diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.4')
115 files changed, 9402 insertions, 3789 deletions
diff --git a/target/linux/mediatek/patches-4.4/0001-NET-multi-phy-support.patch b/target/linux/mediatek/patches-4.4/0001-NET-multi-phy-support.patch index 32b574992f..4b75613979 100644 --- a/target/linux/mediatek/patches-4.4/0001-NET-multi-phy-support.patch +++ b/target/linux/mediatek/patches-4.4/0001-NET-multi-phy-support.patch @@ -1,7 +1,7 @@ -From c30a296646a42302065ba452abe95b0b4b550883 Mon Sep 17 00:00:00 2001 +From 1e021917e634b173d466bf0dd3d2ae84e51a77ff Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Sun, 27 Jul 2014 09:38:50 +0100 -Subject: [PATCH 01/91] NET: multi phy support +Subject: [PATCH 001/102] NET: multi phy support Signed-off-by: John Crispin <blogic@openwrt.org> --- @@ -9,11 +9,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> include/linux/phy.h | 1 + 2 files changed, 7 insertions(+), 3 deletions(-) -diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c -index 47cd306..f69d12f 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c -@@ -844,7 +844,8 @@ void phy_state_machine(struct work_struct *work) +@@ -888,7 +888,8 @@ void phy_state_machine(struct work_struc /* If the link is down, give up on negotiation for now */ if (!phydev->link) { phydev->state = PHY_NOLINK; @@ -23,7 +21,7 @@ index 47cd306..f69d12f 100644 phydev->adjust_link(phydev->attached_dev); break; } -@@ -927,7 +928,8 @@ void phy_state_machine(struct work_struct *work) +@@ -971,7 +972,8 @@ void phy_state_machine(struct work_struc netif_carrier_on(phydev->attached_dev); } else { phydev->state = PHY_NOLINK; @@ -33,7 +31,7 @@ index 47cd306..f69d12f 100644 } phydev->adjust_link(phydev->attached_dev); -@@ -939,7 +941,8 @@ void phy_state_machine(struct work_struct *work) +@@ -983,7 +985,8 @@ void phy_state_machine(struct work_struc case PHY_HALTED: if (phydev->link) { phydev->link = 0; @@ -43,8 +41,6 @@ index 47cd306..f69d12f 100644 phydev->adjust_link(phydev->attached_dev); do_suspend = true; } -diff --git a/include/linux/phy.h b/include/linux/phy.h -index 05fde31..276ab8a 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -377,6 +377,7 @@ struct phy_device { @@ -55,6 +51,3 @@ index 05fde31..276ab8a 100644 enum phy_state state; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0002-soc-mediatek-Separate-scpsys-driver-common-code.patch b/target/linux/mediatek/patches-4.4/0002-soc-mediatek-Separate-scpsys-driver-common-code.patch index 389a09ea8c..194e66970e 100644 --- a/target/linux/mediatek/patches-4.4/0002-soc-mediatek-Separate-scpsys-driver-common-code.patch +++ b/target/linux/mediatek/patches-4.4/0002-soc-mediatek-Separate-scpsys-driver-common-code.patch @@ -1,7 +1,7 @@ -From 2c93328ed05061a50e3bd4111379dbcf6946d3ac Mon Sep 17 00:00:00 2001 +From 1892fcf687116720d07135c83d489a23ec56a166 Mon Sep 17 00:00:00 2001 From: James Liao <jamesjj.liao@mediatek.com> Date: Wed, 30 Dec 2015 14:41:43 +0800 -Subject: [PATCH 02/91] soc: mediatek: Separate scpsys driver common code +Subject: [PATCH 002/102] soc: mediatek: Separate scpsys driver common code Separate scpsys driver common code to mtk-scpsys.c, and move MT8173 platform code to mtk-scpsys-mt8173.c. @@ -17,8 +17,6 @@ Signed-off-by: James Liao <jamesjj.liao@mediatek.com> create mode 100644 drivers/soc/mediatek/mtk-scpsys-mt8173.c create mode 100644 drivers/soc/mediatek/mtk-scpsys.h -diff --git a/drivers/soc/mediatek/Kconfig b/drivers/soc/mediatek/Kconfig -index 0a4ea80..eca6fb7 100644 --- a/drivers/soc/mediatek/Kconfig +++ b/drivers/soc/mediatek/Kconfig @@ -22,11 +22,20 @@ config MTK_PMIC_WRAP @@ -44,8 +42,6 @@ index 0a4ea80..eca6fb7 100644 + driver. + The System Control Processor System (SCPSYS) has several power + management related tasks in the system. -diff --git a/drivers/soc/mediatek/Makefile b/drivers/soc/mediatek/Makefile -index 12998b0..3b22baa 100644 --- a/drivers/soc/mediatek/Makefile +++ b/drivers/soc/mediatek/Makefile @@ -1,3 +1,4 @@ @@ -53,9 +49,6 @@ index 12998b0..3b22baa 100644 obj-$(CONFIG_MTK_PMIC_WRAP) += mtk-pmic-wrap.o obj-$(CONFIG_MTK_SCPSYS) += mtk-scpsys.o +obj-$(CONFIG_MTK_SCPSYS_MT8173) += mtk-scpsys-mt8173.o -diff --git a/drivers/soc/mediatek/mtk-scpsys-mt8173.c b/drivers/soc/mediatek/mtk-scpsys-mt8173.c -new file mode 100644 -index 0000000..3c7b569 --- /dev/null +++ b/drivers/soc/mediatek/mtk-scpsys-mt8173.c @@ -0,0 +1,179 @@ @@ -238,8 +231,6 @@ index 0000000..3c7b569 +}; + +module_platform_driver_probe(scpsys_drv, scpsys_probe); -diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c -index 4d4203c..a0943c5 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -11,28 +11,14 @@ @@ -257,7 +248,7 @@ index 4d4203c..a0943c5 100644 -#include <linux/regmap.h> #include <linux/soc/mediatek/infracfg.h> -#include <dt-bindings/power/mt8173-power.h> -- + -#define SPM_VDE_PWR_CON 0x0210 -#define SPM_MFG_PWR_CON 0x0214 -#define SPM_VEN_PWR_CON 0x0230 @@ -268,7 +259,6 @@ index 4d4203c..a0943c5 100644 -#define SPM_MFG_2D_PWR_CON 0x02c0 -#define SPM_MFG_ASYNC_PWR_CON 0x02c4 -#define SPM_USB_PWR_CON 0x02cc -+ +#include "mtk-scpsys.h" + #define SPM_PWR_STATUS 0x060c @@ -428,7 +418,7 @@ index 4d4203c..a0943c5 100644 static int scpsys_domain_is_on(struct scp_domain *scpd) { struct scp *scp = scpd->scp; -@@ -398,63 +237,89 @@ static bool scpsys_active_wakeup(struct device *dev) +@@ -398,63 +237,89 @@ static bool scpsys_active_wakeup(struct return scpd->active_wakeup; } @@ -518,13 +508,13 @@ index 4d4203c..a0943c5 100644 + return ERR_PTR(-ENOMEM); + + pd_data = &scp->pd_data; -+ + +- for (i = 0; i < NUM_DOMAINS; i++) { + pd_data->domains = devm_kzalloc(&pdev->dev, + sizeof(*pd_data->domains) * num, GFP_KERNEL); + if (!pd_data->domains) + return ERR_PTR(-ENOMEM); - -- for (i = 0; i < NUM_DOMAINS; i++) { ++ + pd_data->num_domains = num; + + init_clks(pdev, clk); @@ -549,7 +539,7 @@ index 4d4203c..a0943c5 100644 pd_data->domains[i] = genpd; scpd->scp = scp; -@@ -464,13 +329,25 @@ static int __init scpsys_probe(struct platform_device *pdev) +@@ -464,13 +329,25 @@ static int __init scpsys_probe(struct pl scpd->sram_pdn_ack_bits = data->sram_pdn_ack_bits; scpd->bus_prot_mask = data->bus_prot_mask; scpd->active_wakeup = data->active_wakeup; @@ -577,7 +567,7 @@ index 4d4203c..a0943c5 100644 /* * Initially turn on all domains to make the domains usable -@@ -489,37 +366,9 @@ static int __init scpsys_probe(struct platform_device *pdev) +@@ -489,37 +366,9 @@ static int __init scpsys_probe(struct pl * valid. */ @@ -616,9 +606,6 @@ index 4d4203c..a0943c5 100644 -}; - -module_platform_driver_probe(scpsys_drv, scpsys_probe); -diff --git a/drivers/soc/mediatek/mtk-scpsys.h b/drivers/soc/mediatek/mtk-scpsys.h -new file mode 100644 -index 0000000..466728d --- /dev/null +++ b/drivers/soc/mediatek/mtk-scpsys.h @@ -0,0 +1,54 @@ @@ -676,6 +663,3 @@ index 0000000..466728d + struct scp *scp, int num); + +#endif /* __DRV_SOC_MTK_H */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0003-soc-mediatek-Init-MT8173-scpsys-driver-earlier.patch b/target/linux/mediatek/patches-4.4/0003-soc-mediatek-Init-MT8173-scpsys-driver-earlier.patch index c1eabc1716..46af96450b 100644 --- a/target/linux/mediatek/patches-4.4/0003-soc-mediatek-Init-MT8173-scpsys-driver-earlier.patch +++ b/target/linux/mediatek/patches-4.4/0003-soc-mediatek-Init-MT8173-scpsys-driver-earlier.patch @@ -1,7 +1,7 @@ -From c359272f86805259c5801385d60fdeea9d629cf9 Mon Sep 17 00:00:00 2001 +From 6f87948c3a58f02f6a64eadda719317016739d5e Mon Sep 17 00:00:00 2001 From: James Liao <jamesjj.liao@mediatek.com> Date: Wed, 30 Dec 2015 14:41:44 +0800 -Subject: [PATCH 03/91] soc: mediatek: Init MT8173 scpsys driver earlier +Subject: [PATCH 003/102] soc: mediatek: Init MT8173 scpsys driver earlier Some power domain comsumers may init before module_init. So the power domain provider (scpsys) need to be initialized @@ -12,11 +12,9 @@ Signed-off-by: James Liao <jamesjj.liao@mediatek.com> drivers/soc/mediatek/mtk-scpsys-mt8173.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) -diff --git a/drivers/soc/mediatek/mtk-scpsys-mt8173.c b/drivers/soc/mediatek/mtk-scpsys-mt8173.c -index 3c7b569..827e696 100644 --- a/drivers/soc/mediatek/mtk-scpsys-mt8173.c +++ b/drivers/soc/mediatek/mtk-scpsys-mt8173.c -@@ -176,4 +176,15 @@ static struct platform_driver scpsys_drv = { +@@ -176,4 +176,15 @@ static struct platform_driver scpsys_drv }, }; @@ -33,6 +31,3 @@ index 3c7b569..827e696 100644 + +subsys_initcall(scpsys_drv_init); +module_exit(scpsys_drv_exit); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0004-soc-mediatek-Add-MT2701-power-dt-bindings.patch b/target/linux/mediatek/patches-4.4/0004-soc-mediatek-Add-MT2701-power-dt-bindings.patch index 42980394fa..132d6c89c8 100644 --- a/target/linux/mediatek/patches-4.4/0004-soc-mediatek-Add-MT2701-power-dt-bindings.patch +++ b/target/linux/mediatek/patches-4.4/0004-soc-mediatek-Add-MT2701-power-dt-bindings.patch @@ -1,7 +1,7 @@ -From f371844374fff273f817d6c43f679606417af59e Mon Sep 17 00:00:00 2001 +From 7c5b29de78f1b15c5bde40a6ca4510fc09588457 Mon Sep 17 00:00:00 2001 From: Shunli Wang <shunli.wang@mediatek.com> Date: Wed, 30 Dec 2015 14:41:45 +0800 -Subject: [PATCH 04/91] soc: mediatek: Add MT2701 power dt-bindings +Subject: [PATCH 004/102] soc: mediatek: Add MT2701 power dt-bindings Add power dt-bindings for MT2701. @@ -12,9 +12,6 @@ Signed-off-by: James Liao <jamesjj.liao@mediatek.com> 1 file changed, 27 insertions(+) create mode 100644 include/dt-bindings/power/mt2701-power.h -diff --git a/include/dt-bindings/power/mt2701-power.h b/include/dt-bindings/power/mt2701-power.h -new file mode 100644 -index 0000000..64cc826 --- /dev/null +++ b/include/dt-bindings/power/mt2701-power.h @@ -0,0 +1,27 @@ @@ -45,6 +42,3 @@ index 0000000..64cc826 +#define MT2701_POWER_DOMAIN_IFR_MSC 8 + +#endif /* _DT_BINDINGS_POWER_MT2701_POWER_H */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0005-soc-mediatek-Add-MT2701-MT7623-scpsys-driver.patch b/target/linux/mediatek/patches-4.4/0005-soc-mediatek-Add-MT2701-MT7623-scpsys-driver.patch index 158d6d0b2b..2f2337a8e3 100644 --- a/target/linux/mediatek/patches-4.4/0005-soc-mediatek-Add-MT2701-MT7623-scpsys-driver.patch +++ b/target/linux/mediatek/patches-4.4/0005-soc-mediatek-Add-MT2701-MT7623-scpsys-driver.patch @@ -1,7 +1,7 @@ -From c6711565985f359d7d3c05f01f081e4c216902de Mon Sep 17 00:00:00 2001 +From 8aa49d107d8a22fd6cbf37174614baf32d0976e2 Mon Sep 17 00:00:00 2001 From: Shunli Wang <shunli.wang@mediatek.com> Date: Wed, 30 Dec 2015 14:41:46 +0800 -Subject: [PATCH 05/91] soc: mediatek: Add MT2701/MT7623 scpsys driver +Subject: [PATCH 005/102] soc: mediatek: Add MT2701/MT7623 scpsys driver Add scpsys driver for MT2701 and MT7623. @@ -14,8 +14,6 @@ Signed-off-by: James Liao <jamesjj.liao@mediatek.com> 3 files changed, 173 insertions(+) create mode 100644 drivers/soc/mediatek/mtk-scpsys-mt2701.c -diff --git a/drivers/soc/mediatek/Kconfig b/drivers/soc/mediatek/Kconfig -index eca6fb7..92cf838 100644 --- a/drivers/soc/mediatek/Kconfig +++ b/drivers/soc/mediatek/Kconfig @@ -39,3 +39,14 @@ config MTK_SCPSYS_MT8173 @@ -33,18 +31,13 @@ index eca6fb7..92cf838 100644 + domain driver. + The System Control Processor System (SCPSYS) has several power + management related tasks in the system. -diff --git a/drivers/soc/mediatek/Makefile b/drivers/soc/mediatek/Makefile -index 3b22baa..822986d 100644 --- a/drivers/soc/mediatek/Makefile +++ b/drivers/soc/mediatek/Makefile -@@ -2,3 +2,4 @@ obj-$(CONFIG_MTK_INFRACFG) += mtk-infracfg.o +@@ -2,3 +2,4 @@ obj-$(CONFIG_MTK_INFRACFG) += mtk-infrac obj-$(CONFIG_MTK_PMIC_WRAP) += mtk-pmic-wrap.o obj-$(CONFIG_MTK_SCPSYS) += mtk-scpsys.o obj-$(CONFIG_MTK_SCPSYS_MT8173) += mtk-scpsys-mt8173.o +obj-$(CONFIG_MTK_SCPSYS_MT2701) += mtk-scpsys-mt2701.o -diff --git a/drivers/soc/mediatek/mtk-scpsys-mt2701.c b/drivers/soc/mediatek/mtk-scpsys-mt2701.c -new file mode 100644 -index 0000000..339d5b8 --- /dev/null +++ b/drivers/soc/mediatek/mtk-scpsys-mt2701.c @@ -0,0 +1,161 @@ @@ -209,6 +202,3 @@ index 0000000..339d5b8 + +MODULE_DESCRIPTION("MediaTek MT2701 scpsys driver"); +MODULE_LICENSE("GPL v2"); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0006-clk-mediatek-Refine-the-makefile-to-support-multiple.patch b/target/linux/mediatek/patches-4.4/0006-clk-mediatek-Refine-the-makefile-to-support-multiple.patch index 62b825555d..d4bac233b9 100644 --- a/target/linux/mediatek/patches-4.4/0006-clk-mediatek-Refine-the-makefile-to-support-multiple.patch +++ b/target/linux/mediatek/patches-4.4/0006-clk-mediatek-Refine-the-makefile-to-support-multiple.patch @@ -1,8 +1,8 @@ -From 0c39bcd17fa6ce723f56ad3756b4bb36c4690342 Mon Sep 17 00:00:00 2001 +From 69d4e250847f82a5896c41bcb5f1e793c5a8fbac Mon Sep 17 00:00:00 2001 From: James Liao <jamesjj.liao@mediatek.com> Date: Tue, 5 Jan 2016 14:30:17 +0800 -Subject: [PATCH 06/91] clk: mediatek: Refine the makefile to support multiple - clock drivers +Subject: [PATCH 006/102] clk: mediatek: Refine the makefile to support + multiple clock drivers Add a Kconfig to define clock configuration for each SoC, and modify the Makefile to build drivers that only selected in config. @@ -16,8 +16,6 @@ Signed-off-by: James Liao <jamesjj.liao@mediatek.com> 3 files changed, 27 insertions(+), 3 deletions(-) create mode 100644 drivers/clk/mediatek/Kconfig -diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig -index c3e3a02..b7a37dc 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -198,3 +198,4 @@ source "drivers/clk/mvebu/Kconfig" @@ -25,9 +23,6 @@ index c3e3a02..b7a37dc 100644 source "drivers/clk/samsung/Kconfig" source "drivers/clk/tegra/Kconfig" +source "drivers/clk/mediatek/Kconfig" -diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig -new file mode 100644 -index 0000000..dc224e6 --- /dev/null +++ b/drivers/clk/mediatek/Kconfig @@ -0,0 +1,23 @@ @@ -54,8 +49,6 @@ index 0000000..dc224e6 + default ARCH_MEDIATEK + ---help--- + This driver supports Mediatek MT8173 clocks. -diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile -index 95fdfac..32e7222 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -1,4 +1,4 @@ @@ -66,6 +59,3 @@ index 95fdfac..32e7222 100644 -obj-y += clk-mt8173.o +obj-$(CONFIG_COMMON_CLK_MT8135) += clk-mt8135.o +obj-$(CONFIG_COMMON_CLK_MT8173) += clk-mt8173.o --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0007-dt-bindings-ARM-Mediatek-Document-bindings-for-MT270.patch b/target/linux/mediatek/patches-4.4/0007-dt-bindings-ARM-Mediatek-Document-bindings-for-MT270.patch index 5c24ef8a0e..fd21c0b788 100644 --- a/target/linux/mediatek/patches-4.4/0007-dt-bindings-ARM-Mediatek-Document-bindings-for-MT270.patch +++ b/target/linux/mediatek/patches-4.4/0007-dt-bindings-ARM-Mediatek-Document-bindings-for-MT270.patch @@ -1,7 +1,7 @@ -From d7e96f87f66c571e9f4171ecd89c656fbd2de89b Mon Sep 17 00:00:00 2001 +From 7c98b20fa68a2a64bca69822eb7be4fa9b668fab Mon Sep 17 00:00:00 2001 From: James Liao <jamesjj.liao@mediatek.com> Date: Tue, 5 Jan 2016 14:30:18 +0800 -Subject: [PATCH 07/91] dt-bindings: ARM: Mediatek: Document bindings for +Subject: [PATCH 007/102] dt-bindings: ARM: Mediatek: Document bindings for MT2701 This patch adds the binding documentation for apmixedsys, bdpsys, @@ -25,11 +25,9 @@ Signed-off-by: James Liao <jamesjj.liao@mediatek.com> create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,ethsys.txt create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,hifsys.txt -diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,apmixedsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,apmixedsys.txt -index 936166f..a701e19 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,apmixedsys.txt +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,apmixedsys.txt -@@ -6,6 +6,7 @@ The Mediatek apmixedsys controller provides the PLLs to the system. +@@ -6,6 +6,7 @@ The Mediatek apmixedsys controller provi Required Properties: - compatible: Should be: @@ -37,9 +35,6 @@ index 936166f..a701e19 100644 - "mediatek,mt8135-apmixedsys" - "mediatek,mt8173-apmixedsys" - #clock-cells: Must be 1 -diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,bdpsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,bdpsys.txt -new file mode 100644 -index 0000000..4137196 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,bdpsys.txt @@ -0,0 +1,22 @@ @@ -65,9 +60,6 @@ index 0000000..4137196 + reg = <0 0x1c000000 0 0x1000>; + #clock-cells = <1>; +}; -diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,ethsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,ethsys.txt -new file mode 100644 -index 0000000..768f3a5 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,ethsys.txt @@ -0,0 +1,22 @@ @@ -93,9 +85,6 @@ index 0000000..768f3a5 + reg = <0 0x1b000000 0 0x1000>; + #clock-cells = <1>; +}; -diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,hifsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,hifsys.txt -new file mode 100644 -index 0000000..b7a39b6 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,hifsys.txt @@ -0,0 +1,22 @@ @@ -121,11 +110,9 @@ index 0000000..b7a39b6 + reg = <0 0x1a000000 0 0x1000>; + #clock-cells = <1>; +}; -diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,imgsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,imgsys.txt -index b1f2ce1..9bda7f7 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,imgsys.txt +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,imgsys.txt -@@ -6,6 +6,7 @@ The Mediatek imgsys controller provides various clocks to the system. +@@ -6,6 +6,7 @@ The Mediatek imgsys controller provides Required Properties: - compatible: Should be: @@ -133,8 +120,6 @@ index b1f2ce1..9bda7f7 100644 - "mediatek,mt8173-imgsys", "syscon" - #clock-cells: Must be 1 -diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.txt -index f6cd3e4..2f11a69 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.txt +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.txt @@ -7,6 +7,7 @@ outputs to the system. @@ -145,11 +130,9 @@ index f6cd3e4..2f11a69 100644 - "mediatek,mt8135-infracfg", "syscon" - "mediatek,mt8173-infracfg", "syscon" - #clock-cells: Must be 1 -diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt -index 4385946..c9d9d43 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.txt -@@ -6,6 +6,7 @@ The Mediatek mmsys controller provides various clocks to the system. +@@ -6,6 +6,7 @@ The Mediatek mmsys controller provides v Required Properties: - compatible: Should be: @@ -157,8 +140,6 @@ index 4385946..c9d9d43 100644 - "mediatek,mt8173-mmsys", "syscon" - #clock-cells: Must be 1 -diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt -index f25b854..d3454cd 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,pericfg.txt @@ -7,6 +7,7 @@ outputs to the system. @@ -169,11 +150,9 @@ index f25b854..d3454cd 100644 - "mediatek,mt8135-pericfg", "syscon" - "mediatek,mt8173-pericfg", "syscon" - #clock-cells: Must be 1 -diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,topckgen.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,topckgen.txt -index f9e9179..602e5bc 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,topckgen.txt +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,topckgen.txt -@@ -6,6 +6,7 @@ The Mediatek topckgen controller provides various clocks to the system. +@@ -6,6 +6,7 @@ The Mediatek topckgen controller provide Required Properties: - compatible: Should be: @@ -181,11 +160,9 @@ index f9e9179..602e5bc 100644 - "mediatek,mt8135-topckgen" - "mediatek,mt8173-topckgen" - #clock-cells: Must be 1 -diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,vdecsys.txt b/Documentation/devicetree/bindings/arm/mediatek/mediatek,vdecsys.txt -index 1faacf1..f5b1e7d 100644 --- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,vdecsys.txt +++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,vdecsys.txt -@@ -6,6 +6,7 @@ The Mediatek vdecsys controller provides various clocks to the system. +@@ -6,6 +6,7 @@ The Mediatek vdecsys controller provides Required Properties: - compatible: Should be: @@ -193,6 +170,3 @@ index 1faacf1..f5b1e7d 100644 - "mediatek,mt8173-vdecsys", "syscon" - #clock-cells: Must be 1 --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0008-clk-mediatek-Add-dt-bindings-for-MT2701-clocks.patch b/target/linux/mediatek/patches-4.4/0008-clk-mediatek-Add-dt-bindings-for-MT2701-clocks.patch index 057eb44fa7..422a5bec3a 100644 --- a/target/linux/mediatek/patches-4.4/0008-clk-mediatek-Add-dt-bindings-for-MT2701-clocks.patch +++ b/target/linux/mediatek/patches-4.4/0008-clk-mediatek-Add-dt-bindings-for-MT2701-clocks.patch @@ -1,7 +1,7 @@ -From 2fcbc15da2f13164e0851b9c7fae290249f0b44d Mon Sep 17 00:00:00 2001 +From 190696e3995be38fa01490e4ab88ea2c859829c9 Mon Sep 17 00:00:00 2001 From: Shunli Wang <shunli.wang@mediatek.com> Date: Tue, 5 Jan 2016 14:30:19 +0800 -Subject: [PATCH 08/91] clk: mediatek: Add dt-bindings for MT2701 clocks +Subject: [PATCH 008/102] clk: mediatek: Add dt-bindings for MT2701 clocks Add MT2701 clock dt-bindings, include topckgen, apmixedsys, infracfg, pericfg and subsystem clocks. @@ -13,9 +13,6 @@ Signed-off-by: James Liao <jamesjj.liao@mediatek.com> 1 file changed, 481 insertions(+) create mode 100644 include/dt-bindings/clock/mt2701-clk.h -diff --git a/include/dt-bindings/clock/mt2701-clk.h b/include/dt-bindings/clock/mt2701-clk.h -new file mode 100644 -index 0000000..50972d1 --- /dev/null +++ b/include/dt-bindings/clock/mt2701-clk.h @@ -0,0 +1,481 @@ @@ -500,6 +497,3 @@ index 0000000..50972d1 +#define CLK_BDP_NR 50 + +#endif /* _DT_BINDINGS_CLK_MT2701_H */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0009-clk-mediatek-Add-MT2701-clock-support.patch b/target/linux/mediatek/patches-4.4/0009-clk-mediatek-Add-MT2701-clock-support.patch index b29285e864..6f8f68a300 100644 --- a/target/linux/mediatek/patches-4.4/0009-clk-mediatek-Add-MT2701-clock-support.patch +++ b/target/linux/mediatek/patches-4.4/0009-clk-mediatek-Add-MT2701-clock-support.patch @@ -1,7 +1,7 @@ -From f2c07eaa2df52f9acac9ffc3457d3d81079dd723 Mon Sep 17 00:00:00 2001 +From a4c507d052390b42d7e8c59241e3c336796f730f Mon Sep 17 00:00:00 2001 From: Shunli Wang <shunli.wang@mediatek.com> Date: Tue, 5 Jan 2016 14:30:20 +0800 -Subject: [PATCH 09/91] clk: mediatek: Add MT2701 clock support +Subject: [PATCH 009/102] clk: mediatek: Add MT2701 clock support Add MT2701 clock support, include topckgen, apmixedsys, infracfg, pericfg and subsystem clocks. @@ -19,8 +19,6 @@ Signed-off-by: James Liao <jamesjj.liao@mediatek.com> 7 files changed, 1334 insertions(+), 3 deletions(-) create mode 100644 drivers/clk/mediatek/clk-mt2701.c -diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig -index dc224e6..6c7cdc0 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -6,6 +6,14 @@ config COMMON_CLK_MEDIATEK @@ -38,8 +36,6 @@ index dc224e6..6c7cdc0 100644 config COMMON_CLK_MT8135 bool "Clock driver for Mediatek MT8135" depends on COMMON_CLK -diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile -index 32e7222..5b2b91b 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -1,4 +1,5 @@ @@ -48,11 +44,9 @@ index 32e7222..5b2b91b 100644 +obj-$(CONFIG_COMMON_CLK_MT2701) += clk-mt2701.o obj-$(CONFIG_COMMON_CLK_MT8135) += clk-mt8135.o obj-$(CONFIG_COMMON_CLK_MT8173) += clk-mt8173.o -diff --git a/drivers/clk/mediatek/clk-gate.c b/drivers/clk/mediatek/clk-gate.c -index 576bdb7..38badb4 100644 --- a/drivers/clk/mediatek/clk-gate.c +++ b/drivers/clk/mediatek/clk-gate.c -@@ -61,6 +61,26 @@ static void mtk_cg_clr_bit(struct clk_hw *hw) +@@ -61,6 +61,26 @@ static void mtk_cg_clr_bit(struct clk_hw regmap_write(cg->regmap, cg->clr_ofs, BIT(cg->bit)); } @@ -79,7 +73,7 @@ index 576bdb7..38badb4 100644 static int mtk_cg_enable(struct clk_hw *hw) { mtk_cg_clr_bit(hw); -@@ -85,6 +105,30 @@ static void mtk_cg_disable_inv(struct clk_hw *hw) +@@ -85,6 +105,30 @@ static void mtk_cg_disable_inv(struct cl mtk_cg_clr_bit(hw); } @@ -110,7 +104,7 @@ index 576bdb7..38badb4 100644 const struct clk_ops mtk_clk_gate_ops_setclr = { .is_enabled = mtk_cg_bit_is_cleared, .enable = mtk_cg_enable, -@@ -97,6 +141,18 @@ const struct clk_ops mtk_clk_gate_ops_setclr_inv = { +@@ -97,6 +141,18 @@ const struct clk_ops mtk_clk_gate_ops_se .disable = mtk_cg_disable_inv, }; @@ -129,11 +123,9 @@ index 576bdb7..38badb4 100644 struct clk * __init mtk_clk_register_gate( const char *name, const char *parent_name, -diff --git a/drivers/clk/mediatek/clk-gate.h b/drivers/clk/mediatek/clk-gate.h -index 11e25c9..7f7ef34 100644 --- a/drivers/clk/mediatek/clk-gate.h +++ b/drivers/clk/mediatek/clk-gate.h -@@ -36,6 +36,8 @@ static inline struct mtk_clk_gate *to_clk_gate(struct clk_hw *hw) +@@ -36,6 +36,8 @@ static inline struct mtk_clk_gate *to_cl extern const struct clk_ops mtk_clk_gate_ops_setclr; extern const struct clk_ops mtk_clk_gate_ops_setclr_inv; @@ -142,9 +134,6 @@ index 11e25c9..7f7ef34 100644 struct clk *mtk_clk_register_gate( const char *name, -diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c -new file mode 100644 -index 0000000..2f521f4 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt2701.c @@ -0,0 +1,1210 @@ @@ -1358,11 +1347,9 @@ index 0000000..2f521f4 +} +CLK_OF_DECLARE(mtk_apmixedsys, "mediatek,mt2701-apmixedsys", + mtk_apmixedsys_init); -diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c -index cf08db6..be19a41 100644 --- a/drivers/clk/mediatek/clk-mtk.c +++ b/drivers/clk/mediatek/clk-mtk.c -@@ -242,3 +242,28 @@ void __init mtk_clk_register_composites(const struct mtk_composite *mcs, +@@ -242,3 +242,28 @@ void __init mtk_clk_register_composites( clk_data->clks[mc->id] = clk; } } @@ -1391,8 +1378,6 @@ index cf08db6..be19a41 100644 + clk_data->clks[mcd->id] = clk; + } +} -diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h -index 32d2e45..60701e8 100644 --- a/drivers/clk/mediatek/clk-mtk.h +++ b/drivers/clk/mediatek/clk-mtk.h @@ -110,7 +110,8 @@ struct mtk_composite { @@ -1444,6 +1429,3 @@ index 32d2e45..60701e8 100644 struct clk_onecell_data *mtk_alloc_clk_data(unsigned int clk_num); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0010-reset-mediatek-mt2701-reset-controller-dt-binding-fi.patch b/target/linux/mediatek/patches-4.4/0010-reset-mediatek-mt2701-reset-controller-dt-binding-fi.patch index 8f5db79c76..b5b10e7b0b 100644 --- a/target/linux/mediatek/patches-4.4/0010-reset-mediatek-mt2701-reset-controller-dt-binding-fi.patch +++ b/target/linux/mediatek/patches-4.4/0010-reset-mediatek-mt2701-reset-controller-dt-binding-fi.patch @@ -1,7 +1,7 @@ -From 8d134cbe750b59d15c591622d81e2e9daa09f0c4 Mon Sep 17 00:00:00 2001 +From 8bf0f2a1e8ff082de3f650211abd985ef68abe1b Mon Sep 17 00:00:00 2001 From: Shunli Wang <shunli.wang@mediatek.com> Date: Tue, 5 Jan 2016 14:30:21 +0800 -Subject: [PATCH 10/91] reset: mediatek: mt2701 reset controller dt-binding +Subject: [PATCH 010/102] reset: mediatek: mt2701 reset controller dt-binding file Dt-binding file about reset controller is used to provide @@ -14,9 +14,6 @@ Signed-off-by: Shunli Wang <shunli.wang@mediatek.com> 1 file changed, 74 insertions(+) create mode 100644 include/dt-bindings/reset-controller/mt2701-resets.h -diff --git a/include/dt-bindings/reset-controller/mt2701-resets.h b/include/dt-bindings/reset-controller/mt2701-resets.h -new file mode 100644 -index 0000000..00efeb0 --- /dev/null +++ b/include/dt-bindings/reset-controller/mt2701-resets.h @@ -0,0 +1,74 @@ @@ -94,6 +91,3 @@ index 0000000..00efeb0 +#define MT2701_TOPRGU_BDP_DISP_RST 13 + +#endif /* _DT_BINDINGS_RESET_CONTROLLER_MT2701 */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0011-reset-mediatek-mt2701-reset-driver.patch b/target/linux/mediatek/patches-4.4/0011-reset-mediatek-mt2701-reset-driver.patch index bbb123e575..18d4fbf252 100644 --- a/target/linux/mediatek/patches-4.4/0011-reset-mediatek-mt2701-reset-driver.patch +++ b/target/linux/mediatek/patches-4.4/0011-reset-mediatek-mt2701-reset-driver.patch @@ -1,7 +1,7 @@ -From b86d3303db25a8296e4c3de46ee1470f60f71b0c Mon Sep 17 00:00:00 2001 +From 3ba0020ea70ffb5503eff1823be7fa5ceda38286 Mon Sep 17 00:00:00 2001 From: Shunli Wang <shunli.wang@mediatek.com> Date: Tue, 5 Jan 2016 14:30:22 +0800 -Subject: [PATCH 11/91] reset: mediatek: mt2701 reset driver +Subject: [PATCH 011/102] reset: mediatek: mt2701 reset driver In infrasys and perifsys, there are many reset control bits for kinds of modules. These bits are @@ -14,11 +14,9 @@ Acked-by: Philipp Zabel <p.zabel@pengutronix.de> drivers/clk/mediatek/clk-mt2701.c | 4 ++++ 1 file changed, 4 insertions(+) -diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c -index 2f521f4..39472e4 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c -@@ -665,6 +665,8 @@ static void __init mtk_infrasys_init(struct device_node *node) +@@ -665,6 +665,8 @@ static void __init mtk_infrasys_init(str if (r) pr_err("%s(): could not register clock provider: %d\n", __func__, r); @@ -27,7 +25,7 @@ index 2f521f4..39472e4 100644 } CLK_OF_DECLARE(mtk_infrasys, "mediatek,mt2701-infracfg", mtk_infrasys_init); -@@ -782,6 +784,8 @@ static void __init mtk_pericfg_init(struct device_node *node) +@@ -782,6 +784,8 @@ static void __init mtk_pericfg_init(stru if (r) pr_err("%s(): could not register clock provider: %d\n", __func__, r); @@ -36,6 +34,3 @@ index 2f521f4..39472e4 100644 } CLK_OF_DECLARE(mtk_pericfg, "mediatek,mt2701-pericfg", mtk_pericfg_init); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0012-ARM-mediatek-Add-MT2701-config-options-for-mediatek-.patch b/target/linux/mediatek/patches-4.4/0012-ARM-mediatek-Add-MT2701-config-options-for-mediatek-.patch index 0e532ffcbf..479334a92d 100644 --- a/target/linux/mediatek/patches-4.4/0012-ARM-mediatek-Add-MT2701-config-options-for-mediatek-.patch +++ b/target/linux/mediatek/patches-4.4/0012-ARM-mediatek-Add-MT2701-config-options-for-mediatek-.patch @@ -1,8 +1,8 @@ -From 3b5df542d52b13a1b20d25311fa4c4029a3b83af Mon Sep 17 00:00:00 2001 +From 32fa899c6ab79953e4f470fb23c38bcc40edc5c8 Mon Sep 17 00:00:00 2001 From: Erin Lo <erin.lo@mediatek.com> Date: Mon, 28 Dec 2015 15:09:02 +0800 -Subject: [PATCH 12/91] ARM: mediatek: Add MT2701 config options for mediatek - SoCs. +Subject: [PATCH 012/102] ARM: mediatek: Add MT2701 config options for + mediatek SoCs. The upcoming MTK pinctrl driver have a big pin table for each SoC and we don't want to bloat the kernel binary if we don't need it. @@ -14,8 +14,6 @@ Acked-by: Linus Walleij <linus.walleij@linaro.org> arch/arm/mach-mediatek/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) -diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig -index aeece17..37dd438 100644 --- a/arch/arm/mach-mediatek/Kconfig +++ b/arch/arm/mach-mediatek/Kconfig @@ -9,6 +9,10 @@ menuconfig ARCH_MEDIATEK @@ -29,6 +27,3 @@ index aeece17..37dd438 100644 config MACH_MT6589 bool "MediaTek MT6589 SoCs support" default ARCH_MEDIATEK --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0013-dt-bindings-mediatek-Modify-pinctrl-bindings-for-mt2.patch b/target/linux/mediatek/patches-4.4/0013-dt-bindings-mediatek-Modify-pinctrl-bindings-for-mt2.patch index ba3bd08806..af1ad668f5 100644 --- a/target/linux/mediatek/patches-4.4/0013-dt-bindings-mediatek-Modify-pinctrl-bindings-for-mt2.patch +++ b/target/linux/mediatek/patches-4.4/0013-dt-bindings-mediatek-Modify-pinctrl-bindings-for-mt2.patch @@ -1,7 +1,7 @@ -From 1a254735cad9db5c8605c972b0f16b3929dc0d6e Mon Sep 17 00:00:00 2001 +From afcbed6f51e8c3a9195952b27c8aad047c314ed0 Mon Sep 17 00:00:00 2001 From: Biao Huang <biao.huang@mediatek.com> Date: Mon, 28 Dec 2015 15:09:03 +0800 -Subject: [PATCH 13/91] dt-bindings: mediatek: Modify pinctrl bindings for +Subject: [PATCH 013/102] dt-bindings: mediatek: Modify pinctrl bindings for mt2701 Signed-off-by: Biao Huang <biao.huang@mediatek.com> @@ -11,11 +11,9 @@ Reviewed-by: Mathias Brugger <matthias.bgg@gmail.com> Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) -diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt -index 0480bc3..9ffb0b2 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt -@@ -4,10 +4,11 @@ The Mediatek's Pin controller is used to control SoC pins. +@@ -4,10 +4,11 @@ The Mediatek's Pin controller is used to Required properties: - compatible: value should be one of the following. @@ -31,6 +29,3 @@ index 0480bc3..9ffb0b2 100644 - pins-are-numbered: Specify the subnodes are using numbered pinmux to specify pins. - gpio-controller : Marks the device node as a gpio controller. --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0014-pinctrl-dt-bindings-Add-pinfunc-header-file-for-mt27.patch b/target/linux/mediatek/patches-4.4/0014-pinctrl-dt-bindings-Add-pinfunc-header-file-for-mt27.patch index d898f3c06f..0df6d186ba 100644 --- a/target/linux/mediatek/patches-4.4/0014-pinctrl-dt-bindings-Add-pinfunc-header-file-for-mt27.patch +++ b/target/linux/mediatek/patches-4.4/0014-pinctrl-dt-bindings-Add-pinfunc-header-file-for-mt27.patch @@ -1,7 +1,7 @@ -From 416720ba33d4fd7d3166c17be7c13651cc08d408 Mon Sep 17 00:00:00 2001 +From 124894a4d1635915ff95c447767677b60fd27e9c Mon Sep 17 00:00:00 2001 From: Biao Huang <biao.huang@mediatek.com> Date: Mon, 28 Dec 2015 15:09:04 +0800 -Subject: [PATCH 14/91] pinctrl: dt bindings: Add pinfunc header file for +Subject: [PATCH 014/102] pinctrl: dt bindings: Add pinfunc header file for mt2701 Add pinfunc header file, mt2701 related dts will include it @@ -21,9 +21,6 @@ Acked-by: Linus Walleij <linus.walleij@linaro.org> create mode 100644 drivers/pinctrl/mediatek/pinctrl-mt2701.c create mode 100644 drivers/pinctrl/mediatek/pinctrl-mtk-mt2701.h -diff --git a/arch/arm/boot/dts/mt2701-pinfunc.h b/arch/arm/boot/dts/mt2701-pinfunc.h -new file mode 100644 -index 0000000..e24ebc8 --- /dev/null +++ b/arch/arm/boot/dts/mt2701-pinfunc.h @@ -0,0 +1,735 @@ @@ -762,8 +759,6 @@ index 0000000..e24ebc8 +#define MT2701_PIN_278_JTAG_RESET__FUNC_JTAG_RESET (MTK_PIN_NO(278) | 1) + +#endif /* __DTS_MT2701_PINFUNC_H */ -diff --git a/drivers/pinctrl/mediatek/Kconfig b/drivers/pinctrl/mediatek/Kconfig -index 02f6f92..13e9939 100644 --- a/drivers/pinctrl/mediatek/Kconfig +++ b/drivers/pinctrl/mediatek/Kconfig @@ -9,6 +9,12 @@ config PINCTRL_MTK_COMMON @@ -779,8 +774,6 @@ index 02f6f92..13e9939 100644 config PINCTRL_MT8135 bool "Mediatek MT8135 pin control" if COMPILE_TEST && !MACH_MT8135 depends on OF -diff --git a/drivers/pinctrl/mediatek/Makefile b/drivers/pinctrl/mediatek/Makefile -index eb923d6..da30314 100644 --- a/drivers/pinctrl/mediatek/Makefile +++ b/drivers/pinctrl/mediatek/Makefile @@ -2,6 +2,7 @@ @@ -791,9 +784,6 @@ index eb923d6..da30314 100644 obj-$(CONFIG_PINCTRL_MT8135) += pinctrl-mt8135.o obj-$(CONFIG_PINCTRL_MT8127) += pinctrl-mt8127.o obj-$(CONFIG_PINCTRL_MT8173) += pinctrl-mt8173.o -diff --git a/drivers/pinctrl/mediatek/pinctrl-mt2701.c b/drivers/pinctrl/mediatek/pinctrl-mt2701.c -new file mode 100644 -index 0000000..4861b5d --- /dev/null +++ b/drivers/pinctrl/mediatek/pinctrl-mt2701.c @@ -0,0 +1,586 @@ @@ -1383,8 +1373,6 @@ index 0000000..4861b5d +} + +arch_initcall(mtk_pinctrl_init); -diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c -index 5c71727..05ba7a8 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c @@ -47,6 +47,8 @@ @@ -1396,7 +1384,7 @@ index 5c71727..05ba7a8 100644 }; /* -@@ -81,6 +83,9 @@ static int mtk_pmx_gpio_set_direction(struct pinctrl_dev *pctldev, +@@ -81,6 +83,9 @@ static int mtk_pmx_gpio_set_direction(st reg_addr = mtk_get_port(pctl, offset) + pctl->devdata->dir_offset; bit = BIT(offset & 0xf); @@ -1406,7 +1394,7 @@ index 5c71727..05ba7a8 100644 if (input) /* Different SoC has different alignment offset. */ reg_addr = CLR_ADDR(reg_addr, pctl); -@@ -347,6 +352,7 @@ static int mtk_pconf_parse_conf(struct pinctrl_dev *pctldev, +@@ -347,6 +352,7 @@ static int mtk_pconf_parse_conf(struct p ret = mtk_pconf_set_pull_select(pctl, pin, true, false, arg); break; case PIN_CONFIG_INPUT_ENABLE: @@ -1414,7 +1402,7 @@ index 5c71727..05ba7a8 100644 ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param); break; case PIN_CONFIG_OUTPUT: -@@ -354,6 +360,7 @@ static int mtk_pconf_parse_conf(struct pinctrl_dev *pctldev, +@@ -354,6 +360,7 @@ static int mtk_pconf_parse_conf(struct p ret = mtk_pmx_gpio_set_direction(pctldev, NULL, pin, false); break; case PIN_CONFIG_INPUT_SCHMITT_ENABLE: @@ -1422,7 +1410,7 @@ index 5c71727..05ba7a8 100644 ret = mtk_pconf_set_ies_smt(pctl, pin, arg, param); break; case PIN_CONFIG_DRIVE_STRENGTH: -@@ -667,9 +674,14 @@ static int mtk_pmx_set_mode(struct pinctrl_dev *pctldev, +@@ -667,9 +674,14 @@ static int mtk_pmx_set_mode(struct pinct unsigned int mask = (1L << GPIO_MODE_BITS) - 1; struct mtk_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); @@ -1437,7 +1425,7 @@ index 5c71727..05ba7a8 100644 bit = pin % MAX_GPIO_MODE_PER_REG; mask <<= (GPIO_MODE_BITS * bit); val = (mode << (GPIO_MODE_BITS * bit)); -@@ -746,6 +758,10 @@ static int mtk_gpio_get_direction(struct gpio_chip *chip, unsigned offset) +@@ -746,6 +758,10 @@ static int mtk_gpio_get_direction(struct reg_addr = mtk_get_port(pctl, offset) + pctl->devdata->dir_offset; bit = BIT(offset & 0xf); @@ -1448,8 +1436,6 @@ index 5c71727..05ba7a8 100644 regmap_read(pctl->regmap1, reg_addr, &read_val); return !(read_val & bit); } -diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.h b/drivers/pinctrl/mediatek/pinctrl-mtk-common.h -index 55a5343..8543bc4 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.h +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.h @@ -209,7 +209,14 @@ struct mtk_eint_offsets { @@ -1478,9 +1464,6 @@ index 55a5343..8543bc4 100644 unsigned int dir_offset; unsigned int ies_offset; unsigned int smt_offset; -diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-mt2701.h b/drivers/pinctrl/mediatek/pinctrl-mtk-mt2701.h -new file mode 100644 -index 0000000..f906420 --- /dev/null +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-mt2701.h @@ -0,0 +1,2323 @@ @@ -3807,6 +3790,3 @@ index 0000000..f906420 +}; + +#endif /* __PINCTRL_MTK_MT2701_H */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0015-dt-bindings-mediatek-Modify-pinctrl-bindings-for-mt7.patch b/target/linux/mediatek/patches-4.4/0015-dt-bindings-mediatek-Modify-pinctrl-bindings-for-mt7.patch index d1e231eb72..fcd39c487d 100644 --- a/target/linux/mediatek/patches-4.4/0015-dt-bindings-mediatek-Modify-pinctrl-bindings-for-mt7.patch +++ b/target/linux/mediatek/patches-4.4/0015-dt-bindings-mediatek-Modify-pinctrl-bindings-for-mt7.patch @@ -1,7 +1,7 @@ -From ddc72b659b3642d0496dee4e1ee39416ca008053 Mon Sep 17 00:00:00 2001 +From 3800e5c33e5becbb56c6694008d1f3435fd78707 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Thu, 7 Jan 2016 23:42:06 +0100 -Subject: [PATCH 15/91] dt-bindings: mediatek: Modify pinctrl bindings for +Subject: [PATCH 015/102] dt-bindings: mediatek: Modify pinctrl bindings for mt7623 Signed-off-by: John Crispin <blogic@openwrt.org> @@ -11,8 +11,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> 2 files changed, 522 insertions(+) create mode 100644 include/dt-bindings/pinctrl/mt7623-pinfunc.h -diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt -index 9ffb0b2..17631d0 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt @@ -6,6 +6,7 @@ Required properties: @@ -23,9 +21,6 @@ index 9ffb0b2..17631d0 100644 "mediatek,mt8127-pinctrl", compatible with mt8127 pinctrl. "mediatek,mt8135-pinctrl", compatible with mt8135 pinctrl. "mediatek,mt8173-pinctrl", compatible with mt8173 pinctrl. -diff --git a/include/dt-bindings/pinctrl/mt7623-pinfunc.h b/include/dt-bindings/pinctrl/mt7623-pinfunc.h -new file mode 100644 -index 0000000..891b173 --- /dev/null +++ b/include/dt-bindings/pinctrl/mt7623-pinfunc.h @@ -0,0 +1,521 @@ @@ -550,6 +545,3 @@ index 0000000..891b173 + +#endif /* __DTS_MT7623_PINFUNC_H */ + --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0016-pinctrl-dt-bindings-Add-pinctrl-file-for-mt7623.patch b/target/linux/mediatek/patches-4.4/0016-pinctrl-dt-bindings-Add-pinctrl-file-for-mt7623.patch index cf09ae5da0..3428fce39c 100644 --- a/target/linux/mediatek/patches-4.4/0016-pinctrl-dt-bindings-Add-pinctrl-file-for-mt7623.patch +++ b/target/linux/mediatek/patches-4.4/0016-pinctrl-dt-bindings-Add-pinctrl-file-for-mt7623.patch @@ -1,7 +1,7 @@ -From 1255eaacd6cc9d1fa6bb33185380efed22008baf Mon Sep 17 00:00:00 2001 +From 641ccb565a934ffaa30b828f2361e6f57325c70a Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Sat, 27 Jun 2015 13:13:05 +0200 -Subject: [PATCH 16/91] pinctrl: dt bindings: Add pinctrl file for mt7623 +Subject: [PATCH 016/102] pinctrl: dt bindings: Add pinctrl file for mt7623 Add the driver and header files required to make pinctrl work on MediaTek MT7623. @@ -17,8 +17,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> create mode 100644 drivers/pinctrl/mediatek/pinctrl-mt7623.c create mode 100644 drivers/pinctrl/mediatek/pinctrl-mtk-mt7623.h -diff --git a/drivers/pinctrl/mediatek/Kconfig b/drivers/pinctrl/mediatek/Kconfig -index 13e9939..78654a8 100644 --- a/drivers/pinctrl/mediatek/Kconfig +++ b/drivers/pinctrl/mediatek/Kconfig @@ -15,6 +15,12 @@ config PINCTRL_MT2701 @@ -34,11 +32,9 @@ index 13e9939..78654a8 100644 config PINCTRL_MT8135 bool "Mediatek MT8135 pin control" if COMPILE_TEST && !MACH_MT8135 depends on OF -diff --git a/drivers/pinctrl/mediatek/Makefile b/drivers/pinctrl/mediatek/Makefile -index da30314..1be2f3f 100644 --- a/drivers/pinctrl/mediatek/Makefile +++ b/drivers/pinctrl/mediatek/Makefile -@@ -3,6 +3,7 @@ obj-$(CONFIG_PINCTRL_MTK_COMMON) += pinctrl-mtk-common.o +@@ -3,6 +3,7 @@ obj-$(CONFIG_PINCTRL_MTK_COMMON) += pinc # SoC Drivers obj-$(CONFIG_PINCTRL_MT2701) += pinctrl-mt2701.o @@ -46,9 +42,6 @@ index da30314..1be2f3f 100644 obj-$(CONFIG_PINCTRL_MT8135) += pinctrl-mt8135.o obj-$(CONFIG_PINCTRL_MT8127) += pinctrl-mt8127.o obj-$(CONFIG_PINCTRL_MT8173) += pinctrl-mt8173.o -diff --git a/drivers/pinctrl/mediatek/pinctrl-mt7623.c b/drivers/pinctrl/mediatek/pinctrl-mt7623.c -new file mode 100644 -index 0000000..bf0d05b --- /dev/null +++ b/drivers/pinctrl/mediatek/pinctrl-mt7623.c @@ -0,0 +1,380 @@ @@ -432,9 +425,6 @@ index 0000000..bf0d05b +} + +arch_initcall(mtk_pinctrl_init); -diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-mt7623.h b/drivers/pinctrl/mediatek/pinctrl-mtk-mt7623.h -new file mode 100644 -index 0000000..fb63c01 --- /dev/null +++ b/drivers/pinctrl/mediatek/pinctrl-mtk-mt7623.h @@ -0,0 +1,1937 @@ @@ -2375,8 +2365,6 @@ index 0000000..fb63c01 +}; + +#endif /* __PINCTRL_MTK_MT7623_H */ -diff --git a/include/dt-bindings/pinctrl/mt7623-pinfunc.h b/include/dt-bindings/pinctrl/mt7623-pinfunc.h -index 891b173..eeb2380 100644 --- a/include/dt-bindings/pinctrl/mt7623-pinfunc.h +++ b/include/dt-bindings/pinctrl/mt7623-pinfunc.h @@ -505,6 +505,9 @@ @@ -2389,6 +2377,3 @@ index 891b173..eeb2380 100644 #define MT7623_PIN_274_G2_RXDV_FUNC_GPIO274 (MTK_PIN_NO(274) | 0) #define MT7623_PIN_274_G2_RXDV_FUNC_G2_RXDV (MTK_PIN_NO(274) | 1) --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0017-clk-add-hifsys-reset.patch b/target/linux/mediatek/patches-4.4/0017-clk-add-hifsys-reset.patch index 0b1b59be9c..d7d151cedb 100644 --- a/target/linux/mediatek/patches-4.4/0017-clk-add-hifsys-reset.patch +++ b/target/linux/mediatek/patches-4.4/0017-clk-add-hifsys-reset.patch @@ -1,7 +1,7 @@ -From 294cf90337d70ad74edf147180bbeef837298bd0 Mon Sep 17 00:00:00 2001 +From f7121d2b19ddad33a09408a2c5923bfd95da8533 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 6 Jan 2016 20:06:49 +0100 -Subject: [PATCH 17/91] clk: add hifsys reset +Subject: [PATCH 017/102] clk: add hifsys reset Hi, @@ -18,11 +18,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> include/dt-bindings/reset-controller/mt2701-resets.h | 9 +++++++++ 2 files changed, 11 insertions(+) -diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c -index 39472e4..0e40bb8 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c -@@ -1000,6 +1000,8 @@ static void __init mtk_hifsys_init(struct device_node *node) +@@ -1000,6 +1000,8 @@ static void __init mtk_hifsys_init(struc if (r) pr_err("%s(): could not register clock provider: %d\n", __func__, r); @@ -31,8 +29,6 @@ index 39472e4..0e40bb8 100644 } CLK_OF_DECLARE(mtk_hifsys, "mediatek,mt2701-hifsys", mtk_hifsys_init); -diff --git a/include/dt-bindings/reset-controller/mt2701-resets.h b/include/dt-bindings/reset-controller/mt2701-resets.h -index 00efeb0..aaf0305 100644 --- a/include/dt-bindings/reset-controller/mt2701-resets.h +++ b/include/dt-bindings/reset-controller/mt2701-resets.h @@ -71,4 +71,13 @@ @@ -49,6 +45,3 @@ index 00efeb0..aaf0305 100644 +#define MT2701_HIFSYS_PCIE2_RST 26 + #endif /* _DT_BINDINGS_RESET_CONTROLLER_MT2701 */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0018-dt-bindings-Add-a-binding-for-Mediatek-xHCI-host-con.patch b/target/linux/mediatek/patches-4.4/0018-dt-bindings-Add-a-binding-for-Mediatek-xHCI-host-con.patch index d011bf344d..9c178f2918 100644 --- a/target/linux/mediatek/patches-4.4/0018-dt-bindings-Add-a-binding-for-Mediatek-xHCI-host-con.patch +++ b/target/linux/mediatek/patches-4.4/0018-dt-bindings-Add-a-binding-for-Mediatek-xHCI-host-con.patch @@ -1,7 +1,7 @@ -From 84d37aeef94deae3ce87e677f6016a5d980429e8 Mon Sep 17 00:00:00 2001 +From ba126a519da8a036dae0032e9d5a89e47570e5fb Mon Sep 17 00:00:00 2001 From: "chunfeng.yun@mediatek.com" <chunfeng.yun@mediatek.com> Date: Tue, 17 Nov 2015 17:18:39 +0800 -Subject: [PATCH 18/91] dt-bindings: Add a binding for Mediatek xHCI host +Subject: [PATCH 018/102] dt-bindings: Add a binding for Mediatek xHCI host controller add a DT binding documentation of xHCI host controller for the @@ -13,9 +13,6 @@ Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/mt8173-xhci.txt -diff --git a/Documentation/devicetree/bindings/usb/mt8173-xhci.txt b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt -new file mode 100644 -index 0000000..a78f20b --- /dev/null +++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt @@ -0,0 +1,51 @@ @@ -70,6 +67,3 @@ index 0000000..a78f20b + mediatek,syscon-wakeup = <&pericfg>; + mediatek,wakeup-src = <1>; +}; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0019-xhci-mediatek-support-MTK-xHCI-host-controller.patch b/target/linux/mediatek/patches-4.4/0019-xhci-mediatek-support-MTK-xHCI-host-controller.patch index 603abe0704..f344be6fdd 100644 --- a/target/linux/mediatek/patches-4.4/0019-xhci-mediatek-support-MTK-xHCI-host-controller.patch +++ b/target/linux/mediatek/patches-4.4/0019-xhci-mediatek-support-MTK-xHCI-host-controller.patch @@ -1,7 +1,7 @@ -From 651d8fff94718c7e48b8a40d7774878eb8ed62ee Mon Sep 17 00:00:00 2001 +From 8b8185586a13ebbd760e80bbe5f22f9417b50fd2 Mon Sep 17 00:00:00 2001 From: "chunfeng.yun@mediatek.com" <chunfeng.yun@mediatek.com> Date: Tue, 17 Nov 2015 17:18:40 +0800 -Subject: [PATCH 19/91] xhci: mediatek: support MTK xHCI host controller +Subject: [PATCH 019/102] xhci: mediatek: support MTK xHCI host controller There some vendor quirks for MTK xhci host controller: 1. It defines some extra SW scheduling parameters for HW @@ -31,8 +31,6 @@ Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> create mode 100644 drivers/usb/host/xhci-mtk.c create mode 100644 drivers/usb/host/xhci-mtk.h -diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig -index 3bb0887..daa563f 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -41,6 +41,15 @@ config USB_XHCI_PLATFORM @@ -51,8 +49,6 @@ index 3bb0887..daa563f 100644 config USB_XHCI_MVEBU tristate "xHCI support for Marvell Armada 375/38x" select USB_XHCI_PLATFORM -diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile -index e7558ab..65a06b4 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -13,6 +13,9 @@ fhci-$(CONFIG_FHCI_DEBUG) += fhci-dbg.o @@ -73,9 +69,6 @@ index e7558ab..65a06b4 100644 obj-$(CONFIG_USB_SL811_HCD) += sl811-hcd.o obj-$(CONFIG_USB_SL811_CS) += sl811_cs.o obj-$(CONFIG_USB_U132_HCD) += u132-hcd.o -diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c -new file mode 100644 -index 0000000..c30de7c --- /dev/null +++ b/drivers/usb/host/xhci-mtk-sch.c @@ -0,0 +1,415 @@ @@ -494,9 +487,6 @@ index 0000000..c30de7c + } +} +EXPORT_SYMBOL_GPL(xhci_mtk_drop_ep_quirk); -diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c -new file mode 100644 -index 0000000..c9ab6a4 --- /dev/null +++ b/drivers/usb/host/xhci-mtk.c @@ -0,0 +1,763 @@ @@ -1263,9 +1253,6 @@ index 0000000..c9ab6a4 +MODULE_AUTHOR("Chunfeng Yun <chunfeng.yun@mediatek.com>"); +MODULE_DESCRIPTION("MediaTek xHCI Host Controller Driver"); +MODULE_LICENSE("GPL v2"); -diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h -new file mode 100644 -index 0000000..7da677c --- /dev/null +++ b/drivers/usb/host/xhci-mtk.h @@ -0,0 +1,162 @@ @@ -1431,8 +1418,6 @@ index 0000000..7da677c +#endif + +#endif /* _XHCI_MTK_H_ */ -diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c -index eeaa6c6..f1c21c4 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -68,6 +68,7 @@ @@ -1443,7 +1428,7 @@ index eeaa6c6..f1c21c4 100644 /* * Returns zero if the TRB isn't in this segment, otherwise it returns the DMA -@@ -3075,17 +3076,22 @@ static u32 xhci_td_remainder(struct xhci_hcd *xhci, int transferred, +@@ -3065,17 +3066,22 @@ static u32 xhci_td_remainder(struct xhci { u32 maxp, total_packet_count; @@ -1470,7 +1455,7 @@ index eeaa6c6..f1c21c4 100644 /* Queueing functions don't count the current TRB into transferred */ return (total_packet_count - ((transferred + trb_buff_len) / maxp)); } -@@ -3473,7 +3479,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd *xhci, gfp_t mem_flags, +@@ -3463,7 +3469,7 @@ int xhci_queue_ctrl_tx(struct xhci_hcd * field |= 0x1; /* xHCI 1.0/1.1 6.4.1.2.1: Transfer Type field */ @@ -1479,8 +1464,6 @@ index eeaa6c6..f1c21c4 100644 if (urb->transfer_buffer_length > 0) { if (setup->bRequestType & USB_DIR_IN) field |= TRB_TX_TYPE(TRB_DATA_IN); -diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c -index 3f91270..15fedb2 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -31,6 +31,7 @@ @@ -1491,7 +1474,7 @@ index 3f91270..15fedb2 100644 #define DRIVER_AUTHOR "Sarah Sharp" #define DRIVER_DESC "'eXtensible' Host Controller (xHC) Driver" -@@ -634,7 +635,11 @@ int xhci_run(struct usb_hcd *hcd) +@@ -635,7 +636,11 @@ int xhci_run(struct usb_hcd *hcd) "// Set the interrupt modulation register"); temp = readl(&xhci->ir_set->irq_control); temp &= ~ER_IRQ_INTERVAL_MASK; @@ -1504,7 +1487,7 @@ index 3f91270..15fedb2 100644 writel(temp, &xhci->ir_set->irq_control); /* Set the HCD state before we enable the irqs */ -@@ -1698,6 +1703,9 @@ int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, +@@ -1701,6 +1706,9 @@ int xhci_drop_endpoint(struct usb_hcd *h xhci_endpoint_zero(xhci, xhci->devs[udev->slot_id], ep); @@ -1514,7 +1497,7 @@ index 3f91270..15fedb2 100644 xhci_dbg(xhci, "drop ep 0x%x, slot id %d, new drop flags = %#x, new add flags = %#x\n", (unsigned int) ep->desc.bEndpointAddress, udev->slot_id, -@@ -1793,6 +1801,15 @@ int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev, +@@ -1796,6 +1804,15 @@ int xhci_add_endpoint(struct usb_hcd *hc return -ENOMEM; } @@ -1530,11 +1513,9 @@ index 3f91270..15fedb2 100644 ctrl_ctx->add_flags |= cpu_to_le32(added_ctxs); new_add_flags = le32_to_cpu(ctrl_ctx->add_flags); -diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h -index 0b94512..40cf36e 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h -@@ -1630,6 +1630,7 @@ struct xhci_hcd { +@@ -1631,6 +1631,7 @@ struct xhci_hcd { /* For controllers with a broken beyond repair streams implementation */ #define XHCI_BROKEN_STREAMS (1 << 19) #define XHCI_PME_STUCK_QUIRK (1 << 20) @@ -1542,6 +1523,3 @@ index 0b94512..40cf36e 100644 unsigned int num_active_eps; unsigned int limit_active_eps; /* There are two roothubs to keep track of bus suspend info for */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0020-arm64-dts-mediatek-add-xHCI-usb-phy-for-mt8173.patch b/target/linux/mediatek/patches-4.4/0020-arm64-dts-mediatek-add-xHCI-usb-phy-for-mt8173.patch index c5bfd0f0e1..50c03ee892 100644 --- a/target/linux/mediatek/patches-4.4/0020-arm64-dts-mediatek-add-xHCI-usb-phy-for-mt8173.patch +++ b/target/linux/mediatek/patches-4.4/0020-arm64-dts-mediatek-add-xHCI-usb-phy-for-mt8173.patch @@ -1,7 +1,7 @@ -From 31a22fbd0d3b187be61c4c5d22b19c95abb327c3 Mon Sep 17 00:00:00 2001 +From 645465d4c6dd46c5e6c9ac25cd42608b4201fde0 Mon Sep 17 00:00:00 2001 From: "chunfeng.yun@mediatek.com" <chunfeng.yun@mediatek.com> Date: Tue, 17 Nov 2015 17:18:41 +0800 -Subject: [PATCH 20/91] arm64: dts: mediatek: add xHCI & usb phy for mt8173 +Subject: [PATCH 020/102] arm64: dts: mediatek: add xHCI & usb phy for mt8173 add xHCI and phy drivers for MT8173-EVB @@ -11,8 +11,6 @@ Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> arch/arm64/boot/dts/mediatek/mt8173.dtsi | 42 +++++++++++++++++++++++++++ 2 files changed, 58 insertions(+) -diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts -index 811cb76..9b1482a 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts +++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts @@ -13,6 +13,7 @@ @@ -49,8 +47,6 @@ index 811cb76..9b1482a 100644 + vbus-supply = <&usb_p1_vbus>; + mediatek,wakeup-src = <1>; +}; -diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi -index 4dd5f93..c1fd275 100644 --- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi @@ -14,6 +14,7 @@ @@ -109,6 +105,3 @@ index 4dd5f93..c1fd275 100644 mmsys: clock-controller@14000000 { compatible = "mediatek,mt8173-mmsys", "syscon"; reg = <0 0x14000000 0 0x1000>; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0021-Document-DT-Add-bindings-for-mediatek-MT7623-SoC-Pla.patch b/target/linux/mediatek/patches-4.4/0021-Document-DT-Add-bindings-for-mediatek-MT7623-SoC-Pla.patch index 470da141e8..223c2263f3 100644 --- a/target/linux/mediatek/patches-4.4/0021-Document-DT-Add-bindings-for-mediatek-MT7623-SoC-Pla.patch +++ b/target/linux/mediatek/patches-4.4/0021-Document-DT-Add-bindings-for-mediatek-MT7623-SoC-Pla.patch @@ -1,7 +1,7 @@ -From 162deec293400cb132161606629654acaec7cb4b Mon Sep 17 00:00:00 2001 +From e111a35542ac14712026fe1a55236f76c7fc9048 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Tue, 5 Jan 2016 12:13:54 +0100 -Subject: [PATCH 21/91] Document: DT: Add bindings for mediatek MT7623 SoC +Subject: [PATCH 021/102] Document: DT: Add bindings for mediatek MT7623 SoC Platform This adds a DT binding documentation for the MT7623 SoC from Mediatek. @@ -13,8 +13,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt | 1 + 3 files changed, 6 insertions(+) -diff --git a/Documentation/devicetree/bindings/arm/mediatek.txt b/Documentation/devicetree/bindings/arm/mediatek.txt -index 618a9199..40e9d32 100644 --- a/Documentation/devicetree/bindings/arm/mediatek.txt +++ b/Documentation/devicetree/bindings/arm/mediatek.txt @@ -10,6 +10,7 @@ compatible: Must contain one of @@ -35,8 +33,6 @@ index 618a9199..40e9d32 100644 - MTK mt8127 tablet moose EVB: Required root node properties: - compatible = "mediatek,mt8127-moose", "mediatek,mt8127"; -diff --git a/Documentation/devicetree/bindings/serial/mtk-uart.txt b/Documentation/devicetree/bindings/serial/mtk-uart.txt -index 2d47add..474f0cf 100644 --- a/Documentation/devicetree/bindings/serial/mtk-uart.txt +++ b/Documentation/devicetree/bindings/serial/mtk-uart.txt @@ -2,6 +2,7 @@ @@ -47,8 +43,6 @@ index 2d47add..474f0cf 100644 * "mediatek,mt8135-uart" for MT8135 compatible UARTS * "mediatek,mt8127-uart" for MT8127 compatible UARTS * "mediatek,mt8173-uart" for MT8173 compatible UARTS -diff --git a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt -index 64083bc..6bacda1b3 100644 --- a/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt +++ b/Documentation/devicetree/bindings/timer/mediatek,mtk-timer.txt @@ -5,6 +5,7 @@ Required properties: @@ -59,6 +53,3 @@ index 64083bc..6bacda1b3 100644 * "mediatek,mt8127-timer" for MT8127 compatible timers * "mediatek,mt8135-timer" for MT8135 compatible timers * "mediatek,mt8173-timer" for MT8173 compatible timers --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0022-soc-mediatek-add-compat-string-for-mt7623-to-scpsys.patch b/target/linux/mediatek/patches-4.4/0022-soc-mediatek-add-compat-string-for-mt7623-to-scpsys.patch index 5ae71d73db..453b61288a 100644 --- a/target/linux/mediatek/patches-4.4/0022-soc-mediatek-add-compat-string-for-mt7623-to-scpsys.patch +++ b/target/linux/mediatek/patches-4.4/0022-soc-mediatek-add-compat-string-for-mt7623-to-scpsys.patch @@ -1,18 +1,17 @@ -From fa5d94d6b4b314f751b1c32bb5a87a80b866d05e Mon Sep 17 00:00:00 2001 +From f232c3b36355974bf3442de3a4726d2e499ed3fe Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Tue, 5 Jan 2016 16:52:31 +0100 -Subject: [PATCH 22/91] soc: mediatek: add compat string for mt7623 to scpsys +Subject: [PATCH 022/102] soc: mediatek: add compat string for mt7623 to + scpsys Signed-off-by: John Crispin <blogic@openwrt.org> --- drivers/soc/mediatek/mtk-scpsys-mt2701.c | 2 ++ 1 file changed, 2 insertions(+) -diff --git a/drivers/soc/mediatek/mtk-scpsys-mt2701.c b/drivers/soc/mediatek/mtk-scpsys-mt2701.c -index 339d5b8..3a31946 100644 --- a/drivers/soc/mediatek/mtk-scpsys-mt2701.c +++ b/drivers/soc/mediatek/mtk-scpsys-mt2701.c -@@ -136,6 +136,8 @@ static const struct of_device_id of_scpsys_match_tbl[] = { +@@ -136,6 +136,8 @@ static const struct of_device_id of_scps { .compatible = "mediatek,mt2701-scpsys", }, { @@ -21,6 +20,3 @@ index 339d5b8..3a31946 100644 /* sentinel */ } }; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0023-ARM-dts-mediatek-add-MT7623-basic-support.patch b/target/linux/mediatek/patches-4.4/0023-ARM-dts-mediatek-add-MT7623-basic-support.patch index edc20b7855..5be3b27eb2 100644 --- a/target/linux/mediatek/patches-4.4/0023-ARM-dts-mediatek-add-MT7623-basic-support.patch +++ b/target/linux/mediatek/patches-4.4/0023-ARM-dts-mediatek-add-MT7623-basic-support.patch @@ -1,23 +1,21 @@ -From 83ef9fb21a896ac03c3a78bc3ae0b21f3b0a43a3 Mon Sep 17 00:00:00 2001 +From 51d5ca9e151eb323bd965e72ad1e1dc93fcf7b13 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Tue, 5 Jan 2016 12:16:17 +0100 -Subject: [PATCH 23/91] ARM: dts: mediatek: add MT7623 basic support +Subject: [PATCH 023/102] ARM: dts: mediatek: add MT7623 basic support This adds basic chip support for Mediatek MT7623. Signed-off-by: John Crispin <blogic@openwrt.org> --- arch/arm/boot/dts/Makefile | 1 + - arch/arm/boot/dts/mt7623-evb.dts | 474 +++++++++++++++++++++++++++++ - arch/arm/boot/dts/mt7623.dtsi | 593 +++++++++++++++++++++++++++++++++++++ + arch/arm/boot/dts/mt7623-evb.dts | 421 ++++++++++++++++++++++++++ + arch/arm/boot/dts/mt7623.dtsi | 601 +++++++++++++++++++++++++++++++++++++ arch/arm/mach-mediatek/Kconfig | 4 + arch/arm/mach-mediatek/mediatek.c | 1 + - 5 files changed, 1073 insertions(+) + 5 files changed, 1028 insertions(+) create mode 100644 arch/arm/boot/dts/mt7623-evb.dts create mode 100644 arch/arm/boot/dts/mt7623.dtsi -diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile -index 30bbc37..2bce370 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -774,6 +774,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \ @@ -28,12 +26,9 @@ index 30bbc37..2bce370 100644 mt8127-moose.dtb \ mt8135-evbp1.dtb dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb -diff --git a/arch/arm/boot/dts/mt7623-evb.dts b/arch/arm/boot/dts/mt7623-evb.dts -new file mode 100644 -index 0000000..70b92a4 --- /dev/null +++ b/arch/arm/boot/dts/mt7623-evb.dts -@@ -0,0 +1,474 @@ +@@ -0,0 +1,421 @@ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: John Crispin <blogic@openwrt.org> @@ -323,127 +318,32 @@ index 0000000..70b92a4 + status = "okay"; +}; + -+&mmc0 { -+ status = "okay"; -+ pinctrl-names = "default", "state_uhs"; -+ pinctrl-0 = <&mmc0_pins_default>; -+ pinctrl-1 = <&mmc0_pins_uhs>; -+ bus-width = <8>; -+ max-frequency = <50000000>; -+ cap-mmc-highspeed; -+ vmmc-supply = <&mt6323_vemc3v3_reg>; -+ vqmmc-supply = <&mt6323_vio18_reg>; -+ non-removable; -+}; -+ -+&mmc1 { -+ status = "okay"; -+ pinctrl-names = "default", "state_uhs"; -+ pinctrl-0 = <&mmc1_pins_default>; -+ pinctrl-1 = <&mmc1_pins_uhs>; -+ bus-width = <4>; -+ max-frequency = <50000000>; -+ cap-sd-highspeed; -+ sd-uhs-sdr25; -+// cd-gpios = <&pio 132 0>; -+ vmmc-supply = <&mt6323_vmch_reg>; -+ vqmmc-supply = <&mt6323_vmc_reg>; -+}; -+ +&pio { -+ mmc0_pins_default: mmc0default { -+ pins_cmd_dat { -+ pinmux = <MT7623_PIN_111_MSDC0_DAT7_FUNC_MSDC0_DAT7>, -+ <MT7623_PIN_112_MSDC0_DAT6_FUNC_MSDC0_DAT6>, -+ <MT7623_PIN_113_MSDC0_DAT5_FUNC_MSDC0_DAT5>, -+ <MT7623_PIN_114_MSDC0_DAT4_FUNC_MSDC0_DAT4>, -+ <MT7623_PIN_118_MSDC0_DAT3_FUNC_MSDC0_DAT3>, -+ <MT7623_PIN_119_MSDC0_DAT2_FUNC_MSDC0_DAT2>, -+ <MT7623_PIN_120_MSDC0_DAT1_FUNC_MSDC0_DAT1>, -+ <MT7623_PIN_121_MSDC0_DAT0_FUNC_MSDC0_DAT0>, -+ <MT7623_PIN_116_MSDC0_CMD_FUNC_MSDC0_CMD>; -+ input-enable; -+ bias-pull-up; -+ }; -+ -+ pins_clk { -+ pinmux = <MT7623_PIN_117_MSDC0_CLK_FUNC_MSDC0_CLK>; -+ bias-pull-down; -+ }; -+ -+ pins_rst { -+ pinmux = <MT7623_PIN_115_MSDC0_RSTB_FUNC_MSDC0_RSTB>; -+ bias-pull-up; ++ nand_pins_default: nanddefault { ++ pins_dat { ++ pinmux = <MT7623_PIN_111_MSDC0_DAT7_FUNC_NLD7>, ++ <MT7623_PIN_112_MSDC0_DAT6_FUNC_NLD6>, ++ <MT7623_PIN_114_MSDC0_DAT4_FUNC_NLD4>, ++ <MT7623_PIN_118_MSDC0_DAT3_FUNC_NLD3>, ++ <MT7623_PIN_121_MSDC0_DAT0_FUNC_NLD0>, ++ <MT7623_PIN_120_MSDC0_DAT1_FUNC_NLD1>, ++ <MT7623_PIN_113_MSDC0_DAT5_FUNC_NLD5>, ++ <MT7623_PIN_115_MSDC0_RSTB_FUNC_NLD8>, ++ <MT7623_PIN_119_MSDC0_DAT2_FUNC_NLD2>; ++ input-enable; ++ drive-strength = <MTK_DRIVE_8mA>; ++ bias-pull-up; + }; -+ }; + -+ mmc0_pins_uhs: mmc0 { -+ pins_cmd_dat { -+ pinmux = <MT7623_PIN_111_MSDC0_DAT7_FUNC_MSDC0_DAT7>, -+ <MT7623_PIN_112_MSDC0_DAT6_FUNC_MSDC0_DAT6>, -+ <MT7623_PIN_113_MSDC0_DAT5_FUNC_MSDC0_DAT5>, -+ <MT7623_PIN_114_MSDC0_DAT4_FUNC_MSDC0_DAT4>, -+ <MT7623_PIN_118_MSDC0_DAT3_FUNC_MSDC0_DAT3>, -+ <MT7623_PIN_119_MSDC0_DAT2_FUNC_MSDC0_DAT2>, -+ <MT7623_PIN_120_MSDC0_DAT1_FUNC_MSDC0_DAT1>, -+ <MT7623_PIN_121_MSDC0_DAT0_FUNC_MSDC0_DAT0>, -+ <MT7623_PIN_116_MSDC0_CMD_FUNC_MSDC0_CMD>; -+ input-enable; -+ drive-strength = <MTK_DRIVE_2mA>; -+ bias-pull-up = <MTK_PUPD_SET_R1R0_01>; -+ }; -+ -+ pins_clk { -+ pinmux = <MT7623_PIN_117_MSDC0_CLK_FUNC_MSDC0_CLK>; -+ drive-strength = <MTK_DRIVE_2mA>; -+ bias-pull-down = <MTK_PUPD_SET_R1R0_01>; -+ }; -+ -+ pins_rst { -+ pinmux = <MT7623_PIN_115_MSDC0_RSTB_FUNC_MSDC0_RSTB>; -+ bias-pull-up; -+ }; -+ }; -+ -+ mmc1_pins_default: mmc1default { -+ pins_cmd_dat { -+ pinmux = <MT7623_PIN_107_MSDC1_DAT0_FUNC_MSDC1_DAT0>, -+ <MT7623_PIN_108_MSDC1_DAT1_FUNC_MSDC1_DAT1>, -+ <MT7623_PIN_109_MSDC1_DAT2_FUNC_MSDC1_DAT2>, -+ <MT7623_PIN_110_MSDC1_DAT3_FUNC_MSDC1_DAT3>, -+ <MT7623_PIN_105_MSDC1_CMD_FUNC_MSDC1_CMD>; -+ input-enable; -+ drive-strength = <MTK_DRIVE_4mA>; ++ pins_we { ++ pinmux = <MT7623_PIN_117_MSDC0_CLK_FUNC_NWEB>; ++ drive-strength = <MTK_DRIVE_8mA>; + bias-pull-up = <MTK_PUPD_SET_R1R0_10>; + }; + -+ pins_clk { -+ pinmux = <MT7623_PIN_106_MSDC1_CLK_FUNC_MSDC1_CLK>; -+ bias-pull-down; -+ drive-strength = <MTK_DRIVE_4mA>; -+ }; -+ -+// pins_insert { -+// pinmux = <MT8173_PIN_132_I2S0_DATA1_FUNC_GPIO132>; -+// bias-pull-up; -+// }; -+ }; -+ -+ mmc1_pins_uhs: mmc1 { -+ pins_cmd_dat { -+ pinmux = <MT7623_PIN_107_MSDC1_DAT0_FUNC_MSDC1_DAT0>, -+ <MT7623_PIN_108_MSDC1_DAT1_FUNC_MSDC1_DAT1>, -+ <MT7623_PIN_109_MSDC1_DAT2_FUNC_MSDC1_DAT2>, -+ <MT7623_PIN_110_MSDC1_DAT3_FUNC_MSDC1_DAT3>, -+ <MT7623_PIN_105_MSDC1_CMD_FUNC_MSDC1_CMD>; -+ input-enable; -+ drive-strength = <MTK_DRIVE_4mA>; -+ bias-pull-up = <MTK_PUPD_SET_R1R0_10>; -+ }; -+ -+ pins_clk { -+ pinmux = <MT7623_PIN_106_MSDC1_CLK_FUNC_MSDC1_CLK>; -+ drive-strength = <MTK_DRIVE_4mA>; ++ pins_ale { ++ pinmux = <MT7623_PIN_116_MSDC0_CMD_FUNC_NALE>; ++ drive-strength = <MTK_DRIVE_8mA>; + bias-pull-down = <MTK_PUPD_SET_R1R0_10>; + }; + }; @@ -474,6 +374,48 @@ index 0000000..70b92a4 + }; +}; + ++&nandc { ++ status = "okay"; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&nand_pins_default>; ++ nand@0 { ++ reg = <0>; ++ partitions { ++ compatible = "fixed-partitions"; ++ #address-cells = <1>; ++ #size-cells = <1>; ++ ++ partition@C0000 { ++ label = "uboot-env"; ++ reg = <0xC0000 0x40000>; ++ }; ++ ++ partition@100000 { ++ label = "factory"; ++ reg = <0x100000 0x40000>; ++ }; ++ ++ partition@140000 { ++ label = "kernel"; ++ reg = <0x140000 0x2000000>; ++ }; ++ ++ partition@2140000 { ++ label = "recovery"; ++ reg = <0x2140000 0x2000000>; ++ }; ++ ++ partition@4140000 { ++ label = "rootfs"; ++ reg = <0x4140000 0x1000000>; ++ }; ++ }; ++ }; ++}; ++&bch { ++ status = "okay"; ++}; ++ +&usb1 { + vusb33-supply = <&mt6323_vusb_reg>; + vbus-supply = <&usb_p1_vbus>; @@ -508,12 +450,9 @@ index 0000000..70b92a4 + mediatek,reset-pin = <&pio 15 0>; + status = "okay"; +}; -diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi -new file mode 100644 -index 0000000..80c1ab8 --- /dev/null +++ b/arch/arm/boot/dts/mt7623.dtsi -@@ -0,0 +1,593 @@ +@@ -0,0 +1,601 @@ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: John Crispin <blogic@openwrt.org> @@ -854,6 +793,7 @@ index 0000000..80c1ab8 + compatible = "mediatek,mt2701-nfc"; + reg = <0 0x1100d000 0 0x1000>; + interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_LOW>; ++ power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>; + clocks = <&pericfg CLK_PERI_NFI>, + <&pericfg CLK_PERI_NFI_PAD>; + clock-names = "nfi_clk", "pad_clk"; @@ -1073,8 +1013,15 @@ index 0000000..80c1ab8 + compatible = "mediatek,eth-mac"; + reg = <1>; + -+ phy-handle = <&phy5>; + status = "disabled"; ++ ++ phy-mode = "rgmii"; ++ ++ fixed-link { ++ speed = <1000>; ++ full-duplex; ++ pause; ++ }; + }; + + mdio-bus { @@ -1107,8 +1054,6 @@ index 0000000..80c1ab8 + status = "disabled"; + }; +}; -diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig -index 37dd438..7fb605e 100644 --- a/arch/arm/mach-mediatek/Kconfig +++ b/arch/arm/mach-mediatek/Kconfig @@ -21,6 +21,10 @@ config MACH_MT6592 @@ -1122,11 +1067,9 @@ index 37dd438..7fb605e 100644 config MACH_MT8127 bool "MediaTek MT8127 SoCs support" default ARCH_MEDIATEK -diff --git a/arch/arm/mach-mediatek/mediatek.c b/arch/arm/mach-mediatek/mediatek.c -index d019a08..bcfca37 100644 --- a/arch/arm/mach-mediatek/mediatek.c +++ b/arch/arm/mach-mediatek/mediatek.c -@@ -46,6 +46,7 @@ static void __init mediatek_timer_init(void) +@@ -46,6 +46,7 @@ static void __init mediatek_timer_init(v static const char * const mediatek_board_dt_compat[] = { "mediatek,mt6589", "mediatek,mt6592", @@ -1134,6 +1077,3 @@ index d019a08..bcfca37 100644 "mediatek,mt8127", "mediatek,mt8135", NULL, --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0024-dt-bindings-add-MediaTek-PCIe-binding-documentation.patch b/target/linux/mediatek/patches-4.4/0024-dt-bindings-add-MediaTek-PCIe-binding-documentation.patch index 4874373ad5..d6fe977793 100644 --- a/target/linux/mediatek/patches-4.4/0024-dt-bindings-add-MediaTek-PCIe-binding-documentation.patch +++ b/target/linux/mediatek/patches-4.4/0024-dt-bindings-add-MediaTek-PCIe-binding-documentation.patch @@ -1,7 +1,7 @@ -From 427a938858630fe4cec1b3829624676a4106d236 Mon Sep 17 00:00:00 2001 +From 05be818061b9f2a0fa5ad0cde6881917ff14a2f2 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 6 Jan 2016 21:55:10 +0100 -Subject: [PATCH 24/91] dt-bindings: add MediaTek PCIe binding documentation +Subject: [PATCH 024/102] dt-bindings: add MediaTek PCIe binding documentation Signed-off-by: John Crispin <blogic@openwrt.org> --- @@ -9,9 +9,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> 1 file changed, 140 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/mediatek-pcie.txt -diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie.txt b/Documentation/devicetree/bindings/pci/mediatek-pcie.txt -new file mode 100644 -index 0000000..8fea3ed --- /dev/null +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie.txt @@ -0,0 +1,140 @@ @@ -155,6 +152,3 @@ index 0000000..8fea3ed + status = "okay"; + }; + }; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0025-PCI-mediatek-add-support-for-PCIe-found-on-MT7623-MT.patch b/target/linux/mediatek/patches-4.4/0025-PCI-mediatek-add-support-for-PCIe-found-on-MT7623-MT.patch index a6534b6643..bcb109d6a9 100644 --- a/target/linux/mediatek/patches-4.4/0025-PCI-mediatek-add-support-for-PCIe-found-on-MT7623-MT.patch +++ b/target/linux/mediatek/patches-4.4/0025-PCI-mediatek-add-support-for-PCIe-found-on-MT7623-MT.patch @@ -1,7 +1,7 @@ -From 5571cc63036daf0e0a05f07b0137fee86d58acb0 Mon Sep 17 00:00:00 2001 +From 8ab1d4e0a9a68e03f472dee1c036a01d0198c20c Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Tue, 5 Jan 2016 20:20:04 +0100 -Subject: [PATCH 25/91] PCI: mediatek: add support for PCIe found on +Subject: [PATCH 025/102] PCI: mediatek: add support for PCIe found on MT7623/MT2701 Add PCIe controller support on MediaTek MT2701/MT7623. The driver supports @@ -17,8 +17,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> 4 files changed, 654 insertions(+) create mode 100644 drivers/pci/host/pcie-mediatek.c -diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig -index 7fb605e..a7fef77 100644 --- a/arch/arm/mach-mediatek/Kconfig +++ b/arch/arm/mach-mediatek/Kconfig @@ -24,6 +24,7 @@ config MACH_MT6592 @@ -29,11 +27,9 @@ index 7fb605e..a7fef77 100644 config MACH_MT8127 bool "MediaTek MT8127 SoCs support" -diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig -index f131ba9..912f0e1 100644 --- a/drivers/pci/host/Kconfig +++ b/drivers/pci/host/Kconfig -@@ -172,4 +172,15 @@ config PCI_HISI +@@ -173,4 +173,15 @@ config PCI_HISI help Say Y here if you want PCIe controller support on HiSilicon HIP05 SoC @@ -49,18 +45,13 @@ index f131ba9..912f0e1 100644 + PCIe include one Host/PCI bridge and 3 PCIe MAC. + endmenu -diff --git a/drivers/pci/host/Makefile b/drivers/pci/host/Makefile -index 9d4d3c6..3b53374 100644 --- a/drivers/pci/host/Makefile +++ b/drivers/pci/host/Makefile -@@ -20,3 +20,4 @@ obj-$(CONFIG_PCIE_IPROC_BCMA) += pcie-iproc-bcma.o +@@ -20,3 +20,4 @@ obj-$(CONFIG_PCIE_IPROC_BCMA) += pcie-ip obj-$(CONFIG_PCIE_ALTERA) += pcie-altera.o obj-$(CONFIG_PCIE_ALTERA_MSI) += pcie-altera-msi.o obj-$(CONFIG_PCI_HISI) += pcie-hisi.o +obj-$(CONFIG_PCIE_MTK) += pcie-mediatek.o -diff --git a/drivers/pci/host/pcie-mediatek.c b/drivers/pci/host/pcie-mediatek.c -new file mode 100644 -index 0000000..ef03952 --- /dev/null +++ b/drivers/pci/host/pcie-mediatek.c @@ -0,0 +1,641 @@ @@ -705,6 +696,3 @@ index 0000000..ef03952 +} + +module_init(mtk_pcie_init); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0026-scpsys-various-fixes.patch b/target/linux/mediatek/patches-4.4/0026-scpsys-various-fixes.patch index 7f64c518a1..7ec3033463 100644 --- a/target/linux/mediatek/patches-4.4/0026-scpsys-various-fixes.patch +++ b/target/linux/mediatek/patches-4.4/0026-scpsys-various-fixes.patch @@ -1,7 +1,7 @@ -From a366216a08408949eca2d7823273da6826d3c483 Mon Sep 17 00:00:00 2001 +From 59aafd667d2880c90776931b6102b8252214d93c Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Sun, 21 Feb 2016 13:52:12 +0100 -Subject: [PATCH 26/91] scpsys: various fixes +Subject: [PATCH 026/102] scpsys: various fixes --- drivers/clk/mediatek/clk-mt2701.c | 2 ++ @@ -9,11 +9,9 @@ Subject: [PATCH 26/91] scpsys: various fixes include/dt-bindings/power/mt2701-power.h | 4 ++-- 3 files changed, 4 insertions(+), 10 deletions(-) -diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c -index 0e40bb8..812b347 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c -@@ -1043,6 +1043,8 @@ static void __init mtk_ethsys_init(struct device_node *node) +@@ -1043,6 +1043,8 @@ static void __init mtk_ethsys_init(struc if (r) pr_err("%s(): could not register clock provider: %d\n", __func__, r); @@ -22,11 +20,9 @@ index 0e40bb8..812b347 100644 } CLK_OF_DECLARE(mtk_ethsys, "mediatek,mt2701-ethsys", mtk_ethsys_init); -diff --git a/drivers/soc/mediatek/mtk-scpsys-mt2701.c b/drivers/soc/mediatek/mtk-scpsys-mt2701.c -index 3a31946..19489bc 100644 --- a/drivers/soc/mediatek/mtk-scpsys-mt2701.c +++ b/drivers/soc/mediatek/mtk-scpsys-mt2701.c -@@ -61,14 +61,6 @@ static const struct scp_domain_data scp_domain_data[] = { +@@ -61,14 +61,6 @@ static const struct scp_domain_data scp_ .bus_prot_mask = MT2701_TOP_AXI_PROT_EN_DISP, .active_wakeup = true, }, @@ -41,8 +37,6 @@ index 3a31946..19489bc 100644 [MT2701_POWER_DOMAIN_VDEC] = { .name = "vdec", .sta_mask = VDE_PWR_STA_MASK, -diff --git a/include/dt-bindings/power/mt2701-power.h b/include/dt-bindings/power/mt2701-power.h -index 64cc826..c168597 100644 --- a/include/dt-bindings/power/mt2701-power.h +++ b/include/dt-bindings/power/mt2701-power.h @@ -16,12 +16,12 @@ @@ -60,6 +54,3 @@ index 64cc826..c168597 100644 +#define MT2701_POWER_DOMAIN_IFR_MSC 2 #endif /* _DT_BINDINGS_POWER_MT2701_POWER_H */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0027-soc-mediatek-PMIC-wrap-Clear-the-vldclr-if-state-mac.patch b/target/linux/mediatek/patches-4.4/0027-soc-mediatek-PMIC-wrap-Clear-the-vldclr-if-state-mac.patch index dfd274b1e2..964373bf49 100644 --- a/target/linux/mediatek/patches-4.4/0027-soc-mediatek-PMIC-wrap-Clear-the-vldclr-if-state-mac.patch +++ b/target/linux/mediatek/patches-4.4/0027-soc-mediatek-PMIC-wrap-Clear-the-vldclr-if-state-mac.patch @@ -1,7 +1,7 @@ -From 4d02177361d13355d98a38830c69bb9add3c109c Mon Sep 17 00:00:00 2001 +From 55231d8299d3dccde8588ed2e86c2bc0ef2e12ce Mon Sep 17 00:00:00 2001 From: Henry Chen <henryc.chen@mediatek.com> Date: Mon, 4 Jan 2016 20:02:52 +0800 -Subject: [PATCH 27/91] soc: mediatek: PMIC wrap: Clear the vldclr if state +Subject: [PATCH 027/102] soc: mediatek: PMIC wrap: Clear the vldclr if state machine stay on FSM_VLDCLR state. Sometimes PMIC is too busy to send data in time to cause pmic wrap timeout, @@ -20,11 +20,9 @@ Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com> drivers/soc/mediatek/mtk-pmic-wrap.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) -diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c -index 105597a..696071b 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c -@@ -412,6 +412,20 @@ static bool pwrap_is_fsm_vldclr(struct pmic_wrapper *wrp) +@@ -412,6 +412,20 @@ static bool pwrap_is_fsm_vldclr(struct p return PWRAP_GET_WACS_FSM(val) == PWRAP_WACS_FSM_WFVLDCLR; } @@ -45,7 +43,7 @@ index 105597a..696071b 100644 static bool pwrap_is_sync_idle(struct pmic_wrapper *wrp) { return pwrap_readl(wrp, PWRAP_WACS2_RDATA) & PWRAP_STATE_SYNC_IDLE0; -@@ -445,8 +459,10 @@ static int pwrap_write(struct pmic_wrapper *wrp, u32 adr, u32 wdata) +@@ -445,8 +459,10 @@ static int pwrap_write(struct pmic_wrapp int ret; ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle); @@ -57,7 +55,7 @@ index 105597a..696071b 100644 pwrap_writel(wrp, (1 << 31) | ((adr >> 1) << 16) | wdata, PWRAP_WACS2_CMD); -@@ -459,8 +475,10 @@ static int pwrap_read(struct pmic_wrapper *wrp, u32 adr, u32 *rdata) +@@ -459,8 +475,10 @@ static int pwrap_read(struct pmic_wrappe int ret; ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle); @@ -69,6 +67,3 @@ index 105597a..696071b 100644 pwrap_writel(wrp, (adr >> 1) << 16, PWRAP_WACS2_CMD); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0028-ARM-mediatek-add-MT7623-smp-bringup-code.patch b/target/linux/mediatek/patches-4.4/0028-ARM-mediatek-add-MT7623-smp-bringup-code.patch index 8c22fd9a26..4aacd26a1f 100644 --- a/target/linux/mediatek/patches-4.4/0028-ARM-mediatek-add-MT7623-smp-bringup-code.patch +++ b/target/linux/mediatek/patches-4.4/0028-ARM-mediatek-add-MT7623-smp-bringup-code.patch @@ -1,7 +1,7 @@ -From e4a5c39f75a11ecb78d1243b19b929af54f888fa Mon Sep 17 00:00:00 2001 +From d088a94afc768683a881b627b6737442158e7db6 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Tue, 5 Jan 2016 17:24:28 +0100 -Subject: [PATCH 28/91] ARM: mediatek: add MT7623 smp bringup code +Subject: [PATCH 028/102] ARM: mediatek: add MT7623 smp bringup code Add support for booting secondary CPUs on MT7623. @@ -11,11 +11,9 @@ Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com> arch/arm/mach-mediatek/platsmp.c | 7 +++++++ 1 file changed, 7 insertions(+) -diff --git a/arch/arm/mach-mediatek/platsmp.c b/arch/arm/mach-mediatek/platsmp.c -index 8141f3f..8151400 100644 --- a/arch/arm/mach-mediatek/platsmp.c +++ b/arch/arm/mach-mediatek/platsmp.c -@@ -44,6 +44,12 @@ static const struct mtk_smp_boot_info mtk_mt6589_boot = { +@@ -44,6 +44,12 @@ static const struct mtk_smp_boot_info mt { 0x38, 0x3c, 0x40 }, }; @@ -28,7 +26,7 @@ index 8141f3f..8151400 100644 static const struct of_device_id mtk_tz_smp_boot_infos[] __initconst = { { .compatible = "mediatek,mt8135", .data = &mtk_mt8135_tz_boot }, { .compatible = "mediatek,mt8127", .data = &mtk_mt8135_tz_boot }, -@@ -51,6 +57,7 @@ static const struct of_device_id mtk_tz_smp_boot_infos[] __initconst = { +@@ -51,6 +57,7 @@ static const struct of_device_id mtk_tz_ static const struct of_device_id mtk_smp_boot_infos[] __initconst = { { .compatible = "mediatek,mt6589", .data = &mtk_mt6589_boot }, @@ -36,6 +34,3 @@ index 8141f3f..8151400 100644 }; static void __iomem *mtk_smp_base; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0029-soc-mediatek-PMIC-wrap-clear-the-STAUPD_TRIG-bit-of-.patch b/target/linux/mediatek/patches-4.4/0029-soc-mediatek-PMIC-wrap-clear-the-STAUPD_TRIG-bit-of-.patch index 6ad960ec42..eb936a789b 100644 --- a/target/linux/mediatek/patches-4.4/0029-soc-mediatek-PMIC-wrap-clear-the-STAUPD_TRIG-bit-of-.patch +++ b/target/linux/mediatek/patches-4.4/0029-soc-mediatek-PMIC-wrap-clear-the-STAUPD_TRIG-bit-of-.patch @@ -1,8 +1,8 @@ -From b4a6293df00036129d26a7f06bfb220ba5a73c42 Mon Sep 17 00:00:00 2001 +From b92861fbc79b3a7a9bc1c51e2dbfa2c191cc27ea Mon Sep 17 00:00:00 2001 From: Henry Chen <henryc.chen@mediatek.com> Date: Thu, 21 Jan 2016 19:04:00 +0800 -Subject: [PATCH 29/91] soc: mediatek: PMIC wrap: clear the STAUPD_TRIG bit of - WDT_SRC_EN +Subject: [PATCH 029/102] soc: mediatek: PMIC wrap: clear the STAUPD_TRIG bit + of WDT_SRC_EN Since STAUPD interrupts aren't handled on mt8173, disable watchdog timeout monitor of STAUPD to avoid WDT_INT triggered by STAUPD. @@ -14,8 +14,6 @@ Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com> drivers/soc/mediatek/mtk-pmic-wrap.c | 19 +++++++++++++++++-- 1 file changed, 17 insertions(+), 2 deletions(-) -diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c -index 696071b..0d9b19a 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -60,6 +60,15 @@ @@ -34,7 +32,7 @@ index 696071b..0d9b19a 100644 /* macro for slave device wrapper registers */ #define PWRAP_DEW_BASE 0xbc00 #define PWRAP_DEW_EVENT_OUT_EN (PWRAP_DEW_BASE + 0x0) -@@ -822,7 +831,7 @@ MODULE_DEVICE_TABLE(of, of_pwrap_match_tbl); +@@ -822,7 +831,7 @@ MODULE_DEVICE_TABLE(of, of_pwrap_match_t static int pwrap_probe(struct platform_device *pdev) { @@ -43,7 +41,7 @@ index 696071b..0d9b19a 100644 struct pmic_wrapper *wrp; struct device_node *np = pdev->dev.of_node; const struct of_device_id *of_id = -@@ -912,7 +921,13 @@ static int pwrap_probe(struct platform_device *pdev) +@@ -912,7 +921,13 @@ static int pwrap_probe(struct platform_d /* Initialize watchdog, may not be done by the bootloader */ pwrap_writel(wrp, 0xf, PWRAP_WDT_UNIT); @@ -58,6 +56,3 @@ index 696071b..0d9b19a 100644 pwrap_writel(wrp, 0x1, PWRAP_TIMER_EN); pwrap_writel(wrp, ~((1 << 31) | (1 << 1)), PWRAP_INT_EN); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0030-ARM-mediatek-add-mt2701-smp-bringup-code.patch b/target/linux/mediatek/patches-4.4/0030-ARM-mediatek-add-mt2701-smp-bringup-code.patch index 61fa475046..790ccca1ff 100644 --- a/target/linux/mediatek/patches-4.4/0030-ARM-mediatek-add-mt2701-smp-bringup-code.patch +++ b/target/linux/mediatek/patches-4.4/0030-ARM-mediatek-add-mt2701-smp-bringup-code.patch @@ -1,7 +1,7 @@ -From 0befbd007b72ba2b14c65558d3bb72ea885496f6 Mon Sep 17 00:00:00 2001 +From f88ec31c6ba3a006d0be87ff1d99145f8cc85bee Mon Sep 17 00:00:00 2001 From: Louis Yu <louis.yu@mediatek.com> Date: Thu, 7 Jan 2016 20:09:43 +0800 -Subject: [PATCH 30/91] ARM: mediatek: add mt2701 smp bringup code +Subject: [PATCH 030/102] ARM: mediatek: add mt2701 smp bringup code Add support for booting secondary CPUs on mt2701. @@ -11,11 +11,9 @@ Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com> arch/arm/mach-mediatek/platsmp.c | 1 + 1 file changed, 1 insertion(+) -diff --git a/arch/arm/mach-mediatek/platsmp.c b/arch/arm/mach-mediatek/platsmp.c -index 8151400..2078f92d5 100644 --- a/arch/arm/mach-mediatek/platsmp.c +++ b/arch/arm/mach-mediatek/platsmp.c -@@ -53,6 +53,7 @@ static const struct mtk_smp_boot_info mtk_mt7623_boot = { +@@ -53,6 +53,7 @@ static const struct mtk_smp_boot_info mt static const struct of_device_id mtk_tz_smp_boot_infos[] __initconst = { { .compatible = "mediatek,mt8135", .data = &mtk_mt8135_tz_boot }, { .compatible = "mediatek,mt8127", .data = &mtk_mt8135_tz_boot }, @@ -23,6 +21,3 @@ index 8151400..2078f92d5 100644 }; static const struct of_device_id mtk_smp_boot_infos[] __initconst = { --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0031-dt-bindings-ARM-Mediatek-add-MT2701-7623-string-to-t.patch b/target/linux/mediatek/patches-4.4/0031-dt-bindings-ARM-Mediatek-add-MT2701-7623-string-to-t.patch index dd20cca520..186b2f4e34 100644 --- a/target/linux/mediatek/patches-4.4/0031-dt-bindings-ARM-Mediatek-add-MT2701-7623-string-to-t.patch +++ b/target/linux/mediatek/patches-4.4/0031-dt-bindings-ARM-Mediatek-add-MT2701-7623-string-to-t.patch @@ -1,8 +1,8 @@ -From 9367fb14e1be8dd174f8d63ec83f7ee2d90ae733 Mon Sep 17 00:00:00 2001 +From 15f4d895578f02cbaed10b0f5f6853b873aba10b Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 20 Jan 2016 13:12:19 +0100 -Subject: [PATCH 31/91] dt-bindings: ARM: Mediatek: add MT2701/7623 string to - the PMIC wrapper doc +Subject: [PATCH 031/102] dt-bindings: ARM: Mediatek: add MT2701/7623 string + to the PMIC wrapper doc Signed-off-by: John Crispin <blogic@openwrt.org> Acked-by: Rob Herring <robh@kernel.org> @@ -11,8 +11,6 @@ Cc: devicetree@vger.kernel.org Documentation/devicetree/bindings/soc/mediatek/pwrap.txt | 1 + 1 file changed, 1 insertion(+) -diff --git a/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt b/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt -index ddeb5b6..107700d 100644 --- a/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt +++ b/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt @@ -18,6 +18,7 @@ IP Pairing @@ -23,6 +21,3 @@ index ddeb5b6..107700d 100644 "mediatek,mt8135-pwrap" for MT8135 SoCs "mediatek,mt8173-pwrap" for MT8173 SoCs - interrupts: IRQ for pwrap in SOC --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0032-soc-mediatek-PMIC-wrap-don-t-duplicate-the-wrapper-d.patch b/target/linux/mediatek/patches-4.4/0032-soc-mediatek-PMIC-wrap-don-t-duplicate-the-wrapper-d.patch index e350f445f2..8092e96d71 100644 --- a/target/linux/mediatek/patches-4.4/0032-soc-mediatek-PMIC-wrap-don-t-duplicate-the-wrapper-d.patch +++ b/target/linux/mediatek/patches-4.4/0032-soc-mediatek-PMIC-wrap-don-t-duplicate-the-wrapper-d.patch @@ -1,8 +1,8 @@ -From 7b7d59b4219c30e1b9601300348f1431fdab7081 Mon Sep 17 00:00:00 2001 +From 64e8091be39c3f0a7bf4651bd2045b8c86429d55 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 20 Jan 2016 06:42:01 +0100 -Subject: [PATCH 32/91] soc: mediatek: PMIC wrap: don't duplicate the wrapper - data +Subject: [PATCH 032/102] soc: mediatek: PMIC wrap: don't duplicate the + wrapper data As we add support for more devices struct pmic_wrapper_type will grow and we do not really want to start duplicating all the elements in @@ -13,8 +13,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/soc/mediatek/mtk-pmic-wrap.c | 22 ++++++++-------------- 1 file changed, 8 insertions(+), 14 deletions(-) -diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c -index 0d9b19a..340c4b5 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -376,9 +376,7 @@ struct pmic_wrapper { @@ -55,7 +53,7 @@ index 0d9b19a..340c4b5 100644 } static bool pwrap_is_fsm_idle(struct pmic_wrapper *wrp) -@@ -697,7 +695,7 @@ static int pwrap_init(struct pmic_wrapper *wrp) +@@ -697,7 +695,7 @@ static int pwrap_init(struct pmic_wrappe pwrap_writel(wrp, 1, PWRAP_WRAP_EN); @@ -64,7 +62,7 @@ index 0d9b19a..340c4b5 100644 pwrap_writel(wrp, 1, PWRAP_WACS2_EN); -@@ -742,7 +740,7 @@ static int pwrap_init(struct pmic_wrapper *wrp) +@@ -742,7 +740,7 @@ static int pwrap_init(struct pmic_wrappe pwrap_writel(wrp, 0x1, PWRAP_CRC_EN); pwrap_writel(wrp, 0x0, PWRAP_SIG_MODE); pwrap_writel(wrp, PWRAP_DEW_CRC_VAL, PWRAP_SIG_ADR); @@ -73,7 +71,7 @@ index 0d9b19a..340c4b5 100644 if (pwrap_is_mt8135(wrp)) pwrap_writel(wrp, 0x7, PWRAP_RRARB_EN); -@@ -836,7 +834,6 @@ static int pwrap_probe(struct platform_device *pdev) +@@ -836,7 +834,6 @@ static int pwrap_probe(struct platform_d struct device_node *np = pdev->dev.of_node; const struct of_device_id *of_id = of_match_device(of_pwrap_match_tbl, &pdev->dev); @@ -81,7 +79,7 @@ index 0d9b19a..340c4b5 100644 struct resource *res; wrp = devm_kzalloc(&pdev->dev, sizeof(*wrp), GFP_KERNEL); -@@ -845,10 +842,7 @@ static int pwrap_probe(struct platform_device *pdev) +@@ -845,10 +842,7 @@ static int pwrap_probe(struct platform_d platform_set_drvdata(pdev, wrp); @@ -93,6 +91,3 @@ index 0d9b19a..340c4b5 100644 wrp->dev = &pdev->dev; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pwrap"); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0033-soc-mediatek-PMIC-wrap-add-wrapper-callbacks-for-ini.patch b/target/linux/mediatek/patches-4.4/0033-soc-mediatek-PMIC-wrap-add-wrapper-callbacks-for-ini.patch index 9b37004c46..9368a85f82 100644 --- a/target/linux/mediatek/patches-4.4/0033-soc-mediatek-PMIC-wrap-add-wrapper-callbacks-for-ini.patch +++ b/target/linux/mediatek/patches-4.4/0033-soc-mediatek-PMIC-wrap-add-wrapper-callbacks-for-ini.patch @@ -1,7 +1,7 @@ -From 35d879d80437cc6ed811538903e115dbcda777ac Mon Sep 17 00:00:00 2001 +From 756b919b7874cc241a276b4fc5bbec5b3fb4bca8 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 20 Jan 2016 05:27:17 +0100 -Subject: [PATCH 33/91] soc: mediatek: PMIC wrap: add wrapper callbacks for +Subject: [PATCH 033/102] soc: mediatek: PMIC wrap: add wrapper callbacks for init_reg_clock Split init_reg_clock up into SoC specific callbacks. The patch also @@ -12,8 +12,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/soc/mediatek/mtk-pmic-wrap.c | 70 ++++++++++++++++++---------------- 1 file changed, 38 insertions(+), 32 deletions(-) -diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c -index 340c4b5..b22b664 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -354,24 +354,6 @@ enum pwrap_type { @@ -55,7 +53,7 @@ index 340c4b5..b22b664 100644 static inline int pwrap_is_mt8135(struct pmic_wrapper *wrp) { return wrp->master->type == PWRAP_MT8135; -@@ -578,20 +567,23 @@ static int pwrap_init_sidly(struct pmic_wrapper *wrp) +@@ -578,20 +567,23 @@ static int pwrap_init_sidly(struct pmic_ return 0; } @@ -92,7 +90,7 @@ index 340c4b5..b22b664 100644 return 0; } -@@ -699,7 +691,7 @@ static int pwrap_init(struct pmic_wrapper *wrp) +@@ -699,7 +691,7 @@ static int pwrap_init(struct pmic_wrappe pwrap_writel(wrp, 1, PWRAP_WACS2_EN); @@ -101,7 +99,7 @@ index 340c4b5..b22b664 100644 if (ret) return ret; -@@ -814,6 +806,20 @@ static const struct regmap_config pwrap_regmap_config = { +@@ -814,6 +806,20 @@ static const struct regmap_config pwrap_ .max_register = 0xffff, }; @@ -122,6 +120,3 @@ index 340c4b5..b22b664 100644 static struct of_device_id of_pwrap_match_tbl[] = { { .compatible = "mediatek,mt8135-pwrap", --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0034-soc-mediatek-PMIC-wrap-split-SoC-specific-init-into-.patch b/target/linux/mediatek/patches-4.4/0034-soc-mediatek-PMIC-wrap-split-SoC-specific-init-into-.patch index cb90f1e82f..6d9c99a695 100644 --- a/target/linux/mediatek/patches-4.4/0034-soc-mediatek-PMIC-wrap-split-SoC-specific-init-into-.patch +++ b/target/linux/mediatek/patches-4.4/0034-soc-mediatek-PMIC-wrap-split-SoC-specific-init-into-.patch @@ -1,8 +1,8 @@ -From d82889cec95358b917fcf29fc3214980deb138b9 Mon Sep 17 00:00:00 2001 +From a1bbd630710d5da89a9c347c84d7badd30e7e68a Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 20 Jan 2016 10:12:00 +0100 -Subject: [PATCH 34/91] soc: mediatek: PMIC wrap: split SoC specific init into - callback +Subject: [PATCH 034/102] soc: mediatek: PMIC wrap: split SoC specific init + into callback This patch moves the SoC specific wrapper init code into separate callback to avoid pwrap_init() getting too large. This is done by adding a new @@ -16,8 +16,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/soc/mediatek/mtk-pmic-wrap.c | 67 +++++++++++++++++++++------------- 1 file changed, 42 insertions(+), 25 deletions(-) -diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c -index b22b664..22c89e9 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -372,6 +372,7 @@ struct pmic_wrapper_type { @@ -28,7 +26,7 @@ index b22b664..22c89e9 100644 }; static inline int pwrap_is_mt8135(struct pmic_wrapper *wrp) -@@ -665,6 +666,41 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) +@@ -665,6 +666,41 @@ static int pwrap_init_cipher(struct pmic return 0; } @@ -70,7 +68,7 @@ index b22b664..22c89e9 100644 static int pwrap_init(struct pmic_wrapper *wrp) { int ret; -@@ -743,31 +779,10 @@ static int pwrap_init(struct pmic_wrapper *wrp) +@@ -743,31 +779,10 @@ static int pwrap_init(struct pmic_wrappe pwrap_writel(wrp, 0x5, PWRAP_STAUPD_PRD); pwrap_writel(wrp, 0xff, PWRAP_STAUPD_GRPEN); @@ -106,7 +104,7 @@ index b22b664..22c89e9 100644 } /* Setup the init done registers */ -@@ -811,6 +826,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = { +@@ -811,6 +826,7 @@ static struct pmic_wrapper_type pwrap_mt .type = PWRAP_MT8135, .arb_en_all = 0x1ff, .init_reg_clock = pwrap_mt8135_init_reg_clock, @@ -114,7 +112,7 @@ index b22b664..22c89e9 100644 }; static struct pmic_wrapper_type pwrap_mt8173 = { -@@ -818,6 +834,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = { +@@ -818,6 +834,7 @@ static struct pmic_wrapper_type pwrap_mt .type = PWRAP_MT8173, .arb_en_all = 0x3f, .init_reg_clock = pwrap_mt8173_init_reg_clock, @@ -122,6 +120,3 @@ index b22b664..22c89e9 100644 }; static struct of_device_id of_pwrap_match_tbl[] = { --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0035-soc-mediatek-PMIC-wrap-WRAP_INT_EN-needs-a-different.patch b/target/linux/mediatek/patches-4.4/0035-soc-mediatek-PMIC-wrap-WRAP_INT_EN-needs-a-different.patch index 7a27a6c493..42fbe2e1ca 100644 --- a/target/linux/mediatek/patches-4.4/0035-soc-mediatek-PMIC-wrap-WRAP_INT_EN-needs-a-different.patch +++ b/target/linux/mediatek/patches-4.4/0035-soc-mediatek-PMIC-wrap-WRAP_INT_EN-needs-a-different.patch @@ -1,7 +1,7 @@ -From 613acba0068461948e6b5283df03d7c1e1583a40 Mon Sep 17 00:00:00 2001 +From 274fd9ba57170de88bbdf522cbd6c290c2e51fb8 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 20 Jan 2016 10:14:39 +0100 -Subject: [PATCH 35/91] soc: mediatek: PMIC wrap: WRAP_INT_EN needs a +Subject: [PATCH 035/102] soc: mediatek: PMIC wrap: WRAP_INT_EN needs a different bitmask for MT2701/7623 MT2701 and MT7623 use a different bitmask for PWRAP_INT_EN. @@ -11,8 +11,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/soc/mediatek/mtk-pmic-wrap.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) -diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c -index 22c89e9..9df1135 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -371,6 +371,7 @@ struct pmic_wrapper_type { @@ -23,7 +21,7 @@ index 22c89e9..9df1135 100644 int (*init_reg_clock)(struct pmic_wrapper *wrp); int (*init_soc_specific)(struct pmic_wrapper *wrp); }; -@@ -825,6 +826,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = { +@@ -825,6 +826,7 @@ static struct pmic_wrapper_type pwrap_mt .regs = mt8135_regs, .type = PWRAP_MT8135, .arb_en_all = 0x1ff, @@ -31,7 +29,7 @@ index 22c89e9..9df1135 100644 .init_reg_clock = pwrap_mt8135_init_reg_clock, .init_soc_specific = pwrap_mt8135_init_soc_specific, }; -@@ -833,6 +835,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = { +@@ -833,6 +835,7 @@ static struct pmic_wrapper_type pwrap_mt .regs = mt8173_regs, .type = PWRAP_MT8173, .arb_en_all = 0x3f, @@ -39,7 +37,7 @@ index 22c89e9..9df1135 100644 .init_reg_clock = pwrap_mt8173_init_reg_clock, .init_soc_specific = pwrap_mt8173_init_soc_specific, }; -@@ -946,7 +949,7 @@ static int pwrap_probe(struct platform_device *pdev) +@@ -946,7 +949,7 @@ static int pwrap_probe(struct platform_d PWRAP_WDT_SRC_MASK_NO_STAUPD : PWRAP_WDT_SRC_MASK_ALL; pwrap_writel(wrp, wdt_src, PWRAP_WDT_SRC_EN); pwrap_writel(wrp, 0x1, PWRAP_TIMER_EN); @@ -48,6 +46,3 @@ index 22c89e9..9df1135 100644 irq = platform_get_irq(pdev, 0); ret = devm_request_irq(wrp->dev, irq, pwrap_interrupt, IRQF_TRIGGER_HIGH, --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0036-soc-mediatek-PMIC-wrap-SPI_WRITE-needs-a-different-b.patch b/target/linux/mediatek/patches-4.4/0036-soc-mediatek-PMIC-wrap-SPI_WRITE-needs-a-different-b.patch index f88981c31e..a80bd731d9 100644 --- a/target/linux/mediatek/patches-4.4/0036-soc-mediatek-PMIC-wrap-SPI_WRITE-needs-a-different-b.patch +++ b/target/linux/mediatek/patches-4.4/0036-soc-mediatek-PMIC-wrap-SPI_WRITE-needs-a-different-b.patch @@ -1,8 +1,8 @@ -From 1186088ab86b7286e1920dcbfbbbf2627a0daeda Mon Sep 17 00:00:00 2001 +From 511e697282c6425950b95373ac8dc59a42fd2485 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 20 Jan 2016 10:21:42 +0100 -Subject: [PATCH 36/91] soc: mediatek: PMIC wrap: SPI_WRITE needs a different - bitmask for MT2701/7623 +Subject: [PATCH 036/102] soc: mediatek: PMIC wrap: SPI_WRITE needs a + different bitmask for MT2701/7623 Different SoCs will use different bitmask for the SPI_WRITE command. This patch defines the bitmask in the pmic_wrapper_type struct. This allows us @@ -13,8 +13,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/soc/mediatek/mtk-pmic-wrap.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) -diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c -index 9df1135..8ce1bad 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -372,6 +372,7 @@ struct pmic_wrapper_type { @@ -25,7 +23,7 @@ index 9df1135..8ce1bad 100644 int (*init_reg_clock)(struct pmic_wrapper *wrp); int (*init_soc_specific)(struct pmic_wrapper *wrp); }; -@@ -511,15 +512,15 @@ static int pwrap_reset_spislave(struct pmic_wrapper *wrp) +@@ -511,15 +512,15 @@ static int pwrap_reset_spislave(struct p pwrap_writel(wrp, 1, PWRAP_MAN_EN); pwrap_writel(wrp, 0, PWRAP_DIO_EN); @@ -45,7 +43,7 @@ index 9df1135..8ce1bad 100644 PWRAP_MAN_CMD); ret = pwrap_wait_for_state(wrp, pwrap_is_sync_idle); -@@ -827,6 +828,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = { +@@ -827,6 +828,7 @@ static struct pmic_wrapper_type pwrap_mt .type = PWRAP_MT8135, .arb_en_all = 0x1ff, .int_en_all = ~(BIT(31) | BIT(1)), @@ -53,7 +51,7 @@ index 9df1135..8ce1bad 100644 .init_reg_clock = pwrap_mt8135_init_reg_clock, .init_soc_specific = pwrap_mt8135_init_soc_specific, }; -@@ -836,6 +838,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = { +@@ -836,6 +838,7 @@ static struct pmic_wrapper_type pwrap_mt .type = PWRAP_MT8173, .arb_en_all = 0x3f, .int_en_all = ~(BIT(31) | BIT(1)), @@ -61,6 +59,3 @@ index 9df1135..8ce1bad 100644 .init_reg_clock = pwrap_mt8173_init_reg_clock, .init_soc_specific = pwrap_mt8173_init_soc_specific, }; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0037-soc-mediatek-PMIC-wrap-move-wdt_src-into-the-pmic_wr.patch b/target/linux/mediatek/patches-4.4/0037-soc-mediatek-PMIC-wrap-move-wdt_src-into-the-pmic_wr.patch index cccbe1034f..1e2c587605 100644 --- a/target/linux/mediatek/patches-4.4/0037-soc-mediatek-PMIC-wrap-move-wdt_src-into-the-pmic_wr.patch +++ b/target/linux/mediatek/patches-4.4/0037-soc-mediatek-PMIC-wrap-move-wdt_src-into-the-pmic_wr.patch @@ -1,7 +1,7 @@ -From 95f72db32afd545b88eaa04802736f1f84242a9f Mon Sep 17 00:00:00 2001 +From 6aecbc79322efd3068c6140f74a68654fbe5b5f6 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 20 Jan 2016 10:48:35 +0100 -Subject: [PATCH 37/91] soc: mediatek: PMIC wrap: move wdt_src into the +Subject: [PATCH 037/102] soc: mediatek: PMIC wrap: move wdt_src into the pmic_wrapper_type struct Different SoCs will use different bitmask for the wdt_src. This patch @@ -13,8 +13,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/soc/mediatek/mtk-pmic-wrap.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) -diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c -index 8ce1bad..aa54df3 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -373,6 +373,7 @@ struct pmic_wrapper_type { @@ -25,7 +23,7 @@ index 8ce1bad..aa54df3 100644 int (*init_reg_clock)(struct pmic_wrapper *wrp); int (*init_soc_specific)(struct pmic_wrapper *wrp); }; -@@ -829,6 +830,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = { +@@ -829,6 +830,7 @@ static struct pmic_wrapper_type pwrap_mt .arb_en_all = 0x1ff, .int_en_all = ~(BIT(31) | BIT(1)), .spi_w = PWRAP_MAN_CMD_SPI_WRITE, @@ -33,7 +31,7 @@ index 8ce1bad..aa54df3 100644 .init_reg_clock = pwrap_mt8135_init_reg_clock, .init_soc_specific = pwrap_mt8135_init_soc_specific, }; -@@ -839,6 +841,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = { +@@ -839,6 +841,7 @@ static struct pmic_wrapper_type pwrap_mt .arb_en_all = 0x3f, .int_en_all = ~(BIT(31) | BIT(1)), .spi_w = PWRAP_MAN_CMD_SPI_WRITE, @@ -41,7 +39,7 @@ index 8ce1bad..aa54df3 100644 .init_reg_clock = pwrap_mt8173_init_reg_clock, .init_soc_specific = pwrap_mt8173_init_soc_specific, }; -@@ -858,7 +861,7 @@ MODULE_DEVICE_TABLE(of, of_pwrap_match_tbl); +@@ -858,7 +861,7 @@ MODULE_DEVICE_TABLE(of, of_pwrap_match_t static int pwrap_probe(struct platform_device *pdev) { @@ -50,7 +48,7 @@ index 8ce1bad..aa54df3 100644 struct pmic_wrapper *wrp; struct device_node *np = pdev->dev.of_node; const struct of_device_id *of_id = -@@ -948,9 +951,7 @@ static int pwrap_probe(struct platform_device *pdev) +@@ -948,9 +951,7 @@ static int pwrap_probe(struct platform_d * Since STAUPD was not used on mt8173 platform, * so STAUPD of WDT_SRC which should be turned off */ @@ -61,6 +59,3 @@ index 8ce1bad..aa54df3 100644 pwrap_writel(wrp, 0x1, PWRAP_TIMER_EN); pwrap_writel(wrp, wrp->master->int_en_all, PWRAP_INT_EN); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0038-soc-mediatek-PMIC-wrap-remove-pwrap_is_mt8135-and-pw.patch b/target/linux/mediatek/patches-4.4/0038-soc-mediatek-PMIC-wrap-remove-pwrap_is_mt8135-and-pw.patch index 7f8a2930a5..001793f585 100644 --- a/target/linux/mediatek/patches-4.4/0038-soc-mediatek-PMIC-wrap-remove-pwrap_is_mt8135-and-pw.patch +++ b/target/linux/mediatek/patches-4.4/0038-soc-mediatek-PMIC-wrap-remove-pwrap_is_mt8135-and-pw.patch @@ -1,8 +1,8 @@ -From bb19fd13b1ed629873ea144b22c4764aa4baa5ef Mon Sep 17 00:00:00 2001 +From da09b34ad22e8f065a02af114668f7d86357244a Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 20 Jan 2016 10:54:18 +0100 -Subject: [PATCH 38/91] soc: mediatek: PMIC wrap: remove pwrap_is_mt8135() and - pwrap_is_mt8173() +Subject: [PATCH 038/102] soc: mediatek: PMIC wrap: remove pwrap_is_mt8135() + and pwrap_is_mt8173() With more SoCs being added the list of helper functions like these would grow. To mitigate this problem we remove the existing helpers and change @@ -18,8 +18,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/soc/mediatek/mtk-pmic-wrap.c | 28 ++++++++++++---------------- 1 file changed, 12 insertions(+), 16 deletions(-) -diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c -index aa54df3..a2bacda 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -374,20 +374,11 @@ struct pmic_wrapper_type { @@ -44,7 +42,7 @@ index aa54df3..a2bacda 100644 static u32 pwrap_readl(struct pmic_wrapper *wrp, enum pwrap_regs reg) { return readl(wrp->base + wrp->master->regs[reg]); -@@ -619,11 +610,14 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) +@@ -619,11 +610,14 @@ static int pwrap_init_cipher(struct pmic pwrap_writel(wrp, 0x1, PWRAP_CIPHER_KEY_SEL); pwrap_writel(wrp, 0x2, PWRAP_CIPHER_IV_SEL); @@ -61,7 +59,7 @@ index aa54df3..a2bacda 100644 } /* Config cipher mode @PMIC */ -@@ -713,7 +707,7 @@ static int pwrap_init(struct pmic_wrapper *wrp) +@@ -713,7 +707,7 @@ static int pwrap_init(struct pmic_wrappe if (wrp->rstc_bridge) reset_control_reset(wrp->rstc_bridge); @@ -70,7 +68,7 @@ index aa54df3..a2bacda 100644 /* Enable DCM */ pwrap_writel(wrp, 3, PWRAP_DCM_EN); pwrap_writel(wrp, 0, PWRAP_DCM_DBC_PRD); -@@ -773,7 +767,7 @@ static int pwrap_init(struct pmic_wrapper *wrp) +@@ -773,7 +767,7 @@ static int pwrap_init(struct pmic_wrappe pwrap_writel(wrp, PWRAP_DEW_CRC_VAL, PWRAP_SIG_ADR); pwrap_writel(wrp, wrp->master->arb_en_all, PWRAP_HIPRIO_ARB_EN); @@ -79,7 +77,7 @@ index aa54df3..a2bacda 100644 pwrap_writel(wrp, 0x7, PWRAP_RRARB_EN); pwrap_writel(wrp, 0x1, PWRAP_WACS0_EN); -@@ -793,7 +787,7 @@ static int pwrap_init(struct pmic_wrapper *wrp) +@@ -793,7 +787,7 @@ static int pwrap_init(struct pmic_wrappe pwrap_writel(wrp, 1, PWRAP_INIT_DONE0); pwrap_writel(wrp, 1, PWRAP_INIT_DONE1); @@ -88,7 +86,7 @@ index aa54df3..a2bacda 100644 writel(1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INIT_DONE3); writel(1, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INIT_DONE4); } -@@ -831,6 +825,7 @@ static struct pmic_wrapper_type pwrap_mt8135 = { +@@ -831,6 +825,7 @@ static struct pmic_wrapper_type pwrap_mt .int_en_all = ~(BIT(31) | BIT(1)), .spi_w = PWRAP_MAN_CMD_SPI_WRITE, .wdt_src = PWRAP_WDT_SRC_MASK_ALL, @@ -96,7 +94,7 @@ index aa54df3..a2bacda 100644 .init_reg_clock = pwrap_mt8135_init_reg_clock, .init_soc_specific = pwrap_mt8135_init_soc_specific, }; -@@ -842,6 +837,7 @@ static struct pmic_wrapper_type pwrap_mt8173 = { +@@ -842,6 +837,7 @@ static struct pmic_wrapper_type pwrap_mt .int_en_all = ~(BIT(31) | BIT(1)), .spi_w = PWRAP_MAN_CMD_SPI_WRITE, .wdt_src = PWRAP_WDT_SRC_MASK_NO_STAUPD, @@ -104,7 +102,7 @@ index aa54df3..a2bacda 100644 .init_reg_clock = pwrap_mt8173_init_reg_clock, .init_soc_specific = pwrap_mt8173_init_soc_specific, }; -@@ -889,7 +885,7 @@ static int pwrap_probe(struct platform_device *pdev) +@@ -889,7 +885,7 @@ static int pwrap_probe(struct platform_d return ret; } @@ -113,6 +111,3 @@ index aa54df3..a2bacda 100644 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pwrap-bridge"); wrp->bridge_base = devm_ioremap_resource(wrp->dev, res); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0039-soc-mediatek-PMIC-wrap-add-a-slave-specific-struct.patch b/target/linux/mediatek/patches-4.4/0039-soc-mediatek-PMIC-wrap-add-a-slave-specific-struct.patch index 5fb66dbb5c..dea271af66 100644 --- a/target/linux/mediatek/patches-4.4/0039-soc-mediatek-PMIC-wrap-add-a-slave-specific-struct.patch +++ b/target/linux/mediatek/patches-4.4/0039-soc-mediatek-PMIC-wrap-add-a-slave-specific-struct.patch @@ -1,7 +1,8 @@ -From daa4d054bb0557799c8b324d7aa5f0a3a4a7b078 Mon Sep 17 00:00:00 2001 +From 21bdcd324f769545b1765fe391d939a1edd07cbb Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 20 Jan 2016 09:55:08 +0100 -Subject: [PATCH 39/91] soc: mediatek: PMIC wrap: add a slave specific struct +Subject: [PATCH 039/102] soc: mediatek: PMIC wrap: add a slave specific + struct This patch adds a new struct pwrap_slv_type that we use to store the slave specific data. The patch adds 2 new helper functions to access the dew @@ -12,8 +13,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/soc/mediatek/mtk-pmic-wrap.c | 159 ++++++++++++++++++++++++---------- 1 file changed, 112 insertions(+), 47 deletions(-) -diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c -index a2bacda..bcc841e 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -69,33 +69,54 @@ @@ -125,7 +124,7 @@ index a2bacda..bcc841e 100644 struct clk *clk_spi; struct clk *clk_wrap; struct reset_control *rstc; -@@ -544,7 +575,8 @@ static int pwrap_init_sidly(struct pmic_wrapper *wrp) +@@ -544,7 +575,8 @@ static int pwrap_init_sidly(struct pmic_ for (i = 0; i < 4; i++) { pwrap_writel(wrp, i, PWRAP_SIDLY); @@ -135,7 +134,7 @@ index a2bacda..bcc841e 100644 if (rdata == PWRAP_DEW_READ_TEST_VAL) { dev_dbg(wrp->dev, "[Read Test] pass, SIDLY=%x\n", i); pass |= 1 << i; -@@ -593,7 +625,8 @@ static bool pwrap_is_pmic_cipher_ready(struct pmic_wrapper *wrp) +@@ -593,7 +625,8 @@ static bool pwrap_is_pmic_cipher_ready(s u32 rdata; int ret; @@ -145,7 +144,7 @@ index a2bacda..bcc841e 100644 if (ret) return 0; -@@ -621,12 +654,12 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) +@@ -621,12 +654,12 @@ static int pwrap_init_cipher(struct pmic } /* Config cipher mode @PMIC */ @@ -164,7 +163,7 @@ index a2bacda..bcc841e 100644 /* wait for cipher data ready@AP */ ret = pwrap_wait_for_state(wrp, pwrap_is_cipher_ready); -@@ -643,7 +676,7 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) +@@ -643,7 +676,7 @@ static int pwrap_init_cipher(struct pmic } /* wait for cipher mode idle */ @@ -173,7 +172,7 @@ index a2bacda..bcc841e 100644 ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle_and_sync_idle); if (ret) { dev_err(wrp->dev, "cipher mode idle fail, ret=%d\n", ret); -@@ -653,9 +686,11 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) +@@ -653,9 +686,11 @@ static int pwrap_init_cipher(struct pmic pwrap_writel(wrp, 1, PWRAP_CIPHER_MODE); /* Write Test */ @@ -188,7 +187,7 @@ index a2bacda..bcc841e 100644 dev_err(wrp->dev, "rdata=0x%04X\n", rdata); return -EFAULT; } -@@ -677,8 +712,10 @@ static int pwrap_mt8135_init_soc_specific(struct pmic_wrapper *wrp) +@@ -677,8 +712,10 @@ static int pwrap_mt8135_init_soc_specifi writel(0x7ff, wrp->bridge_base + PWRAP_MT8135_BRIDGE_INT_EN); /* enable PMIC event out and sources */ @@ -201,7 +200,7 @@ index a2bacda..bcc841e 100644 dev_err(wrp->dev, "enable dewrap fail\n"); return -EFAULT; } -@@ -689,8 +726,10 @@ static int pwrap_mt8135_init_soc_specific(struct pmic_wrapper *wrp) +@@ -689,8 +726,10 @@ static int pwrap_mt8135_init_soc_specifi static int pwrap_mt8173_init_soc_specific(struct pmic_wrapper *wrp) { /* PMIC_DEWRAP enables */ @@ -214,7 +213,7 @@ index a2bacda..bcc841e 100644 dev_err(wrp->dev, "enable dewrap fail\n"); return -EFAULT; } -@@ -734,7 +773,7 @@ static int pwrap_init(struct pmic_wrapper *wrp) +@@ -734,7 +773,7 @@ static int pwrap_init(struct pmic_wrappe return ret; /* Enable dual IO mode */ @@ -223,7 +222,7 @@ index a2bacda..bcc841e 100644 /* Check IDLE & INIT_DONE in advance */ ret = pwrap_wait_for_state(wrp, pwrap_is_fsm_idle_and_sync_idle); -@@ -746,7 +785,7 @@ static int pwrap_init(struct pmic_wrapper *wrp) +@@ -746,7 +785,7 @@ static int pwrap_init(struct pmic_wrappe pwrap_writel(wrp, 1, PWRAP_DIO_EN); /* Read Test */ @@ -232,7 +231,7 @@ index a2bacda..bcc841e 100644 if (rdata != PWRAP_DEW_READ_TEST_VAL) { dev_err(wrp->dev, "Read test failed after switch to DIO mode: 0x%04x != 0x%04x\n", PWRAP_DEW_READ_TEST_VAL, rdata); -@@ -759,12 +798,13 @@ static int pwrap_init(struct pmic_wrapper *wrp) +@@ -759,12 +798,13 @@ static int pwrap_init(struct pmic_wrappe return ret; /* Signature checking - using CRC */ @@ -248,7 +247,7 @@ index a2bacda..bcc841e 100644 pwrap_writel(wrp, wrp->master->arb_en_all, PWRAP_HIPRIO_ARB_EN); if (wrp->master->type == PWRAP_MT8135) -@@ -818,6 +858,21 @@ static const struct regmap_config pwrap_regmap_config = { +@@ -818,6 +858,21 @@ static const struct regmap_config pwrap_ .max_register = 0xffff, }; @@ -270,7 +269,7 @@ index a2bacda..bcc841e 100644 static struct pmic_wrapper_type pwrap_mt8135 = { .regs = mt8135_regs, .type = PWRAP_MT8135, -@@ -862,8 +917,17 @@ static int pwrap_probe(struct platform_device *pdev) +@@ -862,8 +917,17 @@ static int pwrap_probe(struct platform_d struct device_node *np = pdev->dev.of_node; const struct of_device_id *of_id = of_match_device(of_pwrap_match_tbl, &pdev->dev); @@ -288,7 +287,7 @@ index a2bacda..bcc841e 100644 wrp = devm_kzalloc(&pdev->dev, sizeof(*wrp), GFP_KERNEL); if (!wrp) return -ENOMEM; -@@ -871,6 +935,7 @@ static int pwrap_probe(struct platform_device *pdev) +@@ -871,6 +935,7 @@ static int pwrap_probe(struct platform_d platform_set_drvdata(pdev, wrp); wrp->master = of_id->data; @@ -296,6 +295,3 @@ index a2bacda..bcc841e 100644 wrp->dev = &pdev->dev; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pwrap"); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0040-soc-mediatek-PMIC-wrap-add-mt6323-slave-support.patch b/target/linux/mediatek/patches-4.4/0040-soc-mediatek-PMIC-wrap-add-mt6323-slave-support.patch index 509ba3346c..51f06288fb 100644 --- a/target/linux/mediatek/patches-4.4/0040-soc-mediatek-PMIC-wrap-add-mt6323-slave-support.patch +++ b/target/linux/mediatek/patches-4.4/0040-soc-mediatek-PMIC-wrap-add-mt6323-slave-support.patch @@ -1,7 +1,7 @@ -From 15143b59a26a06e890e2ba3c9944b3f751ce39bd Mon Sep 17 00:00:00 2001 +From 4418ba9a0bb105f00259d10ceb16f9e27199e9b0 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 20 Jan 2016 11:40:43 +0100 -Subject: [PATCH 40/91] soc: mediatek: PMIC wrap: add mt6323 slave support +Subject: [PATCH 040/102] soc: mediatek: PMIC wrap: add mt6323 slave support Add support for MT6323 slaves. This PMIC can be found on MT2701 and MT7623 EVB. The only function that we need to touch is pwrap_init_cipher(). @@ -11,8 +11,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/soc/mediatek/mtk-pmic-wrap.c | 43 ++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) -diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c -index bcc841e..0e4ebb8 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -93,6 +93,27 @@ enum dew_regs { @@ -51,7 +49,7 @@ index bcc841e..0e4ebb8 100644 PMIC_MT6397, }; -@@ -661,6 +683,19 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) +@@ -661,6 +683,19 @@ static int pwrap_init_cipher(struct pmic pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_LOAD], 0x1); pwrap_write(wrp, wrp->slave->dew_regs[PWRAP_DEW_CIPHER_START], 0x1); @@ -71,7 +69,7 @@ index bcc841e..0e4ebb8 100644 /* wait for cipher data ready@AP */ ret = pwrap_wait_for_state(wrp, pwrap_is_cipher_ready); if (ret) { -@@ -858,6 +893,11 @@ static const struct regmap_config pwrap_regmap_config = { +@@ -858,6 +893,11 @@ static const struct regmap_config pwrap_ .max_register = 0xffff, }; @@ -83,7 +81,7 @@ index bcc841e..0e4ebb8 100644 static const struct pwrap_slv_type pmic_mt6397 = { .dew_regs = mt6397_regs, .type = PMIC_MT6397, -@@ -865,6 +905,9 @@ static const struct pwrap_slv_type pmic_mt6397 = { +@@ -865,6 +905,9 @@ static const struct pwrap_slv_type pmic_ static const struct of_device_id of_slave_match_tbl[] = { { @@ -93,6 +91,3 @@ index bcc841e..0e4ebb8 100644 .compatible = "mediatek,mt6397", .data = &pmic_mt6397, }, { --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0041-soc-mediatek-PMIC-wrap-add-MT2701-7623-support.patch b/target/linux/mediatek/patches-4.4/0041-soc-mediatek-PMIC-wrap-add-MT2701-7623-support.patch index b575405ab6..a50a34af6a 100644 --- a/target/linux/mediatek/patches-4.4/0041-soc-mediatek-PMIC-wrap-add-MT2701-7623-support.patch +++ b/target/linux/mediatek/patches-4.4/0041-soc-mediatek-PMIC-wrap-add-MT2701-7623-support.patch @@ -1,7 +1,7 @@ -From 2f5df30a7b913069c8fce22dc702e0d7c76ef361 Mon Sep 17 00:00:00 2001 +From 7736d97fe2c6c71c9009a1b45a94de06bfc94a37 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 20 Jan 2016 12:09:14 +0100 -Subject: [PATCH 41/91] soc: mediatek: PMIC wrap: add MT2701/7623 support +Subject: [PATCH 041/102] soc: mediatek: PMIC wrap: add MT2701/7623 support Add the registers, callbacks and data structures required to make the wrapper work on MT2701 and MT7623. @@ -11,8 +11,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/soc/mediatek/mtk-pmic-wrap.c | 154 ++++++++++++++++++++++++++++++++++ 1 file changed, 154 insertions(+) -diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c -index 0e4ebb8..3c3e56d 100644 --- a/drivers/soc/mediatek/mtk-pmic-wrap.c +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c @@ -52,6 +52,7 @@ @@ -138,7 +136,7 @@ index 0e4ebb8..3c3e56d 100644 PWRAP_MT8135, PWRAP_MT8173, }; -@@ -637,6 +732,31 @@ static int pwrap_mt8173_init_reg_clock(struct pmic_wrapper *wrp) +@@ -637,6 +732,31 @@ static int pwrap_mt8173_init_reg_clock(s return 0; } @@ -170,7 +168,7 @@ index 0e4ebb8..3c3e56d 100644 static bool pwrap_is_cipher_ready(struct pmic_wrapper *wrp) { return pwrap_readl(wrp, PWRAP_CIPHER_RDY) & 1; -@@ -670,6 +790,7 @@ static int pwrap_init_cipher(struct pmic_wrapper *wrp) +@@ -670,6 +790,7 @@ static int pwrap_init_cipher(struct pmic pwrap_writel(wrp, 1, PWRAP_CIPHER_LOAD); pwrap_writel(wrp, 1, PWRAP_CIPHER_START); break; @@ -178,7 +176,7 @@ index 0e4ebb8..3c3e56d 100644 case PWRAP_MT8173: pwrap_writel(wrp, 1, PWRAP_CIPHER_EN); break; -@@ -772,6 +893,24 @@ static int pwrap_mt8173_init_soc_specific(struct pmic_wrapper *wrp) +@@ -772,6 +893,24 @@ static int pwrap_mt8173_init_soc_specifi return 0; } @@ -203,7 +201,7 @@ index 0e4ebb8..3c3e56d 100644 static int pwrap_init(struct pmic_wrapper *wrp) { int ret; -@@ -916,6 +1055,18 @@ static const struct of_device_id of_slave_match_tbl[] = { +@@ -916,6 +1055,18 @@ static const struct of_device_id of_slav }; MODULE_DEVICE_TABLE(of, of_slave_match_tbl); @@ -222,7 +220,7 @@ index 0e4ebb8..3c3e56d 100644 static struct pmic_wrapper_type pwrap_mt8135 = { .regs = mt8135_regs, .type = PWRAP_MT8135, -@@ -942,6 +1093,9 @@ static struct pmic_wrapper_type pwrap_mt8173 = { +@@ -942,6 +1093,9 @@ static struct pmic_wrapper_type pwrap_mt static struct of_device_id of_pwrap_match_tbl[] = { { @@ -232,6 +230,3 @@ index 0e4ebb8..3c3e56d 100644 .compatible = "mediatek,mt8135-pwrap", .data = &pwrap_mt8135, }, { --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0042-dt-bindings-mfd-Add-bindings-for-the-MediaTek-MT6323.patch b/target/linux/mediatek/patches-4.4/0042-dt-bindings-mfd-Add-bindings-for-the-MediaTek-MT6323.patch index ffb0580c3e..701ee67bad 100644 --- a/target/linux/mediatek/patches-4.4/0042-dt-bindings-mfd-Add-bindings-for-the-MediaTek-MT6323.patch +++ b/target/linux/mediatek/patches-4.4/0042-dt-bindings-mfd-Add-bindings-for-the-MediaTek-MT6323.patch @@ -1,8 +1,8 @@ -From edc6e6a2f10f7b7fc94dc6147c86520e5a439d16 Mon Sep 17 00:00:00 2001 +From c14dc2993a272c706650502ec579ceabe5f2355e Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Sun, 10 Jan 2016 17:12:37 +0100 -Subject: [PATCH 42/91] dt-bindings: mfd: Add bindings for the MediaTek MT6323 - PMIC +Subject: [PATCH 042/102] dt-bindings: mfd: Add bindings for the MediaTek + MT6323 PMIC Signed-off-by: John Crispin <blogic@openwrt.org> Acked-by: Rob Herring <robh@kernel.org> @@ -11,8 +11,6 @@ Cc: devicetree@vger.kernel.org Documentation/devicetree/bindings/mfd/mt6397.txt | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) -diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt -index 15043e6..949c85f 100644 --- a/Documentation/devicetree/bindings/mfd/mt6397.txt +++ b/Documentation/devicetree/bindings/mfd/mt6397.txt @@ -1,6 +1,6 @@ @@ -24,7 +22,7 @@ index 15043e6..949c85f 100644 - Regulator - RTC - Audio codec -@@ -8,14 +8,14 @@ MT6397 is a multifunction device with the following sub modules: +@@ -8,14 +8,14 @@ MT6397 is a multifunction device with th - Clock It is interfaced to host controller using SPI interface by a proprietary hardware @@ -50,6 +48,3 @@ index 15043e6..949c85f 100644 - codec Required properties: - compatible: "mediatek,mt6397-codec" --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0043-mfd-mt6397-int_con-and-int_status-may-vary-in-locati.patch b/target/linux/mediatek/patches-4.4/0043-mfd-mt6397-int_con-and-int_status-may-vary-in-locati.patch index 16be0ba09a..6b433b0dfa 100644 --- a/target/linux/mediatek/patches-4.4/0043-mfd-mt6397-int_con-and-int_status-may-vary-in-locati.patch +++ b/target/linux/mediatek/patches-4.4/0043-mfd-mt6397-int_con-and-int_status-may-vary-in-locati.patch @@ -1,7 +1,7 @@ -From f97549172878651725a719a4fc4b610613fe5843 Mon Sep 17 00:00:00 2001 +From 8269ed007349714e9ef0e3408a68159d763145dd Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Fri, 8 Jan 2016 08:33:17 +0100 -Subject: [PATCH 43/91] mfd: mt6397: int_con and int_status may vary in +Subject: [PATCH 043/102] mfd: mt6397: int_con and int_status may vary in location MT6323 has the INT_CON and INT_STATUS located at a different position. @@ -13,11 +13,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> include/linux/mfd/mt6397/core.h | 2 ++ 2 files changed, 19 insertions(+), 10 deletions(-) -diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c -index 1749c1c..75ad0fe 100644 --- a/drivers/mfd/mt6397-core.c +++ b/drivers/mfd/mt6397-core.c -@@ -69,8 +69,10 @@ static void mt6397_irq_sync_unlock(struct irq_data *data) +@@ -69,8 +69,10 @@ static void mt6397_irq_sync_unlock(struc { struct mt6397_chip *mt6397 = irq_data_get_irq_chip_data(data); @@ -30,7 +28,7 @@ index 1749c1c..75ad0fe 100644 mutex_unlock(&mt6397->irqlock); } -@@ -147,8 +149,8 @@ static irqreturn_t mt6397_irq_thread(int irq, void *data) +@@ -147,8 +149,8 @@ static irqreturn_t mt6397_irq_thread(int { struct mt6397_chip *mt6397 = data; @@ -41,7 +39,7 @@ index 1749c1c..75ad0fe 100644 return IRQ_HANDLED; } -@@ -177,8 +179,8 @@ static int mt6397_irq_init(struct mt6397_chip *mt6397) +@@ -177,8 +179,8 @@ static int mt6397_irq_init(struct mt6397 mutex_init(&mt6397->irqlock); /* Mask all interrupt sources */ @@ -52,7 +50,7 @@ index 1749c1c..75ad0fe 100644 mt6397->irq_domain = irq_domain_add_linear(mt6397->dev->of_node, MT6397_IRQ_NR, &mt6397_irq_domain_ops, mt6397); -@@ -203,8 +205,8 @@ static int mt6397_irq_suspend(struct device *dev) +@@ -203,8 +205,8 @@ static int mt6397_irq_suspend(struct dev { struct mt6397_chip *chip = dev_get_drvdata(dev); @@ -63,7 +61,7 @@ index 1749c1c..75ad0fe 100644 enable_irq_wake(chip->irq); -@@ -215,8 +217,8 @@ static int mt6397_irq_resume(struct device *dev) +@@ -215,8 +217,8 @@ static int mt6397_irq_resume(struct devi { struct mt6397_chip *chip = dev_get_drvdata(dev); @@ -74,7 +72,7 @@ index 1749c1c..75ad0fe 100644 disable_irq_wake(chip->irq); -@@ -237,6 +239,11 @@ static int mt6397_probe(struct platform_device *pdev) +@@ -237,6 +239,11 @@ static int mt6397_probe(struct platform_ return -ENOMEM; mt6397->dev = &pdev->dev; @@ -86,8 +84,6 @@ index 1749c1c..75ad0fe 100644 /* * mt6397 MFD is child device of soc pmic wrapper. * Regmap is set from its parent. -diff --git a/include/linux/mfd/mt6397/core.h b/include/linux/mfd/mt6397/core.h -index 45b8e8a..d678f52 100644 --- a/include/linux/mfd/mt6397/core.h +++ b/include/linux/mfd/mt6397/core.h @@ -60,6 +60,8 @@ struct mt6397_chip { @@ -99,6 +95,3 @@ index 45b8e8a..d678f52 100644 }; #endif /* __MFD_MT6397_CORE_H__ */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0044-mfd-mt6397-add-support-for-different-Slave-types.patch b/target/linux/mediatek/patches-4.4/0044-mfd-mt6397-add-support-for-different-Slave-types.patch index cd69ac0065..bae05fb51b 100644 --- a/target/linux/mediatek/patches-4.4/0044-mfd-mt6397-add-support-for-different-Slave-types.patch +++ b/target/linux/mediatek/patches-4.4/0044-mfd-mt6397-add-support-for-different-Slave-types.patch @@ -1,15 +1,13 @@ -From 5fbdf1ebc267561781ce812793cd35e63fa39614 Mon Sep 17 00:00:00 2001 +From c6c447480e51301faa2254c7316ab075e20c4b0c Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Fri, 8 Jan 2016 08:41:52 +0100 -Subject: [PATCH 44/91] mfd: mt6397: add support for different Slave types +Subject: [PATCH 044/102] mfd: mt6397: add support for different Slave types Signed-off-by: John Crispin <blogic@openwrt.org> --- drivers/mfd/mt6397-core.c | 58 ++++++++++++++++++++++++++++++++------------- 1 file changed, 41 insertions(+), 17 deletions(-) -diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c -index 75ad0fe..aa91606 100644 --- a/drivers/mfd/mt6397-core.c +++ b/drivers/mfd/mt6397-core.c @@ -24,6 +24,9 @@ @@ -22,7 +20,7 @@ index 75ad0fe..aa91606 100644 static const struct resource mt6397_rtc_resources[] = { { .start = MT6397_RTC_BASE, -@@ -232,39 +235,60 @@ static SIMPLE_DEV_PM_OPS(mt6397_pm_ops, mt6397_irq_suspend, +@@ -232,39 +235,60 @@ static SIMPLE_DEV_PM_OPS(mt6397_pm_ops, static int mt6397_probe(struct platform_device *pdev) { int ret; @@ -100,6 +98,3 @@ index 75ad0fe..aa91606 100644 return ret; } --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0045-mfd-mt6397-add-MT6323-support-to-MT6397-driver.patch b/target/linux/mediatek/patches-4.4/0045-mfd-mt6397-add-MT6323-support-to-MT6397-driver.patch index 0f398cddde..d673a0a096 100644 --- a/target/linux/mediatek/patches-4.4/0045-mfd-mt6397-add-MT6323-support-to-MT6397-driver.patch +++ b/target/linux/mediatek/patches-4.4/0045-mfd-mt6397-add-MT6323-support-to-MT6397-driver.patch @@ -1,7 +1,7 @@ -From 2a1c7879d8c3eac4313abc011adbefbc50fd5f92 Mon Sep 17 00:00:00 2001 +From 0ae7153c9f00361c3e6dac9da0c2d994557953f5 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Fri, 8 Jan 2016 04:09:43 +0100 -Subject: [PATCH 45/91] mfd: mt6397: add MT6323 support to MT6397 driver +Subject: [PATCH 045/102] mfd: mt6397: add MT6323 support to MT6397 driver Signed-off-by: John Crispin <blogic@openwrt.org> --- @@ -12,8 +12,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> create mode 100644 include/linux/mfd/mt6323/core.h create mode 100644 include/linux/mfd/mt6323/registers.h -diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c -index aa91606..8234cd3 100644 --- a/drivers/mfd/mt6397-core.c +++ b/drivers/mfd/mt6397-core.c @@ -19,11 +19,14 @@ @@ -31,7 +29,7 @@ index aa91606..8234cd3 100644 #define MT6391_CID_CODE 0x91 #define MT6397_CID_CODE 0x97 -@@ -40,6 +43,13 @@ static const struct resource mt6397_rtc_resources[] = { +@@ -40,6 +43,13 @@ static const struct resource mt6397_rtc_ }, }; @@ -45,7 +43,7 @@ index aa91606..8234cd3 100644 static const struct mfd_cell mt6397_devs[] = { { .name = "mt6397-rtc", -@@ -261,6 +271,15 @@ static int mt6397_probe(struct platform_device *pdev) +@@ -261,6 +271,15 @@ static int mt6397_probe(struct platform_ } switch (id & 0xff) { @@ -61,7 +59,7 @@ index aa91606..8234cd3 100644 case MT6397_CID_CODE: case MT6391_CID_CODE: pmic->int_con[0] = MT6397_INT_CON0; -@@ -302,6 +321,7 @@ static int mt6397_remove(struct platform_device *pdev) +@@ -302,6 +321,7 @@ static int mt6397_remove(struct platform static const struct of_device_id mt6397_of_match[] = { { .compatible = "mediatek,mt6397" }, @@ -69,9 +67,6 @@ index aa91606..8234cd3 100644 { } }; MODULE_DEVICE_TABLE(of, mt6397_of_match); -diff --git a/include/linux/mfd/mt6323/core.h b/include/linux/mfd/mt6323/core.h -new file mode 100644 -index 0000000..06d0ec3 --- /dev/null +++ b/include/linux/mfd/mt6323/core.h @@ -0,0 +1,36 @@ @@ -111,9 +106,6 @@ index 0000000..06d0ec3 +}; + +#endif /* __MFD_MT6323_CORE_H__ */ -diff --git a/include/linux/mfd/mt6323/registers.h b/include/linux/mfd/mt6323/registers.h -new file mode 100644 -index 0000000..160f3c0 --- /dev/null +++ b/include/linux/mfd/mt6323/registers.h @@ -0,0 +1,408 @@ @@ -525,6 +517,3 @@ index 0000000..160f3c0 +#define MT6323_ACCDET_CON16 0x079A + +#endif /* __MFD_MT6323_REGISTERS_H__ */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0046-regulator-Add-document-for-MT6323-regulator.patch b/target/linux/mediatek/patches-4.4/0046-regulator-Add-document-for-MT6323-regulator.patch index d389e4b47d..d70631483a 100644 --- a/target/linux/mediatek/patches-4.4/0046-regulator-Add-document-for-MT6323-regulator.patch +++ b/target/linux/mediatek/patches-4.4/0046-regulator-Add-document-for-MT6323-regulator.patch @@ -1,7 +1,7 @@ -From 34177561c62ed881c862f9ece652ca1ca5994796 Mon Sep 17 00:00:00 2001 +From f536a600e0e20fd57475415ce5b3d909441d53b6 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Sun, 10 Jan 2016 17:31:46 +0100 -Subject: [PATCH 46/91] regulator: Add document for MT6323 regulator +Subject: [PATCH 046/102] regulator: Add document for MT6323 regulator Signed-off-by: John Crispin <blogic@openwrt.org> Cc: devicetree@vger.kernel.org @@ -10,9 +10,6 @@ Cc: devicetree@vger.kernel.org 1 file changed, 239 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/mt6323-regulator.txt -diff --git a/Documentation/devicetree/bindings/regulator/mt6323-regulator.txt b/Documentation/devicetree/bindings/regulator/mt6323-regulator.txt -new file mode 100644 -index 0000000..9fd95e7 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mt6323-regulator.txt @@ -0,0 +1,239 @@ @@ -255,6 +252,3 @@ index 0000000..9fd95e7 + }; + }; + }; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0047-regulator-mt6323-Add-support-for-MT6323-regulator.patch b/target/linux/mediatek/patches-4.4/0047-regulator-mt6323-Add-support-for-MT6323-regulator.patch index 170fcee452..6456c27dce 100644 --- a/target/linux/mediatek/patches-4.4/0047-regulator-mt6323-Add-support-for-MT6323-regulator.patch +++ b/target/linux/mediatek/patches-4.4/0047-regulator-mt6323-Add-support-for-MT6323-regulator.patch @@ -1,7 +1,7 @@ -From 2a33aa927dece6ac6d10caff48897c8ac6a66c1b Mon Sep 17 00:00:00 2001 +From 94c08223cd696d872cda7d9aa4e817956d0a0b84 Mon Sep 17 00:00:00 2001 From: Chen Zhong <chen.zhong@mediatek.com> Date: Fri, 8 Jan 2016 04:17:37 +0100 -Subject: [PATCH 47/91] regulator: mt6323: Add support for MT6323 regulator +Subject: [PATCH 047/102] regulator: mt6323: Add support for MT6323 regulator The MT6323 is a regulator found on boards based on MediaTek MT7623 and probably other SoCs. It is a so called pmic and connects as a slave to @@ -18,11 +18,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> create mode 100644 drivers/regulator/mt6323-regulator.c create mode 100644 include/linux/regulator/mt6323-regulator.h -diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig -index 8df0b0e..4aec931 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig -@@ -452,6 +452,15 @@ config REGULATOR_MT6311 +@@ -453,6 +453,15 @@ config REGULATOR_MT6311 This driver supports the control of different power rails of device through regulator interface. @@ -38,11 +36,9 @@ index 8df0b0e..4aec931 100644 config REGULATOR_MT6397 tristate "MediaTek MT6397 PMIC" depends on MFD_MT6397 -diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile -index 0f81749..b42a84e 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile -@@ -60,6 +60,7 @@ obj-$(CONFIG_REGULATOR_MC13783) += mc13783-regulator.o +@@ -60,6 +60,7 @@ obj-$(CONFIG_REGULATOR_MC13783) += mc137 obj-$(CONFIG_REGULATOR_MC13892) += mc13892-regulator.o obj-$(CONFIG_REGULATOR_MC13XXX_CORE) += mc13xxx-regulator-core.o obj-$(CONFIG_REGULATOR_MT6311) += mt6311-regulator.o @@ -50,9 +46,6 @@ index 0f81749..b42a84e 100644 obj-$(CONFIG_REGULATOR_MT6397) += mt6397-regulator.o obj-$(CONFIG_REGULATOR_QCOM_RPM) += qcom_rpm-regulator.o obj-$(CONFIG_REGULATOR_QCOM_SMD_RPM) += qcom_smd-regulator.o -diff --git a/drivers/regulator/mt6323-regulator.c b/drivers/regulator/mt6323-regulator.c -new file mode 100644 -index 0000000..28ebbda --- /dev/null +++ b/drivers/regulator/mt6323-regulator.c @@ -0,0 +1,432 @@ @@ -488,9 +481,6 @@ index 0000000..28ebbda +MODULE_AUTHOR("Chen Zhong <chen.zhong@mediatek.com>"); +MODULE_DESCRIPTION("Regulator Driver for MediaTek MT6397 PMIC"); +MODULE_LICENSE("GPL v2"); -diff --git a/include/linux/regulator/mt6323-regulator.h b/include/linux/regulator/mt6323-regulator.h -new file mode 100644 -index 0000000..67011cd --- /dev/null +++ b/include/linux/regulator/mt6323-regulator.h @@ -0,0 +1,52 @@ @@ -546,6 +536,3 @@ index 0000000..67011cd +#define MT6323_MAX_REGULATOR MT6323_ID_RG_MAX + +#endif /* __LINUX_REGULATOR_MT6323_H */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0048-net-next-mediatek-document-MediaTek-SoC-ethernet-bin.patch b/target/linux/mediatek/patches-4.4/0048-net-next-mediatek-document-MediaTek-SoC-ethernet-bin.patch index dd4ee9dac3..7d1e7422ea 100644 --- a/target/linux/mediatek/patches-4.4/0048-net-next-mediatek-document-MediaTek-SoC-ethernet-bin.patch +++ b/target/linux/mediatek/patches-4.4/0048-net-next-mediatek-document-MediaTek-SoC-ethernet-bin.patch @@ -1,7 +1,7 @@ -From caa2186644606dad07a603905ebabb8068828ebf Mon Sep 17 00:00:00 2001 +From 6efc8d9081b70dcf71d7e8efd7b51d48ee2541be Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 2 Mar 2016 07:18:52 +0100 -Subject: [PATCH 48/91] net-next: mediatek: document MediaTek SoC ethernet +Subject: [PATCH 048/102] net-next: mediatek: document MediaTek SoC ethernet binding This adds the binding documentation for the MediaTek Ethernet @@ -15,9 +15,6 @@ Cc: devicetree@vger.kernel.org 1 file changed, 77 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/mediatek-net.txt -diff --git a/Documentation/devicetree/bindings/net/mediatek-net.txt b/Documentation/devicetree/bindings/net/mediatek-net.txt -new file mode 100644 -index 0000000..5ca7929 --- /dev/null +++ b/Documentation/devicetree/bindings/net/mediatek-net.txt @@ -0,0 +1,77 @@ @@ -98,6 +95,3 @@ index 0000000..5ca7929 + }; + }; +}; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0049-net-next-mediatek-add-support-for-MT7623-ethernet.patch b/target/linux/mediatek/patches-4.4/0049-net-next-mediatek-add-support-for-MT7623-ethernet.patch index 5e12344785..85aa93d475 100644 --- a/target/linux/mediatek/patches-4.4/0049-net-next-mediatek-add-support-for-MT7623-ethernet.patch +++ b/target/linux/mediatek/patches-4.4/0049-net-next-mediatek-add-support-for-MT7623-ethernet.patch @@ -1,7 +1,7 @@ -From 412449bacdb46b548fd08af19148019e2e979294 Mon Sep 17 00:00:00 2001 +From 8cc84aa65121135d7b120ce71b4f10f81230c818 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 2 Mar 2016 04:27:10 +0100 -Subject: [PATCH 49/91] net-next: mediatek: add support for MT7623 ethernet +Subject: [PATCH 049/102] net-next: mediatek: add support for MT7623 ethernet Add ethernet support for MediaTek SoCs from the MT7623 family. These have dual GMAC. Depending on the exact version, there might be a built-in @@ -26,9 +26,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> create mode 100644 drivers/net/ethernet/mediatek/mtk_eth_soc.c create mode 100644 drivers/net/ethernet/mediatek/mtk_eth_soc.h -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -new file mode 100644 -index 0000000..ba3afa5 --- /dev/null +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -0,0 +1,1807 @@ @@ -1839,9 +1836,6 @@ index 0000000..ba3afa5 +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); +MODULE_DESCRIPTION("Ethernet driver for MediaTek SoC"); -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -new file mode 100644 -index 0000000..48a5292 --- /dev/null +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -0,0 +1,421 @@ @@ -2266,6 +2260,3 @@ index 0000000..48a5292 +u32 mtk_r32(struct mtk_eth *eth, unsigned reg); + +#endif /* MTK_ETH_H */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0050-net-next-mediatek-add-Kconfig-and-Makefile.patch b/target/linux/mediatek/patches-4.4/0050-net-next-mediatek-add-Kconfig-and-Makefile.patch index 506e3e4076..0c7a89e622 100644 --- a/target/linux/mediatek/patches-4.4/0050-net-next-mediatek-add-Kconfig-and-Makefile.patch +++ b/target/linux/mediatek/patches-4.4/0050-net-next-mediatek-add-Kconfig-and-Makefile.patch @@ -1,7 +1,7 @@ -From 8bc8e78ddec2c93d7fe3487dfdfeedd382e3b96f Mon Sep 17 00:00:00 2001 +From 31e907e5c3c2fc1c94d005bfccdd4a32b5a05f82 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 2 Mar 2016 04:32:43 +0100 -Subject: [PATCH 50/91] net-next: mediatek: add Kconfig and Makefile +Subject: [PATCH 050/102] net-next: mediatek: add Kconfig and Makefile This patch adds the Makefile and Kconfig required to make the driver build. @@ -15,8 +15,6 @@ Signed-off-by: John Crispin <blogic@openwrt.org> create mode 100644 drivers/net/ethernet/mediatek/Kconfig create mode 100644 drivers/net/ethernet/mediatek/Makefile -diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig -index 31c5e47..cd28b95 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -106,6 +106,7 @@ config LANTIQ_ETOP @@ -27,8 +25,6 @@ index 31c5e47..cd28b95 100644 source "drivers/net/ethernet/mellanox/Kconfig" source "drivers/net/ethernet/micrel/Kconfig" source "drivers/net/ethernet/microchip/Kconfig" -diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile -index 071f84e..c62191f 100644 --- a/drivers/net/ethernet/Makefile +++ b/drivers/net/ethernet/Makefile @@ -46,6 +46,7 @@ obj-$(CONFIG_JME) += jme.o @@ -39,9 +35,6 @@ index 071f84e..c62191f 100644 obj-$(CONFIG_NET_VENDOR_MELLANOX) += mellanox/ obj-$(CONFIG_NET_VENDOR_MICREL) += micrel/ obj-$(CONFIG_NET_VENDOR_MICROCHIP) += microchip/ -diff --git a/drivers/net/ethernet/mediatek/Kconfig b/drivers/net/ethernet/mediatek/Kconfig -new file mode 100644 -index 0000000..b0229f4 --- /dev/null +++ b/drivers/net/ethernet/mediatek/Kconfig @@ -0,0 +1,17 @@ @@ -62,9 +55,6 @@ index 0000000..b0229f4 + MediaTek MT2701/MT7623 chipset family. + +endif #NET_VENDOR_MEDIATEK -diff --git a/drivers/net/ethernet/mediatek/Makefile b/drivers/net/ethernet/mediatek/Makefile -new file mode 100644 -index 0000000..aa3f1c8 --- /dev/null +++ b/drivers/net/ethernet/mediatek/Makefile @@ -0,0 +1,5 @@ @@ -73,6 +63,3 @@ index 0000000..aa3f1c8 +# + +obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth_soc.o --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0051-net-next-mediatek-add-an-entry-to-MAINTAINERS.patch b/target/linux/mediatek/patches-4.4/0051-net-next-mediatek-add-an-entry-to-MAINTAINERS.patch index 4ceb356a08..0fc9b373e5 100644 --- a/target/linux/mediatek/patches-4.4/0051-net-next-mediatek-add-an-entry-to-MAINTAINERS.patch +++ b/target/linux/mediatek/patches-4.4/0051-net-next-mediatek-add-an-entry-to-MAINTAINERS.patch @@ -1,7 +1,7 @@ -From d9b93fb0d4021694a2b7e47981cd9de67e83aa05 Mon Sep 17 00:00:00 2001 +From 514e4ce65a5f1b5bfa3cbca153f672844f093f0e Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 2 Mar 2016 04:34:04 +0100 -Subject: [PATCH 51/91] net-next: mediatek: add an entry to MAINTAINERS +Subject: [PATCH 051/102] net-next: mediatek: add an entry to MAINTAINERS Add myself and Felix as the Maintainers for the MediaTek ethernet driver. @@ -11,11 +11,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> MAINTAINERS | 7 +++++++ 1 file changed, 7 insertions(+) -diff --git a/MAINTAINERS b/MAINTAINERS -index 156e1d3..7737042 100644 --- a/MAINTAINERS +++ b/MAINTAINERS -@@ -6908,6 +6908,13 @@ F: include/uapi/linux/meye.h +@@ -6907,6 +6907,13 @@ F: include/uapi/linux/meye.h F: include/uapi/linux/ivtv* F: include/uapi/linux/uvcvideo.h @@ -29,6 +27,3 @@ index 156e1d3..7737042 100644 MEDIATEK MT7601U WIRELESS LAN DRIVER M: Jakub Kicinski <kubakici@wp.pl> L: linux-wireless@vger.kernel.org --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0060-clk-dont-disable-unused-clocks.patch b/target/linux/mediatek/patches-4.4/0052-clk-dont-disable-unused-clocks.patch index ef425225f2..87e4a54ed3 100644 --- a/target/linux/mediatek/patches-4.4/0060-clk-dont-disable-unused-clocks.patch +++ b/target/linux/mediatek/patches-4.4/0052-clk-dont-disable-unused-clocks.patch @@ -1,15 +1,13 @@ -From cbcbd319d905cdcf4a71003b5634137fee03855b Mon Sep 17 00:00:00 2001 +From 5238c5d1d38661955ed3b52f45c46e00bfc9eb6e Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Thu, 7 Apr 2016 07:18:35 +0200 -Subject: [PATCH 60/91] clk: dont disable unused clocks +Subject: [PATCH 052/102] clk: dont disable unused clocks Signed-off-by: John Crispin <blogic@openwrt.org> --- drivers/clk/clk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c -index f13c3f4..5e9ddae 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -233,7 +233,7 @@ unlock_out: @@ -21,6 +19,3 @@ index f13c3f4..5e9ddae 100644 static int __init clk_ignore_unused_setup(char *__unused) { clk_ignore_unused = true; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0052-mtd-nand-add-an-mtd_to_nand-helper.patch b/target/linux/mediatek/patches-4.4/0052-mtd-nand-add-an-mtd_to_nand-helper.patch deleted file mode 100644 index 83e725a5cc..0000000000 --- a/target/linux/mediatek/patches-4.4/0052-mtd-nand-add-an-mtd_to_nand-helper.patch +++ /dev/null @@ -1,35 +0,0 @@ -From 69a0df9dd942799651a7ec06b3cfe7fc43b2e32a Mon Sep 17 00:00:00 2001 -From: Boris BREZILLON <boris.brezillon@free-electrons.com> -Date: Mon, 16 Nov 2015 14:37:35 +0100 -Subject: [PATCH 52/91] mtd: nand: add an mtd_to_nand() helper - -Some drivers are retrieving the nand_chip pointer using the container_of -macro on a struct wrapping both the nand_chip and the mtd_info struct while -the standard way of retrieving this pointer is through mtd->priv. -Provide an helper to do that. - -Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> -Signed-off-by: Brian Norris <computersforpeace@gmail.com> ---- - include/linux/mtd/nand.h | 5 +++++ - 1 file changed, 5 insertions(+) - -diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h -index 5a9d1d4..a4839b3 100644 ---- a/include/linux/mtd/nand.h -+++ b/include/linux/mtd/nand.h -@@ -719,6 +719,11 @@ struct nand_chip { - void *priv; - }; - -+static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd) -+{ -+ return mtd->priv; -+} -+ - /* - * NAND Flash Manufacturer ID Codes - */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0061-clk-mediatek-enable-critical-clocks.patch b/target/linux/mediatek/patches-4.4/0053-clk-mediatek-enable-critical-clocks.patch index b075a7465e..39939001f1 100644 --- a/target/linux/mediatek/patches-4.4/0061-clk-mediatek-enable-critical-clocks.patch +++ b/target/linux/mediatek/patches-4.4/0053-clk-mediatek-enable-critical-clocks.patch @@ -1,18 +1,16 @@ -From 6610fdbea393a4a8ed956b2aaf7012bea3a5069e Mon Sep 17 00:00:00 2001 +From c8fd103d6c07af5db47f061b70759b7c69169656 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Thu, 31 Mar 2016 06:46:51 +0200 -Subject: [PATCH 61/91] clk: mediatek: enable critical clocks +Subject: [PATCH 053/102] clk: mediatek: enable critical clocks Signed-off-by: John Crispin <blogic@openwrt.org> --- drivers/clk/mediatek/clk-mt2701.c | 22 ++++++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) -diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c -index 812b347..1634288 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c -@@ -573,6 +573,20 @@ static const struct mtk_gate top_clks[] __initconst = { +@@ -573,6 +573,20 @@ static const struct mtk_gate top_clks[] GATE_TOP_AUD(CLK_TOP_AUD_I2S6_MCLK, "aud_i2s6_mclk", "aud_k6_src_div", 28), }; @@ -33,7 +31,7 @@ index 812b347..1634288 100644 static void __init mtk_topckgen_init(struct device_node *node) { struct clk_onecell_data *clk_data; -@@ -585,7 +599,7 @@ static void __init mtk_topckgen_init(struct device_node *node) +@@ -585,7 +599,7 @@ static void __init mtk_topckgen_init(str return; } @@ -42,7 +40,7 @@ index 812b347..1634288 100644 mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks), clk_data); -@@ -606,6 +620,8 @@ static void __init mtk_topckgen_init(struct device_node *node) +@@ -606,6 +620,8 @@ static void __init mtk_topckgen_init(str if (r) pr_err("%s(): could not register clock provider: %d\n", __func__, r); @@ -51,7 +49,7 @@ index 812b347..1634288 100644 } CLK_OF_DECLARE(mtk_topckgen, "mediatek,mt2701-topckgen", mtk_topckgen_init); -@@ -1202,7 +1218,7 @@ static void __init mtk_apmixedsys_init(struct device_node *node) +@@ -1202,7 +1218,7 @@ static void __init mtk_apmixedsys_init(s struct clk_onecell_data *clk_data; int r; @@ -60,7 +58,7 @@ index 812b347..1634288 100644 if (!clk_data) return; -@@ -1213,6 +1229,8 @@ static void __init mtk_apmixedsys_init(struct device_node *node) +@@ -1213,6 +1229,8 @@ static void __init mtk_apmixedsys_init(s if (r) pr_err("%s(): could not register clock provider: %d\n", __func__, r); @@ -69,6 +67,3 @@ index 812b347..1634288 100644 } CLK_OF_DECLARE(mtk_apmixedsys, "mediatek,mt2701-apmixedsys", mtk_apmixedsys_init); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0053-mtd-nand-add-nand_to_mtd-helper.patch b/target/linux/mediatek/patches-4.4/0053-mtd-nand-add-nand_to_mtd-helper.patch deleted file mode 100644 index b103c5b539..0000000000 --- a/target/linux/mediatek/patches-4.4/0053-mtd-nand-add-nand_to_mtd-helper.patch +++ /dev/null @@ -1,32 +0,0 @@ -From 833645b92150d74642829c24c0ca1fbbdeccfb5c Mon Sep 17 00:00:00 2001 -From: Boris BREZILLON <boris.brezillon@free-electrons.com> -Date: Tue, 1 Dec 2015 12:03:07 +0100 -Subject: [PATCH 53/91] mtd: nand: add nand_to_mtd() helper - -Add a new helper to retrieve the MTD device attached to a NAND chip. - -Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> -Signed-off-by: Brian Norris <computersforpeace@gmail.com> ---- - include/linux/mtd/nand.h | 5 +++++ - 1 file changed, 5 insertions(+) - -diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h -index a4839b3..c75424f 100644 ---- a/include/linux/mtd/nand.h -+++ b/include/linux/mtd/nand.h -@@ -724,6 +724,11 @@ static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd) - return mtd->priv; - } - -+static inline struct mtd_info *nand_to_mtd(struct nand_chip *chip) -+{ -+ return &chip->mtd; -+} -+ - /* - * NAND Flash Manufacturer ID Codes - */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0062-clk-mediatek-Export-CPU-mux-clocks-for-CPU-frequency.patch b/target/linux/mediatek/patches-4.4/0054-clk-mediatek-Export-CPU-mux-clocks-for-CPU-frequency.patch index d30f2dd48c..d5af5f0c82 100644 --- a/target/linux/mediatek/patches-4.4/0062-clk-mediatek-Export-CPU-mux-clocks-for-CPU-frequency.patch +++ b/target/linux/mediatek/patches-4.4/0054-clk-mediatek-Export-CPU-mux-clocks-for-CPU-frequency.patch @@ -1,8 +1,8 @@ -From 2ed6efcef399d15910ff60eef72b4cf8e5265c47 Mon Sep 17 00:00:00 2001 +From 1387d4f0ebf4b48c09f2ea0d27a02936c3fa0010 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Thu, 31 Mar 2016 02:26:37 +0200 -Subject: [PATCH 62/91] clk: mediatek: Export CPU mux clocks for CPU frequency - control +Subject: [PATCH 054/102] clk: mediatek: Export CPU mux clocks for CPU + frequency control This patch adds CPU mux clocks which are used by Mediatek cpufreq driver for intermediate clock source switching. @@ -20,8 +20,6 @@ Signed-off-by: Pi-Cheng Chen <pi-cheng.chen@linaro.org> create mode 100644 drivers/clk/mediatek/clk-cpumux.c create mode 100644 drivers/clk/mediatek/clk-cpumux.h -diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile -index 5b2b91b..76bfab6 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -1,4 +1,4 @@ @@ -30,9 +28,6 @@ index 5b2b91b..76bfab6 100644 obj-$(CONFIG_RESET_CONTROLLER) += reset.o obj-$(CONFIG_COMMON_CLK_MT2701) += clk-mt2701.o obj-$(CONFIG_COMMON_CLK_MT8135) += clk-mt8135.o -diff --git a/drivers/clk/mediatek/clk-cpumux.c b/drivers/clk/mediatek/clk-cpumux.c -new file mode 100644 -index 0000000..91b5238 --- /dev/null +++ b/drivers/clk/mediatek/clk-cpumux.c @@ -0,0 +1,127 @@ @@ -163,9 +158,6 @@ index 0000000..91b5238 + + return 0; +} -diff --git a/drivers/clk/mediatek/clk-cpumux.h b/drivers/clk/mediatek/clk-cpumux.h -new file mode 100644 -index 0000000..52c769f --- /dev/null +++ b/drivers/clk/mediatek/clk-cpumux.h @@ -0,0 +1,22 @@ @@ -191,8 +183,6 @@ index 0000000..52c769f + struct clk_onecell_data *clk_data); + +#endif /* __DRV_CLK_CPUMUX_H */ -diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c -index 1634288..5c37fcb 100644 --- a/drivers/clk/mediatek/clk-mt2701.c +++ b/drivers/clk/mediatek/clk-mt2701.c @@ -18,6 +18,7 @@ @@ -203,7 +193,7 @@ index 1634288..5c37fcb 100644 #include <dt-bindings/clock/mt2701-clk.h> -@@ -465,6 +466,10 @@ static const char * const cpu_parents[] __initconst = { +@@ -465,6 +466,10 @@ static const char * const cpu_parents[] "mmpll" }; @@ -214,7 +204,7 @@ index 1634288..5c37fcb 100644 static const struct mtk_composite top_muxes[] __initconst = { MUX_GATE(CLK_TOP_AXI_SEL, "axi_sel", axi_parents, 0x0040, 0, 3, INVALID_MUX_GATE_BIT), -@@ -677,6 +682,9 @@ static void __init mtk_infrasys_init(struct device_node *node) +@@ -677,6 +682,9 @@ static void __init mtk_infrasys_init(str mtk_clk_register_factors(infra_fixed_divs, ARRAY_SIZE(infra_fixed_divs), clk_data); @@ -224,8 +214,6 @@ index 1634288..5c37fcb 100644 r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); if (r) pr_err("%s(): could not register clock provider: %d\n", -diff --git a/drivers/clk/mediatek/clk-mt8173.c b/drivers/clk/mediatek/clk-mt8173.c -index 227e356..b82c0e2 100644 --- a/drivers/clk/mediatek/clk-mt8173.c +++ b/drivers/clk/mediatek/clk-mt8173.c @@ -18,6 +18,7 @@ @@ -236,7 +224,7 @@ index 227e356..b82c0e2 100644 #include <dt-bindings/clock/mt8173-clk.h> -@@ -526,6 +527,25 @@ static const char * const i2s3_b_ck_parents[] __initconst = { +@@ -526,6 +527,25 @@ static const char * const i2s3_b_ck_pare "apll2_div5" }; @@ -262,7 +250,7 @@ index 227e356..b82c0e2 100644 static const struct mtk_composite top_muxes[] __initconst = { /* CLK_CFG_0 */ MUX(CLK_TOP_AXI_SEL, "axi_sel", axi_parents, 0x0040, 0, 3), -@@ -945,6 +965,9 @@ static void __init mtk_infrasys_init(struct device_node *node) +@@ -945,6 +965,9 @@ static void __init mtk_infrasys_init(str clk_data); mtk_clk_register_factors(infra_divs, ARRAY_SIZE(infra_divs), clk_data); @@ -272,8 +260,6 @@ index 227e356..b82c0e2 100644 r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); if (r) pr_err("%s(): could not register clock provider: %d\n", -diff --git a/include/dt-bindings/clock/mt2701-clk.h b/include/dt-bindings/clock/mt2701-clk.h -index 50972d1..a6c63b8 100644 --- a/include/dt-bindings/clock/mt2701-clk.h +++ b/include/dt-bindings/clock/mt2701-clk.h @@ -217,7 +217,8 @@ @@ -286,8 +272,6 @@ index 50972d1..a6c63b8 100644 /* PERICFG */ -diff --git a/include/dt-bindings/clock/mt8173-clk.h b/include/dt-bindings/clock/mt8173-clk.h -index 7956ba1..c82ed7c 100644 --- a/include/dt-bindings/clock/mt8173-clk.h +++ b/include/dt-bindings/clock/mt8173-clk.h @@ -192,7 +192,9 @@ @@ -301,6 +285,3 @@ index 7956ba1..c82ed7c 100644 /* PERI_SYS */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0054-mtd-nand-add-helpers-to-access-priv.patch b/target/linux/mediatek/patches-4.4/0054-mtd-nand-add-helpers-to-access-priv.patch deleted file mode 100644 index 8e32d5f919..0000000000 --- a/target/linux/mediatek/patches-4.4/0054-mtd-nand-add-helpers-to-access-priv.patch +++ /dev/null @@ -1,39 +0,0 @@ -From af8437ee10a6304da30ca479480102b464b39c82 Mon Sep 17 00:00:00 2001 -From: Boris BREZILLON <boris.brezillon@free-electrons.com> -Date: Thu, 10 Dec 2015 09:00:39 +0100 -Subject: [PATCH 54/91] mtd: nand: add helpers to access ->priv - -Add two helpers to access the field reserved for private controller data. -This makes it clearer what this field is reserved for and ease future -refactoring. - -Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> -Signed-off-by: Brian Norris <computersforpeace@gmail.com> ---- - include/linux/mtd/nand.h | 10 ++++++++++ - 1 file changed, 10 insertions(+) - -diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h -index c75424f..345f864 100644 ---- a/include/linux/mtd/nand.h -+++ b/include/linux/mtd/nand.h -@@ -729,6 +729,16 @@ static inline struct mtd_info *nand_to_mtd(struct nand_chip *chip) - return &chip->mtd; - } - -+static inline void *nand_get_controller_data(struct nand_chip *chip) -+{ -+ return chip->priv; -+} -+ -+static inline void nand_set_controller_data(struct nand_chip *chip, void *priv) -+{ -+ chip->priv = priv; -+} -+ - /* - * NAND Flash Manufacturer ID Codes - */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0063-cpufreq-mediatek-add-driver.patch b/target/linux/mediatek/patches-4.4/0055-cpufreq-mediatek-add-driver.patch index cf80540913..8b476361ff 100644 --- a/target/linux/mediatek/patches-4.4/0063-cpufreq-mediatek-add-driver.patch +++ b/target/linux/mediatek/patches-4.4/0055-cpufreq-mediatek-add-driver.patch @@ -1,7 +1,7 @@ -From 668d2c777a41440daa55435c2a217e61c23e4a30 Mon Sep 17 00:00:00 2001 +From 60f4e41b367bdb29530468c91c1e613b17a37755 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 30 Mar 2016 23:48:53 +0200 -Subject: [PATCH 63/91] cpufreq: mediatek: add driver +Subject: [PATCH 055/102] cpufreq: mediatek: add driver Signed-off-by: John Crispin <john@phrozen.org> --- @@ -11,8 +11,6 @@ Signed-off-by: John Crispin <john@phrozen.org> 3 files changed, 399 insertions(+) create mode 100644 drivers/cpufreq/mt7623-cpufreq.c -diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm -index b1f8a73..baf945e 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -81,6 +81,15 @@ config ARM_KIRKWOOD_CPUFREQ @@ -31,11 +29,9 @@ index b1f8a73..baf945e 100644 config ARM_MT8173_CPUFREQ bool "Mediatek MT8173 CPUFreq support" depends on ARCH_MEDIATEK && REGULATOR -diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile -index c0af1a1..e198752 100644 --- a/drivers/cpufreq/Makefile +++ b/drivers/cpufreq/Makefile -@@ -57,6 +57,7 @@ obj-$(CONFIG_ARM_HISI_ACPU_CPUFREQ) += hisi-acpu-cpufreq.o +@@ -57,6 +57,7 @@ obj-$(CONFIG_ARM_HISI_ACPU_CPUFREQ) += h obj-$(CONFIG_ARM_IMX6Q_CPUFREQ) += imx6q-cpufreq.o obj-$(CONFIG_ARM_INTEGRATOR) += integrator-cpufreq.o obj-$(CONFIG_ARM_KIRKWOOD_CPUFREQ) += kirkwood-cpufreq.o @@ -43,9 +39,6 @@ index c0af1a1..e198752 100644 obj-$(CONFIG_ARM_MT8173_CPUFREQ) += mt8173-cpufreq.o obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ) += omap-cpufreq.o obj-$(CONFIG_ARM_PXA2xx_CPUFREQ) += pxa2xx-cpufreq.o -diff --git a/drivers/cpufreq/mt7623-cpufreq.c b/drivers/cpufreq/mt7623-cpufreq.c -new file mode 100644 -index 0000000..8d154ce --- /dev/null +++ b/drivers/cpufreq/mt7623-cpufreq.c @@ -0,0 +1,389 @@ @@ -438,6 +431,3 @@ index 0000000..8d154ce + return 0; +} +device_initcall(mt7623_cpufreq_driver_init); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0055-mtd-nand-embed-an-mtd_info-structure-into-nand_chip.patch b/target/linux/mediatek/patches-4.4/0055-mtd-nand-embed-an-mtd_info-structure-into-nand_chip.patch deleted file mode 100644 index 0decc646f0..0000000000 --- a/target/linux/mediatek/patches-4.4/0055-mtd-nand-embed-an-mtd_info-structure-into-nand_chip.patch +++ /dev/null @@ -1,42 +0,0 @@ -From f18fcf4468ffdce17747f3d331f998a7e9264142 Mon Sep 17 00:00:00 2001 -From: Boris BREZILLON <boris.brezillon@free-electrons.com> -Date: Tue, 1 Dec 2015 12:03:06 +0100 -Subject: [PATCH 55/91] mtd: nand: embed an mtd_info structure into nand_chip - -Currently all NAND controller drivers are providing both the mtd_info and -nand_chip struct and then let the NAND subsystem to initialize a few -things before registering the mtd instance to the MTD layer. -Embed an mtd_info field into nand_chip to add some consistency to all NAND -controller drivers. -This change will also help factorizing boilerplate code copied in all NAND -drivers. - -Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> -Signed-off-by: Brian Norris <computersforpeace@gmail.com> ---- - include/linux/mtd/nand.h | 2 ++ - 1 file changed, 2 insertions(+) - -diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h -index 345f864..1ded588 100644 ---- a/include/linux/mtd/nand.h -+++ b/include/linux/mtd/nand.h -@@ -540,6 +540,7 @@ struct nand_buffers { - - /** - * struct nand_chip - NAND Private Flash Chip Data -+ * @mtd: MTD device registered to the MTD framework - * @IO_ADDR_R: [BOARDSPECIFIC] address to read the 8 I/O lines of the - * flash device - * @IO_ADDR_W: [BOARDSPECIFIC] address to write the 8 I/O lines of the -@@ -640,6 +641,7 @@ struct nand_buffers { - */ - - struct nand_chip { -+ struct mtd_info mtd; - void __iomem *IO_ADDR_R; - void __iomem *IO_ADDR_W; - --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0064-arm-mediatek-make-a7-timer-work.patch b/target/linux/mediatek/patches-4.4/0056-arm-mediatek-make-a7-timer-work-Signed-off-by-John-C.patch index bd3bf31c2c..fe81b47290 100644 --- a/target/linux/mediatek/patches-4.4/0064-arm-mediatek-make-a7-timer-work.patch +++ b/target/linux/mediatek/patches-4.4/0056-arm-mediatek-make-a7-timer-work-Signed-off-by-John-C.patch @@ -1,16 +1,14 @@ -From 6eeadfb48dc5e73dae115fc0be9416e3d5fed84d Mon Sep 17 00:00:00 2001 +From f8cda0bc698706413b5dd6fde827f9a2601ac61b Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Thu, 31 Mar 2016 06:07:01 +0200 -Subject: [PATCH 64/91] arm: mediatek: make a7 timer work Signed-off-by: John - Crispin <blogic@openwrt.org> +Subject: [PATCH 056/102] arm: mediatek: make a7 timer work Signed-off-by: + John Crispin <blogic@openwrt.org> --- arch/arm/mach-mediatek/Kconfig | 1 + arch/arm/mach-mediatek/mediatek.c | 1 + 2 files changed, 2 insertions(+) -diff --git a/arch/arm/mach-mediatek/Kconfig b/arch/arm/mach-mediatek/Kconfig -index a7fef77..2c05bc31 100644 --- a/arch/arm/mach-mediatek/Kconfig +++ b/arch/arm/mach-mediatek/Kconfig @@ -24,6 +24,7 @@ config MACH_MT6592 @@ -21,11 +19,9 @@ index a7fef77..2c05bc31 100644 select MIGHT_HAVE_PCI config MACH_MT8127 -diff --git a/arch/arm/mach-mediatek/mediatek.c b/arch/arm/mach-mediatek/mediatek.c -index bcfca37..7553a8c 100644 --- a/arch/arm/mach-mediatek/mediatek.c +++ b/arch/arm/mach-mediatek/mediatek.c -@@ -29,6 +29,7 @@ static void __init mediatek_timer_init(void) +@@ -29,6 +29,7 @@ static void __init mediatek_timer_init(v void __iomem *gpt_base; if (of_machine_is_compatible("mediatek,mt6589") || @@ -33,6 +29,3 @@ index bcfca37..7553a8c 100644 of_machine_is_compatible("mediatek,mt8135") || of_machine_is_compatible("mediatek,mt8127")) { /* turn on GPT6 which ungates arch timer clocks */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0056-mtd-add-get-set-of_node-flash_node-helpers.patch b/target/linux/mediatek/patches-4.4/0056-mtd-add-get-set-of_node-flash_node-helpers.patch deleted file mode 100644 index 02066f88b9..0000000000 --- a/target/linux/mediatek/patches-4.4/0056-mtd-add-get-set-of_node-flash_node-helpers.patch +++ /dev/null @@ -1,87 +0,0 @@ -From 59d8570d4b61af8544fc295d5e83ab7c28294bb8 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Tue, 22 Mar 2016 03:52:07 +0100 -Subject: [PATCH 56/91] mtd: add get/set of_node/flash_node helpers - -We are going to begin using the mtd->dev.of_node field for MTD device -nodes, so let's add helpers for it. Also, we'll be making some -conversions on spi_nor (and nand_chip eventually) too, so get that ready -with their own helpers. - -Signed-off-by: Brian Norris <computersforpeace@gmail.com> -Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com> ---- - include/linux/mtd/mtd.h | 11 +++++++++++ - include/linux/mtd/nand.h | 11 +++++++++++ - include/linux/mtd/spi-nor.h | 11 +++++++++++ - 3 files changed, 33 insertions(+) - -diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h -index f17fa75..cc84923 100644 ---- a/include/linux/mtd/mtd.h -+++ b/include/linux/mtd/mtd.h -@@ -254,6 +254,17 @@ struct mtd_info { - int usecount; - }; - -+static inline void mtd_set_of_node(struct mtd_info *mtd, -+ struct device_node *np) -+{ -+ mtd->dev.of_node = np; -+} -+ -+static inline struct device_node *mtd_get_of_node(struct mtd_info *mtd) -+{ -+ return mtd->dev.of_node; -+} -+ - int mtd_erase(struct mtd_info *mtd, struct erase_info *instr); - int mtd_point(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, - void **virt, resource_size_t *phys); -diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h -index 1ded588..3c34ca4 100644 ---- a/include/linux/mtd/nand.h -+++ b/include/linux/mtd/nand.h -@@ -741,6 +741,17 @@ static inline void nand_set_controller_data(struct nand_chip *chip, void *priv) - chip->priv = priv; - } - -+static inline void nand_set_flash_node(struct nand_chip *chip, -+ struct device_node *np) -+{ -+ chip->flash_node = np; -+} -+ -+static inline struct device_node *nand_get_flash_node(struct nand_chip *chip) -+{ -+ return chip->flash_node; -+} -+ - /* - * NAND Flash Manufacturer ID Codes - */ -diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h -index c8723b6..6d991df 100644 ---- a/include/linux/mtd/spi-nor.h -+++ b/include/linux/mtd/spi-nor.h -@@ -185,6 +185,17 @@ struct spi_nor { - void *priv; - }; - -+static inline void spi_nor_set_flash_node(struct spi_nor *nor, -+ struct device_node *np) -+{ -+ nor->flash_node = np; -+} -+ -+static inline struct device_node *spi_nor_get_flash_node(struct spi_nor *nor) -+{ -+ return nor->flash_node; -+} -+ - /** - * spi_nor_scan() - scan the SPI NOR - * @nor: the spi_nor structure --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0057-mtd-mediatek-device-tree-docs-for-MTK-Smart-Device-G.patch b/target/linux/mediatek/patches-4.4/0057-mtd-mediatek-device-tree-docs-for-MTK-Smart-Device-G.patch deleted file mode 100644 index edeeb96850..0000000000 --- a/target/linux/mediatek/patches-4.4/0057-mtd-mediatek-device-tree-docs-for-MTK-Smart-Device-G.patch +++ /dev/null @@ -1,64 +0,0 @@ -From 0fe612b501f1d56d76b2858d2ae779c1e766d064 Mon Sep 17 00:00:00 2001 -From: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> -Date: Wed, 2 Mar 2016 12:00:11 -0500 -Subject: [PATCH 57/91] mtd: mediatek: device tree docs for MTK Smart Device - Gen1 NAND - -This patch adds documentation support for Smart Device Gen1 type of -NAND controllers. - -Mediatek's SoC 2701 is one of the SoCs that implements this controller. - -Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> ---- - .../devicetree/bindings/mtd/mtksdg1-nand.txt | 38 ++++++++++++++++++++ - 1 file changed, 38 insertions(+) - create mode 100644 Documentation/devicetree/bindings/mtd/mtksdg1-nand.txt - -diff --git a/Documentation/devicetree/bindings/mtd/mtksdg1-nand.txt b/Documentation/devicetree/bindings/mtd/mtksdg1-nand.txt -new file mode 100644 -index 0000000..129d17b ---- /dev/null -+++ b/Documentation/devicetree/bindings/mtd/mtksdg1-nand.txt -@@ -0,0 +1,38 @@ -+MTK Smart Device SoCs NAND controller DT binding -+ -+Required properties: -+- compatible: Should be "mediatek,mt2701-nfc". -+- reg: The first contains base physical address and size of -+ NAND controller's registers. The second contains base -+ physical address and size of NAND ECC engine. -+- interrupts: the NFC NFI interrupt, and the NFC ECC interrupt -+- clocks: NAND controller clocks. -+- clock-names: NAND controller clocks internal name. -+- vmch-supply: NAND power supply. -+- #address-cells: Partition address, should be set 1. -+- #size-cells: Partition size, should be set 1. -+ -+Optional properties: -+ -+nand-on-flash-bbt: Use a flash based bad block table. -+ -+Optional subnodes: -+- Partitions, see Documentation/devicetree/bindings/mtd/partition.txt -+ -+Example: -+ -+ nand: nand@1100d000 { -+ compatible = "mediatek,mt2701-nfc"; -+ reg = <0 0x1100d000 0 0x1000>, <0 0x1100e000 0 0x1000>; -+ interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_LOW>, -+ <GIC_SPI 55 IRQ_TYPE_LEVEL_LOW>; -+ clocks = <&pericfg CLK_PERI_NFI>, <&pericfg CLK_PERI_NFI_ECC>, -+ <&pericfg CLK_PERI_NFI_PAD>; -+ clock-names = "nfi_ck", "nfi_ecc_ck", "nfi_pad_ck"; -+ vmch-supply = <&mt6323_vmch_reg>; -+ status = "disabled"; -+ #address-cells = <1>; -+ #size-cells = <1>; -+ -+ ... -+ }; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0065-net-mediatek-checking-for-IS_ERR-instead-of-NULL.patch b/target/linux/mediatek/patches-4.4/0057-net-mediatek-checking-for-IS_ERR-instead-of-NULL.patch index 124818ae4d..f00e9682bc 100644 --- a/target/linux/mediatek/patches-4.4/0065-net-mediatek-checking-for-IS_ERR-instead-of-NULL.patch +++ b/target/linux/mediatek/patches-4.4/0057-net-mediatek-checking-for-IS_ERR-instead-of-NULL.patch @@ -1,7 +1,7 @@ -From 0b88e5873b97ab20566b51134123fda7050d4d08 Mon Sep 17 00:00:00 2001 +From b9f9b937dd12dc57bd54a6c89b18eb40d4508424 Mon Sep 17 00:00:00 2001 From: Dan Carpenter <dan.carpenter@oracle.com> Date: Tue, 15 Mar 2016 10:18:49 +0300 -Subject: [PATCH 65/91] net: mediatek: checking for IS_ERR() instead of NULL +Subject: [PATCH 057/102] net: mediatek: checking for IS_ERR() instead of NULL of_phy_connect() returns NULL on error, it never returns error pointers. @@ -11,11 +11,9 @@ Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index ba3afa5..9759fe5 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -186,9 +186,9 @@ static int mtk_phy_connect_node(struct mtk_eth *eth, struct mtk_mac *mac, +@@ -186,9 +186,9 @@ static int mtk_phy_connect_node(struct m phydev = of_phy_connect(eth->netdev[mac->id], phy_node, mtk_phy_link_adjust, 0, phy_mode); @@ -27,6 +25,3 @@ index ba3afa5..9759fe5 100644 } dev_info(eth->dev, --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0058-mtd-mediatek-driver-for-MTK-Smart-Device-Gen1-NAND.patch b/target/linux/mediatek/patches-4.4/0058-mtd-mediatek-driver-for-MTK-Smart-Device-Gen1-NAND.patch deleted file mode 100644 index c868fa49b9..0000000000 --- a/target/linux/mediatek/patches-4.4/0058-mtd-mediatek-driver-for-MTK-Smart-Device-Gen1-NAND.patch +++ /dev/null @@ -1,1798 +0,0 @@ -From 24db36ad20239841b897efb41442841ebf5d2f78 Mon Sep 17 00:00:00 2001 -From: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> -Date: Wed, 2 Mar 2016 12:00:12 -0500 -Subject: [PATCH 58/91] mtd: mediatek: driver for MTK Smart Device Gen1 NAND - -This patch adds support for mediatek's SDG1 NFC nand controller -embedded in SoC 2701. - -UBIFS support has been successfully tested. - -Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> ---- - drivers/mtd/nand/Kconfig | 6 + - drivers/mtd/nand/Makefile | 1 + - drivers/mtd/nand/mtksdg1_nand.c | 1535 +++++++++++++++++++++++++++++++++++ - drivers/mtd/nand/mtksdg1_nand_ecc.h | 75 ++ - drivers/mtd/nand/mtksdg1_nand_nfi.h | 119 +++ - 5 files changed, 1736 insertions(+) - create mode 100644 drivers/mtd/nand/mtksdg1_nand.c - create mode 100644 drivers/mtd/nand/mtksdg1_nand_ecc.h - create mode 100644 drivers/mtd/nand/mtksdg1_nand_nfi.h - -diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig -index 2896640..5ec072a 100644 ---- a/drivers/mtd/nand/Kconfig -+++ b/drivers/mtd/nand/Kconfig -@@ -546,4 +546,10 @@ config MTD_NAND_HISI504 - help - Enables support for NAND controller on Hisilicon SoC Hip04. - -+config MTD_NAND_MTKSDG1 -+ tristate "Support for NAND controller on MTK Smart Device SoCs" -+ depends on HAS_DMA -+ help -+ Enables support for NAND controller on MTK Smart Device SoCs. -+ - endif # MTD_NAND -diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile -index 2c7f014..2a2620c 100644 ---- a/drivers/mtd/nand/Makefile -+++ b/drivers/mtd/nand/Makefile -@@ -55,5 +55,6 @@ obj-$(CONFIG_MTD_NAND_BCM47XXNFLASH) += bcm47xxnflash/ - obj-$(CONFIG_MTD_NAND_SUNXI) += sunxi_nand.o - obj-$(CONFIG_MTD_NAND_HISI504) += hisi504_nand.o - obj-$(CONFIG_MTD_NAND_BRCMNAND) += brcmnand/ -+obj-$(CONFIG_MTD_NAND_MTKSDG1) += mtksdg1_nand.o - - nand-objs := nand_base.o nand_bbt.o nand_timings.o -diff --git a/drivers/mtd/nand/mtksdg1_nand.c b/drivers/mtd/nand/mtksdg1_nand.c -new file mode 100644 -index 0000000..55dd17d ---- /dev/null -+++ b/drivers/mtd/nand/mtksdg1_nand.c -@@ -0,0 +1,1535 @@ -+/* -+ * MTK smart device NAND Flash controller driver. -+ * Copyright (C) 2015-2016 MediaTek Inc. -+ * Authors: Xiaolei Li <xiaolei.li@mediatek.com> -+ * Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ */ -+ -+#include <linux/platform_device.h> -+#include <linux/dma-mapping.h> -+#include <linux/interrupt.h> -+#include <linux/of_mtd.h> -+#include <linux/delay.h> -+#include <linux/clk.h> -+#include <linux/mtd/partitions.h> -+#include <linux/mtd/nand.h> -+#include <linux/mtd/mtd.h> -+#include <linux/module.h> -+ -+#include "mtksdg1_nand_nfi.h" -+#include "mtksdg1_nand_ecc.h" -+ -+#define MTK_IRQ_ECC "mtksdg1-nand-ecc" -+#define MTK_IRQ_NFI "mtksdg1-nand-nfi" -+#define MTK_NAME "mtksdg1-nand" -+ -+#define KB(x) ((x) * 1024UL) -+#define MB(x) (KB(x) * 1024UL) -+ -+#define SECTOR_SHIFT (10) -+#define SECTOR_SIZE (1UL << SECTOR_SHIFT) -+#define BYTES_TO_SECTORS(x) ((x) >> SECTOR_SHIFT) -+#define SECTORS_TO_BYTES(x) ((x) << SECTOR_SHIFT) -+ -+#define MTK_TIMEOUT (500) -+#define MTK_RESET_TIMEOUT (1 * HZ) -+ -+#define MTK_ECC_PARITY_BITS (14) -+#define MTK_NAND_MAX_CHIP (2) -+ -+#define MTK_OOB_ON (1) -+#define MTK_OOB_OFF (0) -+ -+/* raw accesses do not use ECC (ecc = !raw) */ -+#define MTK_ECC_OFF (1) -+#define MTK_ECC_ON (0) -+ -+struct mtk_nfc_clk { -+ struct clk *nfiecc_clk; -+ struct clk *nfi_clk; -+ struct clk *pad_clk; -+}; -+ -+struct mtk_nfc_saved_reg { -+ struct { -+ u32 enccnfg; -+ u32 deccnfg; -+ } ecc; -+ struct { -+ u32 emp_thresh; -+ u16 pagefmt; -+ u32 acccon; -+ u16 cnrnb; -+ u16 csel; -+ } nfi; -+}; -+ -+struct mtk_nfc_host { -+ struct mtk_nfc_clk clk; -+ struct nand_chip chip; -+ struct device *dev; -+ -+ struct { -+ struct completion complete; -+ void __iomem *base; -+ } nfi; -+ -+ struct { -+ struct completion complete; -+ void __iomem *base; -+ u32 dec_sec; -+ } ecc; -+ -+ u32 fdm_reg[MTKSDG1_NFI_FDM_REG_SIZE / sizeof(u32)]; -+ bool switch_oob; -+ u32 row_nob; -+ u8 *buffer; -+ -+#ifdef CONFIG_PM_SLEEP -+ struct mtk_nfc_saved_reg saved_reg; -+#endif -+}; -+ -+static struct nand_ecclayout nand_2k_64 = { -+ .oobfree = { {0, 16} }, -+}; -+ -+static struct nand_ecclayout nand_4k_128 = { -+ .oobfree = { {0, 32} }, -+}; -+ -+/* NFI register access */ -+static inline void mtk_nfi_writel(struct mtk_nfc_host *host, u32 val, u32 reg) -+{ -+ writel(val, host->nfi.base + reg); -+} -+static inline void mtk_nfi_writew(struct mtk_nfc_host *host, u16 val, u32 reg) -+{ -+ writew(val, host->nfi.base + reg); -+} -+static inline u32 mtk_nfi_readl(struct mtk_nfc_host *host, u32 reg) -+{ -+ return readl_relaxed(host->nfi.base + reg); -+} -+static inline u16 mtk_nfi_readw(struct mtk_nfc_host *host, u32 reg) -+{ -+ return readw_relaxed(host->nfi.base + reg); -+} -+static inline u8 mtk_nfi_readb(struct mtk_nfc_host *host, u32 reg) -+{ -+ return readb_relaxed(host->nfi.base + reg); -+} -+ -+/* ECC register access */ -+static inline void mtk_ecc_writel(struct mtk_nfc_host *host, u32 val, u32 reg) -+{ -+ writel(val, host->ecc.base + reg); -+} -+static inline void mtk_ecc_writew(struct mtk_nfc_host *host, u16 val, u32 reg) -+{ -+ writew(val, host->ecc.base + reg); -+} -+static inline u32 mtk_ecc_readl(struct mtk_nfc_host *host, u32 reg) -+{ -+ return readl_relaxed(host->ecc.base + reg); -+} -+static inline u16 mtk_ecc_readw(struct mtk_nfc_host *host, u32 reg) -+{ -+ return readw_relaxed(host->ecc.base + reg); -+} -+ -+static void mtk_nfc_hw_reset(struct mtk_nfc_host *host) -+{ -+ unsigned long timeout = MTK_RESET_TIMEOUT; -+ struct device *dev = host->dev; -+ u32 val; -+ -+ /* reset the state machine, data fifo and fdm data */ -+ mtk_nfi_writel(host, CON_FIFO_FLUSH | CON_NFI_RST, MTKSDG1_NFI_CON); -+ timeout += jiffies; -+ do { -+ val = mtk_nfi_readl(host, MTKSDG1_NFI_MASTER_STA); -+ val &= MASTER_STA_MASK; -+ if (!val) -+ return; -+ usleep_range(50, 100); -+ -+ } while (time_before(jiffies, timeout)); -+ -+ dev_warn(dev, "nfi master active after in reset [0x%x] = 0x%x\n", -+ MTKSDG1_NFI_MASTER_STA, val); -+}; -+ -+static int mtk_nfc_set_command(struct mtk_nfc_host *host, u8 command) -+{ -+ unsigned long timeout = msecs_to_jiffies(MTK_TIMEOUT); -+ struct device *dev = host->dev; -+ u32 val; -+ -+ mtk_nfi_writel(host, command, MTKSDG1_NFI_CMD); -+ -+ /* wait for the NFI core to enter command mode */ -+ timeout += jiffies; -+ do { -+ val = mtk_nfi_readl(host, MTKSDG1_NFI_STA); -+ val &= STA_CMD; -+ if (!val) -+ return 0; -+ cpu_relax(); -+ -+ } while (time_before(jiffies, timeout)); -+ dev_warn(dev, "nfi core timed out entering command mode\n"); -+ -+ return -EIO; -+} -+ -+static int mtk_nfc_set_address(struct mtk_nfc_host *host, u32 column, u32 row, -+ u8 colnob, u8 row_nob) -+{ -+ unsigned long timeout = msecs_to_jiffies(MTK_TIMEOUT); -+ struct device *dev = host->dev; -+ u32 addr_nob, val; -+ -+ addr_nob = colnob | (row_nob << ADDR_ROW_NOB_SHIFT); -+ mtk_nfi_writel(host, column, MTKSDG1_NFI_COLADDR); -+ mtk_nfi_writel(host, row, MTKSDG1_NFI_ROWADDR); -+ mtk_nfi_writel(host, addr_nob, MTKSDG1_NFI_ADDRNOB); -+ -+ /* wait for the NFI core to enter address mode */ -+ timeout += jiffies; -+ do { -+ val = mtk_nfi_readl(host, MTKSDG1_NFI_STA); -+ val &= STA_ADDR; -+ if (!val) -+ return 0; -+ cpu_relax(); -+ -+ } while (time_before(jiffies, timeout)); -+ -+ dev_warn(dev, "nfi core timed out entering address mode\n"); -+ -+ return -EIO; -+} -+ -+static inline void mtk_ecc_encoder_idle(struct mtk_nfc_host *host) -+{ -+ unsigned long timeout = msecs_to_jiffies(MTK_TIMEOUT); -+ struct device *dev = host->dev; -+ u32 val; -+ -+ timeout += jiffies; -+ do { -+ val = mtk_ecc_readl(host, MTKSDG1_ECC_ENCIDLE); -+ val &= ENC_IDLE; -+ if (val) -+ return; -+ cpu_relax(); -+ -+ } while (time_before(jiffies, timeout)); -+ -+ dev_warn(dev, "hw init ecc encoder not idle\n"); -+} -+ -+static inline void mtk_ecc_decoder_idle(struct mtk_nfc_host *host) -+{ -+ unsigned long timeout = msecs_to_jiffies(MTK_TIMEOUT); -+ struct device *dev = host->dev; -+ u32 val; -+ -+ timeout += jiffies; -+ do { -+ val = mtk_ecc_readw(host, MTKSDG1_ECC_DECIDLE); -+ val &= DEC_IDLE; -+ if (val) -+ return; -+ cpu_relax(); -+ -+ } while (time_before(jiffies, timeout)); -+ -+ dev_warn(dev, "hw init ecc decoder not idle\n"); -+} -+ -+static int mtk_nfc_transfer_done(struct mtk_nfc_host *host, u32 sectors) -+{ -+ unsigned long timeout = msecs_to_jiffies(MTK_TIMEOUT); -+ u32 cnt; -+ -+ /* wait for the sector count */ -+ timeout += jiffies; -+ do { -+ cnt = mtk_nfi_readl(host, MTKSDG1_NFI_ADDRCNTR); -+ cnt &= CNTR_MASK; -+ if (cnt >= sectors) -+ return 0; -+ cpu_relax(); -+ -+ } while (time_before(jiffies, timeout)); -+ -+ return -EIO; -+} -+ -+static int mtk_nfc_subpage_done(struct mtk_nfc_host *host, int sectors) -+{ -+ unsigned long timeout = msecs_to_jiffies(MTK_TIMEOUT); -+ u32 val; -+ -+ timeout += jiffies; -+ do { -+ val = mtk_nfi_readl(host, MTKSDG1_NFI_BYTELEN); -+ val &= CNTR_MASK; -+ if (val >= sectors) -+ return 0; -+ cpu_relax(); -+ -+ } while (time_before(jiffies, timeout)); -+ -+ return -EIO; -+} -+ -+static inline int mtk_nfc_data_ready(struct mtk_nfc_host *host) -+{ -+ unsigned long timeout = msecs_to_jiffies(MTK_TIMEOUT); -+ u8 val; -+ -+ timeout += jiffies; -+ do { -+ val = mtk_nfi_readw(host, MTKSDG1_NFI_PIO_DIRDY); -+ val &= PIO_DI_RDY; -+ if (val) -+ return 0; -+ cpu_relax(); -+ -+ } while (time_before(jiffies, timeout)); -+ -+ /* data _MUST_ not be accessed */ -+ return -EIO; -+} -+ -+static int mtk_nfc_hw_runtime_config(struct mtd_info *mtd) -+{ -+ struct nand_chip *chip = mtd_to_nand(mtd); -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ struct device *dev = host->dev; -+ u32 dec_size, enc_size; -+ u32 ecc_bit, ecc_level; -+ u32 spare, fmt; -+ u32 reg; -+ -+ host->row_nob = 1; -+ if (chip->chipsize > MB(32)) -+ host->row_nob = chip->chipsize > MB(128) ? 3 : 2; -+ -+ spare = mtd->oobsize / BYTES_TO_SECTORS(mtd->writesize); -+ switch (spare) { -+ case 16: -+ ecc_bit = ECC_CNFG_4BIT; -+ ecc_level = 4; -+ break; -+ case 32: -+ ecc_bit = ECC_CNFG_12BIT; -+ ecc_level = 12; -+ break; -+ default: -+ dev_err(dev, "invalid spare size per sector: %d\n", spare); -+ return -EINVAL; -+ } -+ -+ chip->ecc.strength = ecc_level; -+ chip->ecc.size = SECTOR_SIZE; -+ -+ switch (mtd->writesize) { -+ case KB(2): -+ fmt = PAGEFMT_512_2K; -+ chip->ecc.layout = &nand_2k_64; -+ break; -+ case KB(4): -+ fmt = PAGEFMT_2K_4K; -+ chip->ecc.layout = &nand_4k_128; -+ break; -+ case KB(8): -+ fmt = PAGEFMT_4K_8K; -+ break; -+ default: -+ dev_err(dev, "invalid page size: %d\n", mtd->writesize); -+ return -EINVAL; -+ } -+ -+ /* configure PAGE FMT */ -+ reg = fmt; -+ reg |= PAGEFMT_SPARE_16 << PAGEFMT_SPARE_SHIFT; -+ reg |= MTKSDG1_NFI_FDM_REG_SIZE << PAGEFMT_FDM_SHIFT; -+ reg |= MTKSDG1_NFI_FDM_REG_SIZE << PAGEFMT_FDM_ECC_SHIFT; -+ mtk_nfi_writew(host, reg, MTKSDG1_NFI_PAGEFMT); -+ -+ /* configure ECC encoder (in bits) */ -+ enc_size = (SECTOR_SIZE + MTKSDG1_NFI_FDM_REG_SIZE) << 3; -+ reg = ecc_bit | ECC_NFI_MODE | (enc_size << ECC_MS_SHIFT); -+ mtk_ecc_writel(host, reg, MTKSDG1_ECC_ENCCNFG); -+ -+ /* configure ECC decoder (inbits) */ -+ dec_size = enc_size + ecc_level * MTK_ECC_PARITY_BITS; -+ reg = ecc_bit | ECC_NFI_MODE | (dec_size << ECC_MS_SHIFT); -+ reg |= (DEC_CNFG_CORRECT | DEC_EMPTY_EN); -+ mtk_ecc_writel(host, reg, MTKSDG1_ECC_DECCNFG); -+ -+ return 0; -+} -+ -+static void mtk_nfc_device_reset(struct mtk_nfc_host *host) -+{ -+ unsigned long timeout = msecs_to_jiffies(MTK_TIMEOUT); -+ struct device *dev = host->dev; -+ u16 chip; -+ int rc; -+ -+ mtk_nfc_hw_reset(host); -+ -+ /* enable reset done interrupt */ -+ mtk_nfi_writew(host, INTR_RST_DONE_EN, MTKSDG1_NFI_INTR_EN); -+ -+ /* configure FSM for reset operation */ -+ mtk_nfi_writew(host, CNFG_OP_RESET, MTKSDG1_NFI_CNFG); -+ -+ init_completion(&host->nfi.complete); -+ -+ mtk_nfc_set_command(host, NAND_CMD_RESET); -+ rc = wait_for_completion_timeout(&host->nfi.complete, timeout); -+ if (!rc) { -+ chip = mtk_nfi_readw(host, MTKSDG1_NFI_CSEL); -+ dev_err(dev, "device(%d) reset timeout\n", chip); -+ } -+} -+ -+static void mtk_nfc_select_chip(struct mtd_info *mtd, int chip) -+{ -+ struct nand_chip *nand = mtd_to_nand(mtd); -+ struct mtk_nfc_host *host = nand_get_controller_data(nand); -+ -+ if (chip < 0) -+ return; -+ -+ mtk_nfi_writel(host, chip, MTKSDG1_NFI_CSEL); -+} -+ -+static inline bool mtk_nfc_cmd_supported(unsigned command) -+{ -+ switch (command) { -+ case NAND_CMD_RESET: -+ case NAND_CMD_READID: -+ case NAND_CMD_STATUS: -+ case NAND_CMD_READOOB: -+ case NAND_CMD_ERASE1: -+ case NAND_CMD_ERASE2: -+ case NAND_CMD_SEQIN: -+ case NAND_CMD_PAGEPROG: -+ case NAND_CMD_CACHEDPROG: -+ case NAND_CMD_READ0: -+ return true; -+ default: -+ return false; -+ } -+} -+ -+static void mtk_nfc_cmdfunc(struct mtd_info *mtd, unsigned command, int column, -+ int page_addr) -+{ -+ struct mtk_nfc_host *host = nand_get_controller_data(mtd_to_nand(mtd)); -+ unsigned long const cmd_timeout = msecs_to_jiffies(MTK_TIMEOUT); -+ struct completion *p = &host->nfi.complete; -+ u32 val; -+ int rc; -+ -+ if (mtk_nfc_cmd_supported(command)) -+ mtk_nfc_hw_reset(host); -+ -+ switch (command) { -+ case NAND_CMD_RESET: -+ mtk_nfc_device_reset(host); -+ break; -+ case NAND_CMD_READID: -+ val = CNFG_READ_EN | CNFG_BYTE_RW | CNFG_OP_SRD; -+ mtk_nfi_writew(host, val, MTKSDG1_NFI_CNFG); -+ mtk_nfc_set_command(host, NAND_CMD_READID); -+ mtk_nfc_set_address(host, column, 0, 1, 0); -+ mtk_nfi_writel(host, CON_SRD, MTKSDG1_NFI_CON); -+ break; -+ case NAND_CMD_STATUS: -+ val = CNFG_READ_EN | CNFG_BYTE_RW | CNFG_OP_SRD; -+ mtk_nfi_writew(host, val, MTKSDG1_NFI_CNFG); -+ mtk_nfc_set_command(host, NAND_CMD_STATUS); -+ mtk_nfi_writel(host, CON_SRD, MTKSDG1_NFI_CON); -+ break; -+ case NAND_CMD_READOOB: -+ val = CNFG_READ_EN | CNFG_BYTE_RW | CNFG_OP_READ; -+ mtk_nfi_writew(host, val, MTKSDG1_NFI_CNFG); -+ mtk_nfc_set_command(host, NAND_CMD_READ0); -+ column += mtd->writesize; -+ mtk_nfc_set_address(host, column, page_addr, 2, host->row_nob); -+ val = CON_BRD | (1 << CON_SEC_SHIFT); -+ mtk_nfi_writel(host, val, MTKSDG1_NFI_CON); -+ break; -+ case NAND_CMD_ERASE1: -+ mtk_nfi_writew(host, INTR_ERS_DONE_EN, MTKSDG1_NFI_INTR_EN); -+ mtk_nfi_writew(host, CNFG_OP_ERASE, MTKSDG1_NFI_CNFG); -+ mtk_nfc_set_command(host, NAND_CMD_ERASE1); -+ mtk_nfc_set_address(host, 0, page_addr, 0, host->row_nob); -+ break; -+ case NAND_CMD_ERASE2: -+ init_completion(p); -+ mtk_nfc_set_command(host, NAND_CMD_ERASE2); -+ rc = wait_for_completion_timeout(p, cmd_timeout); -+ if (!rc) -+ dev_err(host->dev, "erase command timeout\n"); -+ break; -+ case NAND_CMD_SEQIN: -+ mtk_nfi_writew(host, CNFG_OP_PRGM, MTKSDG1_NFI_CNFG); -+ mtk_nfc_set_command(host, NAND_CMD_SEQIN); -+ mtk_nfc_set_address(host, column, page_addr, 2, host->row_nob); -+ break; -+ case NAND_CMD_PAGEPROG: -+ case NAND_CMD_CACHEDPROG: -+ mtk_nfi_writew(host, INTR_BUSY_RT_EN, MTKSDG1_NFI_INTR_EN); -+ init_completion(p); -+ mtk_nfc_set_command(host, command); -+ rc = wait_for_completion_timeout(p, cmd_timeout); -+ if (!rc) -+ dev_err(host->dev, "pageprogr command timeout\n"); -+ break; -+ case NAND_CMD_READ0: -+ val = CNFG_OP_READ | CNFG_READ_EN; -+ mtk_nfi_writew(host, val, MTKSDG1_NFI_CNFG); -+ mtk_nfc_set_command(host, NAND_CMD_READ0); -+ break; -+ default: -+ dev_warn(host->dev, "command 0x%x not supported\n", command); -+ break; -+ } -+} -+ -+static uint8_t mtk_nfc_read_byte(struct mtd_info *mtd) -+{ -+ struct nand_chip *chip = mtd_to_nand(mtd); -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ int rc; -+ -+ rc = mtk_nfc_data_ready(host); -+ if (rc < 0) { -+ dev_err(host->dev, "data not ready\n"); -+ return NAND_STATUS_FAIL; -+ } -+ -+ return mtk_nfi_readb(host, MTKSDG1_NFI_DATAR); -+} -+ -+static void mtk_nfc_write_fdm(struct nand_chip *chip, u32 sectors) -+{ -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ u8 *src, *dst; -+ int i, j, reg; -+ -+ for (i = 0; i < sectors ; i++) { -+ /* read FDM from OOB into private area */ -+ src = chip->oob_poi + i * MTKSDG1_NFI_FDM_REG_SIZE; -+ dst = (u8 *)host->fdm_reg; -+ memcpy(dst, src, MTKSDG1_NFI_FDM_REG_SIZE); -+ -+ /* write FDM to registers */ -+ for (j = 0; j < ARRAY_SIZE(host->fdm_reg); j++) { -+ reg = MTKSDG1_NFI_FDM0L + i * MTKSDG1_NFI_FDM_REG_SIZE; -+ reg += j * sizeof(host->fdm_reg[0]); -+ mtk_nfi_writel(host, host->fdm_reg[j], reg); -+ } -+ } -+} -+ -+static int mtk_nfc_write_page(struct mtd_info *mtd, -+ struct nand_chip *chip, const uint8_t *buf, -+ int oob_on, int page, int raw) -+{ -+ -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ struct completion *nfi = &host->nfi.complete; -+ struct device *dev = host->dev; -+ const bool use_ecc = !raw; -+ void *q = (void *) buf; -+ dma_addr_t dma_addr; -+ size_t dmasize; -+ u32 reg; -+ int ret; -+ -+ dmasize = mtd->writesize + (raw ? mtd->oobsize : 0); -+ -+ dma_addr = dma_map_single(dev, q, dmasize, DMA_TO_DEVICE); -+ if (dma_mapping_error(host->dev, dma_addr)) { -+ dev_err(host->dev, "dma mapping error\n"); -+ return -EINVAL; -+ } -+ -+ reg = mtk_nfi_readw(host, MTKSDG1_NFI_CNFG); -+ reg |= CNFG_AHB | CNFG_DMA_BURST_EN; -+ if (use_ecc) { -+ /** -+ * OOB will be generated -+ * - FDM: from register -+ * - ECC: from HW -+ */ -+ reg |= CNFG_AUTO_FMT_EN | CNFG_HW_ECC_EN; -+ mtk_nfi_writew(host, reg, MTKSDG1_NFI_CNFG); -+ -+ mtk_ecc_encoder_idle(host); -+ mtk_ecc_writew(host, ENC_EN, MTKSDG1_ECC_ENCCON); -+ -+ /* write OOB into the FDM registers (OOB area in MTK NAND) */ -+ if (oob_on) -+ mtk_nfc_write_fdm(chip, chip->ecc.steps); -+ } else { -+ /* OOB is part of the DMA transfer */ -+ mtk_nfi_writew(host, reg, MTKSDG1_NFI_CNFG); -+ } -+ -+ mtk_nfi_writel(host, chip->ecc.steps << CON_SEC_SHIFT, MTKSDG1_NFI_CON); -+ mtk_nfi_writel(host, lower_32_bits(dma_addr), MTKSDG1_NFI_STRADDR); -+ mtk_nfi_writew(host, INTR_AHB_DONE_EN, MTKSDG1_NFI_INTR_EN); -+ -+ init_completion(nfi); -+ -+ /* start DMA */ -+ reg = mtk_nfi_readl(host, MTKSDG1_NFI_CON) | CON_BWR; -+ mtk_nfi_writel(host, reg, MTKSDG1_NFI_CON); -+ -+ ret = wait_for_completion_timeout(nfi, msecs_to_jiffies(MTK_TIMEOUT)); -+ if (!ret) { -+ dev_err(dev, "program ahb done timeout\n"); -+ mtk_nfi_writew(host, 0, MTKSDG1_NFI_INTR_EN); -+ ret = -ETIMEDOUT; -+ goto timeout; -+ } -+ -+ ret = mtk_nfc_transfer_done(host, chip->ecc.steps); -+ if (ret < 0) -+ dev_err(dev, "hwecc write timeout\n"); -+timeout: -+ dma_unmap_single(host->dev, dma_addr, dmasize, DMA_TO_DEVICE); -+ -+ if (use_ecc) { -+ mtk_ecc_encoder_idle(host); -+ mtk_ecc_writew(host, ENC_DE, MTKSDG1_ECC_ENCCON); -+ } -+ -+ mtk_nfi_writel(host, 0, MTKSDG1_NFI_CON); -+ -+ return ret; -+} -+ -+static int mtk_nfc_write_page_hwecc(struct mtd_info *mtd, -+ struct nand_chip *chip, const uint8_t *buf, -+ int oob_on, int page) -+{ -+ return mtk_nfc_write_page(mtd, chip, buf, oob_on, page, MTK_ECC_ON); -+} -+ -+static int mtk_nfc_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip, -+ const uint8_t *buf, int oob_on, int pg) -+{ -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ uint8_t *src, *dst; -+ size_t len; -+ u32 i; -+ -+ memset(host->buffer, 0xff, mtd->writesize + mtd->oobsize); -+ -+ /* MTK internal 4KB page data layout: -+ * ---------------------------------- -+ * PAGE = 4KB, SECTOR = 1KB, OOB=128B -+ * page = sector_oob1 + sector_oob2 + sector_oob3 + sector_oob4 -+ * sector_oob = data (1KB) + FDM (8B) + ECC parity (21B) + free (3B) -+ * -+ */ -+ len = SECTOR_SIZE + mtd->oobsize / chip->ecc.steps; -+ -+ for (i = 0; i < chip->ecc.steps; i++) { -+ -+ if (buf) { -+ src = (uint8_t *) buf + i * SECTOR_SIZE; -+ dst = host->buffer + i * len; -+ memcpy(dst, src, SECTOR_SIZE); -+ } -+ -+ if (oob_on) { -+ src = chip->oob_poi + i * MTKSDG1_NFI_FDM_REG_SIZE; -+ dst = host->buffer + i * len + SECTOR_SIZE; -+ memcpy(dst, src, MTKSDG1_NFI_FDM_REG_SIZE); -+ } -+ } -+ -+ return mtk_nfc_write_page(mtd, chip, host->buffer, MTK_OOB_OFF, pg, -+ MTK_ECC_OFF); -+} -+ -+static int mtk_nfc_sector_encode(struct nand_chip *chip, u8 *data) -+{ -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ struct completion *ecc = &host->ecc.complete; -+ u32 reg, parity_bytes, i; -+ dma_addr_t dma_addr; -+ u32 *parity_region; -+ int rc, ret = 0; -+ size_t dmasize; -+ -+ dmasize = SECTOR_SIZE + MTKSDG1_NFI_FDM_REG_SIZE; -+ dma_addr = dma_map_single(host->dev, data, dmasize, DMA_TO_DEVICE); -+ if (dma_mapping_error(host->dev, dma_addr)) { -+ dev_err(host->dev, "dma mapping error\n"); -+ return -EINVAL; -+ } -+ -+ /* enable the encoder in DMA mode to calculate the ECC bytes */ -+ reg = mtk_ecc_readl(host, MTKSDG1_ECC_ENCCNFG); -+ reg &= (~ECC_ENC_MODE_MASK); -+ reg |= ECC_DMA_MODE; -+ mtk_ecc_writel(host, reg, MTKSDG1_ECC_ENCCNFG); -+ -+ mtk_ecc_writel(host, ENC_IRQEN, MTKSDG1_ECC_ENCIRQ_EN); -+ mtk_ecc_writel(host, lower_32_bits(dma_addr), MTKSDG1_ECC_ENCDIADDR); -+ -+ init_completion(ecc); -+ mtk_ecc_writew(host, ENC_EN, MTKSDG1_ECC_ENCCON); -+ -+ rc = wait_for_completion_timeout(ecc, msecs_to_jiffies(MTK_TIMEOUT)); -+ if (!rc) { -+ dev_err(host->dev, "ecc encode done timeout\n"); -+ mtk_ecc_writel(host, 0, MTKSDG1_ECC_ENCIRQ_EN); -+ ret = -ETIMEDOUT; -+ goto timeout; -+ } -+ -+ mtk_ecc_encoder_idle(host); -+ -+ /** -+ * Program ECC bytes to OOB -+ * per sector oob = FDM + ECC + SPARE -+ */ -+ -+ parity_region = (u32 *) (data + SECTOR_SIZE + MTKSDG1_NFI_FDM_REG_SIZE); -+ parity_bytes = (chip->ecc.strength * MTK_ECC_PARITY_BITS + 7) >> 3; -+ -+ /* write the parity bytes generated by the ECC back to the OOB region */ -+ for (i = 0; i < parity_bytes; i += sizeof(u32)) -+ *parity_region++ = mtk_ecc_readl(host, MTKSDG1_ECC_ENCPAR0 + i); -+ -+timeout: -+ -+ dma_unmap_single(host->dev, dma_addr, dmasize, DMA_TO_DEVICE); -+ -+ mtk_ecc_writew(host, 0, MTKSDG1_ECC_ENCCON); -+ reg = mtk_ecc_readl(host, MTKSDG1_ECC_ENCCNFG); -+ reg &= (~ECC_ENC_MODE_MASK); -+ reg |= ECC_NFI_MODE; -+ mtk_ecc_writel(host, reg, MTKSDG1_ECC_ENCCNFG); -+ -+ return ret; -+} -+ -+static int mtk_nfc_write_subpage_hwecc(struct mtd_info *mtd, -+ struct nand_chip *chip, uint32_t offset, uint32_t data_len, -+ const uint8_t *buf, int oob_on, int pg) -+{ -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ uint8_t *src, *dst; -+ u32 start, end; -+ size_t len; -+ int i, ret; -+ -+ start = BYTES_TO_SECTORS(offset); -+ end = BYTES_TO_SECTORS(offset + data_len + SECTOR_SIZE - 1); -+ -+ len = SECTOR_SIZE + mtd->oobsize / chip->ecc.steps; -+ -+ memset(host->buffer, 0xff, mtd->writesize + mtd->oobsize); -+ for (i = 0; i < chip->ecc.steps; i++) { -+ -+ /* write data */ -+ src = (uint8_t *) buf + i * SECTOR_SIZE; -+ dst = host->buffer + i * len; -+ memcpy(dst, src, SECTOR_SIZE); -+ -+ if (i < start) -+ continue; -+ -+ if (i >= end) -+ continue; -+ -+ /* write fdm */ -+ if (oob_on) { -+ src = chip->oob_poi + i * MTKSDG1_NFI_FDM_REG_SIZE; -+ dst = host->buffer + i * len + SECTOR_SIZE; -+ memcpy(dst, src, MTKSDG1_NFI_FDM_REG_SIZE); -+ } -+ -+ /* point to the start of data */ -+ src = host->buffer + i * len; -+ -+ /* program the CRC back to the OOB */ -+ ret = mtk_nfc_sector_encode(chip, src); -+ if (ret < 0) -+ return ret; -+ } -+ -+ /* use the data in the private buffer (now with FDM and CRC) to perform -+ * a raw write -+ */ -+ src = host->buffer; -+ return mtk_nfc_write_page(mtd, chip, src, MTK_OOB_OFF, pg, MTK_ECC_OFF); -+} -+ -+static int mtk_nfc_write_oob(struct mtd_info *mtd, struct nand_chip *chip, -+ int page) -+{ -+ u8 *buf = chip->buffers->databuf; -+ int ret; -+ -+ memset(buf, 0xff, mtd->writesize); -+ chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0x00, page); -+ ret = mtk_nfc_write_page_hwecc(mtd, chip, buf, MTK_OOB_ON, page); -+ if (ret < 0) -+ return -EIO; -+ -+ chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1); -+ ret = chip->waitfunc(mtd, chip); -+ -+ return ret & NAND_STATUS_FAIL ? -EIO : 0; -+} -+ -+static int mtk_nfc_write_oob_raw(struct mtd_info *mtd, struct nand_chip *chip, -+ int page) -+{ -+ int ret; -+ -+ chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0x00, page); -+ ret = mtk_nfc_write_page_raw(mtd, chip, NULL, MTK_OOB_ON, page); -+ if (ret < 0) -+ return -EIO; -+ -+ chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1); -+ ret = chip->waitfunc(mtd, chip); -+ -+ return ret & NAND_STATUS_FAIL ? -EIO : 0; -+} -+ -+static int mtk_nfc_ecc_check(struct mtd_info *mtd, struct nand_chip *chip, -+ u32 sectors) -+{ -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ u32 offset, i, err, max_bitflip; -+ -+ max_bitflip = 0; -+ -+ for (i = 0; i < sectors; i++) { -+ offset = (i >> 2) << 2; -+ err = mtk_ecc_readl(host, MTKSDG1_ECC_DECENUM0 + offset); -+ err = err >> ((i % 4) * 8); -+ err &= ERR_MASK; -+ if (err == ERR_MASK) { -+ /* uncorrectable errors */ -+ mtd->ecc_stats.failed++; -+ continue; -+ } -+ -+ mtd->ecc_stats.corrected += err; -+ max_bitflip = max_t(u32, max_bitflip, err); -+ } -+ -+ return max_bitflip; -+} -+ -+static void mtk_nfc_read_fdm(struct nand_chip *chip, u32 sectors) -+{ -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ int i, j, reg; -+ u8 *dst, *src; -+ -+ for (i = 0; i < sectors; i++) { -+ /* read FDM register into host memory */ -+ for (j = 0; j < ARRAY_SIZE(host->fdm_reg); j++) { -+ reg = MTKSDG1_NFI_FDM0L + i * MTKSDG1_NFI_FDM_REG_SIZE; -+ reg += j * sizeof(host->fdm_reg[0]); -+ host->fdm_reg[j] = mtk_nfi_readl(host, reg); -+ } -+ -+ /* copy FDM register from host to OOB */ -+ src = (u8 *)host->fdm_reg; -+ dst = chip->oob_poi + i * MTKSDG1_NFI_FDM_REG_SIZE; -+ memcpy(dst, src, MTKSDG1_NFI_FDM_REG_SIZE); -+ } -+} -+ -+static int mtk_nfc_update_oob(struct mtd_info *mtd, struct nand_chip *chip, -+ u8 *buf, u32 sectors) -+{ -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ int i, bitflips = 0; -+ -+ /* if the page is empty, no bitflips and clear data and oob */ -+ if (mtk_nfi_readl(host, MTKSDG1_NFI_STA) & STA_EMP_PAGE) { -+ memset(buf, 0xff, SECTORS_TO_BYTES(sectors)); -+ -+ /* empty page: update OOB with 0xFF */ -+ for (i = 0; i < sectors; i++) { -+ memset(chip->oob_poi + i * MTKSDG1_NFI_FDM_REG_SIZE, -+ 0xff, MTKSDG1_NFI_FDM_REG_SIZE); -+ } -+ } else { -+ /* update OOB with HW info */ -+ mtk_nfc_read_fdm(chip, sectors); -+ -+ /* return the bitflips */ -+ bitflips = mtk_nfc_ecc_check(mtd, chip, sectors); -+ } -+ -+ return bitflips; -+} -+ -+static int mtk_nfc_block_markbad(struct mtd_info *mtd, loff_t ofs) -+{ -+ struct nand_chip *chip = mtd_to_nand(mtd); -+ u8 *buf = chip->buffers->databuf; -+ int rc, i, pg; -+ -+ /* block_markbad writes 0x00 at data and OOB */ -+ memset(buf, 0x00, mtd->writesize + mtd->oobsize); -+ -+ /* Write to first/last page(s) if necessary */ -+ if (chip->bbt_options & NAND_BBT_SCANLASTPAGE) -+ ofs += mtd->erasesize - mtd->writesize; -+ -+ i = 0; -+ do { -+ pg = (int)(ofs >> chip->page_shift); -+ -+ /** -+ * write 0x00 to DATA & OOB in flash -+ * No need to reorganize the page since it is all 0x00 -+ */ -+ chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0x00, pg); -+ rc = mtk_nfc_write_page(mtd, chip, buf, MTK_OOB_OFF, pg, -+ MTK_ECC_OFF); -+ if (rc < 0) -+ return rc; -+ -+ chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1); -+ rc = chip->waitfunc(mtd, chip); -+ rc = rc & NAND_STATUS_FAIL ? -EIO : 0; -+ if (rc < 0) -+ return rc; -+ -+ ofs += mtd->writesize; -+ i++; -+ -+ } while ((chip->bbt_options & NAND_BBT_SCAN2NDPAGE) && i < 2); -+ -+ return 0; -+} -+ -+static int mtk_nfc_read_subpage(struct mtd_info *mtd, struct nand_chip *chip, -+ uint32_t data_offs, uint32_t readlen, uint8_t *bufpoi, -+ int page, int raw) -+{ -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ unsigned long timeout = msecs_to_jiffies(MTK_TIMEOUT); -+ u32 reg, column, spare, sectors, start, end; -+ struct completion *nfi, *ecc; -+ const bool use_ecc = !raw; -+ int bitflips = -EIO; -+ dma_addr_t dma_addr; -+ size_t len; -+ u8 *buf; -+ int rc; -+ -+ nfi = &host->nfi.complete; -+ ecc = &host->ecc.complete; -+ -+ start = BYTES_TO_SECTORS(data_offs); -+ end = BYTES_TO_SECTORS(data_offs + readlen + SECTOR_SIZE - 1); -+ sectors = end - start; -+ -+ spare = mtd->oobsize / chip->ecc.steps; -+ column = start * (SECTOR_SIZE + spare); -+ -+ len = SECTORS_TO_BYTES(sectors) + (raw ? sectors * spare : 0); -+ buf = bufpoi + SECTORS_TO_BYTES(start); -+ -+ /* map the device memory */ -+ dma_addr = dma_map_single(host->dev, buf, len, DMA_FROM_DEVICE); -+ if (dma_mapping_error(host->dev, dma_addr)) { -+ dev_err(host->dev, "dma mapping error\n"); -+ return -EINVAL; -+ } -+ -+ /* configure the transfer */ -+ reg = mtk_nfi_readw(host, MTKSDG1_NFI_CNFG); -+ reg |= CNFG_DMA_BURST_EN | CNFG_AHB; -+ if (use_ecc) { -+ reg |= CNFG_AUTO_FMT_EN | CNFG_HW_ECC_EN; -+ mtk_nfi_writew(host, reg, MTKSDG1_NFI_CNFG); -+ -+ /* enable encoder */ -+ mtk_ecc_decoder_idle(host); -+ mtk_ecc_writel(host, DEC_EN, MTKSDG1_ECC_DECCON); -+ } else -+ mtk_nfi_writew(host, reg, MTKSDG1_NFI_CNFG); -+ -+ mtk_nfi_writel(host, sectors << CON_SEC_SHIFT, MTKSDG1_NFI_CON); -+ mtk_nfi_writew(host, INTR_BUSY_RT_EN, MTKSDG1_NFI_INTR_EN); -+ -+ init_completion(nfi); -+ -+ mtk_nfc_set_address(host, column, page, 2, host->row_nob); -+ mtk_nfc_set_command(host, NAND_CMD_READSTART); -+ rc = wait_for_completion_timeout(nfi, timeout); -+ if (!rc) { -+ dev_err(host->dev, "read busy return timeout\n"); -+ goto error; -+ } -+ -+ mtk_nfi_writew(host, INTR_AHB_DONE_EN, MTKSDG1_NFI_INTR_EN); -+ mtk_nfi_writel(host, lower_32_bits(dma_addr), MTKSDG1_NFI_STRADDR); -+ -+ if (use_ecc) { -+ /* program ECC with sector count */ -+ host->ecc.dec_sec = sectors; -+ init_completion(ecc); -+ mtk_ecc_writew(host, DEC_IRQEN, MTKSDG1_ECC_DECIRQ_EN); -+ } -+ -+ init_completion(nfi); -+ -+ /* start DMA */ -+ reg = mtk_nfi_readl(host, MTKSDG1_NFI_CON) | CON_BRD; -+ mtk_nfi_writel(host, reg, MTKSDG1_NFI_CON); -+ -+ rc = wait_for_completion_timeout(nfi, timeout); -+ if (!rc) -+ dev_warn(host->dev, "read ahb/dma done timeout\n"); -+ -+ /* DMA interrupt didn't trigger, check page done just in case */ -+ rc = mtk_nfc_subpage_done(host, sectors); -+ if (rc < 0) { -+ dev_err(host->dev, "subpage done timeout\n"); -+ goto error; -+ } -+ -+ /* raw transfer successful */ -+ bitflips = 0; -+ -+ if (use_ecc) { -+ rc = wait_for_completion_timeout(ecc, timeout); -+ if (!rc) { -+ dev_err(host->dev, "ecc decode timeout\n"); -+ host->ecc.dec_sec = 0; -+ bitflips = -ETIMEDOUT; -+ goto error; -+ } -+ bitflips = mtk_nfc_update_oob(mtd, chip, buf, sectors); -+ } -+ -+error: -+ dma_unmap_single(host->dev, dma_addr, len, DMA_FROM_DEVICE); -+ -+ if (use_ecc) { -+ /* make sure the ECC dec irq is disabled */ -+ mtk_ecc_writew(host, 0, MTKSDG1_ECC_DECIRQ_EN); -+ mtk_ecc_decoder_idle(host); -+ -+ /* disable ECC dec */ -+ mtk_ecc_writew(host, 0, MTKSDG1_ECC_DECCON); -+ } -+ -+ mtk_nfi_writel(host, 0, MTKSDG1_NFI_CON); -+ -+ return bitflips; -+} -+ -+static int mtk_nfc_read_subpage_hwecc(struct mtd_info *mtd, -+ struct nand_chip *chip, uint32_t data_offs, -+ uint32_t readlen, uint8_t *bufpoi, int page) -+{ -+ return mtk_nfc_read_subpage(mtd, chip, data_offs, readlen, -+ bufpoi, page, MTK_ECC_ON); -+} -+ -+static int mtk_nfc_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, -+ uint8_t *buf, int oob_on, int page) -+{ -+ return mtk_nfc_read_subpage_hwecc(mtd, chip, 0, mtd->writesize, -+ buf, page); -+} -+ -+static int mtk_nfc_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip, -+ uint8_t *buf, int oob_on, int page) -+{ -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ uint8_t *src, *dst; -+ int i, ret; -+ size_t len; -+ -+ dst = host->buffer; -+ memset(dst, 0xff, mtd->writesize + mtd->oobsize); -+ ret = mtk_nfc_read_subpage(mtd, chip, 0, mtd->writesize, dst, page, 1); -+ if (ret < 0) -+ return ret; -+ -+ len = SECTOR_SIZE + mtd->oobsize / chip->ecc.steps; -+ -+ /* copy to the output buffer */ -+ for (i = 0; i < chip->ecc.steps; i++) { -+ -+ /* copy sector data */ -+ if (buf) { -+ src = host->buffer + i * len; -+ dst = buf + i * SECTOR_SIZE; -+ memcpy(dst, src, SECTOR_SIZE); -+ } -+ -+ /* copy FDM data to OOB */ -+ if (oob_on) { -+ src = host->buffer + i * len + SECTOR_SIZE; -+ dst = chip->oob_poi + i * MTKSDG1_NFI_FDM_REG_SIZE; -+ memcpy(dst, src, MTKSDG1_NFI_FDM_REG_SIZE); -+ } -+ } -+ -+ return ret; -+} -+ -+static void mtk_nfc_switch_oob(struct mtd_info *mtd, struct nand_chip *chip, -+ uint8_t *buf) -+{ -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ size_t spare; -+ u32 sectors; -+ u8 *bufpoi; -+ int len; -+ -+ spare = mtd->oobsize / chip->ecc.steps; -+ sectors = mtd->writesize / (SECTOR_SIZE + spare); -+ -+ /** -+ * MTK: DATA+oob1, DATA+oob2, DATA+oob3 ... -+ * LNX: DATA+OOB -+ */ -+ /* point to the last oob_i from the NAND device*/ -+ bufpoi = buf + mtd->writesize - (sectors * spare); -+ len = sizeof(host->fdm_reg); -+ -+ /* copy NAND oob to private area */ -+ memcpy(host->fdm_reg, bufpoi, len); -+ -+ /* copy oob_poi to NAND */ -+ memcpy(bufpoi, chip->oob_poi, len); -+ -+ /* copy NAND oob to oob_poi */ -+ memcpy(chip->oob_poi, host->fdm_reg, sizeof(host->fdm_reg)); -+ memset(host->fdm_reg, 0x00, len); -+} -+ -+static int mtk_nfc_read_oob(struct mtd_info *mtd, struct nand_chip *chip, -+ int page) -+{ -+ struct mtk_nfc_host *host = nand_get_controller_data(chip); -+ u8 *buf = chip->buffers->databuf; -+ struct mtd_ecc_stats stats; -+ int ret; -+ -+ stats = mtd->ecc_stats; -+ -+ memset(buf, 0xff, mtd->writesize); -+ chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page); -+ -+ ret = mtk_nfc_read_page_hwecc(mtd, chip, buf, 1, page); -+ -+ if (host->switch_oob) -+ mtk_nfc_switch_oob(mtd, chip, buf); -+ -+ if (ret < mtd->bitflip_threshold) -+ mtd->ecc_stats.corrected = stats.corrected; -+ -+ return ret; -+} -+ -+static int mtk_nfc_read_oob_raw(struct mtd_info *mtd, struct nand_chip *chip, -+ int page) -+{ -+ chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page); -+ -+ return mtk_nfc_read_page_raw(mtd, chip, NULL, MTK_OOB_ON, page); -+} -+ -+static inline void mtk_nfc_hw_init(struct mtk_nfc_host *host) -+{ -+ mtk_nfi_writel(host, 0x10804211, MTKSDG1_NFI_ACCCON); -+ mtk_nfi_writew(host, 0xf1, MTKSDG1_NFI_CNRNB); -+ mtk_nfc_hw_reset(host); -+ -+ /* clear interrupt */ -+ mtk_nfi_readl(host, MTKSDG1_NFI_INTR_STA); -+ mtk_nfi_writel(host, 0, MTKSDG1_NFI_INTR_EN); -+ -+ /* ECC encoder init */ -+ mtk_ecc_encoder_idle(host); -+ mtk_ecc_writew(host, ENC_DE, MTKSDG1_ECC_ENCCON); -+ -+ /* ECC decoder init */ -+ mtk_ecc_decoder_idle(host); -+ mtk_ecc_writel(host, DEC_DE, MTKSDG1_ECC_DECCON); -+} -+ -+static irqreturn_t mtk_nfi_irq(int irq, void *devid) -+{ -+ struct mtk_nfc_host *host = devid; -+ u16 sta, ien; -+ -+ sta = mtk_nfi_readw(host, MTKSDG1_NFI_INTR_STA); -+ ien = mtk_nfi_readw(host, MTKSDG1_NFI_INTR_EN); -+ -+ if (!(sta & ien)) -+ return IRQ_NONE; -+ -+ mtk_nfi_writew(host, ~sta & ien, MTKSDG1_NFI_INTR_EN); -+ complete(&host->nfi.complete); -+ -+ return IRQ_HANDLED; -+} -+ -+static irqreturn_t mtk_ecc_irq(int irq, void *devid) -+{ -+ struct mtk_nfc_host *host = devid; -+ u32 reg_val, mask; -+ -+ reg_val = mtk_ecc_readw(host, MTKSDG1_ECC_DECIRQ_STA); -+ if (reg_val & DEC_IRQEN) { -+ if (host->ecc.dec_sec) { -+ mask = 1 << (host->ecc.dec_sec - 1); -+ reg_val = mtk_ecc_readw(host, MTKSDG1_ECC_DECDONE); -+ if (mask & reg_val) { -+ host->ecc.dec_sec = 0; -+ complete(&host->ecc.complete); -+ mtk_ecc_writew(host, 0, MTKSDG1_ECC_DECIRQ_EN); -+ } -+ } else -+ dev_warn(host->dev, "spurious DEC_IRQ\n"); -+ -+ return IRQ_HANDLED; -+ } -+ -+ reg_val = mtk_ecc_readl(host, MTKSDG1_ECC_ENCIRQ_STA); -+ if (reg_val & ENC_IRQEN) { -+ complete(&host->ecc.complete); -+ mtk_ecc_writel(host, 0, MTKSDG1_ECC_ENCIRQ_EN); -+ -+ return IRQ_HANDLED; -+ } -+ -+ return IRQ_NONE; -+} -+ -+static int mtk_nfc_enable_clk(struct device *dev, struct mtk_nfc_clk *clk) -+{ -+ int ret; -+ -+ ret = clk_prepare_enable(clk->nfi_clk); -+ if (ret) { -+ dev_err(dev, "failed to enable nfi clk\n"); -+ return ret; -+ } -+ -+ ret = clk_prepare_enable(clk->nfiecc_clk); -+ if (ret) { -+ dev_err(dev, "failed to enable nfiecc clk\n"); -+ goto out_nfiecc_clk_disable; -+ } -+ -+ ret = clk_prepare_enable(clk->pad_clk); -+ if (ret) { -+ dev_err(dev, "failed to enable pad clk\n"); -+ goto out_pad_clk_disable; -+ } -+ -+ return 0; -+ -+out_pad_clk_disable: -+ clk_disable_unprepare(clk->nfiecc_clk); -+ -+out_nfiecc_clk_disable: -+ clk_disable_unprepare(clk->nfi_clk); -+ -+ return ret; -+} -+ -+static void mtk_nfc_disable_clk(struct mtk_nfc_clk *clk) -+{ -+ clk_disable_unprepare(clk->nfi_clk); -+ clk_disable_unprepare(clk->nfiecc_clk); -+ clk_disable_unprepare(clk->pad_clk); -+} -+ -+static int mtk_nfc_probe(struct platform_device *pdev) -+{ -+ struct device *dev = &pdev->dev; -+ struct device_node *np = dev->of_node; -+ struct mtk_nfc_host *host; -+ struct nand_chip *chip; -+ struct mtd_info *mtd; -+ struct resource *res; -+ int ret, irq; -+ size_t len; -+ -+ host = devm_kzalloc(dev, sizeof(*host), GFP_KERNEL); -+ if (!host) -+ return -ENOMEM; -+ -+ chip = &host->chip; -+ mtd = nand_to_mtd(chip); -+ host->dev = dev; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ host->nfi.base = devm_ioremap_resource(dev, res); -+ if (IS_ERR(host->nfi.base)) { -+ ret = PTR_ERR(host->nfi.base); -+ dev_err(dev, "no nfi base\n"); -+ return ret; -+ } -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1); -+ host->ecc.base = devm_ioremap_resource(dev, res); -+ if (IS_ERR(host->ecc.base)) { -+ ret = PTR_ERR(host->ecc.base); -+ dev_err(dev, "no ecc base\n"); -+ return ret; -+ } -+ -+ host->clk.nfi_clk = devm_clk_get(dev, "nfi_clk"); -+ if (IS_ERR(host->clk.nfi_clk)) { -+ dev_err(dev, "no clk\n"); -+ ret = PTR_ERR(host->clk.nfi_clk); -+ return ret; -+ } -+ -+ host->clk.nfiecc_clk = devm_clk_get(dev, "nfiecc_clk"); -+ if (IS_ERR(host->clk.nfiecc_clk)) { -+ dev_err(dev, "no ecc clk\n"); -+ ret = PTR_ERR(host->clk.nfiecc_clk); -+ return ret; -+ } -+ -+ host->clk.pad_clk = devm_clk_get(dev, "pad_clk"); -+ if (IS_ERR(host->clk.pad_clk)) { -+ dev_err(dev, "no pad clk\n"); -+ ret = PTR_ERR(host->clk.pad_clk); -+ return ret; -+ } -+ -+ ret = mtk_nfc_enable_clk(dev, &host->clk); -+ if (ret) -+ return ret; -+ -+ irq = platform_get_irq(pdev, 0); -+ if (irq < 0) { -+ dev_err(dev, "no nfi irq resource\n"); -+ ret = -EINVAL; -+ goto clk_disable; -+ } -+ -+ ret = devm_request_irq(dev, irq, mtk_nfi_irq, 0x0, MTK_IRQ_NFI, host); -+ if (ret) { -+ dev_err(dev, "failed to request nfi irq\n"); -+ goto clk_disable; -+ } -+ -+ irq = platform_get_irq(pdev, 1); -+ if (irq < 0) { -+ dev_err(dev, "no ecc irq resource\n"); -+ ret = -EINVAL; -+ goto clk_disable; -+ } -+ -+ ret = devm_request_irq(dev, irq, mtk_ecc_irq, 0x0, MTK_IRQ_ECC, host); -+ if (ret) { -+ dev_err(dev, "failed to request ecc irq\n"); -+ goto clk_disable; -+ } -+ -+ ret = dma_set_mask(dev, DMA_BIT_MASK(32)); -+ if (ret) { -+ dev_err(dev, "failed to set dma mask\n"); -+ goto clk_disable; -+ } -+ -+ platform_set_drvdata(pdev, host); -+ -+ mtd_set_of_node(mtd, np); -+ mtd->owner = THIS_MODULE; -+ mtd->dev.parent = dev; -+ mtd->name = MTK_NAME; -+ -+ nand_set_controller_data(chip, host); -+ chip->options |= NAND_USE_BOUNCE_BUFFER | NAND_SUBPAGE_READ; -+ chip->block_markbad = mtk_nfc_block_markbad; -+ chip->select_chip = mtk_nfc_select_chip; -+ chip->read_byte = mtk_nfc_read_byte; -+ chip->cmdfunc = mtk_nfc_cmdfunc; -+ chip->ecc.mode = NAND_ECC_HW; -+ chip->ecc.write_subpage = mtk_nfc_write_subpage_hwecc; -+ chip->ecc.write_page_raw = mtk_nfc_write_page_raw; -+ chip->ecc.write_page = mtk_nfc_write_page_hwecc; -+ chip->ecc.write_oob_raw = mtk_nfc_write_oob_raw; -+ chip->ecc.write_oob = mtk_nfc_write_oob; -+ chip->ecc.read_subpage = mtk_nfc_read_subpage_hwecc; -+ chip->ecc.read_page_raw = mtk_nfc_read_page_raw; -+ chip->ecc.read_oob_raw = mtk_nfc_read_oob_raw; -+ chip->ecc.read_page = mtk_nfc_read_page_hwecc; -+ chip->ecc.read_oob = mtk_nfc_read_oob; -+ -+ mtk_nfc_hw_init(host); -+ -+ ret = nand_scan_ident(mtd, MTK_NAND_MAX_CHIP, NULL); -+ if (ret) { -+ ret = -ENODEV; -+ goto clk_disable; -+ } -+ -+ ret = mtk_nfc_hw_runtime_config(mtd); -+ if (ret < 0) { -+ dev_err(dev, "nand device not supported\n"); -+ goto clk_disable; -+ } -+ -+ len = mtd->writesize + mtd->oobsize; -+ host->buffer = devm_kzalloc(dev, len, GFP_KERNEL); -+ if (!host->buffer) { -+ ret = -ENOMEM; -+ goto clk_disable; -+ } -+ -+ /* required to create bbt table if not present */ -+ host->switch_oob = true; -+ ret = nand_scan_tail(mtd); -+ if (ret) { -+ ret = -ENODEV; -+ goto clk_disable; -+ } -+ host->switch_oob = false; -+ -+ ret = mtd_device_parse_register(mtd, NULL, NULL, NULL, 0); -+ if (ret) { -+ dev_err(dev, "mtd parse partition error\n"); -+ goto nand_free; -+ } -+ -+ return 0; -+ -+nand_free: -+ nand_release(mtd); -+ -+clk_disable: -+ mtk_nfc_disable_clk(&host->clk); -+ -+ return ret; -+} -+ -+static int mtk_nfc_remove(struct platform_device *pdev) -+{ -+ struct mtk_nfc_host *host = platform_get_drvdata(pdev); -+ struct mtd_info *mtd = nand_to_mtd(&host->chip); -+ -+ nand_release(mtd); -+ mtk_nfc_disable_clk(&host->clk); -+ -+ return 0; -+} -+ -+#ifdef CONFIG_PM_SLEEP -+static int mtk_nfc_suspend(struct device *dev) -+{ -+ struct mtk_nfc_host *host = dev_get_drvdata(dev); -+ struct mtk_nfc_saved_reg *reg = &host->saved_reg; -+ -+ reg->nfi.emp_thresh = mtk_nfi_readl(host, MTKSDG1_NFI_EMPTY_THRESH); -+ reg->ecc.enccnfg = mtk_ecc_readl(host, MTKSDG1_ECC_ENCCNFG); -+ reg->ecc.deccnfg = mtk_ecc_readl(host, MTKSDG1_ECC_DECCNFG); -+ reg->nfi.pagefmt = mtk_nfi_readw(host, MTKSDG1_NFI_PAGEFMT); -+ reg->nfi.acccon = mtk_nfi_readl(host, MTKSDG1_NFI_ACCCON); -+ reg->nfi.cnrnb = mtk_nfi_readw(host, MTKSDG1_NFI_CNRNB); -+ reg->nfi.csel = mtk_nfi_readw(host, MTKSDG1_NFI_CSEL); -+ -+ mtk_nfc_disable_clk(&host->clk); -+ -+ return 0; -+} -+ -+static int mtk_nfc_resume(struct device *dev) -+{ -+ struct mtk_nfc_host *host = dev_get_drvdata(dev); -+ struct mtk_nfc_saved_reg *reg = &host->saved_reg; -+ struct nand_chip *chip = &host->chip; -+ struct mtd_info *mtd = nand_to_mtd(chip); -+ int ret; -+ u32 i; -+ -+ udelay(200); -+ -+ ret = mtk_nfc_enable_clk(dev, &host->clk); -+ if (ret) -+ return ret; -+ -+ for (i = 0; i < chip->numchips; i++) { -+ chip->select_chip(mtd, i); -+ chip->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); -+ } -+ -+ mtk_nfi_writel(host, reg->nfi.emp_thresh, MTKSDG1_NFI_EMPTY_THRESH); -+ mtk_nfi_writew(host, reg->nfi.pagefmt, MTKSDG1_NFI_PAGEFMT); -+ mtk_ecc_writel(host, reg->ecc.enccnfg, MTKSDG1_ECC_ENCCNFG); -+ mtk_ecc_writel(host, reg->ecc.deccnfg, MTKSDG1_ECC_DECCNFG); -+ mtk_nfi_writel(host, reg->nfi.acccon, MTKSDG1_NFI_ACCCON); -+ mtk_nfi_writew(host, reg->nfi.cnrnb, MTKSDG1_NFI_CNRNB); -+ mtk_nfi_writew(host, reg->nfi.csel, MTKSDG1_NFI_CSEL); -+ -+ return 0; -+} -+ -+static SIMPLE_DEV_PM_OPS(mtk_nfc_pm_ops, mtk_nfc_suspend, mtk_nfc_resume); -+#endif -+ -+static const struct of_device_id mtk_nfc_id_table[] = { -+ { .compatible = "mediatek,mt2701-nfc" }, -+ {} -+}; -+MODULE_DEVICE_TABLE(of, mtk_nfc_id_table); -+ -+static struct platform_driver mtk_nfc_driver = { -+ .probe = mtk_nfc_probe, -+ .remove = mtk_nfc_remove, -+ .driver = { -+ .name = MTK_NAME, -+ .of_match_table = mtk_nfc_id_table, -+#ifdef CONFIG_PM_SLEEP -+ .pm = &mtk_nfc_pm_ops, -+#endif -+ }, -+}; -+ -+module_platform_driver(mtk_nfc_driver); -+ -+MODULE_LICENSE("GPL"); -+MODULE_AUTHOR("Xiaolei Li <xiaolei.li@mediatek.com>"); -+MODULE_DESCRIPTION("MTK Nand Flash Controller Driver"); -+ -diff --git a/drivers/mtd/nand/mtksdg1_nand_ecc.h b/drivers/mtd/nand/mtksdg1_nand_ecc.h -new file mode 100644 -index 0000000..d90b196 ---- /dev/null -+++ b/drivers/mtd/nand/mtksdg1_nand_ecc.h -@@ -0,0 +1,75 @@ -+/* -+ * MTK smart device ECC engine register. -+ * Copyright (C) 2015-2016 MediaTek Inc. -+ * Author: Xiaolei.Li <xiaolei.li@mediatek.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ */ -+ -+#ifndef MTKSDG1_NAND_ECC_H -+#define MTKSDG1_NAND_ECC_H -+ -+/* ECC engine register definition */ -+#define MTKSDG1_ECC_ENCCON (0x00) -+#define ENC_EN (1) -+#define ENC_DE (0) -+ -+#define MTKSDG1_ECC_ENCCNFG (0x04) -+#define ECC_CNFG_4BIT (0) -+#define ECC_CNFG_12BIT (4) -+#define ECC_NFI_MODE BIT(5) -+#define ECC_DMA_MODE (0) -+#define ECC_ENC_MODE_MASK (0x3 << 5) -+#define ECC_MS_SHIFT (16) -+ -+#define MTKSDG1_ECC_ENCDIADDR (0x08) -+ -+#define MTKSDG1_ECC_ENCIDLE (0x0C) -+#define ENC_IDLE BIT(0) -+ -+#define MTKSDG1_ECC_ENCPAR0 (0x10) -+#define MTKSDG1_ECC_ENCSTA (0x7C) -+ -+#define MTKSDG1_ECC_ENCIRQ_EN (0x80) -+#define ENC_IRQEN BIT(0) -+ -+#define MTKSDG1_ECC_ENCIRQ_STA (0x84) -+ -+#define MTKSDG1_ECC_DECCON (0x100) -+#define DEC_EN (1) -+#define DEC_DE (0) -+ -+#define MTKSDG1_ECC_DECCNFG (0x104) -+#define DEC_EMPTY_EN BIT(31) -+#define DEC_CNFG_FER (0x1 << 12) -+#define DEC_CNFG_EL (0x2 << 12) -+#define DEC_CNFG_CORRECT (0x3 << 12) -+ -+#define MTKSDG1_ECC_DECIDLE (0x10C) -+#define DEC_IDLE BIT(0) -+ -+#define MTKSDG1_ECC_DECFER (0x110) -+ -+#define MTKSDG1_ECC_DECENUM0 (0x114) -+#define ERR_MASK (0x3f) -+ -+#define MTKSDG1_ECC_DECDONE (0x124) -+ -+#define MTKSDG1_ECC_DECEL0 (0x128) -+ -+#define MTKSDG1_ECC_DECIRQ_EN (0x200) -+#define DEC_IRQEN BIT(0) -+ -+#define MTKSDG1_ECC_DECIRQ_STA (0x204) -+ -+#define MTKSDG1_ECC_DECFSM (0x208) -+#define DECFSM_MASK (0x7f0f0f0f) -+#define DECFSM_IDLE (0x01010101) -+#endif -diff --git a/drivers/mtd/nand/mtksdg1_nand_nfi.h b/drivers/mtd/nand/mtksdg1_nand_nfi.h -new file mode 100644 -index 0000000..a9aa6f6 ---- /dev/null -+++ b/drivers/mtd/nand/mtksdg1_nand_nfi.h -@@ -0,0 +1,119 @@ -+/* -+ * MTK smart device NAND Flash controller register. -+ * Copyright (C) 2015-2016 MediaTek Inc. -+ * Author: Xiaolei.Li <xiaolei.li@mediatek.com> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ * -+ * This program is distributed in the hope that it will be useful, -+ * but WITHOUT ANY WARRANTY; without even the implied warranty of -+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+ * GNU General Public License for more details. -+ */ -+ -+#ifndef MTKSDG1_NAND_NFI_H -+#define MTKSDG1_NAND_NFI_H -+ -+/* NAND controller register definition */ -+#define MTKSDG1_NFI_CNFG (0x00) -+#define CNFG_AHB BIT(0) -+#define CNFG_READ_EN BIT(1) -+#define CNFG_DMA_BURST_EN BIT(2) -+#define CNFG_BYTE_RW BIT(6) -+#define CNFG_HW_ECC_EN BIT(8) -+#define CNFG_AUTO_FMT_EN BIT(9) -+#define CNFG_OP_IDLE (0 << 12) -+#define CNFG_OP_READ (1 << 12) -+#define CNFG_OP_SRD (2 << 12) -+#define CNFG_OP_PRGM (3 << 12) -+#define CNFG_OP_ERASE (4 << 12) -+#define CNFG_OP_RESET (5 << 12) -+#define CNFG_OP_CUST (6 << 12) -+ -+#define MTKSDG1_NFI_PAGEFMT (0x04) -+#define PAGEFMT_FDM_ECC_SHIFT (12) -+#define PAGEFMT_FDM_SHIFT (8) -+#define PAGEFMT_SPARE_16 (0) -+#define PAGEFMT_SPARE_32 (4) -+#define PAGEFMT_SPARE_SHIFT (4) -+#define PAGEFMT_SEC_SEL_512 BIT(2) -+#define PAGEFMT_512_2K (0) -+#define PAGEFMT_2K_4K (1) -+#define PAGEFMT_4K_8K (2) -+ -+/* NFI control */ -+#define MTKSDG1_NFI_CON (0x08) -+#define CON_FIFO_FLUSH BIT(0) -+#define CON_NFI_RST BIT(1) -+#define CON_SRD BIT(4) /* single read */ -+#define CON_BRD BIT(8) /* burst read */ -+#define CON_BWR BIT(9) /* burst write */ -+#define CON_SEC_SHIFT (12) -+ -+/* Timming control register */ -+#define MTKSDG1_NFI_ACCCON (0x0C) -+ -+#define MTKSDG1_NFI_INTR_EN (0x10) -+#define INTR_RD_DONE_EN BIT(0) -+#define INTR_WR_DONE_EN BIT(1) -+#define INTR_RST_DONE_EN BIT(2) -+#define INTR_ERS_DONE_EN BIT(3) -+#define INTR_BUSY_RT_EN BIT(4) -+#define INTR_AHB_DONE_EN BIT(6) -+ -+#define MTKSDG1_NFI_INTR_STA (0x14) -+ -+#define MTKSDG1_NFI_CMD (0x20) -+ -+#define MTKSDG1_NFI_ADDRNOB (0x30) -+#define ADDR_ROW_NOB_SHIFT (4) -+ -+#define MTKSDG1_NFI_COLADDR (0x34) -+#define MTKSDG1_NFI_ROWADDR (0x38) -+#define MTKSDG1_NFI_STRDATA (0x40) -+#define MTKSDG1_NFI_CNRNB (0x44) -+#define MTKSDG1_NFI_DATAW (0x50) -+#define MTKSDG1_NFI_DATAR (0x54) -+#define MTKSDG1_NFI_PIO_DIRDY (0x58) -+#define PIO_DI_RDY (0x01) -+ -+/* NFI state*/ -+#define MTKSDG1_NFI_STA (0x60) -+#define STA_CMD BIT(0) -+#define STA_ADDR BIT(1) -+#define STA_DATAR BIT(2) -+#define STA_DATAW BIT(3) -+#define STA_EMP_PAGE BIT(12) -+ -+#define MTKSDG1_NFI_FIFOSTA (0x64) -+ -+#define MTKSDG1_NFI_ADDRCNTR (0x70) -+#define CNTR_MASK GENMASK(16, 12) -+ -+#define MTKSDG1_NFI_STRADDR (0x80) -+#define MTKSDG1_NFI_BYTELEN (0x84) -+#define MTKSDG1_NFI_CSEL (0x90) -+#define MTKSDG1_NFI_IOCON (0x94) -+ -+/* FDM data for sector: FDM0[L,H] - FDMF[L,H] */ -+#define MTKSDG1_NFI_FDM_MAX_SEC (0x10) -+#define MTKSDG1_NFI_FDM_REG_SIZE (8) -+#define MTKSDG1_NFI_FDM0L (0xA0) -+#define MTKSDG1_NFI_FDM0M (0xA4) -+ -+ -+#define MTKSDG1_NFI_FIFODATA0 (0x190) -+#define MTKSDG1_NFI_DEBUG_CON1 (0x220) -+#define MTKSDG1_NFI_MASTER_STA (0x224) -+#define MASTER_STA_MASK (0x0FFF) -+ -+#define MTKSDG1_NFI_RANDOM_CNFG (0x238) -+#define MTKSDG1_NFI_EMPTY_THRESH (0x23C) -+#define MTKSDG1_NFI_NAND_TYPE (0x240) -+#define MTKSDG1_NFI_ACCCON1 (0x244) -+#define MTKSDG1_NFI_DELAY_CTRL (0x248) -+ -+#endif -+ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0066-net-mediatek-unlock-on-error-in-mtk_tx_map.patch b/target/linux/mediatek/patches-4.4/0058-net-mediatek-unlock-on-error-in-mtk_tx_map.patch index 75f09d54ed..a3f861b72c 100644 --- a/target/linux/mediatek/patches-4.4/0066-net-mediatek-unlock-on-error-in-mtk_tx_map.patch +++ b/target/linux/mediatek/patches-4.4/0058-net-mediatek-unlock-on-error-in-mtk_tx_map.patch @@ -1,7 +1,7 @@ -From 489994e9cb0d9f762c31e2af9205188ae8f3b013 Mon Sep 17 00:00:00 2001 +From 6c12340c0c307d18b8d6120f64a8275b6d4d3e67 Mon Sep 17 00:00:00 2001 From: Dan Carpenter <dan.carpenter@oracle.com> Date: Tue, 15 Mar 2016 10:19:04 +0300 -Subject: [PATCH 66/91] net: mediatek: unlock on error in mtk_tx_map() +Subject: [PATCH 058/102] net: mediatek: unlock on error in mtk_tx_map() There was a missing unlock on the error path. @@ -11,8 +11,6 @@ Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 ++ 1 file changed, 2 insertions(+) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 9759fe5..c2c2e206 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -661,6 +661,8 @@ err_dma: @@ -24,6 +22,3 @@ index 9759fe5..c2c2e206 100644 return -ENOMEM; } --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0059-mtd-nand-backport-fixes.patch b/target/linux/mediatek/patches-4.4/0059-mtd-nand-backport-fixes.patch deleted file mode 100644 index 074346a6ff..0000000000 --- a/target/linux/mediatek/patches-4.4/0059-mtd-nand-backport-fixes.patch +++ /dev/null @@ -1,46 +0,0 @@ -From 96bddff914c0cee1b16d809220e84b470b433122 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Thu, 31 Mar 2016 02:28:08 +0200 -Subject: [PATCH 59/91] mtd: nand: backport fixes - ---- - drivers/mtd/nand/mtksdg1_nand.c | 9 ++++++++- - 1 file changed, 8 insertions(+), 1 deletion(-) - -diff --git a/drivers/mtd/nand/mtksdg1_nand.c b/drivers/mtd/nand/mtksdg1_nand.c -index 55dd17d..f92b949 100644 ---- a/drivers/mtd/nand/mtksdg1_nand.c -+++ b/drivers/mtd/nand/mtksdg1_nand.c -@@ -107,6 +107,9 @@ static struct nand_ecclayout nand_4k_128 = { - .oobfree = { {0, 32} }, - }; - -+static const char * const part_probes[] = { -+ "cmdlinepart", "RedBoot", "ofpart", NULL }; -+ - /* NFI register access */ - static inline void mtk_nfi_writel(struct mtk_nfc_host *host, u32 val, u32 reg) - { -@@ -1298,6 +1301,7 @@ static int mtk_nfc_probe(struct platform_device *pdev) - - chip = &host->chip; - mtd = nand_to_mtd(chip); -+ mtd->priv = chip; - host->dev = dev; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -@@ -1428,7 +1432,10 @@ static int mtk_nfc_probe(struct platform_device *pdev) - } - host->switch_oob = false; - -- ret = mtd_device_parse_register(mtd, NULL, NULL, NULL, 0); -+ ret = mtd_device_parse_register(mtd, part_probes, -+ &(struct mtd_part_parser_data) { -+ .of_node = pdev->dev.of_node, -+ }, NULL, 0); - if (ret) { - dev_err(dev, "mtd parse partition error\n"); - goto nand_free; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0067-net-mediatek-use-dma_addr_t-correctly.patch b/target/linux/mediatek/patches-4.4/0059-net-mediatek-use-dma_addr_t-correctly.patch index e86bc22544..0dd5f2d29d 100644 --- a/target/linux/mediatek/patches-4.4/0067-net-mediatek-use-dma_addr_t-correctly.patch +++ b/target/linux/mediatek/patches-4.4/0059-net-mediatek-use-dma_addr_t-correctly.patch @@ -1,7 +1,7 @@ -From ac345476b98f3856bbf3938e114d4be799f8bd69 Mon Sep 17 00:00:00 2001 +From a572747434b6153e75812c5466c0557e5ed69284 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann <arnd@arndb.de> Date: Mon, 14 Mar 2016 15:07:10 +0100 -Subject: [PATCH 67/91] net: mediatek: use dma_addr_t correctly +Subject: [PATCH 059/102] net: mediatek: use dma_addr_t correctly dma_alloc_coherent() expects a dma_addr_t pointer as its argument, not an 'unsigned int', and gcc correctly warns about broken @@ -17,11 +17,9 @@ Signed-off-by: Arnd Bergmann <arnd@arndb.de> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index c2c2e206..a005bc4 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -453,7 +453,7 @@ static inline void mtk_rx_get_desc(struct mtk_rx_dma *rxd, +@@ -453,7 +453,7 @@ static inline void mtk_rx_get_desc(struc /* the qdma core needs scratch memory to be setup */ static int mtk_init_fq_dma(struct mtk_eth *eth) { @@ -30,6 +28,3 @@ index c2c2e206..a005bc4 100644 int cnt = MTK_DMA_SIZE; dma_addr_t dma_addr; int i; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0068-net-mediatek-remove-incorrect-dma_mask-assignment.patch b/target/linux/mediatek/patches-4.4/0060-net-mediatek-remove-incorrect-dma_mask-assignment.patch index 262e5c17ba..d1df7327b1 100644 --- a/target/linux/mediatek/patches-4.4/0068-net-mediatek-remove-incorrect-dma_mask-assignment.patch +++ b/target/linux/mediatek/patches-4.4/0060-net-mediatek-remove-incorrect-dma_mask-assignment.patch @@ -1,7 +1,7 @@ -From 8b6bb80616460eda2e70e358c5fb70c0f4d4d02f Mon Sep 17 00:00:00 2001 +From 8473af12d5aa34613070447d6fd8f785f31301de Mon Sep 17 00:00:00 2001 From: Arnd Bergmann <arnd@arndb.de> Date: Mon, 14 Mar 2016 15:07:11 +0100 -Subject: [PATCH 68/91] net: mediatek: remove incorrect dma_mask assignment +Subject: [PATCH 060/102] net: mediatek: remove incorrect dma_mask assignment Device drivers should not mess with the DMA mask directly, but instead call dma_set_mask() etc if needed. @@ -17,11 +17,9 @@ Signed-off-by: Arnd Bergmann <arnd@arndb.de> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 3 --- 1 file changed, 3 deletions(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index a005bc4..fcd4ed7 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -1678,9 +1678,6 @@ static int mtk_probe(struct platform_device *pdev) +@@ -1678,9 +1678,6 @@ static int mtk_probe(struct platform_dev struct mtk_eth *eth; int err; @@ -31,6 +29,3 @@ index a005bc4..fcd4ed7 100644 device_reset(&pdev->dev); match = of_match_device(of_mtk_match, &pdev->dev); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0069-net-mediatek-check-device_reset-return-code.patch b/target/linux/mediatek/patches-4.4/0061-net-mediatek-check-device_reset-return-code.patch index 30ead3800c..ebc6d9b361 100644 --- a/target/linux/mediatek/patches-4.4/0069-net-mediatek-check-device_reset-return-code.patch +++ b/target/linux/mediatek/patches-4.4/0061-net-mediatek-check-device_reset-return-code.patch @@ -1,7 +1,7 @@ -From cd7ea7dae994beea798115f4c34c96f45cc028d1 Mon Sep 17 00:00:00 2001 +From 99159791184752ece724b741f9fa6334fdc67123 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann <arnd@arndb.de> Date: Mon, 14 Mar 2016 15:07:12 +0100 -Subject: [PATCH 69/91] net: mediatek: check device_reset return code +Subject: [PATCH 061/102] net: mediatek: check device_reset return code The device_reset() function may fail, so we have to check its return value, e.g. to make deferred probing work correctly. @@ -18,11 +18,9 @@ Signed-off-by: Arnd Bergmann <arnd@arndb.de> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index fcd4ed7..7f2126b 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -1678,7 +1678,9 @@ static int mtk_probe(struct platform_device *pdev) +@@ -1678,7 +1678,9 @@ static int mtk_probe(struct platform_dev struct mtk_eth *eth; int err; @@ -33,6 +31,3 @@ index fcd4ed7..7f2126b 100644 match = of_match_device(of_mtk_match, &pdev->dev); soc = (struct mtk_soc_data *)match->data; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0070-net-mediatek-watchdog_timeo-was-not-set.patch b/target/linux/mediatek/patches-4.4/0062-net-mediatek-watchdog_timeo-was-not-set.patch index a4c5e9ffd6..ca2e791a37 100644 --- a/target/linux/mediatek/patches-4.4/0070-net-mediatek-watchdog_timeo-was-not-set.patch +++ b/target/linux/mediatek/patches-4.4/0062-net-mediatek-watchdog_timeo-was-not-set.patch @@ -1,7 +1,7 @@ -From 5fac03871435c52f7f9b7f34aefb2774089d32f9 Mon Sep 17 00:00:00 2001 +From 387257cbd6f3f92de71e2f578d3a9414d0dada27 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Wed, 30 Mar 2016 03:18:17 +0200 -Subject: [PATCH 70/91] net: mediatek: watchdog_timeo was not set +Subject: [PATCH 062/102] net: mediatek: watchdog_timeo was not set The original commit failed to set watchdog_timeo. This patch sets watchdog_timeo to HZ. @@ -11,11 +11,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 1 + 1 file changed, 1 insertion(+) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 7f2126b..7e6d2e2 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -1645,6 +1645,7 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) +@@ -1645,6 +1645,7 @@ static int mtk_add_mac(struct mtk_eth *e mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; SET_NETDEV_DEV(eth->netdev[id], eth->dev); @@ -23,6 +21,3 @@ index 7f2126b..7e6d2e2 100644 eth->netdev[id]->netdev_ops = &mtk_netdev_ops; eth->netdev[id]->base_addr = (unsigned long)eth->base; eth->netdev[id]->vlan_features = MTK_HW_FEATURES & --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0071-net-mediatek-mtk_cal_txd_req-returns-bad-value.patch b/target/linux/mediatek/patches-4.4/0063-net-mediatek-mtk_cal_txd_req-returns-bad-value.patch index c18fa0c996..a81f165980 100644 --- a/target/linux/mediatek/patches-4.4/0071-net-mediatek-mtk_cal_txd_req-returns-bad-value.patch +++ b/target/linux/mediatek/patches-4.4/0063-net-mediatek-mtk_cal_txd_req-returns-bad-value.patch @@ -1,7 +1,7 @@ -From ca0d5851de3763fe309d3083693f1a438c6e98c9 Mon Sep 17 00:00:00 2001 +From d8f3e96943334c91ecc0827ed0d3232068c389e6 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Tue, 22 Mar 2016 04:42:27 +0100 -Subject: [PATCH 71/91] net: mediatek: mtk_cal_txd_req() returns bad value +Subject: [PATCH 063/102] net: mediatek: mtk_cal_txd_req() returns bad value The code used to also support the PDMA engine, which had 2 packet pointers per descriptor. Because of this we have to divide the result by 2 and round @@ -12,11 +12,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 7e6d2e2..4d8d0a3 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -681,7 +681,7 @@ static inline int mtk_cal_txd_req(struct sk_buff *skb) +@@ -681,7 +681,7 @@ static inline int mtk_cal_txd_req(struct nfrags += skb_shinfo(skb)->nr_frags; } @@ -25,6 +23,3 @@ index 7e6d2e2..4d8d0a3 100644 } static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev) --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0072-net-mediatek-remove-superflous-reset-call.patch b/target/linux/mediatek/patches-4.4/0064-net-mediatek-remove-superflous-reset-call.patch index c2b5fdafa6..434a6e38ed 100644 --- a/target/linux/mediatek/patches-4.4/0072-net-mediatek-remove-superflous-reset-call.patch +++ b/target/linux/mediatek/patches-4.4/0064-net-mediatek-remove-superflous-reset-call.patch @@ -1,7 +1,7 @@ -From 51dc0a2114c3d6e51bf2acde415fccdec031e480 Mon Sep 17 00:00:00 2001 +From 2597d2cedba62b2a3fdca9c044187705f98a0372 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Fri, 25 Mar 2016 04:24:27 +0100 -Subject: [PATCH 72/91] net: mediatek: remove superflous reset call +Subject: [PATCH 064/102] net: mediatek: remove superflous reset call HW reset is triggered int he mtk_hw_init() function. There is no need to reset the core during probe. @@ -11,11 +11,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 4 ---- 1 file changed, 4 deletions(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 4d8d0a3..293ea59 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -1679,10 +1679,6 @@ static int mtk_probe(struct platform_device *pdev) +@@ -1679,10 +1679,6 @@ static int mtk_probe(struct platform_dev struct mtk_eth *eth; int err; @@ -26,6 +24,3 @@ index 4d8d0a3..293ea59 100644 match = of_match_device(of_mtk_match, &pdev->dev); soc = (struct mtk_soc_data *)match->data; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0073-net-mediatek-fix-stop-and-wakeup-of-queue.patch b/target/linux/mediatek/patches-4.4/0065-net-mediatek-fix-stop-and-wakeup-of-queue.patch index b14b67acf0..1660e4204d 100644 --- a/target/linux/mediatek/patches-4.4/0073-net-mediatek-fix-stop-and-wakeup-of-queue.patch +++ b/target/linux/mediatek/patches-4.4/0065-net-mediatek-fix-stop-and-wakeup-of-queue.patch @@ -1,7 +1,7 @@ -From 868eb5a3d0217e1ecdc2f628c6dc4fcd18562a71 Mon Sep 17 00:00:00 2001 +From afc838dde560ab584d3fb0e4b011e4a6770dab3d Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Tue, 29 Mar 2016 16:41:07 +0200 -Subject: [PATCH 73/91] net: mediatek: fix stop and wakeup of queue +Subject: [PATCH 065/102] net: mediatek: fix stop and wakeup of queue The driver supports 2 MACs. Both run on the same DMA ring. If we go above/below the TX rings thershold value, we always need to wake/stop @@ -13,11 +13,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 37 +++++++++++++++++++-------- 1 file changed, 27 insertions(+), 10 deletions(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 293ea59..04bdb9d 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -684,6 +684,28 @@ static inline int mtk_cal_txd_req(struct sk_buff *skb) +@@ -684,6 +684,28 @@ static inline int mtk_cal_txd_req(struct return nfrags; } @@ -46,7 +44,7 @@ index 293ea59..04bdb9d 100644 static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct mtk_mac *mac = netdev_priv(dev); -@@ -695,7 +717,7 @@ static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev) +@@ -695,7 +717,7 @@ static int mtk_start_xmit(struct sk_buff tx_num = mtk_cal_txd_req(skb); if (unlikely(atomic_read(&ring->free_count) <= tx_num)) { @@ -55,7 +53,7 @@ index 293ea59..04bdb9d 100644 netif_err(eth, tx_queued, dev, "Tx Ring full when queue awake!\n"); return NETDEV_TX_BUSY; -@@ -720,10 +742,10 @@ static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev) +@@ -720,10 +742,10 @@ static int mtk_start_xmit(struct sk_buff goto drop; if (unlikely(atomic_read(&ring->free_count) <= ring->thresh)) { @@ -68,7 +66,7 @@ index 293ea59..04bdb9d 100644 } return NETDEV_TX_OK; -@@ -897,13 +919,8 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget, bool *tx_again) +@@ -897,13 +919,8 @@ static int mtk_poll_tx(struct mtk_eth *e if (!total) return 0; @@ -84,6 +82,3 @@ index 293ea59..04bdb9d 100644 return total; } --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0074-net-mediatek-fix-mtk_pending_work.patch b/target/linux/mediatek/patches-4.4/0066-net-mediatek-fix-mtk_pending_work.patch index 1a2ce6f873..b233578106 100644 --- a/target/linux/mediatek/patches-4.4/0074-net-mediatek-fix-mtk_pending_work.patch +++ b/target/linux/mediatek/patches-4.4/0066-net-mediatek-fix-mtk_pending_work.patch @@ -1,7 +1,7 @@ -From 300ca8c6b5dcee2593f22d5bf8f13bb4da8c19c5 Mon Sep 17 00:00:00 2001 +From e2cc73e6ddb0cc39b8f58654a449651a621916a9 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Tue, 29 Mar 2016 17:00:47 +0200 -Subject: [PATCH 74/91] net: mediatek: fix mtk_pending_work +Subject: [PATCH 066/102] net: mediatek: fix mtk_pending_work The driver supports 2 MACs. Both run on the same DMA ring. If we hit a TX timeout we need to stop both netdevs before retarting them again. If we @@ -13,11 +13,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 30 +++++++++++++++++++-------- 1 file changed, 21 insertions(+), 9 deletions(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 04bdb9d..26eeb1a 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -1430,19 +1430,31 @@ static int mtk_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) +@@ -1430,19 +1430,31 @@ static int mtk_do_ioctl(struct net_devic static void mtk_pending_work(struct work_struct *work) { @@ -58,6 +56,3 @@ index 04bdb9d..26eeb1a 100644 } rtnl_unlock(); } --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0075-net-mediatek-fix-TX-locking.patch b/target/linux/mediatek/patches-4.4/0067-net-mediatek-fix-TX-locking.patch index 0c68499827..d750de6af1 100644 --- a/target/linux/mediatek/patches-4.4/0075-net-mediatek-fix-TX-locking.patch +++ b/target/linux/mediatek/patches-4.4/0067-net-mediatek-fix-TX-locking.patch @@ -1,7 +1,7 @@ -From 506c56fe0c3986c13fbca474ee91b061fbc850ca Mon Sep 17 00:00:00 2001 +From 6f152b2bdb295d86beb746494ef6fddf17986f8e Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Tue, 29 Mar 2016 17:20:01 +0200 -Subject: [PATCH 75/91] net: mediatek: fix TX locking +Subject: [PATCH 067/102] net: mediatek: fix TX locking Inside the TX path there is a lock inside the tx_map function. This is however too late. The patch moves the lock to the start of the xmit @@ -15,11 +15,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 26eeb1a..67b18f9 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -536,7 +536,6 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, +@@ -536,7 +536,6 @@ static int mtk_tx_map(struct sk_buff *sk struct mtk_eth *eth = mac->hw; struct mtk_tx_dma *itxd, *txd; struct mtk_tx_buf *tx_buf; @@ -27,7 +25,7 @@ index 26eeb1a..67b18f9 100644 dma_addr_t mapped_addr; unsigned int nr_frags; int i, n_desc = 1; -@@ -568,11 +567,6 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, +@@ -568,11 +567,6 @@ static int mtk_tx_map(struct sk_buff *sk if (unlikely(dma_mapping_error(&dev->dev, mapped_addr))) return -ENOMEM; @@ -39,7 +37,7 @@ index 26eeb1a..67b18f9 100644 WRITE_ONCE(itxd->txd1, mapped_addr); tx_buf->flags |= MTK_TX_FLAGS_SINGLE0; dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); -@@ -632,8 +626,6 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, +@@ -632,8 +626,6 @@ static int mtk_tx_map(struct sk_buff *sk WRITE_ONCE(itxd->txd3, (TX_DMA_SWC | TX_DMA_PLEN0(skb_headlen(skb)) | (!nr_frags * TX_DMA_LS0))); @@ -57,7 +55,7 @@ index 26eeb1a..67b18f9 100644 return -ENOMEM; } -@@ -712,14 +702,22 @@ static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev) +@@ -712,14 +702,22 @@ static int mtk_start_xmit(struct sk_buff struct mtk_eth *eth = mac->hw; struct mtk_tx_ring *ring = ð->tx_ring; struct net_device_stats *stats = &dev->stats; @@ -80,7 +78,7 @@ index 26eeb1a..67b18f9 100644 return NETDEV_TX_BUSY; } -@@ -747,10 +745,12 @@ static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev) +@@ -747,10 +745,12 @@ static int mtk_start_xmit(struct sk_buff ring->thresh)) mtk_wake_queue(eth); } @@ -93,6 +91,3 @@ index 26eeb1a..67b18f9 100644 stats->tx_dropped++; dev_kfree_skb(skb); return NETDEV_TX_OK; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0076-net-mediatek-move-the-pending_work-struct-to-the-dev.patch b/target/linux/mediatek/patches-4.4/0068-net-mediatek-move-the-pending_work-struct-to-the-dev.patch index 4dd0d45b0e..497309144c 100644 --- a/target/linux/mediatek/patches-4.4/0076-net-mediatek-move-the-pending_work-struct-to-the-dev.patch +++ b/target/linux/mediatek/patches-4.4/0068-net-mediatek-move-the-pending_work-struct-to-the-dev.patch @@ -1,7 +1,7 @@ -From d42de6ec9325c29d0f59c5df74a5cbceb00ddd9d Mon Sep 17 00:00:00 2001 +From 29bc7a1e374425937b5dd2f316dbeef343d4c68a Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Tue, 29 Mar 2016 17:24:24 +0200 -Subject: [PATCH 76/91] net: mediatek: move the pending_work struct to the +Subject: [PATCH 068/102] net: mediatek: move the pending_work struct to the device generic struct The worker always touches both netdevs. It is ethernet core and not MAC @@ -13,11 +13,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/net/ethernet/mediatek/mtk_eth_soc.h | 4 ++-- 2 files changed, 6 insertions(+), 8 deletions(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 67b18f9..bbcd607 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -1193,7 +1193,7 @@ static void mtk_tx_timeout(struct net_device *dev) +@@ -1193,7 +1193,7 @@ static void mtk_tx_timeout(struct net_de eth->netdev[mac->id]->stats.tx_errors++; netif_err(eth, tx_err, dev, "transmit timed out\n"); @@ -26,7 +24,7 @@ index 67b18f9..bbcd607 100644 } static irqreturn_t mtk_handle_irq(int irq, void *_eth) -@@ -1438,7 +1438,7 @@ static void mtk_pending_work(struct work_struct *work) +@@ -1438,7 +1438,7 @@ static void mtk_pending_work(struct work /* stop all devices to make sure that dma is properly shut down */ for (i = 0; i < MTK_MAC_COUNT; i++) { @@ -35,7 +33,7 @@ index 67b18f9..bbcd607 100644 continue; mtk_stop(eth->netdev[i]); __set_bit(i, &restart); -@@ -1464,15 +1464,13 @@ static int mtk_cleanup(struct mtk_eth *eth) +@@ -1464,15 +1464,13 @@ static int mtk_cleanup(struct mtk_eth *e int i; for (i = 0; i < MTK_MAC_COUNT; i++) { @@ -52,7 +50,7 @@ index 67b18f9..bbcd607 100644 return 0; } -@@ -1660,7 +1658,6 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) +@@ -1660,7 +1658,6 @@ static int mtk_add_mac(struct mtk_eth *e mac->id = id; mac->hw = eth; mac->of_node = np; @@ -60,7 +58,7 @@ index 67b18f9..bbcd607 100644 mac->hw_stats = devm_kzalloc(eth->dev, sizeof(*mac->hw_stats), -@@ -1762,6 +1759,7 @@ static int mtk_probe(struct platform_device *pdev) +@@ -1762,6 +1759,7 @@ static int mtk_probe(struct platform_dev eth->dev = &pdev->dev; eth->msg_enable = netif_msg_init(mtk_msg_level, MTK_DEFAULT_MSG_ENABLE); @@ -68,8 +66,6 @@ index 67b18f9..bbcd607 100644 err = mtk_hw_init(eth); if (err) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -index 48a5292..eed626d 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -363,6 +363,7 @@ struct mtk_rx_ring { @@ -104,6 +100,3 @@ index 48a5292..eed626d 100644 }; /* the struct describing the SoC. these are declared in the soc_xyz.c files */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0077-net-mediatek-do-not-set-the-QID-field-in-the-TX-DMA-.patch b/target/linux/mediatek/patches-4.4/0069-net-mediatek-do-not-set-the-QID-field-in-the-TX-DMA-.patch index 1038faf5c1..72f96e2174 100644 --- a/target/linux/mediatek/patches-4.4/0077-net-mediatek-do-not-set-the-QID-field-in-the-TX-DMA-.patch +++ b/target/linux/mediatek/patches-4.4/0069-net-mediatek-do-not-set-the-QID-field-in-the-TX-DMA-.patch @@ -1,8 +1,8 @@ -From 2675e2a40d78c55fc2d578ec71cc990170cacc42 Mon Sep 17 00:00:00 2001 +From 4742349c1595d38b3e3b463e66cf21af4217c869 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Thu, 7 Apr 2016 17:36:23 +0200 -Subject: [PATCH 77/91] net: mediatek: do not set the QID field in the TX DMA - descriptors +Subject: [PATCH 069/102] net: mediatek: do not set the QID field in the TX + DMA descriptors The QID field gets set to the mac id. This made the DMA linked list queue the traffic of each MAC on a different internal queue. However during long @@ -18,11 +18,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/net/ethernet/mediatek/mtk_eth_soc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index bbcd607..bab5d45 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -603,8 +603,7 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, +@@ -603,8 +603,7 @@ static int mtk_tx_map(struct sk_buff *sk WRITE_ONCE(txd->txd1, mapped_addr); WRITE_ONCE(txd->txd3, (TX_DMA_SWC | TX_DMA_PLEN0(frag_map_size) | @@ -32,6 +30,3 @@ index bbcd607..bab5d45 100644 WRITE_ONCE(txd->txd4, 0); tx_buf->skb = (struct sk_buff *)MTK_DMA_DUMMY_DESC; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0078-net-mediatek-update-the-IRQ-part-of-the-binding-docu.patch b/target/linux/mediatek/patches-4.4/0070-net-mediatek-update-the-IRQ-part-of-the-binding-docu.patch index 8104ef2872..efc59c06f2 100644 --- a/target/linux/mediatek/patches-4.4/0078-net-mediatek-update-the-IRQ-part-of-the-binding-docu.patch +++ b/target/linux/mediatek/patches-4.4/0070-net-mediatek-update-the-IRQ-part-of-the-binding-docu.patch @@ -1,7 +1,7 @@ -From 289e6b23aa394126f50048f673ac266686bbf65e Mon Sep 17 00:00:00 2001 +From 297ef52cd21e28da671996d7b4f39f268d2d0ec1 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Tue, 29 Mar 2016 14:32:07 +0200 -Subject: [PATCH 78/91] net: mediatek: update the IRQ part of the binding +Subject: [PATCH 070/102] net: mediatek: update the IRQ part of the binding document The current binding document only describes a single interrupt. Update the @@ -16,11 +16,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org> Documentation/devicetree/bindings/net/mediatek-net.txt | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) -diff --git a/Documentation/devicetree/bindings/net/mediatek-net.txt b/Documentation/devicetree/bindings/net/mediatek-net.txt -index 5ca7929..32eaaca 100644 --- a/Documentation/devicetree/bindings/net/mediatek-net.txt +++ b/Documentation/devicetree/bindings/net/mediatek-net.txt -@@ -9,7 +9,8 @@ have dual GMAC each represented by a child node.. +@@ -9,7 +9,8 @@ have dual GMAC each represented by a chi Required properties: - compatible: Should be "mediatek,mt7623-eth" - reg: Address and length of the register set for the device @@ -41,6 +39,3 @@ index 5ca7929..32eaaca 100644 power-domains = <&scpsys MT2701_POWER_DOMAIN_ETH>; resets = <ðsys MT2701_ETHSYS_ETH_RST>; reset-names = "eth"; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0071-pwm-add-pwm-mediatek.patch b/target/linux/mediatek/patches-4.4/0071-pwm-add-pwm-mediatek.patch new file mode 100644 index 0000000000..8ca6c491e9 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0071-pwm-add-pwm-mediatek.patch @@ -0,0 +1,337 @@ +From 6f5941c93bdf7649f392f1263b9068d360ceab4d Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Fri, 6 May 2016 02:55:48 +0200 +Subject: [PATCH 071/102] pwm: add pwm-mediatek + +Signed-off-by: John Crispin <john@phrozen.org> +--- + arch/arm/boot/dts/mt7623-evb.dts | 17 +++ + arch/arm/boot/dts/mt7623.dtsi | 22 ++++ + drivers/pwm/Kconfig | 9 ++ + drivers/pwm/Makefile | 1 + + drivers/pwm/pwm-mediatek.c | 230 ++++++++++++++++++++++++++++++++++++++ + 5 files changed, 279 insertions(+) + create mode 100644 drivers/pwm/pwm-mediatek.c + +--- a/arch/arm/boot/dts/mt7623-evb.dts ++++ b/arch/arm/boot/dts/mt7623-evb.dts +@@ -341,6 +341,17 @@ + output-low; + }; + }; ++ ++ pwm_pins: pwm { ++ pins_pwm1 { ++ pinmux = <MT7623_PIN_204_PWM1_FUNC_PWM1>; ++ }; ++ ++ pins_pwm2 { ++ pinmux = <MT7623_PIN_205_PWM2_FUNC_PWM2>; ++ }; ++ }; ++ + }; + + &nandc { +@@ -419,3 +430,9 @@ + mediatek,reset-pin = <&pio 15 0>; + status = "okay"; + }; ++ ++&pwm { ++ pinctrl-names = "default"; ++ pinctrl-0 = <&pwm_pins>; ++ status = "okay"; ++}; +--- a/arch/arm/boot/dts/mt7623.dtsi ++++ b/arch/arm/boot/dts/mt7623.dtsi +@@ -324,6 +324,28 @@ + status = "disabled"; + }; + ++ pwm: pwm@11006000 { ++ compatible = "mediatek,mt7623-pwm"; ++ ++ reg = <0 0x11006000 0 0x1000>; ++ ++ resets = <&pericfg MT2701_PERI_PWM_SW_RST>; ++ reset-names = "pwm"; ++ ++ #pwm-cells = <2>; ++ clocks = <&topckgen CLK_TOP_PWM_SEL>, ++ <&pericfg CLK_PERI_PWM>, ++ <&pericfg CLK_PERI_PWM1>, ++ <&pericfg CLK_PERI_PWM2>, ++ <&pericfg CLK_PERI_PWM3>, ++ <&pericfg CLK_PERI_PWM4>, ++ <&pericfg CLK_PERI_PWM5>; ++ clock-names = "top", "main", "pwm1", "pwm2", ++ "pwm3", "pwm4", "pwm5"; ++ ++ status = "disabled"; ++ }; ++ + spi: spi@1100a000 { + compatible = "mediatek,mt7623-spi", "mediatek,mt6589-spi"; + reg = <0 0x1100a000 0 0x1000>; +--- a/drivers/pwm/Kconfig ++++ b/drivers/pwm/Kconfig +@@ -260,6 +260,15 @@ config PWM_MTK_DISP + To compile this driver as a module, choose M here: the module + will be called pwm-mtk-disp. + ++config PWM_MEDIATEK ++ tristate "MediaTek PWM support" ++ depends on ARCH_MEDIATEK || COMPILE_TEST ++ help ++ Generic PWM framework driver for Mediatek ARM SoC. ++ ++ To compile this driver as a module, choose M here: the module ++ will be called pwm-mxs. ++ + config PWM_MXS + tristate "Freescale MXS PWM support" + depends on ARCH_MXS && OF +--- a/drivers/pwm/Makefile ++++ b/drivers/pwm/Makefile +@@ -22,6 +22,7 @@ obj-$(CONFIG_PWM_LPC32XX) += pwm-lpc32xx + obj-$(CONFIG_PWM_LPSS) += pwm-lpss.o + obj-$(CONFIG_PWM_LPSS_PCI) += pwm-lpss-pci.o + obj-$(CONFIG_PWM_LPSS_PLATFORM) += pwm-lpss-platform.o ++obj-$(CONFIG_PWM_MEDIATEK) += pwm-mediatek.o + obj-$(CONFIG_PWM_MTK_DISP) += pwm-mtk-disp.o + obj-$(CONFIG_PWM_MXS) += pwm-mxs.o + obj-$(CONFIG_PWM_PCA9685) += pwm-pca9685.o +--- /dev/null ++++ b/drivers/pwm/pwm-mediatek.c +@@ -0,0 +1,230 @@ ++/* ++ * Mediatek Pulse Width Modulator driver ++ * ++ * Copyright (C) 2015 John Crispin <blogic@openwrt.org> ++ * ++ * This file is licensed under the terms of the GNU General Public ++ * License version 2. This program is licensed "as is" without any ++ * warranty of any kind, whether express or implied. ++ */ ++ ++#include <linux/err.h> ++#include <linux/io.h> ++#include <linux/ioport.h> ++#include <linux/kernel.h> ++#include <linux/module.h> ++#include <linux/clk.h> ++#include <linux/of.h> ++#include <linux/platform_device.h> ++#include <linux/pwm.h> ++#include <linux/slab.h> ++#include <linux/types.h> ++ ++#define NUM_PWM 5 ++ ++/* PWM registers and bits definitions */ ++#define PWMCON 0x00 ++#define PWMHDUR 0x04 ++#define PWMLDUR 0x08 ++#define PWMGDUR 0x0c ++#define PWMWAVENUM 0x28 ++#define PWMDWIDTH 0x2c ++#define PWMTHRES 0x30 ++ ++/** ++ * struct mtk_pwm_chip - struct representing pwm chip ++ * ++ * @mmio_base: base address of pwm chip ++ * @chip: linux pwm chip representation ++ */ ++struct mtk_pwm_chip { ++ void __iomem *mmio_base; ++ struct pwm_chip chip; ++ struct clk *clk_top; ++ struct clk *clk_main; ++ struct clk *clk_pwm[NUM_PWM]; ++}; ++ ++static inline struct mtk_pwm_chip *to_mtk_pwm_chip(struct pwm_chip *chip) ++{ ++ return container_of(chip, struct mtk_pwm_chip, chip); ++} ++ ++static inline u32 mtk_pwm_readl(struct mtk_pwm_chip *chip, unsigned int num, ++ unsigned long offset) ++{ ++ return ioread32(chip->mmio_base + 0x10 + (num * 0x40) + offset); ++} ++ ++static inline void mtk_pwm_writel(struct mtk_pwm_chip *chip, ++ unsigned int num, unsigned long offset, ++ unsigned long val) ++{ ++ iowrite32(val, chip->mmio_base + 0x10 + (num * 0x40) + offset); ++} ++ ++static int mtk_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, ++ int duty_ns, int period_ns) ++{ ++ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); ++ u32 resolution = 100 / 4; ++ u32 clkdiv = 0; ++ ++ resolution = 1000000000 / (clk_get_rate(pc->clk_pwm[pwm->hwpwm])); ++ ++ while (period_ns / resolution > 8191) { ++ clkdiv++; ++ resolution *= 2; ++ } ++ ++ if (clkdiv > 7) ++ return -1; ++ ++ mtk_pwm_writel(pc, pwm->hwpwm, PWMCON, BIT(15) | BIT(3) | clkdiv); ++ mtk_pwm_writel(pc, pwm->hwpwm, PWMDWIDTH, period_ns / resolution); ++ mtk_pwm_writel(pc, pwm->hwpwm, PWMTHRES, duty_ns / resolution); ++ return 0; ++} ++ ++static int mtk_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) ++{ ++ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); ++ u32 val; ++ int ret; ++ ++ ret = clk_prepare(pc->clk_pwm[pwm->hwpwm]); ++ if (ret < 0) ++ return ret; ++ ++ val = ioread32(pc->mmio_base); ++ val |= BIT(pwm->hwpwm); ++ iowrite32(val, pc->mmio_base); ++ ++ return 0; ++} ++ ++static void mtk_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) ++{ ++ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); ++ u32 val; ++ ++ val = ioread32(pc->mmio_base); ++ val &= ~BIT(pwm->hwpwm); ++ iowrite32(val, pc->mmio_base); ++ clk_unprepare(pc->clk_pwm[pwm->hwpwm]); ++} ++ ++static const struct pwm_ops mtk_pwm_ops = { ++ .config = mtk_pwm_config, ++ .enable = mtk_pwm_enable, ++ .disable = mtk_pwm_disable, ++ .owner = THIS_MODULE, ++}; ++ ++static int mtk_pwm_probe(struct platform_device *pdev) ++{ ++ struct mtk_pwm_chip *pc; ++ struct resource *r; ++ int ret; ++ ++ pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); ++ if (!pc) ++ return -ENOMEM; ++ ++ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ pc->mmio_base = devm_ioremap_resource(&pdev->dev, r); ++ if (IS_ERR(pc->mmio_base)) ++ return PTR_ERR(pc->mmio_base); ++ ++ pc->clk_main = devm_clk_get(&pdev->dev, "main"); ++ if (IS_ERR(pc->clk_main)) ++ return PTR_ERR(pc->clk_main); ++ ++ pc->clk_top = devm_clk_get(&pdev->dev, "top"); ++ if (IS_ERR(pc->clk_top)) ++ return PTR_ERR(pc->clk_top); ++ ++ pc->clk_pwm[0] = devm_clk_get(&pdev->dev, "pwm1"); ++ if (IS_ERR(pc->clk_pwm[0])) ++ return PTR_ERR(pc->clk_pwm[0]); ++ ++ pc->clk_pwm[1] = devm_clk_get(&pdev->dev, "pwm2"); ++ if (IS_ERR(pc->clk_pwm[1])) ++ return PTR_ERR(pc->clk_pwm[1]); ++ ++ pc->clk_pwm[2] = devm_clk_get(&pdev->dev, "pwm3"); ++ if (IS_ERR(pc->clk_pwm[2])) ++ return PTR_ERR(pc->clk_pwm[2]); ++ ++ pc->clk_pwm[3] = devm_clk_get(&pdev->dev, "pwm4"); ++ if (IS_ERR(pc->clk_pwm[3])) ++ return PTR_ERR(pc->clk_pwm[3]); ++ ++ pc->clk_pwm[4] = devm_clk_get(&pdev->dev, "pwm5"); ++ if (IS_ERR(pc->clk_pwm[4])) ++ return PTR_ERR(pc->clk_pwm[4]); ++ ++ ret = clk_prepare(pc->clk_top); ++ if (ret < 0) ++ return ret; ++ ++ ret = clk_prepare(pc->clk_main); ++ if (ret < 0) ++ goto disable_clk_top; ++ ++ platform_set_drvdata(pdev, pc); ++ ++ pc->chip.dev = &pdev->dev; ++ pc->chip.ops = &mtk_pwm_ops; ++ pc->chip.base = -1; ++ pc->chip.npwm = NUM_PWM; ++ ++ ret = pwmchip_add(&pc->chip); ++ if (ret < 0) { ++ dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret); ++ goto disable_clk_main; ++ } ++ ++ return 0; ++ ++disable_clk_main: ++ clk_unprepare(pc->clk_main); ++disable_clk_top: ++ clk_unprepare(pc->clk_top); ++ ++ return ret; ++} ++ ++static int mtk_pwm_remove(struct platform_device *pdev) ++{ ++ struct mtk_pwm_chip *pc = platform_get_drvdata(pdev); ++ int i; ++ ++ for (i = 0; i < NUM_PWM; i++) ++ pwm_disable(&pc->chip.pwms[i]); ++ ++ return pwmchip_remove(&pc->chip); ++} ++ ++static const struct of_device_id mtk_pwm_of_match[] = { ++ { .compatible = "mediatek,mt7623-pwm" }, ++ { } ++}; ++ ++MODULE_DEVICE_TABLE(of, mtk_pwm_of_match); ++ ++static struct platform_driver mtk_pwm_driver = { ++ .driver = { ++ .name = "mtk-pwm", ++ .owner = THIS_MODULE, ++ .of_match_table = mtk_pwm_of_match, ++ }, ++ .probe = mtk_pwm_probe, ++ .remove = mtk_pwm_remove, ++}; ++ ++module_platform_driver(mtk_pwm_driver); ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); ++MODULE_ALIAS("platform:mtk-pwm"); diff --git a/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch b/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch new file mode 100644 index 0000000000..ccbf8d0fb2 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0072-mtd-backport-v4.7-0day-patches-from-Boris.patch @@ -0,0 +1,5489 @@ +From a369af5149e6eb442b22ce89b564dd7a76e03638 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Tue, 26 Apr 2016 19:05:01 +0200 +Subject: [PATCH 072/102] mtd: backport v4.7-0day patches from Boris + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + drivers/mtd/Kconfig | 4 +- + drivers/mtd/cmdlinepart.c | 3 +- + drivers/mtd/devices/m25p80.c | 44 +-- + drivers/mtd/maps/physmap_of.c | 6 +- + drivers/mtd/mtdchar.c | 123 ++++++-- + drivers/mtd/mtdconcat.c | 2 +- + drivers/mtd/mtdcore.c | 428 ++++++++++++++++++++++++-- + drivers/mtd/mtdcore.h | 7 +- + drivers/mtd/mtdpart.c | 161 ++++++---- + drivers/mtd/mtdswap.c | 24 +- + drivers/mtd/nand/Kconfig | 21 +- + drivers/mtd/nand/Makefile | 2 + + drivers/mtd/nand/nand_base.c | 571 +++++++++++++++++++---------------- + drivers/mtd/nand/nand_bbt.c | 34 +-- + drivers/mtd/nand/nand_bch.c | 52 ++-- + drivers/mtd/nand/nand_ecc.c | 6 +- + drivers/mtd/nand/nand_ids.c | 4 +- + drivers/mtd/nand/nandsim.c | 43 +-- + drivers/mtd/ofpart.c | 53 ++-- + drivers/mtd/spi-nor/Kconfig | 10 +- + drivers/mtd/spi-nor/Makefile | 1 + + drivers/mtd/spi-nor/mtk-quadspi.c | 485 +++++++++++++++++++++++++++++ + drivers/mtd/spi-nor/spi-nor.c | 321 +++++++++++++------- + drivers/mtd/tests/mtd_nandecctest.c | 2 +- + drivers/mtd/tests/oobtest.c | 49 ++- + drivers/mtd/tests/pagetest.c | 3 +- + drivers/mtd/ubi/cdev.c | 4 +- + drivers/mtd/ubi/misc.c | 49 +++ + drivers/mtd/ubi/ubi.h | 16 +- + drivers/mtd/ubi/upd.c | 2 +- + drivers/mtd/ubi/wl.c | 21 +- + include/linux/mtd/bbm.h | 1 - + include/linux/mtd/fsmc.h | 18 -- + include/linux/mtd/inftl.h | 1 - + include/linux/mtd/map.h | 9 +- + include/linux/mtd/mtd.h | 80 ++++- + include/linux/mtd/nand.h | 94 ++++-- + include/linux/mtd/nand_bch.h | 10 +- + include/linux/mtd/nftl.h | 1 - + include/linux/mtd/onenand.h | 2 - + include/linux/mtd/partitions.h | 27 +- + include/linux/mtd/sh_flctl.h | 4 +- + include/linux/mtd/sharpsl.h | 2 +- + include/linux/mtd/spi-nor.h | 23 +- + include/uapi/mtd/mtd-abi.h | 2 +- + 45 files changed, 2077 insertions(+), 748 deletions(-) + create mode 100644 drivers/mtd/spi-nor/mtk-quadspi.c + +--- a/drivers/mtd/Kconfig ++++ b/drivers/mtd/Kconfig +@@ -131,7 +131,7 @@ config MTD_CMDLINE_PARTS + + config MTD_AFS_PARTS + tristate "ARM Firmware Suite partition parsing" +- depends on ARM ++ depends on (ARM || ARM64) + ---help--- + The ARM Firmware Suite allows the user to divide flash devices into + multiple 'images'. Each such image has a header containing its name +@@ -161,7 +161,7 @@ config MTD_AR7_PARTS + + config MTD_BCM63XX_PARTS + tristate "BCM63XX CFE partitioning support" +- depends on BCM63XX ++ depends on BCM63XX || BMIPS_GENERIC || COMPILE_TEST + select CRC32 + help + This provides partions parsing for BCM63xx devices with CFE +--- a/drivers/mtd/cmdlinepart.c ++++ b/drivers/mtd/cmdlinepart.c +@@ -304,7 +304,7 @@ static int mtdpart_setup_real(char *s) + * the first one in the chain if a NULL mtd_id is passed in. + */ + static int parse_cmdline_partitions(struct mtd_info *master, +- struct mtd_partition **pparts, ++ const struct mtd_partition **pparts, + struct mtd_part_parser_data *data) + { + unsigned long long offset; +@@ -382,7 +382,6 @@ static int __init mtdpart_setup(char *s) + __setup("mtdparts=", mtdpart_setup); + + static struct mtd_part_parser cmdline_parser = { +- .owner = THIS_MODULE, + .parse_fn = parse_cmdline_partitions, + .name = "cmdlinepart", + }; +--- a/drivers/mtd/devices/m25p80.c ++++ b/drivers/mtd/devices/m25p80.c +@@ -174,22 +174,6 @@ static int m25p80_read(struct spi_nor *n + return 0; + } + +-static int m25p80_erase(struct spi_nor *nor, loff_t offset) +-{ +- struct m25p *flash = nor->priv; +- +- dev_dbg(nor->dev, "%dKiB at 0x%08x\n", +- flash->spi_nor.mtd.erasesize / 1024, (u32)offset); +- +- /* Set up command buffer. */ +- flash->command[0] = nor->erase_opcode; +- m25p_addr2cmd(nor, offset, flash->command); +- +- spi_write(flash->spi, flash->command, m25p_cmdsz(nor)); +- +- return 0; +-} +- + /* + * board specific setup should have ensured the SPI clock used here + * matches what the READ command supports, at least until this driver +@@ -197,12 +181,11 @@ static int m25p80_erase(struct spi_nor * + */ + static int m25p_probe(struct spi_device *spi) + { +- struct mtd_part_parser_data ppdata; + struct flash_platform_data *data; + struct m25p *flash; + struct spi_nor *nor; + enum read_mode mode = SPI_NOR_NORMAL; +- char *flash_name = NULL; ++ char *flash_name; + int ret; + + data = dev_get_platdata(&spi->dev); +@@ -216,12 +199,11 @@ static int m25p_probe(struct spi_device + /* install the hooks */ + nor->read = m25p80_read; + nor->write = m25p80_write; +- nor->erase = m25p80_erase; + nor->write_reg = m25p80_write_reg; + nor->read_reg = m25p80_read_reg; + + nor->dev = &spi->dev; +- nor->flash_node = spi->dev.of_node; ++ spi_nor_set_flash_node(nor, spi->dev.of_node); + nor->priv = flash; + + spi_set_drvdata(spi, flash); +@@ -242,6 +224,8 @@ static int m25p_probe(struct spi_device + */ + if (data && data->type) + flash_name = data->type; ++ else if (!strcmp(spi->modalias, "spi-nor")) ++ flash_name = NULL; /* auto-detect */ + else + flash_name = spi->modalias; + +@@ -249,11 +233,8 @@ static int m25p_probe(struct spi_device + if (ret) + return ret; + +- ppdata.of_node = spi->dev.of_node; +- +- return mtd_device_parse_register(&nor->mtd, NULL, &ppdata, +- data ? data->parts : NULL, +- data ? data->nr_parts : 0); ++ return mtd_device_register(&nor->mtd, data ? data->parts : NULL, ++ data ? data->nr_parts : 0); + } + + +@@ -279,14 +260,21 @@ static int m25p_remove(struct spi_device + */ + static const struct spi_device_id m25p_ids[] = { + /* ++ * Allow non-DT platform devices to bind to the "spi-nor" modalias, and ++ * hack around the fact that the SPI core does not provide uevent ++ * matching for .of_match_table ++ */ ++ {"spi-nor"}, ++ ++ /* + * Entries not used in DTs that should be safe to drop after replacing +- * them with "nor-jedec" in platform data. ++ * them with "spi-nor" in platform data. + */ + {"s25sl064a"}, {"w25x16"}, {"m25p10"}, {"m25px64"}, + + /* +- * Entries that were used in DTs without "nor-jedec" fallback and should +- * be kept for backward compatibility. ++ * Entries that were used in DTs without "jedec,spi-nor" fallback and ++ * should be kept for backward compatibility. + */ + {"at25df321a"}, {"at25df641"}, {"at26df081a"}, + {"mr25h256"}, +--- a/drivers/mtd/maps/physmap_of.c ++++ b/drivers/mtd/maps/physmap_of.c +@@ -128,7 +128,6 @@ static int of_flash_probe(struct platfor + int reg_tuple_size; + struct mtd_info **mtd_list = NULL; + resource_size_t res_size; +- struct mtd_part_parser_data ppdata; + bool map_indirect; + const char *mtd_name = NULL; + +@@ -272,8 +271,9 @@ static int of_flash_probe(struct platfor + if (err) + goto err_out; + +- ppdata.of_node = dp; +- mtd_device_parse_register(info->cmtd, part_probe_types_def, &ppdata, ++ info->cmtd->dev.parent = &dev->dev; ++ mtd_set_of_node(info->cmtd, dp); ++ mtd_device_parse_register(info->cmtd, part_probe_types_def, NULL, + NULL, 0); + + kfree(mtd_list); +--- a/drivers/mtd/mtdchar.c ++++ b/drivers/mtd/mtdchar.c +@@ -465,38 +465,111 @@ static int mtdchar_readoob(struct file * + } + + /* +- * Copies (and truncates, if necessary) data from the larger struct, +- * nand_ecclayout, to the smaller, deprecated layout struct, +- * nand_ecclayout_user. This is necessary only to support the deprecated +- * API ioctl ECCGETLAYOUT while allowing all new functionality to use +- * nand_ecclayout flexibly (i.e. the struct may change size in new +- * releases without requiring major rewrites). ++ * Copies (and truncates, if necessary) OOB layout information to the ++ * deprecated layout struct, nand_ecclayout_user. This is necessary only to ++ * support the deprecated API ioctl ECCGETLAYOUT while allowing all new ++ * functionality to use mtd_ooblayout_ops flexibly (i.e. mtd_ooblayout_ops ++ * can describe any kind of OOB layout with almost zero overhead from a ++ * memory usage point of view). + */ +-static int shrink_ecclayout(const struct nand_ecclayout *from, +- struct nand_ecclayout_user *to) ++static int shrink_ecclayout(struct mtd_info *mtd, ++ struct nand_ecclayout_user *to) + { +- int i; ++ struct mtd_oob_region oobregion; ++ int i, section = 0, ret; + +- if (!from || !to) ++ if (!mtd || !to) + return -EINVAL; + + memset(to, 0, sizeof(*to)); + +- to->eccbytes = min((int)from->eccbytes, MTD_MAX_ECCPOS_ENTRIES); +- for (i = 0; i < to->eccbytes; i++) +- to->eccpos[i] = from->eccpos[i]; ++ to->eccbytes = 0; ++ for (i = 0; i < MTD_MAX_ECCPOS_ENTRIES;) { ++ u32 eccpos; ++ ++ ret = mtd_ooblayout_ecc(mtd, section, &oobregion); ++ if (ret < 0) { ++ if (ret != -ERANGE) ++ return ret; ++ ++ break; ++ } ++ ++ eccpos = oobregion.offset; ++ for (; i < MTD_MAX_ECCPOS_ENTRIES && ++ eccpos < oobregion.offset + oobregion.length; i++) { ++ to->eccpos[i] = eccpos++; ++ to->eccbytes++; ++ } ++ } + + for (i = 0; i < MTD_MAX_OOBFREE_ENTRIES; i++) { +- if (from->oobfree[i].length == 0 && +- from->oobfree[i].offset == 0) ++ ret = mtd_ooblayout_free(mtd, i, &oobregion); ++ if (ret < 0) { ++ if (ret != -ERANGE) ++ return ret; ++ + break; +- to->oobavail += from->oobfree[i].length; +- to->oobfree[i] = from->oobfree[i]; ++ } ++ ++ to->oobfree[i].offset = oobregion.offset; ++ to->oobfree[i].length = oobregion.length; ++ to->oobavail += to->oobfree[i].length; + } + + return 0; + } + ++static int get_oobinfo(struct mtd_info *mtd, struct nand_oobinfo *to) ++{ ++ struct mtd_oob_region oobregion; ++ int i, section = 0, ret; ++ ++ if (!mtd || !to) ++ return -EINVAL; ++ ++ memset(to, 0, sizeof(*to)); ++ ++ to->eccbytes = 0; ++ for (i = 0; i < ARRAY_SIZE(to->eccpos);) { ++ u32 eccpos; ++ ++ ret = mtd_ooblayout_ecc(mtd, section, &oobregion); ++ if (ret < 0) { ++ if (ret != -ERANGE) ++ return ret; ++ ++ break; ++ } ++ ++ if (oobregion.length + i > ARRAY_SIZE(to->eccpos)) ++ return -EINVAL; ++ ++ eccpos = oobregion.offset; ++ for (; eccpos < oobregion.offset + oobregion.length; i++) { ++ to->eccpos[i] = eccpos++; ++ to->eccbytes++; ++ } ++ } ++ ++ for (i = 0; i < 8; i++) { ++ ret = mtd_ooblayout_free(mtd, i, &oobregion); ++ if (ret < 0) { ++ if (ret != -ERANGE) ++ return ret; ++ ++ break; ++ } ++ ++ to->oobfree[i][0] = oobregion.offset; ++ to->oobfree[i][1] = oobregion.length; ++ } ++ ++ to->useecc = MTD_NANDECC_AUTOPLACE; ++ ++ return 0; ++} ++ + static int mtdchar_blkpg_ioctl(struct mtd_info *mtd, + struct blkpg_ioctl_arg *arg) + { +@@ -815,16 +888,12 @@ static int mtdchar_ioctl(struct file *fi + { + struct nand_oobinfo oi; + +- if (!mtd->ecclayout) ++ if (!mtd->ooblayout) + return -EOPNOTSUPP; +- if (mtd->ecclayout->eccbytes > ARRAY_SIZE(oi.eccpos)) +- return -EINVAL; + +- oi.useecc = MTD_NANDECC_AUTOPLACE; +- memcpy(&oi.eccpos, mtd->ecclayout->eccpos, sizeof(oi.eccpos)); +- memcpy(&oi.oobfree, mtd->ecclayout->oobfree, +- sizeof(oi.oobfree)); +- oi.eccbytes = mtd->ecclayout->eccbytes; ++ ret = get_oobinfo(mtd, &oi); ++ if (ret) ++ return ret; + + if (copy_to_user(argp, &oi, sizeof(struct nand_oobinfo))) + return -EFAULT; +@@ -913,14 +982,14 @@ static int mtdchar_ioctl(struct file *fi + { + struct nand_ecclayout_user *usrlay; + +- if (!mtd->ecclayout) ++ if (!mtd->ooblayout) + return -EOPNOTSUPP; + + usrlay = kmalloc(sizeof(*usrlay), GFP_KERNEL); + if (!usrlay) + return -ENOMEM; + +- shrink_ecclayout(mtd->ecclayout, usrlay); ++ shrink_ecclayout(mtd, usrlay); + + if (copy_to_user(argp, usrlay, sizeof(*usrlay))) + ret = -EFAULT; +--- a/drivers/mtd/mtdconcat.c ++++ b/drivers/mtd/mtdconcat.c +@@ -777,7 +777,7 @@ struct mtd_info *mtd_concat_create(struc + + } + +- concat->mtd.ecclayout = subdev[0]->ecclayout; ++ mtd_set_ooblayout(&concat->mtd, subdev[0]->ooblayout); + + concat->num_subdev = num_devs; + concat->mtd.name = name; +--- a/drivers/mtd/mtdcore.c ++++ b/drivers/mtd/mtdcore.c +@@ -32,6 +32,7 @@ + #include <linux/err.h> + #include <linux/ioctl.h> + #include <linux/init.h> ++#include <linux/of.h> + #include <linux/proc_fs.h> + #include <linux/idr.h> + #include <linux/backing-dev.h> +@@ -446,6 +447,7 @@ int add_mtd_device(struct mtd_info *mtd) + mtd->dev.devt = MTD_DEVT(i); + dev_set_name(&mtd->dev, "mtd%d", i); + dev_set_drvdata(&mtd->dev, mtd); ++ of_node_get(mtd_get_of_node(mtd)); + error = device_register(&mtd->dev); + if (error) + goto fail_added; +@@ -477,6 +479,7 @@ int add_mtd_device(struct mtd_info *mtd) + return 0; + + fail_added: ++ of_node_put(mtd_get_of_node(mtd)); + idr_remove(&mtd_idr, i); + fail_locked: + mutex_unlock(&mtd_table_mutex); +@@ -518,6 +521,7 @@ int del_mtd_device(struct mtd_info *mtd) + device_unregister(&mtd->dev); + + idr_remove(&mtd_idr, mtd->index); ++ of_node_put(mtd_get_of_node(mtd)); + + module_put(THIS_MODULE); + ret = 0; +@@ -529,9 +533,10 @@ out_error: + } + + static int mtd_add_device_partitions(struct mtd_info *mtd, +- struct mtd_partition *real_parts, +- int nbparts) ++ struct mtd_partitions *parts) + { ++ const struct mtd_partition *real_parts = parts->parts; ++ int nbparts = parts->nr_parts; + int ret; + + if (nbparts == 0 || IS_ENABLED(CONFIG_MTD_PARTITIONED_MASTER)) { +@@ -600,29 +605,29 @@ int mtd_device_parse_register(struct mtd + const struct mtd_partition *parts, + int nr_parts) + { ++ struct mtd_partitions parsed; + int ret; +- struct mtd_partition *real_parts = NULL; + + mtd_set_dev_defaults(mtd); + +- ret = parse_mtd_partitions(mtd, types, &real_parts, parser_data); +- if (ret <= 0 && nr_parts && parts) { +- real_parts = kmemdup(parts, sizeof(*parts) * nr_parts, +- GFP_KERNEL); +- if (!real_parts) +- ret = -ENOMEM; +- else +- ret = nr_parts; +- } +- /* Didn't come up with either parsed OR fallback partitions */ +- if (ret < 0) { +- pr_info("mtd: failed to find partitions; one or more parsers reports errors (%d)\n", ++ memset(&parsed, 0, sizeof(parsed)); ++ ++ ret = parse_mtd_partitions(mtd, types, &parsed, parser_data); ++ if ((ret < 0 || parsed.nr_parts == 0) && parts && nr_parts) { ++ /* Fall back to driver-provided partitions */ ++ parsed = (struct mtd_partitions){ ++ .parts = parts, ++ .nr_parts = nr_parts, ++ }; ++ } else if (ret < 0) { ++ /* Didn't come up with parsed OR fallback partitions */ ++ pr_info("mtd: failed to find partitions; one or more parsers reports errors (%d)\n", + ret); + /* Don't abort on errors; we can still use unpartitioned MTD */ +- ret = 0; ++ memset(&parsed, 0, sizeof(parsed)); + } + +- ret = mtd_add_device_partitions(mtd, real_parts, ret); ++ ret = mtd_add_device_partitions(mtd, &parsed); + if (ret) + goto out; + +@@ -642,7 +647,8 @@ int mtd_device_parse_register(struct mtd + } + + out: +- kfree(real_parts); ++ /* Cleanup any parsed partitions */ ++ mtd_part_parser_cleanup(&parsed); + return ret; + } + EXPORT_SYMBOL_GPL(mtd_device_parse_register); +@@ -767,7 +773,6 @@ out: + } + EXPORT_SYMBOL_GPL(get_mtd_device); + +- + int __get_mtd_device(struct mtd_info *mtd) + { + int err; +@@ -1001,6 +1006,366 @@ int mtd_read_oob(struct mtd_info *mtd, l + } + EXPORT_SYMBOL_GPL(mtd_read_oob); + ++/** ++ * mtd_ooblayout_ecc - Get the OOB region definition of a specific ECC section ++ * @mtd: MTD device structure ++ * @section: ECC section. Depending on the layout you may have all the ECC ++ * bytes stored in a single contiguous section, or one section ++ * per ECC chunk (and sometime several sections for a single ECC ++ * ECC chunk) ++ * @oobecc: OOB region struct filled with the appropriate ECC position ++ * information ++ * ++ * This functions return ECC section information in the OOB area. I you want ++ * to get all the ECC bytes information, then you should call ++ * mtd_ooblayout_ecc(mtd, section++, oobecc) until it returns -ERANGE. ++ * ++ * Returns zero on success, a negative error code otherwise. ++ */ ++int mtd_ooblayout_ecc(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oobecc) ++{ ++ memset(oobecc, 0, sizeof(*oobecc)); ++ ++ if (!mtd || section < 0) ++ return -EINVAL; ++ ++ if (!mtd->ooblayout || !mtd->ooblayout->ecc) ++ return -ENOTSUPP; ++ ++ return mtd->ooblayout->ecc(mtd, section, oobecc); ++} ++EXPORT_SYMBOL_GPL(mtd_ooblayout_ecc); ++ ++/** ++ * mtd_ooblayout_free - Get the OOB region definition of a specific free ++ * section ++ * @mtd: MTD device structure ++ * @section: Free section you are interested in. Depending on the layout ++ * you may have all the free bytes stored in a single contiguous ++ * section, or one section per ECC chunk plus an extra section ++ * for the remaining bytes (or other funky layout). ++ * @oobfree: OOB region struct filled with the appropriate free position ++ * information ++ * ++ * This functions return free bytes position in the OOB area. I you want ++ * to get all the free bytes information, then you should call ++ * mtd_ooblayout_free(mtd, section++, oobfree) until it returns -ERANGE. ++ * ++ * Returns zero on success, a negative error code otherwise. ++ */ ++int mtd_ooblayout_free(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oobfree) ++{ ++ memset(oobfree, 0, sizeof(*oobfree)); ++ ++ if (!mtd || section < 0) ++ return -EINVAL; ++ ++ if (!mtd->ooblayout || !mtd->ooblayout->free) ++ return -ENOTSUPP; ++ ++ return mtd->ooblayout->free(mtd, section, oobfree); ++} ++EXPORT_SYMBOL_GPL(mtd_ooblayout_free); ++ ++/** ++ * mtd_ooblayout_find_region - Find the region attached to a specific byte ++ * @mtd: mtd info structure ++ * @byte: the byte we are searching for ++ * @sectionp: pointer where the section id will be stored ++ * @oobregion: used to retrieve the ECC position ++ * @iter: iterator function. Should be either mtd_ooblayout_free or ++ * mtd_ooblayout_ecc depending on the region type you're searching for ++ * ++ * This functions returns the section id and oobregion information of a ++ * specific byte. For example, say you want to know where the 4th ECC byte is ++ * stored, you'll use: ++ * ++ * mtd_ooblayout_find_region(mtd, 3, §ion, &oobregion, mtd_ooblayout_ecc); ++ * ++ * Returns zero on success, a negative error code otherwise. ++ */ ++static int mtd_ooblayout_find_region(struct mtd_info *mtd, int byte, ++ int *sectionp, struct mtd_oob_region *oobregion, ++ int (*iter)(struct mtd_info *, ++ int section, ++ struct mtd_oob_region *oobregion)) ++{ ++ int pos = 0, ret, section = 0; ++ ++ memset(oobregion, 0, sizeof(*oobregion)); ++ ++ while (1) { ++ ret = iter(mtd, section, oobregion); ++ if (ret) ++ return ret; ++ ++ if (pos + oobregion->length > byte) ++ break; ++ ++ pos += oobregion->length; ++ section++; ++ } ++ ++ /* ++ * Adjust region info to make it start at the beginning at the ++ * 'start' ECC byte. ++ */ ++ oobregion->offset += byte - pos; ++ oobregion->length -= byte - pos; ++ *sectionp = section; ++ ++ return 0; ++} ++ ++/** ++ * mtd_ooblayout_find_eccregion - Find the ECC region attached to a specific ++ * ECC byte ++ * @mtd: mtd info structure ++ * @eccbyte: the byte we are searching for ++ * @sectionp: pointer where the section id will be stored ++ * @oobregion: OOB region information ++ * ++ * Works like mtd_ooblayout_find_region() except it searches for a specific ECC ++ * byte. ++ * ++ * Returns zero on success, a negative error code otherwise. ++ */ ++int mtd_ooblayout_find_eccregion(struct mtd_info *mtd, int eccbyte, ++ int *section, ++ struct mtd_oob_region *oobregion) ++{ ++ return mtd_ooblayout_find_region(mtd, eccbyte, section, oobregion, ++ mtd_ooblayout_ecc); ++} ++EXPORT_SYMBOL_GPL(mtd_ooblayout_find_eccregion); ++ ++/** ++ * mtd_ooblayout_get_bytes - Extract OOB bytes from the oob buffer ++ * @mtd: mtd info structure ++ * @buf: destination buffer to store OOB bytes ++ * @oobbuf: OOB buffer ++ * @start: first byte to retrieve ++ * @nbytes: number of bytes to retrieve ++ * @iter: section iterator ++ * ++ * Extract bytes attached to a specific category (ECC or free) ++ * from the OOB buffer and copy them into buf. ++ * ++ * Returns zero on success, a negative error code otherwise. ++ */ ++static int mtd_ooblayout_get_bytes(struct mtd_info *mtd, u8 *buf, ++ const u8 *oobbuf, int start, int nbytes, ++ int (*iter)(struct mtd_info *, ++ int section, ++ struct mtd_oob_region *oobregion)) ++{ ++ struct mtd_oob_region oobregion = { }; ++ int section = 0, ret; ++ ++ ret = mtd_ooblayout_find_region(mtd, start, §ion, ++ &oobregion, iter); ++ ++ while (!ret) { ++ int cnt; ++ ++ cnt = oobregion.length > nbytes ? nbytes : oobregion.length; ++ memcpy(buf, oobbuf + oobregion.offset, cnt); ++ buf += cnt; ++ nbytes -= cnt; ++ ++ if (!nbytes) ++ break; ++ ++ ret = iter(mtd, ++section, &oobregion); ++ } ++ ++ return ret; ++} ++ ++/** ++ * mtd_ooblayout_set_bytes - put OOB bytes into the oob buffer ++ * @mtd: mtd info structure ++ * @buf: source buffer to get OOB bytes from ++ * @oobbuf: OOB buffer ++ * @start: first OOB byte to set ++ * @nbytes: number of OOB bytes to set ++ * @iter: section iterator ++ * ++ * Fill the OOB buffer with data provided in buf. The category (ECC or free) ++ * is selected by passing the appropriate iterator. ++ * ++ * Returns zero on success, a negative error code otherwise. ++ */ ++static int mtd_ooblayout_set_bytes(struct mtd_info *mtd, const u8 *buf, ++ u8 *oobbuf, int start, int nbytes, ++ int (*iter)(struct mtd_info *, ++ int section, ++ struct mtd_oob_region *oobregion)) ++{ ++ struct mtd_oob_region oobregion = { }; ++ int section = 0, ret; ++ ++ ret = mtd_ooblayout_find_region(mtd, start, §ion, ++ &oobregion, iter); ++ ++ while (!ret) { ++ int cnt; ++ ++ cnt = oobregion.length > nbytes ? nbytes : oobregion.length; ++ memcpy(oobbuf + oobregion.offset, buf, cnt); ++ buf += cnt; ++ nbytes -= cnt; ++ ++ if (!nbytes) ++ break; ++ ++ ret = iter(mtd, ++section, &oobregion); ++ } ++ ++ return ret; ++} ++ ++/** ++ * mtd_ooblayout_count_bytes - count the number of bytes in a OOB category ++ * @mtd: mtd info structure ++ * @iter: category iterator ++ * ++ * Count the number of bytes in a given category. ++ * ++ * Returns a positive value on success, a negative error code otherwise. ++ */ ++static int mtd_ooblayout_count_bytes(struct mtd_info *mtd, ++ int (*iter)(struct mtd_info *, ++ int section, ++ struct mtd_oob_region *oobregion)) ++{ ++ struct mtd_oob_region oobregion = { }; ++ int section = 0, ret, nbytes = 0; ++ ++ while (1) { ++ ret = iter(mtd, section++, &oobregion); ++ if (ret) { ++ if (ret == -ERANGE) ++ ret = nbytes; ++ break; ++ } ++ ++ nbytes += oobregion.length; ++ } ++ ++ return ret; ++} ++ ++/** ++ * mtd_ooblayout_get_eccbytes - extract ECC bytes from the oob buffer ++ * @mtd: mtd info structure ++ * @eccbuf: destination buffer to store ECC bytes ++ * @oobbuf: OOB buffer ++ * @start: first ECC byte to retrieve ++ * @nbytes: number of ECC bytes to retrieve ++ * ++ * Works like mtd_ooblayout_get_bytes(), except it acts on ECC bytes. ++ * ++ * Returns zero on success, a negative error code otherwise. ++ */ ++int mtd_ooblayout_get_eccbytes(struct mtd_info *mtd, u8 *eccbuf, ++ const u8 *oobbuf, int start, int nbytes) ++{ ++ return mtd_ooblayout_get_bytes(mtd, eccbuf, oobbuf, start, nbytes, ++ mtd_ooblayout_ecc); ++} ++EXPORT_SYMBOL_GPL(mtd_ooblayout_get_eccbytes); ++ ++/** ++ * mtd_ooblayout_set_eccbytes - set ECC bytes into the oob buffer ++ * @mtd: mtd info structure ++ * @eccbuf: source buffer to get ECC bytes from ++ * @oobbuf: OOB buffer ++ * @start: first ECC byte to set ++ * @nbytes: number of ECC bytes to set ++ * ++ * Works like mtd_ooblayout_set_bytes(), except it acts on ECC bytes. ++ * ++ * Returns zero on success, a negative error code otherwise. ++ */ ++int mtd_ooblayout_set_eccbytes(struct mtd_info *mtd, const u8 *eccbuf, ++ u8 *oobbuf, int start, int nbytes) ++{ ++ return mtd_ooblayout_set_bytes(mtd, eccbuf, oobbuf, start, nbytes, ++ mtd_ooblayout_ecc); ++} ++EXPORT_SYMBOL_GPL(mtd_ooblayout_set_eccbytes); ++ ++/** ++ * mtd_ooblayout_get_databytes - extract data bytes from the oob buffer ++ * @mtd: mtd info structure ++ * @databuf: destination buffer to store ECC bytes ++ * @oobbuf: OOB buffer ++ * @start: first ECC byte to retrieve ++ * @nbytes: number of ECC bytes to retrieve ++ * ++ * Works like mtd_ooblayout_get_bytes(), except it acts on free bytes. ++ * ++ * Returns zero on success, a negative error code otherwise. ++ */ ++int mtd_ooblayout_get_databytes(struct mtd_info *mtd, u8 *databuf, ++ const u8 *oobbuf, int start, int nbytes) ++{ ++ return mtd_ooblayout_get_bytes(mtd, databuf, oobbuf, start, nbytes, ++ mtd_ooblayout_free); ++} ++EXPORT_SYMBOL_GPL(mtd_ooblayout_get_databytes); ++ ++/** ++ * mtd_ooblayout_get_eccbytes - set data bytes into the oob buffer ++ * @mtd: mtd info structure ++ * @eccbuf: source buffer to get data bytes from ++ * @oobbuf: OOB buffer ++ * @start: first ECC byte to set ++ * @nbytes: number of ECC bytes to set ++ * ++ * Works like mtd_ooblayout_get_bytes(), except it acts on free bytes. ++ * ++ * Returns zero on success, a negative error code otherwise. ++ */ ++int mtd_ooblayout_set_databytes(struct mtd_info *mtd, const u8 *databuf, ++ u8 *oobbuf, int start, int nbytes) ++{ ++ return mtd_ooblayout_set_bytes(mtd, databuf, oobbuf, start, nbytes, ++ mtd_ooblayout_free); ++} ++EXPORT_SYMBOL_GPL(mtd_ooblayout_set_databytes); ++ ++/** ++ * mtd_ooblayout_count_freebytes - count the number of free bytes in OOB ++ * @mtd: mtd info structure ++ * ++ * Works like mtd_ooblayout_count_bytes(), except it count free bytes. ++ * ++ * Returns zero on success, a negative error code otherwise. ++ */ ++int mtd_ooblayout_count_freebytes(struct mtd_info *mtd) ++{ ++ return mtd_ooblayout_count_bytes(mtd, mtd_ooblayout_free); ++} ++EXPORT_SYMBOL_GPL(mtd_ooblayout_count_freebytes); ++ ++/** ++ * mtd_ooblayout_count_freebytes - count the number of ECC bytes in OOB ++ * @mtd: mtd info structure ++ * ++ * Works like mtd_ooblayout_count_bytes(), except it count ECC bytes. ++ * ++ * Returns zero on success, a negative error code otherwise. ++ */ ++int mtd_ooblayout_count_eccbytes(struct mtd_info *mtd) ++{ ++ return mtd_ooblayout_count_bytes(mtd, mtd_ooblayout_ecc); ++} ++EXPORT_SYMBOL_GPL(mtd_ooblayout_count_eccbytes); ++ + /* + * Method to access the protection register area, present in some flash + * devices. The user data is one time programmable but the factory data is read +--- a/drivers/mtd/mtdcore.h ++++ b/drivers/mtd/mtdcore.h +@@ -10,10 +10,15 @@ int add_mtd_device(struct mtd_info *mtd) + int del_mtd_device(struct mtd_info *mtd); + int add_mtd_partitions(struct mtd_info *, const struct mtd_partition *, int); + int del_mtd_partitions(struct mtd_info *); ++ ++struct mtd_partitions; ++ + int parse_mtd_partitions(struct mtd_info *master, const char * const *types, +- struct mtd_partition **pparts, ++ struct mtd_partitions *pparts, + struct mtd_part_parser_data *data); + ++void mtd_part_parser_cleanup(struct mtd_partitions *parts); ++ + int __init init_mtdchar(void); + void __exit cleanup_mtdchar(void); + +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -55,9 +55,12 @@ static void mtd_partition_split(struct m + + /* + * Given a pointer to the MTD object in the mtd_part structure, we can retrieve +- * the pointer to that structure with this macro. ++ * the pointer to that structure. + */ +-#define PART(x) ((struct mtd_part *)(x)) ++static inline struct mtd_part *mtd_to_part(const struct mtd_info *mtd) ++{ ++ return container_of(mtd, struct mtd_part, mtd); ++} + + + /* +@@ -68,7 +71,7 @@ static void mtd_partition_split(struct m + static int part_read(struct mtd_info *mtd, loff_t from, size_t len, + size_t *retlen, u_char *buf) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + struct mtd_ecc_stats stats; + int res; + +@@ -87,7 +90,7 @@ static int part_read(struct mtd_info *mt + static int part_point(struct mtd_info *mtd, loff_t from, size_t len, + size_t *retlen, void **virt, resource_size_t *phys) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + + return part->master->_point(part->master, from + part->offset, len, + retlen, virt, phys); +@@ -95,7 +98,7 @@ static int part_point(struct mtd_info *m + + static int part_unpoint(struct mtd_info *mtd, loff_t from, size_t len) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + + return part->master->_unpoint(part->master, from + part->offset, len); + } +@@ -105,7 +108,7 @@ static unsigned long part_get_unmapped_a + unsigned long offset, + unsigned long flags) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + + offset += part->offset; + return part->master->_get_unmapped_area(part->master, len, offset, +@@ -115,7 +118,7 @@ static unsigned long part_get_unmapped_a + static int part_read_oob(struct mtd_info *mtd, loff_t from, + struct mtd_oob_ops *ops) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + int res; + + if (from >= mtd->size) +@@ -130,10 +133,7 @@ static int part_read_oob(struct mtd_info + if (ops->oobbuf) { + size_t len, pages; + +- if (ops->mode == MTD_OPS_AUTO_OOB) +- len = mtd->oobavail; +- else +- len = mtd->oobsize; ++ len = mtd_oobavail(mtd, ops); + pages = mtd_div_by_ws(mtd->size, mtd); + pages -= mtd_div_by_ws(from, mtd); + if (ops->ooboffs + ops->ooblen > pages * len) +@@ -153,7 +153,7 @@ static int part_read_oob(struct mtd_info + static int part_read_user_prot_reg(struct mtd_info *mtd, loff_t from, + size_t len, size_t *retlen, u_char *buf) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + return part->master->_read_user_prot_reg(part->master, from, len, + retlen, buf); + } +@@ -161,7 +161,7 @@ static int part_read_user_prot_reg(struc + static int part_get_user_prot_info(struct mtd_info *mtd, size_t len, + size_t *retlen, struct otp_info *buf) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + return part->master->_get_user_prot_info(part->master, len, retlen, + buf); + } +@@ -169,7 +169,7 @@ static int part_get_user_prot_info(struc + static int part_read_fact_prot_reg(struct mtd_info *mtd, loff_t from, + size_t len, size_t *retlen, u_char *buf) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + return part->master->_read_fact_prot_reg(part->master, from, len, + retlen, buf); + } +@@ -177,7 +177,7 @@ static int part_read_fact_prot_reg(struc + static int part_get_fact_prot_info(struct mtd_info *mtd, size_t len, + size_t *retlen, struct otp_info *buf) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + return part->master->_get_fact_prot_info(part->master, len, retlen, + buf); + } +@@ -185,7 +185,7 @@ static int part_get_fact_prot_info(struc + static int part_write(struct mtd_info *mtd, loff_t to, size_t len, + size_t *retlen, const u_char *buf) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + return part->master->_write(part->master, to + part->offset, len, + retlen, buf); + } +@@ -193,7 +193,7 @@ static int part_write(struct mtd_info *m + static int part_panic_write(struct mtd_info *mtd, loff_t to, size_t len, + size_t *retlen, const u_char *buf) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + return part->master->_panic_write(part->master, to + part->offset, len, + retlen, buf); + } +@@ -201,7 +201,7 @@ static int part_panic_write(struct mtd_i + static int part_write_oob(struct mtd_info *mtd, loff_t to, + struct mtd_oob_ops *ops) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + + if (to >= mtd->size) + return -EINVAL; +@@ -213,7 +213,7 @@ static int part_write_oob(struct mtd_inf + static int part_write_user_prot_reg(struct mtd_info *mtd, loff_t from, + size_t len, size_t *retlen, u_char *buf) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + return part->master->_write_user_prot_reg(part->master, from, len, + retlen, buf); + } +@@ -221,21 +221,21 @@ static int part_write_user_prot_reg(stru + static int part_lock_user_prot_reg(struct mtd_info *mtd, loff_t from, + size_t len) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + return part->master->_lock_user_prot_reg(part->master, from, len); + } + + static int part_writev(struct mtd_info *mtd, const struct kvec *vecs, + unsigned long count, loff_t to, size_t *retlen) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + return part->master->_writev(part->master, vecs, count, + to + part->offset, retlen); + } + + static int part_erase(struct mtd_info *mtd, struct erase_info *instr) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + int ret; + + +@@ -299,7 +299,7 @@ static int part_erase(struct mtd_info *m + void mtd_erase_callback(struct erase_info *instr) + { + if (instr->mtd->_erase == part_erase) { +- struct mtd_part *part = PART(instr->mtd); ++ struct mtd_part *part = mtd_to_part(instr->mtd); + size_t wrlen = 0; + + if (instr->mtd->flags & MTD_ERASE_PARTIAL) { +@@ -330,13 +330,13 @@ EXPORT_SYMBOL_GPL(mtd_erase_callback); + + static int part_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + return part->master->_lock(part->master, ofs + part->offset, len); + } + + static int part_unlock(struct mtd_info *mtd, loff_t ofs, uint64_t len) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + + ofs += part->offset; + if (mtd->flags & MTD_ERASE_PARTIAL) { +@@ -349,45 +349,45 @@ static int part_unlock(struct mtd_info * + + static int part_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + return part->master->_is_locked(part->master, ofs + part->offset, len); + } + + static void part_sync(struct mtd_info *mtd) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + part->master->_sync(part->master); + } + + static int part_suspend(struct mtd_info *mtd) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + return part->master->_suspend(part->master); + } + + static void part_resume(struct mtd_info *mtd) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + part->master->_resume(part->master); + } + + static int part_block_isreserved(struct mtd_info *mtd, loff_t ofs) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + ofs += part->offset; + return part->master->_block_isreserved(part->master, ofs); + } + + static int part_block_isbad(struct mtd_info *mtd, loff_t ofs) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + ofs += part->offset; + return part->master->_block_isbad(part->master, ofs); + } + + static int part_block_markbad(struct mtd_info *mtd, loff_t ofs) + { +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + int res; + + ofs += part->offset; +@@ -397,6 +397,27 @@ static int part_block_markbad(struct mtd + return res; + } + ++static int part_ooblayout_ecc(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oobregion) ++{ ++ struct mtd_part *part = mtd_to_part(mtd); ++ ++ return mtd_ooblayout_ecc(part->master, section, oobregion); ++} ++ ++static int part_ooblayout_free(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oobregion) ++{ ++ struct mtd_part *part = mtd_to_part(mtd); ++ ++ return mtd_ooblayout_free(part->master, section, oobregion); ++} ++ ++static const struct mtd_ooblayout_ops part_ooblayout_ops = { ++ .ecc = part_ooblayout_ecc, ++ .free = part_ooblayout_free, ++}; ++ + static inline void free_partition(struct mtd_part *p) + { + kfree(p->mtd.name); +@@ -614,7 +635,7 @@ static struct mtd_part *allocate_partiti + slave->mtd.erasesize = slave->mtd.size; + } + +- slave->mtd.ecclayout = master->ecclayout; ++ mtd_set_ooblayout(&slave->mtd, &part_ooblayout_ops); + slave->mtd.ecc_step_size = master->ecc_step_size; + slave->mtd.ecc_strength = master->ecc_strength; + slave->mtd.bitflip_threshold = master->bitflip_threshold; +@@ -639,7 +660,7 @@ static ssize_t mtd_partition_offset_show + struct device_attribute *attr, char *buf) + { + struct mtd_info *mtd = dev_get_drvdata(dev); +- struct mtd_part *part = PART(mtd); ++ struct mtd_part *part = mtd_to_part(mtd); + return snprintf(buf, PAGE_SIZE, "%lld\n", part->offset); + } + +@@ -677,11 +698,10 @@ int mtd_add_partition(struct mtd_info *m + if (length <= 0) + return -EINVAL; + ++ memset(&part, 0, sizeof(part)); + part.name = name; + part.size = length; + part.offset = offset; +- part.mask_flags = 0; +- part.ecclayout = NULL; + + new = allocate_partition(master, &part, -1, offset); + if (IS_ERR(new)) +@@ -845,7 +865,7 @@ int add_mtd_partitions(struct mtd_info * + static DEFINE_SPINLOCK(part_parser_lock); + static LIST_HEAD(part_parsers); + +-static struct mtd_part_parser *get_partition_parser(const char *name) ++static struct mtd_part_parser *mtd_part_parser_get(const char *name) + { + struct mtd_part_parser *p, *ret = NULL; + +@@ -862,7 +882,20 @@ static struct mtd_part_parser *get_parti + return ret; + } + +-#define put_partition_parser(p) do { module_put((p)->owner); } while (0) ++static inline void mtd_part_parser_put(const struct mtd_part_parser *p) ++{ ++ module_put(p->owner); ++} ++ ++/* ++ * Many partition parsers just expected the core to kfree() all their data in ++ * one chunk. Do that by default. ++ */ ++static void mtd_part_parser_cleanup_default(const struct mtd_partition *pparts, ++ int nr_parts) ++{ ++ kfree(pparts); ++} + + static struct mtd_part_parser * + get_partition_parser_by_type(enum mtd_parser_type type, +@@ -874,7 +907,7 @@ get_partition_parser_by_type(enum mtd_pa + + p = list_prepare_entry(start, &part_parsers, list); + if (start) +- put_partition_parser(start); ++ mtd_part_parser_put(start); + + list_for_each_entry_continue(p, &part_parsers, list) { + if (p->type == type && try_module_get(p->owner)) { +@@ -888,13 +921,19 @@ get_partition_parser_by_type(enum mtd_pa + return ret; + } + +-void register_mtd_parser(struct mtd_part_parser *p) +-{ ++int __register_mtd_parser(struct mtd_part_parser *p, struct module *owner) ++ { ++ p->owner = owner; ++ ++ if (!p->cleanup) ++ p->cleanup = &mtd_part_parser_cleanup_default; ++ + spin_lock(&part_parser_lock); + list_add(&p->list, &part_parsers); + spin_unlock(&part_parser_lock); ++ return 0; + } +-EXPORT_SYMBOL_GPL(register_mtd_parser); ++EXPORT_SYMBOL_GPL(__register_mtd_parser); + + void deregister_mtd_parser(struct mtd_part_parser *p) + { +@@ -954,7 +993,7 @@ static const char * const default_mtd_pa + * parse_mtd_partitions - parse MTD partitions + * @master: the master partition (describes whole MTD device) + * @types: names of partition parsers to try or %NULL +- * @pparts: array of partitions found is returned here ++ * @pparts: info about partitions found is returned here + * @data: MTD partition parser-specific data + * + * This function tries to find partition on MTD device @master. It uses MTD +@@ -966,45 +1005,42 @@ static const char * const default_mtd_pa + * + * This function may return: + * o a negative error code in case of failure +- * o zero if no partitions were found +- * o a positive number of found partitions, in which case on exit @pparts will +- * point to an array containing this number of &struct mtd_info objects. ++ * o zero otherwise, and @pparts will describe the partitions, number of ++ * partitions, and the parser which parsed them. Caller must release ++ * resources with mtd_part_parser_cleanup() when finished with the returned ++ * data. + */ + int parse_mtd_partitions(struct mtd_info *master, const char *const *types, +- struct mtd_partition **pparts, ++ struct mtd_partitions *pparts, + struct mtd_part_parser_data *data) + { + struct mtd_part_parser *parser; + int ret, err = 0; + const char *const *types_of = NULL; + +- if (data && data->of_node) { +- types_of = of_get_probes(data->of_node); +- if (types_of != NULL) +- types = types_of; +- } +- + if (!types) + types = default_mtd_part_types; + + for ( ; *types; types++) { + pr_debug("%s: parsing partitions %s\n", master->name, *types); +- parser = get_partition_parser(*types); ++ parser = mtd_part_parser_get(*types); + if (!parser && !request_module("%s", *types)) +- parser = get_partition_parser(*types); ++ parser = mtd_part_parser_get(*types); + pr_debug("%s: got parser %s\n", master->name, + parser ? parser->name : NULL); + if (!parser) + continue; +- ret = (*parser->parse_fn)(master, pparts, data); ++ ret = (*parser->parse_fn)(master, &pparts->parts, data); + pr_debug("%s: parser %s: %i\n", + master->name, parser->name, ret); +- put_partition_parser(parser); + if (ret > 0) { + printk(KERN_NOTICE "%d %s partitions found on MTD device %s\n", + ret, parser->name, master->name); +- return ret; ++ pparts->nr_parts = ret; ++ pparts->parser = parser; ++ return 0; + } ++ mtd_part_parser_put(parser); + /* + * Stash the first error we see; only report it if no parser + * succeeds +@@ -1034,7 +1070,7 @@ int parse_mtd_partitions_by_type(struct + ret = (*parser->parse_fn)(master, pparts, data); + + if (ret > 0) { +- put_partition_parser(parser); ++ mtd_part_parser_put(parser); + printk(KERN_NOTICE + "%d %s partitions found on MTD device %s\n", + ret, parser->name, master->name); +@@ -1048,6 +1084,22 @@ int parse_mtd_partitions_by_type(struct + } + EXPORT_SYMBOL_GPL(parse_mtd_partitions_by_type); + ++void mtd_part_parser_cleanup(struct mtd_partitions *parts) ++{ ++ const struct mtd_part_parser *parser; ++ ++ if (!parts) ++ return; ++ ++ parser = parts->parser; ++ if (parser) { ++ if (parser->cleanup) ++ parser->cleanup(parts->parts, parts->nr_parts); ++ ++ mtd_part_parser_put(parser); ++ } ++} ++ + int mtd_is_partition(const struct mtd_info *mtd) + { + struct mtd_part *part; +@@ -1070,7 +1122,7 @@ struct mtd_info *mtdpart_get_master(cons + if (!mtd_is_partition(mtd)) + return (struct mtd_info *)mtd; + +- return PART(mtd)->master; ++ return mtd_to_part(mtd)->master; + } + EXPORT_SYMBOL_GPL(mtdpart_get_master); + +@@ -1079,7 +1131,7 @@ uint64_t mtdpart_get_offset(const struct + if (!mtd_is_partition(mtd)) + return 0; + +- return PART(mtd)->offset; ++ return mtd_to_part(mtd)->offset; + } + EXPORT_SYMBOL_GPL(mtdpart_get_offset); + +@@ -1089,6 +1141,6 @@ uint64_t mtd_get_device_size(const struc + if (!mtd_is_partition(mtd)) + return mtd->size; + +- return PART(mtd)->master->size; ++ return mtd_to_part(mtd)->master->size; + } + EXPORT_SYMBOL_GPL(mtd_get_device_size); +--- a/drivers/mtd/mtdswap.c ++++ b/drivers/mtd/mtdswap.c +@@ -346,7 +346,7 @@ static int mtdswap_read_markers(struct m + if (mtd_can_have_bb(d->mtd) && mtd_block_isbad(d->mtd, offset)) + return MTDSWAP_SCANNED_BAD; + +- ops.ooblen = 2 * d->mtd->ecclayout->oobavail; ++ ops.ooblen = 2 * d->mtd->oobavail; + ops.oobbuf = d->oob_buf; + ops.ooboffs = 0; + ops.datbuf = NULL; +@@ -359,7 +359,7 @@ static int mtdswap_read_markers(struct m + + data = (struct mtdswap_oobdata *)d->oob_buf; + data2 = (struct mtdswap_oobdata *) +- (d->oob_buf + d->mtd->ecclayout->oobavail); ++ (d->oob_buf + d->mtd->oobavail); + + if (le16_to_cpu(data->magic) == MTDSWAP_MAGIC_CLEAN) { + eb->erase_count = le32_to_cpu(data->count); +@@ -933,7 +933,7 @@ static unsigned int mtdswap_eblk_passes( + + ops.mode = MTD_OPS_AUTO_OOB; + ops.len = mtd->writesize; +- ops.ooblen = mtd->ecclayout->oobavail; ++ ops.ooblen = mtd->oobavail; + ops.ooboffs = 0; + ops.datbuf = d->page_buf; + ops.oobbuf = d->oob_buf; +@@ -945,7 +945,7 @@ static unsigned int mtdswap_eblk_passes( + for (i = 0; i < mtd_pages; i++) { + patt = mtdswap_test_patt(test + i); + memset(d->page_buf, patt, mtd->writesize); +- memset(d->oob_buf, patt, mtd->ecclayout->oobavail); ++ memset(d->oob_buf, patt, mtd->oobavail); + ret = mtd_write_oob(mtd, pos, &ops); + if (ret) + goto error; +@@ -964,7 +964,7 @@ static unsigned int mtdswap_eblk_passes( + if (p1[j] != patt) + goto error; + +- for (j = 0; j < mtd->ecclayout->oobavail; j++) ++ for (j = 0; j < mtd->oobavail; j++) + if (p2[j] != (unsigned char)patt) + goto error; + +@@ -1387,7 +1387,7 @@ static int mtdswap_init(struct mtdswap_d + if (!d->page_buf) + goto page_buf_fail; + +- d->oob_buf = kmalloc(2 * mtd->ecclayout->oobavail, GFP_KERNEL); ++ d->oob_buf = kmalloc(2 * mtd->oobavail, GFP_KERNEL); + if (!d->oob_buf) + goto oob_buf_fail; + +@@ -1417,7 +1417,6 @@ static void mtdswap_add_mtd(struct mtd_b + unsigned long part; + unsigned int eblocks, eavailable, bad_blocks, spare_cnt; + uint64_t swap_size, use_size, size_limit; +- struct nand_ecclayout *oinfo; + int ret; + + parts = &partitions[0]; +@@ -1447,17 +1446,10 @@ static void mtdswap_add_mtd(struct mtd_b + return; + } + +- oinfo = mtd->ecclayout; +- if (!oinfo) { +- printk(KERN_ERR "%s: mtd%d does not have OOB\n", +- MTDSWAP_PREFIX, mtd->index); +- return; +- } +- +- if (!mtd->oobsize || oinfo->oobavail < MTDSWAP_OOBSIZE) { ++ if (!mtd->oobsize || mtd->oobavail < MTDSWAP_OOBSIZE) { + printk(KERN_ERR "%s: Not enough free bytes in OOB, " + "%d available, %zu needed.\n", +- MTDSWAP_PREFIX, oinfo->oobavail, MTDSWAP_OOBSIZE); ++ MTDSWAP_PREFIX, mtd->oobavail, MTDSWAP_OOBSIZE); + return; + } + +--- a/drivers/mtd/nand/Kconfig ++++ b/drivers/mtd/nand/Kconfig +@@ -55,7 +55,7 @@ config MTD_NAND_DENALI_PCI + config MTD_NAND_DENALI_DT + tristate "Support Denali NAND controller as a DT device" + select MTD_NAND_DENALI +- depends on HAS_DMA && HAVE_CLK ++ depends on HAS_DMA && HAVE_CLK && OF + help + Enable the driver for NAND flash on platforms using a Denali NAND + controller as a DT device. +@@ -74,6 +74,7 @@ config MTD_NAND_DENALI_SCRATCH_REG_ADDR + config MTD_NAND_GPIO + tristate "GPIO assisted NAND Flash driver" + depends on GPIOLIB || COMPILE_TEST ++ depends on HAS_IOMEM + help + This enables a NAND flash driver where control signals are + connected to GPIO pins, and commands and data are communicated +@@ -310,6 +311,7 @@ config MTD_NAND_CAFE + config MTD_NAND_CS553X + tristate "NAND support for CS5535/CS5536 (AMD Geode companion chip)" + depends on X86_32 ++ depends on !UML && HAS_IOMEM + help + The CS553x companion chips for the AMD Geode processor + include NAND flash controllers with built-in hardware ECC +@@ -463,6 +465,7 @@ config MTD_NAND_MPC5121_NFC + config MTD_NAND_VF610_NFC + tristate "Support for Freescale NFC for VF610/MPC5125" + depends on (SOC_VF610 || COMPILE_TEST) ++ depends on HAS_IOMEM + help + Enables support for NAND Flash Controller on some Freescale + processors like the VF610, MPC5125, MCF54418 or Kinetis K70. +@@ -480,7 +483,7 @@ config MTD_NAND_MXC + + config MTD_NAND_SH_FLCTL + tristate "Support for NAND on Renesas SuperH FLCTL" +- depends on SUPERH || ARCH_SHMOBILE || COMPILE_TEST ++ depends on SUPERH || COMPILE_TEST + depends on HAS_IOMEM + depends on HAS_DMA + help +@@ -519,6 +522,13 @@ config MTD_NAND_JZ4740 + help + Enables support for NAND Flash on JZ4740 SoC based boards. + ++config MTD_NAND_JZ4780 ++ tristate "Support for NAND on JZ4780 SoC" ++ depends on MACH_JZ4780 && JZ4780_NEMC ++ help ++ Enables support for NAND Flash connected to the NEMC on JZ4780 SoC ++ based boards, using the BCH controller for hardware error correction. ++ + config MTD_NAND_FSMC + tristate "Support for NAND on ST Micros FSMC" + depends on PLAT_SPEAR || ARCH_NOMADIK || ARCH_U8500 || MACH_U300 +@@ -546,4 +556,11 @@ config MTD_NAND_HISI504 + help + Enables support for NAND controller on Hisilicon SoC Hip04. + ++config MTD_NAND_QCOM ++ tristate "Support for NAND on QCOM SoCs" ++ depends on ARCH_QCOM ++ help ++ Enables support for NAND flash chips on SoCs containing the EBI2 NAND ++ controller. This controller is found on IPQ806x SoC. ++ + endif # MTD_NAND +--- a/drivers/mtd/nand/Makefile ++++ b/drivers/mtd/nand/Makefile +@@ -49,11 +49,13 @@ obj-$(CONFIG_MTD_NAND_MPC5121_NFC) += mp + obj-$(CONFIG_MTD_NAND_VF610_NFC) += vf610_nfc.o + obj-$(CONFIG_MTD_NAND_RICOH) += r852.o + obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o ++obj-$(CONFIG_MTD_NAND_JZ4780) += jz4780_nand.o jz4780_bch.o + obj-$(CONFIG_MTD_NAND_GPMI_NAND) += gpmi-nand/ + obj-$(CONFIG_MTD_NAND_XWAY) += xway_nand.o + obj-$(CONFIG_MTD_NAND_BCM47XXNFLASH) += bcm47xxnflash/ + obj-$(CONFIG_MTD_NAND_SUNXI) += sunxi_nand.o + obj-$(CONFIG_MTD_NAND_HISI504) += hisi504_nand.o + obj-$(CONFIG_MTD_NAND_BRCMNAND) += brcmnand/ ++obj-$(CONFIG_MTD_NAND_QCOM) += qcom_nandc.o + + nand-objs := nand_base.o nand_bbt.o nand_timings.o +--- a/drivers/mtd/nand/nand_base.c ++++ b/drivers/mtd/nand/nand_base.c +@@ -48,50 +48,6 @@ + #include <linux/mtd/partitions.h> + #include <linux/of_mtd.h> + +-/* Define default oob placement schemes for large and small page devices */ +-static struct nand_ecclayout nand_oob_8 = { +- .eccbytes = 3, +- .eccpos = {0, 1, 2}, +- .oobfree = { +- {.offset = 3, +- .length = 2}, +- {.offset = 6, +- .length = 2} } +-}; +- +-static struct nand_ecclayout nand_oob_16 = { +- .eccbytes = 6, +- .eccpos = {0, 1, 2, 3, 6, 7}, +- .oobfree = { +- {.offset = 8, +- . length = 8} } +-}; +- +-static struct nand_ecclayout nand_oob_64 = { +- .eccbytes = 24, +- .eccpos = { +- 40, 41, 42, 43, 44, 45, 46, 47, +- 48, 49, 50, 51, 52, 53, 54, 55, +- 56, 57, 58, 59, 60, 61, 62, 63}, +- .oobfree = { +- {.offset = 2, +- .length = 38} } +-}; +- +-static struct nand_ecclayout nand_oob_128 = { +- .eccbytes = 48, +- .eccpos = { +- 80, 81, 82, 83, 84, 85, 86, 87, +- 88, 89, 90, 91, 92, 93, 94, 95, +- 96, 97, 98, 99, 100, 101, 102, 103, +- 104, 105, 106, 107, 108, 109, 110, 111, +- 112, 113, 114, 115, 116, 117, 118, 119, +- 120, 121, 122, 123, 124, 125, 126, 127}, +- .oobfree = { +- {.offset = 2, +- .length = 78} } +-}; +- + static int nand_get_device(struct mtd_info *mtd, int new_state); + + static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, +@@ -103,10 +59,96 @@ static int nand_do_write_oob(struct mtd_ + */ + DEFINE_LED_TRIGGER(nand_led_trigger); + ++/* Define default oob placement schemes for large and small page devices */ ++static int nand_ooblayout_ecc_sp(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oobregion) ++{ ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct nand_ecc_ctrl *ecc = &chip->ecc; ++ ++ if (section > 1) ++ return -ERANGE; ++ ++ if (!section) { ++ oobregion->offset = 0; ++ oobregion->length = 4; ++ } else { ++ oobregion->offset = 6; ++ oobregion->length = ecc->total - 4; ++ } ++ ++ return 0; ++} ++ ++static int nand_ooblayout_free_sp(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oobregion) ++{ ++ if (section > 1) ++ return -ERANGE; ++ ++ if (mtd->oobsize == 16) { ++ if (section) ++ return -ERANGE; ++ ++ oobregion->length = 8; ++ oobregion->offset = 8; ++ } else { ++ oobregion->length = 2; ++ if (!section) ++ oobregion->offset = 3; ++ else ++ oobregion->offset = 6; ++ } ++ ++ return 0; ++} ++ ++const struct mtd_ooblayout_ops nand_ooblayout_sp_ops = { ++ .ecc = nand_ooblayout_ecc_sp, ++ .free = nand_ooblayout_free_sp, ++}; ++EXPORT_SYMBOL_GPL(nand_ooblayout_sp_ops); ++ ++static int nand_ooblayout_ecc_lp(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oobregion) ++{ ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct nand_ecc_ctrl *ecc = &chip->ecc; ++ ++ if (section) ++ return -ERANGE; ++ ++ oobregion->length = ecc->total; ++ oobregion->offset = mtd->oobsize - oobregion->length; ++ ++ return 0; ++} ++ ++static int nand_ooblayout_free_lp(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oobregion) ++{ ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct nand_ecc_ctrl *ecc = &chip->ecc; ++ ++ if (section) ++ return -ERANGE; ++ ++ oobregion->length = mtd->oobsize - ecc->total - 2; ++ oobregion->offset = 2; ++ ++ return 0; ++} ++ ++const struct mtd_ooblayout_ops nand_ooblayout_lp_ops = { ++ .ecc = nand_ooblayout_ecc_lp, ++ .free = nand_ooblayout_free_lp, ++}; ++EXPORT_SYMBOL_GPL(nand_ooblayout_lp_ops); ++ + static int check_offs_len(struct mtd_info *mtd, + loff_t ofs, uint64_t len) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + int ret = 0; + + /* Start address must align on block boundary */ +@@ -132,7 +174,7 @@ static int check_offs_len(struct mtd_inf + */ + static void nand_release_device(struct mtd_info *mtd) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + /* Release the controller and the chip */ + spin_lock(&chip->controller->lock); +@@ -150,7 +192,7 @@ static void nand_release_device(struct m + */ + static uint8_t nand_read_byte(struct mtd_info *mtd) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + return readb(chip->IO_ADDR_R); + } + +@@ -163,7 +205,7 @@ static uint8_t nand_read_byte(struct mtd + */ + static uint8_t nand_read_byte16(struct mtd_info *mtd) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + return (uint8_t) cpu_to_le16(readw(chip->IO_ADDR_R)); + } + +@@ -175,7 +217,7 @@ static uint8_t nand_read_byte16(struct m + */ + static u16 nand_read_word(struct mtd_info *mtd) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + return readw(chip->IO_ADDR_R); + } + +@@ -188,7 +230,7 @@ static u16 nand_read_word(struct mtd_inf + */ + static void nand_select_chip(struct mtd_info *mtd, int chipnr) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + switch (chipnr) { + case -1: +@@ -211,7 +253,7 @@ static void nand_select_chip(struct mtd_ + */ + static void nand_write_byte(struct mtd_info *mtd, uint8_t byte) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + chip->write_buf(mtd, &byte, 1); + } +@@ -225,7 +267,7 @@ static void nand_write_byte(struct mtd_i + */ + static void nand_write_byte16(struct mtd_info *mtd, uint8_t byte) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + uint16_t word = byte; + + /* +@@ -257,7 +299,7 @@ static void nand_write_byte16(struct mtd + */ + static void nand_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + iowrite8_rep(chip->IO_ADDR_W, buf, len); + } +@@ -272,7 +314,7 @@ static void nand_write_buf(struct mtd_in + */ + static void nand_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + ioread8_rep(chip->IO_ADDR_R, buf, len); + } +@@ -287,7 +329,7 @@ static void nand_read_buf(struct mtd_inf + */ + static void nand_write_buf16(struct mtd_info *mtd, const uint8_t *buf, int len) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + u16 *p = (u16 *) buf; + + iowrite16_rep(chip->IO_ADDR_W, p, len >> 1); +@@ -303,7 +345,7 @@ static void nand_write_buf16(struct mtd_ + */ + static void nand_read_buf16(struct mtd_info *mtd, uint8_t *buf, int len) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + u16 *p = (u16 *) buf; + + ioread16_rep(chip->IO_ADDR_R, p, len >> 1); +@@ -313,14 +355,13 @@ static void nand_read_buf16(struct mtd_i + * nand_block_bad - [DEFAULT] Read bad block marker from the chip + * @mtd: MTD device structure + * @ofs: offset from device start +- * @getchip: 0, if the chip is already selected + * + * Check, if the block is bad. + */ +-static int nand_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip) ++static int nand_block_bad(struct mtd_info *mtd, loff_t ofs) + { +- int page, chipnr, res = 0, i = 0; +- struct nand_chip *chip = mtd->priv; ++ int page, res = 0, i = 0; ++ struct nand_chip *chip = mtd_to_nand(mtd); + u16 bad; + + if (chip->bbt_options & NAND_BBT_SCANLASTPAGE) +@@ -328,15 +369,6 @@ static int nand_block_bad(struct mtd_inf + + page = (int)(ofs >> chip->page_shift) & chip->pagemask; + +- if (getchip) { +- chipnr = (int)(ofs >> chip->chip_shift); +- +- nand_get_device(mtd, FL_READING); +- +- /* Select the NAND device */ +- chip->select_chip(mtd, chipnr); +- } +- + do { + if (chip->options & NAND_BUSWIDTH_16) { + chip->cmdfunc(mtd, NAND_CMD_READOOB, +@@ -361,11 +393,6 @@ static int nand_block_bad(struct mtd_inf + i++; + } while (!res && i < 2 && (chip->bbt_options & NAND_BBT_SCAN2NDPAGE)); + +- if (getchip) { +- chip->select_chip(mtd, -1); +- nand_release_device(mtd); +- } +- + return res; + } + +@@ -380,7 +407,7 @@ static int nand_block_bad(struct mtd_inf + */ + static int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + struct mtd_oob_ops ops; + uint8_t buf[2] = { 0, 0 }; + int ret = 0, res, i = 0; +@@ -430,7 +457,7 @@ static int nand_default_block_markbad(st + */ + static int nand_block_markbad_lowlevel(struct mtd_info *mtd, loff_t ofs) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + int res, ret = 0; + + if (!(chip->bbt_options & NAND_BBT_NO_OOB_BBM)) { +@@ -471,7 +498,7 @@ static int nand_block_markbad_lowlevel(s + */ + static int nand_check_wp(struct mtd_info *mtd) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + /* Broken xD cards report WP despite being writable */ + if (chip->options & NAND_BROKEN_XD) +@@ -491,7 +518,7 @@ static int nand_check_wp(struct mtd_info + */ + static int nand_block_isreserved(struct mtd_info *mtd, loff_t ofs) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + if (!chip->bbt) + return 0; +@@ -503,19 +530,17 @@ static int nand_block_isreserved(struct + * nand_block_checkbad - [GENERIC] Check if a block is marked bad + * @mtd: MTD device structure + * @ofs: offset from device start +- * @getchip: 0, if the chip is already selected + * @allowbbt: 1, if its allowed to access the bbt area + * + * Check, if the block is bad. Either by reading the bad block table or + * calling of the scan function. + */ +-static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int getchip, +- int allowbbt) ++static int nand_block_checkbad(struct mtd_info *mtd, loff_t ofs, int allowbbt) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + if (!chip->bbt) +- return chip->block_bad(mtd, ofs, getchip); ++ return chip->block_bad(mtd, ofs); + + /* Return info from the table */ + return nand_isbad_bbt(mtd, ofs, allowbbt); +@@ -531,7 +556,7 @@ static int nand_block_checkbad(struct mt + */ + static void panic_nand_wait_ready(struct mtd_info *mtd, unsigned long timeo) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + int i; + + /* Wait for the device to get ready */ +@@ -551,7 +576,7 @@ static void panic_nand_wait_ready(struct + */ + void nand_wait_ready(struct mtd_info *mtd) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + unsigned long timeo = 400; + + if (in_interrupt() || oops_in_progress) +@@ -566,8 +591,8 @@ void nand_wait_ready(struct mtd_info *mt + cond_resched(); + } while (time_before(jiffies, timeo)); + +- pr_warn_ratelimited( +- "timeout while waiting for chip to become ready\n"); ++ if (!chip->dev_ready(mtd)) ++ pr_warn_ratelimited("timeout while waiting for chip to become ready\n"); + out: + led_trigger_event(nand_led_trigger, LED_OFF); + } +@@ -582,7 +607,7 @@ EXPORT_SYMBOL_GPL(nand_wait_ready); + */ + static void nand_wait_status_ready(struct mtd_info *mtd, unsigned long timeo) + { +- register struct nand_chip *chip = mtd->priv; ++ register struct nand_chip *chip = mtd_to_nand(mtd); + + timeo = jiffies + msecs_to_jiffies(timeo); + do { +@@ -605,7 +630,7 @@ static void nand_wait_status_ready(struc + static void nand_command(struct mtd_info *mtd, unsigned int command, + int column, int page_addr) + { +- register struct nand_chip *chip = mtd->priv; ++ register struct nand_chip *chip = mtd_to_nand(mtd); + int ctrl = NAND_CTRL_CLE | NAND_CTRL_CHANGE; + + /* Write out the command to the device */ +@@ -708,7 +733,7 @@ static void nand_command(struct mtd_info + static void nand_command_lp(struct mtd_info *mtd, unsigned int command, + int column, int page_addr) + { +- register struct nand_chip *chip = mtd->priv; ++ register struct nand_chip *chip = mtd_to_nand(mtd); + + /* Emulate NAND_CMD_READOOB */ + if (command == NAND_CMD_READOOB) { +@@ -832,7 +857,7 @@ static void panic_nand_get_device(struct + static int + nand_get_device(struct mtd_info *mtd, int new_state) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + spinlock_t *lock = &chip->controller->lock; + wait_queue_head_t *wq = &chip->controller->wq; + DECLARE_WAITQUEUE(wait, current); +@@ -952,7 +977,7 @@ static int __nand_unlock(struct mtd_info + { + int ret = 0; + int status, page; +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + /* Submit address of first page to unlock */ + page = ofs >> chip->page_shift; +@@ -987,7 +1012,7 @@ int nand_unlock(struct mtd_info *mtd, lo + { + int ret = 0; + int chipnr; +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + pr_debug("%s: start = 0x%012llx, len = %llu\n", + __func__, (unsigned long long)ofs, len); +@@ -1050,7 +1075,7 @@ int nand_lock(struct mtd_info *mtd, loff + { + int ret = 0; + int chipnr, status, page; +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + pr_debug("%s: start = 0x%012llx, len = %llu\n", + __func__, (unsigned long long)ofs, len); +@@ -1309,13 +1334,12 @@ static int nand_read_page_raw_syndrome(s + static int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip, + uint8_t *buf, int oob_required, int page) + { +- int i, eccsize = chip->ecc.size; ++ int i, eccsize = chip->ecc.size, ret; + int eccbytes = chip->ecc.bytes; + int eccsteps = chip->ecc.steps; + uint8_t *p = buf; + uint8_t *ecc_calc = chip->buffers->ecccalc; + uint8_t *ecc_code = chip->buffers->ecccode; +- uint32_t *eccpos = chip->ecc.layout->eccpos; + unsigned int max_bitflips = 0; + + chip->ecc.read_page_raw(mtd, chip, buf, 1, page); +@@ -1323,8 +1347,10 @@ static int nand_read_page_swecc(struct m + for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) + chip->ecc.calculate(mtd, p, &ecc_calc[i]); + +- for (i = 0; i < chip->ecc.total; i++) +- ecc_code[i] = chip->oob_poi[eccpos[i]]; ++ ret = mtd_ooblayout_get_eccbytes(mtd, ecc_code, chip->oob_poi, 0, ++ chip->ecc.total); ++ if (ret) ++ return ret; + + eccsteps = chip->ecc.steps; + p = buf; +@@ -1356,14 +1382,14 @@ static int nand_read_subpage(struct mtd_ + uint32_t data_offs, uint32_t readlen, uint8_t *bufpoi, + int page) + { +- int start_step, end_step, num_steps; +- uint32_t *eccpos = chip->ecc.layout->eccpos; ++ int start_step, end_step, num_steps, ret; + uint8_t *p; + int data_col_addr, i, gaps = 0; + int datafrag_len, eccfrag_len, aligned_len, aligned_pos; + int busw = (chip->options & NAND_BUSWIDTH_16) ? 2 : 1; +- int index; ++ int index, section = 0; + unsigned int max_bitflips = 0; ++ struct mtd_oob_region oobregion = { }; + + /* Column address within the page aligned to ECC size (256bytes) */ + start_step = data_offs / chip->ecc.size; +@@ -1391,12 +1417,13 @@ static int nand_read_subpage(struct mtd_ + * The performance is faster if we position offsets according to + * ecc.pos. Let's make sure that there are no gaps in ECC positions. + */ +- for (i = 0; i < eccfrag_len - 1; i++) { +- if (eccpos[i + index] + 1 != eccpos[i + index + 1]) { +- gaps = 1; +- break; +- } +- } ++ ret = mtd_ooblayout_find_eccregion(mtd, index, §ion, &oobregion); ++ if (ret) ++ return ret; ++ ++ if (oobregion.length < eccfrag_len) ++ gaps = 1; ++ + if (gaps) { + chip->cmdfunc(mtd, NAND_CMD_RNDOUT, mtd->writesize, -1); + chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); +@@ -1405,20 +1432,23 @@ static int nand_read_subpage(struct mtd_ + * Send the command to read the particular ECC bytes take care + * about buswidth alignment in read_buf. + */ +- aligned_pos = eccpos[index] & ~(busw - 1); ++ aligned_pos = oobregion.offset & ~(busw - 1); + aligned_len = eccfrag_len; +- if (eccpos[index] & (busw - 1)) ++ if (oobregion.offset & (busw - 1)) + aligned_len++; +- if (eccpos[index + (num_steps * chip->ecc.bytes)] & (busw - 1)) ++ if ((oobregion.offset + (num_steps * chip->ecc.bytes)) & ++ (busw - 1)) + aligned_len++; + + chip->cmdfunc(mtd, NAND_CMD_RNDOUT, +- mtd->writesize + aligned_pos, -1); ++ mtd->writesize + aligned_pos, -1); + chip->read_buf(mtd, &chip->oob_poi[aligned_pos], aligned_len); + } + +- for (i = 0; i < eccfrag_len; i++) +- chip->buffers->ecccode[i] = chip->oob_poi[eccpos[i + index]]; ++ ret = mtd_ooblayout_get_eccbytes(mtd, chip->buffers->ecccode, ++ chip->oob_poi, index, eccfrag_len); ++ if (ret) ++ return ret; + + p = bufpoi + data_col_addr; + for (i = 0; i < eccfrag_len ; i += chip->ecc.bytes, p += chip->ecc.size) { +@@ -1426,6 +1456,16 @@ static int nand_read_subpage(struct mtd_ + + stat = chip->ecc.correct(mtd, p, + &chip->buffers->ecccode[i], &chip->buffers->ecccalc[i]); ++ if (stat == -EBADMSG && ++ (chip->ecc.options & NAND_ECC_GENERIC_ERASED_CHECK)) { ++ /* check for empty pages with bitflips */ ++ stat = nand_check_erased_ecc_chunk(p, chip->ecc.size, ++ &chip->buffers->ecccode[i], ++ chip->ecc.bytes, ++ NULL, 0, ++ chip->ecc.strength); ++ } ++ + if (stat < 0) { + mtd->ecc_stats.failed++; + } else { +@@ -1449,13 +1489,12 @@ static int nand_read_subpage(struct mtd_ + static int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, + uint8_t *buf, int oob_required, int page) + { +- int i, eccsize = chip->ecc.size; ++ int i, eccsize = chip->ecc.size, ret; + int eccbytes = chip->ecc.bytes; + int eccsteps = chip->ecc.steps; + uint8_t *p = buf; + uint8_t *ecc_calc = chip->buffers->ecccalc; + uint8_t *ecc_code = chip->buffers->ecccode; +- uint32_t *eccpos = chip->ecc.layout->eccpos; + unsigned int max_bitflips = 0; + + for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) { +@@ -1465,8 +1504,10 @@ static int nand_read_page_hwecc(struct m + } + chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); + +- for (i = 0; i < chip->ecc.total; i++) +- ecc_code[i] = chip->oob_poi[eccpos[i]]; ++ ret = mtd_ooblayout_get_eccbytes(mtd, ecc_code, chip->oob_poi, 0, ++ chip->ecc.total); ++ if (ret) ++ return ret; + + eccsteps = chip->ecc.steps; + p = buf; +@@ -1475,6 +1516,15 @@ static int nand_read_page_hwecc(struct m + int stat; + + stat = chip->ecc.correct(mtd, p, &ecc_code[i], &ecc_calc[i]); ++ if (stat == -EBADMSG && ++ (chip->ecc.options & NAND_ECC_GENERIC_ERASED_CHECK)) { ++ /* check for empty pages with bitflips */ ++ stat = nand_check_erased_ecc_chunk(p, eccsize, ++ &ecc_code[i], eccbytes, ++ NULL, 0, ++ chip->ecc.strength); ++ } ++ + if (stat < 0) { + mtd->ecc_stats.failed++; + } else { +@@ -1502,12 +1552,11 @@ static int nand_read_page_hwecc(struct m + static int nand_read_page_hwecc_oob_first(struct mtd_info *mtd, + struct nand_chip *chip, uint8_t *buf, int oob_required, int page) + { +- int i, eccsize = chip->ecc.size; ++ int i, eccsize = chip->ecc.size, ret; + int eccbytes = chip->ecc.bytes; + int eccsteps = chip->ecc.steps; + uint8_t *p = buf; + uint8_t *ecc_code = chip->buffers->ecccode; +- uint32_t *eccpos = chip->ecc.layout->eccpos; + uint8_t *ecc_calc = chip->buffers->ecccalc; + unsigned int max_bitflips = 0; + +@@ -1516,8 +1565,10 @@ static int nand_read_page_hwecc_oob_firs + chip->read_buf(mtd, chip->oob_poi, mtd->oobsize); + chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page); + +- for (i = 0; i < chip->ecc.total; i++) +- ecc_code[i] = chip->oob_poi[eccpos[i]]; ++ ret = mtd_ooblayout_get_eccbytes(mtd, ecc_code, chip->oob_poi, 0, ++ chip->ecc.total); ++ if (ret) ++ return ret; + + for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) { + int stat; +@@ -1527,6 +1578,15 @@ static int nand_read_page_hwecc_oob_firs + chip->ecc.calculate(mtd, p, &ecc_calc[i]); + + stat = chip->ecc.correct(mtd, p, &ecc_code[i], NULL); ++ if (stat == -EBADMSG && ++ (chip->ecc.options & NAND_ECC_GENERIC_ERASED_CHECK)) { ++ /* check for empty pages with bitflips */ ++ stat = nand_check_erased_ecc_chunk(p, eccsize, ++ &ecc_code[i], eccbytes, ++ NULL, 0, ++ chip->ecc.strength); ++ } ++ + if (stat < 0) { + mtd->ecc_stats.failed++; + } else { +@@ -1554,6 +1614,7 @@ static int nand_read_page_syndrome(struc + int i, eccsize = chip->ecc.size; + int eccbytes = chip->ecc.bytes; + int eccsteps = chip->ecc.steps; ++ int eccpadbytes = eccbytes + chip->ecc.prepad + chip->ecc.postpad; + uint8_t *p = buf; + uint8_t *oob = chip->oob_poi; + unsigned int max_bitflips = 0; +@@ -1573,19 +1634,29 @@ static int nand_read_page_syndrome(struc + chip->read_buf(mtd, oob, eccbytes); + stat = chip->ecc.correct(mtd, p, oob, NULL); + +- if (stat < 0) { +- mtd->ecc_stats.failed++; +- } else { +- mtd->ecc_stats.corrected += stat; +- max_bitflips = max_t(unsigned int, max_bitflips, stat); +- } +- + oob += eccbytes; + + if (chip->ecc.postpad) { + chip->read_buf(mtd, oob, chip->ecc.postpad); + oob += chip->ecc.postpad; + } ++ ++ if (stat == -EBADMSG && ++ (chip->ecc.options & NAND_ECC_GENERIC_ERASED_CHECK)) { ++ /* check for empty pages with bitflips */ ++ stat = nand_check_erased_ecc_chunk(p, chip->ecc.size, ++ oob - eccpadbytes, ++ eccpadbytes, ++ NULL, 0, ++ chip->ecc.strength); ++ } ++ ++ if (stat < 0) { ++ mtd->ecc_stats.failed++; ++ } else { ++ mtd->ecc_stats.corrected += stat; ++ max_bitflips = max_t(unsigned int, max_bitflips, stat); ++ } + } + + /* Calculate remaining oob bytes */ +@@ -1598,14 +1669,17 @@ static int nand_read_page_syndrome(struc + + /** + * nand_transfer_oob - [INTERN] Transfer oob to client buffer +- * @chip: nand chip structure ++ * @mtd: mtd info structure + * @oob: oob destination address + * @ops: oob ops structure + * @len: size of oob to transfer + */ +-static uint8_t *nand_transfer_oob(struct nand_chip *chip, uint8_t *oob, ++static uint8_t *nand_transfer_oob(struct mtd_info *mtd, uint8_t *oob, + struct mtd_oob_ops *ops, size_t len) + { ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ int ret; ++ + switch (ops->mode) { + + case MTD_OPS_PLACE_OOB: +@@ -1613,31 +1687,12 @@ static uint8_t *nand_transfer_oob(struct + memcpy(oob, chip->oob_poi + ops->ooboffs, len); + return oob + len; + +- case MTD_OPS_AUTO_OOB: { +- struct nand_oobfree *free = chip->ecc.layout->oobfree; +- uint32_t boffs = 0, roffs = ops->ooboffs; +- size_t bytes = 0; +- +- for (; free->length && len; free++, len -= bytes) { +- /* Read request not from offset 0? */ +- if (unlikely(roffs)) { +- if (roffs >= free->length) { +- roffs -= free->length; +- continue; +- } +- boffs = free->offset + roffs; +- bytes = min_t(size_t, len, +- (free->length - roffs)); +- roffs = 0; +- } else { +- bytes = min_t(size_t, len, free->length); +- boffs = free->offset; +- } +- memcpy(oob, chip->oob_poi + boffs, bytes); +- oob += bytes; +- } +- return oob; +- } ++ case MTD_OPS_AUTO_OOB: ++ ret = mtd_ooblayout_get_databytes(mtd, oob, chip->oob_poi, ++ ops->ooboffs, len); ++ BUG_ON(ret); ++ return oob + len; ++ + default: + BUG(); + } +@@ -1655,7 +1710,7 @@ static uint8_t *nand_transfer_oob(struct + */ + static int nand_setup_read_retry(struct mtd_info *mtd, int retry_mode) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + pr_debug("setting READ RETRY mode %d\n", retry_mode); + +@@ -1680,12 +1735,11 @@ static int nand_do_read_ops(struct mtd_i + struct mtd_oob_ops *ops) + { + int chipnr, page, realpage, col, bytes, aligned, oob_required; +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + int ret = 0; + uint32_t readlen = ops->len; + uint32_t oobreadlen = ops->ooblen; +- uint32_t max_oobsize = ops->mode == MTD_OPS_AUTO_OOB ? +- mtd->oobavail : mtd->oobsize; ++ uint32_t max_oobsize = mtd_oobavail(mtd, ops); + + uint8_t *bufpoi, *oob, *buf; + int use_bufpoi; +@@ -1772,7 +1826,7 @@ read_retry: + int toread = min(oobreadlen, max_oobsize); + + if (toread) { +- oob = nand_transfer_oob(chip, ++ oob = nand_transfer_oob(mtd, + oob, ops, toread); + oobreadlen -= toread; + } +@@ -2024,7 +2078,7 @@ static int nand_do_read_oob(struct mtd_i + struct mtd_oob_ops *ops) + { + int page, realpage, chipnr; +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + struct mtd_ecc_stats stats; + int readlen = ops->ooblen; + int len; +@@ -2036,10 +2090,7 @@ static int nand_do_read_oob(struct mtd_i + + stats = mtd->ecc_stats; + +- if (ops->mode == MTD_OPS_AUTO_OOB) +- len = chip->ecc.layout->oobavail; +- else +- len = mtd->oobsize; ++ len = mtd_oobavail(mtd, ops); + + if (unlikely(ops->ooboffs >= len)) { + pr_debug("%s: attempt to start read outside oob\n", +@@ -2073,7 +2124,7 @@ static int nand_do_read_oob(struct mtd_i + break; + + len = min(len, readlen); +- buf = nand_transfer_oob(chip, buf, ops, len); ++ buf = nand_transfer_oob(mtd, buf, ops, len); + + if (chip->options & NAND_NEED_READRDY) { + /* Apply delay or wait for ready/busy pin */ +@@ -2232,19 +2283,20 @@ static int nand_write_page_swecc(struct + const uint8_t *buf, int oob_required, + int page) + { +- int i, eccsize = chip->ecc.size; ++ int i, eccsize = chip->ecc.size, ret; + int eccbytes = chip->ecc.bytes; + int eccsteps = chip->ecc.steps; + uint8_t *ecc_calc = chip->buffers->ecccalc; + const uint8_t *p = buf; +- uint32_t *eccpos = chip->ecc.layout->eccpos; + + /* Software ECC calculation */ + for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) + chip->ecc.calculate(mtd, p, &ecc_calc[i]); + +- for (i = 0; i < chip->ecc.total; i++) +- chip->oob_poi[eccpos[i]] = ecc_calc[i]; ++ ret = mtd_ooblayout_set_eccbytes(mtd, ecc_calc, chip->oob_poi, 0, ++ chip->ecc.total); ++ if (ret) ++ return ret; + + return chip->ecc.write_page_raw(mtd, chip, buf, 1, page); + } +@@ -2261,12 +2313,11 @@ static int nand_write_page_hwecc(struct + const uint8_t *buf, int oob_required, + int page) + { +- int i, eccsize = chip->ecc.size; ++ int i, eccsize = chip->ecc.size, ret; + int eccbytes = chip->ecc.bytes; + int eccsteps = chip->ecc.steps; + uint8_t *ecc_calc = chip->buffers->ecccalc; + const uint8_t *p = buf; +- uint32_t *eccpos = chip->ecc.layout->eccpos; + + for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) { + chip->ecc.hwctl(mtd, NAND_ECC_WRITE); +@@ -2274,8 +2325,10 @@ static int nand_write_page_hwecc(struct + chip->ecc.calculate(mtd, p, &ecc_calc[i]); + } + +- for (i = 0; i < chip->ecc.total; i++) +- chip->oob_poi[eccpos[i]] = ecc_calc[i]; ++ ret = mtd_ooblayout_set_eccbytes(mtd, ecc_calc, chip->oob_poi, 0, ++ chip->ecc.total); ++ if (ret) ++ return ret; + + chip->write_buf(mtd, chip->oob_poi, mtd->oobsize); + +@@ -2303,11 +2356,10 @@ static int nand_write_subpage_hwecc(stru + int ecc_size = chip->ecc.size; + int ecc_bytes = chip->ecc.bytes; + int ecc_steps = chip->ecc.steps; +- uint32_t *eccpos = chip->ecc.layout->eccpos; + uint32_t start_step = offset / ecc_size; + uint32_t end_step = (offset + data_len - 1) / ecc_size; + int oob_bytes = mtd->oobsize / ecc_steps; +- int step, i; ++ int step, ret; + + for (step = 0; step < ecc_steps; step++) { + /* configure controller for WRITE access */ +@@ -2335,8 +2387,10 @@ static int nand_write_subpage_hwecc(stru + /* copy calculated ECC for whole page to chip->buffer->oob */ + /* this include masked-value(0xFF) for unwritten subpages */ + ecc_calc = chip->buffers->ecccalc; +- for (i = 0; i < chip->ecc.total; i++) +- chip->oob_poi[eccpos[i]] = ecc_calc[i]; ++ ret = mtd_ooblayout_set_eccbytes(mtd, ecc_calc, chip->oob_poi, 0, ++ chip->ecc.total); ++ if (ret) ++ return ret; + + /* write OOB buffer to NAND device */ + chip->write_buf(mtd, chip->oob_poi, mtd->oobsize); +@@ -2472,7 +2526,8 @@ static int nand_write_page(struct mtd_in + static uint8_t *nand_fill_oob(struct mtd_info *mtd, uint8_t *oob, size_t len, + struct mtd_oob_ops *ops) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ int ret; + + /* + * Initialise to all 0xFF, to avoid the possibility of left over OOB +@@ -2487,31 +2542,12 @@ static uint8_t *nand_fill_oob(struct mtd + memcpy(chip->oob_poi + ops->ooboffs, oob, len); + return oob + len; + +- case MTD_OPS_AUTO_OOB: { +- struct nand_oobfree *free = chip->ecc.layout->oobfree; +- uint32_t boffs = 0, woffs = ops->ooboffs; +- size_t bytes = 0; +- +- for (; free->length && len; free++, len -= bytes) { +- /* Write request not from offset 0? */ +- if (unlikely(woffs)) { +- if (woffs >= free->length) { +- woffs -= free->length; +- continue; +- } +- boffs = free->offset + woffs; +- bytes = min_t(size_t, len, +- (free->length - woffs)); +- woffs = 0; +- } else { +- bytes = min_t(size_t, len, free->length); +- boffs = free->offset; +- } +- memcpy(chip->oob_poi + boffs, oob, bytes); +- oob += bytes; +- } +- return oob; +- } ++ case MTD_OPS_AUTO_OOB: ++ ret = mtd_ooblayout_set_databytes(mtd, oob, chip->oob_poi, ++ ops->ooboffs, len); ++ BUG_ON(ret); ++ return oob + len; ++ + default: + BUG(); + } +@@ -2532,12 +2568,11 @@ static int nand_do_write_ops(struct mtd_ + struct mtd_oob_ops *ops) + { + int chipnr, realpage, page, blockmask, column; +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + uint32_t writelen = ops->len; + + uint32_t oobwritelen = ops->ooblen; +- uint32_t oobmaxlen = ops->mode == MTD_OPS_AUTO_OOB ? +- mtd->oobavail : mtd->oobsize; ++ uint32_t oobmaxlen = mtd_oobavail(mtd, ops); + + uint8_t *oob = ops->oobbuf; + uint8_t *buf = ops->datbuf; +@@ -2662,7 +2697,7 @@ err_out: + static int panic_nand_write(struct mtd_info *mtd, loff_t to, size_t len, + size_t *retlen, const uint8_t *buf) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + struct mtd_oob_ops ops; + int ret; + +@@ -2722,15 +2757,12 @@ static int nand_do_write_oob(struct mtd_ + struct mtd_oob_ops *ops) + { + int chipnr, page, status, len; +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + pr_debug("%s: to = 0x%08x, len = %i\n", + __func__, (unsigned int)to, (int)ops->ooblen); + +- if (ops->mode == MTD_OPS_AUTO_OOB) +- len = chip->ecc.layout->oobavail; +- else +- len = mtd->oobsize; ++ len = mtd_oobavail(mtd, ops); + + /* Do not allow write past end of page */ + if ((ops->ooboffs + ops->ooblen) > len) { +@@ -2847,7 +2879,7 @@ out: + */ + static int single_erase(struct mtd_info *mtd, int page) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + /* Send commands to erase a block */ + chip->cmdfunc(mtd, NAND_CMD_ERASE1, -1, page); + chip->cmdfunc(mtd, NAND_CMD_ERASE2, -1, -1); +@@ -2879,7 +2911,7 @@ int nand_erase_nand(struct mtd_info *mtd + int allowbbt) + { + int page, status, pages_per_block, ret, chipnr; +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + loff_t len; + + pr_debug("%s: start = 0x%012llx, len = %llu\n", +@@ -2918,7 +2950,7 @@ int nand_erase_nand(struct mtd_info *mtd + while (len) { + /* Check if we have a bad block, we do not erase bad blocks! */ + if (nand_block_checkbad(mtd, ((loff_t) page) << +- chip->page_shift, 0, allowbbt)) { ++ chip->page_shift, allowbbt)) { + pr_warn("%s: attempt to erase a bad block at page 0x%08x\n", + __func__, page); + instr->state = MTD_ERASE_FAILED; +@@ -3005,7 +3037,20 @@ static void nand_sync(struct mtd_info *m + */ + static int nand_block_isbad(struct mtd_info *mtd, loff_t offs) + { +- return nand_block_checkbad(mtd, offs, 1, 0); ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ int chipnr = (int)(offs >> chip->chip_shift); ++ int ret; ++ ++ /* Select the NAND device */ ++ nand_get_device(mtd, FL_READING); ++ chip->select_chip(mtd, chipnr); ++ ++ ret = nand_block_checkbad(mtd, offs, 0); ++ ++ chip->select_chip(mtd, -1); ++ nand_release_device(mtd); ++ ++ return ret; + } + + /** +@@ -3094,7 +3139,7 @@ static int nand_suspend(struct mtd_info + */ + static void nand_resume(struct mtd_info *mtd) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + if (chip->state == FL_PM_SUSPENDED) + nand_release_device(mtd); +@@ -3266,7 +3311,7 @@ ext_out: + + static int nand_setup_read_retry_micron(struct mtd_info *mtd, int retry_mode) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + uint8_t feature[ONFI_SUBFEATURE_PARAM_LEN] = {retry_mode}; + + return chip->onfi_set_features(mtd, chip, ONFI_FEATURE_ADDR_READ_RETRY, +@@ -3937,10 +3982,13 @@ ident_done: + return type; + } + +-static int nand_dt_init(struct mtd_info *mtd, struct nand_chip *chip, +- struct device_node *dn) ++static int nand_dt_init(struct nand_chip *chip) + { +- int ecc_mode, ecc_strength, ecc_step; ++ struct device_node *dn = nand_get_flash_node(chip); ++ int ecc_mode, ecc_algo, ecc_strength, ecc_step; ++ ++ if (!dn) ++ return 0; + + if (of_get_nand_bus_width(dn) == 16) + chip->options |= NAND_BUSWIDTH_16; +@@ -3949,6 +3997,7 @@ static int nand_dt_init(struct mtd_info + chip->bbt_options |= NAND_BBT_USE_FLASH; + + ecc_mode = of_get_nand_ecc_mode(dn); ++ ecc_algo = of_get_nand_ecc_algo(dn); + ecc_strength = of_get_nand_ecc_strength(dn); + ecc_step = of_get_nand_ecc_step_size(dn); + +@@ -3961,6 +4010,9 @@ static int nand_dt_init(struct mtd_info + if (ecc_mode >= 0) + chip->ecc.mode = ecc_mode; + ++ if (ecc_algo >= 0) ++ chip->ecc.algo = ecc_algo; ++ + if (ecc_strength >= 0) + chip->ecc.strength = ecc_strength; + +@@ -3984,15 +4036,16 @@ int nand_scan_ident(struct mtd_info *mtd + struct nand_flash_dev *table) + { + int i, nand_maf_id, nand_dev_id; +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + struct nand_flash_dev *type; + int ret; + +- if (chip->flash_node) { +- ret = nand_dt_init(mtd, chip, chip->flash_node); +- if (ret) +- return ret; +- } ++ ret = nand_dt_init(chip); ++ if (ret) ++ return ret; ++ ++ if (!mtd->name && mtd->dev.parent) ++ mtd->name = dev_name(mtd->dev.parent); + + if (!mtd->name && mtd->dev.parent) + mtd->name = dev_name(mtd->dev.parent); +@@ -4055,7 +4108,7 @@ EXPORT_SYMBOL(nand_scan_ident); + */ + static bool nand_ecc_strength_good(struct mtd_info *mtd) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + struct nand_ecc_ctrl *ecc = &chip->ecc; + int corr, ds_corr; + +@@ -4083,10 +4136,10 @@ static bool nand_ecc_strength_good(struc + */ + int nand_scan_tail(struct mtd_info *mtd) + { +- int i; +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + struct nand_ecc_ctrl *ecc = &chip->ecc; + struct nand_buffers *nbuf; ++ int ret; + + /* New bad blocks should be marked in OOB, flash-based BBT, or both */ + BUG_ON((chip->bbt_options & NAND_BBT_NO_OOB_BBM) && +@@ -4113,19 +4166,15 @@ int nand_scan_tail(struct mtd_info *mtd) + /* + * If no default placement scheme is given, select an appropriate one. + */ +- if (!ecc->layout && (ecc->mode != NAND_ECC_SOFT_BCH)) { ++ if (!mtd->ooblayout && (ecc->mode != NAND_ECC_SOFT_BCH)) { + switch (mtd->oobsize) { + case 8: +- ecc->layout = &nand_oob_8; +- break; + case 16: +- ecc->layout = &nand_oob_16; ++ mtd_set_ooblayout(mtd, &nand_ooblayout_sp_ops); + break; + case 64: +- ecc->layout = &nand_oob_64; +- break; + case 128: +- ecc->layout = &nand_oob_128; ++ mtd_set_ooblayout(mtd, &nand_ooblayout_lp_ops); + break; + default: + pr_warn("No oob scheme defined for oobsize %d\n", +@@ -4168,7 +4217,7 @@ int nand_scan_tail(struct mtd_info *mtd) + ecc->write_oob = nand_write_oob_std; + if (!ecc->read_subpage) + ecc->read_subpage = nand_read_subpage; +- if (!ecc->write_subpage) ++ if (!ecc->write_subpage && ecc->hwctl && ecc->calculate) + ecc->write_subpage = nand_write_subpage_hwecc; + + case NAND_ECC_HW_SYNDROME: +@@ -4246,10 +4295,8 @@ int nand_scan_tail(struct mtd_info *mtd) + } + + /* See nand_bch_init() for details. */ +- ecc->bytes = DIV_ROUND_UP( +- ecc->strength * fls(8 * ecc->size), 8); +- ecc->priv = nand_bch_init(mtd, ecc->size, ecc->bytes, +- &ecc->layout); ++ ecc->bytes = 0; ++ ecc->priv = nand_bch_init(mtd); + if (!ecc->priv) { + pr_warn("BCH ECC initialization failed!\n"); + BUG(); +@@ -4280,20 +4327,9 @@ int nand_scan_tail(struct mtd_info *mtd) + if (!ecc->write_oob_raw) + ecc->write_oob_raw = ecc->write_oob; + +- /* +- * The number of bytes available for a client to place data into +- * the out of band area. +- */ +- ecc->layout->oobavail = 0; +- for (i = 0; ecc->layout->oobfree[i].length +- && i < ARRAY_SIZE(ecc->layout->oobfree); i++) +- ecc->layout->oobavail += ecc->layout->oobfree[i].length; +- mtd->oobavail = ecc->layout->oobavail; +- +- /* ECC sanity check: warn if it's too weak */ +- if (!nand_ecc_strength_good(mtd)) +- pr_warn("WARNING: %s: the ECC used on your system is too weak compared to the one required by the NAND chip\n", +- mtd->name); ++ /* propagate ecc info to mtd_info */ ++ mtd->ecc_strength = ecc->strength; ++ mtd->ecc_step_size = ecc->size; + + /* + * Set the number of read / write steps for one page depending on ECC +@@ -4306,6 +4342,21 @@ int nand_scan_tail(struct mtd_info *mtd) + } + ecc->total = ecc->steps * ecc->bytes; + ++ /* ++ * The number of bytes available for a client to place data into ++ * the out of band area. ++ */ ++ ret = mtd_ooblayout_count_freebytes(mtd); ++ if (ret < 0) ++ ret = 0; ++ ++ mtd->oobavail = ret; ++ ++ /* ECC sanity check: warn if it's too weak */ ++ if (!nand_ecc_strength_good(mtd)) ++ pr_warn("WARNING: %s: the ECC used on your system is too weak compared to the one required by the NAND chip\n", ++ mtd->name); ++ + /* Allow subpage writes up to ecc.steps. Not possible for MLC flash */ + if (!(chip->options & NAND_NO_SUBPAGE_WRITE) && nand_is_slc(chip)) { + switch (ecc->steps) { +@@ -4362,10 +4413,6 @@ int nand_scan_tail(struct mtd_info *mtd) + mtd->_block_markbad = nand_block_markbad; + mtd->writebufsize = mtd->writesize; + +- /* propagate ecc info to mtd_info */ +- mtd->ecclayout = ecc->layout; +- mtd->ecc_strength = ecc->strength; +- mtd->ecc_step_size = ecc->size; + /* + * Initialize bitflip_threshold to its default prior scan_bbt() call. + * scan_bbt() might invoke mtd_read(), thus bitflip_threshold must be +@@ -4421,7 +4468,7 @@ EXPORT_SYMBOL(nand_scan); + */ + void nand_release(struct mtd_info *mtd) + { +- struct nand_chip *chip = mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + if (chip->ecc.mode == NAND_ECC_SOFT_BCH) + nand_bch_free((struct nand_bch_control *)chip->ecc.priv); +--- a/drivers/mtd/nand/nand_bbt.c ++++ b/drivers/mtd/nand/nand_bbt.c +@@ -172,7 +172,7 @@ static int read_bbt(struct mtd_info *mtd + struct nand_bbt_descr *td, int offs) + { + int res, ret = 0, i, j, act = 0; +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + size_t retlen, len, totlen; + loff_t from; + int bits = td->options & NAND_BBT_NRBITS_MSK; +@@ -263,7 +263,7 @@ static int read_bbt(struct mtd_info *mtd + */ + static int read_abs_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *td, int chip) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + int res = 0, i; + + if (td->options & NAND_BBT_PERCHIP) { +@@ -388,7 +388,7 @@ static u32 bbt_get_ver_offs(struct mtd_i + static void read_abs_bbts(struct mtd_info *mtd, uint8_t *buf, + struct nand_bbt_descr *td, struct nand_bbt_descr *md) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + + /* Read the primary version, if available */ + if (td->options & NAND_BBT_VERSION) { +@@ -454,7 +454,7 @@ static int scan_block_fast(struct mtd_in + static int create_bbt(struct mtd_info *mtd, uint8_t *buf, + struct nand_bbt_descr *bd, int chip) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + int i, numblocks, numpages; + int startblock; + loff_t from; +@@ -523,7 +523,7 @@ static int create_bbt(struct mtd_info *m + */ + static int search_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *td) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + int i, chips; + int startblock, block, dir; + int scanlen = mtd->writesize + mtd->oobsize; +@@ -618,7 +618,7 @@ static int write_bbt(struct mtd_info *mt + struct nand_bbt_descr *td, struct nand_bbt_descr *md, + int chipsel) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + struct erase_info einfo; + int i, res, chip = 0; + int bits, startblock, dir, page, offs, numblocks, sft, sftmsk; +@@ -819,7 +819,7 @@ static int write_bbt(struct mtd_info *mt + */ + static inline int nand_memory_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + + return create_bbt(mtd, this->buffers->databuf, bd, -1); + } +@@ -838,7 +838,7 @@ static inline int nand_memory_bbt(struct + static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr *bd) + { + int i, chips, writeops, create, chipsel, res, res2; +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + struct nand_bbt_descr *td = this->bbt_td; + struct nand_bbt_descr *md = this->bbt_md; + struct nand_bbt_descr *rd, *rd2; +@@ -962,7 +962,7 @@ static int check_create(struct mtd_info + */ + static void mark_bbt_region(struct mtd_info *mtd, struct nand_bbt_descr *td) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + int i, j, chips, block, nrblocks, update; + uint8_t oldval; + +@@ -1022,7 +1022,7 @@ static void mark_bbt_region(struct mtd_i + */ + static void verify_bbt_descr(struct mtd_info *mtd, struct nand_bbt_descr *bd) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + u32 pattern_len; + u32 bits; + u32 table_size; +@@ -1074,7 +1074,7 @@ static void verify_bbt_descr(struct mtd_ + */ + static int nand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + int len, res; + uint8_t *buf; + struct nand_bbt_descr *td = this->bbt_td; +@@ -1147,7 +1147,7 @@ err: + */ + static int nand_update_bbt(struct mtd_info *mtd, loff_t offs) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + int len, res = 0; + int chip, chipsel; + uint8_t *buf; +@@ -1281,7 +1281,7 @@ static int nand_create_badblock_pattern( + */ + int nand_default_bbt(struct mtd_info *mtd) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + int ret; + + /* Is a flash based bad block table requested? */ +@@ -1317,7 +1317,7 @@ int nand_default_bbt(struct mtd_info *mt + */ + int nand_isreserved_bbt(struct mtd_info *mtd, loff_t offs) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + int block; + + block = (int)(offs >> this->bbt_erase_shift); +@@ -1332,7 +1332,7 @@ int nand_isreserved_bbt(struct mtd_info + */ + int nand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + int block, res; + + block = (int)(offs >> this->bbt_erase_shift); +@@ -1359,7 +1359,7 @@ int nand_isbad_bbt(struct mtd_info *mtd, + */ + int nand_markbad_bbt(struct mtd_info *mtd, loff_t offs) + { +- struct nand_chip *this = mtd->priv; ++ struct nand_chip *this = mtd_to_nand(mtd); + int block, ret = 0; + + block = (int)(offs >> this->bbt_erase_shift); +@@ -1373,5 +1373,3 @@ int nand_markbad_bbt(struct mtd_info *mt + + return ret; + } +- +-EXPORT_SYMBOL(nand_scan_bbt); +--- a/drivers/mtd/nand/nand_bch.c ++++ b/drivers/mtd/nand/nand_bch.c +@@ -32,13 +32,11 @@ + /** + * struct nand_bch_control - private NAND BCH control structure + * @bch: BCH control structure +- * @ecclayout: private ecc layout for this BCH configuration + * @errloc: error location array + * @eccmask: XOR ecc mask, allows erased pages to be decoded as valid + */ + struct nand_bch_control { + struct bch_control *bch; +- struct nand_ecclayout ecclayout; + unsigned int *errloc; + unsigned char *eccmask; + }; +@@ -52,7 +50,7 @@ struct nand_bch_control { + int nand_bch_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf, + unsigned char *code) + { +- const struct nand_chip *chip = mtd->priv; ++ const struct nand_chip *chip = mtd_to_nand(mtd); + struct nand_bch_control *nbc = chip->ecc.priv; + unsigned int i; + +@@ -79,7 +77,7 @@ EXPORT_SYMBOL(nand_bch_calculate_ecc); + int nand_bch_correct_data(struct mtd_info *mtd, unsigned char *buf, + unsigned char *read_ecc, unsigned char *calc_ecc) + { +- const struct nand_chip *chip = mtd->priv; ++ const struct nand_chip *chip = mtd_to_nand(mtd); + struct nand_bch_control *nbc = chip->ecc.priv; + unsigned int *errloc = nbc->errloc; + int i, count; +@@ -98,7 +96,7 @@ int nand_bch_correct_data(struct mtd_inf + } + } else if (count < 0) { + printk(KERN_ERR "ecc unrecoverable error\n"); +- count = -1; ++ count = -EBADMSG; + } + return count; + } +@@ -107,9 +105,6 @@ EXPORT_SYMBOL(nand_bch_correct_data); + /** + * nand_bch_init - [NAND Interface] Initialize NAND BCH error correction + * @mtd: MTD block structure +- * @eccsize: ecc block size in bytes +- * @eccbytes: ecc length in bytes +- * @ecclayout: output default layout + * + * Returns: + * a pointer to a new NAND BCH control structure, or NULL upon failure +@@ -123,14 +118,20 @@ EXPORT_SYMBOL(nand_bch_correct_data); + * @eccsize = 512 (thus, m=13 is the smallest integer such that 2^m-1 > 512*8) + * @eccbytes = 7 (7 bytes are required to store m*t = 13*4 = 52 bits) + */ +-struct nand_bch_control * +-nand_bch_init(struct mtd_info *mtd, unsigned int eccsize, unsigned int eccbytes, +- struct nand_ecclayout **ecclayout) ++struct nand_bch_control *nand_bch_init(struct mtd_info *mtd) + { ++ struct nand_chip *nand = mtd_to_nand(mtd); + unsigned int m, t, eccsteps, i; +- struct nand_ecclayout *layout; + struct nand_bch_control *nbc = NULL; + unsigned char *erased_page; ++ unsigned int eccsize = nand->ecc.size; ++ unsigned int eccbytes = nand->ecc.bytes; ++ unsigned int eccstrength = nand->ecc.strength; ++ ++ if (!eccbytes && eccstrength) { ++ eccbytes = DIV_ROUND_UP(eccstrength * fls(8 * eccsize), 8); ++ nand->ecc.bytes = eccbytes; ++ } + + if (!eccsize || !eccbytes) { + printk(KERN_WARNING "ecc parameters not supplied\n"); +@@ -158,7 +159,7 @@ nand_bch_init(struct mtd_info *mtd, unsi + eccsteps = mtd->writesize/eccsize; + + /* if no ecc placement scheme was provided, build one */ +- if (!*ecclayout) { ++ if (!mtd->ooblayout) { + + /* handle large page devices only */ + if (mtd->oobsize < 64) { +@@ -167,24 +168,7 @@ nand_bch_init(struct mtd_info *mtd, unsi + goto fail; + } + +- layout = &nbc->ecclayout; +- layout->eccbytes = eccsteps*eccbytes; +- +- /* reserve 2 bytes for bad block marker */ +- if (layout->eccbytes+2 > mtd->oobsize) { +- printk(KERN_WARNING "no suitable oob scheme available " +- "for oobsize %d eccbytes %u\n", mtd->oobsize, +- eccbytes); +- goto fail; +- } +- /* put ecc bytes at oob tail */ +- for (i = 0; i < layout->eccbytes; i++) +- layout->eccpos[i] = mtd->oobsize-layout->eccbytes+i; +- +- layout->oobfree[0].offset = 2; +- layout->oobfree[0].length = mtd->oobsize-2-layout->eccbytes; +- +- *ecclayout = layout; ++ mtd_set_ooblayout(mtd, &nand_ooblayout_lp_ops); + } + + /* sanity checks */ +@@ -192,7 +176,8 @@ nand_bch_init(struct mtd_info *mtd, unsi + printk(KERN_WARNING "eccsize %u is too large\n", eccsize); + goto fail; + } +- if ((*ecclayout)->eccbytes != (eccsteps*eccbytes)) { ++ ++ if (mtd_ooblayout_count_eccbytes(mtd) != (eccsteps*eccbytes)) { + printk(KERN_WARNING "invalid ecc layout\n"); + goto fail; + } +@@ -216,6 +201,9 @@ nand_bch_init(struct mtd_info *mtd, unsi + for (i = 0; i < eccbytes; i++) + nbc->eccmask[i] ^= 0xff; + ++ if (!eccstrength) ++ nand->ecc.strength = (eccbytes * 8) / fls(8 * eccsize); ++ + return nbc; + fail: + nand_bch_free(nbc); +--- a/drivers/mtd/nand/nand_ecc.c ++++ b/drivers/mtd/nand/nand_ecc.c +@@ -424,7 +424,7 @@ int nand_calculate_ecc(struct mtd_info * + unsigned char *code) + { + __nand_calculate_ecc(buf, +- ((struct nand_chip *)mtd->priv)->ecc.size, code); ++ mtd_to_nand(mtd)->ecc.size, code); + + return 0; + } +@@ -524,7 +524,7 @@ int nand_correct_data(struct mtd_info *m + unsigned char *read_ecc, unsigned char *calc_ecc) + { + return __nand_correct_data(buf, read_ecc, calc_ecc, +- ((struct nand_chip *)mtd->priv)->ecc.size); ++ mtd_to_nand(mtd)->ecc.size); + } + EXPORT_SYMBOL(nand_correct_data); + +--- a/drivers/mtd/nand/nand_ids.c ++++ b/drivers/mtd/nand/nand_ids.c +@@ -50,8 +50,8 @@ struct nand_flash_dev nand_flash_ids[] = + SZ_16K, SZ_8K, SZ_4M, 0, 6, 1280, NAND_ECC_INFO(40, SZ_1K) }, + {"H27UCG8T2ATR-BC 64G 3.3V 8-bit", + { .id = {0xad, 0xde, 0x94, 0xda, 0x74, 0xc4} }, +- SZ_8K, SZ_8K, SZ_2M, 0, 6, 640, NAND_ECC_INFO(40, SZ_1K), +- 4 }, ++ SZ_8K, SZ_8K, SZ_2M, NAND_NEED_SCRAMBLING, 6, 640, ++ NAND_ECC_INFO(40, SZ_1K), 4 }, + + LEGACY_ID_NAND("NAND 4MiB 5V 8-bit", 0x6B, 4, SZ_8K, SP_OPTIONS), + LEGACY_ID_NAND("NAND 4MiB 3,3V 8-bit", 0xE3, 4, SZ_8K, SP_OPTIONS), +--- a/drivers/mtd/nand/nandsim.c ++++ b/drivers/mtd/nand/nandsim.c +@@ -666,8 +666,8 @@ static char *get_partition_name(int i) + */ + static int init_nandsim(struct mtd_info *mtd) + { +- struct nand_chip *chip = mtd->priv; +- struct nandsim *ns = chip->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct nandsim *ns = nand_get_controller_data(chip); + int i, ret = 0; + uint64_t remains; + uint64_t next_offset; +@@ -1908,7 +1908,8 @@ static void switch_state(struct nandsim + + static u_char ns_nand_read_byte(struct mtd_info *mtd) + { +- struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct nandsim *ns = nand_get_controller_data(chip); + u_char outb = 0x00; + + /* Sanity and correctness checks */ +@@ -1969,7 +1970,8 @@ static u_char ns_nand_read_byte(struct m + + static void ns_nand_write_byte(struct mtd_info *mtd, u_char byte) + { +- struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct nandsim *ns = nand_get_controller_data(chip); + + /* Sanity and correctness checks */ + if (!ns->lines.ce) { +@@ -2123,7 +2125,8 @@ static void ns_nand_write_byte(struct mt + + static void ns_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int bitmask) + { +- struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct nandsim *ns = nand_get_controller_data(chip); + + ns->lines.cle = bitmask & NAND_CLE ? 1 : 0; + ns->lines.ale = bitmask & NAND_ALE ? 1 : 0; +@@ -2141,7 +2144,7 @@ static int ns_device_ready(struct mtd_in + + static uint16_t ns_nand_read_word(struct mtd_info *mtd) + { +- struct nand_chip *chip = (struct nand_chip *)mtd->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); + + NS_DBG("read_word\n"); + +@@ -2150,7 +2153,8 @@ static uint16_t ns_nand_read_word(struct + + static void ns_nand_write_buf(struct mtd_info *mtd, const u_char *buf, int len) + { +- struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct nandsim *ns = nand_get_controller_data(chip); + + /* Check that chip is expecting data input */ + if (!(ns->state & STATE_DATAIN_MASK)) { +@@ -2177,7 +2181,8 @@ static void ns_nand_write_buf(struct mtd + + static void ns_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len) + { +- struct nandsim *ns = ((struct nand_chip *)mtd->priv)->priv; ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct nandsim *ns = nand_get_controller_data(chip); + + /* Sanity and correctness checks */ + if (!ns->lines.ce) { +@@ -2198,7 +2203,7 @@ static void ns_nand_read_buf(struct mtd_ + int i; + + for (i = 0; i < len; i++) +- buf[i] = ((struct nand_chip *)mtd->priv)->read_byte(mtd); ++ buf[i] = mtd_to_nand(mtd)->read_byte(mtd); + + return; + } +@@ -2236,16 +2241,15 @@ static int __init ns_init_module(void) + } + + /* Allocate and initialize mtd_info, nand_chip and nandsim structures */ +- nsmtd = kzalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip) +- + sizeof(struct nandsim), GFP_KERNEL); +- if (!nsmtd) { ++ chip = kzalloc(sizeof(struct nand_chip) + sizeof(struct nandsim), ++ GFP_KERNEL); ++ if (!chip) { + NS_ERR("unable to allocate core structures.\n"); + return -ENOMEM; + } +- chip = (struct nand_chip *)(nsmtd + 1); +- nsmtd->priv = (void *)chip; ++ nsmtd = nand_to_mtd(chip); + nand = (struct nandsim *)(chip + 1); +- chip->priv = (void *)nand; ++ nand_set_controller_data(chip, (void *)nand); + + /* + * Register simulator's callbacks. +@@ -2257,6 +2261,7 @@ static int __init ns_init_module(void) + chip->read_buf = ns_nand_read_buf; + chip->read_word = ns_nand_read_word; + chip->ecc.mode = NAND_ECC_SOFT; ++ chip->ecc.algo = NAND_ECC_HAMMING; + /* The NAND_SKIP_BBTSCAN option is necessary for 'overridesize' */ + /* and 'badblocks' parameters to work */ + chip->options |= NAND_SKIP_BBTSCAN; +@@ -2335,6 +2340,7 @@ static int __init ns_init_module(void) + goto error; + } + chip->ecc.mode = NAND_ECC_SOFT_BCH; ++ chip->ecc.algo = NAND_ECC_BCH; + chip->ecc.size = 512; + chip->ecc.strength = bch; + chip->ecc.bytes = eccbytes; +@@ -2392,7 +2398,7 @@ err_exit: + for (i = 0;i < ARRAY_SIZE(nand->partitions); ++i) + kfree(nand->partitions[i].name); + error: +- kfree(nsmtd); ++ kfree(chip); + free_lists(); + + return retval; +@@ -2405,7 +2411,8 @@ module_init(ns_init_module); + */ + static void __exit ns_cleanup_module(void) + { +- struct nandsim *ns = ((struct nand_chip *)nsmtd->priv)->priv; ++ struct nand_chip *chip = mtd_to_nand(nsmtd); ++ struct nandsim *ns = nand_get_controller_data(chip); + int i; + + nandsim_debugfs_remove(ns); +@@ -2413,7 +2420,7 @@ static void __exit ns_cleanup_module(voi + nand_release(nsmtd); /* Unregister driver */ + for (i = 0;i < ARRAY_SIZE(ns->partitions); ++i) + kfree(ns->partitions[i].name); +- kfree(nsmtd); /* Free other structures */ ++ kfree(mtd_to_nand(nsmtd)); /* Free other structures */ + free_lists(); + } + +--- a/drivers/mtd/ofpart.c ++++ b/drivers/mtd/ofpart.c +@@ -26,9 +26,10 @@ static bool node_has_compatible(struct d + } + + static int parse_ofpart_partitions(struct mtd_info *master, +- struct mtd_partition **pparts, ++ const struct mtd_partition **pparts, + struct mtd_part_parser_data *data) + { ++ struct mtd_partition *parts; + struct device_node *mtd_node; + struct device_node *ofpart_node; + const char *partname; +@@ -37,10 +38,8 @@ static int parse_ofpart_partitions(struc + bool dedicated = true; + + +- if (!data) +- return 0; +- +- mtd_node = data->of_node; ++ /* Pull of_node from the master device node */ ++ mtd_node = mtd_get_of_node(master); + if (!mtd_node) + return 0; + +@@ -72,8 +71,8 @@ static int parse_ofpart_partitions(struc + if (nr_parts == 0) + return 0; + +- *pparts = kzalloc(nr_parts * sizeof(**pparts), GFP_KERNEL); +- if (!*pparts) ++ parts = kzalloc(nr_parts * sizeof(*parts), GFP_KERNEL); ++ if (!parts) + return -ENOMEM; + + i = 0; +@@ -107,19 +106,19 @@ static int parse_ofpart_partitions(struc + goto ofpart_fail; + } + +- (*pparts)[i].offset = of_read_number(reg, a_cells); +- (*pparts)[i].size = of_read_number(reg + a_cells, s_cells); ++ parts[i].offset = of_read_number(reg, a_cells); ++ parts[i].size = of_read_number(reg + a_cells, s_cells); + + partname = of_get_property(pp, "label", &len); + if (!partname) + partname = of_get_property(pp, "name", &len); +- (*pparts)[i].name = partname; ++ parts[i].name = partname; + + if (of_get_property(pp, "read-only", &len)) +- (*pparts)[i].mask_flags |= MTD_WRITEABLE; ++ parts[i].mask_flags |= MTD_WRITEABLE; + + if (of_get_property(pp, "lock", &len)) +- (*pparts)[i].mask_flags |= MTD_POWERUP_LOCK; ++ parts[i].mask_flags |= MTD_POWERUP_LOCK; + + i++; + } +@@ -127,6 +126,7 @@ static int parse_ofpart_partitions(struc + if (!nr_parts) + goto ofpart_none; + ++ *pparts = parts; + return nr_parts; + + ofpart_fail: +@@ -135,21 +135,20 @@ ofpart_fail: + ret = -EINVAL; + ofpart_none: + of_node_put(pp); +- kfree(*pparts); +- *pparts = NULL; ++ kfree(parts); + return ret; + } + + static struct mtd_part_parser ofpart_parser = { +- .owner = THIS_MODULE, + .parse_fn = parse_ofpart_partitions, + .name = "ofpart", + }; + + static int parse_ofoldpart_partitions(struct mtd_info *master, +- struct mtd_partition **pparts, ++ const struct mtd_partition **pparts, + struct mtd_part_parser_data *data) + { ++ struct mtd_partition *parts; + struct device_node *dp; + int i, plen, nr_parts; + const struct { +@@ -157,10 +156,8 @@ static int parse_ofoldpart_partitions(st + } *part; + const char *names; + +- if (!data) +- return 0; +- +- dp = data->of_node; ++ /* Pull of_node from the master device node */ ++ dp = mtd_get_of_node(master); + if (!dp) + return 0; + +@@ -173,37 +170,37 @@ static int parse_ofoldpart_partitions(st + + nr_parts = plen / sizeof(part[0]); + +- *pparts = kzalloc(nr_parts * sizeof(*(*pparts)), GFP_KERNEL); +- if (!*pparts) ++ parts = kzalloc(nr_parts * sizeof(*parts), GFP_KERNEL); ++ if (!parts) + return -ENOMEM; + + names = of_get_property(dp, "partition-names", &plen); + + for (i = 0; i < nr_parts; i++) { +- (*pparts)[i].offset = be32_to_cpu(part->offset); +- (*pparts)[i].size = be32_to_cpu(part->len) & ~1; ++ parts[i].offset = be32_to_cpu(part->offset); ++ parts[i].size = be32_to_cpu(part->len) & ~1; + /* bit 0 set signifies read only partition */ + if (be32_to_cpu(part->len) & 1) +- (*pparts)[i].mask_flags = MTD_WRITEABLE; ++ parts[i].mask_flags = MTD_WRITEABLE; + + if (names && (plen > 0)) { + int len = strlen(names) + 1; + +- (*pparts)[i].name = names; ++ parts[i].name = names; + plen -= len; + names += len; + } else { +- (*pparts)[i].name = "unnamed"; ++ parts[i].name = "unnamed"; + } + + part++; + } + ++ *pparts = parts; + return nr_parts; + } + + static struct mtd_part_parser ofoldpart_parser = { +- .owner = THIS_MODULE, + .parse_fn = parse_ofoldpart_partitions, + .name = "ofoldpart", + }; +--- a/drivers/mtd/spi-nor/Kconfig ++++ b/drivers/mtd/spi-nor/Kconfig +@@ -7,6 +7,14 @@ menuconfig MTD_SPI_NOR + + if MTD_SPI_NOR + ++config MTD_MT81xx_NOR ++ tristate "Mediatek MT81xx SPI NOR flash controller" ++ depends on HAS_IOMEM ++ help ++ This enables access to SPI NOR flash, using MT81xx SPI NOR flash ++ controller. This controller does not support generic SPI BUS, it only ++ supports SPI NOR Flash. ++ + config MTD_SPI_NOR_USE_4K_SECTORS + bool "Use small 4096 B erase sectors" + default y +@@ -23,7 +31,7 @@ config MTD_SPI_NOR_USE_4K_SECTORS + + config SPI_FSL_QUADSPI + tristate "Freescale Quad SPI controller" +- depends on ARCH_MXC || COMPILE_TEST ++ depends on ARCH_MXC || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST + depends on HAS_IOMEM + help + This enables support for the Quad SPI controller in master mode. +--- a/drivers/mtd/spi-nor/Makefile ++++ b/drivers/mtd/spi-nor/Makefile +@@ -1,3 +1,4 @@ + obj-$(CONFIG_MTD_SPI_NOR) += spi-nor.o + obj-$(CONFIG_SPI_FSL_QUADSPI) += fsl-quadspi.o ++obj-$(CONFIG_MTD_MT81xx_NOR) += mtk-quadspi.o + obj-$(CONFIG_SPI_NXP_SPIFI) += nxp-spifi.o +--- /dev/null ++++ b/drivers/mtd/spi-nor/mtk-quadspi.c +@@ -0,0 +1,485 @@ ++/* ++ * Copyright (c) 2015 MediaTek Inc. ++ * Author: Bayi Cheng <bayi.cheng@mediatek.com> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ */ ++ ++#include <linux/clk.h> ++#include <linux/delay.h> ++#include <linux/device.h> ++#include <linux/init.h> ++#include <linux/io.h> ++#include <linux/iopoll.h> ++#include <linux/ioport.h> ++#include <linux/math64.h> ++#include <linux/module.h> ++#include <linux/mtd/mtd.h> ++#include <linux/mutex.h> ++#include <linux/of.h> ++#include <linux/of_device.h> ++#include <linux/pinctrl/consumer.h> ++#include <linux/platform_device.h> ++#include <linux/slab.h> ++#include <linux/mtd/mtd.h> ++#include <linux/mtd/partitions.h> ++#include <linux/mtd/spi-nor.h> ++ ++#define MTK_NOR_CMD_REG 0x00 ++#define MTK_NOR_CNT_REG 0x04 ++#define MTK_NOR_RDSR_REG 0x08 ++#define MTK_NOR_RDATA_REG 0x0c ++#define MTK_NOR_RADR0_REG 0x10 ++#define MTK_NOR_RADR1_REG 0x14 ++#define MTK_NOR_RADR2_REG 0x18 ++#define MTK_NOR_WDATA_REG 0x1c ++#define MTK_NOR_PRGDATA0_REG 0x20 ++#define MTK_NOR_PRGDATA1_REG 0x24 ++#define MTK_NOR_PRGDATA2_REG 0x28 ++#define MTK_NOR_PRGDATA3_REG 0x2c ++#define MTK_NOR_PRGDATA4_REG 0x30 ++#define MTK_NOR_PRGDATA5_REG 0x34 ++#define MTK_NOR_SHREG0_REG 0x38 ++#define MTK_NOR_SHREG1_REG 0x3c ++#define MTK_NOR_SHREG2_REG 0x40 ++#define MTK_NOR_SHREG3_REG 0x44 ++#define MTK_NOR_SHREG4_REG 0x48 ++#define MTK_NOR_SHREG5_REG 0x4c ++#define MTK_NOR_SHREG6_REG 0x50 ++#define MTK_NOR_SHREG7_REG 0x54 ++#define MTK_NOR_SHREG8_REG 0x58 ++#define MTK_NOR_SHREG9_REG 0x5c ++#define MTK_NOR_CFG1_REG 0x60 ++#define MTK_NOR_CFG2_REG 0x64 ++#define MTK_NOR_CFG3_REG 0x68 ++#define MTK_NOR_STATUS0_REG 0x70 ++#define MTK_NOR_STATUS1_REG 0x74 ++#define MTK_NOR_STATUS2_REG 0x78 ++#define MTK_NOR_STATUS3_REG 0x7c ++#define MTK_NOR_FLHCFG_REG 0x84 ++#define MTK_NOR_TIME_REG 0x94 ++#define MTK_NOR_PP_DATA_REG 0x98 ++#define MTK_NOR_PREBUF_STUS_REG 0x9c ++#define MTK_NOR_DELSEL0_REG 0xa0 ++#define MTK_NOR_DELSEL1_REG 0xa4 ++#define MTK_NOR_INTRSTUS_REG 0xa8 ++#define MTK_NOR_INTREN_REG 0xac ++#define MTK_NOR_CHKSUM_CTL_REG 0xb8 ++#define MTK_NOR_CHKSUM_REG 0xbc ++#define MTK_NOR_CMD2_REG 0xc0 ++#define MTK_NOR_WRPROT_REG 0xc4 ++#define MTK_NOR_RADR3_REG 0xc8 ++#define MTK_NOR_DUAL_REG 0xcc ++#define MTK_NOR_DELSEL2_REG 0xd0 ++#define MTK_NOR_DELSEL3_REG 0xd4 ++#define MTK_NOR_DELSEL4_REG 0xd8 ++ ++/* commands for mtk nor controller */ ++#define MTK_NOR_READ_CMD 0x0 ++#define MTK_NOR_RDSR_CMD 0x2 ++#define MTK_NOR_PRG_CMD 0x4 ++#define MTK_NOR_WR_CMD 0x10 ++#define MTK_NOR_PIO_WR_CMD 0x90 ++#define MTK_NOR_WRSR_CMD 0x20 ++#define MTK_NOR_PIO_READ_CMD 0x81 ++#define MTK_NOR_WR_BUF_ENABLE 0x1 ++#define MTK_NOR_WR_BUF_DISABLE 0x0 ++#define MTK_NOR_ENABLE_SF_CMD 0x30 ++#define MTK_NOR_DUAD_ADDR_EN 0x8 ++#define MTK_NOR_QUAD_READ_EN 0x4 ++#define MTK_NOR_DUAL_ADDR_EN 0x2 ++#define MTK_NOR_DUAL_READ_EN 0x1 ++#define MTK_NOR_DUAL_DISABLE 0x0 ++#define MTK_NOR_FAST_READ 0x1 ++ ++#define SFLASH_WRBUF_SIZE 128 ++ ++/* Can shift up to 48 bits (6 bytes) of TX/RX */ ++#define MTK_NOR_MAX_RX_TX_SHIFT 6 ++/* can shift up to 56 bits (7 bytes) transfer by MTK_NOR_PRG_CMD */ ++#define MTK_NOR_MAX_SHIFT 7 ++ ++/* Helpers for accessing the program data / shift data registers */ ++#define MTK_NOR_PRG_REG(n) (MTK_NOR_PRGDATA0_REG + 4 * (n)) ++#define MTK_NOR_SHREG(n) (MTK_NOR_SHREG0_REG + 4 * (n)) ++ ++struct mt8173_nor { ++ struct spi_nor nor; ++ struct device *dev; ++ void __iomem *base; /* nor flash base address */ ++ struct clk *spi_clk; ++ struct clk *nor_clk; ++}; ++ ++static void mt8173_nor_set_read_mode(struct mt8173_nor *mt8173_nor) ++{ ++ struct spi_nor *nor = &mt8173_nor->nor; ++ ++ switch (nor->flash_read) { ++ case SPI_NOR_FAST: ++ writeb(nor->read_opcode, mt8173_nor->base + ++ MTK_NOR_PRGDATA3_REG); ++ writeb(MTK_NOR_FAST_READ, mt8173_nor->base + ++ MTK_NOR_CFG1_REG); ++ break; ++ case SPI_NOR_DUAL: ++ writeb(nor->read_opcode, mt8173_nor->base + ++ MTK_NOR_PRGDATA3_REG); ++ writeb(MTK_NOR_DUAL_READ_EN, mt8173_nor->base + ++ MTK_NOR_DUAL_REG); ++ break; ++ case SPI_NOR_QUAD: ++ writeb(nor->read_opcode, mt8173_nor->base + ++ MTK_NOR_PRGDATA4_REG); ++ writeb(MTK_NOR_QUAD_READ_EN, mt8173_nor->base + ++ MTK_NOR_DUAL_REG); ++ break; ++ default: ++ writeb(MTK_NOR_DUAL_DISABLE, mt8173_nor->base + ++ MTK_NOR_DUAL_REG); ++ break; ++ } ++} ++ ++static int mt8173_nor_execute_cmd(struct mt8173_nor *mt8173_nor, u8 cmdval) ++{ ++ int reg; ++ u8 val = cmdval & 0x1f; ++ ++ writeb(cmdval, mt8173_nor->base + MTK_NOR_CMD_REG); ++ return readl_poll_timeout(mt8173_nor->base + MTK_NOR_CMD_REG, reg, ++ !(reg & val), 100, 10000); ++} ++ ++static int mt8173_nor_do_tx_rx(struct mt8173_nor *mt8173_nor, u8 op, ++ u8 *tx, int txlen, u8 *rx, int rxlen) ++{ ++ int len = 1 + txlen + rxlen; ++ int i, ret, idx; ++ ++ if (len > MTK_NOR_MAX_SHIFT) ++ return -EINVAL; ++ ++ writeb(len * 8, mt8173_nor->base + MTK_NOR_CNT_REG); ++ ++ /* start at PRGDATA5, go down to PRGDATA0 */ ++ idx = MTK_NOR_MAX_RX_TX_SHIFT - 1; ++ ++ /* opcode */ ++ writeb(op, mt8173_nor->base + MTK_NOR_PRG_REG(idx)); ++ idx--; ++ ++ /* program TX data */ ++ for (i = 0; i < txlen; i++, idx--) ++ writeb(tx[i], mt8173_nor->base + MTK_NOR_PRG_REG(idx)); ++ ++ /* clear out rest of TX registers */ ++ while (idx >= 0) { ++ writeb(0, mt8173_nor->base + MTK_NOR_PRG_REG(idx)); ++ idx--; ++ } ++ ++ ret = mt8173_nor_execute_cmd(mt8173_nor, MTK_NOR_PRG_CMD); ++ if (ret) ++ return ret; ++ ++ /* restart at first RX byte */ ++ idx = rxlen - 1; ++ ++ /* read out RX data */ ++ for (i = 0; i < rxlen; i++, idx--) ++ rx[i] = readb(mt8173_nor->base + MTK_NOR_SHREG(idx)); ++ ++ return 0; ++} ++ ++/* Do a WRSR (Write Status Register) command */ ++static int mt8173_nor_wr_sr(struct mt8173_nor *mt8173_nor, u8 sr) ++{ ++ writeb(sr, mt8173_nor->base + MTK_NOR_PRGDATA5_REG); ++ writeb(8, mt8173_nor->base + MTK_NOR_CNT_REG); ++ return mt8173_nor_execute_cmd(mt8173_nor, MTK_NOR_WRSR_CMD); ++} ++ ++static int mt8173_nor_write_buffer_enable(struct mt8173_nor *mt8173_nor) ++{ ++ u8 reg; ++ ++ /* the bit0 of MTK_NOR_CFG2_REG is pre-fetch buffer ++ * 0: pre-fetch buffer use for read ++ * 1: pre-fetch buffer use for page program ++ */ ++ writel(MTK_NOR_WR_BUF_ENABLE, mt8173_nor->base + MTK_NOR_CFG2_REG); ++ return readb_poll_timeout(mt8173_nor->base + MTK_NOR_CFG2_REG, reg, ++ 0x01 == (reg & 0x01), 100, 10000); ++} ++ ++static int mt8173_nor_write_buffer_disable(struct mt8173_nor *mt8173_nor) ++{ ++ u8 reg; ++ ++ writel(MTK_NOR_WR_BUF_DISABLE, mt8173_nor->base + MTK_NOR_CFG2_REG); ++ return readb_poll_timeout(mt8173_nor->base + MTK_NOR_CFG2_REG, reg, ++ MTK_NOR_WR_BUF_DISABLE == (reg & 0x1), 100, ++ 10000); ++} ++ ++static void mt8173_nor_set_addr(struct mt8173_nor *mt8173_nor, u32 addr) ++{ ++ int i; ++ ++ for (i = 0; i < 3; i++) { ++ writeb(addr & 0xff, mt8173_nor->base + MTK_NOR_RADR0_REG + i * 4); ++ addr >>= 8; ++ } ++ /* Last register is non-contiguous */ ++ writeb(addr & 0xff, mt8173_nor->base + MTK_NOR_RADR3_REG); ++} ++ ++static int mt8173_nor_read(struct spi_nor *nor, loff_t from, size_t length, ++ size_t *retlen, u_char *buffer) ++{ ++ int i, ret; ++ int addr = (int)from; ++ u8 *buf = (u8 *)buffer; ++ struct mt8173_nor *mt8173_nor = nor->priv; ++ ++ /* set mode for fast read mode ,dual mode or quad mode */ ++ mt8173_nor_set_read_mode(mt8173_nor); ++ mt8173_nor_set_addr(mt8173_nor, addr); ++ ++ for (i = 0; i < length; i++, (*retlen)++) { ++ ret = mt8173_nor_execute_cmd(mt8173_nor, MTK_NOR_PIO_READ_CMD); ++ if (ret < 0) ++ return ret; ++ buf[i] = readb(mt8173_nor->base + MTK_NOR_RDATA_REG); ++ } ++ return 0; ++} ++ ++static int mt8173_nor_write_single_byte(struct mt8173_nor *mt8173_nor, ++ int addr, int length, u8 *data) ++{ ++ int i, ret; ++ ++ mt8173_nor_set_addr(mt8173_nor, addr); ++ ++ for (i = 0; i < length; i++) { ++ writeb(*data++, mt8173_nor->base + MTK_NOR_WDATA_REG); ++ ret = mt8173_nor_execute_cmd(mt8173_nor, MTK_NOR_PIO_WR_CMD); ++ if (ret < 0) ++ return ret; ++ } ++ return 0; ++} ++ ++static int mt8173_nor_write_buffer(struct mt8173_nor *mt8173_nor, int addr, ++ const u8 *buf) ++{ ++ int i, bufidx, data; ++ ++ mt8173_nor_set_addr(mt8173_nor, addr); ++ ++ bufidx = 0; ++ for (i = 0; i < SFLASH_WRBUF_SIZE; i += 4) { ++ data = buf[bufidx + 3]<<24 | buf[bufidx + 2]<<16 | ++ buf[bufidx + 1]<<8 | buf[bufidx]; ++ bufidx += 4; ++ writel(data, mt8173_nor->base + MTK_NOR_PP_DATA_REG); ++ } ++ return mt8173_nor_execute_cmd(mt8173_nor, MTK_NOR_WR_CMD); ++} ++ ++static void mt8173_nor_write(struct spi_nor *nor, loff_t to, size_t len, ++ size_t *retlen, const u_char *buf) ++{ ++ int ret; ++ struct mt8173_nor *mt8173_nor = nor->priv; ++ ++ ret = mt8173_nor_write_buffer_enable(mt8173_nor); ++ if (ret < 0) ++ dev_warn(mt8173_nor->dev, "write buffer enable failed!\n"); ++ ++ while (len >= SFLASH_WRBUF_SIZE) { ++ ret = mt8173_nor_write_buffer(mt8173_nor, to, buf); ++ if (ret < 0) ++ dev_err(mt8173_nor->dev, "write buffer failed!\n"); ++ len -= SFLASH_WRBUF_SIZE; ++ to += SFLASH_WRBUF_SIZE; ++ buf += SFLASH_WRBUF_SIZE; ++ (*retlen) += SFLASH_WRBUF_SIZE; ++ } ++ ret = mt8173_nor_write_buffer_disable(mt8173_nor); ++ if (ret < 0) ++ dev_warn(mt8173_nor->dev, "write buffer disable failed!\n"); ++ ++ if (len) { ++ ret = mt8173_nor_write_single_byte(mt8173_nor, to, (int)len, ++ (u8 *)buf); ++ if (ret < 0) ++ dev_err(mt8173_nor->dev, "write single byte failed!\n"); ++ (*retlen) += len; ++ } ++} ++ ++static int mt8173_nor_read_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len) ++{ ++ int ret; ++ struct mt8173_nor *mt8173_nor = nor->priv; ++ ++ switch (opcode) { ++ case SPINOR_OP_RDSR: ++ ret = mt8173_nor_execute_cmd(mt8173_nor, MTK_NOR_RDSR_CMD); ++ if (ret < 0) ++ return ret; ++ if (len == 1) ++ *buf = readb(mt8173_nor->base + MTK_NOR_RDSR_REG); ++ else ++ dev_err(mt8173_nor->dev, "len should be 1 for read status!\n"); ++ break; ++ default: ++ ret = mt8173_nor_do_tx_rx(mt8173_nor, opcode, NULL, 0, buf, len); ++ break; ++ } ++ return ret; ++} ++ ++static int mt8173_nor_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, ++ int len) ++{ ++ int ret; ++ struct mt8173_nor *mt8173_nor = nor->priv; ++ ++ switch (opcode) { ++ case SPINOR_OP_WRSR: ++ /* We only handle 1 byte */ ++ ret = mt8173_nor_wr_sr(mt8173_nor, *buf); ++ break; ++ default: ++ ret = mt8173_nor_do_tx_rx(mt8173_nor, opcode, buf, len, NULL, 0); ++ if (ret) ++ dev_warn(mt8173_nor->dev, "write reg failure!\n"); ++ break; ++ } ++ return ret; ++} ++ ++static int mtk_nor_init(struct mt8173_nor *mt8173_nor, ++ struct device_node *flash_node) ++{ ++ int ret; ++ struct spi_nor *nor; ++ ++ /* initialize controller to accept commands */ ++ writel(MTK_NOR_ENABLE_SF_CMD, mt8173_nor->base + MTK_NOR_WRPROT_REG); ++ ++ nor = &mt8173_nor->nor; ++ nor->dev = mt8173_nor->dev; ++ nor->priv = mt8173_nor; ++ spi_nor_set_flash_node(nor, flash_node); ++ ++ /* fill the hooks to spi nor */ ++ nor->read = mt8173_nor_read; ++ nor->read_reg = mt8173_nor_read_reg; ++ nor->write = mt8173_nor_write; ++ nor->write_reg = mt8173_nor_write_reg; ++ nor->mtd.name = "mtk_nor"; ++ /* initialized with NULL */ ++ ret = spi_nor_scan(nor, NULL, SPI_NOR_DUAL); ++ if (ret) ++ return ret; ++ ++ return mtd_device_register(&nor->mtd, NULL, 0); ++} ++ ++static int mtk_nor_drv_probe(struct platform_device *pdev) ++{ ++ struct device_node *flash_np; ++ struct resource *res; ++ int ret; ++ struct mt8173_nor *mt8173_nor; ++ ++ if (!pdev->dev.of_node) { ++ dev_err(&pdev->dev, "No DT found\n"); ++ return -EINVAL; ++ } ++ ++ mt8173_nor = devm_kzalloc(&pdev->dev, sizeof(*mt8173_nor), GFP_KERNEL); ++ if (!mt8173_nor) ++ return -ENOMEM; ++ platform_set_drvdata(pdev, mt8173_nor); ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ mt8173_nor->base = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(mt8173_nor->base)) ++ return PTR_ERR(mt8173_nor->base); ++ ++ mt8173_nor->spi_clk = devm_clk_get(&pdev->dev, "spi"); ++ if (IS_ERR(mt8173_nor->spi_clk)) ++ return PTR_ERR(mt8173_nor->spi_clk); ++ ++ mt8173_nor->nor_clk = devm_clk_get(&pdev->dev, "sf"); ++ if (IS_ERR(mt8173_nor->nor_clk)) ++ return PTR_ERR(mt8173_nor->nor_clk); ++ ++ mt8173_nor->dev = &pdev->dev; ++ ret = clk_prepare_enable(mt8173_nor->spi_clk); ++ if (ret) ++ return ret; ++ ++ ret = clk_prepare_enable(mt8173_nor->nor_clk); ++ if (ret) { ++ clk_disable_unprepare(mt8173_nor->spi_clk); ++ return ret; ++ } ++ /* only support one attached flash */ ++ flash_np = of_get_next_available_child(pdev->dev.of_node, NULL); ++ if (!flash_np) { ++ dev_err(&pdev->dev, "no SPI flash device to configure\n"); ++ ret = -ENODEV; ++ goto nor_free; ++ } ++ ret = mtk_nor_init(mt8173_nor, flash_np); ++ ++nor_free: ++ if (ret) { ++ clk_disable_unprepare(mt8173_nor->spi_clk); ++ clk_disable_unprepare(mt8173_nor->nor_clk); ++ } ++ return ret; ++} ++ ++static int mtk_nor_drv_remove(struct platform_device *pdev) ++{ ++ struct mt8173_nor *mt8173_nor = platform_get_drvdata(pdev); ++ ++ clk_disable_unprepare(mt8173_nor->spi_clk); ++ clk_disable_unprepare(mt8173_nor->nor_clk); ++ return 0; ++} ++ ++static const struct of_device_id mtk_nor_of_ids[] = { ++ { .compatible = "mediatek,mt8173-nor"}, ++ { /* sentinel */ } ++}; ++MODULE_DEVICE_TABLE(of, mtk_nor_of_ids); ++ ++static struct platform_driver mtk_nor_driver = { ++ .probe = mtk_nor_drv_probe, ++ .remove = mtk_nor_drv_remove, ++ .driver = { ++ .name = "mtk-nor", ++ .of_match_table = mtk_nor_of_ids, ++ }, ++}; ++ ++module_platform_driver(mtk_nor_driver); ++MODULE_LICENSE("GPL v2"); ++MODULE_DESCRIPTION("MediaTek SPI NOR Flash Driver"); +--- a/drivers/mtd/spi-nor/spi-nor.c ++++ b/drivers/mtd/spi-nor/spi-nor.c +@@ -38,6 +38,7 @@ + #define CHIP_ERASE_2MB_READY_WAIT_JIFFIES (40UL * HZ) + + #define SPI_NOR_MAX_ID_LEN 6 ++#define SPI_NOR_MAX_ADDR_WIDTH 4 + + struct flash_info { + char *name; +@@ -60,14 +61,20 @@ struct flash_info { + u16 addr_width; + + u16 flags; +-#define SECT_4K 0x01 /* SPINOR_OP_BE_4K works uniformly */ +-#define SPI_NOR_NO_ERASE 0x02 /* No erase command needed */ +-#define SST_WRITE 0x04 /* use SST byte programming */ +-#define SPI_NOR_NO_FR 0x08 /* Can't do fastread */ +-#define SECT_4K_PMC 0x10 /* SPINOR_OP_BE_4K_PMC works uniformly */ +-#define SPI_NOR_DUAL_READ 0x20 /* Flash supports Dual Read */ +-#define SPI_NOR_QUAD_READ 0x40 /* Flash supports Quad Read */ +-#define USE_FSR 0x80 /* use flag status register */ ++#define SECT_4K BIT(0) /* SPINOR_OP_BE_4K works uniformly */ ++#define SPI_NOR_NO_ERASE BIT(1) /* No erase command needed */ ++#define SST_WRITE BIT(2) /* use SST byte programming */ ++#define SPI_NOR_NO_FR BIT(3) /* Can't do fastread */ ++#define SECT_4K_PMC BIT(4) /* SPINOR_OP_BE_4K_PMC works uniformly */ ++#define SPI_NOR_DUAL_READ BIT(5) /* Flash supports Dual Read */ ++#define SPI_NOR_QUAD_READ BIT(6) /* Flash supports Quad Read */ ++#define USE_FSR BIT(7) /* use flag status register */ ++#define SPI_NOR_HAS_LOCK BIT(8) /* Flash supports lock/unlock via SR */ ++#define SPI_NOR_HAS_TB BIT(9) /* ++ * Flash SR has Top/Bottom (TB) protect ++ * bit. Must be used with ++ * SPI_NOR_HAS_LOCK. ++ */ + }; + + #define JEDEC_MFR(info) ((info)->id[0]) +@@ -313,6 +320,29 @@ static void spi_nor_unlock_and_unprep(st + } + + /* ++ * Initiate the erasure of a single sector ++ */ ++static int spi_nor_erase_sector(struct spi_nor *nor, u32 addr) ++{ ++ u8 buf[SPI_NOR_MAX_ADDR_WIDTH]; ++ int i; ++ ++ if (nor->erase) ++ return nor->erase(nor, addr); ++ ++ /* ++ * Default implementation, if driver doesn't have a specialized HW ++ * control ++ */ ++ for (i = nor->addr_width - 1; i >= 0; i--) { ++ buf[i] = addr & 0xff; ++ addr >>= 8; ++ } ++ ++ return nor->write_reg(nor, nor->erase_opcode, buf, nor->addr_width); ++} ++ ++/* + * Erase an address range on the nor chip. The address range may extend + * one or more erase sectors. Return an error is there is a problem erasing. + */ +@@ -371,10 +401,9 @@ static int spi_nor_erase(struct mtd_info + while (len) { + write_enable(nor); + +- if (nor->erase(nor, addr)) { +- ret = -EIO; ++ ret = spi_nor_erase_sector(nor, addr); ++ if (ret) + goto erase_err; +- } + + addr += mtd->erasesize; + len -= mtd->erasesize; +@@ -387,17 +416,13 @@ static int spi_nor_erase(struct mtd_info + + write_disable(nor); + ++erase_err: + spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_ERASE); + +- instr->state = MTD_ERASE_DONE; ++ instr->state = ret ? MTD_ERASE_FAILED : MTD_ERASE_DONE; + mtd_erase_callback(instr); + + return ret; +- +-erase_err: +- spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_ERASE); +- instr->state = MTD_ERASE_FAILED; +- return ret; + } + + static void stm_get_locked_range(struct spi_nor *nor, u8 sr, loff_t *ofs, +@@ -415,32 +440,58 @@ static void stm_get_locked_range(struct + } else { + pow = ((sr & mask) ^ mask) >> shift; + *len = mtd->size >> pow; +- *ofs = mtd->size - *len; ++ if (nor->flags & SNOR_F_HAS_SR_TB && sr & SR_TB) ++ *ofs = 0; ++ else ++ *ofs = mtd->size - *len; + } + } + + /* +- * Return 1 if the entire region is locked, 0 otherwise ++ * Return 1 if the entire region is locked (if @locked is true) or unlocked (if ++ * @locked is false); 0 otherwise + */ +-static int stm_is_locked_sr(struct spi_nor *nor, loff_t ofs, uint64_t len, +- u8 sr) ++static int stm_check_lock_status_sr(struct spi_nor *nor, loff_t ofs, uint64_t len, ++ u8 sr, bool locked) + { + loff_t lock_offs; + uint64_t lock_len; + ++ if (!len) ++ return 1; ++ + stm_get_locked_range(nor, sr, &lock_offs, &lock_len); + +- return (ofs + len <= lock_offs + lock_len) && (ofs >= lock_offs); ++ if (locked) ++ /* Requested range is a sub-range of locked range */ ++ return (ofs + len <= lock_offs + lock_len) && (ofs >= lock_offs); ++ else ++ /* Requested range does not overlap with locked range */ ++ return (ofs >= lock_offs + lock_len) || (ofs + len <= lock_offs); ++} ++ ++static int stm_is_locked_sr(struct spi_nor *nor, loff_t ofs, uint64_t len, ++ u8 sr) ++{ ++ return stm_check_lock_status_sr(nor, ofs, len, sr, true); ++} ++ ++static int stm_is_unlocked_sr(struct spi_nor *nor, loff_t ofs, uint64_t len, ++ u8 sr) ++{ ++ return stm_check_lock_status_sr(nor, ofs, len, sr, false); + } + + /* + * Lock a region of the flash. Compatible with ST Micro and similar flash. +- * Supports only the block protection bits BP{0,1,2} in the status register ++ * Supports the block protection bits BP{0,1,2} in the status register + * (SR). Does not support these features found in newer SR bitfields: +- * - TB: top/bottom protect - only handle TB=0 (top protect) + * - SEC: sector/block protect - only handle SEC=0 (block protect) + * - CMP: complement protect - only support CMP=0 (range is not complemented) + * ++ * Support for the following is provided conditionally for some flash: ++ * - TB: top/bottom protect ++ * + * Sample table portion for 8MB flash (Winbond w25q64fw): + * + * SEC | TB | BP2 | BP1 | BP0 | Prot Length | Protected Portion +@@ -453,26 +504,55 @@ static int stm_is_locked_sr(struct spi_n + * 0 | 0 | 1 | 0 | 1 | 2 MB | Upper 1/4 + * 0 | 0 | 1 | 1 | 0 | 4 MB | Upper 1/2 + * X | X | 1 | 1 | 1 | 8 MB | ALL ++ * ------|-------|-------|-------|-------|---------------|------------------- ++ * 0 | 1 | 0 | 0 | 1 | 128 KB | Lower 1/64 ++ * 0 | 1 | 0 | 1 | 0 | 256 KB | Lower 1/32 ++ * 0 | 1 | 0 | 1 | 1 | 512 KB | Lower 1/16 ++ * 0 | 1 | 1 | 0 | 0 | 1 MB | Lower 1/8 ++ * 0 | 1 | 1 | 0 | 1 | 2 MB | Lower 1/4 ++ * 0 | 1 | 1 | 1 | 0 | 4 MB | Lower 1/2 + * + * Returns negative on errors, 0 on success. + */ + static int stm_lock(struct spi_nor *nor, loff_t ofs, uint64_t len) + { + struct mtd_info *mtd = &nor->mtd; +- u8 status_old, status_new; ++ int status_old, status_new; + u8 mask = SR_BP2 | SR_BP1 | SR_BP0; + u8 shift = ffs(mask) - 1, pow, val; ++ loff_t lock_len; ++ bool can_be_top = true, can_be_bottom = nor->flags & SNOR_F_HAS_SR_TB; ++ bool use_top; ++ int ret; + + status_old = read_sr(nor); ++ if (status_old < 0) ++ return status_old; + +- /* SPI NOR always locks to the end */ +- if (ofs + len != mtd->size) { +- /* Does combined region extend to end? */ +- if (!stm_is_locked_sr(nor, ofs + len, mtd->size - ofs - len, +- status_old)) +- return -EINVAL; +- len = mtd->size - ofs; +- } ++ /* If nothing in our range is unlocked, we don't need to do anything */ ++ if (stm_is_locked_sr(nor, ofs, len, status_old)) ++ return 0; ++ ++ /* If anything below us is unlocked, we can't use 'bottom' protection */ ++ if (!stm_is_locked_sr(nor, 0, ofs, status_old)) ++ can_be_bottom = false; ++ ++ /* If anything above us is unlocked, we can't use 'top' protection */ ++ if (!stm_is_locked_sr(nor, ofs + len, mtd->size - (ofs + len), ++ status_old)) ++ can_be_top = false; ++ ++ if (!can_be_bottom && !can_be_top) ++ return -EINVAL; ++ ++ /* Prefer top, if both are valid */ ++ use_top = can_be_top; ++ ++ /* lock_len: length of region that should end up locked */ ++ if (use_top) ++ lock_len = mtd->size - ofs; ++ else ++ lock_len = ofs + len; + + /* + * Need smallest pow such that: +@@ -483,7 +563,7 @@ static int stm_lock(struct spi_nor *nor, + * + * pow = ceil(log2(size / len)) = log2(size) - floor(log2(len)) + */ +- pow = ilog2(mtd->size) - ilog2(len); ++ pow = ilog2(mtd->size) - ilog2(lock_len); + val = mask - (pow << shift); + if (val & ~mask) + return -EINVAL; +@@ -491,14 +571,27 @@ static int stm_lock(struct spi_nor *nor, + if (!(val & mask)) + return -EINVAL; + +- status_new = (status_old & ~mask) | val; ++ status_new = (status_old & ~mask & ~SR_TB) | val; ++ ++ /* Disallow further writes if WP pin is asserted */ ++ status_new |= SR_SRWD; ++ ++ if (!use_top) ++ status_new |= SR_TB; ++ ++ /* Don't bother if they're the same */ ++ if (status_new == status_old) ++ return 0; + + /* Only modify protection if it will not unlock other areas */ +- if ((status_new & mask) <= (status_old & mask)) ++ if ((status_new & mask) < (status_old & mask)) + return -EINVAL; + + write_enable(nor); +- return write_sr(nor, status_new); ++ ret = write_sr(nor, status_new); ++ if (ret) ++ return ret; ++ return spi_nor_wait_till_ready(nor); + } + + /* +@@ -509,17 +602,43 @@ static int stm_lock(struct spi_nor *nor, + static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len) + { + struct mtd_info *mtd = &nor->mtd; +- uint8_t status_old, status_new; ++ int status_old, status_new; + u8 mask = SR_BP2 | SR_BP1 | SR_BP0; + u8 shift = ffs(mask) - 1, pow, val; ++ loff_t lock_len; ++ bool can_be_top = true, can_be_bottom = nor->flags & SNOR_F_HAS_SR_TB; ++ bool use_top; ++ int ret; + + status_old = read_sr(nor); ++ if (status_old < 0) ++ return status_old; ++ ++ /* If nothing in our range is locked, we don't need to do anything */ ++ if (stm_is_unlocked_sr(nor, ofs, len, status_old)) ++ return 0; ++ ++ /* If anything below us is locked, we can't use 'top' protection */ ++ if (!stm_is_unlocked_sr(nor, 0, ofs, status_old)) ++ can_be_top = false; ++ ++ /* If anything above us is locked, we can't use 'bottom' protection */ ++ if (!stm_is_unlocked_sr(nor, ofs + len, mtd->size - (ofs + len), ++ status_old)) ++ can_be_bottom = false; + +- /* Cannot unlock; would unlock larger region than requested */ +- if (stm_is_locked_sr(nor, ofs - mtd->erasesize, mtd->erasesize, +- status_old)) ++ if (!can_be_bottom && !can_be_top) + return -EINVAL; + ++ /* Prefer top, if both are valid */ ++ use_top = can_be_top; ++ ++ /* lock_len: length of region that should remain locked */ ++ if (use_top) ++ lock_len = mtd->size - (ofs + len); ++ else ++ lock_len = ofs; ++ + /* + * Need largest pow such that: + * +@@ -529,8 +648,8 @@ static int stm_unlock(struct spi_nor *no + * + * pow = floor(log2(size / len)) = log2(size) - ceil(log2(len)) + */ +- pow = ilog2(mtd->size) - order_base_2(mtd->size - (ofs + len)); +- if (ofs + len == mtd->size) { ++ pow = ilog2(mtd->size) - order_base_2(lock_len); ++ if (lock_len == 0) { + val = 0; /* fully unlocked */ + } else { + val = mask - (pow << shift); +@@ -539,14 +658,28 @@ static int stm_unlock(struct spi_nor *no + return -EINVAL; + } + +- status_new = (status_old & ~mask) | val; ++ status_new = (status_old & ~mask & ~SR_TB) | val; ++ ++ /* Don't protect status register if we're fully unlocked */ ++ if (lock_len == mtd->size) ++ status_new &= ~SR_SRWD; ++ ++ if (!use_top) ++ status_new |= SR_TB; ++ ++ /* Don't bother if they're the same */ ++ if (status_new == status_old) ++ return 0; + + /* Only modify protection if it will not lock other areas */ +- if ((status_new & mask) >= (status_old & mask)) ++ if ((status_new & mask) > (status_old & mask)) + return -EINVAL; + + write_enable(nor); +- return write_sr(nor, status_new); ++ ret = write_sr(nor, status_new); ++ if (ret) ++ return ret; ++ return spi_nor_wait_till_ready(nor); + } + + /* +@@ -715,9 +848,9 @@ static const struct flash_info spi_nor_i + { "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8, SECT_4K) }, + { "mx25l8005", INFO(0xc22014, 0, 64 * 1024, 16, 0) }, + { "mx25l1606e", INFO(0xc22015, 0, 64 * 1024, 32, SECT_4K) }, +- { "mx25l3205d", INFO(0xc22016, 0, 64 * 1024, 64, 0) }, ++ { "mx25l3205d", INFO(0xc22016, 0, 64 * 1024, 64, SECT_4K) }, + { "mx25l3255e", INFO(0xc29e16, 0, 64 * 1024, 64, SECT_4K) }, +- { "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128, 0) }, ++ { "mx25l6405d", INFO(0xc22017, 0, 64 * 1024, 128, SECT_4K) }, + { "mx25u6435f", INFO(0xc22537, 0, 64 * 1024, 128, SECT_4K) }, + { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256, 0) }, + { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256, 0) }, +@@ -732,8 +865,8 @@ static const struct flash_info spi_nor_i + { "n25q032a", INFO(0x20bb16, 0, 64 * 1024, 64, SPI_NOR_QUAD_READ) }, + { "n25q064", INFO(0x20ba17, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_QUAD_READ) }, + { "n25q064a", INFO(0x20bb17, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_QUAD_READ) }, +- { "n25q128a11", INFO(0x20bb18, 0, 64 * 1024, 256, SPI_NOR_QUAD_READ) }, +- { "n25q128a13", INFO(0x20ba18, 0, 64 * 1024, 256, SPI_NOR_QUAD_READ) }, ++ { "n25q128a11", INFO(0x20bb18, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_QUAD_READ) }, ++ { "n25q128a13", INFO(0x20ba18, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_QUAD_READ) }, + { "n25q256a", INFO(0x20ba19, 0, 64 * 1024, 512, SECT_4K | SPI_NOR_QUAD_READ) }, + { "n25q512a", INFO(0x20bb20, 0, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) }, + { "n25q512ax3", INFO(0x20ba20, 0, 64 * 1024, 1024, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ) }, +@@ -767,6 +900,7 @@ static const struct flash_info spi_nor_i + { "s25fl008k", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, + { "s25fl016k", INFO(0xef4015, 0, 64 * 1024, 32, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, + { "s25fl064k", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) }, ++ { "s25fl116k", INFO(0x014015, 0, 64 * 1024, 32, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, + { "s25fl132k", INFO(0x014016, 0, 64 * 1024, 64, SECT_4K) }, + { "s25fl164k", INFO(0x014017, 0, 64 * 1024, 128, SECT_4K) }, + { "s25fl204k", INFO(0x014013, 0, 64 * 1024, 8, SECT_4K | SPI_NOR_DUAL_READ) }, +@@ -830,11 +964,23 @@ static const struct flash_info spi_nor_i + { "w25x16", INFO(0xef3015, 0, 64 * 1024, 32, SECT_4K) }, + { "w25x32", INFO(0xef3016, 0, 64 * 1024, 64, SECT_4K) }, + { "w25q32", INFO(0xef4016, 0, 64 * 1024, 64, SECT_4K) }, +- { "w25q32dw", INFO(0xef6016, 0, 64 * 1024, 64, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, ++ { ++ "w25q32dw", INFO(0xef6016, 0, 64 * 1024, 64, ++ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | ++ SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) ++ }, + { "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) }, + { "w25q64", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) }, +- { "w25q64dw", INFO(0xef6017, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, +- { "w25q128fw", INFO(0xef6018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, ++ { ++ "w25q64dw", INFO(0xef6017, 0, 64 * 1024, 128, ++ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | ++ SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) ++ }, ++ { ++ "w25q128fw", INFO(0xef6018, 0, 64 * 1024, 256, ++ SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | ++ SPI_NOR_HAS_LOCK | SPI_NOR_HAS_TB) ++ }, + { "w25q80", INFO(0xef5014, 0, 64 * 1024, 16, SECT_4K) }, + { "w25q80bl", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K) }, + { "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) }, +@@ -857,7 +1003,7 @@ static const struct flash_info *spi_nor_ + + tmp = nor->read_reg(nor, SPINOR_OP_RDID, id, SPI_NOR_MAX_ID_LEN); + if (tmp < 0) { +- dev_dbg(nor->dev, " error %d reading JEDEC ID\n", tmp); ++ dev_dbg(nor->dev, "error %d reading JEDEC ID\n", tmp); + return ERR_PTR(tmp); + } + +@@ -868,7 +1014,7 @@ static const struct flash_info *spi_nor_ + return &spi_nor_ids[tmp]; + } + } +- dev_err(nor->dev, "unrecognized JEDEC id bytes: %02x, %2x, %2x\n", ++ dev_err(nor->dev, "unrecognized JEDEC id bytes: %02x, %02x, %02x\n", + id[0], id[1], id[2]); + return ERR_PTR(-ENODEV); + } +@@ -1014,6 +1160,8 @@ static int macronix_quad_enable(struct s + int ret, val; + + val = read_sr(nor); ++ if (val < 0) ++ return val; + write_enable(nor); + + write_sr(nor, val | SR_QUAD_EN_MX); +@@ -1095,7 +1243,7 @@ static int set_quad_mode(struct spi_nor + static int spi_nor_check(struct spi_nor *nor) + { + if (!nor->dev || !nor->read || !nor->write || +- !nor->read_reg || !nor->write_reg || !nor->erase) { ++ !nor->read_reg || !nor->write_reg) { + pr_err("spi-nor: please fill all the necessary fields!\n"); + return -EINVAL; + } +@@ -1108,7 +1256,7 @@ int spi_nor_scan(struct spi_nor *nor, co + const struct flash_info *info = NULL; + struct device *dev = nor->dev; + struct mtd_info *mtd = &nor->mtd; +- struct device_node *np = nor->flash_node; ++ struct device_node *np = spi_nor_get_flash_node(nor); + int ret; + int i; + +@@ -1158,9 +1306,11 @@ int spi_nor_scan(struct spi_nor *nor, co + if (JEDEC_MFR(info) == SNOR_MFR_ATMEL || + JEDEC_MFR(info) == SNOR_MFR_INTEL || + JEDEC_MFR(info) == SNOR_MFR_MACRONIX || +- JEDEC_MFR(info) == SNOR_MFR_SST) { ++ JEDEC_MFR(info) == SNOR_MFR_SST || ++ info->flags & SPI_NOR_HAS_LOCK) { + write_enable(nor); + write_sr(nor, 0); ++ spi_nor_wait_till_ready(nor); + } + + if (!mtd->name) +@@ -1174,7 +1324,8 @@ int spi_nor_scan(struct spi_nor *nor, co + mtd->_read = spi_nor_read; + + /* NOR protection support for STmicro/Micron chips and similar */ +- if (JEDEC_MFR(info) == SNOR_MFR_MICRON) { ++ if (JEDEC_MFR(info) == SNOR_MFR_MICRON || ++ info->flags & SPI_NOR_HAS_LOCK) { + nor->flash_lock = stm_lock; + nor->flash_unlock = stm_unlock; + nor->flash_is_locked = stm_is_locked; +@@ -1194,6 +1345,8 @@ int spi_nor_scan(struct spi_nor *nor, co + + if (info->flags & USE_FSR) + nor->flags |= SNOR_F_USE_FSR; ++ if (info->flags & SPI_NOR_HAS_TB) ++ nor->flags |= SNOR_F_HAS_SR_TB; + + #ifdef CONFIG_MTD_SPI_NOR_USE_4K_SECTORS + /* prefer "small sector" erase if possible */ +@@ -1296,6 +1449,12 @@ int spi_nor_scan(struct spi_nor *nor, co + nor->addr_width = 3; + } + ++ if (nor->addr_width > SPI_NOR_MAX_ADDR_WIDTH) { ++ dev_err(dev, "address width is too large: %u\n", ++ nor->addr_width); ++ return -EINVAL; ++ } ++ + nor->read_dummy = spi_nor_read_dummy_cycles(nor); + + dev_info(dev, "%s (%lld Kbytes)\n", info->name, +--- a/drivers/mtd/tests/mtd_nandecctest.c ++++ b/drivers/mtd/tests/mtd_nandecctest.c +@@ -187,7 +187,7 @@ static int double_bit_error_detect(void + __nand_calculate_ecc(error_data, size, calc_ecc); + ret = __nand_correct_data(error_data, error_ecc, calc_ecc, size); + +- return (ret == -1) ? 0 : -EINVAL; ++ return (ret == -EBADMSG) ? 0 : -EINVAL; + } + + static const struct nand_ecc_test nand_ecc_test[] = { +--- a/drivers/mtd/tests/oobtest.c ++++ b/drivers/mtd/tests/oobtest.c +@@ -215,19 +215,19 @@ static int verify_eraseblock(int ebnum) + pr_info("ignoring error as within bitflip_limit\n"); + } + +- if (use_offset != 0 || use_len < mtd->ecclayout->oobavail) { ++ if (use_offset != 0 || use_len < mtd->oobavail) { + int k; + + ops.mode = MTD_OPS_AUTO_OOB; + ops.len = 0; + ops.retlen = 0; +- ops.ooblen = mtd->ecclayout->oobavail; ++ ops.ooblen = mtd->oobavail; + ops.oobretlen = 0; + ops.ooboffs = 0; + ops.datbuf = NULL; + ops.oobbuf = readbuf; + err = mtd_read_oob(mtd, addr, &ops); +- if (err || ops.oobretlen != mtd->ecclayout->oobavail) { ++ if (err || ops.oobretlen != mtd->oobavail) { + pr_err("error: readoob failed at %#llx\n", + (long long)addr); + errcnt += 1; +@@ -244,7 +244,7 @@ static int verify_eraseblock(int ebnum) + /* verify post-(use_offset + use_len) area for 0xff */ + k = use_offset + use_len; + bitflips += memffshow(addr, k, readbuf + k, +- mtd->ecclayout->oobavail - k); ++ mtd->oobavail - k); + + if (bitflips > bitflip_limit) { + pr_err("error: verify failed at %#llx\n", +@@ -269,8 +269,8 @@ static int verify_eraseblock_in_one_go(i + struct mtd_oob_ops ops; + int err = 0; + loff_t addr = (loff_t)ebnum * mtd->erasesize; +- size_t len = mtd->ecclayout->oobavail * pgcnt; +- size_t oobavail = mtd->ecclayout->oobavail; ++ size_t len = mtd->oobavail * pgcnt; ++ size_t oobavail = mtd->oobavail; + size_t bitflips; + int i; + +@@ -394,8 +394,8 @@ static int __init mtd_oobtest_init(void) + goto out; + + use_offset = 0; +- use_len = mtd->ecclayout->oobavail; +- use_len_max = mtd->ecclayout->oobavail; ++ use_len = mtd->oobavail; ++ use_len_max = mtd->oobavail; + vary_offset = 0; + + /* First test: write all OOB, read it back and verify */ +@@ -460,8 +460,8 @@ static int __init mtd_oobtest_init(void) + + /* Write all eraseblocks */ + use_offset = 0; +- use_len = mtd->ecclayout->oobavail; +- use_len_max = mtd->ecclayout->oobavail; ++ use_len = mtd->oobavail; ++ use_len_max = mtd->oobavail; + vary_offset = 1; + prandom_seed_state(&rnd_state, 5); + +@@ -471,8 +471,8 @@ static int __init mtd_oobtest_init(void) + + /* Check all eraseblocks */ + use_offset = 0; +- use_len = mtd->ecclayout->oobavail; +- use_len_max = mtd->ecclayout->oobavail; ++ use_len = mtd->oobavail; ++ use_len_max = mtd->oobavail; + vary_offset = 1; + prandom_seed_state(&rnd_state, 5); + err = verify_all_eraseblocks(); +@@ -480,8 +480,8 @@ static int __init mtd_oobtest_init(void) + goto out; + + use_offset = 0; +- use_len = mtd->ecclayout->oobavail; +- use_len_max = mtd->ecclayout->oobavail; ++ use_len = mtd->oobavail; ++ use_len_max = mtd->oobavail; + vary_offset = 0; + + /* Fourth test: try to write off end of device */ +@@ -501,7 +501,7 @@ static int __init mtd_oobtest_init(void) + ops.retlen = 0; + ops.ooblen = 1; + ops.oobretlen = 0; +- ops.ooboffs = mtd->ecclayout->oobavail; ++ ops.ooboffs = mtd->oobavail; + ops.datbuf = NULL; + ops.oobbuf = writebuf; + pr_info("attempting to start write past end of OOB\n"); +@@ -521,7 +521,7 @@ static int __init mtd_oobtest_init(void) + ops.retlen = 0; + ops.ooblen = 1; + ops.oobretlen = 0; +- ops.ooboffs = mtd->ecclayout->oobavail; ++ ops.ooboffs = mtd->oobavail; + ops.datbuf = NULL; + ops.oobbuf = readbuf; + pr_info("attempting to start read past end of OOB\n"); +@@ -543,7 +543,7 @@ static int __init mtd_oobtest_init(void) + ops.mode = MTD_OPS_AUTO_OOB; + ops.len = 0; + ops.retlen = 0; +- ops.ooblen = mtd->ecclayout->oobavail + 1; ++ ops.ooblen = mtd->oobavail + 1; + ops.oobretlen = 0; + ops.ooboffs = 0; + ops.datbuf = NULL; +@@ -563,7 +563,7 @@ static int __init mtd_oobtest_init(void) + ops.mode = MTD_OPS_AUTO_OOB; + ops.len = 0; + ops.retlen = 0; +- ops.ooblen = mtd->ecclayout->oobavail + 1; ++ ops.ooblen = mtd->oobavail + 1; + ops.oobretlen = 0; + ops.ooboffs = 0; + ops.datbuf = NULL; +@@ -587,7 +587,7 @@ static int __init mtd_oobtest_init(void) + ops.mode = MTD_OPS_AUTO_OOB; + ops.len = 0; + ops.retlen = 0; +- ops.ooblen = mtd->ecclayout->oobavail; ++ ops.ooblen = mtd->oobavail; + ops.oobretlen = 0; + ops.ooboffs = 1; + ops.datbuf = NULL; +@@ -607,7 +607,7 @@ static int __init mtd_oobtest_init(void) + ops.mode = MTD_OPS_AUTO_OOB; + ops.len = 0; + ops.retlen = 0; +- ops.ooblen = mtd->ecclayout->oobavail; ++ ops.ooblen = mtd->oobavail; + ops.oobretlen = 0; + ops.ooboffs = 1; + ops.datbuf = NULL; +@@ -638,7 +638,7 @@ static int __init mtd_oobtest_init(void) + for (i = 0; i < ebcnt - 1; ++i) { + int cnt = 2; + int pg; +- size_t sz = mtd->ecclayout->oobavail; ++ size_t sz = mtd->oobavail; + if (bbt[i] || bbt[i + 1]) + continue; + addr = (loff_t)(i + 1) * mtd->erasesize - mtd->writesize; +@@ -673,13 +673,12 @@ static int __init mtd_oobtest_init(void) + for (i = 0; i < ebcnt - 1; ++i) { + if (bbt[i] || bbt[i + 1]) + continue; +- prandom_bytes_state(&rnd_state, writebuf, +- mtd->ecclayout->oobavail * 2); ++ prandom_bytes_state(&rnd_state, writebuf, mtd->oobavail * 2); + addr = (loff_t)(i + 1) * mtd->erasesize - mtd->writesize; + ops.mode = MTD_OPS_AUTO_OOB; + ops.len = 0; + ops.retlen = 0; +- ops.ooblen = mtd->ecclayout->oobavail * 2; ++ ops.ooblen = mtd->oobavail * 2; + ops.oobretlen = 0; + ops.ooboffs = 0; + ops.datbuf = NULL; +@@ -688,7 +687,7 @@ static int __init mtd_oobtest_init(void) + if (err) + goto out; + if (memcmpshow(addr, readbuf, writebuf, +- mtd->ecclayout->oobavail * 2)) { ++ mtd->oobavail * 2)) { + pr_err("error: verify failed at %#llx\n", + (long long)addr); + errcnt += 1; +--- a/drivers/mtd/tests/pagetest.c ++++ b/drivers/mtd/tests/pagetest.c +@@ -127,13 +127,12 @@ static int crosstest(void) + unsigned char *pp1, *pp2, *pp3, *pp4; + + pr_info("crosstest\n"); +- pp1 = kmalloc(pgsize * 4, GFP_KERNEL); ++ pp1 = kzalloc(pgsize * 4, GFP_KERNEL); + if (!pp1) + return -ENOMEM; + pp2 = pp1 + pgsize; + pp3 = pp2 + pgsize; + pp4 = pp3 + pgsize; +- memset(pp1, 0, pgsize * 4); + + addr0 = 0; + for (i = 0; i < ebcnt && bbt[i]; ++i) +--- a/drivers/mtd/ubi/cdev.c ++++ b/drivers/mtd/ubi/cdev.c +@@ -174,9 +174,9 @@ static int vol_cdev_fsync(struct file *f + struct ubi_device *ubi = desc->vol->ubi; + struct inode *inode = file_inode(file); + int err; +- mutex_lock(&inode->i_mutex); ++ inode_lock(inode); + err = ubi_sync(ubi->ubi_num); +- mutex_unlock(&inode->i_mutex); ++ inode_unlock(inode); + return err; + } + +--- a/drivers/mtd/ubi/misc.c ++++ b/drivers/mtd/ubi/misc.c +@@ -153,3 +153,52 @@ int ubi_check_pattern(const void *buf, u + return 0; + return 1; + } ++ ++/* Normal UBI messages */ ++void ubi_msg(const struct ubi_device *ubi, const char *fmt, ...) ++{ ++ struct va_format vaf; ++ va_list args; ++ ++ va_start(args, fmt); ++ ++ vaf.fmt = fmt; ++ vaf.va = &args; ++ ++ pr_notice(UBI_NAME_STR "%d: %pV\n", ubi->ubi_num, &vaf); ++ ++ va_end(args); ++} ++ ++/* UBI warning messages */ ++void ubi_warn(const struct ubi_device *ubi, const char *fmt, ...) ++{ ++ struct va_format vaf; ++ va_list args; ++ ++ va_start(args, fmt); ++ ++ vaf.fmt = fmt; ++ vaf.va = &args; ++ ++ pr_warn(UBI_NAME_STR "%d warning: %ps: %pV\n", ++ ubi->ubi_num, __builtin_return_address(0), &vaf); ++ ++ va_end(args); ++} ++ ++/* UBI error messages */ ++void ubi_err(const struct ubi_device *ubi, const char *fmt, ...) ++{ ++ struct va_format vaf; ++ va_list args; ++ ++ va_start(args, fmt); ++ ++ vaf.fmt = fmt; ++ vaf.va = &args; ++ ++ pr_err(UBI_NAME_STR "%d error: %ps: %pV\n", ++ ubi->ubi_num, __builtin_return_address(0), &vaf); ++ va_end(args); ++} +--- a/drivers/mtd/ubi/ubi.h ++++ b/drivers/mtd/ubi/ubi.h +@@ -49,15 +49,19 @@ + /* UBI name used for character devices, sysfs, etc */ + #define UBI_NAME_STR "ubi" + ++struct ubi_device; ++ + /* Normal UBI messages */ +-#define ubi_msg(ubi, fmt, ...) pr_notice(UBI_NAME_STR "%d: " fmt "\n", \ +- ubi->ubi_num, ##__VA_ARGS__) ++__printf(2, 3) ++void ubi_msg(const struct ubi_device *ubi, const char *fmt, ...); ++ + /* UBI warning messages */ +-#define ubi_warn(ubi, fmt, ...) pr_warn(UBI_NAME_STR "%d warning: %s: " fmt "\n", \ +- ubi->ubi_num, __func__, ##__VA_ARGS__) ++__printf(2, 3) ++void ubi_warn(const struct ubi_device *ubi, const char *fmt, ...); ++ + /* UBI error messages */ +-#define ubi_err(ubi, fmt, ...) pr_err(UBI_NAME_STR "%d error: %s: " fmt "\n", \ +- ubi->ubi_num, __func__, ##__VA_ARGS__) ++__printf(2, 3) ++void ubi_err(const struct ubi_device *ubi, const char *fmt, ...); + + /* Background thread name pattern */ + #define UBI_BGT_NAME_PATTERN "ubi_bgt%dd" +--- a/drivers/mtd/ubi/wl.c ++++ b/drivers/mtd/ubi/wl.c +@@ -628,6 +628,7 @@ static int do_sync_erase(struct ubi_devi + return __erase_worker(ubi, &wl_wrk); + } + ++static int ensure_wear_leveling(struct ubi_device *ubi, int nested); + /** + * wear_leveling_worker - wear-leveling worker function. + * @ubi: UBI device description object +@@ -649,6 +650,7 @@ static int wear_leveling_worker(struct u + #endif + struct ubi_wl_entry *e1, *e2; + struct ubi_vid_hdr *vid_hdr; ++ int dst_leb_clean = 0; + + kfree(wrk); + if (shutdown) +@@ -753,6 +755,7 @@ static int wear_leveling_worker(struct u + + err = ubi_io_read_vid_hdr(ubi, e1->pnum, vid_hdr, 0); + if (err && err != UBI_IO_BITFLIPS) { ++ dst_leb_clean = 1; + if (err == UBI_IO_FF) { + /* + * We are trying to move PEB without a VID header. UBI +@@ -798,10 +801,12 @@ static int wear_leveling_worker(struct u + * protection queue. + */ + protect = 1; ++ dst_leb_clean = 1; + goto out_not_moved; + } + if (err == MOVE_RETRY) { + scrubbing = 1; ++ dst_leb_clean = 1; + goto out_not_moved; + } + if (err == MOVE_TARGET_BITFLIPS || err == MOVE_TARGET_WR_ERR || +@@ -827,6 +832,7 @@ static int wear_leveling_worker(struct u + ubi->erroneous_peb_count); + goto out_error; + } ++ dst_leb_clean = 1; + erroneous = 1; + goto out_not_moved; + } +@@ -897,15 +903,24 @@ out_not_moved: + wl_tree_add(e1, &ubi->scrub); + else + wl_tree_add(e1, &ubi->used); ++ if (dst_leb_clean) { ++ wl_tree_add(e2, &ubi->free); ++ ubi->free_count++; ++ } ++ + ubi_assert(!ubi->move_to_put); + ubi->move_from = ubi->move_to = NULL; + ubi->wl_scheduled = 0; + spin_unlock(&ubi->wl_lock); + + ubi_free_vid_hdr(ubi, vid_hdr); +- err = do_sync_erase(ubi, e2, vol_id, lnum, torture); +- if (err) +- goto out_ro; ++ if (dst_leb_clean) { ++ ensure_wear_leveling(ubi, 1); ++ } else { ++ err = do_sync_erase(ubi, e2, vol_id, lnum, torture); ++ if (err) ++ goto out_ro; ++ } + + mutex_unlock(&ubi->move_mutex); + return 0; +--- a/include/linux/mtd/bbm.h ++++ b/include/linux/mtd/bbm.h +@@ -166,7 +166,6 @@ struct bbm_info { + }; + + /* OneNAND BBT interface */ +-extern int onenand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd); + extern int onenand_default_bbt(struct mtd_info *mtd); + + #endif /* __LINUX_MTD_BBM_H */ +--- a/include/linux/mtd/fsmc.h ++++ b/include/linux/mtd/fsmc.h +@@ -103,24 +103,6 @@ + + #define FSMC_BUSY_WAIT_TIMEOUT (1 * HZ) + +-/* +- * There are 13 bytes of ecc for every 512 byte block in FSMC version 8 +- * and it has to be read consecutively and immediately after the 512 +- * byte data block for hardware to generate the error bit offsets +- * Managing the ecc bytes in the following way is easier. This way is +- * similar to oobfree structure maintained already in u-boot nand driver +- */ +-#define MAX_ECCPLACE_ENTRIES 32 +- +-struct fsmc_nand_eccplace { +- uint8_t offset; +- uint8_t length; +-}; +- +-struct fsmc_eccplace { +- struct fsmc_nand_eccplace eccplace[MAX_ECCPLACE_ENTRIES]; +-}; +- + struct fsmc_nand_timings { + uint8_t tclr; + uint8_t tar; +--- a/include/linux/mtd/inftl.h ++++ b/include/linux/mtd/inftl.h +@@ -44,7 +44,6 @@ struct INFTLrecord { + unsigned int nb_blocks; /* number of physical blocks */ + unsigned int nb_boot_blocks; /* number of blocks used by the bios */ + struct erase_info instr; +- struct nand_ecclayout oobinfo; + }; + + int INFTL_mount(struct INFTLrecord *s); +--- a/include/linux/mtd/map.h ++++ b/include/linux/mtd/map.h +@@ -142,7 +142,9 @@ + #endif + + #ifndef map_bankwidth ++#ifdef CONFIG_MTD + #warning "No CONFIG_MTD_MAP_BANK_WIDTH_xx selected. No NOR chip support can work" ++#endif + static inline int map_bankwidth(void *map) + { + BUG(); +@@ -238,8 +240,11 @@ struct map_info { + If there is no cache to care about this can be set to NULL. */ + void (*inval_cache)(struct map_info *, unsigned long, ssize_t); + +- /* set_vpp() must handle being reentered -- enable, enable, disable +- must leave it enabled. */ ++ /* This will be called with 1 as parameter when the first map user ++ * needs VPP, and called with 0 when the last user exits. The map ++ * core maintains a reference counter, and assumes that VPP is a ++ * global resource applying to all mapped flash chips on the system. ++ */ + void (*set_vpp)(struct map_info *, int); + + unsigned long pfow_base; +--- a/include/linux/mtd/mtd.h ++++ b/include/linux/mtd/mtd.h +@@ -100,17 +100,35 @@ struct mtd_oob_ops { + + #define MTD_MAX_OOBFREE_ENTRIES_LARGE 32 + #define MTD_MAX_ECCPOS_ENTRIES_LARGE 640 ++/** ++ * struct mtd_oob_region - oob region definition ++ * @offset: region offset ++ * @length: region length ++ * ++ * This structure describes a region of the OOB area, and is used ++ * to retrieve ECC or free bytes sections. ++ * Each section is defined by an offset within the OOB area and a ++ * length. ++ */ ++struct mtd_oob_region { ++ u32 offset; ++ u32 length; ++}; ++ + /* +- * Internal ECC layout control structure. For historical reasons, there is a +- * similar, smaller struct nand_ecclayout_user (in mtd-abi.h) that is retained +- * for export to user-space via the ECCGETLAYOUT ioctl. +- * nand_ecclayout should be expandable in the future simply by the above macros. ++ * struct mtd_ooblayout_ops - NAND OOB layout operations ++ * @ecc: function returning an ECC region in the OOB area. ++ * Should return -ERANGE if %section exceeds the total number of ++ * ECC sections. ++ * @free: function returning a free region in the OOB area. ++ * Should return -ERANGE if %section exceeds the total number of ++ * free sections. + */ +-struct nand_ecclayout { +- __u32 eccbytes; +- __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES_LARGE]; +- __u32 oobavail; +- struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES_LARGE]; ++struct mtd_ooblayout_ops { ++ int (*ecc)(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oobecc); ++ int (*free)(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oobfree); + }; + + struct module; /* only needed for owner field in mtd_info */ +@@ -171,8 +189,8 @@ struct mtd_info { + const char *name; + int index; + +- /* ECC layout structure pointer - read only! */ +- struct nand_ecclayout *ecclayout; ++ /* OOB layout description */ ++ const struct mtd_ooblayout_ops *ooblayout; + + /* the ecc step size. */ + unsigned int ecc_step_size; +@@ -258,6 +276,46 @@ struct mtd_info { + int usecount; + }; + ++int mtd_ooblayout_ecc(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oobecc); ++int mtd_ooblayout_find_eccregion(struct mtd_info *mtd, int eccbyte, ++ int *section, ++ struct mtd_oob_region *oobregion); ++int mtd_ooblayout_get_eccbytes(struct mtd_info *mtd, u8 *eccbuf, ++ const u8 *oobbuf, int start, int nbytes); ++int mtd_ooblayout_set_eccbytes(struct mtd_info *mtd, const u8 *eccbuf, ++ u8 *oobbuf, int start, int nbytes); ++int mtd_ooblayout_free(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oobfree); ++int mtd_ooblayout_get_databytes(struct mtd_info *mtd, u8 *databuf, ++ const u8 *oobbuf, int start, int nbytes); ++int mtd_ooblayout_set_databytes(struct mtd_info *mtd, const u8 *databuf, ++ u8 *oobbuf, int start, int nbytes); ++int mtd_ooblayout_count_freebytes(struct mtd_info *mtd); ++int mtd_ooblayout_count_eccbytes(struct mtd_info *mtd); ++ ++static inline void mtd_set_ooblayout(struct mtd_info *mtd, ++ const struct mtd_ooblayout_ops *ooblayout) ++{ ++ mtd->ooblayout = ooblayout; ++} ++ ++static inline void mtd_set_of_node(struct mtd_info *mtd, ++ struct device_node *np) ++{ ++ mtd->dev.of_node = np; ++} ++ ++static inline struct device_node *mtd_get_of_node(struct mtd_info *mtd) ++{ ++ return mtd->dev.of_node; ++} ++ ++static inline int mtd_oobavail(struct mtd_info *mtd, struct mtd_oob_ops *ops) ++{ ++ return ops->mode == MTD_OPS_AUTO_OOB ? mtd->oobavail : mtd->oobsize; ++} ++ + int mtd_erase(struct mtd_info *mtd, struct erase_info *instr); + int mtd_point(struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, + void **virt, resource_size_t *phys); +--- a/include/linux/mtd/nand.h ++++ b/include/linux/mtd/nand.h +@@ -119,6 +119,12 @@ typedef enum { + NAND_ECC_SOFT_BCH, + } nand_ecc_modes_t; + ++enum nand_ecc_algo { ++ NAND_ECC_UNKNOWN, ++ NAND_ECC_HAMMING, ++ NAND_ECC_BCH, ++}; ++ + /* + * Constants for Hardware ECC + */ +@@ -129,6 +135,14 @@ typedef enum { + /* Enable Hardware ECC before syndrome is read back from flash */ + #define NAND_ECC_READSYN 2 + ++/* ++ * Enable generic NAND 'page erased' check. This check is only done when ++ * ecc.correct() returns -EBADMSG. ++ * Set this flag if your implementation does not fix bitflips in erased ++ * pages and you want to rely on the default implementation. ++ */ ++#define NAND_ECC_GENERIC_ERASED_CHECK BIT(0) ++ + /* Bit mask for flags passed to do_nand_read_ecc */ + #define NAND_GET_DEVICE 0x80 + +@@ -160,6 +174,12 @@ typedef enum { + /* Device supports subpage reads */ + #define NAND_SUBPAGE_READ 0x00001000 + ++/* ++ * Some MLC NANDs need data scrambling to limit bitflips caused by repeated ++ * patterns. ++ */ ++#define NAND_NEED_SCRAMBLING 0x00002000 ++ + /* Options valid for Samsung large page devices */ + #define NAND_SAMSUNG_LP_OPTIONS NAND_CACHEPRG + +@@ -276,15 +296,15 @@ struct nand_onfi_params { + __le16 t_r; + __le16 t_ccs; + __le16 src_sync_timing_mode; +- __le16 src_ssync_features; ++ u8 src_ssync_features; + __le16 clk_pin_capacitance_typ; + __le16 io_pin_capacitance_typ; + __le16 input_pin_capacitance_typ; + u8 input_pin_capacitance_max; + u8 driver_strength_support; + __le16 t_int_r; +- __le16 t_ald; +- u8 reserved4[7]; ++ __le16 t_adl; ++ u8 reserved4[8]; + + /* vendor */ + __le16 vendor_revision; +@@ -407,7 +427,7 @@ struct nand_jedec_params { + __le16 input_pin_capacitance_typ; + __le16 clk_pin_capacitance_typ; + u8 driver_strength_support; +- __le16 t_ald; ++ __le16 t_adl; + u8 reserved4[36]; + + /* ECC and endurance block */ +@@ -444,6 +464,7 @@ struct nand_hw_control { + /** + * struct nand_ecc_ctrl - Control structure for ECC + * @mode: ECC mode ++ * @algo: ECC algorithm + * @steps: number of ECC steps per page + * @size: data bytes per ECC step + * @bytes: ECC bytes per step +@@ -451,12 +472,18 @@ struct nand_hw_control { + * @total: total number of ECC bytes per page + * @prepad: padding information for syndrome based ECC generators + * @postpad: padding information for syndrome based ECC generators +- * @layout: ECC layout control struct pointer ++ * @options: ECC specific options (see NAND_ECC_XXX flags defined above) + * @priv: pointer to private ECC control data + * @hwctl: function to control hardware ECC generator. Must only + * be provided if an hardware ECC is available + * @calculate: function for ECC calculation or readback from ECC hardware +- * @correct: function for ECC correction, matching to ECC generator (sw/hw) ++ * @correct: function for ECC correction, matching to ECC generator (sw/hw). ++ * Should return a positive number representing the number of ++ * corrected bitflips, -EBADMSG if the number of bitflips exceed ++ * ECC strength, or any other error code if the error is not ++ * directly related to correction. ++ * If -EBADMSG is returned the input buffers should be left ++ * untouched. + * @read_page_raw: function to read a raw page without ECC. This function + * should hide the specific layout used by the ECC + * controller and always return contiguous in-band and +@@ -487,6 +514,7 @@ struct nand_hw_control { + */ + struct nand_ecc_ctrl { + nand_ecc_modes_t mode; ++ enum nand_ecc_algo algo; + int steps; + int size; + int bytes; +@@ -494,7 +522,7 @@ struct nand_ecc_ctrl { + int strength; + int prepad; + int postpad; +- struct nand_ecclayout *layout; ++ unsigned int options; + void *priv; + void (*hwctl)(struct mtd_info *mtd, int mode); + int (*calculate)(struct mtd_info *mtd, const uint8_t *dat, +@@ -540,11 +568,11 @@ struct nand_buffers { + + /** + * struct nand_chip - NAND Private Flash Chip Data ++ * @mtd: MTD device registered to the MTD framework + * @IO_ADDR_R: [BOARDSPECIFIC] address to read the 8 I/O lines of the + * flash device + * @IO_ADDR_W: [BOARDSPECIFIC] address to write the 8 I/O lines of the + * flash device. +- * @flash_node: [BOARDSPECIFIC] device node describing this instance + * @read_byte: [REPLACEABLE] read one byte from the chip + * @read_word: [REPLACEABLE] read one word from the chip + * @write_byte: [REPLACEABLE] write a single byte to the chip on the +@@ -640,18 +668,17 @@ struct nand_buffers { + */ + + struct nand_chip { ++ struct mtd_info mtd; + void __iomem *IO_ADDR_R; + void __iomem *IO_ADDR_W; + +- struct device_node *flash_node; +- + uint8_t (*read_byte)(struct mtd_info *mtd); + u16 (*read_word)(struct mtd_info *mtd); + void (*write_byte)(struct mtd_info *mtd, uint8_t byte); + void (*write_buf)(struct mtd_info *mtd, const uint8_t *buf, int len); + void (*read_buf)(struct mtd_info *mtd, uint8_t *buf, int len); + void (*select_chip)(struct mtd_info *mtd, int chip); +- int (*block_bad)(struct mtd_info *mtd, loff_t ofs, int getchip); ++ int (*block_bad)(struct mtd_info *mtd, loff_t ofs); + int (*block_markbad)(struct mtd_info *mtd, loff_t ofs); + void (*cmd_ctrl)(struct mtd_info *mtd, int dat, unsigned int ctrl); + int (*dev_ready)(struct mtd_info *mtd); +@@ -719,6 +746,40 @@ struct nand_chip { + void *priv; + }; + ++extern const struct mtd_ooblayout_ops nand_ooblayout_sp_ops; ++extern const struct mtd_ooblayout_ops nand_ooblayout_lp_ops; ++ ++static inline void nand_set_flash_node(struct nand_chip *chip, ++ struct device_node *np) ++{ ++ mtd_set_of_node(&chip->mtd, np); ++} ++ ++static inline struct device_node *nand_get_flash_node(struct nand_chip *chip) ++{ ++ return mtd_get_of_node(&chip->mtd); ++} ++ ++static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd) ++{ ++ return container_of(mtd, struct nand_chip, mtd); ++} ++ ++static inline struct mtd_info *nand_to_mtd(struct nand_chip *chip) ++{ ++ return &chip->mtd; ++} ++ ++static inline void *nand_get_controller_data(struct nand_chip *chip) ++{ ++ return chip->priv; ++} ++ ++static inline void nand_set_controller_data(struct nand_chip *chip, void *priv) ++{ ++ chip->priv = priv; ++} ++ + /* + * NAND Flash Manufacturer ID Codes + */ +@@ -850,7 +911,6 @@ extern int nand_do_read(struct mtd_info + * @chip_delay: R/B delay value in us + * @options: Option flags, e.g. 16bit buswidth + * @bbt_options: BBT option flags, e.g. NAND_BBT_USE_FLASH +- * @ecclayout: ECC layout info structure + * @part_probe_types: NULL-terminated array of probe types + */ + struct platform_nand_chip { +@@ -858,7 +918,6 @@ struct platform_nand_chip { + int chip_offset; + int nr_partitions; + struct mtd_partition *partitions; +- struct nand_ecclayout *ecclayout; + int chip_delay; + unsigned int options; + unsigned int bbt_options; +@@ -908,15 +967,6 @@ struct platform_nand_data { + struct platform_nand_ctrl ctrl; + }; + +-/* Some helpers to access the data structures */ +-static inline +-struct platform_nand_chip *get_platform_nandchip(struct mtd_info *mtd) +-{ +- struct nand_chip *chip = mtd->priv; +- +- return chip->priv; +-} +- + /* return the supported features. */ + static inline int onfi_feature(struct nand_chip *chip) + { +--- a/include/linux/mtd/nand_bch.h ++++ b/include/linux/mtd/nand_bch.h +@@ -32,9 +32,7 @@ int nand_bch_correct_data(struct mtd_inf + /* + * Initialize BCH encoder/decoder + */ +-struct nand_bch_control * +-nand_bch_init(struct mtd_info *mtd, unsigned int eccsize, +- unsigned int eccbytes, struct nand_ecclayout **ecclayout); ++struct nand_bch_control *nand_bch_init(struct mtd_info *mtd); + /* + * Release BCH encoder/decoder resources + */ +@@ -55,12 +53,10 @@ static inline int + nand_bch_correct_data(struct mtd_info *mtd, unsigned char *buf, + unsigned char *read_ecc, unsigned char *calc_ecc) + { +- return -1; ++ return -ENOTSUPP; + } + +-static inline struct nand_bch_control * +-nand_bch_init(struct mtd_info *mtd, unsigned int eccsize, +- unsigned int eccbytes, struct nand_ecclayout **ecclayout) ++static inline struct nand_bch_control *nand_bch_init(struct mtd_info *mtd) + { + return NULL; + } +--- a/include/linux/mtd/nftl.h ++++ b/include/linux/mtd/nftl.h +@@ -50,7 +50,6 @@ struct NFTLrecord { + unsigned int nb_blocks; /* number of physical blocks */ + unsigned int nb_boot_blocks; /* number of blocks used by the bios */ + struct erase_info instr; +- struct nand_ecclayout oobinfo; + }; + + int NFTL_mount(struct NFTLrecord *s); +--- a/include/linux/mtd/onenand.h ++++ b/include/linux/mtd/onenand.h +@@ -80,7 +80,6 @@ struct onenand_bufferram { + * @page_buf: [INTERN] page main data buffer + * @oob_buf: [INTERN] page oob data buffer + * @subpagesize: [INTERN] holds the subpagesize +- * @ecclayout: [REPLACEABLE] the default ecc placement scheme + * @bbm: [REPLACEABLE] pointer to Bad Block Management + * @priv: [OPTIONAL] pointer to private chip date + */ +@@ -134,7 +133,6 @@ struct onenand_chip { + #endif + + int subpagesize; +- struct nand_ecclayout *ecclayout; + + void *bbm; + +--- a/include/linux/mtd/partitions.h ++++ b/include/linux/mtd/partitions.h +@@ -42,7 +42,6 @@ struct mtd_partition { + uint64_t size; /* partition size */ + uint64_t offset; /* offset within the master MTD space */ + uint32_t mask_flags; /* master MTD flags to mask out for this partition */ +- struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only) */ + }; + + #define MTDPART_OFS_RETAIN (-3) +@@ -56,11 +55,9 @@ struct device_node; + /** + * struct mtd_part_parser_data - used to pass data to MTD partition parsers. + * @origin: for RedBoot, start address of MTD device +- * @of_node: for OF parsers, device node containing partitioning information + */ + struct mtd_part_parser_data { + unsigned long origin; +- struct device_node *of_node; + }; + + +@@ -78,14 +75,34 @@ struct mtd_part_parser { + struct list_head list; + struct module *owner; + const char *name; +- int (*parse_fn)(struct mtd_info *, struct mtd_partition **, ++ int (*parse_fn)(struct mtd_info *, const struct mtd_partition **, + struct mtd_part_parser_data *); ++ void (*cleanup)(const struct mtd_partition *pparts, int nr_parts); + enum mtd_parser_type type; + }; + +-extern void register_mtd_parser(struct mtd_part_parser *parser); ++/* Container for passing around a set of parsed partitions */ ++struct mtd_partitions { ++ const struct mtd_partition *parts; ++ int nr_parts; ++ const struct mtd_part_parser *parser; ++}; ++ ++extern int __register_mtd_parser(struct mtd_part_parser *parser, ++ struct module *owner); ++#define register_mtd_parser(parser) __register_mtd_parser(parser, THIS_MODULE) ++ + extern void deregister_mtd_parser(struct mtd_part_parser *parser); + ++/* ++ * module_mtd_part_parser() - Helper macro for MTD partition parsers that don't ++ * do anything special in module init/exit. Each driver may only use this macro ++ * once, and calling it replaces module_init() and module_exit(). ++ */ ++#define module_mtd_part_parser(__mtd_part_parser) \ ++ module_driver(__mtd_part_parser, register_mtd_parser, \ ++ deregister_mtd_parser) ++ + int mtd_is_partition(const struct mtd_info *mtd); + int mtd_add_partition(struct mtd_info *master, const char *name, + long long offset, long long length); +--- a/include/linux/mtd/sh_flctl.h ++++ b/include/linux/mtd/sh_flctl.h +@@ -143,11 +143,11 @@ enum flctl_ecc_res_t { + struct dma_chan; + + struct sh_flctl { +- struct mtd_info mtd; + struct nand_chip chip; + struct platform_device *pdev; + struct dev_pm_qos_request pm_qos; + void __iomem *reg; ++ resource_size_t fifo; + + uint8_t done_buff[2048 + 64]; /* max size 2048 + 64 */ + int read_bytes; +@@ -186,7 +186,7 @@ struct sh_flctl_platform_data { + + static inline struct sh_flctl *mtd_to_flctl(struct mtd_info *mtdinfo) + { +- return container_of(mtdinfo, struct sh_flctl, mtd); ++ return container_of(mtd_to_nand(mtdinfo), struct sh_flctl, chip); + } + + #endif /* __SH_FLCTL_H__ */ +--- a/include/linux/mtd/sharpsl.h ++++ b/include/linux/mtd/sharpsl.h +@@ -14,7 +14,7 @@ + + struct sharpsl_nand_platform_data { + struct nand_bbt_descr *badblock_pattern; +- struct nand_ecclayout *ecc_layout; ++ const struct mtd_ooblayout_ops *ecc_layout; + struct mtd_partition *partitions; + unsigned int nr_partitions; + }; +--- a/include/uapi/mtd/mtd-abi.h ++++ b/include/uapi/mtd/mtd-abi.h +@@ -228,7 +228,7 @@ struct nand_oobfree { + * complete set of ECC information. The ioctl truncates the larger internal + * structure to retain binary compatibility with the static declaration of the + * ioctl. Note that the "MTD_MAX_..._ENTRIES" macros represent the max size of +- * the user struct, not the MAX size of the internal struct nand_ecclayout. ++ * the user struct, not the MAX size of the internal OOB layout representation. + */ + struct nand_ecclayout_user { + __u32 eccbytes; +--- a/fs/jffs2/wbuf.c ++++ b/fs/jffs2/wbuf.c +@@ -1153,7 +1153,7 @@ static struct jffs2_sb_info *work_to_sb( + { + struct delayed_work *dwork; + +- dwork = container_of(work, struct delayed_work, work); ++ dwork = to_delayed_work(work); + return container_of(dwork, struct jffs2_sb_info, wbuf_dwork); + } + +@@ -1183,22 +1183,20 @@ void jffs2_dirty_trigger(struct jffs2_sb + + int jffs2_nand_flash_setup(struct jffs2_sb_info *c) + { +- struct nand_ecclayout *oinfo = c->mtd->ecclayout; +- + if (!c->mtd->oobsize) + return 0; + + /* Cleanmarker is out-of-band, so inline size zero */ + c->cleanmarker_size = 0; + +- if (!oinfo || oinfo->oobavail == 0) { ++ if (c->mtd->oobavail == 0) { + pr_err("inconsistent device description\n"); + return -EINVAL; + } + + jffs2_dbg(1, "using OOB on NAND\n"); + +- c->oobavail = oinfo->oobavail; ++ c->oobavail = c->mtd->oobavail; + + /* Initialise write buffer */ + init_rwsem(&c->wbuf_sem); +--- a/include/linux/mtd/spi-nor.h ++++ b/include/linux/mtd/spi-nor.h +@@ -85,6 +85,7 @@ + #define SR_BP0 BIT(2) /* Block protect 0 */ + #define SR_BP1 BIT(3) /* Block protect 1 */ + #define SR_BP2 BIT(4) /* Block protect 2 */ ++#define SR_TB BIT(5) /* Top/Bottom protect */ + #define SR_SRWD BIT(7) /* SR write protect */ + + #define SR_QUAD_EN_MX BIT(6) /* Macronix Quad I/O */ +@@ -116,6 +117,7 @@ enum spi_nor_ops { + + enum spi_nor_option_flags { + SNOR_F_USE_FSR = BIT(0), ++ SNOR_F_HAS_SR_TB = BIT(1), + }; + + /** +@@ -123,7 +125,6 @@ enum spi_nor_option_flags { + * @mtd: point to a mtd_info structure + * @lock: the lock for the read/write/erase/lock/unlock operations + * @dev: point to a spi device, or a spi nor controller device. +- * @flash_node: point to a device node describing this flash instance. + * @page_size: the page size of the SPI NOR + * @addr_width: number of address bytes + * @erase_opcode: the opcode for erasing a sector +@@ -143,7 +144,8 @@ enum spi_nor_option_flags { + * @read: [DRIVER-SPECIFIC] read data from the SPI NOR + * @write: [DRIVER-SPECIFIC] write data to the SPI NOR + * @erase: [DRIVER-SPECIFIC] erase a sector of the SPI NOR +- * at the offset @offs ++ * at the offset @offs; if not provided by the driver, ++ * spi-nor will send the erase opcode via write_reg() + * @flash_lock: [FLASH-SPECIFIC] lock a region of the SPI NOR + * @flash_unlock: [FLASH-SPECIFIC] unlock a region of the SPI NOR + * @flash_is_locked: [FLASH-SPECIFIC] check if a region of the SPI NOR is +@@ -154,7 +156,6 @@ struct spi_nor { + struct mtd_info mtd; + struct mutex lock; + struct device *dev; +- struct device_node *flash_node; + u32 page_size; + u8 addr_width; + u8 erase_opcode; +@@ -184,6 +185,17 @@ struct spi_nor { + void *priv; + }; + ++static inline void spi_nor_set_flash_node(struct spi_nor *nor, ++ struct device_node *np) ++{ ++ mtd_set_of_node(&nor->mtd, np); ++} ++ ++static inline struct device_node *spi_nor_get_flash_node(struct spi_nor *nor) ++{ ++ return mtd_get_of_node(&nor->mtd); ++} ++ + /** + * spi_nor_scan() - scan the SPI NOR + * @nor: the spi_nor structure diff --git a/target/linux/mediatek/patches-4.4/0073-of-mtd-prepare-helper-reading-NAND-ECC-algo-from-DT.patch b/target/linux/mediatek/patches-4.4/0073-of-mtd-prepare-helper-reading-NAND-ECC-algo-from-DT.patch new file mode 100644 index 0000000000..44ab079cc0 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0073-of-mtd-prepare-helper-reading-NAND-ECC-algo-from-DT.patch @@ -0,0 +1,91 @@ +From 410a91f6efa1c4c3c4369d1dd2c31286749dff33 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> +Date: Wed, 23 Mar 2016 11:19:01 +0100 +Subject: [PATCH 073/102] of: mtd: prepare helper reading NAND ECC algo from + DT +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +NAND subsystem is being slightly reworked to store ECC details in +separated fields. In future we'll want to add support for more DT +properties as specifying every possible setup with a single +"nand-ecc-mode" is a pretty bad idea. +To allow this let's add a helper that will support something like +"nand-ecc-algo" in future. Right now we use it for keeping backward +compatibility. + +Signed-off-by: Rafał Miłecki <zajec5@gmail.com> +Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> +--- + drivers/of/of_mtd.c | 36 ++++++++++++++++++++++++++++++++++++ + include/linux/of_mtd.h | 6 ++++++ + 2 files changed, 42 insertions(+) + +--- a/drivers/of/of_mtd.c ++++ b/drivers/of/of_mtd.c +@@ -50,6 +50,42 @@ int of_get_nand_ecc_mode(struct device_n + EXPORT_SYMBOL_GPL(of_get_nand_ecc_mode); + + /** ++ * of_get_nand_ecc_algo - Get nand ecc algorithm for given device_node ++ * @np: Pointer to the given device_node ++ * ++ * The function gets ecc algorithm and returns its enum value, or errno in error ++ * case. ++ */ ++int of_get_nand_ecc_algo(struct device_node *np) ++{ ++ const char *pm; ++ int err; ++ ++ /* ++ * TODO: Read ECC algo OF property and map it to enum nand_ecc_algo. ++ * It's not implemented yet as currently NAND subsystem ignores ++ * algorithm explicitly set this way. Once it's handled we should ++ * document & support new property. ++ */ ++ ++ /* ++ * For backward compatibility we also read "nand-ecc-mode" checking ++ * for some obsoleted values that were specifying ECC algorithm. ++ */ ++ err = of_property_read_string(np, "nand-ecc-mode", &pm); ++ if (err < 0) ++ return err; ++ ++ if (!strcasecmp(pm, "soft")) ++ return NAND_ECC_HAMMING; ++ else if (!strcasecmp(pm, "soft_bch")) ++ return NAND_ECC_BCH; ++ ++ return -ENODEV; ++} ++EXPORT_SYMBOL_GPL(of_get_nand_ecc_algo); ++ ++/** + * of_get_nand_ecc_step_size - Get ECC step size associated to + * the required ECC strength (see below). + * @np: Pointer to the given device_node +--- a/include/linux/of_mtd.h ++++ b/include/linux/of_mtd.h +@@ -13,6 +13,7 @@ + + #include <linux/of.h> + int of_get_nand_ecc_mode(struct device_node *np); ++int of_get_nand_ecc_algo(struct device_node *np); + int of_get_nand_ecc_step_size(struct device_node *np); + int of_get_nand_ecc_strength(struct device_node *np); + int of_get_nand_bus_width(struct device_node *np); +@@ -24,6 +25,11 @@ static inline int of_get_nand_ecc_mode(s + { + return -ENOSYS; + } ++ ++static inline int of_get_nand_ecc_algo(struct device_node *np) ++{ ++ return -ENOSYS; ++} + + static inline int of_get_nand_ecc_step_size(struct device_node *np) + { diff --git a/target/linux/mediatek/patches-4.4/0074-mtd-mediatek-device-tree-docs-for-MTK-Smart-Device-G.patch b/target/linux/mediatek/patches-4.4/0074-mtd-mediatek-device-tree-docs-for-MTK-Smart-Device-G.patch new file mode 100644 index 0000000000..5f260e3e34 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0074-mtd-mediatek-device-tree-docs-for-MTK-Smart-Device-G.patch @@ -0,0 +1,179 @@ +From 5e1c00983efeca4522ac2e8574e3e3997d26a203 Mon Sep 17 00:00:00 2001 +From: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> +Date: Fri, 29 Apr 2016 12:17:21 -0400 +Subject: [PATCH 074/102] mtd: mediatek: device tree docs for MTK Smart Device + Gen1 NAND + +This patch adds documentation support for Smart Device Gen1 type of +NAND controllers. + +Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> +--- + Documentation/devicetree/bindings/mtd/mtk-nand.txt | 161 ++++++++++++++++++++ + 1 file changed, 161 insertions(+) + create mode 100644 Documentation/devicetree/bindings/mtd/mtk-nand.txt + +--- /dev/null ++++ b/Documentation/devicetree/bindings/mtd/mtk-nand.txt +@@ -0,0 +1,161 @@ ++MTK SoCs NAND FLASH controller (NFC) DT binding ++ ++This file documents the device tree bindings for MTK SoCs NAND controllers. ++The functional split of the controller requires two drivers to operate: ++the nand controller interface driver and the ECC engine driver. ++ ++The hardware description for both devices must be captured as device ++tree nodes. ++ ++1) NFC NAND Controller Interface (NFI): ++======================================= ++ ++The first part of NFC is NAND Controller Interface (NFI) HW. ++Required NFI properties: ++- compatible: Should be "mediatek,mtxxxx-nfc". ++- reg: Base physical address and size of NFI. ++- interrupts: Interrupts of NFI. ++- clocks: NFI required clocks. ++- clock-names: NFI clocks internal name. ++- status: Disabled default. Then set "okay" by platform. ++- ecc-engine: Required ECC Engine node. ++- #address-cells: NAND chip index, should be 1. ++- #size-cells: Should be 0. ++ ++Example: ++ ++ nandc: nfi@1100d000 { ++ compatible = "mediatek,mt2701-nfc"; ++ reg = <0 0x1100d000 0 0x1000>; ++ interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_LOW>; ++ clocks = <&pericfg CLK_PERI_NFI>, ++ <&pericfg CLK_PERI_NFI_PAD>; ++ clock-names = "nfi_clk", "pad_clk"; ++ status = "disabled"; ++ ecc-engine = <&bch>; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ }; ++ ++Platform related properties, should be set in {platform_name}.dts: ++- children nodes: NAND chips. ++ ++Children nodes properties: ++- reg: Chip Select Signal, default 0. ++ Set as reg = <0>, <1> when need 2 CS. ++Optional: ++- nand-on-flash-bbt: Store BBT on NAND Flash. ++- nand-ecc-mode: the NAND ecc mode (check driver for supported modes) ++- nand-ecc-step-size: Number of data bytes covered by a single ECC step. ++ The controller only supports 512 and 1024. ++ For large page NANDs ther recommended value is 1024. ++- nand-ecc-strength: Number of bits to correct per ECC step. ++ The valid values that the controller supports are: 4, 6, ++ 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32, 36, 40, 44, ++ 48, 52, 56, 60. ++ The strength should be calculated as follows: ++ E = (S - F) * 8 / 14 ++ S = O / (P / Q) ++ E :nand-ecc-strength; ++ S :spare size per sector; ++ F : FDM size, should be in the range [1,8]. ++ It is used to store free oob data. ++ O : oob size; ++ P : page size; ++ Q :nand-ecc-step-size ++ If the result does not match any one of the listed ++ choices above, please select the smaller valid value from ++ the list. ++ (otherwise the driver will do the clamping at runtime). ++- vmch-supply: NAND power supply. ++- pinctrl-names: Default NAND pin GPIO setting name. ++- pinctrl-0: GPIO setting node. ++ ++Example: ++ &pio { ++ nand_pins_default: nanddefault { ++ pins_dat { ++ pinmux = <MT2701_PIN_111_MSDC0_DAT7__FUNC_NLD7>, ++ <MT2701_PIN_112_MSDC0_DAT6__FUNC_NLD6>, ++ <MT2701_PIN_114_MSDC0_DAT4__FUNC_NLD4>, ++ <MT2701_PIN_118_MSDC0_DAT3__FUNC_NLD3>, ++ <MT2701_PIN_121_MSDC0_DAT0__FUNC_NLD0>, ++ <MT2701_PIN_120_MSDC0_DAT1__FUNC_NLD1>, ++ <MT2701_PIN_113_MSDC0_DAT5__FUNC_NLD5>, ++ <MT2701_PIN_115_MSDC0_RSTB__FUNC_NLD8>, ++ <MT2701_PIN_119_MSDC0_DAT2__FUNC_NLD2>; ++ input-enable; ++ drive-strength = <MTK_DRIVE_8mA>; ++ bias-pull-up; ++ }; ++ ++ pins_we { ++ pinmux = <MT2701_PIN_117_MSDC0_CLK__FUNC_NWEB>; ++ drive-strength = <MTK_DRIVE_8mA>; ++ bias-pull-up = <MTK_PUPD_SET_R1R0_10>; ++ }; ++ ++ pins_ale { ++ pinmux = <MT2701_PIN_116_MSDC0_CMD__FUNC_NALE>; ++ drive-strength = <MTK_DRIVE_8mA>; ++ bias-pull-down = <MTK_PUPD_SET_R1R0_10>; ++ }; ++ }; ++ }; ++ ++ &nandc { ++ status = "okay"; ++ pinctrl-names = "default"; ++ pinctrl-0 = <&nand_pins_default>; ++ nand@0 { ++ reg = <0>; ++ nand-on-flash-bbt; ++ nand-ecc-mode = "hw"; ++ nand-ecc-strength = <24>; ++ nand-ecc-step-size = <1024>; ++ }; ++ }; ++ ++NAND chip optional subnodes: ++- Partitions, see Documentation/devicetree/bindings/mtd/partition.txt ++ ++Example: ++ nand@0 { ++ partitions { ++ compatible = "fixed-partitions"; ++ #address-cells = <1>; ++ #size-cells = <1>; ++ ++ preloader@0 { ++ label = "pl"; ++ read-only; ++ reg = <0x00000000 0x00400000>; ++ }; ++ android@0x00400000 { ++ label = "android"; ++ reg = <0x00400000 0x12c00000>; ++ }; ++ }; ++ }; ++ ++2) ECC Engine: ++============== ++ ++Required BCH properties: ++- compatible: Should be "mediatek,mtxxxx-ecc". ++- reg: Base physical address and size of ECC. ++- interrupts: Interrupts of ECC. ++- clocks: ECC required clocks. ++- clock-names: ECC clocks internal name. ++- status: Disabled default. Then set "okay" by platform. ++ ++Example: ++ ++ bch: ecc@1100e000 { ++ compatible = "mediatek,mt2701-ecc"; ++ reg = <0 0x1100e000 0 0x1000>; ++ interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_LOW>; ++ clocks = <&pericfg CLK_PERI_NFI_ECC>; ++ clock-names = "nfiecc_clk"; ++ status = "disabled"; ++ }; diff --git a/target/linux/mediatek/patches-4.4/0075-mtd-mediatek-driver-for-MTK-Smart-Device-Gen1-NAND.patch b/target/linux/mediatek/patches-4.4/0075-mtd-mediatek-driver-for-MTK-Smart-Device-Gen1-NAND.patch new file mode 100644 index 0000000000..e5312eb08c --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0075-mtd-mediatek-driver-for-MTK-Smart-Device-Gen1-NAND.patch @@ -0,0 +1,2064 @@ +From de18239fc971cfc17c53320c66ae64dd5ade032d Mon Sep 17 00:00:00 2001 +From: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> +Date: Fri, 29 Apr 2016 12:17:22 -0400 +Subject: [PATCH 075/102] mtd: mediatek: driver for MTK Smart Device Gen1 NAND + +This patch adds support for mediatek's SDG1 NFC nand controller +embedded in SoC 2701 + +Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> +--- + drivers/mtd/nand/Kconfig | 7 + + drivers/mtd/nand/Makefile | 1 + + drivers/mtd/nand/mtk_ecc.c | 527 ++++++++++++++++ + drivers/mtd/nand/mtk_ecc.h | 53 ++ + drivers/mtd/nand/mtk_nand.c | 1432 +++++++++++++++++++++++++++++++++++++++++++ + 5 files changed, 2020 insertions(+) + create mode 100644 drivers/mtd/nand/mtk_ecc.c + create mode 100644 drivers/mtd/nand/mtk_ecc.h + create mode 100644 drivers/mtd/nand/mtk_nand.c + +--- a/drivers/mtd/nand/Kconfig ++++ b/drivers/mtd/nand/Kconfig +@@ -563,4 +563,11 @@ config MTD_NAND_QCOM + Enables support for NAND flash chips on SoCs containing the EBI2 NAND + controller. This controller is found on IPQ806x SoC. + ++config MTD_NAND_MTK ++ tristate "Support for NAND controller on MTK SoCs" ++ depends on HAS_DMA ++ help ++ Enables support for NAND controller on MTK SoCs. ++ This controller is found on mt27xx, mt81xx, mt65xx SoCs. ++ + endif # MTD_NAND +--- a/drivers/mtd/nand/Makefile ++++ b/drivers/mtd/nand/Makefile +@@ -57,5 +57,6 @@ obj-$(CONFIG_MTD_NAND_SUNXI) += sunxi_n + obj-$(CONFIG_MTD_NAND_HISI504) += hisi504_nand.o + obj-$(CONFIG_MTD_NAND_BRCMNAND) += brcmnand/ + obj-$(CONFIG_MTD_NAND_QCOM) += qcom_nandc.o ++obj-$(CONFIG_MTD_NAND_MTK) += mtk_nand.o mtk_ecc.o + + nand-objs := nand_base.o nand_bbt.o nand_timings.o +--- /dev/null ++++ b/drivers/mtd/nand/mtk_ecc.c +@@ -0,0 +1,527 @@ ++/* ++ * MTK ECC controller driver. ++ * Copyright (C) 2016 MediaTek Inc. ++ * Authors: Xiaolei Li <xiaolei.li@mediatek.com> ++ * Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ */ ++ ++#include <linux/platform_device.h> ++#include <linux/dma-mapping.h> ++#include <linux/interrupt.h> ++#include <linux/clk.h> ++#include <linux/module.h> ++#include <linux/iopoll.h> ++#include <linux/of.h> ++#include <linux/of_platform.h> ++#include <linux/semaphore.h> ++ ++#include "mtk_ecc.h" ++ ++#define ECC_ENCCON (0x00) ++#define ENC_EN (1) ++#define ENC_DE (0) ++#define ECC_ENCCNFG (0x04) ++#define ECC_CNFG_4BIT (0) ++#define ECC_CNFG_6BIT (1) ++#define ECC_CNFG_8BIT (2) ++#define ECC_CNFG_10BIT (3) ++#define ECC_CNFG_12BIT (4) ++#define ECC_CNFG_14BIT (5) ++#define ECC_CNFG_16BIT (6) ++#define ECC_CNFG_18BIT (7) ++#define ECC_CNFG_20BIT (8) ++#define ECC_CNFG_22BIT (9) ++#define ECC_CNFG_24BIT (0xa) ++#define ECC_CNFG_28BIT (0xb) ++#define ECC_CNFG_32BIT (0xc) ++#define ECC_CNFG_36BIT (0xd) ++#define ECC_CNFG_40BIT (0xe) ++#define ECC_CNFG_44BIT (0xf) ++#define ECC_CNFG_48BIT (0x10) ++#define ECC_CNFG_52BIT (0x11) ++#define ECC_CNFG_56BIT (0x12) ++#define ECC_CNFG_60BIT (0x13) ++#define ECC_MODE_SHIFT (5) ++#define ECC_MS_SHIFT (16) ++#define ECC_ENCDIADDR (0x08) ++#define ECC_ENCIDLE (0x0C) ++#define ENC_IDLE BIT(0) ++#define ECC_ENCPAR(x) (0x10 + (x) * sizeof(u32)) ++#define ECC_ENCIRQ_EN (0x80) ++#define ENC_IRQEN BIT(0) ++#define ECC_ENCIRQ_STA (0x84) ++#define ECC_DECCON (0x100) ++#define DEC_EN (1) ++#define DEC_DE (0) ++#define ECC_DECCNFG (0x104) ++#define DEC_EMPTY_EN BIT(31) ++#define DEC_CNFG_CORRECT (0x3 << 12) ++#define ECC_DECIDLE (0x10C) ++#define DEC_IDLE BIT(0) ++#define ECC_DECENUM0 (0x114) ++#define ERR_MASK (0x3f) ++#define ECC_DECDONE (0x124) ++#define ECC_DECIRQ_EN (0x200) ++#define DEC_IRQEN BIT(0) ++#define ECC_DECIRQ_STA (0x204) ++ ++#define ECC_TIMEOUT (500000) ++ ++#define ECC_IDLE_REG(x) ((x) == ECC_ENC ? ECC_ENCIDLE : ECC_DECIDLE) ++#define ECC_IDLE_MASK(x) ((x) == ECC_ENC ? ENC_IDLE : DEC_IDLE) ++#define ECC_IRQ_REG(x) ((x) == ECC_ENC ? ECC_ENCIRQ_EN : ECC_DECIRQ_EN) ++#define ECC_IRQ_EN(x) ((x) == ECC_ENC ? ENC_IRQEN : DEC_IRQEN) ++#define ECC_CTL_REG(x) ((x) == ECC_ENC ? ECC_ENCCON : ECC_DECCON) ++#define ECC_CODEC_ENABLE(x) ((x) == ECC_ENC ? ENC_EN : DEC_EN) ++#define ECC_CODEC_DISABLE(x) ((x) == ECC_ENC ? ENC_DE : DEC_DE) ++ ++struct mtk_ecc { ++ struct device *dev; ++ void __iomem *regs; ++ struct clk *clk; ++ ++ struct completion done; ++ struct semaphore sem; ++ u32 sec_mask; ++}; ++ ++static inline void mtk_ecc_codec_wait_idle(struct mtk_ecc *ecc, ++ enum mtk_ecc_codec codec) ++{ ++ struct device *dev = ecc->dev; ++ u32 val; ++ int ret; ++ ++ ret = readl_poll_timeout_atomic(ecc->regs + ECC_IDLE_REG(codec), val, ++ val & ECC_IDLE_MASK(codec), ++ 10, ECC_TIMEOUT); ++ if (ret) ++ dev_warn(dev, "%s NOT idle\n", ++ codec == ECC_ENC ? "encoder" : "decoder"); ++} ++ ++static irqreturn_t mtk_ecc_irq(int irq, void *id) ++{ ++ struct mtk_ecc *ecc = id; ++ enum mtk_ecc_codec codec; ++ u32 dec, enc; ++ ++ dec = readw(ecc->regs + ECC_DECIRQ_STA) & DEC_IRQEN; ++ if (dec) { ++ codec = ECC_DEC; ++ dec = readw(ecc->regs + ECC_DECDONE); ++ if (dec & ecc->sec_mask) { ++ ecc->sec_mask = 0; ++ complete(&ecc->done); ++ } else ++ return IRQ_HANDLED; ++ } else { ++ enc = readl(ecc->regs + ECC_ENCIRQ_STA) & ENC_IRQEN; ++ if (enc) { ++ codec = ECC_ENC; ++ complete(&ecc->done); ++ } else ++ return IRQ_NONE; ++ } ++ ++ writel(0, ecc->regs + ECC_IRQ_REG(codec)); ++ ++ return IRQ_HANDLED; ++} ++ ++static void mtk_ecc_config(struct mtk_ecc *ecc, struct mtk_ecc_config *config) ++{ ++ u32 ecc_bit = ECC_CNFG_4BIT, dec_sz, enc_sz; ++ u32 reg; ++ ++ switch (config->strength) { ++ case 4: ++ ecc_bit = ECC_CNFG_4BIT; ++ break; ++ case 6: ++ ecc_bit = ECC_CNFG_6BIT; ++ break; ++ case 8: ++ ecc_bit = ECC_CNFG_8BIT; ++ break; ++ case 10: ++ ecc_bit = ECC_CNFG_10BIT; ++ break; ++ case 12: ++ ecc_bit = ECC_CNFG_12BIT; ++ break; ++ case 14: ++ ecc_bit = ECC_CNFG_14BIT; ++ break; ++ case 16: ++ ecc_bit = ECC_CNFG_16BIT; ++ break; ++ case 18: ++ ecc_bit = ECC_CNFG_18BIT; ++ break; ++ case 20: ++ ecc_bit = ECC_CNFG_20BIT; ++ break; ++ case 22: ++ ecc_bit = ECC_CNFG_22BIT; ++ break; ++ case 24: ++ ecc_bit = ECC_CNFG_24BIT; ++ break; ++ case 28: ++ ecc_bit = ECC_CNFG_28BIT; ++ break; ++ case 32: ++ ecc_bit = ECC_CNFG_32BIT; ++ break; ++ case 36: ++ ecc_bit = ECC_CNFG_36BIT; ++ break; ++ case 40: ++ ecc_bit = ECC_CNFG_40BIT; ++ break; ++ case 44: ++ ecc_bit = ECC_CNFG_44BIT; ++ break; ++ case 48: ++ ecc_bit = ECC_CNFG_48BIT; ++ break; ++ case 52: ++ ecc_bit = ECC_CNFG_52BIT; ++ break; ++ case 56: ++ ecc_bit = ECC_CNFG_56BIT; ++ break; ++ case 60: ++ ecc_bit = ECC_CNFG_60BIT; ++ break; ++ default: ++ dev_err(ecc->dev, "invalid strength %d\n", config->strength); ++ } ++ ++ if (config->codec == ECC_ENC) { ++ /* configure ECC encoder (in bits) */ ++ enc_sz = config->enc_len << 3; ++ ++ reg = ecc_bit | (config->ecc_mode << ECC_MODE_SHIFT); ++ reg |= (enc_sz << ECC_MS_SHIFT); ++ writel(reg, ecc->regs + ECC_ENCCNFG); ++ ++ if (config->ecc_mode != ECC_NFI_MODE) ++ writel(lower_32_bits(config->addr), ++ ecc->regs + ECC_ENCDIADDR); ++ ++ } else { ++ /* configure ECC decoder (in bits) */ ++ dec_sz = config->dec_len; ++ ++ reg = ecc_bit | (config->ecc_mode << ECC_MODE_SHIFT); ++ reg |= (dec_sz << ECC_MS_SHIFT) | DEC_CNFG_CORRECT; ++ reg |= DEC_EMPTY_EN; ++ writel(reg, ecc->regs + ECC_DECCNFG); ++ ++ if (config->sec_mask) ++ ecc->sec_mask = 1 << (config->sec_mask - 1); ++ } ++} ++ ++void mtk_ecc_get_stats(struct mtk_ecc *ecc, struct mtk_ecc_stats *stats, ++ int sectors) ++{ ++ u32 offset, i, err; ++ u32 bitflips = 0; ++ ++ stats->corrected = 0; ++ stats->failed = 0; ++ ++ for (i = 0; i < sectors; i++) { ++ offset = (i >> 2) << 2; ++ err = readl(ecc->regs + ECC_DECENUM0 + offset); ++ err = err >> ((i % 4) * 8); ++ err &= ERR_MASK; ++ if (err == ERR_MASK) { ++ /* uncorrectable errors */ ++ stats->failed++; ++ continue; ++ } ++ ++ stats->corrected += err; ++ bitflips = max_t(u32, bitflips, err); ++ } ++ ++ stats->bitflips = bitflips; ++} ++EXPORT_SYMBOL(mtk_ecc_get_stats); ++ ++void mtk_ecc_release(struct mtk_ecc *ecc) ++{ ++ clk_disable_unprepare(ecc->clk); ++ put_device(ecc->dev); ++} ++EXPORT_SYMBOL(mtk_ecc_release); ++ ++static struct mtk_ecc *mtk_ecc_get(struct device_node *np) ++{ ++ struct platform_device *pdev; ++ struct mtk_ecc *ecc; ++ ++ pdev = of_find_device_by_node(np); ++ if (!pdev || !platform_get_drvdata(pdev)) ++ return ERR_PTR(-EPROBE_DEFER); ++ ++ get_device(&pdev->dev); ++ ecc = platform_get_drvdata(pdev); ++ clk_prepare_enable(ecc->clk); ++ mtk_ecc_hw_init(ecc); ++ ++ return ecc; ++} ++ ++struct mtk_ecc *of_mtk_ecc_get(struct device_node *of_node) ++{ ++ struct mtk_ecc *ecc = NULL; ++ struct device_node *np; ++ ++ np = of_parse_phandle(of_node, "ecc-engine", 0); ++ if (np) { ++ ecc = mtk_ecc_get(np); ++ of_node_put(np); ++ } ++ ++ return ecc; ++} ++EXPORT_SYMBOL(of_mtk_ecc_get); ++ ++int mtk_ecc_enable(struct mtk_ecc *ecc, struct mtk_ecc_config *config) ++{ ++ enum mtk_ecc_codec codec = config->codec; ++ int ret; ++ ++ ret = down_interruptible(&ecc->sem); ++ if (ret) { ++ dev_err(ecc->dev, "interrupted when attempting to lock\n"); ++ return ret; ++ } ++ ++ mtk_ecc_codec_wait_idle(ecc, codec); ++ mtk_ecc_config(ecc, config); ++ writew(ECC_CODEC_ENABLE(codec), ecc->regs + ECC_CTL_REG(codec)); ++ ++ init_completion(&ecc->done); ++ writew(ECC_IRQ_EN(codec), ecc->regs + ECC_IRQ_REG(codec)); ++ ++ return 0; ++} ++EXPORT_SYMBOL(mtk_ecc_enable); ++ ++void mtk_ecc_disable(struct mtk_ecc *ecc, struct mtk_ecc_config *config) ++{ ++ enum mtk_ecc_codec codec = config->codec; ++ ++ mtk_ecc_codec_wait_idle(ecc, codec); ++ writew(0, ecc->regs + ECC_IRQ_REG(codec)); ++ writew(ECC_CODEC_DISABLE(codec), ecc->regs + ECC_CTL_REG(codec)); ++ up(&ecc->sem); ++} ++EXPORT_SYMBOL(mtk_ecc_disable); ++ ++int mtk_ecc_wait_irq_done(struct mtk_ecc *ecc, enum mtk_ecc_codec codec) ++{ ++ int ret; ++ ++ ret = wait_for_completion_timeout(&ecc->done, msecs_to_jiffies(500)); ++ if (!ret) { ++ dev_err(ecc->dev, "%s timeout - interrupt did not arrive)\n", ++ (codec == ECC_ENC) ? "encoder" : "decoder"); ++ return -ETIMEDOUT; ++ } ++ ++ return 0; ++} ++EXPORT_SYMBOL(mtk_ecc_wait_irq_done); ++ ++int mtk_ecc_encode_non_nfi_mode(struct mtk_ecc *ecc, ++ struct mtk_ecc_config *config, u8 *data, u32 bytes) ++{ ++ dma_addr_t addr; ++ u32 *p, len, i; ++ int ret = 0; ++ ++ addr = dma_map_single(ecc->dev, data, bytes, DMA_TO_DEVICE); ++ ret = dma_mapping_error(ecc->dev, addr); ++ if (ret) { ++ dev_err(ecc->dev, "dma mapping error\n"); ++ return -EINVAL; ++ } ++ ++ config->codec = ECC_ENC; ++ config->addr = addr; ++ ret = mtk_ecc_enable(ecc, config); ++ if (ret) { ++ dma_unmap_single(ecc->dev, addr, bytes, DMA_TO_DEVICE); ++ return ret; ++ } ++ ++ ret = mtk_ecc_wait_irq_done(ecc, ECC_ENC); ++ if (ret) ++ goto timeout; ++ ++ mtk_ecc_codec_wait_idle(ecc, ECC_ENC); ++ ++ /* Program ECC bytes to OOB: per sector oob = FDM + ECC + SPARE */ ++ len = (config->strength * ECC_PARITY_BITS + 7) >> 3; ++ p = (u32 *) (data + bytes); ++ ++ /* write the parity bytes generated by the ECC back to the OOB region */ ++ for (i = 0; i < len; i++) ++ p[i] = readl(ecc->regs + ECC_ENCPAR(i)); ++timeout: ++ ++ dma_unmap_single(ecc->dev, addr, bytes, DMA_TO_DEVICE); ++ mtk_ecc_disable(ecc, config); ++ ++ return ret; ++} ++EXPORT_SYMBOL(mtk_ecc_encode_non_nfi_mode); ++ ++void mtk_ecc_hw_init(struct mtk_ecc *ecc) ++{ ++ mtk_ecc_codec_wait_idle(ecc, ECC_ENC); ++ writew(ENC_DE, ecc->regs + ECC_ENCCON); ++ ++ mtk_ecc_codec_wait_idle(ecc, ECC_DEC); ++ writel(DEC_DE, ecc->regs + ECC_DECCON); ++} ++ ++void mtk_ecc_update_strength(u32 *p) ++{ ++ u32 ecc[] = {4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 28, 32, 36, ++ 40, 44, 48, 52, 56, 60}; ++ int i; ++ ++ for (i = 0; i < ARRAY_SIZE(ecc); i++) { ++ if (*p <= ecc[i]) { ++ if (!i) ++ *p = ecc[i]; ++ else if (*p != ecc[i]) ++ *p = ecc[i - 1]; ++ return; ++ } ++ } ++ ++ *p = ecc[ARRAY_SIZE(ecc) - 1]; ++} ++EXPORT_SYMBOL(mtk_ecc_update_strength); ++ ++static int mtk_ecc_probe(struct platform_device *pdev) ++{ ++ struct device *dev = &pdev->dev; ++ struct mtk_ecc *ecc; ++ struct resource *res; ++ int irq, ret; ++ ++ ecc = devm_kzalloc(dev, sizeof(*ecc), GFP_KERNEL); ++ if (!ecc) ++ return -ENOMEM; ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ ecc->regs = devm_ioremap_resource(dev, res); ++ if (IS_ERR(ecc->regs)) { ++ dev_err(dev, "failed to map regs: %ld\n", PTR_ERR(ecc->regs)); ++ return PTR_ERR(ecc->regs); ++ } ++ ++ ecc->clk = devm_clk_get(dev, NULL); ++ if (IS_ERR(ecc->clk)) { ++ dev_err(dev, "failed to get clock: %ld\n", PTR_ERR(ecc->clk)); ++ return PTR_ERR(ecc->clk); ++ } ++ ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) { ++ dev_err(dev, "failed to get irq\n"); ++ return -EINVAL; ++ } ++ ++ ret = dma_set_mask(dev, DMA_BIT_MASK(32)); ++ if (ret) { ++ dev_err(dev, "failed to set DMA mask\n"); ++ return ret; ++ } ++ ++ ret = devm_request_irq(dev, irq, mtk_ecc_irq, 0x0, "mtk-ecc", ecc); ++ if (ret) { ++ dev_err(dev, "failed to request irq\n"); ++ return -EINVAL; ++ } ++ ++ ecc->dev = dev; ++ sema_init(&ecc->sem, 1); ++ platform_set_drvdata(pdev, ecc); ++ dev_info(dev, "probed\n"); ++ ++ return 0; ++} ++ ++#ifdef CONFIG_PM_SLEEP ++static int mtk_ecc_suspend(struct device *dev) ++{ ++ struct mtk_ecc *ecc = dev_get_drvdata(dev); ++ ++ clk_disable_unprepare(ecc->clk); ++ ++ return 0; ++} ++ ++static int mtk_ecc_resume(struct device *dev) ++{ ++ struct mtk_ecc *ecc = dev_get_drvdata(dev); ++ int ret; ++ ++ ret = clk_prepare_enable(ecc->clk); ++ if (ret) { ++ dev_err(dev, "failed to enable clk\n"); ++ return ret; ++ } ++ ++ mtk_ecc_hw_init(ecc); ++ ++ return 0; ++} ++ ++static SIMPLE_DEV_PM_OPS(mtk_ecc_pm_ops, mtk_ecc_suspend, mtk_ecc_resume); ++#endif ++ ++static const struct of_device_id mtk_ecc_dt_match[] = { ++ { .compatible = "mediatek,mt2701-ecc" }, ++ {}, ++}; ++ ++MODULE_DEVICE_TABLE(of, mtk_ecc_dt_match); ++ ++static struct platform_driver mtk_ecc_driver = { ++ .probe = mtk_ecc_probe, ++ .driver = { ++ .name = "mtk-ecc", ++ .of_match_table = of_match_ptr(mtk_ecc_dt_match), ++#ifdef CONFIG_PM_SLEEP ++ .pm = &mtk_ecc_pm_ops, ++#endif ++ }, ++}; ++ ++module_platform_driver(mtk_ecc_driver); ++ ++MODULE_AUTHOR("Xiaolei Li <xiaolei.li@mediatek.com>"); ++MODULE_AUTHOR("Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>"); ++MODULE_DESCRIPTION("MTK Nand ECC Driver"); ++MODULE_LICENSE("GPL"); +--- /dev/null ++++ b/drivers/mtd/nand/mtk_ecc.h +@@ -0,0 +1,53 @@ ++/* ++ * MTK SDG1 ECC controller ++ * ++ * Copyright (c) 2016 Mediatek ++ * Authors: Xiaolei Li <xiaolei.li@mediatek.com> ++ * Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ */ ++ ++#ifndef __DRIVERS_MTD_NAND_MTK_ECC_H__ ++#define __DRIVERS_MTD_NAND_MTK_ECC_H__ ++ ++#include <linux/types.h> ++ ++#define ECC_PARITY_BITS (14) ++ ++enum mtk_ecc_mode {ECC_DMA_MODE = 0, ECC_NFI_MODE = 1}; ++enum mtk_ecc_codec {ECC_ENC, ECC_DEC}; ++ ++struct device_node; ++struct mtk_ecc; ++ ++struct mtk_ecc_stats { ++ u32 corrected; ++ u32 bitflips; ++ u32 failed; ++}; ++ ++struct mtk_ecc_config { ++ enum mtk_ecc_mode ecc_mode; ++ enum mtk_ecc_codec codec; ++ dma_addr_t addr; ++ u32 sec_mask; ++ u32 strength; ++ u32 enc_len; ++ u32 dec_len; ++}; ++ ++int mtk_ecc_enable(struct mtk_ecc *, struct mtk_ecc_config *); ++void mtk_ecc_disable(struct mtk_ecc *, struct mtk_ecc_config *); ++int mtk_ecc_encode_non_nfi_mode(struct mtk_ecc *, struct mtk_ecc_config *, ++ u8 *, u32); ++void mtk_ecc_get_stats(struct mtk_ecc *, struct mtk_ecc_stats *, int); ++int mtk_ecc_wait_irq_done(struct mtk_ecc *, enum mtk_ecc_codec); ++void mtk_ecc_hw_init(struct mtk_ecc *); ++void mtk_ecc_update_strength(u32 *); ++ ++struct mtk_ecc *of_mtk_ecc_get(struct device_node *); ++void mtk_ecc_release(struct mtk_ecc *); ++ ++#endif +--- /dev/null ++++ b/drivers/mtd/nand/mtk_nand.c +@@ -0,0 +1,1432 @@ ++/* ++ * MTK NAND Flash controller driver. ++ * Copyright (C) 2016 MediaTek Inc. ++ * Authors: Xiaolei Li <xiaolei.li@mediatek.com> ++ * Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ */ ++ ++#include <linux/platform_device.h> ++#include <linux/dma-mapping.h> ++#include <linux/interrupt.h> ++#include <linux/delay.h> ++#include <linux/clk.h> ++#include <linux/mtd/nand.h> ++#include <linux/mtd/mtd.h> ++#include <linux/module.h> ++#include <linux/iopoll.h> ++#include <linux/of.h> ++#include "mtk_ecc.h" ++ ++/* NAND controller register definition */ ++#define NFI_CNFG (0x00) ++#define CNFG_AHB BIT(0) ++#define CNFG_READ_EN BIT(1) ++#define CNFG_DMA_BURST_EN BIT(2) ++#define CNFG_BYTE_RW BIT(6) ++#define CNFG_HW_ECC_EN BIT(8) ++#define CNFG_AUTO_FMT_EN BIT(9) ++#define CNFG_OP_CUST (6 << 12) ++#define NFI_PAGEFMT (0x04) ++#define PAGEFMT_FDM_ECC_SHIFT (12) ++#define PAGEFMT_FDM_SHIFT (8) ++#define PAGEFMT_SPARE_16 (0) ++#define PAGEFMT_SPARE_26 (1) ++#define PAGEFMT_SPARE_27 (2) ++#define PAGEFMT_SPARE_28 (3) ++#define PAGEFMT_SPARE_32 (4) ++#define PAGEFMT_SPARE_36 (5) ++#define PAGEFMT_SPARE_40 (6) ++#define PAGEFMT_SPARE_44 (7) ++#define PAGEFMT_SPARE_48 (8) ++#define PAGEFMT_SPARE_49 (9) ++#define PAGEFMT_SPARE_50 (0xa) ++#define PAGEFMT_SPARE_51 (0xb) ++#define PAGEFMT_SPARE_52 (0xc) ++#define PAGEFMT_SPARE_62 (0xd) ++#define PAGEFMT_SPARE_63 (0xe) ++#define PAGEFMT_SPARE_64 (0xf) ++#define PAGEFMT_SPARE_SHIFT (4) ++#define PAGEFMT_SEC_SEL_512 BIT(2) ++#define PAGEFMT_512_2K (0) ++#define PAGEFMT_2K_4K (1) ++#define PAGEFMT_4K_8K (2) ++#define PAGEFMT_8K_16K (3) ++/* NFI control */ ++#define NFI_CON (0x08) ++#define CON_FIFO_FLUSH BIT(0) ++#define CON_NFI_RST BIT(1) ++#define CON_BRD BIT(8) /* burst read */ ++#define CON_BWR BIT(9) /* burst write */ ++#define CON_SEC_SHIFT (12) ++/* Timming control register */ ++#define NFI_ACCCON (0x0C) ++#define NFI_INTR_EN (0x10) ++#define INTR_AHB_DONE_EN BIT(6) ++#define NFI_INTR_STA (0x14) ++#define NFI_CMD (0x20) ++#define NFI_ADDRNOB (0x30) ++#define NFI_COLADDR (0x34) ++#define NFI_ROWADDR (0x38) ++#define NFI_STRDATA (0x40) ++#define STAR_EN (1) ++#define STAR_DE (0) ++#define NFI_CNRNB (0x44) ++#define NFI_DATAW (0x50) ++#define NFI_DATAR (0x54) ++#define NFI_PIO_DIRDY (0x58) ++#define PIO_DI_RDY (0x01) ++#define NFI_STA (0x60) ++#define STA_CMD BIT(0) ++#define STA_ADDR BIT(1) ++#define STA_BUSY BIT(8) ++#define STA_EMP_PAGE BIT(12) ++#define NFI_FSM_CUSTDATA (0xe << 16) ++#define NFI_FSM_MASK (0xf << 16) ++#define NFI_ADDRCNTR (0x70) ++#define CNTR_MASK GENMASK(16, 12) ++#define NFI_STRADDR (0x80) ++#define NFI_BYTELEN (0x84) ++#define NFI_CSEL (0x90) ++#define NFI_FDML(x) (0xA0 + (x) * sizeof(u32) * 2) ++#define NFI_FDMM(x) (0xA4 + (x) * sizeof(u32) * 2) ++#define NFI_FDM_MAX_SIZE (8) ++#define NFI_MASTER_STA (0x224) ++#define MASTER_STA_MASK (0x0FFF) ++#define NFI_EMPTY_THRESH (0x23C) ++ ++#define MTK_NAME "mtk-nand" ++#define KB(x) ((x) * 1024UL) ++#define MB(x) (KB(x) * 1024UL) ++ ++#define MTK_TIMEOUT (500000) ++#define MTK_RESET_TIMEOUT (1000000) ++#define MTK_MAX_SECTOR (16) ++#define MTK_NAND_MAX_NSELS (2) ++ ++typedef void (*bad_mark_swap)(struct mtd_info *, uint8_t *buf, int raw); ++struct mtk_nfc_bad_mark_ctl { ++ bad_mark_swap bm_swap; ++ u32 sec; ++ u32 pos; ++}; ++ ++/* ++ * FDM: region used to store free OOB data ++ */ ++struct mtk_nfc_fdm { ++ u32 reg_size; ++ u32 ecc_size; ++}; ++ ++struct mtk_nfc_nand_chip { ++ struct list_head node; ++ struct nand_chip nand; ++ ++ struct mtk_nfc_bad_mark_ctl bad_mark; ++ struct mtk_nfc_fdm fdm; ++ u32 spare_per_sector; ++ ++ int nsels; ++ u8 sels[0]; ++ /* nothing after this field */ ++}; ++ ++struct mtk_nfc_clk { ++ struct clk *nfi_clk; ++ struct clk *pad_clk; ++}; ++ ++struct mtk_nfc { ++ struct nand_hw_control controller; ++ struct mtk_ecc_config ecc_cfg; ++ struct mtk_nfc_clk clk; ++ struct mtk_ecc *ecc; ++ ++ struct device *dev; ++ void __iomem *regs; ++ ++ struct completion done; ++ struct list_head chips; ++ ++ u8 *buffer; ++}; ++ ++static inline struct mtk_nfc_nand_chip *to_mtk_nand(struct nand_chip *nand) ++{ ++ return container_of(nand, struct mtk_nfc_nand_chip, nand); ++} ++ ++static inline uint8_t *data_ptr(struct nand_chip *chip, const uint8_t *p, int i) ++{ ++ return (uint8_t *) p + i * chip->ecc.size; ++} ++ ++static inline uint8_t *oob_ptr(struct nand_chip *chip, int i) ++{ ++ struct mtk_nfc_nand_chip *mtk_nand = to_mtk_nand(chip); ++ uint8_t *poi; ++ ++ if (i < mtk_nand->bad_mark.sec) ++ poi = chip->oob_poi + (i + 1) * mtk_nand->fdm.reg_size; ++ else if (i == mtk_nand->bad_mark.sec) ++ poi = chip->oob_poi; ++ else ++ poi = chip->oob_poi + i * mtk_nand->fdm.reg_size; ++ ++ return poi; ++} ++ ++static inline int mtk_data_len(struct nand_chip *chip) ++{ ++ struct mtk_nfc_nand_chip *mtk_nand = to_mtk_nand(chip); ++ ++ return chip->ecc.size + mtk_nand->spare_per_sector; ++} ++ ++static inline uint8_t *mtk_data_ptr(struct nand_chip *chip, int i) ++{ ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ ++ return nfc->buffer + i * mtk_data_len(chip); ++} ++ ++static inline uint8_t *mtk_oob_ptr(struct nand_chip *chip, int i) ++{ ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ ++ return nfc->buffer + i * mtk_data_len(chip) + chip->ecc.size; ++} ++ ++static inline void nfi_writel(struct mtk_nfc *nfc, u32 val, u32 reg) ++{ ++ writel(val, nfc->regs + reg); ++} ++ ++static inline void nfi_writew(struct mtk_nfc *nfc, u16 val, u32 reg) ++{ ++ writew(val, nfc->regs + reg); ++} ++ ++static inline void nfi_writeb(struct mtk_nfc *nfc, u8 val, u32 reg) ++{ ++ writeb(val, nfc->regs + reg); ++} ++ ++static inline u32 nfi_readl(struct mtk_nfc *nfc, u32 reg) ++{ ++ return readl_relaxed(nfc->regs + reg); ++} ++ ++static inline u16 nfi_readw(struct mtk_nfc *nfc, u32 reg) ++{ ++ return readw_relaxed(nfc->regs + reg); ++} ++ ++static inline u8 nfi_readb(struct mtk_nfc *nfc, u32 reg) ++{ ++ return readb_relaxed(nfc->regs + reg); ++} ++ ++static void mtk_nfc_hw_reset(struct mtk_nfc *nfc) ++{ ++ struct device *dev = nfc->dev; ++ u32 val; ++ int ret; ++ ++ /* reset all registers and force the NFI master to terminate */ ++ nfi_writel(nfc, CON_FIFO_FLUSH | CON_NFI_RST, NFI_CON); ++ ++ /* wait for the master to finish the last transaction */ ++ ret = readl_poll_timeout(nfc->regs + NFI_MASTER_STA, val, ++ !(val & MASTER_STA_MASK), 50, MTK_RESET_TIMEOUT); ++ if (ret) ++ dev_warn(dev, "master active in reset [0x%x] = 0x%x\n", ++ NFI_MASTER_STA, val); ++ ++ /* ensure any status register affected by the NFI master is reset */ ++ nfi_writel(nfc, CON_FIFO_FLUSH | CON_NFI_RST, NFI_CON); ++ nfi_writew(nfc, STAR_DE, NFI_STRDATA); ++} ++ ++static int mtk_nfc_send_command(struct mtk_nfc *nfc, u8 command) ++{ ++ struct device *dev = nfc->dev; ++ u32 val; ++ int ret; ++ ++ nfi_writel(nfc, command, NFI_CMD); ++ ++ ret = readl_poll_timeout_atomic(nfc->regs + NFI_STA, val, ++ !(val & STA_CMD), 10, MTK_TIMEOUT); ++ if (ret) { ++ dev_warn(dev, "nfi core timed out entering command mode\n"); ++ return -EIO; ++ } ++ ++ return 0; ++} ++ ++static int mtk_nfc_send_address(struct mtk_nfc *nfc, int addr) ++{ ++ struct device *dev = nfc->dev; ++ u32 val; ++ int ret; ++ ++ nfi_writel(nfc, addr, NFI_COLADDR); ++ nfi_writel(nfc, 0, NFI_ROWADDR); ++ nfi_writew(nfc, 1, NFI_ADDRNOB); ++ ++ ret = readl_poll_timeout_atomic(nfc->regs + NFI_STA, val, ++ !(val & STA_ADDR), 10, MTK_TIMEOUT); ++ if (ret) { ++ dev_warn(dev, "nfi core timed out entering address mode\n"); ++ return -EIO; ++ } ++ ++ return 0; ++} ++ ++static int mtk_nfc_hw_runtime_config(struct mtd_info *mtd) ++{ ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct mtk_nfc_nand_chip *mtk_nand = to_mtk_nand(chip); ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ u32 fmt, spare; ++ ++ if (!mtd->writesize) ++ return 0; ++ ++ spare = mtk_nand->spare_per_sector; ++ ++ switch (mtd->writesize) { ++ case 512: ++ fmt = PAGEFMT_512_2K | PAGEFMT_SEC_SEL_512; ++ break; ++ case KB(2): ++ if (chip->ecc.size == 512) ++ fmt = PAGEFMT_2K_4K | PAGEFMT_SEC_SEL_512; ++ else ++ fmt = PAGEFMT_512_2K; ++ break; ++ case KB(4): ++ if (chip->ecc.size == 512) ++ fmt = PAGEFMT_4K_8K | PAGEFMT_SEC_SEL_512; ++ else ++ fmt = PAGEFMT_2K_4K; ++ break; ++ case KB(8): ++ if (chip->ecc.size == 512) ++ fmt = PAGEFMT_8K_16K | PAGEFMT_SEC_SEL_512; ++ else ++ fmt = PAGEFMT_4K_8K; ++ break; ++ case KB(16): ++ fmt = PAGEFMT_8K_16K; ++ break; ++ default: ++ dev_err(nfc->dev, "invalid page len: %d\n", mtd->writesize); ++ return -EINVAL; ++ } ++ ++ /* the hardware doubles the value for this eccsize so let's halve it */ ++ if (chip->ecc.size == 1024) ++ spare >>= 1; ++ ++ switch (spare) { ++ case 16: ++ fmt |= (PAGEFMT_SPARE_16 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 26: ++ fmt |= (PAGEFMT_SPARE_26 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 27: ++ fmt |= (PAGEFMT_SPARE_27 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 28: ++ fmt |= (PAGEFMT_SPARE_28 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 32: ++ fmt |= (PAGEFMT_SPARE_32 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 36: ++ fmt |= (PAGEFMT_SPARE_36 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 40: ++ fmt |= (PAGEFMT_SPARE_40 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 44: ++ fmt |= (PAGEFMT_SPARE_44 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 48: ++ fmt |= (PAGEFMT_SPARE_48 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 49: ++ fmt |= (PAGEFMT_SPARE_49 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 50: ++ fmt |= (PAGEFMT_SPARE_50 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 51: ++ fmt |= (PAGEFMT_SPARE_51 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 52: ++ fmt |= (PAGEFMT_SPARE_52 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 62: ++ fmt |= (PAGEFMT_SPARE_62 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 63: ++ fmt |= (PAGEFMT_SPARE_63 << PAGEFMT_SPARE_SHIFT); ++ break; ++ case 64: ++ fmt |= (PAGEFMT_SPARE_64 << PAGEFMT_SPARE_SHIFT); ++ break; ++ default: ++ dev_err(nfc->dev, "invalid spare per sector %d\n", spare); ++ return -EINVAL; ++ } ++ ++ fmt |= mtk_nand->fdm.reg_size << PAGEFMT_FDM_SHIFT; ++ fmt |= mtk_nand->fdm.ecc_size << PAGEFMT_FDM_ECC_SHIFT; ++ nfi_writew(nfc, fmt, NFI_PAGEFMT); ++ ++ nfc->ecc_cfg.strength = chip->ecc.strength; ++ nfc->ecc_cfg.enc_len = chip->ecc.size + mtk_nand->fdm.ecc_size; ++ nfc->ecc_cfg.dec_len = (nfc->ecc_cfg.enc_len << 3) ++ + chip->ecc.strength * ECC_PARITY_BITS; ++ ++ return 0; ++} ++ ++static void mtk_nfc_select_chip(struct mtd_info *mtd, int chip) ++{ ++ struct nand_chip *nand = mtd_to_nand(mtd); ++ struct mtk_nfc *nfc = nand_get_controller_data(nand); ++ struct mtk_nfc_nand_chip *mtk_nand = to_mtk_nand(nand); ++ ++ if (chip < 0) ++ return; ++ ++ mtk_nfc_hw_runtime_config(mtd); ++ ++ nfi_writel(nfc, mtk_nand->sels[chip], NFI_CSEL); ++} ++ ++static int mtk_nfc_dev_ready(struct mtd_info *mtd) ++{ ++ struct mtk_nfc *nfc = nand_get_controller_data(mtd_to_nand(mtd)); ++ ++ if (nfi_readl(nfc, NFI_STA) & STA_BUSY) ++ return 0; ++ ++ return 1; ++} ++ ++static void mtk_nfc_cmd_ctrl(struct mtd_info *mtd, int dat, unsigned int ctrl) ++{ ++ struct mtk_nfc *nfc = nand_get_controller_data(mtd_to_nand(mtd)); ++ ++ if (ctrl & NAND_ALE) ++ mtk_nfc_send_address(nfc, dat); ++ else if (ctrl & NAND_CLE) { ++ mtk_nfc_hw_reset(nfc); ++ ++ nfi_writew(nfc, CNFG_OP_CUST, NFI_CNFG); ++ mtk_nfc_send_command(nfc, dat); ++ } ++} ++ ++static inline void mtk_nfc_wait_ioready(struct mtk_nfc *nfc) ++{ ++ int rc; ++ u8 val; ++ ++ rc = readb_poll_timeout_atomic(nfc->regs + NFI_PIO_DIRDY, val, ++ val & PIO_DI_RDY, 10, MTK_TIMEOUT); ++ if (rc < 0) ++ dev_err(nfc->dev, "data not ready\n"); ++} ++ ++static inline uint8_t mtk_nfc_read_byte(struct mtd_info *mtd) ++{ ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ u32 reg; ++ ++ reg = nfi_readl(nfc, NFI_STA) & NFI_FSM_MASK; ++ if (reg != NFI_FSM_CUSTDATA) { ++ reg = nfi_readw(nfc, NFI_CNFG); ++ reg |= CNFG_BYTE_RW | CNFG_READ_EN; ++ nfi_writew(nfc, reg, NFI_CNFG); ++ ++ reg = (MTK_MAX_SECTOR << CON_SEC_SHIFT) | CON_BRD; ++ nfi_writel(nfc, reg, NFI_CON); ++ ++ /* trigger to fetch data */ ++ nfi_writew(nfc, STAR_EN, NFI_STRDATA); ++ } ++ ++ mtk_nfc_wait_ioready(nfc); ++ ++ return nfi_readb(nfc, NFI_DATAR); ++} ++ ++static void mtk_nfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len) ++{ ++ int i; ++ ++ for (i = 0; i < len; i++) ++ buf[i] = mtk_nfc_read_byte(mtd); ++} ++ ++static void mtk_nfc_write_byte(struct mtd_info *mtd, uint8_t byte) ++{ ++ struct mtk_nfc *nfc = nand_get_controller_data(mtd_to_nand(mtd)); ++ u32 reg; ++ ++ reg = nfi_readl(nfc, NFI_STA) & NFI_FSM_MASK; ++ ++ if (reg != NFI_FSM_CUSTDATA) { ++ reg = nfi_readw(nfc, NFI_CNFG) | CNFG_BYTE_RW; ++ nfi_writew(nfc, reg, NFI_CNFG); ++ ++ reg = MTK_MAX_SECTOR << CON_SEC_SHIFT | CON_BWR; ++ nfi_writel(nfc, reg, NFI_CON); ++ ++ nfi_writew(nfc, STAR_EN, NFI_STRDATA); ++ } ++ ++ mtk_nfc_wait_ioready(nfc); ++ nfi_writeb(nfc, byte, NFI_DATAW); ++} ++ ++static void mtk_nfc_write_buf(struct mtd_info *mtd, const uint8_t *buf, int len) ++{ ++ int i; ++ ++ for (i = 0; i < len; i++) ++ mtk_nfc_write_byte(mtd, buf[i]); ++} ++ ++static int mtk_nfc_sector_encode(struct nand_chip *chip, u8 *data) ++{ ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ struct mtk_nfc_nand_chip *mtk_nand = to_mtk_nand(chip); ++ int size = chip->ecc.size + mtk_nand->fdm.reg_size; ++ ++ nfc->ecc_cfg.ecc_mode = ECC_DMA_MODE; ++ nfc->ecc_cfg.codec = ECC_ENC; ++ return mtk_ecc_encode_non_nfi_mode(nfc->ecc, &nfc->ecc_cfg, data, size); ++} ++ ++static void mtk_nfc_no_bad_mark_swap(struct mtd_info *a, uint8_t *b, int c) ++{ ++ /* nope */ ++} ++ ++static void mtk_nfc_bad_mark_swap(struct mtd_info *mtd, uint8_t *buf, int raw) ++{ ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct mtk_nfc_nand_chip *nand = to_mtk_nand(chip); ++ u32 bad_pos = nand->bad_mark.pos; ++ ++ if (raw) ++ bad_pos += nand->bad_mark.sec * mtk_data_len(chip); ++ else ++ bad_pos += nand->bad_mark.sec * chip->ecc.size; ++ ++ swap(chip->oob_poi[0], buf[bad_pos]); ++} ++ ++static int mtk_nfc_format_subpage(struct mtd_info *mtd, uint32_t offset, ++ uint32_t len, const uint8_t *buf) ++{ ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct mtk_nfc_nand_chip *mtk_nand = to_mtk_nand(chip); ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ struct mtk_nfc_fdm *fdm = &mtk_nand->fdm; ++ u32 start, end; ++ int i, ret; ++ ++ start = offset / chip->ecc.size; ++ end = DIV_ROUND_UP(offset + len, chip->ecc.size); ++ ++ memset(nfc->buffer, 0xff, mtd->writesize + mtd->oobsize); ++ for (i = 0; i < chip->ecc.steps; i++) { ++ ++ memcpy(mtk_data_ptr(chip, i), data_ptr(chip, buf, i), ++ chip->ecc.size); ++ ++ if (start > i || i >= end) ++ continue; ++ ++ if (i == mtk_nand->bad_mark.sec) ++ mtk_nand->bad_mark.bm_swap(mtd, nfc->buffer, 1); ++ ++ memcpy(mtk_oob_ptr(chip, i), oob_ptr(chip, i), fdm->reg_size); ++ ++ /* program the CRC back to the OOB */ ++ ret = mtk_nfc_sector_encode(chip, mtk_data_ptr(chip, i)); ++ if (ret < 0) ++ return ret; ++ } ++ ++ return 0; ++} ++ ++static void mtk_nfc_format_page(struct mtd_info *mtd, const uint8_t *buf) ++{ ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct mtk_nfc_nand_chip *mtk_nand = to_mtk_nand(chip); ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ struct mtk_nfc_fdm *fdm = &mtk_nand->fdm; ++ u32 i; ++ ++ memset(nfc->buffer, 0xff, mtd->writesize + mtd->oobsize); ++ for (i = 0; i < chip->ecc.steps; i++) { ++ if (buf) ++ memcpy(mtk_data_ptr(chip, i), data_ptr(chip, buf, i), ++ chip->ecc.size); ++ ++ if (i == mtk_nand->bad_mark.sec) ++ mtk_nand->bad_mark.bm_swap(mtd, nfc->buffer, 1); ++ ++ memcpy(mtk_oob_ptr(chip, i), oob_ptr(chip, i), fdm->reg_size); ++ } ++} ++ ++static inline void mtk_nfc_read_fdm(struct nand_chip *chip, u32 start, ++ u32 sectors) ++{ ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ u32 *p; ++ int i; ++ ++ for (i = 0; i < sectors; i++) { ++ p = (u32 *) oob_ptr(chip, start + i); ++ p[0] = nfi_readl(nfc, NFI_FDML(i)); ++ p[1] = nfi_readl(nfc, NFI_FDMM(i)); ++ } ++} ++ ++static inline void mtk_nfc_write_fdm(struct nand_chip *chip) ++{ ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ u32 *p; ++ int i; ++ ++ for (i = 0; i < chip->ecc.steps ; i++) { ++ p = (u32 *) oob_ptr(chip, i); ++ nfi_writel(nfc, p[0], NFI_FDML(i)); ++ nfi_writel(nfc, p[1], NFI_FDMM(i)); ++ } ++} ++ ++static int mtk_nfc_do_write_page(struct mtd_info *mtd, struct nand_chip *chip, ++ const uint8_t *buf, int page, int len) ++{ ++ ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ struct device *dev = nfc->dev; ++ dma_addr_t addr; ++ u32 reg; ++ int ret; ++ ++ addr = dma_map_single(dev, (void *) buf, len, DMA_TO_DEVICE); ++ ret = dma_mapping_error(nfc->dev, addr); ++ if (ret) { ++ dev_err(nfc->dev, "dma mapping error\n"); ++ return -EINVAL; ++ } ++ ++ reg = nfi_readw(nfc, NFI_CNFG) | CNFG_AHB | CNFG_DMA_BURST_EN; ++ nfi_writew(nfc, reg, NFI_CNFG); ++ ++ nfi_writel(nfc, chip->ecc.steps << CON_SEC_SHIFT, NFI_CON); ++ nfi_writel(nfc, lower_32_bits(addr), NFI_STRADDR); ++ nfi_writew(nfc, INTR_AHB_DONE_EN, NFI_INTR_EN); ++ ++ init_completion(&nfc->done); ++ ++ reg = nfi_readl(nfc, NFI_CON) | CON_BWR; ++ nfi_writel(nfc, reg, NFI_CON); ++ nfi_writew(nfc, STAR_EN, NFI_STRDATA); ++ ++ ret = wait_for_completion_timeout(&nfc->done, msecs_to_jiffies(500)); ++ if (!ret) { ++ dev_err(dev, "program ahb done timeout\n"); ++ nfi_writew(nfc, 0, NFI_INTR_EN); ++ ret = -ETIMEDOUT; ++ goto timeout; ++ } ++ ++ ret = readl_poll_timeout_atomic(nfc->regs + NFI_ADDRCNTR, reg, ++ (reg & CNTR_MASK) >= chip->ecc.steps, 10, MTK_TIMEOUT); ++ if (ret) ++ dev_err(dev, "hwecc write timeout\n"); ++ ++timeout: ++ ++ dma_unmap_single(nfc->dev, addr, len, DMA_TO_DEVICE); ++ nfi_writel(nfc, 0, NFI_CON); ++ ++ return ret; ++} ++ ++static int mtk_nfc_write_page(struct mtd_info *mtd, struct nand_chip *chip, ++ const uint8_t *buf, int page, int raw) ++{ ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ struct mtk_nfc_nand_chip *mtk_nand = to_mtk_nand(chip); ++ size_t len; ++ const u8 *bufpoi; ++ u32 reg; ++ int ret; ++ ++ if (!raw) { ++ /* OOB => FDM: from register, ECC: from HW */ ++ reg = nfi_readw(nfc, NFI_CNFG) | CNFG_AUTO_FMT_EN; ++ nfi_writew(nfc, reg | CNFG_HW_ECC_EN, NFI_CNFG); ++ ++ nfc->ecc_cfg.codec = ECC_ENC; ++ nfc->ecc_cfg.ecc_mode = ECC_NFI_MODE; ++ ret = mtk_ecc_enable(nfc->ecc, &nfc->ecc_cfg); ++ if (ret) { ++ /* clear NFI config */ ++ reg = nfi_readw(nfc, NFI_CNFG); ++ reg &= ~(CNFG_AUTO_FMT_EN | CNFG_HW_ECC_EN); ++ nfi_writew(nfc, reg, NFI_CNFG); ++ ++ return ret; ++ } ++ ++ memcpy(nfc->buffer, buf, mtd->writesize); ++ mtk_nand->bad_mark.bm_swap(mtd, nfc->buffer, raw); ++ bufpoi = nfc->buffer; ++ ++ /* write OOB into the FDM registers (OOB area in MTK NAND) */ ++ mtk_nfc_write_fdm(chip); ++ } else ++ bufpoi = buf; ++ ++ len = mtd->writesize + (raw ? mtd->oobsize : 0); ++ ret = mtk_nfc_do_write_page(mtd, chip, bufpoi, page, len); ++ ++ if (!raw) ++ mtk_ecc_disable(nfc->ecc, &nfc->ecc_cfg); ++ ++ return ret; ++} ++ ++static int mtk_nfc_write_page_hwecc(struct mtd_info *mtd, ++ struct nand_chip *chip, const uint8_t *buf, int oob_on, int page) ++{ ++ return mtk_nfc_write_page(mtd, chip, buf, page, 0); ++} ++ ++static int mtk_nfc_write_page_raw(struct mtd_info *mtd, struct nand_chip *chip, ++ const uint8_t *buf, int oob_on, int pg) ++{ ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ ++ mtk_nfc_format_page(mtd, buf); ++ return mtk_nfc_write_page(mtd, chip, nfc->buffer, pg, 1); ++} ++ ++static int mtk_nfc_write_subpage_hwecc(struct mtd_info *mtd, ++ struct nand_chip *chip, uint32_t offset, uint32_t data_len, ++ const uint8_t *buf, int oob_on, int page) ++{ ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ int ret; ++ ++ ret = mtk_nfc_format_subpage(mtd, offset, data_len, buf); ++ if (ret < 0) ++ return ret; ++ ++ /* use the data in the private buffer (now with FDM and CRC) */ ++ return mtk_nfc_write_page(mtd, chip, nfc->buffer, page, 1); ++} ++ ++static int mtk_nfc_write_oob_std(struct mtd_info *mtd, struct nand_chip *chip, ++ int page) ++{ ++ int ret; ++ ++ chip->cmdfunc(mtd, NAND_CMD_SEQIN, 0x00, page); ++ ++ ret = mtk_nfc_write_page_raw(mtd, chip, NULL, 1, page); ++ if (ret < 0) ++ return -EIO; ++ ++ chip->cmdfunc(mtd, NAND_CMD_PAGEPROG, -1, -1); ++ ret = chip->waitfunc(mtd, chip); ++ ++ return ret & NAND_STATUS_FAIL ? -EIO : 0; ++} ++ ++static int mtk_nfc_update_ecc_stats(struct mtd_info *mtd, u8 *buf, u32 sectors) ++{ ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ struct mtk_nfc_nand_chip *mtk_nand = to_mtk_nand(chip); ++ struct mtk_ecc_stats stats; ++ int rc, i; ++ ++ rc = nfi_readl(nfc, NFI_STA) & STA_EMP_PAGE; ++ if (rc) { ++ memset(buf, 0xff, sectors * chip->ecc.size); ++ for (i = 0; i < sectors; i++) ++ memset(oob_ptr(chip, i), 0xff, mtk_nand->fdm.reg_size); ++ return 0; ++ } ++ ++ mtk_ecc_get_stats(nfc->ecc, &stats, sectors); ++ mtd->ecc_stats.corrected += stats.corrected; ++ mtd->ecc_stats.failed += stats.failed; ++ ++ return stats.bitflips; ++} ++ ++static int mtk_nfc_read_subpage(struct mtd_info *mtd, struct nand_chip *chip, ++ uint32_t data_offs, uint32_t readlen, uint8_t *bufpoi, ++ int page, int raw) ++{ ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ struct mtk_nfc_nand_chip *mtk_nand = to_mtk_nand(chip); ++ u32 spare = mtk_nand->spare_per_sector; ++ u32 column, sectors, start, end, reg; ++ dma_addr_t addr; ++ int bitflips; ++ size_t len; ++ u8 *buf; ++ int rc; ++ ++ start = data_offs / chip->ecc.size; ++ end = DIV_ROUND_UP(data_offs + readlen, chip->ecc.size); ++ ++ sectors = end - start; ++ column = start * (chip->ecc.size + spare); ++ ++ len = sectors * chip->ecc.size + (raw ? sectors * spare : 0); ++ buf = bufpoi + start * chip->ecc.size; ++ ++ if (column != 0) ++ chip->cmdfunc(mtd, NAND_CMD_RNDOUT, column, -1); ++ ++ addr = dma_map_single(nfc->dev, buf, len, DMA_FROM_DEVICE); ++ rc = dma_mapping_error(nfc->dev, addr); ++ if (rc) { ++ dev_err(nfc->dev, "dma mapping error\n"); ++ ++ return -EINVAL; ++ } ++ ++ reg = nfi_readw(nfc, NFI_CNFG); ++ reg |= CNFG_READ_EN | CNFG_DMA_BURST_EN | CNFG_AHB; ++ if (!raw) { ++ reg |= CNFG_AUTO_FMT_EN | CNFG_HW_ECC_EN; ++ nfi_writew(nfc, reg, NFI_CNFG); ++ ++ nfc->ecc_cfg.ecc_mode = ECC_NFI_MODE; ++ nfc->ecc_cfg.sec_mask = sectors; ++ nfc->ecc_cfg.codec = ECC_DEC; ++ rc = mtk_ecc_enable(nfc->ecc, &nfc->ecc_cfg); ++ if (rc) { ++ dev_err(nfc->dev, "ecc enable\n"); ++ /* clear NFI_CNFG */ ++ reg &= ~(CNFG_DMA_BURST_EN | CNFG_AHB | CNFG_READ_EN | ++ CNFG_AUTO_FMT_EN | CNFG_HW_ECC_EN); ++ nfi_writew(nfc, reg, NFI_CNFG); ++ dma_unmap_single(nfc->dev, addr, len, DMA_FROM_DEVICE); ++ ++ return rc; ++ } ++ } else ++ nfi_writew(nfc, reg, NFI_CNFG); ++ ++ nfi_writel(nfc, sectors << CON_SEC_SHIFT, NFI_CON); ++ nfi_writew(nfc, INTR_AHB_DONE_EN, NFI_INTR_EN); ++ nfi_writel(nfc, lower_32_bits(addr), NFI_STRADDR); ++ ++ init_completion(&nfc->done); ++ reg = nfi_readl(nfc, NFI_CON) | CON_BRD; ++ nfi_writel(nfc, reg, NFI_CON); ++ nfi_writew(nfc, STAR_EN, NFI_STRDATA); ++ ++ rc = wait_for_completion_timeout(&nfc->done, msecs_to_jiffies(500)); ++ if (!rc) ++ dev_warn(nfc->dev, "read ahb/dma done timeout\n"); ++ ++ rc = readl_poll_timeout_atomic(nfc->regs + NFI_BYTELEN, reg, ++ (reg & CNTR_MASK) >= sectors, 10, MTK_TIMEOUT); ++ if (rc < 0) { ++ dev_err(nfc->dev, "subpage done timeout\n"); ++ bitflips = -EIO; ++ } else { ++ bitflips = 0; ++ if (!raw) { ++ rc = mtk_ecc_wait_irq_done(nfc->ecc, ECC_DEC); ++ bitflips = rc < 0 ? -ETIMEDOUT : ++ mtk_nfc_update_ecc_stats(mtd, buf, sectors); ++ mtk_nfc_read_fdm(chip, start, sectors); ++ } ++ } ++ ++ dma_unmap_single(nfc->dev, addr, len, DMA_FROM_DEVICE); ++ ++ if (raw) ++ goto done; ++ ++ mtk_ecc_disable(nfc->ecc, &nfc->ecc_cfg); ++ ++ if (clamp(mtk_nand->bad_mark.sec, start, end) == mtk_nand->bad_mark.sec) ++ mtk_nand->bad_mark.bm_swap(mtd, bufpoi, raw); ++done: ++ nfi_writel(nfc, 0, NFI_CON); ++ ++ return bitflips; ++} ++ ++static int mtk_nfc_read_subpage_hwecc(struct mtd_info *mtd, ++ struct nand_chip *chip, uint32_t off, uint32_t len, uint8_t *p, int pg) ++{ ++ return mtk_nfc_read_subpage(mtd, chip, off, len, p, pg, 0); ++} ++ ++static int mtk_nfc_read_page_hwecc(struct mtd_info *mtd, ++ struct nand_chip *chip, uint8_t *p, int oob_on, int pg) ++{ ++ return mtk_nfc_read_subpage(mtd, chip, 0, mtd->writesize, p, pg, 0); ++} ++ ++static int mtk_nfc_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip, ++ uint8_t *buf, int oob_on, int page) ++{ ++ struct mtk_nfc_nand_chip *mtk_nand = to_mtk_nand(chip); ++ struct mtk_nfc *nfc = nand_get_controller_data(chip); ++ struct mtk_nfc_fdm *fdm = &mtk_nand->fdm; ++ int i, ret; ++ ++ memset(nfc->buffer, 0xff, mtd->writesize + mtd->oobsize); ++ ret = mtk_nfc_read_subpage(mtd, chip, 0, mtd->writesize, nfc->buffer, ++ page, 1); ++ if (ret < 0) ++ return ret; ++ ++ for (i = 0; i < chip->ecc.steps; i++) { ++ memcpy(oob_ptr(chip, i), mtk_oob_ptr(chip, i), fdm->reg_size); ++ if (i == mtk_nand->bad_mark.sec) ++ mtk_nand->bad_mark.bm_swap(mtd, nfc->buffer, 1); ++ ++ if (buf) ++ memcpy(data_ptr(chip, buf, i), mtk_data_ptr(chip, i), ++ chip->ecc.size); ++ } ++ ++ return ret; ++} ++ ++static int mtk_nfc_read_oob_std(struct mtd_info *mtd, struct nand_chip *chip, ++ int page) ++{ ++ chip->cmdfunc(mtd, NAND_CMD_READ0, 0, page); ++ ++ return mtk_nfc_read_page_raw(mtd, chip, NULL, 1, page); ++} ++ ++static inline void mtk_nfc_hw_init(struct mtk_nfc *nfc) ++{ ++ nfi_writel(nfc, 0x10804211, NFI_ACCCON); ++ nfi_writew(nfc, 0xf1, NFI_CNRNB); ++ nfi_writew(nfc, PAGEFMT_8K_16K, NFI_PAGEFMT); ++ ++ mtk_nfc_hw_reset(nfc); ++ ++ nfi_readl(nfc, NFI_INTR_STA); ++ nfi_writel(nfc, 0, NFI_INTR_EN); ++} ++ ++static irqreturn_t mtk_nfc_irq(int irq, void *id) ++{ ++ struct mtk_nfc *nfc = id; ++ u16 sta, ien; ++ ++ sta = nfi_readw(nfc, NFI_INTR_STA); ++ ien = nfi_readw(nfc, NFI_INTR_EN); ++ ++ if (!(sta & ien)) ++ return IRQ_NONE; ++ ++ nfi_writew(nfc, ~sta & ien, NFI_INTR_EN); ++ complete(&nfc->done); ++ ++ return IRQ_HANDLED; ++} ++ ++static int mtk_nfc_enable_clk(struct device *dev, struct mtk_nfc_clk *clk) ++{ ++ int ret; ++ ++ ret = clk_prepare_enable(clk->nfi_clk); ++ if (ret) { ++ dev_err(dev, "failed to enable nfi clk\n"); ++ return ret; ++ } ++ ++ ret = clk_prepare_enable(clk->pad_clk); ++ if (ret) { ++ dev_err(dev, "failed to enable pad clk\n"); ++ clk_disable_unprepare(clk->nfi_clk); ++ return ret; ++ } ++ ++ return 0; ++} ++ ++static void mtk_nfc_disable_clk(struct mtk_nfc_clk *clk) ++{ ++ clk_disable_unprepare(clk->nfi_clk); ++ clk_disable_unprepare(clk->pad_clk); ++} ++ ++static int mtk_nfc_ooblayout_free(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oob_region) ++{ ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct mtk_nfc_nand_chip *mtk_nand = to_mtk_nand(chip); ++ struct mtk_nfc_fdm *fdm = &mtk_nand->fdm; ++ u32 eccsteps; ++ ++ eccsteps = mtd->writesize / chip->ecc.size; ++ ++ if (section >= eccsteps) ++ return -ERANGE; ++ ++ oob_region->length = fdm->reg_size - fdm->ecc_size; ++ oob_region->offset = section * fdm->reg_size + fdm->ecc_size; ++ ++ return 0; ++} ++ ++static int mtk_nfc_ooblayout_ecc(struct mtd_info *mtd, int section, ++ struct mtd_oob_region *oob_region) ++{ ++ struct nand_chip *chip = mtd_to_nand(mtd); ++ struct mtk_nfc_nand_chip *mtk_nand = to_mtk_nand(chip); ++ u32 eccsteps; ++ ++ if (section) ++ return -ERANGE; ++ ++ eccsteps = mtd->writesize / chip->ecc.size; ++ oob_region->offset = mtk_nand->fdm.reg_size * eccsteps; ++ oob_region->length = mtd->oobsize - oob_region->offset; ++ ++ return 0; ++} ++ ++static const struct mtd_ooblayout_ops mtk_nfc_ooblayout_ops = { ++ .free = mtk_nfc_ooblayout_free, ++ .ecc = mtk_nfc_ooblayout_ecc, ++}; ++ ++static void mtk_nfc_set_fdm(struct mtk_nfc_fdm *fdm, struct mtd_info *mtd) ++{ ++ struct nand_chip *nand = mtd_to_nand(mtd); ++ struct mtk_nfc_nand_chip *chip = to_mtk_nand(nand); ++ u32 ecc_bytes; ++ ++ ecc_bytes = DIV_ROUND_UP(nand->ecc.strength * ECC_PARITY_BITS, 8); ++ ++ fdm->reg_size = chip->spare_per_sector - ecc_bytes; ++ if (fdm->reg_size > NFI_FDM_MAX_SIZE) ++ fdm->reg_size = NFI_FDM_MAX_SIZE; ++ ++ /* bad block mark storage */ ++ fdm->ecc_size = 1; ++} ++ ++static void mtk_nfc_set_bad_mark_ctl(struct mtk_nfc_bad_mark_ctl *bm_ctl, ++ struct mtd_info *mtd) ++{ ++ struct nand_chip *nand = mtd_to_nand(mtd); ++ ++ if (mtd->writesize == 512) ++ bm_ctl->bm_swap = mtk_nfc_no_bad_mark_swap; ++ else { ++ bm_ctl->bm_swap = mtk_nfc_bad_mark_swap; ++ bm_ctl->sec = mtd->writesize / mtk_data_len(nand); ++ bm_ctl->pos = mtd->writesize % mtk_data_len(nand); ++ } ++} ++ ++static void mtk_nfc_set_spare_per_sector(u32 *sps, struct mtd_info *mtd) ++{ ++ struct nand_chip *nand = mtd_to_nand(mtd); ++ u32 spare[] = {16, 26, 27, 28, 32, 36, 40, 44, ++ 48, 49, 50, 51, 52, 62, 63, 64}; ++ u32 eccsteps, i; ++ ++ eccsteps = mtd->writesize / nand->ecc.size; ++ *sps = mtd->oobsize / eccsteps; ++ ++ if (nand->ecc.size == 1024) ++ *sps >>= 1; ++ ++ for (i = 0; i < ARRAY_SIZE(spare); i++) { ++ if (*sps <= spare[i]) { ++ if (!i) ++ *sps = spare[i]; ++ else if (*sps != spare[i]) ++ *sps = spare[i - 1]; ++ break; ++ } ++ } ++ ++ if (i >= ARRAY_SIZE(spare)) ++ *sps = spare[ARRAY_SIZE(spare) - 1]; ++ ++ if (nand->ecc.size == 1024) ++ *sps <<= 1; ++} ++ ++static int mtk_nfc_ecc_init(struct device *dev, struct mtd_info *mtd) ++{ ++ struct nand_chip *nand = mtd_to_nand(mtd); ++ u32 spare; ++ ++ /* support only ecc hw mode */ ++ if (nand->ecc.mode != NAND_ECC_HW) { ++ dev_err(dev, "ecc.mode not supported\n"); ++ return -EINVAL; ++ } ++ ++ /* if optional DT settings are not present */ ++ if (!nand->ecc.size || !nand->ecc.strength) { ++ ++ /* controller only supports sizes 512 and 1024 */ ++ nand->ecc.size = (mtd->writesize > 512) ? 1024 : 512; ++ ++ /* get controller valid values */ ++ mtk_nfc_set_spare_per_sector(&spare, mtd); ++ spare = spare - NFI_FDM_MAX_SIZE; ++ nand->ecc.strength = (spare << 3) / ECC_PARITY_BITS; ++ } ++ ++ mtk_ecc_update_strength(&nand->ecc.strength); ++ ++ dev_info(dev, "eccsize %d eccstrength %d\n", ++ nand->ecc.size, nand->ecc.strength); ++ ++ return 0; ++} ++ ++static int mtk_nfc_nand_chip_init(struct device *dev, struct mtk_nfc *nfc, ++ struct device_node *np) ++{ ++ struct mtk_nfc_nand_chip *chip; ++ struct nand_chip *nand; ++ struct mtd_info *mtd; ++ int nsels, len; ++ u32 tmp; ++ int ret; ++ int i; ++ ++ if (!of_get_property(np, "reg", &nsels)) ++ return -ENODEV; ++ ++ nsels /= sizeof(u32); ++ if (!nsels || nsels > MTK_NAND_MAX_NSELS) { ++ dev_err(dev, "invalid reg property size %d\n", nsels); ++ return -EINVAL; ++ } ++ ++ chip = devm_kzalloc(dev, ++ sizeof(*chip) + nsels * sizeof(u8), GFP_KERNEL); ++ if (!chip) ++ return -ENOMEM; ++ ++ chip->nsels = nsels; ++ for (i = 0; i < nsels; i++) { ++ ret = of_property_read_u32_index(np, "reg", i, &tmp); ++ if (ret) { ++ dev_err(dev, "reg property failure : %d\n", ret); ++ return ret; ++ } ++ chip->sels[i] = tmp; ++ } ++ ++ nand = &chip->nand; ++ nand->controller = &nfc->controller; ++ ++ nand_set_flash_node(nand, np); ++ nand_set_controller_data(nand, nfc); ++ ++ nand->options |= NAND_USE_BOUNCE_BUFFER | NAND_SUBPAGE_READ; ++ nand->dev_ready = mtk_nfc_dev_ready; ++ nand->select_chip = mtk_nfc_select_chip; ++ nand->write_byte = mtk_nfc_write_byte; ++ nand->write_buf = mtk_nfc_write_buf; ++ nand->read_byte = mtk_nfc_read_byte; ++ nand->read_buf = mtk_nfc_read_buf; ++ nand->cmd_ctrl = mtk_nfc_cmd_ctrl; ++ ++ /* set default mode in case dt entry is missing */ ++ nand->ecc.mode = NAND_ECC_HW; ++ ++ nand->ecc.write_subpage = mtk_nfc_write_subpage_hwecc; ++ nand->ecc.write_page_raw = mtk_nfc_write_page_raw; ++ nand->ecc.write_page = mtk_nfc_write_page_hwecc; ++ nand->ecc.write_oob_raw = mtk_nfc_write_oob_std; ++ nand->ecc.write_oob = mtk_nfc_write_oob_std; ++ ++ nand->ecc.read_subpage = mtk_nfc_read_subpage_hwecc; ++ nand->ecc.read_page_raw = mtk_nfc_read_page_raw; ++ nand->ecc.read_page = mtk_nfc_read_page_hwecc; ++ nand->ecc.read_oob_raw = mtk_nfc_read_oob_std; ++ nand->ecc.read_oob = mtk_nfc_read_oob_std; ++ ++ mtd = nand_to_mtd(nand); ++ mtd->owner = THIS_MODULE; ++ mtd->dev.parent = dev; ++ mtd->name = MTK_NAME; ++ mtd_set_ooblayout(mtd, &mtk_nfc_ooblayout_ops); ++ ++ mtk_nfc_hw_init(nfc); ++ ++ ret = nand_scan_ident(mtd, nsels, NULL); ++ if (ret) ++ return -ENODEV; ++ ++ /* store bbt magic in page, cause OOB is not protected */ ++ if (nand->bbt_options & NAND_BBT_USE_FLASH) ++ nand->bbt_options |= NAND_BBT_NO_OOB; ++ ++ ret = mtk_nfc_ecc_init(dev, mtd); ++ if (ret) ++ return -EINVAL; ++ ++ mtk_nfc_set_spare_per_sector(&chip->spare_per_sector, mtd); ++ mtk_nfc_set_fdm(&chip->fdm, mtd); ++ mtk_nfc_set_bad_mark_ctl(&chip->bad_mark, mtd); ++ ++ len = mtd->writesize + mtd->oobsize; ++ nfc->buffer = devm_kzalloc(dev, len, GFP_KERNEL); ++ if (!nfc->buffer) ++ return -ENOMEM; ++ ++ ret = nand_scan_tail(mtd); ++ if (ret) ++ return -ENODEV; ++ ++ ret = mtd_device_parse_register(mtd, NULL, NULL, NULL, 0); ++ if (ret) { ++ dev_err(dev, "mtd parse partition error\n"); ++ nand_release(mtd); ++ return ret; ++ } ++ ++ list_add_tail(&chip->node, &nfc->chips); ++ ++ return 0; ++} ++ ++static int mtk_nfc_nand_chips_init(struct device *dev, struct mtk_nfc *nfc) ++{ ++ struct device_node *np = dev->of_node; ++ struct device_node *nand_np; ++ int ret; ++ ++ for_each_child_of_node(np, nand_np) { ++ ret = mtk_nfc_nand_chip_init(dev, nfc, nand_np); ++ if (ret) { ++ of_node_put(nand_np); ++ return ret; ++ } ++ } ++ ++ return 0; ++} ++ ++static int mtk_nfc_probe(struct platform_device *pdev) ++{ ++ struct device *dev = &pdev->dev; ++ struct device_node *np = dev->of_node; ++ struct mtk_nfc *nfc; ++ struct resource *res; ++ int ret, irq; ++ ++ nfc = devm_kzalloc(dev, sizeof(*nfc), GFP_KERNEL); ++ if (!nfc) ++ return -ENOMEM; ++ ++ spin_lock_init(&nfc->controller.lock); ++ init_waitqueue_head(&nfc->controller.wq); ++ INIT_LIST_HEAD(&nfc->chips); ++ ++ /* probe defer if not ready */ ++ nfc->ecc = of_mtk_ecc_get(np); ++ if (IS_ERR(nfc->ecc)) ++ return PTR_ERR(nfc->ecc); ++ else if (!nfc->ecc) ++ return -ENODEV; ++ ++ nfc->dev = dev; ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ nfc->regs = devm_ioremap_resource(dev, res); ++ if (IS_ERR(nfc->regs)) { ++ ret = PTR_ERR(nfc->regs); ++ dev_err(dev, "no nfi base\n"); ++ goto release_ecc; ++ } ++ ++ nfc->clk.nfi_clk = devm_clk_get(dev, "nfi_clk"); ++ if (IS_ERR(nfc->clk.nfi_clk)) { ++ dev_err(dev, "no clk\n"); ++ ret = PTR_ERR(nfc->clk.nfi_clk); ++ goto release_ecc; ++ } ++ ++ nfc->clk.pad_clk = devm_clk_get(dev, "pad_clk"); ++ if (IS_ERR(nfc->clk.pad_clk)) { ++ dev_err(dev, "no pad clk\n"); ++ ret = PTR_ERR(nfc->clk.pad_clk); ++ goto release_ecc; ++ } ++ ++ ret = mtk_nfc_enable_clk(dev, &nfc->clk); ++ if (ret) ++ goto release_ecc; ++ ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) { ++ dev_err(dev, "no nfi irq resource\n"); ++ ret = -EINVAL; ++ goto clk_disable; ++ } ++ ++ ret = devm_request_irq(dev, irq, mtk_nfc_irq, 0x0, "mtk-nand", nfc); ++ if (ret) { ++ dev_err(dev, "failed to request nfi irq\n"); ++ goto clk_disable; ++ } ++ ++ ret = dma_set_mask(dev, DMA_BIT_MASK(32)); ++ if (ret) { ++ dev_err(dev, "failed to set dma mask\n"); ++ goto clk_disable; ++ } ++ ++ platform_set_drvdata(pdev, nfc); ++ ++ ret = mtk_nfc_nand_chips_init(dev, nfc); ++ if (ret) { ++ dev_err(dev, "failed to init nand chips\n"); ++ goto clk_disable; ++ } ++ ++ return 0; ++ ++clk_disable: ++ mtk_nfc_disable_clk(&nfc->clk); ++ ++release_ecc: ++ mtk_ecc_release(nfc->ecc); ++ ++ return ret; ++} ++ ++static int mtk_nfc_remove(struct platform_device *pdev) ++{ ++ struct mtk_nfc *nfc = platform_get_drvdata(pdev); ++ struct mtk_nfc_nand_chip *chip; ++ ++ while (!list_empty(&nfc->chips)) { ++ chip = list_first_entry(&nfc->chips, struct mtk_nfc_nand_chip, ++ node); ++ nand_release(nand_to_mtd(&chip->nand)); ++ list_del(&chip->node); ++ } ++ ++ mtk_ecc_release(nfc->ecc); ++ mtk_nfc_disable_clk(&nfc->clk); ++ ++ return 0; ++} ++ ++#ifdef CONFIG_PM_SLEEP ++static int mtk_nfc_suspend(struct device *dev) ++{ ++ struct mtk_nfc *nfc = dev_get_drvdata(dev); ++ ++ mtk_nfc_disable_clk(&nfc->clk); ++ ++ return 0; ++} ++ ++static int mtk_nfc_resume(struct device *dev) ++{ ++ struct mtk_nfc *nfc = dev_get_drvdata(dev); ++ struct mtk_nfc_nand_chip *chip; ++ struct nand_chip *nand; ++ struct mtd_info *mtd; ++ int ret; ++ u32 i; ++ ++ udelay(200); ++ ++ ret = mtk_nfc_enable_clk(dev, &nfc->clk); ++ if (ret) ++ return ret; ++ ++ mtk_nfc_hw_init(nfc); ++ ++ list_for_each_entry(chip, &nfc->chips, node) { ++ nand = &chip->nand; ++ mtd = nand_to_mtd(nand); ++ for (i = 0; i < chip->nsels; i++) { ++ nand->select_chip(mtd, i); ++ nand->cmdfunc(mtd, NAND_CMD_RESET, -1, -1); ++ } ++ } ++ ++ return 0; ++} ++static SIMPLE_DEV_PM_OPS(mtk_nfc_pm_ops, mtk_nfc_suspend, mtk_nfc_resume); ++#endif ++ ++static const struct of_device_id mtk_nfc_id_table[] = { ++ { .compatible = "mediatek,mt2701-nfc" }, ++ {} ++}; ++MODULE_DEVICE_TABLE(of, mtk_nfc_id_table); ++ ++static struct platform_driver mtk_nfc_driver = { ++ .probe = mtk_nfc_probe, ++ .remove = mtk_nfc_remove, ++ .driver = { ++ .name = MTK_NAME, ++ .of_match_table = mtk_nfc_id_table, ++#ifdef CONFIG_PM_SLEEP ++ .pm = &mtk_nfc_pm_ops, ++#endif ++ }, ++}; ++ ++module_platform_driver(mtk_nfc_driver); ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("Xiaolei Li <xiaolei.li@mediatek.com>"); ++MODULE_AUTHOR("Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>"); ++MODULE_DESCRIPTION("MTK Nand Flash Controller Driver"); diff --git a/target/linux/mediatek/patches-4.4/0076-mtd-nand-add-power-domains-to-the-mediatek-driver.patch b/target/linux/mediatek/patches-4.4/0076-mtd-nand-add-power-domains-to-the-mediatek-driver.patch new file mode 100644 index 0000000000..7702246a4c --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0076-mtd-nand-add-power-domains-to-the-mediatek-driver.patch @@ -0,0 +1,67 @@ +From 5dc0d474396e04e6c140d71f0e113eb1c03501c5 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Tue, 17 May 2016 05:44:10 +0200 +Subject: [PATCH 076/102] mtd: nand: add power domains to the mediatek driver + +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/mtd/nand/mtk_nand.c | 13 ++++++++++++- + 1 file changed, 12 insertions(+), 1 deletion(-) + +--- a/drivers/mtd/nand/mtk_nand.c ++++ b/drivers/mtd/nand/mtk_nand.c +@@ -16,6 +16,7 @@ + + #include <linux/platform_device.h> + #include <linux/dma-mapping.h> ++#include <linux/pm_runtime.h> + #include <linux/interrupt.h> + #include <linux/delay.h> + #include <linux/clk.h> +@@ -102,6 +103,7 @@ + #define NFI_MASTER_STA (0x224) + #define MASTER_STA_MASK (0x0FFF) + #define NFI_EMPTY_THRESH (0x23C) ++#define NFI_ACCCON1 (0x244) + + #define MTK_NAME "mtk-nand" + #define KB(x) ((x) * 1024UL) +@@ -539,6 +541,8 @@ static void mtk_nfc_bad_mark_swap(struct + struct mtk_nfc_nand_chip *nand = to_mtk_nand(chip); + u32 bad_pos = nand->bad_mark.pos; + ++ return; ++ + if (raw) + bad_pos += nand->bad_mark.sec * mtk_data_len(chip); + else +@@ -946,7 +950,8 @@ static int mtk_nfc_read_oob_std(struct m + + static inline void mtk_nfc_hw_init(struct mtk_nfc *nfc) + { +- nfi_writel(nfc, 0x10804211, NFI_ACCCON); ++ nfi_writel(nfc, 0x30c77fff, NFI_ACCCON); ++ nfi_writel(nfc, 0xC03222, NFI_ACCCON1); + nfi_writew(nfc, 0xf1, NFI_CNRNB); + nfi_writew(nfc, PAGEFMT_8K_16K, NFI_PAGEFMT); + +@@ -1328,6 +1333,9 @@ static int mtk_nfc_probe(struct platform + goto clk_disable; + } + ++ pm_runtime_enable(dev); ++ pm_runtime_get_sync(dev); ++ + platform_set_drvdata(pdev, nfc); + + ret = mtk_nfc_nand_chips_init(dev, nfc); +@@ -1362,6 +1370,9 @@ static int mtk_nfc_remove(struct platfor + mtk_ecc_release(nfc->ecc); + mtk_nfc_disable_clk(&nfc->clk); + ++ pm_runtime_put_sync(&pdev->dev); ++ pm_runtime_disable(&pdev->dev); ++ + return 0; + } + diff --git a/target/linux/mediatek/patches-4.4/0077-net-next-mediatek-use-mdiobus_free-in-favour-of-kfre.patch b/target/linux/mediatek/patches-4.4/0077-net-next-mediatek-use-mdiobus_free-in-favour-of-kfre.patch new file mode 100644 index 0000000000..c2fe21825c --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0077-net-next-mediatek-use-mdiobus_free-in-favour-of-kfre.patch @@ -0,0 +1,36 @@ +From b1c85818c3fb00022dc125bb62d657d3fd3cf49c Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Sat, 7 May 2016 06:31:08 +0200 +Subject: [PATCH 077/102] net-next: mediatek: use mdiobus_free() in favour of + kfree() + +The driver currently uses kfree() to clear the mii_bus. This is not the +correct way to clear the memory and mdiobus_free() should be used instead. +This patch fixes the two instances where this happens in the driver. + +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -280,7 +280,7 @@ static int mtk_mdio_init(struct mtk_eth + return 0; + + err_free_bus: +- kfree(eth->mii_bus); ++ mdiobus_free(eth->mii_bus); + + err_put_node: + of_node_put(mii_np); +@@ -295,7 +295,7 @@ static void mtk_mdio_cleanup(struct mtk_ + + mdiobus_unregister(eth->mii_bus); + of_node_put(eth->mii_bus->dev.of_node); +- kfree(eth->mii_bus); ++ mdiobus_free(eth->mii_bus); + } + + static inline void mtk_irq_disable(struct mtk_eth *eth, u32 mask) diff --git a/target/linux/mediatek/patches-4.4/0078-net-next-mediatek-fix-gigabit-and-flow-control-adver.patch b/target/linux/mediatek/patches-4.4/0078-net-next-mediatek-fix-gigabit-and-flow-control-adver.patch new file mode 100644 index 0000000000..42adb9e786 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0078-net-next-mediatek-fix-gigabit-and-flow-control-adver.patch @@ -0,0 +1,71 @@ +From 09313f26999e2685e0b9434374e7308e1f447e55 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Fri, 22 Apr 2016 11:05:23 +0200 +Subject: [PATCH 078/102] net-next: mediatek: fix gigabit and flow control + advertisement + +The current code will not setup the PHYs advertisement features correctly. +Fix this and properly advertise Gigabit features and properly handle +asymmetric pause frames. + +Signed-off-by: Sean Wang <keyhaede@gmail.com> +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 30 +++++++++++++++++++++++---- + 1 file changed, 26 insertions(+), 4 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -133,6 +133,8 @@ static int mtk_mdio_read(struct mii_bus + static void mtk_phy_link_adjust(struct net_device *dev) + { + struct mtk_mac *mac = netdev_priv(dev); ++ u16 lcl_adv = 0, rmt_adv = 0; ++ u8 flowctrl; + u32 mcr = MAC_MCR_MAX_RX_1536 | MAC_MCR_IPG_CFG | + MAC_MCR_FORCE_MODE | MAC_MCR_TX_EN | + MAC_MCR_RX_EN | MAC_MCR_BACKOFF_EN | +@@ -150,11 +152,30 @@ static void mtk_phy_link_adjust(struct n + if (mac->phy_dev->link) + mcr |= MAC_MCR_FORCE_LINK; + +- if (mac->phy_dev->duplex) ++ if (mac->phy_dev->duplex) { + mcr |= MAC_MCR_FORCE_DPX; + +- if (mac->phy_dev->pause) +- mcr |= MAC_MCR_FORCE_RX_FC | MAC_MCR_FORCE_TX_FC; ++ if (mac->phy_dev->pause) ++ rmt_adv = LPA_PAUSE_CAP; ++ if (mac->phy_dev->asym_pause) ++ rmt_adv |= LPA_PAUSE_ASYM; ++ ++ if (mac->phy_dev->advertising & ADVERTISED_Pause) ++ lcl_adv |= ADVERTISE_PAUSE_CAP; ++ if (mac->phy_dev->advertising & ADVERTISED_Asym_Pause) ++ lcl_adv |= ADVERTISE_PAUSE_ASYM; ++ ++ flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv); ++ ++ if (flowctrl & FLOW_CTRL_TX) ++ mcr |= MAC_MCR_FORCE_TX_FC; ++ if (flowctrl & FLOW_CTRL_RX) ++ mcr |= MAC_MCR_FORCE_RX_FC; ++ ++ netif_dbg(mac->hw, link, dev, "rx pause %s, tx pause %s\n", ++ flowctrl & FLOW_CTRL_RX ? "enabled" : "disabled", ++ flowctrl & FLOW_CTRL_TX ? "enabled" : "disabled"); ++ } + + mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id)); + +@@ -236,7 +257,8 @@ static int mtk_phy_connect(struct mtk_ma + mac->phy_dev->autoneg = AUTONEG_ENABLE; + mac->phy_dev->speed = 0; + mac->phy_dev->duplex = 0; +- mac->phy_dev->supported &= PHY_BASIC_FEATURES; ++ mac->phy_dev->supported &= PHY_GBIT_FEATURES | SUPPORTED_Pause | ++ SUPPORTED_Asym_Pause; + mac->phy_dev->advertising = mac->phy_dev->supported | + ADVERTISED_Autoneg; + phy_start_aneg(mac->phy_dev); diff --git a/target/linux/mediatek/patches-4.4/0079-net-next-mediatek-add-fixed-phy-support.patch b/target/linux/mediatek/patches-4.4/0079-net-next-mediatek-add-fixed-phy-support.patch new file mode 100644 index 0000000000..669febbdf1 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0079-net-next-mediatek-add-fixed-phy-support.patch @@ -0,0 +1,38 @@ +From 09f0b50ae838bd6e2bbf0aa22de9f352122297de Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Fri, 22 Apr 2016 11:06:03 +0200 +Subject: [PATCH 079/102] net-next: mediatek: add fixed-phy support + +The MT7623 SoC has a builtin gigabit switch. If we want to use it, GMAC1 +needs to be configured using a fixed link speed and flow control settings. +The easiest way to do this is to used the fixed-phy driver, allowing us to +reuse the existing mdio polling code to setup the MAC. + +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 6 ++++++ + 1 file changed, 6 insertions(+) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -229,6 +229,9 @@ static int mtk_phy_connect(struct mtk_ma + u32 val, ge_mode; + + np = of_parse_phandle(mac->of_node, "phy-handle", 0); ++ if (!np && of_phy_is_fixed_link(mac->of_node)) ++ if (!of_phy_register_fixed_link(mac->of_node)) ++ np = of_node_get(mac->of_node); + if (!np) + return -ENODEV; + +@@ -257,6 +260,9 @@ static int mtk_phy_connect(struct mtk_ma + mac->phy_dev->autoneg = AUTONEG_ENABLE; + mac->phy_dev->speed = 0; + mac->phy_dev->duplex = 0; ++ if (of_phy_is_fixed_link(mac->of_node)) ++ mac->phy_dev->supported |= SUPPORTED_Pause | ++ SUPPORTED_Asym_Pause; + mac->phy_dev->supported &= PHY_GBIT_FEATURES | SUPPORTED_Pause | + SUPPORTED_Asym_Pause; + mac->phy_dev->advertising = mac->phy_dev->supported | diff --git a/target/linux/mediatek/patches-4.4/0080-net-next-mediatek-fix-gigabit-and-flow-control-adver.patch b/target/linux/mediatek/patches-4.4/0080-net-next-mediatek-fix-gigabit-and-flow-control-adver.patch deleted file mode 100644 index facbbf2937..0000000000 --- a/target/linux/mediatek/patches-4.4/0080-net-next-mediatek-fix-gigabit-and-flow-control-adver.patch +++ /dev/null @@ -1,59 +0,0 @@ -From 6918f290a9019425043dbedf7b39bc82a69e23a6 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Fri, 22 Apr 2016 11:05:23 +0200 -Subject: [PATCH 80/91] net-next: mediatek: fix gigabit and flow control - advertisement - -The current code will not setup the PHYs advertisement features correctly. -Fix this and properly advertise Gigabit features and properly handle -asymmetric pause frames. - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/net/ethernet/mediatek/mtk_eth_soc.c | 16 ++++++++++++++-- - 1 file changed, 14 insertions(+), 2 deletions(-) - -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 9928a79..204d927 100644 ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -133,6 +133,8 @@ static int mtk_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg) - static void mtk_phy_link_adjust(struct net_device *dev) - { - struct mtk_mac *mac = netdev_priv(dev); -+ u16 lcl_adv, rmt_adv = 0; -+ u8 flowctrl; - u32 mcr = MAC_MCR_MAX_RX_1536 | MAC_MCR_IPG_CFG | - MAC_MCR_FORCE_MODE | MAC_MCR_TX_EN | - MAC_MCR_RX_EN | MAC_MCR_BACKOFF_EN | -@@ -154,7 +156,16 @@ static void mtk_phy_link_adjust(struct net_device *dev) - mcr |= MAC_MCR_FORCE_DPX; - - if (mac->phy_dev->pause) -- mcr |= MAC_MCR_FORCE_RX_FC | MAC_MCR_FORCE_TX_FC; -+ rmt_adv = LPA_PAUSE_CAP; -+ if (mac->phy_dev->asym_pause) -+ rmt_adv |= LPA_PAUSE_ASYM; -+ -+ lcl_adv = mii_advertise_flowctrl(FLOW_CTRL_RX | FLOW_CTRL_TX); -+ flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv); -+ if (flowctrl & FLOW_CTRL_TX) -+ mcr |= MAC_MCR_FORCE_TX_FC; -+ if (flowctrl & FLOW_CTRL_RX) -+ mcr |= MAC_MCR_FORCE_RX_FC; - - mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id)); - -@@ -236,7 +247,8 @@ static int mtk_phy_connect(struct mtk_mac *mac) - mac->phy_dev->autoneg = AUTONEG_ENABLE; - mac->phy_dev->speed = 0; - mac->phy_dev->duplex = 0; -- mac->phy_dev->supported &= PHY_BASIC_FEATURES; -+ mac->phy_dev->supported &= PHY_GBIT_FEATURES | SUPPORTED_Pause | -+ ~SUPPORTED_Asym_Pause; - mac->phy_dev->advertising = mac->phy_dev->supported | - ADVERTISED_Autoneg; - phy_start_aneg(mac->phy_dev); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0080-net-next-mediatek-properly-handle-RGMII-modes.patch b/target/linux/mediatek/patches-4.4/0080-net-next-mediatek-properly-handle-RGMII-modes.patch new file mode 100644 index 0000000000..1d176f2ece --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0080-net-next-mediatek-properly-handle-RGMII-modes.patch @@ -0,0 +1,31 @@ +From 25eaa5d6483a5899e6bf48b47f762f05c186b4b6 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Fri, 22 Apr 2016 11:08:43 +0200 +Subject: [PATCH 080/102] net-next: mediatek: properly handle RGMII modes + +If an external Gigabit PHY is connected to either of the MACs we need to +be able to tell the PHY to use a delay. Not doing so will result in heavy +packet loss and/or data corruption when using PHYs such as the IC+ IP1001. +We tell the PHY which MII delay mode to use via the devictree. + +The ethernet driver needs to be adapted to handle all 3 rgmii-*id modes +in the same way as normal rgmii when setting up the MAC. + +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -236,6 +236,9 @@ static int mtk_phy_connect(struct mtk_ma + return -ENODEV; + + switch (of_get_phy_mode(np)) { ++ case PHY_INTERFACE_MODE_RGMII_TXID: ++ case PHY_INTERFACE_MODE_RGMII_RXID: ++ case PHY_INTERFACE_MODE_RGMII_ID: + case PHY_INTERFACE_MODE_RGMII: + ge_mode = 0; + break; diff --git a/target/linux/mediatek/patches-4.4/0081-net-next-mediatek-add-fixed-phy-support.patch b/target/linux/mediatek/patches-4.4/0081-net-next-mediatek-add-fixed-phy-support.patch deleted file mode 100644 index bc6349568a..0000000000 --- a/target/linux/mediatek/patches-4.4/0081-net-next-mediatek-add-fixed-phy-support.patch +++ /dev/null @@ -1,32 +0,0 @@ -From b5ecc24a027dea24f3ff798f87f65dd42015b342 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Fri, 22 Apr 2016 11:06:03 +0200 -Subject: [PATCH 81/91] net-next: mediatek: add fixed-phy support - -The MT7623 SoC has a builtin gigabit switch. If we want to use it, GMAC1 -needs to be configured using a fixed link speed and flow control settings. -The easiest way to do this is to used the fixed-phy driver, allowing us to -reuse the existing mdio polling code to setup the MAC. - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/net/ethernet/mediatek/mtk_eth_soc.c | 3 +++ - 1 file changed, 3 insertions(+) - -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 204d927..f4d8519 100644 ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -219,6 +219,9 @@ static int mtk_phy_connect(struct mtk_mac *mac) - u32 val, ge_mode; - - np = of_parse_phandle(mac->of_node, "phy-handle", 0); -+ if (!np && of_phy_is_fixed_link(mac->of_node)) -+ if (!of_phy_register_fixed_link(mac->of_node)) -+ np = of_node_get(mac->of_node); - if (!np) - return -ENODEV; - --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0079-net-next-mediatek-fix-BQL-support.patch b/target/linux/mediatek/patches-4.4/0081-net-next-mediatek-fix-DQL-support.patch index a4d42d324a..f1c7290aac 100644 --- a/target/linux/mediatek/patches-4.4/0079-net-next-mediatek-fix-BQL-support.patch +++ b/target/linux/mediatek/patches-4.4/0081-net-next-mediatek-fix-DQL-support.patch @@ -1,18 +1,24 @@ -From f26f228f312fafc090d21036b682bd1062bb731f Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> +From 81cdbda2a08375b9d5915567d2210bf2433e7332 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> Date: Sat, 23 Apr 2016 11:57:21 +0200 -Subject: [PATCH 79/91] net-next: mediatek: fix BQL support +Subject: [PATCH 081/102] net-next: mediatek: fix DQL support -Signed-off-by: John Crispin <blogic@openwrt.org> +The MTK ethernet core has 2 MACs both sitting on the same DMA ring. The +current code will assign the TX traffic of each MAC to its own DQL. This +results in the amount of data, that DQL says is in the queue incorrect. As +the data from multiple devices is infact enqueued. This makes any decision +based on these value non deterministic. Fix this by tracking all TX +traffic, regardless of the MAC it belongs to in the DQL of all devices +using the DMA. + +Signed-off-by: John Crispin <john@phrozen.org> --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 33 ++++++++++++++++----------- 1 file changed, 20 insertions(+), 13 deletions(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index bab5d45..9928a79 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -625,7 +625,16 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, +@@ -656,7 +656,16 @@ static int mtk_tx_map(struct sk_buff *sk WRITE_ONCE(itxd->txd3, (TX_DMA_SWC | TX_DMA_PLEN0(skb_headlen(skb)) | (!nr_frags * TX_DMA_LS0))); @@ -30,7 +36,7 @@ index bab5d45..9928a79 100644 skb_tx_timestamp(skb); ring->next_free = mtk_qdma_phys_to_virt(ring, txd->txd2); -@@ -853,21 +862,18 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget, bool *tx_again) +@@ -884,21 +893,18 @@ static int mtk_poll_tx(struct mtk_eth *e struct mtk_tx_dma *desc; struct sk_buff *skb; struct mtk_tx_buf *tx_buf; @@ -55,7 +61,7 @@ index bab5d45..9928a79 100644 u32 next_cpu = desc->txd2; int mac; -@@ -887,9 +893,8 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget, bool *tx_again) +@@ -918,9 +924,8 @@ static int mtk_poll_tx(struct mtk_eth *e } if (skb != (struct sk_buff *)MTK_DMA_DUMMY_DESC) { @@ -67,7 +73,7 @@ index bab5d45..9928a79 100644 } mtk_tx_unmap(eth->dev, tx_buf); -@@ -902,11 +907,13 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget, bool *tx_again) +@@ -933,11 +938,13 @@ static int mtk_poll_tx(struct mtk_eth *e mtk_w32(eth, cpu, MTK_QTX_CRX_PTR); @@ -84,6 +90,3 @@ index bab5d45..9928a79 100644 } /* read hw index again make sure no new tx packet */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0082-net-next-mediatek-add-RX-delay-support.patch b/target/linux/mediatek/patches-4.4/0082-net-next-mediatek-add-RX-delay-support.patch deleted file mode 100644 index ad49fd9352..0000000000 --- a/target/linux/mediatek/patches-4.4/0082-net-next-mediatek-add-RX-delay-support.patch +++ /dev/null @@ -1,29 +0,0 @@ -From bbd92ed51c48a4586f149767841a5495cbc5a979 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Fri, 22 Apr 2016 11:08:43 +0200 -Subject: [PATCH 82/91] net-next: mediatek: add RX delay support - -If an external Gigabit PHY is connected to either of the MACs we need to -tell the to use a RX delay. Not doing so will result in heavy packet loss -and/or data corruption of RX traffic. - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/net/ethernet/mediatek/mtk_eth_soc.c | 1 + - 1 file changed, 1 insertion(+) - -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index f4d8519..aa25788 100644 ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -226,6 +226,7 @@ static int mtk_phy_connect(struct mtk_mac *mac) - return -ENODEV; - - switch (of_get_phy_mode(np)) { -+ case PHY_INTERFACE_MODE_RGMII_RXID: - case PHY_INTERFACE_MODE_RGMII: - ge_mode = 0; - break; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0083-net-next-mediatek-add-missing-return-code-check.patch b/target/linux/mediatek/patches-4.4/0082-net-next-mediatek-add-missing-return-code-check.patch index 652001ecf9..19cdbf0d3e 100644 --- a/target/linux/mediatek/patches-4.4/0083-net-next-mediatek-add-missing-return-code-check.patch +++ b/target/linux/mediatek/patches-4.4/0082-net-next-mediatek-add-missing-return-code-check.patch @@ -1,21 +1,20 @@ -From d20b45f50d6b3352aa7be76eb7a28cffcfe379da Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> +From 51ca1e9f141499fd7c95bff5401215b706656754 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> Date: Sat, 23 Apr 2016 09:06:05 +0200 -Subject: [PATCH 83/91] net-next: mediatek: add missing return code check +Subject: [PATCH 082/102] net-next: mediatek: add missing return code check The code fails to check if the scratch memory was properly allocated. Add this check and return with an error if the allocation failed. -Signed-off-by: John Crispin <blogic@openwrt.org> +Signed-off-by: Sean Wang <keyhaede@gmail.com> +Signed-off-by: John Crispin <john@phrozen.org> --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 3 +++ 1 file changed, 3 insertions(+) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index aa25788..e58a634 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -483,6 +483,9 @@ static int mtk_init_fq_dma(struct mtk_eth *eth) +@@ -498,6 +498,9 @@ static int mtk_init_fq_dma(struct mtk_et eth->scratch_head = kcalloc(cnt, MTK_QDMA_PAGE_SIZE, GFP_KERNEL); @@ -25,6 +24,3 @@ index aa25788..e58a634 100644 dma_addr = dma_map_single(eth->dev, eth->scratch_head, cnt * MTK_QDMA_PAGE_SIZE, DMA_FROM_DEVICE); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0084-net-next-mediatek-fix-missing-free-of-scratch-memory.patch b/target/linux/mediatek/patches-4.4/0083-net-next-mediatek-fix-missing-free-of-scratch-memory.patch index 632b9a8140..793875faf4 100644 --- a/target/linux/mediatek/patches-4.4/0084-net-next-mediatek-fix-missing-free-of-scratch-memory.patch +++ b/target/linux/mediatek/patches-4.4/0083-net-next-mediatek-fix-missing-free-of-scratch-memory.patch @@ -1,22 +1,23 @@ -From 2d22628561299e1c7d71e16262131127de3c4216 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> +From b48745c534ced06005d2ba57198b54a6a160b39d Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> Date: Sat, 23 Apr 2016 09:18:28 +0200 -Subject: [PATCH 84/91] net-next: mediatek: fix missing free of scratch memory +Subject: [PATCH 083/102] net-next: mediatek: fix missing free of scratch + memory Scratch memory gets allocated in mtk_init_fq_dma() but the corresponding code to free it is missing inside mtk_dma_free() causing a memory leak. +With this patch applied, we can run ifconfig/up/down several thousand +times without any problems. -Signed-off-by: John Crispin <blogic@openwrt.org> +Signed-off-by: John Crispin <john@phrozen.org> --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 18 +++++++++++++----- drivers/net/ethernet/mediatek/mtk_eth_soc.h | 2 ++ 2 files changed, 15 insertions(+), 5 deletions(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index e58a634..06b9094 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -469,14 +469,14 @@ static inline void mtk_rx_get_desc(struct mtk_rx_dma *rxd, +@@ -484,14 +484,14 @@ static inline void mtk_rx_get_desc(struc /* the qdma core needs scratch memory to be setup */ static int mtk_init_fq_dma(struct mtk_eth *eth) { @@ -33,7 +34,7 @@ index e58a634..06b9094 100644 GFP_ATOMIC | __GFP_ZERO); if (unlikely(!eth->scratch_ring)) return -ENOMEM; -@@ -493,19 +493,19 @@ static int mtk_init_fq_dma(struct mtk_eth *eth) +@@ -508,19 +508,19 @@ static int mtk_init_fq_dma(struct mtk_et return -ENOMEM; memset(eth->scratch_ring, 0x0, sizeof(struct mtk_tx_dma) * cnt); @@ -56,7 +57,7 @@ index e58a634..06b9094 100644 mtk_w32(eth, phy_ring_tail, MTK_QDMA_FQ_TAIL); mtk_w32(eth, (cnt << 16) | cnt, MTK_QDMA_FQ_CNT); mtk_w32(eth, MTK_QDMA_PAGE_SIZE << 16, MTK_QDMA_FQ_BLEN); -@@ -1205,6 +1205,14 @@ static void mtk_dma_free(struct mtk_eth *eth) +@@ -1220,6 +1220,14 @@ static void mtk_dma_free(struct mtk_eth for (i = 0; i < MTK_MAC_COUNT; i++) if (eth->netdev[i]) netdev_reset_queue(eth->netdev[i]); @@ -71,8 +72,6 @@ index e58a634..06b9094 100644 mtk_tx_clean(eth); mtk_rx_clean(eth); kfree(eth->scratch_head); -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -index eed626d..57f7e8a 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -357,6 +357,7 @@ struct mtk_rx_ring { @@ -91,6 +90,3 @@ index eed626d..57f7e8a 100644 void *scratch_head; struct clk *clk_ethif; struct clk *clk_esw; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0084-net-next-mediatek-invalid-buffer-lookup-in-mtk_tx_ma.patch b/target/linux/mediatek/patches-4.4/0084-net-next-mediatek-invalid-buffer-lookup-in-mtk_tx_ma.patch new file mode 100644 index 0000000000..eb44af6f89 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0084-net-next-mediatek-invalid-buffer-lookup-in-mtk_tx_ma.patch @@ -0,0 +1,27 @@ +From 1eea1536dbbbfda418751ec6f5387acb521ddb97 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Sat, 23 Apr 2016 09:25:00 +0200 +Subject: [PATCH 084/102] net-next: mediatek: invalid buffer lookup in + mtk_tx_map() + +The lookup of the tx_buffer in the error path inside mtk_tx_map() uses the +wrong descriptor pointer. This looks like a copy & paste error. Change the +code to use the correct pointer. + +Signed-off-by: Sean Wang <keyhaede@gmail.com> +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -686,7 +686,7 @@ static int mtk_tx_map(struct sk_buff *sk + + err_dma: + do { +- tx_buf = mtk_desc_to_tx_buf(ring, txd); ++ tx_buf = mtk_desc_to_tx_buf(ring, itxd); + + /* unmap dma */ + mtk_tx_unmap(&dev->dev, tx_buf); diff --git a/target/linux/mediatek/patches-4.4/0086-net-next-mediatek-dropped-rx-packets-are-not-being-c.patch b/target/linux/mediatek/patches-4.4/0085-net-next-mediatek-dropped-rx-packets-are-not-being-c.patch index 8a38b5a5f5..2b2a011b3d 100644 --- a/target/linux/mediatek/patches-4.4/0086-net-next-mediatek-dropped-rx-packets-are-not-being-c.patch +++ b/target/linux/mediatek/patches-4.4/0085-net-next-mediatek-dropped-rx-packets-are-not-being-c.patch @@ -1,23 +1,22 @@ -From d74187cab7927d3496c01c97051d9c539067ad1b Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> +From 98aac832925a99afee8722cdfd5a848dd6086b8f Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> Date: Sat, 23 Apr 2016 09:28:25 +0200 -Subject: [PATCH 86/91] net-next: mediatek: dropped rx packets are not being +Subject: [PATCH 085/102] net-next: mediatek: dropped rx packets are not being counted properly There are 2 places inside mtk_poll_rx where rx_dropped is not being incremented properly. Fix this by adding the missing code to increment the counter. -Signed-off-by: John Crispin <blogic@openwrt.org> +Signed-off-by: Sean Wang <keyhaede@gmail.com> +Signed-off-by: John Crispin <john@phrozen.org> --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 ++ 1 file changed, 2 insertions(+) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 63e1da4..24a4179 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -826,6 +826,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, +@@ -841,6 +841,7 @@ static int mtk_poll_rx(struct napi_struc DMA_FROM_DEVICE); if (unlikely(dma_mapping_error(&netdev->dev, dma_addr))) { skb_free_frag(new_data); @@ -25,7 +24,7 @@ index 63e1da4..24a4179 100644 goto release_desc; } -@@ -833,6 +834,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, +@@ -848,6 +849,7 @@ static int mtk_poll_rx(struct napi_struc skb = build_skb(data, ring->frag_size); if (unlikely(!skb)) { put_page(virt_to_head_page(new_data)); @@ -33,6 +32,3 @@ index 63e1da4..24a4179 100644 goto release_desc; } skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0085-net-next-mediatek-invalid-buffer-lookup-in-mtk_tx_ma.patch b/target/linux/mediatek/patches-4.4/0085-net-next-mediatek-invalid-buffer-lookup-in-mtk_tx_ma.patch deleted file mode 100644 index 37e14b19bc..0000000000 --- a/target/linux/mediatek/patches-4.4/0085-net-next-mediatek-invalid-buffer-lookup-in-mtk_tx_ma.patch +++ /dev/null @@ -1,30 +0,0 @@ -From 7ae20e15e06eed22f343a566b22dce258f7b8704 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Sat, 23 Apr 2016 09:25:00 +0200 -Subject: [PATCH 85/91] net-next: mediatek: invalid buffer lookup in - mtk_tx_map() - -The lookup of the tx_buffer in the error path inside mtk_tx_map() uses the -wrong descriptor pointer. This looks like a copy & paste error. - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 06b9094..63e1da4 100644 ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -671,7 +671,7 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, - - err_dma: - do { -- tx_buf = mtk_desc_to_tx_buf(ring, txd); -+ tx_buf = mtk_desc_to_tx_buf(ring, itxd); - - /* unmap dma */ - mtk_tx_unmap(&dev->dev, tx_buf); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0086-net-next-mediatek-add-next-data-pointer-coherency-pr.patch b/target/linux/mediatek/patches-4.4/0086-net-next-mediatek-add-next-data-pointer-coherency-pr.patch new file mode 100644 index 0000000000..cd4bdf8fa4 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0086-net-next-mediatek-add-next-data-pointer-coherency-pr.patch @@ -0,0 +1,39 @@ +From 5077ac38a86023124ebbe24cd1b7ecbd0f8edaff Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Tue, 3 May 2016 03:06:59 +0200 +Subject: [PATCH 086/102] net-next: mediatek: add next data pointer coherency + protection + +The QDMA engine can fail to update the register pointing to the next TX +descriptor if this bit does not get set in the QDMA configuration register. +Not setting this bit can result in invalid values inside the TX rings +registers which will causes TX stalls. + +Signed-off-by: Sean Wang <keyhaede@gmail.com> +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- + drivers/net/ethernet/mediatek/mtk_eth_soc.h | 1 + + 2 files changed, 2 insertions(+), 1 deletion(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -1292,7 +1292,7 @@ static int mtk_start_dma(struct mtk_eth + mtk_w32(eth, + MTK_TX_WB_DDONE | MTK_RX_DMA_EN | MTK_TX_DMA_EN | + MTK_RX_2B_OFFSET | MTK_DMA_SIZE_16DWORDS | +- MTK_RX_BT_32DWORDS, ++ MTK_RX_BT_32DWORDS | MTK_NDP_CO_PRO, + MTK_QDMA_GLO_CFG); + + return 0; +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -91,6 +91,7 @@ + #define MTK_QDMA_GLO_CFG 0x1A04 + #define MTK_RX_2B_OFFSET BIT(31) + #define MTK_RX_BT_32DWORDS (3 << 11) ++#define MTK_NDP_CO_PRO BIT(10) + #define MTK_TX_WB_DDONE BIT(6) + #define MTK_DMA_SIZE_16DWORDS (2 << 4) + #define MTK_RX_DMA_BUSY BIT(3) diff --git a/target/linux/mediatek/patches-4.4/0087-net-next-mediatek-disable-all-interrupts-during-prob.patch b/target/linux/mediatek/patches-4.4/0087-net-next-mediatek-disable-all-interrupts-during-prob.patch new file mode 100644 index 0000000000..6e809b9315 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0087-net-next-mediatek-disable-all-interrupts-during-prob.patch @@ -0,0 +1,26 @@ +From f9a08e142fd87c72a7803203ce4ecc94806046ca Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Tue, 3 May 2016 03:14:07 +0200 +Subject: [PATCH 087/102] net-next: mediatek: disable all interrupts during + probe + +The current code only disables those IRQs that we will later use. To +ensure that we have a predefined state, we really want to disable all IRQs. +Change the code to disable all IRQs to achieve this. + +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -1406,7 +1406,7 @@ static int __init mtk_hw_init(struct mtk + + /* disable delay and normal interrupt */ + mtk_w32(eth, 0, MTK_QDMA_DELAY_INT); +- mtk_irq_disable(eth, MTK_TX_DONE_INT | MTK_RX_DONE_INT); ++ mtk_irq_disable(eth, ~0); + mtk_w32(eth, RST_GL_PSE, MTK_RST_GL); + mtk_w32(eth, 0, MTK_RST_GL); + diff --git a/target/linux/mediatek/patches-4.4/0088-net-next-mediatek-fix-threshold-value.patch b/target/linux/mediatek/patches-4.4/0088-net-next-mediatek-fix-threshold-value.patch new file mode 100644 index 0000000000..466f8731e0 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0088-net-next-mediatek-fix-threshold-value.patch @@ -0,0 +1,30 @@ +From 34ea0f209e0759158e363039852a04b1facc3acd Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Tue, 3 May 2016 02:55:27 +0200 +Subject: [PATCH 088/102] net-next: mediatek: fix threshold value +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The logic to calculate the threshold value for stopping the TX queue is +bad. Currently it will always use 1/2 of the rings size, which is way too +much. Set the threshold to MAX_SKB_FRAGS. This makes sure that the queue +is stopped when there is not enough room to accept an additional segment. + +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 3 +-- + 1 file changed, 1 insertion(+), 2 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -1043,8 +1043,7 @@ static int mtk_tx_alloc(struct mtk_eth * + atomic_set(&ring->free_count, MTK_DMA_SIZE - 2); + ring->next_free = &ring->dma[0]; + ring->last_free = &ring->dma[MTK_DMA_SIZE - 2]; +- ring->thresh = max((unsigned long)MTK_DMA_SIZE >> 2, +- MAX_SKB_FRAGS); ++ ring->thresh = MAX_SKB_FRAGS; + + /* make sure that all changes to the dma ring are flushed before we + * continue diff --git a/target/linux/mediatek/patches-4.4/0089-net-next-mediatek-increase-watchdog_timeo.patch b/target/linux/mediatek/patches-4.4/0089-net-next-mediatek-increase-watchdog_timeo.patch new file mode 100644 index 0000000000..96928d232a --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0089-net-next-mediatek-increase-watchdog_timeo.patch @@ -0,0 +1,26 @@ +From 2cbf3f95a49925317ef4138ceaf7f7f30f353f0f Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Tue, 3 May 2016 03:17:53 +0200 +Subject: [PATCH 089/102] net-next: mediatek: increase watchdog_timeo + +During stress testing, after reducing the threshold value, we have seen +TX timeouts that were caused by the watchdog_timeo value being too low. +Increase the value to 5 * HZ which is a value commonly used by many other +drivers. + +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -1720,7 +1720,7 @@ static int mtk_add_mac(struct mtk_eth *e + mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; + + SET_NETDEV_DEV(eth->netdev[id], eth->dev); +- eth->netdev[id]->watchdog_timeo = HZ; ++ eth->netdev[id]->watchdog_timeo = 5 * HZ; + eth->netdev[id]->netdev_ops = &mtk_netdev_ops; + eth->netdev[id]->base_addr = (unsigned long)eth->base; + eth->netdev[id]->vlan_features = MTK_HW_FEATURES & diff --git a/target/linux/mediatek/patches-4.4/0090-net-mediatek-v4.4-backports.patch b/target/linux/mediatek/patches-4.4/0090-net-mediatek-v4.4-backports.patch deleted file mode 100644 index f26eaeaccc..0000000000 --- a/target/linux/mediatek/patches-4.4/0090-net-mediatek-v4.4-backports.patch +++ /dev/null @@ -1,77 +0,0 @@ -From 7d2bdde21bc72eb41878890149f2b9d05fc3af6e Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 11 Apr 2016 06:00:23 +0200 -Subject: [PATCH 90/91] net: mediatek: v4.4 backports - ---- - drivers/net/ethernet/mediatek/mtk_eth_soc.c | 23 ++++++++++++++--------- - 1 file changed, 14 insertions(+), 9 deletions(-) - -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index bb62b91..5d33053 100644 ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -207,7 +207,7 @@ static int mtk_phy_connect_node(struct mtk_eth *eth, struct mtk_mac *mac, - - dev_info(eth->dev, - "connected mac %d to PHY at %s [uid=%08x, driver=%s]\n", -- mac->id, phydev_name(phydev), phydev->phy_id, -+ mac->id, dev_name(&phydev->dev), phydev->phy_id, - phydev->drv->name); - - mac->phy_dev = phydev; -@@ -1268,9 +1268,10 @@ static irqreturn_t mtk_handle_irq_rx(int irq, void *_eth) - return IRQ_NONE; - - if (status & MTK_RX_DONE_INT) { -- if (likely(napi_schedule_prep(ð->rx_napi))) -+ if (likely(napi_schedule_prep(ð->rx_napi))) { -+ mtk_irq_disable(eth, MTK_RX_DONE_INT); - __napi_schedule(ð->rx_napi); -- mtk_irq_disable(eth, MTK_RX_DONE_INT); -+ } - } - mtk_w32(eth, status, MTK_QMTK_INT_STATUS); - -@@ -1289,9 +1290,10 @@ static irqreturn_t mtk_handle_irq_tx(int irq, void *_eth) - return IRQ_NONE; - - if (status & MTK_TX_DONE_INT) { -- if (likely(napi_schedule_prep(ð->tx_napi))) -+ if (likely(napi_schedule_prep(ð->tx_napi))) { -+ mtk_irq_disable(eth, MTK_TX_DONE_INT); - __napi_schedule(ð->tx_napi); -- mtk_irq_disable(eth, MTK_TX_DONE_INT); -+ } - } - mtk_w32(eth, status, MTK_QMTK_INT_STATUS); - -@@ -1383,6 +1385,7 @@ static int mtk_stop(struct net_device *dev) - struct mtk_mac *mac = netdev_priv(dev); - struct mtk_eth *eth = mac->hw; - -+ netif_carrier_off(dev); - netif_tx_disable(dev); - phy_stop(mac->phy_dev); - -@@ -1582,11 +1585,13 @@ static int mtk_set_settings(struct net_device *dev, - { - struct mtk_mac *mac = netdev_priv(dev); - -- if (cmd->phy_address != mac->phy_dev->mdio.addr) { -- mac->phy_dev = mdiobus_get_phy(mac->hw->mii_bus, -- cmd->phy_address); -- if (!mac->phy_dev) -+ if (cmd->phy_address != mac->phy_dev->addr) { -+ if (mac->hw->mii_bus->phy_map[cmd->phy_address]) { -+ mac->phy_dev = -+ mac->hw->mii_bus->phy_map[cmd->phy_address]; -+ } else { - return -ENODEV; -+ } - } - - return phy_ethtool_sset(mac->phy_dev, cmd); --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0090-net-next-mediatek-fix-off-by-one-in-the-TX-ring-allo.patch b/target/linux/mediatek/patches-4.4/0090-net-next-mediatek-fix-off-by-one-in-the-TX-ring-allo.patch new file mode 100644 index 0000000000..b6f32fc451 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0090-net-next-mediatek-fix-off-by-one-in-the-TX-ring-allo.patch @@ -0,0 +1,36 @@ +From 94425de9ede5ef0eafbfced65140c30e7c0b6c0d Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Tue, 3 May 2016 03:01:13 +0200 +Subject: [PATCH 090/102] net-next: mediatek: fix off by one in the TX ring + allocation + +The TX ring setup has an off by one error causing it to not utilise all +descriptors. This has the side effect that we need to reset the next +pointer at runtime to make it work. Fix the off by one and remove the +code fixing the ring at runtime. + +Signed-off-by: Sean Wang <keyhaede@gmail.com> +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 3 +-- + 1 file changed, 1 insertion(+), 2 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -934,7 +934,6 @@ static int mtk_poll_tx(struct mtk_eth *e + } + mtk_tx_unmap(eth->dev, tx_buf); + +- ring->last_free->txd2 = next_cpu; + ring->last_free = desc; + atomic_inc(&ring->free_count); + +@@ -1042,7 +1041,7 @@ static int mtk_tx_alloc(struct mtk_eth * + + atomic_set(&ring->free_count, MTK_DMA_SIZE - 2); + ring->next_free = &ring->dma[0]; +- ring->last_free = &ring->dma[MTK_DMA_SIZE - 2]; ++ ring->last_free = &ring->dma[MTK_DMA_SIZE - 1]; + ring->thresh = MAX_SKB_FRAGS; + + /* make sure that all changes to the dma ring are flushed before we diff --git a/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch b/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch deleted file mode 100644 index b852e67470..0000000000 --- a/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch +++ /dev/null @@ -1,249 +0,0 @@ -From 34e10b96d5ccb99fb78251051bc5652b09359983 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Thu, 28 Apr 2016 07:58:22 +0200 -Subject: [PATCH 91/91] net-next: mediatek WIP - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - drivers/net/ethernet/mediatek/mtk_eth_soc.c | 89 ++++++++++++--------------- - drivers/net/ethernet/mediatek/mtk_eth_soc.h | 5 +- - 2 files changed, 44 insertions(+), 50 deletions(-) - -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 5d33053..2e05920 100644 ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -326,7 +326,7 @@ static inline void mtk_irq_disable(struct mtk_eth *eth, u32 mask) - val = mtk_r32(eth, MTK_QDMA_INT_MASK); - mtk_w32(eth, val & ~mask, MTK_QDMA_INT_MASK); - /* flush write */ -- mtk_r32(eth, MTK_QDMA_INT_MASK); -+// mtk_r32(eth, MTK_QDMA_INT_MASK); - spin_unlock_irqrestore(ð->irq_lock, flags); - } - -@@ -339,7 +339,7 @@ static inline void mtk_irq_enable(struct mtk_eth *eth, u32 mask) - val = mtk_r32(eth, MTK_QDMA_INT_MASK); - mtk_w32(eth, val | mask, MTK_QDMA_INT_MASK); - /* flush write */ -- mtk_r32(eth, MTK_QDMA_INT_MASK); -+// mtk_r32(eth, MTK_QDMA_INT_MASK); - spin_unlock_irqrestore(ð->irq_lock, flags); - } - -@@ -710,10 +710,26 @@ static inline int mtk_cal_txd_req(struct sk_buff *skb) - return nfrags; - } - -+static int mtk_queue_stopped(struct mtk_eth *eth) -+{ -+ int i; -+ -+ for (i = 0; i < MTK_MAC_COUNT; i++) { -+ if (!eth->netdev[i]) -+ continue; -+ if (netif_queue_stopped(eth->netdev[i])) -+ return 1; -+ } -+ -+ return 0; -+} -+ - static void mtk_wake_queue(struct mtk_eth *eth) - { - int i; - -+ printk("%s:%s[%d]w\n", __FILE__, __func__, __LINE__); -+ - for (i = 0; i < MTK_MAC_COUNT; i++) { - if (!eth->netdev[i]) - continue; -@@ -725,6 +741,7 @@ static void mtk_stop_queue(struct mtk_eth *eth) - { - int i; - -+ printk("%s:%s[%d]s\n", __FILE__, __func__, __LINE__); - for (i = 0; i < MTK_MAC_COUNT; i++) { - if (!eth->netdev[i]) - continue; -@@ -775,12 +792,9 @@ static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev) - if (mtk_tx_map(skb, dev, tx_num, ring, gso) < 0) - goto drop; - -- if (unlikely(atomic_read(&ring->free_count) <= ring->thresh)) { -+ if (unlikely(atomic_read(&ring->free_count) <= ring->thresh)) - mtk_stop_queue(eth); -- if (unlikely(atomic_read(&ring->free_count) > -- ring->thresh)) -- mtk_wake_queue(eth); -- } -+ - spin_unlock_irqrestore(ð->page_lock, flags); - - return NETDEV_TX_OK; -@@ -927,7 +941,6 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget) - } - mtk_tx_unmap(eth->dev, tx_buf); - -- ring->last_free->txd2 = next_cpu; - ring->last_free = desc; - atomic_inc(&ring->free_count); - -@@ -945,11 +958,8 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget) - netdev_completed_queue(eth->netdev[i], done, bytes); - } - -- /* read hw index again make sure no new tx packet */ -- if (cpu == dma && cpu == mtk_r32(eth, MTK_QTX_DRX_PTR)) -- mtk_w32(eth, MTK_TX_DONE_INT, MTK_QMTK_INT_STATUS); -- -- if (atomic_read(&ring->free_count) > ring->thresh) -+ if (mtk_queue_stopped(eth) && -+ (atomic_read(&ring->free_count) > ring->thresh)) - mtk_wake_queue(eth); - - return done; -@@ -973,10 +983,11 @@ static int mtk_napi_tx(struct napi_struct *napi, int budget) - int tx_done = 0; - - mtk_handle_status_irq(eth); -- -- status = mtk_r32(eth, MTK_QMTK_INT_STATUS); -+ mtk_w32(eth, MTK_TX_DONE_INT, MTK_QMTK_INT_STATUS); - tx_done = mtk_poll_tx(eth, budget); -+ - if (unlikely(netif_msg_intr(eth))) { -+ status = mtk_r32(eth, MTK_QMTK_INT_STATUS); - mask = mtk_r32(eth, MTK_QDMA_INT_MASK); - dev_info(eth->dev, - "done tx %d, intr 0x%08x/0x%x\n", -@@ -1002,9 +1013,12 @@ static int mtk_napi_rx(struct napi_struct *napi, int budget) - u32 status, mask; - int rx_done = 0; - -- status = mtk_r32(eth, MTK_QMTK_INT_STATUS); -+ mtk_handle_status_irq(eth); -+ mtk_w32(eth, MTK_RX_DONE_INT, MTK_QMTK_INT_STATUS); - rx_done = mtk_poll_rx(napi, budget, eth); -+ - if (unlikely(netif_msg_intr(eth))) { -+ status = mtk_r32(eth, MTK_QMTK_INT_STATUS); - mask = mtk_r32(eth, MTK_QDMA_INT_MASK); - dev_info(eth->dev, - "done rx %d, intr 0x%08x/0x%x\n", -@@ -1052,9 +1066,8 @@ static int mtk_tx_alloc(struct mtk_eth *eth) - - atomic_set(&ring->free_count, MTK_DMA_SIZE - 2); - ring->next_free = &ring->dma[0]; -- ring->last_free = &ring->dma[MTK_DMA_SIZE - 2]; -- ring->thresh = max((unsigned long)MTK_DMA_SIZE >> 2, -- MAX_SKB_FRAGS); -+ ring->last_free = &ring->dma[MTK_DMA_SIZE - 1]; -+ ring->thresh = MAX_SKB_FRAGS; - - /* make sure that all changes to the dma ring are flushed before we - * continue -@@ -1259,21 +1272,11 @@ static void mtk_tx_timeout(struct net_device *dev) - static irqreturn_t mtk_handle_irq_rx(int irq, void *_eth) - { - struct mtk_eth *eth = _eth; -- u32 status; -- -- status = mtk_r32(eth, MTK_QMTK_INT_STATUS); -- status &= ~MTK_TX_DONE_INT; -- -- if (unlikely(!status)) -- return IRQ_NONE; - -- if (status & MTK_RX_DONE_INT) { -- if (likely(napi_schedule_prep(ð->rx_napi))) { -- mtk_irq_disable(eth, MTK_RX_DONE_INT); -- __napi_schedule(ð->rx_napi); -- } -+ if (likely(napi_schedule_prep(ð->rx_napi))) { -+ __napi_schedule(ð->rx_napi); -+ mtk_irq_disable(eth, MTK_RX_DONE_INT); - } -- mtk_w32(eth, status, MTK_QMTK_INT_STATUS); - - return IRQ_HANDLED; - } -@@ -1281,21 +1284,11 @@ static irqreturn_t mtk_handle_irq_rx(int irq, void *_eth) - static irqreturn_t mtk_handle_irq_tx(int irq, void *_eth) - { - struct mtk_eth *eth = _eth; -- u32 status; -- -- status = mtk_r32(eth, MTK_QMTK_INT_STATUS); -- status &= ~MTK_RX_DONE_INT; -- -- if (unlikely(!status)) -- return IRQ_NONE; - -- if (status & MTK_TX_DONE_INT) { -- if (likely(napi_schedule_prep(ð->tx_napi))) { -- mtk_irq_disable(eth, MTK_TX_DONE_INT); -- __napi_schedule(ð->tx_napi); -- } -+ if (likely(napi_schedule_prep(ð->tx_napi))) { -+ __napi_schedule(ð->tx_napi); -+ mtk_irq_disable(eth, MTK_TX_DONE_INT); - } -- mtk_w32(eth, status, MTK_QMTK_INT_STATUS); - - return IRQ_HANDLED; - } -@@ -1326,7 +1319,7 @@ static int mtk_start_dma(struct mtk_eth *eth) - mtk_w32(eth, - MTK_TX_WB_DDONE | MTK_RX_DMA_EN | MTK_TX_DMA_EN | - MTK_RX_2B_OFFSET | MTK_DMA_SIZE_16DWORDS | -- MTK_RX_BT_32DWORDS, -+ MTK_RX_BT_32DWORDS | MTK_NDP_CO_PRO, - MTK_QDMA_GLO_CFG); - - return 0; -@@ -1440,7 +1433,7 @@ static int __init mtk_hw_init(struct mtk_eth *eth) - - /* disable delay and normal interrupt */ - mtk_w32(eth, 0, MTK_QDMA_DELAY_INT); -- mtk_irq_disable(eth, MTK_TX_DONE_INT | MTK_RX_DONE_INT); -+ mtk_irq_disable(eth, ~0); - mtk_w32(eth, RST_GL_PSE, MTK_RST_GL); - mtk_w32(eth, 0, MTK_RST_GL); - -@@ -1765,7 +1758,7 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) - mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; - - SET_NETDEV_DEV(eth->netdev[id], eth->dev); -- eth->netdev[id]->watchdog_timeo = HZ; -+ eth->netdev[id]->watchdog_timeo = 4 * HZ; - eth->netdev[id]->netdev_ops = &mtk_netdev_ops; - eth->netdev[id]->base_addr = (unsigned long)eth->base; - eth->netdev[id]->vlan_features = MTK_HW_FEATURES & -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -index 5093518..6b22445 100644 ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -@@ -18,9 +18,9 @@ - #define MTK_QDMA_PAGE_SIZE 2048 - #define MTK_MAX_RX_LENGTH 1536 - #define MTK_TX_DMA_BUF_LEN 0x3fff --#define MTK_DMA_SIZE 256 --#define MTK_NAPI_WEIGHT 64 - #define MTK_MAC_COUNT 2 -+#define MTK_DMA_SIZE (256 * MTK_MAC_COUNT) -+#define MTK_NAPI_WEIGHT (64 * MTK_MAC_COUNT) - #define MTK_RX_ETH_HLEN (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN) - #define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN) - #define MTK_DMA_DUMMY_DESC 0xffffffff -@@ -95,6 +95,7 @@ - #define MTK_QDMA_GLO_CFG 0x1A04 - #define MTK_RX_2B_OFFSET BIT(31) - #define MTK_RX_BT_32DWORDS (3 << 11) -+#define MTK_NDP_CO_PRO BIT(10) - #define MTK_TX_WB_DDONE BIT(6) - #define MTK_DMA_SIZE_16DWORDS (2 << 4) - #define MTK_RX_DMA_BUSY BIT(3) --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-only-wake-the-queue-if-it-is-stopp.patch b/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-only-wake-the-queue-if-it-is-stopp.patch new file mode 100644 index 0000000000..257634c4c3 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-only-wake-the-queue-if-it-is-stopp.patch @@ -0,0 +1,48 @@ +From 1473b4cce85760c0202a08e6a48ec51867dc1bf7 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Tue, 3 May 2016 04:01:38 +0200 +Subject: [PATCH 091/102] net-next: mediatek: only wake the queue if it is + stopped + +The current code unconditionally wakes up the queue at the end of each +tx_poll action. Change the code to only wake up the queues if any of +them have actually been stopped before. + +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 17 ++++++++++++++++- + 1 file changed, 16 insertions(+), 1 deletion(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -716,6 +716,20 @@ static inline int mtk_cal_txd_req(struct + return nfrags; + } + ++static int mtk_queue_stopped(struct mtk_eth *eth) ++{ ++ int i; ++ ++ for (i = 0; i < MTK_MAC_COUNT; i++) { ++ if (!eth->netdev[i]) ++ continue; ++ if (netif_queue_stopped(eth->netdev[i])) ++ return 1; ++ } ++ ++ return 0; ++} ++ + static void mtk_wake_queue(struct mtk_eth *eth) + { + int i; +@@ -960,7 +974,8 @@ static int mtk_poll_tx(struct mtk_eth *e + if (!total) + return 0; + +- if (atomic_read(&ring->free_count) > ring->thresh) ++ if (mtk_queue_stopped(eth) && ++ (atomic_read(&ring->free_count) > ring->thresh)) + mtk_wake_queue(eth); + + return total; diff --git a/target/linux/mediatek/patches-4.4/0092-net-next-mediatek-remove-superfluous-queue-wake-up-c.patch b/target/linux/mediatek/patches-4.4/0092-net-next-mediatek-remove-superfluous-queue-wake-up-c.patch new file mode 100644 index 0000000000..fe08958b5c --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0092-net-next-mediatek-remove-superfluous-queue-wake-up-c.patch @@ -0,0 +1,36 @@ +From 538020913db04d199ce4d7e845444880e8200b5f Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Tue, 3 May 2016 05:40:38 +0200 +Subject: [PATCH 092/102] net-next: mediatek: remove superfluous queue wake up + call + +The code checks if the queue should be stopped because we are below the +threshold of free descriptors only to check if it should be started again. +If we do end up in a state where we are at the threshold limit, it makes +more sense to just stop the queue and wait for the next IRQ to trigger the +TX housekeeping again. There is no rush in enqueuing the next packet, it +needs to wait for all the others in the queue to be dispatched first +anyway. + +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 7 ++----- + 1 file changed, 2 insertions(+), 5 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -795,12 +795,9 @@ static int mtk_start_xmit(struct sk_buff + if (mtk_tx_map(skb, dev, tx_num, ring, gso) < 0) + goto drop; + +- if (unlikely(atomic_read(&ring->free_count) <= ring->thresh)) { ++ if (unlikely(atomic_read(&ring->free_count) <= ring->thresh)) + mtk_stop_queue(eth); +- if (unlikely(atomic_read(&ring->free_count) > +- ring->thresh)) +- mtk_wake_queue(eth); +- } ++ + spin_unlock_irqrestore(ð->page_lock, flags); + + return NETDEV_TX_OK; diff --git a/target/linux/mediatek/patches-4.4/0093-net-next-mediatek-remove-superfluous-register-reads.patch b/target/linux/mediatek/patches-4.4/0093-net-next-mediatek-remove-superfluous-register-reads.patch new file mode 100644 index 0000000000..3ddbbc6fd6 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0093-net-next-mediatek-remove-superfluous-register-reads.patch @@ -0,0 +1,37 @@ +From 31428406bf4b9da2a322ae947096414ff0489fb5 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Tue, 3 May 2016 03:57:01 +0200 +Subject: [PATCH 093/102] net-next: mediatek: remove superfluous register + reads + +The driver was originally written for MIPS based SoC. These required the +IRQ mask register to be read after writing it to ensure that the content +was actually applied. As this version only works on ARM based SoC, we can +safely remove the 2 reads as they ware not required. + +Signed-off-by: Sean Wang <keyhaede@gmail.com> +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 4 ---- + 1 file changed, 4 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -335,8 +335,6 @@ static inline void mtk_irq_disable(struc + + val = mtk_r32(eth, MTK_QDMA_INT_MASK); + mtk_w32(eth, val & ~mask, MTK_QDMA_INT_MASK); +- /* flush write */ +- mtk_r32(eth, MTK_QDMA_INT_MASK); + } + + static inline void mtk_irq_enable(struct mtk_eth *eth, u32 mask) +@@ -345,8 +343,6 @@ static inline void mtk_irq_enable(struct + + val = mtk_r32(eth, MTK_QDMA_INT_MASK); + mtk_w32(eth, val | mask, MTK_QDMA_INT_MASK); +- /* flush write */ +- mtk_r32(eth, MTK_QDMA_INT_MASK); + } + + static int mtk_set_mac_address(struct net_device *dev, void *p) diff --git a/target/linux/mediatek/patches-4.4/0094-net-next-mediatek-don-t-use-intermediate-variables-t.patch b/target/linux/mediatek/patches-4.4/0094-net-next-mediatek-don-t-use-intermediate-variables-t.patch new file mode 100644 index 0000000000..983d0c2712 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0094-net-next-mediatek-don-t-use-intermediate-variables-t.patch @@ -0,0 +1,82 @@ +From 441d87495f33fd444a2b2a16f6df07892dac3f89 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Tue, 3 May 2016 04:12:35 +0200 +Subject: [PATCH 094/102] net-next: mediatek: don't use intermediate variables + to store IRQ masks + +The code currently uses variables to store and never modify the bit masks +of interrupts. This is legacy code from an early version of the driver +that supported MIPS based SoCs where the IRQ bits depended on the actual +SoC. As the bits are the same for all ARM based SoC using this driver we +can remove the intermediate variables. + +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 22 ++++++++++------------ + 1 file changed, 10 insertions(+), 12 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -806,7 +806,7 @@ drop: + } + + static int mtk_poll_rx(struct napi_struct *napi, int budget, +- struct mtk_eth *eth, u32 rx_intr) ++ struct mtk_eth *eth) + { + struct mtk_rx_ring *ring = ð->rx_ring; + int idx = ring->calc_idx; +@@ -894,7 +894,7 @@ release_desc: + } + + if (done < budget) +- mtk_w32(eth, rx_intr, MTK_QMTK_INT_STATUS); ++ mtk_w32(eth, MTK_RX_DONE_INT, MTK_QMTK_INT_STATUS); + + return done; + } +@@ -977,28 +977,26 @@ static int mtk_poll_tx(struct mtk_eth *e + static int mtk_poll(struct napi_struct *napi, int budget) + { + struct mtk_eth *eth = container_of(napi, struct mtk_eth, rx_napi); +- u32 status, status2, mask, tx_intr, rx_intr, status_intr; ++ u32 status, status2, mask; + int tx_done, rx_done; + bool tx_again = false; + + status = mtk_r32(eth, MTK_QMTK_INT_STATUS); + status2 = mtk_r32(eth, MTK_INT_STATUS2); +- tx_intr = MTK_TX_DONE_INT; +- rx_intr = MTK_RX_DONE_INT; +- status_intr = (MTK_GDM1_AF | MTK_GDM2_AF); + tx_done = 0; + rx_done = 0; + tx_again = 0; + +- if (status & tx_intr) ++ if (status & MTK_TX_DONE_INT) + tx_done = mtk_poll_tx(eth, budget, &tx_again); + +- if (status & rx_intr) +- rx_done = mtk_poll_rx(napi, budget, eth, rx_intr); ++ if (status & MTK_RX_DONE_INT) ++ rx_done = mtk_poll_rx(napi, budget, eth); + +- if (unlikely(status2 & status_intr)) { ++ if (unlikely(status2 & (MTK_GDM1_AF | MTK_GDM2_AF))) { + mtk_stats_update(eth); +- mtk_w32(eth, status_intr, MTK_INT_STATUS2); ++ mtk_w32(eth, (MTK_GDM1_AF | MTK_GDM2_AF), ++ MTK_INT_STATUS2); + } + + if (unlikely(netif_msg_intr(eth))) { +@@ -1016,7 +1014,7 @@ static int mtk_poll(struct napi_struct * + return budget; + + napi_complete(napi); +- mtk_irq_enable(eth, tx_intr | rx_intr); ++ mtk_irq_enable(eth, MTK_RX_DONE_INT | MTK_RX_DONE_INT); + + return rx_done; + } diff --git a/target/linux/mediatek/patches-4.4/0087-net-next-mediatek-add-IRQ-locking.patch b/target/linux/mediatek/patches-4.4/0095-net-next-mediatek-add-IRQ-locking.patch index 7278d83285..bf27aac15c 100644 --- a/target/linux/mediatek/patches-4.4/0087-net-next-mediatek-add-IRQ-locking.patch +++ b/target/linux/mediatek/patches-4.4/0095-net-next-mediatek-add-IRQ-locking.patch @@ -1,7 +1,7 @@ -From 4ff9304355036d4a00bdf0e47e869fc770ba1cc5 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Wed, 20 Apr 2016 16:18:07 +0200 -Subject: [PATCH 87/91] net-next: mediatek: add IRQ locking +From dd08d1ac4cfc86fbea5ee207b9615922ede88ec6 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Tue, 17 May 2016 06:01:45 +0200 +Subject: [PATCH 095/102] net-next: mediatek: add IRQ locking The code that enables and disables IRQs is missing proper locking. After adding the IRQ separation patch and routing the putting the RX and TX IRQs @@ -10,17 +10,16 @@ locking. We use a dedicated lock to reduce the latency if the IRQ code. Otherwise it might wait for bottom code to finish before reenabling or disabling IRQs. -Signed-off-by: John Crispin <blogic@openwrt.org> +Signed-off-by: Sean Wang <keyhaede@gmail.com> +Signed-off-by: John Crispin <john@phrozen.org> --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 7 +++++++ drivers/net/ethernet/mediatek/mtk_eth_soc.h | 1 + 2 files changed, 8 insertions(+) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 24a4179..f86d551 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -316,22 +316,28 @@ static void mtk_mdio_cleanup(struct mtk_eth *eth) +@@ -331,18 +331,24 @@ static void mtk_mdio_cleanup(struct mtk_ static inline void mtk_irq_disable(struct mtk_eth *eth, u32 mask) { @@ -30,8 +29,6 @@ index 24a4179..f86d551 100644 + spin_lock_irqsave(ð->irq_lock, flags); val = mtk_r32(eth, MTK_QDMA_INT_MASK); mtk_w32(eth, val & ~mask, MTK_QDMA_INT_MASK); - /* flush write */ - mtk_r32(eth, MTK_QDMA_INT_MASK); + spin_unlock_irqrestore(ð->irq_lock, flags); } @@ -43,13 +40,11 @@ index 24a4179..f86d551 100644 + spin_lock_irqsave(ð->irq_lock, flags); val = mtk_r32(eth, MTK_QDMA_INT_MASK); mtk_w32(eth, val | mask, MTK_QDMA_INT_MASK); - /* flush write */ - mtk_r32(eth, MTK_QDMA_INT_MASK); + spin_unlock_irqrestore(ð->irq_lock, flags); } static int mtk_set_mac_address(struct net_device *dev, void *p) -@@ -1752,6 +1758,7 @@ static int mtk_probe(struct platform_device *pdev) +@@ -1771,6 +1777,7 @@ static int mtk_probe(struct platform_dev return -EADDRNOTAVAIL; spin_lock_init(ð->page_lock); @@ -57,11 +52,9 @@ index 24a4179..f86d551 100644 eth->ethsys = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "mediatek,ethsys"); -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -index 57f7e8a..8220275 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -@@ -372,6 +372,7 @@ struct mtk_eth { +@@ -373,6 +373,7 @@ struct mtk_eth { void __iomem *base; struct reset_control *rstc; spinlock_t page_lock; @@ -69,6 +62,3 @@ index 57f7e8a..8220275 100644 struct net_device dummy_dev; struct net_device *netdev[MTK_MAX_DEVS]; struct mtk_mac *mac[MTK_MAX_DEVS]; --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0088-net-next-mediatek-add-support-for-IRQ-grouping.patch b/target/linux/mediatek/patches-4.4/0096-net-next-mediatek-add-support-for-IRQ-grouping.patch index 28183b9098..727073ebcd 100644 --- a/target/linux/mediatek/patches-4.4/0088-net-next-mediatek-add-support-for-IRQ-grouping.patch +++ b/target/linux/mediatek/patches-4.4/0096-net-next-mediatek-add-support-for-IRQ-grouping.patch @@ -1,40 +1,23 @@ -From 41b4500871ab5b1ef27c6fb49ffd8aac8c7e5009 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> +From 190df1a9dbf4d8809b7f991194ce60e47f2290a2 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> Date: Wed, 23 Mar 2016 18:31:48 +0100 -Subject: [PATCH 88/91] net-next: mediatek: add support for IRQ grouping +Subject: [PATCH 096/102] net-next: mediatek: add support for IRQ grouping The ethernet core has 3 IRQs. using the IRQ grouping registers we are able to separate TX and RX IRQs, which allows us to service them on separate -cores. This patch splits the irq handler into 2 separate functiosn, one for -TX and another for RX. The TX housekeeping is split out of the NAPI handler. -Instead we use a tasklet to handle housekeeping. +cores. This patch splits the irq handler into 2 separate functions, one for +TX and another for RX. The TX housekeeping is split out into its own NAPI +handler. -Signed-off-by: John Crispin <blogic@openwrt.org> +Signed-off-by: John Crispin <john@phrozen.org> --- - drivers/net/ethernet/mediatek/mtk_eth_soc.c | 164 ++++++++++++++++++--------- - drivers/net/ethernet/mediatek/mtk_eth_soc.h | 16 ++- - 2 files changed, 124 insertions(+), 56 deletions(-) + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 156 +++++++++++++++++---------- + drivers/net/ethernet/mediatek/mtk_eth_soc.h | 15 ++- + 2 files changed, 111 insertions(+), 60 deletions(-) -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index f86d551..6557026 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -790,7 +790,7 @@ drop: - } - - static int mtk_poll_rx(struct napi_struct *napi, int budget, -- struct mtk_eth *eth, u32 rx_intr) -+ struct mtk_eth *eth) - { - struct mtk_rx_ring *ring = ð->rx_ring; - int idx = ring->calc_idx; -@@ -878,19 +878,18 @@ release_desc: - } - - if (done < budget) -- mtk_w32(eth, rx_intr, MTK_QMTK_INT_STATUS); -+ mtk_w32(eth, MTK_RX_DONE_INT, MTK_QMTK_INT_STATUS); - +@@ -905,14 +905,13 @@ release_desc: return done; } @@ -51,20 +34,21 @@ index f86d551..6557026 100644 u32 cpu, dma; static int condition; int i; -@@ -944,63 +943,80 @@ static int mtk_poll_tx(struct mtk_eth *eth, int budget, bool *tx_again) +@@ -964,63 +963,82 @@ static int mtk_poll_tx(struct mtk_eth *e + netdev_completed_queue(eth->netdev[i], done, bytes); } - /* read hw index again make sure no new tx packet */ +- /* read hw index again make sure no new tx packet */ - if (cpu != dma || cpu != mtk_r32(eth, MTK_QTX_DRX_PTR)) - *tx_again = true; - else -+ if (cpu == dma && cpu == mtk_r32(eth, MTK_QTX_DRX_PTR)) - mtk_w32(eth, MTK_TX_DONE_INT, MTK_QMTK_INT_STATUS); - +- mtk_w32(eth, MTK_TX_DONE_INT, MTK_QMTK_INT_STATUS); +- - if (!total) - return 0; - - if (atomic_read(&ring->free_count) > ring->thresh) + if (mtk_queue_stopped(eth) && + (atomic_read(&ring->free_count) > ring->thresh)) mtk_wake_queue(eth); - return total; @@ -75,33 +59,30 @@ index f86d551..6557026 100644 +static void mtk_handle_status_irq(struct mtk_eth *eth) { - struct mtk_eth *eth = container_of(napi, struct mtk_eth, rx_napi); -- u32 status, status2, mask, tx_intr, rx_intr, status_intr; +- u32 status, status2, mask; - int tx_done, rx_done; - bool tx_again = false; - - status = mtk_r32(eth, MTK_QMTK_INT_STATUS); - status2 = mtk_r32(eth, MTK_INT_STATUS2); -- tx_intr = MTK_TX_DONE_INT; -- rx_intr = MTK_RX_DONE_INT; -- status_intr = (MTK_GDM1_AF | MTK_GDM2_AF); - tx_done = 0; - rx_done = 0; - tx_again = 0; - -- if (status & tx_intr) +- if (status & MTK_TX_DONE_INT) - tx_done = mtk_poll_tx(eth, budget, &tx_again); - -- if (status & rx_intr) -- rx_done = mtk_poll_rx(napi, budget, eth, rx_intr); +- if (status & MTK_RX_DONE_INT) +- rx_done = mtk_poll_rx(napi, budget, eth); + u32 status2 = mtk_r32(eth, MTK_INT_STATUS2); -+ u32 status_intr = (MTK_GDM1_AF | MTK_GDM2_AF); - if (unlikely(status2 & status_intr)) { + if (unlikely(status2 & (MTK_GDM1_AF | MTK_GDM2_AF))) { mtk_stats_update(eth); - mtk_w32(eth, status_intr, MTK_INT_STATUS2); + mtk_w32(eth, (MTK_GDM1_AF | MTK_GDM2_AF), + MTK_INT_STATUS2); } +} - ++ +static int mtk_napi_tx(struct napi_struct *napi, int budget) +{ + struct mtk_eth *eth = container_of(napi, struct mtk_eth, tx_napi); @@ -109,10 +90,11 @@ index f86d551..6557026 100644 + int tx_done = 0; + + mtk_handle_status_irq(eth); -+ -+ status = mtk_r32(eth, MTK_QMTK_INT_STATUS); ++ mtk_w32(eth, MTK_TX_DONE_INT, MTK_QMTK_INT_STATUS); + tx_done = mtk_poll_tx(eth, budget); + if (unlikely(netif_msg_intr(eth))) { ++ status = mtk_r32(eth, MTK_QMTK_INT_STATUS); mask = mtk_r32(eth, MTK_QDMA_INT_MASK); - netdev_info(eth->netdev[0], - "done tx %d, rx %d, intr 0x%08x/0x%x\n", @@ -132,7 +114,7 @@ index f86d551..6557026 100644 return budget; napi_complete(napi); -- mtk_irq_enable(eth, tx_intr | rx_intr); +- mtk_irq_enable(eth, MTK_RX_DONE_INT | MTK_RX_DONE_INT); + mtk_irq_enable(eth, MTK_TX_DONE_INT); + + return tx_done; @@ -144,9 +126,12 @@ index f86d551..6557026 100644 + u32 status, mask; + int rx_done = 0; + -+ status = mtk_r32(eth, MTK_QMTK_INT_STATUS); ++ mtk_handle_status_irq(eth); ++ mtk_w32(eth, MTK_RX_DONE_INT, MTK_QMTK_INT_STATUS); + rx_done = mtk_poll_rx(napi, budget, eth); ++ + if (unlikely(netif_msg_intr(eth))) { ++ status = mtk_r32(eth, MTK_QMTK_INT_STATUS); + mask = mtk_r32(eth, MTK_QDMA_INT_MASK); + dev_info(eth->dev, + "done rx %d, intr 0x%08x/0x%x\n", @@ -165,7 +150,7 @@ index f86d551..6557026 100644 return rx_done; } -@@ -1237,22 +1253,44 @@ static void mtk_tx_timeout(struct net_device *dev) +@@ -1256,22 +1274,26 @@ static void mtk_tx_timeout(struct net_de schedule_work(ð->pending_work); } @@ -173,49 +158,37 @@ index f86d551..6557026 100644 +static irqreturn_t mtk_handle_irq_rx(int irq, void *_eth) { struct mtk_eth *eth = _eth; - u32 status; +- u32 status; - status = mtk_r32(eth, MTK_QMTK_INT_STATUS); -+ status &= ~MTK_TX_DONE_INT; -+ - if (unlikely(!status)) - return IRQ_NONE; +- status = mtk_r32(eth, MTK_QMTK_INT_STATUS); +- if (unlikely(!status)) +- return IRQ_NONE; ++ if (likely(napi_schedule_prep(ð->rx_napi))) { ++ __napi_schedule(ð->rx_napi); ++ mtk_irq_disable(eth, MTK_RX_DONE_INT); ++ } - if (likely(status & (MTK_RX_DONE_INT | MTK_TX_DONE_INT))) { -+ if (status & MTK_RX_DONE_INT) { - if (likely(napi_schedule_prep(ð->rx_napi))) - __napi_schedule(ð->rx_napi); +- if (likely(napi_schedule_prep(ð->rx_napi))) +- __napi_schedule(ð->rx_napi); - } else { - mtk_w32(eth, status, MTK_QMTK_INT_STATUS); -+ mtk_irq_disable(eth, MTK_RX_DONE_INT); -+ } -+ mtk_w32(eth, status, MTK_QMTK_INT_STATUS); -+ + return IRQ_HANDLED; +} + +static irqreturn_t mtk_handle_irq_tx(int irq, void *_eth) +{ + struct mtk_eth *eth = _eth; -+ u32 status; -+ -+ status = mtk_r32(eth, MTK_QMTK_INT_STATUS); -+ status &= ~MTK_RX_DONE_INT; -+ -+ if (unlikely(!status)) -+ return IRQ_NONE; + -+ if (status & MTK_TX_DONE_INT) { -+ if (likely(napi_schedule_prep(ð->tx_napi))) -+ __napi_schedule(ð->tx_napi); ++ if (likely(napi_schedule_prep(ð->tx_napi))) { ++ __napi_schedule(ð->tx_napi); + mtk_irq_disable(eth, MTK_TX_DONE_INT); } - mtk_irq_disable(eth, (MTK_RX_DONE_INT | MTK_TX_DONE_INT)); -+ mtk_w32(eth, status, MTK_QMTK_INT_STATUS); return IRQ_HANDLED; } -@@ -1265,7 +1303,7 @@ static void mtk_poll_controller(struct net_device *dev) +@@ -1284,7 +1306,7 @@ static void mtk_poll_controller(struct n u32 int_mask = MTK_TX_DONE_INT | MTK_RX_DONE_INT; mtk_irq_disable(eth, int_mask); @@ -224,7 +197,7 @@ index f86d551..6557026 100644 mtk_irq_enable(eth, int_mask); } #endif -@@ -1301,6 +1339,7 @@ static int mtk_open(struct net_device *dev) +@@ -1320,6 +1342,7 @@ static int mtk_open(struct net_device *d if (err) return err; @@ -232,7 +205,7 @@ index f86d551..6557026 100644 napi_enable(ð->rx_napi); mtk_irq_enable(eth, MTK_TX_DONE_INT | MTK_RX_DONE_INT); } -@@ -1349,6 +1388,7 @@ static int mtk_stop(struct net_device *dev) +@@ -1368,6 +1391,7 @@ static int mtk_stop(struct net_device *d return 0; mtk_irq_disable(eth, MTK_TX_DONE_INT | MTK_RX_DONE_INT); @@ -240,7 +213,7 @@ index f86d551..6557026 100644 napi_disable(ð->rx_napi); mtk_stop_dma(eth, MTK_QDMA_GLO_CFG); -@@ -1386,7 +1426,11 @@ static int __init mtk_hw_init(struct mtk_eth *eth) +@@ -1405,7 +1429,11 @@ static int __init mtk_hw_init(struct mtk /* Enable RX VLan Offloading */ mtk_w32(eth, 1, MTK_CDMP_EG_CTRL); @@ -253,7 +226,7 @@ index f86d551..6557026 100644 dev_name(eth->dev), eth); if (err) return err; -@@ -1402,7 +1446,11 @@ static int __init mtk_hw_init(struct mtk_eth *eth) +@@ -1421,7 +1449,11 @@ static int __init mtk_hw_init(struct mtk mtk_w32(eth, 0, MTK_RST_GL); /* FE int grouping */ @@ -266,7 +239,7 @@ index f86d551..6557026 100644 for (i = 0; i < 2; i++) { u32 val = mtk_r32(eth, MTK_GDMA_FWD_CFG(i)); -@@ -1450,7 +1498,9 @@ static void mtk_uninit(struct net_device *dev) +@@ -1469,7 +1501,9 @@ static void mtk_uninit(struct net_device phy_disconnect(mac->phy_dev); mtk_mdio_cleanup(eth); mtk_irq_disable(eth, ~0); @@ -277,7 +250,7 @@ index f86d551..6557026 100644 } static int mtk_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) -@@ -1725,10 +1775,10 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) +@@ -1744,10 +1778,10 @@ static int mtk_add_mac(struct mtk_eth *e dev_err(eth->dev, "error bringing up device\n"); goto free_netdev; } @@ -290,7 +263,7 @@ index f86d551..6557026 100644 return 0; -@@ -1745,6 +1795,7 @@ static int mtk_probe(struct platform_device *pdev) +@@ -1764,6 +1798,7 @@ static int mtk_probe(struct platform_dev struct mtk_soc_data *soc; struct mtk_eth *eth; int err; @@ -298,7 +271,7 @@ index f86d551..6557026 100644 match = of_match_device(of_mtk_match, &pdev->dev); soc = (struct mtk_soc_data *)match->data; -@@ -1780,10 +1831,12 @@ static int mtk_probe(struct platform_device *pdev) +@@ -1799,10 +1834,12 @@ static int mtk_probe(struct platform_dev return PTR_ERR(eth->rstc); } @@ -315,7 +288,7 @@ index f86d551..6557026 100644 } eth->clk_ethif = devm_clk_get(&pdev->dev, "ethif"); -@@ -1824,7 +1877,9 @@ static int mtk_probe(struct platform_device *pdev) +@@ -1843,7 +1880,9 @@ static int mtk_probe(struct platform_dev * for NAPI to work */ init_dummy_netdev(ð->dummy_dev); @@ -326,7 +299,7 @@ index f86d551..6557026 100644 MTK_NAPI_WEIGHT); platform_set_drvdata(pdev, eth); -@@ -1845,6 +1900,7 @@ static int mtk_remove(struct platform_device *pdev) +@@ -1864,6 +1903,7 @@ static int mtk_remove(struct platform_de clk_disable_unprepare(eth->clk_gp1); clk_disable_unprepare(eth->clk_gp2); @@ -334,8 +307,6 @@ index f86d551..6557026 100644 netif_napi_del(ð->rx_napi); mtk_cleanup(eth); platform_set_drvdata(pdev, NULL); -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -index 8220275..bf158f8 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -68,6 +68,10 @@ @@ -349,7 +320,7 @@ index 8220275..bf158f8 100644 /* QDMA TX Queue Configuration Registers */ #define MTK_QTX_CFG(x) (0x1800 + (x * 0x10)) #define QDMA_RES_THRES 4 -@@ -124,6 +128,11 @@ +@@ -125,6 +129,11 @@ #define MTK_TX_DONE_INT (MTK_TX_DONE_INT0 | MTK_TX_DONE_INT1 | \ MTK_TX_DONE_INT2 | MTK_TX_DONE_INT3) @@ -361,7 +332,7 @@ index 8220275..bf158f8 100644 /* QDMA Interrupt Status Register */ #define MTK_QDMA_INT_MASK 0x1A1C -@@ -355,7 +364,8 @@ struct mtk_rx_ring { +@@ -356,7 +365,8 @@ struct mtk_rx_ring { * @dma_refcnt: track how many netdevs are using the DMA engine * @tx_ring: Pointer to the memore holding info about the TX ring * @rx_ring: Pointer to the memore holding info about the RX ring @@ -371,7 +342,7 @@ index 8220275..bf158f8 100644 * @scratch_ring: Newer SoCs need memory for a second HW managed TX ring * @phy_scratch_ring: physical address of scratch_ring * @scratch_head: The scratch memory that scratch_ring points to. -@@ -376,7 +386,7 @@ struct mtk_eth { +@@ -377,7 +387,7 @@ struct mtk_eth { struct net_device dummy_dev; struct net_device *netdev[MTK_MAX_DEVS]; struct mtk_mac *mac[MTK_MAX_DEVS]; @@ -380,7 +351,7 @@ index 8220275..bf158f8 100644 u32 msg_enable; unsigned long sysclk; struct regmap *ethsys; -@@ -384,6 +394,7 @@ struct mtk_eth { +@@ -385,6 +395,7 @@ struct mtk_eth { atomic_t dma_refcnt; struct mtk_tx_ring tx_ring; struct mtk_rx_ring rx_ring; @@ -388,14 +359,3 @@ index 8220275..bf158f8 100644 struct napi_struct rx_napi; struct mtk_tx_dma *scratch_ring; dma_addr_t phy_scratch_ring; -@@ -394,6 +405,7 @@ struct mtk_eth { - struct clk *clk_gp2; - struct mii_bus *mii_bus; - struct work_struct pending_work; -+ - }; - - /* struct mtk_mac - the structure that holds the info about the MACs of the --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0098-net-next-mediatek-only-trigger-the-tx-watchdog-reset.patch b/target/linux/mediatek/patches-4.4/0098-net-next-mediatek-only-trigger-the-tx-watchdog-reset.patch new file mode 100644 index 0000000000..cc18be53b4 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0098-net-next-mediatek-only-trigger-the-tx-watchdog-reset.patch @@ -0,0 +1,57 @@ +From cd1343c14328a5de1a58c47b81b8a2febb31d542 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +Date: Tue, 10 May 2016 11:16:30 +0200 +Subject: [PATCH 098/102] net-next: mediatek: only trigger the tx watchdog + reset when all devices are stalled + +Signed-off-by: Sean Wang <keyhaede@gmail.com> +Signed-off-by: John Crispin <john@phrozen.org> +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 14 ++++++++++++-- + drivers/net/ethernet/mediatek/mtk_eth_soc.h | 1 + + 2 files changed, 13 insertions(+), 2 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -1267,11 +1267,21 @@ static void mtk_tx_timeout(struct net_de + { + struct mtk_mac *mac = netdev_priv(dev); + struct mtk_eth *eth = mac->hw; ++ int i, reset = 0; + + eth->netdev[mac->id]->stats.tx_errors++; + netif_err(eth, tx_err, dev, + "transmit timed out\n"); +- schedule_work(ð->pending_work); ++ ++ for (i = 0; i < MTK_MAC_COUNT; i++) { ++ if (!eth->netdev[i] || ++ time_after(jiffies, dev_trans_start(eth->netdev[i]) + ++ MTK_WDT_TIMEOUT)) ++ reset++; ++ } ++ ++ if (reset == MTK_MAC_COUNT) ++ schedule_work(ð->pending_work); + } + + static irqreturn_t mtk_handle_irq_rx(int irq, void *_eth) +@@ -1765,7 +1775,7 @@ static int mtk_add_mac(struct mtk_eth *e + mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; + + SET_NETDEV_DEV(eth->netdev[id], eth->dev); +- eth->netdev[id]->watchdog_timeo = 5 * HZ; ++ eth->netdev[id]->watchdog_timeo = MTK_WDT_TIMEOUT; + eth->netdev[id]->netdev_ops = &mtk_netdev_ops; + eth->netdev[id]->base_addr = (unsigned long)eth->base; + eth->netdev[id]->vlan_features = MTK_HW_FEATURES & +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h +@@ -15,6 +15,7 @@ + #ifndef MTK_ETH_H + #define MTK_ETH_H + ++#define MTK_WDT_TIMEOUT (4 * HZ) + #define MTK_QDMA_PAGE_SIZE 2048 + #define MTK_MAX_RX_LENGTH 1536 + #define MTK_TX_DMA_BUF_LEN 0x3fff diff --git a/target/linux/mediatek/patches-4.4/0089-net-mediatek-add-gsw-mt7530-driver.patch b/target/linux/mediatek/patches-4.4/0101-net-mediatek-add-gsw-mt7530-driver.patch index f035b24e05..4d931fc0fa 100644 --- a/target/linux/mediatek/patches-4.4/0089-net-mediatek-add-gsw-mt7530-driver.patch +++ b/target/linux/mediatek/patches-4.4/0101-net-mediatek-add-gsw-mt7530-driver.patch @@ -1,7 +1,7 @@ -From 46f10e3c9c25668efb85babe9ac5e37d019c2794 Mon Sep 17 00:00:00 2001 +From 6b8a7257e7bcb56782c3f8048311670fe6a80209 Mon Sep 17 00:00:00 2001 From: John Crispin <blogic@openwrt.org> Date: Mon, 11 Apr 2016 03:11:54 +0200 -Subject: [PATCH 89/91] net: mediatek add gsw/mt7530 driver +Subject: [PATCH 101/102] net: mediatek add gsw/mt7530 driver Signed-off-by: John Crispin <blogic@openwrt.org> --- @@ -11,15 +11,13 @@ Signed-off-by: John Crispin <blogic@openwrt.org> drivers/net/ethernet/mediatek/mt7530.c | 808 ++++++++++++++++++++ drivers/net/ethernet/mediatek/mt7530.h | 20 + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 59 +- - drivers/net/ethernet/mediatek/mtk_eth_soc.h | 4 + - 7 files changed, 2198 insertions(+), 30 deletions(-) + drivers/net/ethernet/mediatek/mtk_eth_soc.h | 5 + + 7 files changed, 2199 insertions(+), 30 deletions(-) create mode 100644 drivers/net/ethernet/mediatek/gsw_mt7620.h create mode 100644 drivers/net/ethernet/mediatek/gsw_mt7623.c create mode 100644 drivers/net/ethernet/mediatek/mt7530.c create mode 100644 drivers/net/ethernet/mediatek/mt7530.h -diff --git a/drivers/net/ethernet/mediatek/Makefile b/drivers/net/ethernet/mediatek/Makefile -index aa3f1c8..82001c4 100644 --- a/drivers/net/ethernet/mediatek/Makefile +++ b/drivers/net/ethernet/mediatek/Makefile @@ -2,4 +2,4 @@ @@ -28,9 +26,6 @@ index aa3f1c8..82001c4 100644 -obj-$(CONFIG_NET_MEDIATEK_SOC) += mtk_eth_soc.o +obj-$(CONFIG_NET_MEDIATEK_SOC) += mt7530.o gsw_mt7623.o mtk_eth_soc.o -diff --git a/drivers/net/ethernet/mediatek/gsw_mt7620.h b/drivers/net/ethernet/mediatek/gsw_mt7620.h -new file mode 100644 -index 0000000..6fca8f2 --- /dev/null +++ b/drivers/net/ethernet/mediatek/gsw_mt7620.h @@ -0,0 +1,251 @@ @@ -285,9 +280,6 @@ index 0000000..6fca8f2 +void mt7620_handle_carrier(struct mtk_eth *eth); + +#endif -diff --git a/drivers/net/ethernet/mediatek/gsw_mt7623.c b/drivers/net/ethernet/mediatek/gsw_mt7623.c -new file mode 100644 -index 0000000..0c6b8a6 --- /dev/null +++ b/drivers/net/ethernet/mediatek/gsw_mt7623.c @@ -0,0 +1,1084 @@ @@ -1375,9 +1367,6 @@ index 0000000..0c6b8a6 +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); +MODULE_DESCRIPTION("GBit switch driver for Mediatek MT7623 SoC"); -diff --git a/drivers/net/ethernet/mediatek/mt7530.c b/drivers/net/ethernet/mediatek/mt7530.c -new file mode 100644 -index 0000000..2e9d280 --- /dev/null +++ b/drivers/net/ethernet/mediatek/mt7530.c @@ -0,0 +1,808 @@ @@ -2189,9 +2178,6 @@ index 0000000..2e9d280 + + return 0; +} -diff --git a/drivers/net/ethernet/mediatek/mt7530.h b/drivers/net/ethernet/mediatek/mt7530.h -new file mode 100644 -index 0000000..1fc8c62 --- /dev/null +++ b/drivers/net/ethernet/mediatek/mt7530.h @@ -0,0 +1,20 @@ @@ -2215,8 +2201,6 @@ index 0000000..1fc8c62 +int mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus, int vlan); + +#endif -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -index 6557026..bb62b91 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -24,6 +24,9 @@ @@ -2229,7 +2213,7 @@ index 6557026..bb62b91 100644 static int mtk_msg_level = -1; module_param_named(msg_level, mtk_msg_level, int, 0); MODULE_PARM_DESC(msg_level, "Message level (-1=defaults,0=none,...,16=all)"); -@@ -69,7 +72,7 @@ static int mtk_mdio_busy_wait(struct mtk_eth *eth) +@@ -69,7 +72,7 @@ static int mtk_mdio_busy_wait(struct mtk return 0; if (time_after(jiffies, t_start + PHY_IAC_TIMEOUT)) break; @@ -2238,7 +2222,7 @@ index 6557026..bb62b91 100644 } dev_err(eth->dev, "mdio: MDIO timeout\n"); -@@ -1408,15 +1411,6 @@ static int __init mtk_hw_init(struct mtk_eth *eth) +@@ -1421,15 +1424,6 @@ static int __init mtk_hw_init(struct mtk reset_control_deassert(eth->rstc); usleep_range(10, 20); @@ -2254,7 +2238,7 @@ index 6557026..bb62b91 100644 /* GE1, Force 1000M/FD, FC ON */ mtk_w32(eth, MAC_MCR_FIXED_LINK, MTK_MAC_MCR(0)); -@@ -1439,6 +1433,8 @@ static int __init mtk_hw_init(struct mtk_eth *eth) +@@ -1452,6 +1446,8 @@ static int __init mtk_hw_init(struct mtk if (err) return err; @@ -2262,8 +2246,8 @@ index 6557026..bb62b91 100644 + /* disable delay and normal interrupt */ mtk_w32(eth, 0, MTK_QDMA_DELAY_INT); - mtk_irq_disable(eth, MTK_TX_DONE_INT | MTK_RX_DONE_INT); -@@ -1466,6 +1462,8 @@ static int __init mtk_hw_init(struct mtk_eth *eth) + mtk_irq_disable(eth, ~0); +@@ -1479,6 +1475,8 @@ static int __init mtk_hw_init(struct mtk mtk_w32(eth, val, MTK_GDMA_FWD_CFG(i)); } @@ -2272,7 +2256,7 @@ index 6557026..bb62b91 100644 return 0; } -@@ -1721,7 +1719,7 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) +@@ -1734,7 +1732,7 @@ static int mtk_add_mac(struct mtk_eth *e { struct mtk_mac *mac; const __be32 *_id = of_get_property(np, "reg", NULL); @@ -2281,7 +2265,7 @@ index 6557026..bb62b91 100644 if (!_id) { dev_err(eth->dev, "missing mac id\n"); -@@ -1755,8 +1753,8 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) +@@ -1768,8 +1766,8 @@ static int mtk_add_mac(struct mtk_eth *e GFP_KERNEL); if (!mac->hw_stats) { dev_err(eth->dev, "failed to allocate counter memory\n"); @@ -2292,7 +2276,7 @@ index 6557026..bb62b91 100644 } spin_lock_init(&mac->hw_stats->stats_lock); mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; -@@ -1770,21 +1768,9 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) +@@ -1783,21 +1781,9 @@ static int mtk_add_mac(struct mtk_eth *e eth->netdev[id]->features |= MTK_HW_FEATURES; eth->netdev[id]->ethtool_ops = &mtk_ethtool_ops; @@ -2314,7 +2298,7 @@ index 6557026..bb62b91 100644 } static int mtk_probe(struct platform_device *pdev) -@@ -1852,14 +1838,13 @@ static int mtk_probe(struct platform_device *pdev) +@@ -1865,14 +1851,13 @@ static int mtk_probe(struct platform_dev clk_prepare_enable(eth->clk_gp1); clk_prepare_enable(eth->clk_gp2); @@ -2332,7 +2316,7 @@ index 6557026..bb62b91 100644 for_each_child_of_node(pdev->dev.of_node, mac_np) { if (!of_device_is_compatible(mac_np, "mediatek,eth-mac")) -@@ -1873,6 +1858,22 @@ static int mtk_probe(struct platform_device *pdev) +@@ -1886,6 +1871,22 @@ static int mtk_probe(struct platform_dev goto err_free_dev; } @@ -2355,26 +2339,22 @@ index 6557026..bb62b91 100644 /* we run 2 devices on the same DMA ring so we need a dummy device * for NAPI to work */ -diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -index bf158f8..5093518 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -@@ -406,6 +406,8 @@ struct mtk_eth { +@@ -407,6 +407,9 @@ struct mtk_eth { + struct clk *clk_gp2; struct mii_bus *mii_bus; struct work_struct pending_work; - ++ + struct device_node *switch_np; + void *sw_priv; }; /* struct mtk_mac - the structure that holds the info about the MACs of the -@@ -433,4 +435,6 @@ void mtk_stats_update_mac(struct mtk_mac *mac); +@@ -434,4 +437,6 @@ void mtk_stats_update_mac(struct mtk_mac void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg); u32 mtk_r32(struct mtk_eth *eth, unsigned reg); +int mt7623_gsw_config(struct mtk_eth *eth); + #endif /* MTK_ETH_H */ --- -1.7.10.4 - diff --git a/target/linux/mediatek/patches-4.4/0102-net-mediatek-v4.4-backports.patch b/target/linux/mediatek/patches-4.4/0102-net-mediatek-v4.4-backports.patch new file mode 100644 index 0000000000..3561b4020c --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0102-net-mediatek-v4.4-backports.patch @@ -0,0 +1,46 @@ +From c1ff5519a7fd849da5d169036d8175383f807962 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Mon, 11 Apr 2016 06:00:23 +0200 +Subject: [PATCH 102/102] net: mediatek: v4.4 backports + +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 13 ++++++++----- + 1 file changed, 8 insertions(+), 5 deletions(-) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -217,7 +217,7 @@ static int mtk_phy_connect_node(struct m + + dev_info(eth->dev, + "connected mac %d to PHY at %s [uid=%08x, driver=%s]\n", +- mac->id, phydev_name(phydev), phydev->phy_id, ++ mac->id, dev_name(&phydev->dev), phydev->phy_id, + phydev->drv->name); + + mac->phy_dev = phydev; +@@ -1396,6 +1396,7 @@ static int mtk_stop(struct net_device *d + struct mtk_mac *mac = netdev_priv(dev); + struct mtk_eth *eth = mac->hw; + ++ netif_carrier_off(dev); + netif_tx_disable(dev); + phy_stop(mac->phy_dev); + +@@ -1595,11 +1596,13 @@ static int mtk_set_settings(struct net_d + { + struct mtk_mac *mac = netdev_priv(dev); + +- if (cmd->phy_address != mac->phy_dev->mdio.addr) { +- mac->phy_dev = mdiobus_get_phy(mac->hw->mii_bus, +- cmd->phy_address); +- if (!mac->phy_dev) ++ if (cmd->phy_address != mac->phy_dev->addr) { ++ if (mac->hw->mii_bus->phy_map[cmd->phy_address]) { ++ mac->phy_dev = ++ mac->hw->mii_bus->phy_map[cmd->phy_address]; ++ } else { + return -ENODEV; ++ } + } + + return phy_ethtool_sset(mac->phy_dev, cmd); diff --git a/target/linux/mediatek/patches-4.4/0200-devicetree.patch b/target/linux/mediatek/patches-4.4/0200-devicetree.patch index 0f2ba50885..eb743c7247 100644 --- a/target/linux/mediatek/patches-4.4/0200-devicetree.patch +++ b/target/linux/mediatek/patches-4.4/0200-devicetree.patch @@ -1,6 +1,6 @@ --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile -@@ -775,6 +775,8 @@ +@@ -775,6 +775,8 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \ mt6589-aquaris5.dtb \ mt6592-evb.dtb \ mt7623-evb.dtb \ diff --git a/target/linux/mediatek/patches-4.4/0100-block2mtd.patch b/target/linux/mediatek/patches-4.4/0201-block2mtd.patch index 395884b730..395884b730 100644 --- a/target/linux/mediatek/patches-4.4/0100-block2mtd.patch +++ b/target/linux/mediatek/patches-4.4/0201-block2mtd.patch |