diff options
| author | Gabor Juhos <juhosg@openwrt.org> | 2012-07-05 08:26:45 +0000 |
|---|---|---|
| committer | Gabor Juhos <juhosg@openwrt.org> | 2012-07-05 08:26:45 +0000 |
| commit | 7284cf73d69ffad645078ac5c7910913bf9757a5 (patch) | |
| tree | f7b62c68bb0fc803e3e0ec7c410fe658249d3e32 /target/linux/ar71xx | |
| parent | 6b8392eb125419f4edcafbb8db41bcd07fad5be1 (diff) | |
| download | upstream-7284cf73d69ffad645078ac5c7910913bf9757a5.tar.gz upstream-7284cf73d69ffad645078ac5c7910913bf9757a5.tar.bz2 upstream-7284cf73d69ffad645078ac5c7910913bf9757a5.zip | |
ar71xx: refactor PCI code to allow registering multiple PCI controllers
SVN-Revision: 32605
Diffstat (limited to 'target/linux/ar71xx')
17 files changed, 1739 insertions, 15 deletions
diff --git a/target/linux/ar71xx/patches-3.3/140-MIPS-pci-ar724x-avoid-data-bus-error-due-to-a-missin.patch b/target/linux/ar71xx/patches-3.3/140-MIPS-pci-ar724x-avoid-data-bus-error-due-to-a-missin.patch new file mode 100644 index 0000000000..a05b1e7a92 --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/140-MIPS-pci-ar724x-avoid-data-bus-error-due-to-a-missin.patch @@ -0,0 +1,78 @@ +From 9cfa64ddaba49975b420ce5e5020efc3301061ac Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Tue, 26 Jun 2012 10:19:46 +0200 +Subject: [PATCH 01/34] MIPS: pci-ar724x: avoid data bus error due to a missing PCIe module + +If the controller has no PCIe module attached, +accessing of the device configuration space +causes a data bus error. Avoid this by checking +the status of the PCIe link in advance, and +indicate an error if the link is down. + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/pci/pci-ar724x.c | 22 ++++++++++++++++++++++ + 1 files changed, 22 insertions(+), 0 deletions(-) + +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -23,9 +23,12 @@ + #define AR724X_PCI_MEM_BASE 0x10000000 + #define AR724X_PCI_MEM_SIZE 0x08000000 + ++#define AR724X_PCI_REG_RESET 0x18 + #define AR724X_PCI_REG_INT_STATUS 0x4c + #define AR724X_PCI_REG_INT_MASK 0x50 + ++#define AR724X_PCI_RESET_LINK_UP BIT(0) ++ + #define AR724X_PCI_INT_DEV0 BIT(14) + + #define AR724X_PCI_IRQ_COUNT 1 +@@ -38,6 +41,15 @@ static void __iomem *ar724x_pci_ctrl_bas + + static u32 ar724x_pci_bar0_value; + static bool ar724x_pci_bar0_is_cached; ++static bool ar724x_pci_link_up; ++ ++static inline bool ar724x_pci_check_link(void) ++{ ++ u32 reset; ++ ++ reset = __raw_readl(ar724x_pci_ctrl_base + AR724X_PCI_REG_RESET); ++ return reset & AR724X_PCI_RESET_LINK_UP; ++} + + static int ar724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where, + int size, uint32_t *value) +@@ -46,6 +58,9 @@ static int ar724x_pci_read(struct pci_bu + void __iomem *base; + u32 data; + ++ if (!ar724x_pci_link_up) ++ return PCIBIOS_DEVICE_NOT_FOUND; ++ + if (devfn) + return PCIBIOS_DEVICE_NOT_FOUND; + +@@ -96,6 +111,9 @@ static int ar724x_pci_write(struct pci_b + u32 data; + int s; + ++ if (!ar724x_pci_link_up) ++ return PCIBIOS_DEVICE_NOT_FOUND; ++ + if (devfn) + return PCIBIOS_DEVICE_NOT_FOUND; + +@@ -280,6 +298,10 @@ int __init ar724x_pcibios_init(int irq) + if (ar724x_pci_ctrl_base == NULL) + goto err_unmap_devcfg; + ++ ar724x_pci_link_up = ar724x_pci_check_link(); ++ if (!ar724x_pci_link_up) ++ pr_warn("ar724x: PCIe link is down\n"); ++ + ar724x_pci_irq_init(irq); + register_pci_controller(&ar724x_pci_controller); + diff --git a/target/linux/ar71xx/patches-3.3/141-MIPS-pci-ar724x-use-correct-value-for-AR724X_PCI_MEM.patch b/target/linux/ar71xx/patches-3.3/141-MIPS-pci-ar724x-use-correct-value-for-AR724X_PCI_MEM.patch new file mode 100644 index 0000000000..d409a7a6a1 --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/141-MIPS-pci-ar724x-use-correct-value-for-AR724X_PCI_MEM.patch @@ -0,0 +1,24 @@ +From 4b0f8aaea1f9e2f931c4de785d9ce46ff7164627 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Sun, 17 Jun 2012 12:55:24 +0200 +Subject: [PATCH 02/34] MIPS: pci-ar724x: use correct value for AR724X_PCI_MEM_SIZE + +The current definiton is wrong, it is conflicting +with AR724X_PCI_CFG_BASE. + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/pci/pci-ar724x.c | 2 +- + 1 files changed, 1 insertions(+), 1 deletions(-) + +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -21,7 +21,7 @@ + #define AR724X_PCI_CTRL_SIZE 0x100 + + #define AR724X_PCI_MEM_BASE 0x10000000 +-#define AR724X_PCI_MEM_SIZE 0x08000000 ++#define AR724X_PCI_MEM_SIZE 0x04000000 + + #define AR724X_PCI_REG_RESET 0x18 + #define AR724X_PCI_REG_INT_STATUS 0x4c diff --git a/target/linux/ar71xx/patches-3.3/142-MIPS-pci-ar71xx-fix-AR71XX_PCI_MEM_SIZE.patch b/target/linux/ar71xx/patches-3.3/142-MIPS-pci-ar71xx-fix-AR71XX_PCI_MEM_SIZE.patch new file mode 100644 index 0000000000..7fb56f831e --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/142-MIPS-pci-ar71xx-fix-AR71XX_PCI_MEM_SIZE.patch @@ -0,0 +1,21 @@ +From 01dbfe17b8ff628b6e2b3c75e1fc8c11d4cca644 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Thu, 28 Jun 2012 19:19:58 +0200 +Subject: [PATCH 03/34] MIPS: pci-ar71xx: fix AR71XX_PCI_MEM_SIZE + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/pci/pci-ar71xx.c | 2 +- + 1 files changed, 1 insertions(+), 1 deletions(-) + +--- a/arch/mips/pci/pci-ar71xx.c ++++ b/arch/mips/pci/pci-ar71xx.c +@@ -24,7 +24,7 @@ + #include <asm/mach-ath79/pci.h> + + #define AR71XX_PCI_MEM_BASE 0x10000000 +-#define AR71XX_PCI_MEM_SIZE 0x08000000 ++#define AR71XX_PCI_MEM_SIZE 0x07000000 + + #define AR71XX_PCI_WIN0_OFFS 0x10000000 + #define AR71XX_PCI_WIN1_OFFS 0x11000000 diff --git a/target/linux/ar71xx/patches-3.3/143-MIPS-pci-ar724x-convert-to-a-platform-driver.patch b/target/linux/ar71xx/patches-3.3/143-MIPS-pci-ar724x-convert-to-a-platform-driver.patch new file mode 100644 index 0000000000..fd9868963d --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/143-MIPS-pci-ar724x-convert-to-a-platform-driver.patch @@ -0,0 +1,94 @@ +From f2d2d928c3900b67a5f95e53b86de5b61a3ab12c Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Mon, 11 Jun 2012 13:19:44 +0200 +Subject: [PATCH 04/34] MIPS: pci-ar724x: convert to a platform driver + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/pci/pci-ar724x.c | 57 ++++++++++++++++++++++++++++++++++++++++++- + 1 files changed, 55 insertions(+), 2 deletions(-) + +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -11,6 +11,8 @@ + + #include <linux/irq.h> + #include <linux/pci.h> ++#include <linux/module.h> ++#include <linux/platform_device.h> + #include <asm/mach-ath79/ath79.h> + #include <asm/mach-ath79/ar71xx_regs.h> + #include <asm/mach-ath79/pci.h> +@@ -262,7 +264,7 @@ static struct irq_chip ar724x_pci_irq_ch + .irq_mask_ack = ar724x_pci_irq_mask, + }; + +-static void __init ar724x_pci_irq_init(int irq) ++static void __devinit ar724x_pci_irq_init(int irq) + { + void __iomem *base; + int i; +@@ -282,7 +284,7 @@ static void __init ar724x_pci_irq_init(i + irq_set_chained_handler(irq, ar724x_pci_irq_handler); + } + +-int __init ar724x_pcibios_init(int irq) ++int __devinit ar724x_pcibios_init(int irq) + { + int ret; + +@@ -312,3 +314,54 @@ err_unmap_devcfg: + err: + return ret; + } ++ ++static int __devinit ar724x_pci_probe(struct platform_device *pdev) ++{ ++ struct resource *res; ++ int irq; ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ctrl_base"); ++ if (!res) ++ return -EINVAL; ++ ++ ar724x_pci_ctrl_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (ar724x_pci_ctrl_base == NULL) ++ return -EBUSY; ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); ++ if (!res) ++ return -EINVAL; ++ ++ ar724x_pci_devcfg_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (!ar724x_pci_devcfg_base) ++ return -EBUSY; ++ ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) ++ return -EINVAL; ++ ++ ar724x_pci_link_up = ar724x_pci_check_link(); ++ if (!ar724x_pci_link_up) ++ dev_warn(&pdev->dev, "PCIe link is down\n"); ++ ++ ar724x_pci_irq_init(irq); ++ ++ register_pci_controller(&ar724x_pci_controller); ++ ++ return 0; ++} ++ ++static struct platform_driver ar724x_pci_driver = { ++ .probe = ar724x_pci_probe, ++ .driver = { ++ .name = "ar724x-pci", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init ar724x_pci_init(void) ++{ ++ return platform_driver_register(&ar724x_pci_driver); ++} ++ ++postcore_initcall(ar724x_pci_init); diff --git a/target/linux/ar71xx/patches-3.3/144-MIPS-pci-ar71xx-convert-to-a-platform-driver.patch b/target/linux/ar71xx/patches-3.3/144-MIPS-pci-ar71xx-convert-to-a-platform-driver.patch new file mode 100644 index 0000000000..a78469b718 --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/144-MIPS-pci-ar71xx-convert-to-a-platform-driver.patch @@ -0,0 +1,104 @@ +From d1a22e73f991145a4abd7d0c37bcf318703c89ed Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Mon, 11 Jun 2012 13:24:55 +0200 +Subject: [PATCH 05/34] MIPS: pci-ar71xx: convert to a platform driver + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/pci/pci-ar71xx.c | 60 +++++++++++++++++++++++++++++++++++++++++--- + 1 files changed, 56 insertions(+), 4 deletions(-) + +--- a/arch/mips/pci/pci-ar71xx.c ++++ b/arch/mips/pci/pci-ar71xx.c +@@ -18,6 +18,8 @@ + #include <linux/pci.h> + #include <linux/pci_regs.h> + #include <linux/interrupt.h> ++#include <linux/module.h> ++#include <linux/platform_device.h> + + #include <asm/mach-ath79/ar71xx_regs.h> + #include <asm/mach-ath79/ath79.h> +@@ -309,7 +311,7 @@ static struct irq_chip ar71xx_pci_irq_ch + .irq_mask_ack = ar71xx_pci_irq_mask, + }; + +-static __init void ar71xx_pci_irq_init(void) ++static __devinit void ar71xx_pci_irq_init(int irq) + { + void __iomem *base = ath79_reset_base; + int i; +@@ -324,10 +326,10 @@ static __init void ar71xx_pci_irq_init(v + irq_set_chip_and_handler(i, &ar71xx_pci_irq_chip, + handle_level_irq); + +- irq_set_chained_handler(ATH79_CPU_IRQ_IP2, ar71xx_pci_irq_handler); ++ irq_set_chained_handler(irq, ar71xx_pci_irq_handler); + } + +-static __init void ar71xx_pci_reset(void) ++static __devinit void ar71xx_pci_reset(void) + { + void __iomem *ddr_base = ath79_ddr_base; + +@@ -367,9 +369,59 @@ __init int ar71xx_pcibios_init(void) + /* clear bus errors */ + ar71xx_pci_check_error(1); + +- ar71xx_pci_irq_init(); ++ ar71xx_pci_irq_init(ATH79_CPU_IRQ_IP2); + + register_pci_controller(&ar71xx_pci_controller); + + return 0; + } ++ ++static int __devinit ar71xx_pci_probe(struct platform_device *pdev) ++{ ++ struct resource *res; ++ int irq; ++ u32 t; ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); ++ if (!res) ++ return -EINVAL; ++ ++ ar71xx_pcicfg_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (!ar71xx_pcicfg_base) ++ return -ENOMEM; ++ ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) ++ return -EINVAL; ++ ++ ar71xx_pci_reset(); ++ ++ /* setup COMMAND register */ ++ t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE ++ | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; ++ ar71xx_pci_local_write(PCI_COMMAND, 4, t); ++ ++ /* clear bus errors */ ++ ar71xx_pci_check_error(1); ++ ++ ar71xx_pci_irq_init(irq); ++ ++ register_pci_controller(&ar71xx_pci_controller); ++ ++ return 0; ++} ++ ++static struct platform_driver ar71xx_pci_driver = { ++ .probe = ar71xx_pci_probe, ++ .driver = { ++ .name = "ar71xx-pci", ++ .owner = THIS_MODULE, ++ }, ++}; ++ ++static int __init ar71xx_pci_init(void) ++{ ++ return platform_driver_register(&ar71xx_pci_driver); ++} ++ ++postcore_initcall(ar71xx_pci_init); diff --git a/target/linux/ar71xx/patches-3.3/145-MIPS-ath79-move-global-PCI-defines-into-a-common-hea.patch b/target/linux/ar71xx/patches-3.3/145-MIPS-ath79-move-global-PCI-defines-into-a-common-hea.patch new file mode 100644 index 0000000000..4861db00f3 --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/145-MIPS-ath79-move-global-PCI-defines-into-a-common-hea.patch @@ -0,0 +1,94 @@ +From c3a8b5fa196cedc4b940c1e5ec482dd875aa3180 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Mon, 11 Jun 2012 13:38:06 +0200 +Subject: [PATCH 06/34] MIPS: ath79: move global PCI defines into a common header + +The constants will be used by a subsequent patch. + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 24 ++++++++++++++++++++++++ + arch/mips/pci/pci-ar71xx.c | 16 ---------------- + arch/mips/pci/pci-ar724x.c | 8 -------- + 3 files changed, 24 insertions(+), 24 deletions(-) + +--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h ++++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h +@@ -41,11 +41,35 @@ + #define AR71XX_RESET_BASE (AR71XX_APB_BASE + 0x00060000) + #define AR71XX_RESET_SIZE 0x100 + ++#define AR71XX_PCI_MEM_BASE 0x10000000 ++#define AR71XX_PCI_MEM_SIZE 0x07000000 ++ ++#define AR71XX_PCI_WIN0_OFFS 0x10000000 ++#define AR71XX_PCI_WIN1_OFFS 0x11000000 ++#define AR71XX_PCI_WIN2_OFFS 0x12000000 ++#define AR71XX_PCI_WIN3_OFFS 0x13000000 ++#define AR71XX_PCI_WIN4_OFFS 0x14000000 ++#define AR71XX_PCI_WIN5_OFFS 0x15000000 ++#define AR71XX_PCI_WIN6_OFFS 0x16000000 ++#define AR71XX_PCI_WIN7_OFFS 0x07000000 ++ ++#define AR71XX_PCI_CFG_BASE \ ++ (AR71XX_PCI_MEM_BASE + AR71XX_PCI_WIN7_OFFS + 0x10000) ++#define AR71XX_PCI_CFG_SIZE 0x100 ++ + #define AR7240_USB_CTRL_BASE (AR71XX_APB_BASE + 0x00030000) + #define AR7240_USB_CTRL_SIZE 0x100 + #define AR7240_OHCI_BASE 0x1b000000 + #define AR7240_OHCI_SIZE 0x1000 + ++#define AR724X_PCI_MEM_BASE 0x10000000 ++#define AR724X_PCI_MEM_SIZE 0x04000000 ++ ++#define AR724X_PCI_CFG_BASE 0x14000000 ++#define AR724X_PCI_CFG_SIZE 0x1000 ++#define AR724X_PCI_CTRL_BASE (AR71XX_APB_BASE + 0x000f0000) ++#define AR724X_PCI_CTRL_SIZE 0x100 ++ + #define AR724X_EHCI_BASE 0x1b000000 + #define AR724X_EHCI_SIZE 0x1000 + +--- a/arch/mips/pci/pci-ar71xx.c ++++ b/arch/mips/pci/pci-ar71xx.c +@@ -25,22 +25,6 @@ + #include <asm/mach-ath79/ath79.h> + #include <asm/mach-ath79/pci.h> + +-#define AR71XX_PCI_MEM_BASE 0x10000000 +-#define AR71XX_PCI_MEM_SIZE 0x07000000 +- +-#define AR71XX_PCI_WIN0_OFFS 0x10000000 +-#define AR71XX_PCI_WIN1_OFFS 0x11000000 +-#define AR71XX_PCI_WIN2_OFFS 0x12000000 +-#define AR71XX_PCI_WIN3_OFFS 0x13000000 +-#define AR71XX_PCI_WIN4_OFFS 0x14000000 +-#define AR71XX_PCI_WIN5_OFFS 0x15000000 +-#define AR71XX_PCI_WIN6_OFFS 0x16000000 +-#define AR71XX_PCI_WIN7_OFFS 0x07000000 +- +-#define AR71XX_PCI_CFG_BASE \ +- (AR71XX_PCI_MEM_BASE + AR71XX_PCI_WIN7_OFFS + 0x10000) +-#define AR71XX_PCI_CFG_SIZE 0x100 +- + #define AR71XX_PCI_REG_CRP_AD_CBE 0x00 + #define AR71XX_PCI_REG_CRP_WRDATA 0x04 + #define AR71XX_PCI_REG_CRP_RDDATA 0x08 +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -17,14 +17,6 @@ + #include <asm/mach-ath79/ar71xx_regs.h> + #include <asm/mach-ath79/pci.h> + +-#define AR724X_PCI_CFG_BASE 0x14000000 +-#define AR724X_PCI_CFG_SIZE 0x1000 +-#define AR724X_PCI_CTRL_BASE (AR71XX_APB_BASE + 0x000f0000) +-#define AR724X_PCI_CTRL_SIZE 0x100 +- +-#define AR724X_PCI_MEM_BASE 0x10000000 +-#define AR724X_PCI_MEM_SIZE 0x04000000 +- + #define AR724X_PCI_REG_RESET 0x18 + #define AR724X_PCI_REG_INT_STATUS 0x4c + #define AR724X_PCI_REG_INT_MASK 0x50 diff --git a/target/linux/ar71xx/patches-3.3/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch b/target/linux/ar71xx/patches-3.3/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch new file mode 100644 index 0000000000..cc2572f88e --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/146-MIPS-ath79-register-platform-devices-for-the-PCI-con.patch @@ -0,0 +1,119 @@ +From 2fdf8dcff3ffaa806e9f9d7f1c1bd876222cff4d Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Mon, 11 Jun 2012 13:39:32 +0200 +Subject: [PATCH 07/34] MIPS: ath79: register platform devices for the PCI controllers + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/ath79/pci.c | 87 +++++++++++++++++++++++++++++++++++++++++++----- + 1 files changed, 78 insertions(+), 9 deletions(-) + +--- a/arch/mips/ath79/pci.c ++++ b/arch/mips/ath79/pci.c +@@ -14,6 +14,8 @@ + + #include <linux/init.h> + #include <linux/pci.h> ++#include <linux/resource.h> ++#include <linux/platform_device.h> + #include <asm/mach-ath79/ar71xx_regs.h> + #include <asm/mach-ath79/ath79.h> + #include <asm/mach-ath79/irq.h> +@@ -110,21 +112,88 @@ void __init ath79_pci_set_plat_dev_init( + ath79_pci_plat_dev_init = func; + } + +-int __init ath79_register_pci(void) ++static struct platform_device * ++ath79_register_pci_ar71xx(void) + { +- if (soc_is_ar71xx()) +- return ar71xx_pcibios_init(); ++ struct platform_device *pdev; ++ struct resource res[2]; ++ ++ memset(res, 0, sizeof(res)); + +- if (soc_is_ar724x()) +- return ar724x_pcibios_init(ATH79_CPU_IRQ_IP2); ++ res[0].name = "cfg_base"; ++ res[0].flags = IORESOURCE_MEM; ++ res[0].start = AR71XX_PCI_CFG_BASE; ++ res[0].end = AR71XX_PCI_CFG_BASE + AR71XX_PCI_CFG_SIZE - 1; ++ ++ res[1].flags = IORESOURCE_IRQ; ++ res[1].start = ATH79_CPU_IRQ_IP2; ++ res[1].end = ATH79_CPU_IRQ_IP2; ++ ++ pdev = platform_device_register_simple("ar71xx-pci", -1, ++ res, ARRAY_SIZE(res)); ++ return pdev; ++} + +- if (soc_is_ar9342() || soc_is_ar9344()) { ++static struct platform_device * ++ath79_register_pci_ar724x(int id, ++ unsigned long cfg_base, ++ unsigned long ctrl_base, ++ int irq) ++{ ++ struct platform_device *pdev; ++ struct resource res[3]; ++ ++ memset(res, 0, sizeof(res)); ++ ++ res[0].name = "cfg_base"; ++ res[0].flags = IORESOURCE_MEM; ++ res[0].start = cfg_base; ++ res[0].end = cfg_base + AR724X_PCI_CFG_SIZE - 1; ++ ++ res[1].name = "ctrl_base"; ++ res[1].flags = IORESOURCE_MEM; ++ res[1].start = ctrl_base; ++ res[1].end = ctrl_base + AR724X_PCI_CTRL_SIZE - 1; ++ ++ res[2].flags = IORESOURCE_IRQ; ++ res[2].start = irq; ++ res[2].end = irq; ++ ++ pdev = platform_device_register_simple("ar724x-pci", id, ++ res, ARRAY_SIZE(res)); ++ return pdev; ++} ++ ++int __init ath79_register_pci(void) ++{ ++ struct platform_device *pdev = NULL; ++ ++ if (soc_is_ar71xx()) { ++ pdev = ath79_register_pci_ar71xx(); ++ } else if (soc_is_ar724x()) { ++ pdev = ath79_register_pci_ar724x(-1, ++ AR724X_PCI_CFG_BASE, ++ AR724X_PCI_CTRL_BASE, ++ ATH79_CPU_IRQ_IP2); ++ } else if (soc_is_ar9342() || ++ soc_is_ar9344()) { + u32 bootstrap; + + bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP); +- if (bootstrap & AR934X_BOOTSTRAP_PCIE_RC) +- return ar724x_pcibios_init(ATH79_IP2_IRQ(0)); ++ if ((bootstrap & AR934X_BOOTSTRAP_PCIE_RC) == 0) ++ return -ENODEV; ++ ++ pdev = ath79_register_pci_ar724x(-1, ++ AR724X_PCI_CFG_BASE, ++ AR724X_PCI_CTRL_BASE, ++ ATH79_IP2_IRQ(0)); ++ } else { ++ /* No PCI support */ ++ return -ENODEV; + } + +- return -ENODEV; ++ if (!pdev) ++ pr_err("unable to register PCI controller device\n"); ++ ++ return pdev ? 0 : -ENODEV; + } diff --git a/target/linux/ar71xx/patches-3.3/147-MIPS-ath79-remove-unused-ar7-1x-24-x_pcibios_init-fu.patch b/target/linux/ar71xx/patches-3.3/147-MIPS-ath79-remove-unused-ar7-1x-24-x_pcibios_init-fu.patch new file mode 100644 index 0000000000..0157e347c7 --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/147-MIPS-ath79-remove-unused-ar7-1x-24-x_pcibios_init-fu.patch @@ -0,0 +1,147 @@ +From 07224e2fa5f889162ee0560c6ab1eb8cd16a8dd2 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Mon, 11 Jun 2012 14:59:39 +0200 +Subject: [PATCH 08/34] MIPS: ath79: remove unused ar7{1x,24}x_pcibios_init functions + +The functions are unused now, so remove them. + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/ath79/pci.c | 1 - + arch/mips/include/asm/mach-ath79/pci.h | 28 ---------------------------- + arch/mips/pci/pci-ar71xx.c | 26 -------------------------- + arch/mips/pci/pci-ar724x.c | 32 -------------------------------- + 4 files changed, 0 insertions(+), 87 deletions(-) + delete mode 100644 arch/mips/include/asm/mach-ath79/pci.h + +--- a/arch/mips/ath79/pci.c ++++ b/arch/mips/ath79/pci.c +@@ -19,7 +19,6 @@ + #include <asm/mach-ath79/ar71xx_regs.h> + #include <asm/mach-ath79/ath79.h> + #include <asm/mach-ath79/irq.h> +-#include <asm/mach-ath79/pci.h> + #include "pci.h" + + static int (*ath79_pci_plat_dev_init)(struct pci_dev *dev); +--- a/arch/mips/include/asm/mach-ath79/pci.h ++++ /dev/null +@@ -1,28 +0,0 @@ +-/* +- * Atheros AR71XX/AR724X PCI support +- * +- * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com> +- * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> +- * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.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 __ASM_MACH_ATH79_PCI_H +-#define __ASM_MACH_ATH79_PCI_H +- +-#if defined(CONFIG_PCI) && defined(CONFIG_SOC_AR71XX) +-int ar71xx_pcibios_init(void); +-#else +-static inline int ar71xx_pcibios_init(void) { return 0; } +-#endif +- +-#if defined(CONFIG_PCI_AR724X) +-int ar724x_pcibios_init(int irq); +-#else +-static inline int ar724x_pcibios_init(int irq) { return 0; } +-#endif +- +-#endif /* __ASM_MACH_ATH79_PCI_H */ +--- a/arch/mips/pci/pci-ar71xx.c ++++ b/arch/mips/pci/pci-ar71xx.c +@@ -23,7 +23,6 @@ + + #include <asm/mach-ath79/ar71xx_regs.h> + #include <asm/mach-ath79/ath79.h> +-#include <asm/mach-ath79/pci.h> + + #define AR71XX_PCI_REG_CRP_AD_CBE 0x00 + #define AR71XX_PCI_REG_CRP_WRDATA 0x04 +@@ -335,31 +334,6 @@ static __devinit void ar71xx_pci_reset(v + mdelay(100); + } + +-__init int ar71xx_pcibios_init(void) +-{ +- u32 t; +- +- ar71xx_pcicfg_base = ioremap(AR71XX_PCI_CFG_BASE, AR71XX_PCI_CFG_SIZE); +- if (ar71xx_pcicfg_base == NULL) +- return -ENOMEM; +- +- ar71xx_pci_reset(); +- +- /* setup COMMAND register */ +- t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE +- | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; +- ar71xx_pci_local_write(PCI_COMMAND, 4, t); +- +- /* clear bus errors */ +- ar71xx_pci_check_error(1); +- +- ar71xx_pci_irq_init(ATH79_CPU_IRQ_IP2); +- +- register_pci_controller(&ar71xx_pci_controller); +- +- return 0; +-} +- + static int __devinit ar71xx_pci_probe(struct platform_device *pdev) + { + struct resource *res; +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -15,7 +15,6 @@ + #include <linux/platform_device.h> + #include <asm/mach-ath79/ath79.h> + #include <asm/mach-ath79/ar71xx_regs.h> +-#include <asm/mach-ath79/pci.h> + + #define AR724X_PCI_REG_RESET 0x18 + #define AR724X_PCI_REG_INT_STATUS 0x4c +@@ -276,37 +275,6 @@ static void __devinit ar724x_pci_irq_ini + irq_set_chained_handler(irq, ar724x_pci_irq_handler); + } + +-int __devinit ar724x_pcibios_init(int irq) +-{ +- int ret; +- +- ret = -ENOMEM; +- +- ar724x_pci_devcfg_base = ioremap(AR724X_PCI_CFG_BASE, +- AR724X_PCI_CFG_SIZE); +- if (ar724x_pci_devcfg_base == NULL) +- goto err; +- +- ar724x_pci_ctrl_base = ioremap(AR724X_PCI_CTRL_BASE, +- AR724X_PCI_CTRL_SIZE); +- if (ar724x_pci_ctrl_base == NULL) +- goto err_unmap_devcfg; +- +- ar724x_pci_link_up = ar724x_pci_check_link(); +- if (!ar724x_pci_link_up) +- pr_warn("ar724x: PCIe link is down\n"); +- +- ar724x_pci_irq_init(irq); +- register_pci_controller(&ar724x_pci_controller); +- +- return PCIBIOS_SUCCESSFUL; +- +-err_unmap_devcfg: +- iounmap(ar724x_pci_devcfg_base); +-err: +- return ret; +-} +- + static int __devinit ar724x_pci_probe(struct platform_device *pdev) + { + struct resource *res; diff --git a/target/linux/ar71xx/patches-3.3/148-MIPS-avoid-possible-resource-conflict-in-register_pc.patch b/target/linux/ar71xx/patches-3.3/148-MIPS-avoid-possible-resource-conflict-in-register_pc.patch new file mode 100644 index 0000000000..fc1385fc7f --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/148-MIPS-avoid-possible-resource-conflict-in-register_pc.patch @@ -0,0 +1,35 @@ +From a018b28d3953a32008de839d997a992a724ae314 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Sun, 24 Jun 2012 17:40:45 +0200 +Subject: [PATCH 09/34] MIPS: avoid possible resource conflict in register_pci_controller + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/pci/pci.c | 15 +++++++++++++-- + 1 files changed, 13 insertions(+), 2 deletions(-) + +--- a/arch/mips/pci/pci.c ++++ b/arch/mips/pci/pci.c +@@ -127,9 +127,20 @@ static DEFINE_MUTEX(pci_scan_mutex); + + void __devinit register_pci_controller(struct pci_controller *hose) + { +- if (request_resource(&iomem_resource, hose->mem_resource) < 0) ++ struct resource *parent; ++ ++ parent = hose->mem_resource->parent; ++ if (!parent) ++ parent = &iomem_resource; ++ ++ if (request_resource(parent, hose->mem_resource) < 0) + goto out; +- if (request_resource(&ioport_resource, hose->io_resource) < 0) { ++ ++ parent = hose->io_resource->parent; ++ if (!parent) ++ parent = &ioport_resource; ++ ++ if (request_resource(parent, hose->io_resource) < 0) { + release_resource(hose->mem_resource); + goto out; + } diff --git a/target/linux/ar71xx/patches-3.3/149-MIPS-pci-ar724x-use-dynamically-allocated-PCI-contro.patch b/target/linux/ar71xx/patches-3.3/149-MIPS-pci-ar724x-use-dynamically-allocated-PCI-contro.patch new file mode 100644 index 0000000000..3a67cae2d2 --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/149-MIPS-pci-ar724x-use-dynamically-allocated-PCI-contro.patch @@ -0,0 +1,307 @@ +From 242aedf3246dc5085271aca56134ac455bfb64b5 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Sun, 24 Jun 2012 11:51:34 +0200 +Subject: [PATCH 10/34] MIPS: pci-ar724x: use dynamically allocated PCI controller structure + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/pci/pci-ar724x.c | 129 ++++++++++++++++++++++++++++---------------- + 1 files changed, 82 insertions(+), 47 deletions(-) + +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -9,6 +9,7 @@ + * by the Free Software Foundation. + */ + ++#include <linux/spinlock.h> + #include <linux/irq.h> + #include <linux/pci.h> + #include <linux/module.h> +@@ -28,38 +29,56 @@ + + #define AR7240_BAR0_WAR_VALUE 0xffff + +-static DEFINE_SPINLOCK(ar724x_pci_lock); +-static void __iomem *ar724x_pci_devcfg_base; +-static void __iomem *ar724x_pci_ctrl_base; +- +-static u32 ar724x_pci_bar0_value; +-static bool ar724x_pci_bar0_is_cached; +-static bool ar724x_pci_link_up; ++struct ar724x_pci_controller { ++ void __iomem *devcfg_base; ++ void __iomem *ctrl_base; + +-static inline bool ar724x_pci_check_link(void) ++ int irq; ++ ++ bool link_up; ++ bool bar0_is_cached; ++ u32 bar0_value; ++ ++ spinlock_t lock; ++ ++ struct pci_controller pci_controller; ++}; ++ ++static inline bool ar724x_pci_check_link(struct ar724x_pci_controller *apc) + { + u32 reset; + +- reset = __raw_readl(ar724x_pci_ctrl_base + AR724X_PCI_REG_RESET); ++ reset = __raw_readl(apc->ctrl_base + AR724X_PCI_REG_RESET); + return reset & AR724X_PCI_RESET_LINK_UP; + } + ++static inline struct ar724x_pci_controller * ++pci_bus_to_ar724x_controller(struct pci_bus *bus) ++{ ++ struct pci_controller *hose; ++ ++ hose = (struct pci_controller *) bus->sysdata; ++ return container_of(hose, struct ar724x_pci_controller, pci_controller); ++} ++ + static int ar724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where, + int size, uint32_t *value) + { ++ struct ar724x_pci_controller *apc; + unsigned long flags; + void __iomem *base; + u32 data; + +- if (!ar724x_pci_link_up) ++ apc = pci_bus_to_ar724x_controller(bus); ++ if (!apc->link_up) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (devfn) + return PCIBIOS_DEVICE_NOT_FOUND; + +- base = ar724x_pci_devcfg_base; ++ base = apc->devcfg_base; + +- spin_lock_irqsave(&ar724x_pci_lock, flags); ++ spin_lock_irqsave(&apc->lock, flags); + data = __raw_readl(base + (where & ~3)); + + switch (size) { +@@ -78,17 +97,17 @@ static int ar724x_pci_read(struct pci_bu + case 4: + break; + default: +- spin_unlock_irqrestore(&ar724x_pci_lock, flags); ++ spin_unlock_irqrestore(&apc->lock, flags); + + return PCIBIOS_BAD_REGISTER_NUMBER; + } + +- spin_unlock_irqrestore(&ar724x_pci_lock, flags); ++ spin_unlock_irqrestore(&apc->lock, flags); + + if (where == PCI_BASE_ADDRESS_0 && size == 4 && +- ar724x_pci_bar0_is_cached) { ++ apc->bar0_is_cached) { + /* use the cached value */ +- *value = ar724x_pci_bar0_value; ++ *value = apc->bar0_value; + } else { + *value = data; + } +@@ -99,12 +118,14 @@ static int ar724x_pci_read(struct pci_bu + static int ar724x_pci_write(struct pci_bus *bus, unsigned int devfn, int where, + int size, uint32_t value) + { ++ struct ar724x_pci_controller *apc; + unsigned long flags; + void __iomem *base; + u32 data; + int s; + +- if (!ar724x_pci_link_up) ++ apc = pci_bus_to_ar724x_controller(bus); ++ if (!apc->link_up) + return PCIBIOS_DEVICE_NOT_FOUND; + + if (devfn) +@@ -122,18 +143,18 @@ static int ar724x_pci_write(struct pci_b + * BAR0 register in order to make the device memory + * accessible. + */ +- ar724x_pci_bar0_is_cached = true; +- ar724x_pci_bar0_value = value; ++ apc->bar0_is_cached = true; ++ apc->bar0_value = value; + + value = AR7240_BAR0_WAR_VALUE; + } else { +- ar724x_pci_bar0_is_cached = false; ++ apc->bar0_is_cached = false; + } + } + +- base = ar724x_pci_devcfg_base; ++ base = apc->devcfg_base; + +- spin_lock_irqsave(&ar724x_pci_lock, flags); ++ spin_lock_irqsave(&apc->lock, flags); + data = __raw_readl(base + (where & ~3)); + + switch (size) { +@@ -151,7 +172,7 @@ static int ar724x_pci_write(struct pci_b + data = value; + break; + default: +- spin_unlock_irqrestore(&ar724x_pci_lock, flags); ++ spin_unlock_irqrestore(&apc->lock, flags); + + return PCIBIOS_BAD_REGISTER_NUMBER; + } +@@ -159,7 +180,7 @@ static int ar724x_pci_write(struct pci_b + __raw_writel(data, base + (where & ~3)); + /* flush write */ + __raw_readl(base + (where & ~3)); +- spin_unlock_irqrestore(&ar724x_pci_lock, flags); ++ spin_unlock_irqrestore(&apc->lock, flags); + + return PCIBIOS_SUCCESSFUL; + } +@@ -183,18 +204,14 @@ static struct resource ar724x_mem_resour + .flags = IORESOURCE_MEM, + }; + +-static struct pci_controller ar724x_pci_controller = { +- .pci_ops = &ar724x_pci_ops, +- .io_resource = &ar724x_io_resource, +- .mem_resource = &ar724x_mem_resource, +-}; +- + static void ar724x_pci_irq_handler(unsigned int irq, struct irq_desc *desc) + { ++ struct ar724x_pci_controller *apc; + void __iomem *base; + u32 pending; + +- base = ar724x_pci_ctrl_base; ++ apc = irq_get_handler_data(irq); ++ base = apc->ctrl_base; + + pending = __raw_readl(base + AR724X_PCI_REG_INT_STATUS) & + __raw_readl(base + AR724X_PCI_REG_INT_MASK); +@@ -208,10 +225,12 @@ static void ar724x_pci_irq_handler(unsig + + static void ar724x_pci_irq_unmask(struct irq_data *d) + { ++ struct ar724x_pci_controller *apc; + void __iomem *base; + u32 t; + +- base = ar724x_pci_ctrl_base; ++ apc = irq_data_get_irq_chip_data(d); ++ base = apc->ctrl_base; + + switch (d->irq) { + case ATH79_PCI_IRQ(0): +@@ -225,10 +244,12 @@ static void ar724x_pci_irq_unmask(struct + + static void ar724x_pci_irq_mask(struct irq_data *d) + { ++ struct ar724x_pci_controller *apc; + void __iomem *base; + u32 t; + +- base = ar724x_pci_ctrl_base; ++ apc = irq_data_get_irq_chip_data(d); ++ base = apc->ctrl_base; + + switch (d->irq) { + case ATH79_PCI_IRQ(0): +@@ -255,12 +276,12 @@ static struct irq_chip ar724x_pci_irq_ch + .irq_mask_ack = ar724x_pci_irq_mask, + }; + +-static void __devinit ar724x_pci_irq_init(int irq) ++static void __devinit ar724x_pci_irq_init(struct ar724x_pci_controller *apc) + { + void __iomem *base; + int i; + +- base = ar724x_pci_ctrl_base; ++ base = apc->ctrl_base; + + __raw_writel(0, base + AR724X_PCI_REG_INT_MASK); + __raw_writel(0, base + AR724X_PCI_REG_INT_STATUS); +@@ -268,45 +289,59 @@ static void __devinit ar724x_pci_irq_ini + BUILD_BUG_ON(ATH79_PCI_IRQ_COUNT < AR724X_PCI_IRQ_COUNT); + + for (i = ATH79_PCI_IRQ_BASE; +- i < ATH79_PCI_IRQ_BASE + AR724X_PCI_IRQ_COUNT; i++) ++ i < ATH79_PCI_IRQ_BASE + AR724X_PCI_IRQ_COUNT; i++) { + irq_set_chip_and_handler(i, &ar724x_pci_irq_chip, + handle_level_irq); ++ irq_set_chip_data(i, apc); ++ } + +- irq_set_chained_handler(irq, ar724x_pci_irq_handler); ++ irq_set_handler_data(apc->irq, apc); ++ irq_set_chained_handler(apc->irq, ar724x_pci_irq_handler); + } + + static int __devinit ar724x_pci_probe(struct platform_device *pdev) + { ++ struct ar724x_pci_controller *apc; + struct resource *res; +- int irq; ++ ++ apc = devm_kzalloc(&pdev->dev, sizeof(struct ar724x_pci_controller), ++ GFP_KERNEL); ++ if (!apc) ++ return -ENOMEM; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ctrl_base"); + if (!res) + return -EINVAL; + +- ar724x_pci_ctrl_base = devm_request_and_ioremap(&pdev->dev, res); +- if (ar724x_pci_ctrl_base == NULL) ++ apc->ctrl_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (apc->ctrl_base == NULL) + return -EBUSY; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); + if (!res) + return -EINVAL; + +- ar724x_pci_devcfg_base = devm_request_and_ioremap(&pdev->dev, res); +- if (!ar724x_pci_devcfg_base) ++ apc->devcfg_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (!apc->devcfg_base) + return -EBUSY; + +- irq = platform_get_irq(pdev, 0); +- if (irq < 0) ++ apc->irq = platform_get_irq(pdev, 0); ++ if (apc->irq < 0) + return -EINVAL; + +- ar724x_pci_link_up = ar724x_pci_check_link(); +- if (!ar724x_pci_link_up) ++ spin_lock_init(&apc->lock); ++ ++ apc->pci_controller.pci_ops = &ar724x_pci_ops; ++ apc->pci_controller.io_resource = &ar724x_io_resource; ++ apc->pci_controller.mem_resource = &ar724x_mem_resource; ++ ++ apc->link_up = ar724x_pci_check_link(apc); ++ if (!apc->link_up) + dev_warn(&pdev->dev, "PCIe link is down\n"); + +- ar724x_pci_irq_init(irq); ++ ar724x_pci_irq_init(apc); + +- register_pci_controller(&ar724x_pci_controller); ++ register_pci_controller(&apc->pci_controller); + + return 0; + } diff --git a/target/linux/ar71xx/patches-3.3/150-MIPS-pci-ar724x-remove-static-PCI-resources.patch b/target/linux/ar71xx/patches-3.3/150-MIPS-pci-ar724x-remove-static-PCI-resources.patch new file mode 100644 index 0000000000..698b2ae0a6 --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/150-MIPS-pci-ar724x-remove-static-PCI-resources.patch @@ -0,0 +1,131 @@ +From f1c3a7dadf7b77809cda7f77df4b1ba3b24fbfa3 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Wed, 27 Jun 2012 10:12:50 +0200 +Subject: [PATCH 11/34] MIPS: pci-ar724x: remove static PCI resources + +Get those from the platform device instead. + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/ath79/pci.c | 21 ++++++++++++++++++++- + arch/mips/pci/pci-ar724x.c | 40 ++++++++++++++++++++++++---------------- + 2 files changed, 44 insertions(+), 17 deletions(-) + +--- a/arch/mips/ath79/pci.c ++++ b/arch/mips/ath79/pci.c +@@ -137,10 +137,13 @@ static struct platform_device * + ath79_register_pci_ar724x(int id, + unsigned long cfg_base, + unsigned long ctrl_base, ++ unsigned long mem_base, ++ unsigned long mem_size, ++ unsigned long io_base, + int irq) + { + struct platform_device *pdev; +- struct resource res[3]; ++ struct resource res[5]; + + memset(res, 0, sizeof(res)); + +@@ -158,6 +161,16 @@ ath79_register_pci_ar724x(int id, + res[2].start = irq; + res[2].end = irq; + ++ res[3].name = "mem_base"; ++ res[3].flags = IORESOURCE_MEM; ++ res[3].start = mem_base; ++ res[3].end = mem_base + mem_size - 1; ++ ++ res[4].name = "io_base"; ++ res[4].flags = IORESOURCE_IO; ++ res[4].start = io_base; ++ res[4].end = io_base; ++ + pdev = platform_device_register_simple("ar724x-pci", id, + res, ARRAY_SIZE(res)); + return pdev; +@@ -173,6 +186,9 @@ int __init ath79_register_pci(void) + pdev = ath79_register_pci_ar724x(-1, + AR724X_PCI_CFG_BASE, + AR724X_PCI_CTRL_BASE, ++ AR724X_PCI_MEM_BASE, ++ AR724X_PCI_MEM_SIZE, ++ 0, + ATH79_CPU_IRQ_IP2); + } else if (soc_is_ar9342() || + soc_is_ar9344()) { +@@ -185,6 +201,9 @@ int __init ath79_register_pci(void) + pdev = ath79_register_pci_ar724x(-1, + AR724X_PCI_CFG_BASE, + AR724X_PCI_CTRL_BASE, ++ AR724X_PCI_MEM_BASE, ++ AR724X_PCI_MEM_SIZE, ++ 0, + ATH79_IP2_IRQ(0)); + } else { + /* No PCI support */ +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -42,6 +42,8 @@ struct ar724x_pci_controller { + spinlock_t lock; + + struct pci_controller pci_controller; ++ struct resource io_res; ++ struct resource mem_res; + }; + + static inline bool ar724x_pci_check_link(struct ar724x_pci_controller *apc) +@@ -190,20 +192,6 @@ static struct pci_ops ar724x_pci_ops = { + .write = ar724x_pci_write, + }; + +-static struct resource ar724x_io_resource = { +- .name = "PCI IO space", +- .start = 0, +- .end = 0, +- .flags = IORESOURCE_IO, +-}; +- +-static struct resource ar724x_mem_resource = { +- .name = "PCI memory space", +- .start = AR724X_PCI_MEM_BASE, +- .end = AR724X_PCI_MEM_BASE + AR724X_PCI_MEM_SIZE - 1, +- .flags = IORESOURCE_MEM, +-}; +- + static void ar724x_pci_irq_handler(unsigned int irq, struct irq_desc *desc) + { + struct ar724x_pci_controller *apc; +@@ -331,9 +319,29 @@ static int __devinit ar724x_pci_probe(st + + spin_lock_init(&apc->lock); + ++ res = platform_get_resource_byname(pdev, IORESOURCE_IO, "io_base"); ++ if (!res) ++ return -EINVAL; ++ ++ apc->io_res.parent = res; ++ apc->io_res.name = "PCI IO space"; ++ apc->io_res.start = res->start; ++ apc->io_res.end = res->end; ++ apc->io_res.flags = IORESOURCE_IO; ++ ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem_base"); ++ if (!res) ++ return -EINVAL; ++ ++ apc->mem_res.parent = res; ++ apc->mem_res.name = "PCI memory space"; ++ apc->mem_res.start = res->start; ++ apc->mem_res.end = res->end; ++ apc->mem_res.flags = IORESOURCE_MEM; ++ + apc->pci_controller.pci_ops = &ar724x_pci_ops; +- apc->pci_controller.io_resource = &ar724x_io_resource; +- apc->pci_controller.mem_resource = &ar724x_mem_resource; ++ apc->pci_controller.io_resource = &apc->io_res; ++ apc->pci_controller.mem_resource = &apc->mem_res; + + apc->link_up = ar724x_pci_check_link(apc); + if (!apc->link_up) diff --git a/target/linux/ar71xx/patches-3.3/151-MIPS-pci-ar724x-use-per-controller-IRQ-base.patch b/target/linux/ar71xx/patches-3.3/151-MIPS-pci-ar724x-use-per-controller-IRQ-base.patch new file mode 100644 index 0000000000..5b690ab3e0 --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/151-MIPS-pci-ar724x-use-per-controller-IRQ-base.patch @@ -0,0 +1,110 @@ +From d258929cd4c8c495f619f0e66d9d1c23f3f9246f Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Tue, 26 Jun 2012 11:59:45 +0200 +Subject: [PATCH 12/34] MIPS: pci-ar724x: use per-controller IRQ base + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/pci/pci-ar724x.c | 31 +++++++++++++++++++++---------- + 1 files changed, 21 insertions(+), 10 deletions(-) + +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -34,6 +34,7 @@ struct ar724x_pci_controller { + void __iomem *ctrl_base; + + int irq; ++ int irq_base; + + bool link_up; + bool bar0_is_cached; +@@ -205,7 +206,7 @@ static void ar724x_pci_irq_handler(unsig + __raw_readl(base + AR724X_PCI_REG_INT_MASK); + + if (pending & AR724X_PCI_INT_DEV0) +- generic_handle_irq(ATH79_PCI_IRQ(0)); ++ generic_handle_irq(apc->irq_base + 0); + + else + spurious_interrupt(); +@@ -215,13 +216,15 @@ static void ar724x_pci_irq_unmask(struct + { + struct ar724x_pci_controller *apc; + void __iomem *base; ++ int offset; + u32 t; + + apc = irq_data_get_irq_chip_data(d); + base = apc->ctrl_base; ++ offset = apc->irq_base - d->irq; + +- switch (d->irq) { +- case ATH79_PCI_IRQ(0): ++ switch (offset) { ++ case 0: + t = __raw_readl(base + AR724X_PCI_REG_INT_MASK); + __raw_writel(t | AR724X_PCI_INT_DEV0, + base + AR724X_PCI_REG_INT_MASK); +@@ -234,13 +237,15 @@ static void ar724x_pci_irq_mask(struct i + { + struct ar724x_pci_controller *apc; + void __iomem *base; ++ int offset; + u32 t; + + apc = irq_data_get_irq_chip_data(d); + base = apc->ctrl_base; ++ offset = apc->irq_base - d->irq; + +- switch (d->irq) { +- case ATH79_PCI_IRQ(0): ++ switch (offset) { ++ case 0: + t = __raw_readl(base + AR724X_PCI_REG_INT_MASK); + __raw_writel(t & ~AR724X_PCI_INT_DEV0, + base + AR724X_PCI_REG_INT_MASK); +@@ -264,7 +269,8 @@ static struct irq_chip ar724x_pci_irq_ch + .irq_mask_ack = ar724x_pci_irq_mask, + }; + +-static void __devinit ar724x_pci_irq_init(struct ar724x_pci_controller *apc) ++static void __devinit ar724x_pci_irq_init(struct ar724x_pci_controller *apc, ++ int id) + { + void __iomem *base; + int i; +@@ -274,10 +280,10 @@ static void __devinit ar724x_pci_irq_ini + __raw_writel(0, base + AR724X_PCI_REG_INT_MASK); + __raw_writel(0, base + AR724X_PCI_REG_INT_STATUS); + +- BUILD_BUG_ON(ATH79_PCI_IRQ_COUNT < AR724X_PCI_IRQ_COUNT); ++ apc->irq_base = ATH79_PCI_IRQ_BASE + (id * AR724X_PCI_IRQ_COUNT); + +- for (i = ATH79_PCI_IRQ_BASE; +- i < ATH79_PCI_IRQ_BASE + AR724X_PCI_IRQ_COUNT; i++) { ++ for (i = apc->irq_base; ++ i < apc->irq_base + AR724X_PCI_IRQ_COUNT; i++) { + irq_set_chip_and_handler(i, &ar724x_pci_irq_chip, + handle_level_irq); + irq_set_chip_data(i, apc); +@@ -291,6 +297,11 @@ static int __devinit ar724x_pci_probe(st + { + struct ar724x_pci_controller *apc; + struct resource *res; ++ int id; ++ ++ id = pdev->id; ++ if (id == -1) ++ id = 0; + + apc = devm_kzalloc(&pdev->dev, sizeof(struct ar724x_pci_controller), + GFP_KERNEL); +@@ -347,7 +358,7 @@ static int __devinit ar724x_pci_probe(st + if (!apc->link_up) + dev_warn(&pdev->dev, "PCIe link is down\n"); + +- ar724x_pci_irq_init(apc); ++ ar724x_pci_irq_init(apc, id); + + register_pci_controller(&apc->pci_controller); + diff --git a/target/linux/ar71xx/patches-3.3/152-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch b/target/linux/ar71xx/patches-3.3/152-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch new file mode 100644 index 0000000000..38c43bccdb --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/152-MIPS-pci-ar724x-setup-command-register-of-the-PCI-co.patch @@ -0,0 +1,165 @@ +From 93824983ceb36d4ce1f4a644031ec6fb5f332f1d Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Tue, 26 Jun 2012 15:14:47 +0200 +Subject: [PATCH 13/34] MIPS: pci-ar724x: setup command register of the PCI controller + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/ath79/pci.c | 10 +++- + arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 2 + + arch/mips/pci/pci-ar724x.c | 63 ++++++++++++++++++++++++ + 3 files changed, 74 insertions(+), 1 deletions(-) + +--- a/arch/mips/ath79/pci.c ++++ b/arch/mips/ath79/pci.c +@@ -137,13 +137,14 @@ static struct platform_device * + ath79_register_pci_ar724x(int id, + unsigned long cfg_base, + unsigned long ctrl_base, ++ unsigned long crp_base, + unsigned long mem_base, + unsigned long mem_size, + unsigned long io_base, + int irq) + { + struct platform_device *pdev; +- struct resource res[5]; ++ struct resource res[6]; + + memset(res, 0, sizeof(res)); + +@@ -171,6 +172,11 @@ ath79_register_pci_ar724x(int id, + res[4].start = io_base; + res[4].end = io_base; + ++ res[5].name = "crp_base"; ++ res[5].flags = IORESOURCE_MEM; ++ res[5].start = crp_base; ++ res[5].end = crp_base + AR724X_PCI_CRP_SIZE - 1; ++ + pdev = platform_device_register_simple("ar724x-pci", id, + res, ARRAY_SIZE(res)); + return pdev; +@@ -186,6 +192,7 @@ int __init ath79_register_pci(void) + pdev = ath79_register_pci_ar724x(-1, + AR724X_PCI_CFG_BASE, + AR724X_PCI_CTRL_BASE, ++ AR724X_PCI_CRP_BASE, + AR724X_PCI_MEM_BASE, + AR724X_PCI_MEM_SIZE, + 0, +@@ -201,6 +208,7 @@ int __init ath79_register_pci(void) + pdev = ath79_register_pci_ar724x(-1, + AR724X_PCI_CFG_BASE, + AR724X_PCI_CTRL_BASE, ++ AR724X_PCI_CRP_BASE, + AR724X_PCI_MEM_BASE, + AR724X_PCI_MEM_SIZE, + 0, +--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h ++++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h +@@ -67,6 +67,8 @@ + + #define AR724X_PCI_CFG_BASE 0x14000000 + #define AR724X_PCI_CFG_SIZE 0x1000 ++#define AR724X_PCI_CRP_BASE (AR71XX_APB_BASE + 0x000c0000) ++#define AR724X_PCI_CRP_SIZE 0x1000 + #define AR724X_PCI_CTRL_BASE (AR71XX_APB_BASE + 0x000f0000) + #define AR724X_PCI_CTRL_SIZE 0x100 + +--- a/arch/mips/pci/pci-ar724x.c ++++ b/arch/mips/pci/pci-ar724x.c +@@ -29,9 +29,17 @@ + + #define AR7240_BAR0_WAR_VALUE 0xffff + ++#define AR724X_PCI_CMD_INIT (PCI_COMMAND_MEMORY | \ ++ PCI_COMMAND_MASTER | \ ++ PCI_COMMAND_INVALIDATE | \ ++ PCI_COMMAND_PARITY | \ ++ PCI_COMMAND_SERR | \ ++ PCI_COMMAND_FAST_BACK) ++ + struct ar724x_pci_controller { + void __iomem *devcfg_base; + void __iomem *ctrl_base; ++ void __iomem *crp_base; + + int irq; + int irq_base; +@@ -64,6 +72,51 @@ pci_bus_to_ar724x_controller(struct pci_ + return container_of(hose, struct ar724x_pci_controller, pci_controller); + } + ++static int ar724x_pci_local_write(struct ar724x_pci_controller *apc, ++ int where, int size, u32 value) ++{ ++ unsigned long flags; ++ void __iomem *base; ++ u32 data; ++ int s; ++ ++ WARN_ON(where & (size - 1)); ++ ++ if (!apc->link_up) ++ return PCIBIOS_DEVICE_NOT_FOUND; ++ ++ base = apc->crp_base; ++ ++ spin_lock_irqsave(&apc->lock, flags); ++ data = __raw_readl(base + (where & ~3)); ++ ++ switch (size) { ++ case 1: ++ s = ((where & 3) * 8); ++ data &= ~(0xff << s); ++ data |= ((value & 0xff) << s); ++ break; ++ case 2: ++ s = ((where & 2) * 8); ++ data &= ~(0xffff << s); ++ data |= ((value & 0xffff) << s); ++ break; ++ case 4: ++ data = value; ++ break; ++ default: ++ spin_unlock_irqrestore(&apc->lock, flags); ++ return PCIBIOS_BAD_REGISTER_NUMBER; ++ } ++ ++ __raw_writel(data, base + (where & ~3)); ++ /* flush write */ ++ __raw_readl(base + (where & ~3)); ++ spin_unlock_irqrestore(&apc->lock, flags); ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++ + static int ar724x_pci_read(struct pci_bus *bus, unsigned int devfn, int where, + int size, uint32_t *value) + { +@@ -324,6 +377,14 @@ static int __devinit ar724x_pci_probe(st + if (!apc->devcfg_base) + return -EBUSY; + ++ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "crp_base"); ++ if (!res) ++ return -EINVAL; ++ ++ apc->crp_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (apc->crp_base == NULL) ++ return -EBUSY; ++ + apc->irq = platform_get_irq(pdev, 0); + if (apc->irq < 0) + return -EINVAL; +@@ -360,6 +421,8 @@ static int __devinit ar724x_pci_probe(st + + ar724x_pci_irq_init(apc, id); + ++ ar724x_pci_local_write(apc, PCI_COMMAND, 4, AR724X_PCI_CMD_INIT); ++ + register_pci_controller(&apc->pci_controller); + + return 0; diff --git a/target/linux/ar71xx/patches-3.3/153-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch b/target/linux/ar71xx/patches-3.3/153-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch new file mode 100644 index 0000000000..4db1fd92b3 --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/153-MIPS-pci-ar71xx-use-dynamically-allocated-PCI-contro.patch @@ -0,0 +1,228 @@ +From 6c3ef689e4364dca74eaaecd72384be09e5a6bc8 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Mon, 25 Jun 2012 09:19:08 +0200 +Subject: [PATCH 14/34] MIPS: pci-ar71xx: use dynamically allocated PCI controller structure + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/pci/pci-ar71xx.c | 84 +++++++++++++++++++++++++++---------------- + 1 files changed, 53 insertions(+), 31 deletions(-) + +--- a/arch/mips/pci/pci-ar71xx.c ++++ b/arch/mips/pci/pci-ar71xx.c +@@ -20,6 +20,7 @@ + #include <linux/interrupt.h> + #include <linux/module.h> + #include <linux/platform_device.h> ++#include <linux/slab.h> + + #include <asm/mach-ath79/ar71xx_regs.h> + #include <asm/mach-ath79/ath79.h> +@@ -48,8 +49,12 @@ + + #define AR71XX_PCI_IRQ_COUNT 5 + +-static DEFINE_SPINLOCK(ar71xx_pci_lock); +-static void __iomem *ar71xx_pcicfg_base; ++struct ar71xx_pci_controller { ++ void __iomem *cfg_base; ++ spinlock_t lock; ++ int irq; ++ struct pci_controller pci_ctrl; ++}; + + /* Byte lane enable bits */ + static const u8 ar71xx_pci_ble_table[4][4] = { +@@ -92,9 +97,18 @@ static inline u32 ar71xx_pci_bus_addr(st + return ret; + } + +-static int ar71xx_pci_check_error(int quiet) ++static inline struct ar71xx_pci_controller * ++pci_bus_to_ar71xx_controller(struct pci_bus *bus) + { +- void __iomem *base = ar71xx_pcicfg_base; ++ struct pci_controller *hose; ++ ++ hose = (struct pci_controller *) bus->sysdata; ++ return container_of(hose, struct ar71xx_pci_controller, pci_ctrl); ++} ++ ++static int ar71xx_pci_check_error(struct ar71xx_pci_controller *apc, int quiet) ++{ ++ void __iomem *base = apc->cfg_base; + u32 pci_err; + u32 ahb_err; + +@@ -129,9 +143,10 @@ static int ar71xx_pci_check_error(int qu + return !!(ahb_err | pci_err); + } + +-static inline void ar71xx_pci_local_write(int where, int size, u32 value) ++static inline void ar71xx_pci_local_write(struct ar71xx_pci_controller *apc, ++ int where, int size, u32 value) + { +- void __iomem *base = ar71xx_pcicfg_base; ++ void __iomem *base = apc->cfg_base; + u32 ad_cbe; + + value = value << (8 * (where & 3)); +@@ -147,7 +162,8 @@ static inline int ar71xx_pci_set_cfgaddr + unsigned int devfn, + int where, int size, u32 cmd) + { +- void __iomem *base = ar71xx_pcicfg_base; ++ struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus); ++ void __iomem *base = apc->cfg_base; + u32 addr; + + addr = ar71xx_pci_bus_addr(bus, devfn, where); +@@ -156,13 +172,14 @@ static inline int ar71xx_pci_set_cfgaddr + __raw_writel(cmd | ar71xx_pci_get_ble(where, size, 0), + base + AR71XX_PCI_REG_CFG_CBE); + +- return ar71xx_pci_check_error(1); ++ return ar71xx_pci_check_error(apc, 1); + } + + static int ar71xx_pci_read_config(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 *value) + { +- void __iomem *base = ar71xx_pcicfg_base; ++ struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus); ++ void __iomem *base = apc->cfg_base; + unsigned long flags; + u32 data; + int err; +@@ -171,7 +188,7 @@ static int ar71xx_pci_read_config(struct + ret = PCIBIOS_SUCCESSFUL; + data = ~0; + +- spin_lock_irqsave(&ar71xx_pci_lock, flags); ++ spin_lock_irqsave(&apc->lock, flags); + + err = ar71xx_pci_set_cfgaddr(bus, devfn, where, size, + AR71XX_PCI_CFG_CMD_READ); +@@ -180,7 +197,7 @@ static int ar71xx_pci_read_config(struct + else + data = __raw_readl(base + AR71XX_PCI_REG_CFG_RDDATA); + +- spin_unlock_irqrestore(&ar71xx_pci_lock, flags); ++ spin_unlock_irqrestore(&apc->lock, flags); + + *value = (data >> (8 * (where & 3))) & ar71xx_pci_read_mask[size & 7]; + +@@ -190,7 +207,8 @@ static int ar71xx_pci_read_config(struct + static int ar71xx_pci_write_config(struct pci_bus *bus, unsigned int devfn, + int where, int size, u32 value) + { +- void __iomem *base = ar71xx_pcicfg_base; ++ struct ar71xx_pci_controller *apc = pci_bus_to_ar71xx_controller(bus); ++ void __iomem *base = apc->cfg_base; + unsigned long flags; + int err; + int ret; +@@ -198,7 +216,7 @@ static int ar71xx_pci_write_config(struc + value = value << (8 * (where & 3)); + ret = PCIBIOS_SUCCESSFUL; + +- spin_lock_irqsave(&ar71xx_pci_lock, flags); ++ spin_lock_irqsave(&apc->lock, flags); + + err = ar71xx_pci_set_cfgaddr(bus, devfn, where, size, + AR71XX_PCI_CFG_CMD_WRITE); +@@ -207,7 +225,7 @@ static int ar71xx_pci_write_config(struc + else + __raw_writel(value, base + AR71XX_PCI_REG_CFG_WRDATA); + +- spin_unlock_irqrestore(&ar71xx_pci_lock, flags); ++ spin_unlock_irqrestore(&apc->lock, flags); + + return ret; + } +@@ -231,12 +249,6 @@ static struct resource ar71xx_pci_mem_re + .flags = IORESOURCE_MEM + }; + +-static struct pci_controller ar71xx_pci_controller = { +- .pci_ops = &ar71xx_pci_ops, +- .mem_resource = &ar71xx_pci_mem_resource, +- .io_resource = &ar71xx_pci_io_resource, +-}; +- + static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc) + { + void __iomem *base = ath79_reset_base; +@@ -294,7 +306,7 @@ static struct irq_chip ar71xx_pci_irq_ch + .irq_mask_ack = ar71xx_pci_irq_mask, + }; + +-static __devinit void ar71xx_pci_irq_init(int irq) ++static __devinit void ar71xx_pci_irq_init(struct ar71xx_pci_controller *apc) + { + void __iomem *base = ath79_reset_base; + int i; +@@ -309,7 +321,7 @@ static __devinit void ar71xx_pci_irq_ini + irq_set_chip_and_handler(i, &ar71xx_pci_irq_chip, + handle_level_irq); + +- irq_set_chained_handler(irq, ar71xx_pci_irq_handler); ++ irq_set_chained_handler(apc->irq, ar71xx_pci_irq_handler); + } + + static __devinit void ar71xx_pci_reset(void) +@@ -336,20 +348,26 @@ static __devinit void ar71xx_pci_reset(v + + static int __devinit ar71xx_pci_probe(struct platform_device *pdev) + { ++ struct ar71xx_pci_controller *apc; + struct resource *res; +- int irq; + u32 t; + ++ apc = kzalloc(sizeof(struct ar71xx_pci_controller), GFP_KERNEL); ++ if (!apc) ++ return -ENOMEM; ++ ++ spin_lock_init(&apc->lock); ++ + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg_base"); + if (!res) + return -EINVAL; + +- ar71xx_pcicfg_base = devm_request_and_ioremap(&pdev->dev, res); +- if (!ar71xx_pcicfg_base) ++ apc->cfg_base = devm_request_and_ioremap(&pdev->dev, res); ++ if (!apc->cfg_base) + return -ENOMEM; + +- irq = platform_get_irq(pdev, 0); +- if (irq < 0) ++ apc->irq = platform_get_irq(pdev, 0); ++ if (apc->irq < 0) + return -EINVAL; + + ar71xx_pci_reset(); +@@ -357,14 +375,18 @@ static int __devinit ar71xx_pci_probe(st + /* setup COMMAND register */ + t = PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER | PCI_COMMAND_INVALIDATE + | PCI_COMMAND_PARITY | PCI_COMMAND_SERR | PCI_COMMAND_FAST_BACK; +- ar71xx_pci_local_write(PCI_COMMAND, 4, t); ++ ar71xx_pci_local_write(apc, PCI_COMMAND, 4, t); + + /* clear bus errors */ +- ar71xx_pci_check_error(1); ++ ar71xx_pci_check_error(apc, 1); ++ ++ ar71xx_pci_irq_init(apc); + +- ar71xx_pci_irq_init(irq); ++ apc->pci_ctrl.pci_ops = &ar71xx_pci_ops; ++ apc->pci_ctrl.mem_resource = &ar71xx_pci_mem_resource; ++ apc->pci_ctrl.io_resource = &ar71xx_pci_io_resource; + +- register_pci_controller(&ar71xx_pci_controller); ++ register_pci_controller(&apc->pci_ctrl); + + return 0; + } diff --git a/target/linux/ar71xx/patches-3.3/154-MIPS-pci-ar71xx-remove-static-PCI-controller-resourc.patch b/target/linux/ar71xx/patches-3.3/154-MIPS-pci-ar71xx-remove-static-PCI-controller-resourc.patch new file mode 100644 index 0000000000..d31ba264bd --- /dev/null +++ b/target/linux/ar71xx/patches-3.3/154-MIPS-pci-ar71xx-remove-static-PCI-controller-resourc.patch @@ -0,0 +1,70 @@ +From 7dc3ccb5dc972b06c41b309653d132beaaedeb37 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos <juhosg@openwrt.org> +Date: Mon, 25 Jun 2012 09:52:23 +0200 +Subject: [PATCH 15/34] MIPS: pci-ar71xx: remove static PCI controller resources + +Signed-off-by: Gabor Juhos <juhosg@openwrt.org> +--- + arch/mips/pci/pci-ar71xx.c | 30 ++++++++++++++---------------- + 1 files changed, 14 insertions(+), 16 deletions(-) + +--- a/arch/mips/pci/pci-ar71xx.c ++++ b/arch/mips/pci/pci-ar71xx.c +@@ -54,6 +54,8 @@ struct ar71xx_pci_controller { + spinlock_t lock; + int irq; + struct pci_controller pci_ctrl; ++ struct resource io_res; ++ struct resource mem_res; + }; + + /* Byte lane enable bits */ +@@ -235,20 +237,6 @@ static struct pci_ops ar71xx_pci_ops = { + .write = ar71xx_pci_write_config, + }; + +-static struct resource ar71xx_pci_io_resource = { +- .name = "PCI IO space", +- .start = 0, +- .end = 0, +- .flags = IORESOURCE_IO, +-}; +- +-static struct resource ar71xx_pci_mem_resource = { +- .name = "PCI memory space", +- .start = AR71XX_PCI_MEM_BASE, +- .end = AR71XX_PCI_MEM_BASE + AR71XX_PCI_MEM_SIZE - 1, +- .flags = IORESOURCE_MEM +-}; +- + static void ar71xx_pci_irq_handler(unsigned int irq, struct irq_desc *desc) + { + void __iomem *base = ath79_reset_base; +@@ -370,6 +358,16 @@ static int __devinit ar71xx_pci_probe(st + if (apc->irq < 0) + return -EINVAL; + ++ apc->io_res.name = "PCI IO space"; ++ apc->io_res.start = 0; ++ apc->io_res.end = 0; ++ apc->io_res.flags = IORESOURCE_IO; ++ ++ apc->mem_res.name = "PCI memory space"; ++ apc->mem_res.start = AR71XX_PCI_MEM_BASE; ++ apc->mem_res.end = AR71XX_PCI_MEM_BASE + AR71XX_PCI_MEM_SIZE - 1; ++ apc->mem_res.flags = IORESOURCE_MEM; ++ + ar71xx_pci_reset(); + + /* setup COMMAND register */ +@@ -383,8 +381,8 @@ static int __devinit ar71xx_pci_probe(st + ar71xx_pci_irq_init(apc); + + apc->pci_ctrl.pci_ops = &ar71xx_pci_ops; +- apc->pci_ctrl.mem_resource = &ar71xx_pci_mem_resource; +- apc->pci_ctrl.io_resource = &ar71xx_pci_io_resource; ++ apc->pci_ctrl.mem_resource = &apc->mem_res; ++ apc->pci_ctrl.io_resource = &apc->io_res; + + register_pci_controller(&apc->pci_ctrl); + diff --git a/target/linux/ar71xx/patches-3.3/601-MIPS-ath79-add-more-register-defines.patch b/target/linux/ar71xx/patches-3.3/601-MIPS-ath79-add-more-register-defines.patch index a5394add91..cb18fd26ed 100644 --- a/target/linux/ar71xx/patches-3.3/601-MIPS-ath79-add-more-register-defines.patch +++ b/target/linux/ar71xx/patches-3.3/601-MIPS-ath79-add-more-register-defines.patch @@ -1,11 +1,8 @@ --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h -@@ -20,7 +20,13 @@ - #include <linux/io.h> +@@ -21,6 +21,10 @@ #include <linux/bitops.h> -+#define AR71XX_PCI_MEM_BASE 0x10000000 -+#define AR71XX_PCI_MEM_SIZE 0x08000000 #define AR71XX_APB_BASE 0x18000000 +#define AR71XX_GE0_BASE 0x19000000 +#define AR71XX_GE0_SIZE 0x10000 @@ -14,16 +11,16 @@ #define AR71XX_EHCI_BASE 0x1b000000 #define AR71XX_EHCI_SIZE 0x1000 #define AR71XX_OHCI_BASE 0x1c000000 -@@ -40,6 +46,8 @@ +@@ -40,6 +44,8 @@ #define AR71XX_PLL_SIZE 0x100 #define AR71XX_RESET_BASE (AR71XX_APB_BASE + 0x00060000) #define AR71XX_RESET_SIZE 0x100 +#define AR71XX_MII_BASE (AR71XX_APB_BASE + 0x00070000) +#define AR71XX_MII_SIZE 0x100 - #define AR7240_USB_CTRL_BASE (AR71XX_APB_BASE + 0x00030000) - #define AR7240_USB_CTRL_SIZE 0x100 -@@ -56,11 +64,15 @@ + #define AR71XX_PCI_MEM_BASE 0x10000000 + #define AR71XX_PCI_MEM_SIZE 0x07000000 +@@ -82,11 +88,15 @@ #define AR933X_UART_BASE (AR71XX_APB_BASE + 0x00020000) #define AR933X_UART_SIZE 0x14 @@ -39,7 +36,7 @@ #define AR934X_WMAC_BASE (AR71XX_APB_BASE + 0x00100000) #define AR934X_WMAC_SIZE 0x20000 #define AR934X_EHCI_BASE 0x1b000000 -@@ -120,6 +132,9 @@ +@@ -146,6 +156,9 @@ #define AR71XX_AHB_DIV_SHIFT 20 #define AR71XX_AHB_DIV_MASK 0x7 @@ -49,7 +46,7 @@ #define AR724X_PLL_REG_CPU_CONFIG 0x00 #define AR724X_PLL_REG_PCIE_CONFIG 0x18 -@@ -132,6 +147,8 @@ +@@ -158,6 +171,8 @@ #define AR724X_DDR_DIV_SHIFT 22 #define AR724X_DDR_DIV_MASK 0x3 @@ -58,7 +55,7 @@ #define AR913X_PLL_REG_CPU_CONFIG 0x00 #define AR913X_PLL_REG_ETH_CONFIG 0x04 #define AR913X_PLL_REG_ETH0_INT_CLOCK 0x14 -@@ -144,6 +161,9 @@ +@@ -170,6 +185,9 @@ #define AR913X_AHB_DIV_SHIFT 19 #define AR913X_AHB_DIV_MASK 0x1 @@ -68,7 +65,7 @@ #define AR933X_PLL_CPU_CONFIG_REG 0x00 #define AR933X_PLL_CLOCK_CTRL_REG 0x08 -@@ -165,6 +185,7 @@ +@@ -191,6 +209,7 @@ #define AR934X_PLL_CPU_CONFIG_REG 0x00 #define AR934X_PLL_DDR_CONFIG_REG 0x04 #define AR934X_PLL_CPU_DDR_CLK_CTRL_REG 0x08 @@ -76,7 +73,7 @@ #define AR934X_PLL_CPU_CONFIG_NFRAC_SHIFT 0 #define AR934X_PLL_CPU_CONFIG_NFRAC_MASK 0x3f -@@ -285,16 +306,50 @@ +@@ -311,16 +330,50 @@ #define AR913X_RESET_USB_HOST BIT(5) #define AR913X_RESET_USB_PHY BIT(4) @@ -127,7 +124,7 @@ #define AR933X_BOOTSTRAP_REF_CLK_40 BIT(0) #define AR934X_BOOTSTRAP_SW_OPTION8 BIT(23) -@@ -399,10 +454,138 @@ +@@ -425,10 +478,138 @@ #define AR71XX_GPIO_REG_INT_ENABLE 0x24 #define AR71XX_GPIO_REG_FUNC 0x28 diff --git a/target/linux/ar71xx/patches-3.3/620-MIPS-ath79-OTP-support.patch b/target/linux/ar71xx/patches-3.3/620-MIPS-ath79-OTP-support.patch index 096329291f..7859eba321 100644 --- a/target/linux/ar71xx/patches-3.3/620-MIPS-ath79-OTP-support.patch +++ b/target/linux/ar71xx/patches-3.3/620-MIPS-ath79-OTP-support.patch @@ -149,7 +149,7 @@ #endif /* _ATH79_DEV_WMAC_H */ --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h -@@ -78,6 +78,14 @@ +@@ -102,6 +102,14 @@ #define AR934X_EHCI_BASE 0x1b000000 #define AR934X_EHCI_SIZE 0x1000 |