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authorChristian Lamparter <chunkeey@gmail.com>2018-01-07 21:27:48 +0100
committerMathias Kresin <dev@kresin.me>2018-01-12 08:00:04 +0100
commit15faf389ad5159fa8223344029c98a0afca6e5ef (patch)
tree68e652f9cd4ff7753620d9a8882643e3a8a85077 /target/linux/apm821xx/patches-4.14
parent9a9c7fb4cf8a0483b26b2d9ecc481275173d63f7 (diff)
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apm821xx: add linux 4.14 apm821xx patches
This patch updates the apm821xx target to use the 4.14 kernel. 4.14 finally ships with a driver for the WNDR4700's tc654 fan controller. The custom driver is deprecated in favor of the upstream driver and the thermal cooling definitions in the DTS are updated. Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Diffstat (limited to 'target/linux/apm821xx/patches-4.14')
-rw-r--r--target/linux/apm821xx/patches-4.14/200-add-meraki-mr24-ikarem-support.patch32
-rw-r--r--target/linux/apm821xx/patches-4.14/201-add-amcc-apollo3g-support.patch30
-rw-r--r--target/linux/apm821xx/patches-4.14/202-add-netgear-wndr4700-support.patch32
-rw-r--r--target/linux/apm821xx/patches-4.14/203-add-meraki-mx60-buckminster-support.patch32
-rw-r--r--target/linux/apm821xx/patches-4.14/300-fix-atheros-nics-on-apm82181.patch51
-rw-r--r--target/linux/apm821xx/patches-4.14/301-fix-memory-map-wndr4700.patch14
-rw-r--r--target/linux/apm821xx/patches-4.14/701-powerpc_ibm_apm82181_phyclk_fix.patch51
-rw-r--r--target/linux/apm821xx/patches-4.14/801-usb-xhci-add-firmware-loader-for-uPD720201-and-uPD72.patch545
-rw-r--r--target/linux/apm821xx/patches-4.14/802-usb-xhci-force-msi-renesas-xhci.patch54
-rw-r--r--target/linux/apm821xx/patches-4.14/803-hwmon-tc654-add-detection-routine.patch65
-rw-r--r--target/linux/apm821xx/patches-4.14/804-hwmon-tc654-add-thermal_cooling-device.patch174
11 files changed, 1080 insertions, 0 deletions
diff --git a/target/linux/apm821xx/patches-4.14/200-add-meraki-mr24-ikarem-support.patch b/target/linux/apm821xx/patches-4.14/200-add-meraki-mr24-ikarem-support.patch
new file mode 100644
index 0000000000..e9f6c5cfc5
--- /dev/null
+++ b/target/linux/apm821xx/patches-4.14/200-add-meraki-mr24-ikarem-support.patch
@@ -0,0 +1,32 @@
+--- a/arch/powerpc/platforms/44x/Kconfig
++++ b/arch/powerpc/platforms/44x/Kconfig
+@@ -41,6 +41,19 @@ config EBONY
+ help
+ This option enables support for the IBM PPC440GP evaluation board.
+
++config IKAREM
++ bool "Ikarem"
++ depends on 44x
++ default n
++ select PPC44x_SIMPLE
++ select APM821xx
++ select PCI_MSI
++ select PPC4xx_MSI
++ select PPC4xx_PCI_EXPRESS
++ select IBM_EMAC_RGMII
++ help
++ This option enables support for the Cisco Meraki MR24 (Ikarem) Access Point.
++
+ config SAM440EP
+ bool "Sam440ep"
+ depends on 44x
+--- a/arch/powerpc/platforms/44x/ppc44x_simple.c
++++ b/arch/powerpc/platforms/44x/ppc44x_simple.c
+@@ -62,6 +62,7 @@ static char *board[] __initdata = {
+ "amcc,sequoia",
+ "amcc,taishan",
+ "amcc,yosemite",
++ "meraki,ikarem",
+ "mosaixtech,icon"
+ };
+
diff --git a/target/linux/apm821xx/patches-4.14/201-add-amcc-apollo3g-support.patch b/target/linux/apm821xx/patches-4.14/201-add-amcc-apollo3g-support.patch
new file mode 100644
index 0000000000..18982392d4
--- /dev/null
+++ b/target/linux/apm821xx/patches-4.14/201-add-amcc-apollo3g-support.patch
@@ -0,0 +1,30 @@
+--- a/arch/powerpc/platforms/44x/Kconfig
++++ b/arch/powerpc/platforms/44x/Kconfig
+@@ -144,6 +144,17 @@ config CANYONLANDS
+ help
+ This option enables support for the AMCC PPC460EX evaluation board.
+
++config APOLLO3G
++ bool "Apollo3G"
++ depends on 44x
++ default n
++ select PPC44x_SIMPLE
++ select APM821xx
++ select IBM_EMAC_RGMII
++ select 460EX
++ help
++ This option enables support for the AMCC Apollo 3G board.
++
+ config GLACIER
+ bool "Glacier"
+ depends on 44x
+--- a/arch/powerpc/platforms/44x/ppc44x_simple.c
++++ b/arch/powerpc/platforms/44x/ppc44x_simple.c
+@@ -50,6 +50,7 @@ machine_device_initcall(ppc44x_simple, p
+ * board.c file for it rather than adding it to this list.
+ */
+ static char *board[] __initdata = {
++ "amcc,apollo3g",
+ "amcc,arches",
+ "amcc,bamboo",
+ "apm,bluestone",
diff --git a/target/linux/apm821xx/patches-4.14/202-add-netgear-wndr4700-support.patch b/target/linux/apm821xx/patches-4.14/202-add-netgear-wndr4700-support.patch
new file mode 100644
index 0000000000..77294a8cbd
--- /dev/null
+++ b/target/linux/apm821xx/patches-4.14/202-add-netgear-wndr4700-support.patch
@@ -0,0 +1,32 @@
+--- a/arch/powerpc/platforms/44x/Makefile
++++ b/arch/powerpc/platforms/44x/Makefile
+@@ -4,6 +4,7 @@ ifneq ($(CONFIG_PPC4xx_CPM),y)
+ obj-y += idle.o
+ endif
+ obj-$(CONFIG_PPC44x_SIMPLE) += ppc44x_simple.o
++obj-$(CONFIG_WNDR4700) += wndr4700.o
+ obj-$(CONFIG_EBONY) += ebony.o
+ obj-$(CONFIG_SAM440EP) += sam440ep.o
+ obj-$(CONFIG_WARP) += warp.o
+--- a/arch/powerpc/platforms/44x/Kconfig
++++ b/arch/powerpc/platforms/44x/Kconfig
+@@ -273,6 +273,19 @@ config ICON
+ help
+ This option enables support for the AMCC PPC440SPe evaluation board.
+
++config WNDR4700
++ bool "WNDR4700"
++ depends on 44x
++ default n
++ select APM821xx
++ select PCI_MSI
++ select PPC4xx_MSI
++ select PPC4xx_PCI_EXPRESS
++ select IBM_EMAC_RGMII
++ select 460EX
++ help
++ This option enables support for the Netgear WNDR4700/WNDR4720 board.
++
+ config XILINX_VIRTEX440_GENERIC_BOARD
+ bool "Generic Xilinx Virtex 5 FXT board support"
+ depends on 44x
diff --git a/target/linux/apm821xx/patches-4.14/203-add-meraki-mx60-buckminster-support.patch b/target/linux/apm821xx/patches-4.14/203-add-meraki-mx60-buckminster-support.patch
new file mode 100644
index 0000000000..c3931c9809
--- /dev/null
+++ b/target/linux/apm821xx/patches-4.14/203-add-meraki-mx60-buckminster-support.patch
@@ -0,0 +1,32 @@
+--- a/arch/powerpc/platforms/44x/Kconfig
++++ b/arch/powerpc/platforms/44x/Kconfig
+@@ -31,6 +31,19 @@ config BLUESTONE
+ help
+ This option enables support for the APM APM821xx Evaluation board.
+
++config BUCKMINSTER
++ bool "Buckminster"
++ depends on 44x
++ default n
++ select APM821xx
++ select PCI_MSI
++ select PPC4xx_MSI
++ select PPC4xx_PCI_EXPRESS
++ select IBM_EMAC_RGMII
++ select 460EX
++ help
++ This option enables support for the Cisco Meraki MX60/MX60W (Buckminster) Security Appliance
++
+ config EBONY
+ bool "Ebony"
+ depends on 44x
+--- a/arch/powerpc/platforms/44x/ppc44x_simple.c
++++ b/arch/powerpc/platforms/44x/ppc44x_simple.c
+@@ -63,6 +63,7 @@ static char *board[] __initdata = {
+ "amcc,sequoia",
+ "amcc,taishan",
+ "amcc,yosemite",
++ "meraki,buckminster",
+ "meraki,ikarem",
+ "mosaixtech,icon"
+ };
diff --git a/target/linux/apm821xx/patches-4.14/300-fix-atheros-nics-on-apm82181.patch b/target/linux/apm821xx/patches-4.14/300-fix-atheros-nics-on-apm82181.patch
new file mode 100644
index 0000000000..110726d258
--- /dev/null
+++ b/target/linux/apm821xx/patches-4.14/300-fix-atheros-nics-on-apm82181.patch
@@ -0,0 +1,51 @@
+--- a/arch/powerpc/platforms/4xx/pci.c
++++ b/arch/powerpc/platforms/4xx/pci.c
+@@ -1060,15 +1060,24 @@ static int __init apm821xx_pciex_init_po
+ u32 val;
+
+ /*
+- * Do a software reset on PCIe ports.
+- * This code is to fix the issue that pci drivers doesn't re-assign
+- * bus number for PCIE devices after Uboot
+- * scanned and configured all the buses (eg. PCIE NIC IntelPro/1000
+- * PT quad port, SAS LSI 1064E)
++ * Only reset the PHY when no link is currently established.
++ * This is for the Atheros PCIe board which has problems to establish
++ * the link (again) after this PHY reset. All other currently tested
++ * PCIe boards don't show this problem.
+ */
+-
+- mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x0);
+- mdelay(10);
++ val = mfdcri(SDR0, port->sdr_base + PESDRn_LOOP);
++ if (!(val & 0x00001000)) {
++ /*
++ * Do a software reset on PCIe ports.
++ * This code is to fix the issue that pci drivers doesn't re-assign
++ * bus number for PCIE devices after Uboot
++ * scanned and configured all the buses (eg. PCIE NIC IntelPro/1000
++ * PT quad port, SAS LSI 1064E)
++ */
++
++ mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x0);
++ mdelay(10);
++ }
+
+ if (port->endpoint)
+ val = PTYPE_LEGACY_ENDPOINT << 20;
+@@ -1085,9 +1094,12 @@ static int __init apm821xx_pciex_init_po
+ mtdcri(SDR0, PESDR0_460EX_L0DRV, 0x00000130);
+ mtdcri(SDR0, PESDR0_460EX_L0CLK, 0x00000006);
+
+- mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x10000000);
+- mdelay(50);
+- mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x30000000);
++ val = mfdcri(SDR0, port->sdr_base + PESDRn_LOOP);
++ if (!(val & 0x00001000)) {
++ mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x10000000);
++ mdelay(50);
++ mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x30000000);
++ }
+
+ mtdcri(SDR0, port->sdr_base + PESDRn_RCSSET,
+ mfdcri(SDR0, port->sdr_base + PESDRn_RCSSET) |
diff --git a/target/linux/apm821xx/patches-4.14/301-fix-memory-map-wndr4700.patch b/target/linux/apm821xx/patches-4.14/301-fix-memory-map-wndr4700.patch
new file mode 100644
index 0000000000..6eb04b2c25
--- /dev/null
+++ b/target/linux/apm821xx/patches-4.14/301-fix-memory-map-wndr4700.patch
@@ -0,0 +1,14 @@
+--- a/arch/powerpc/platforms/4xx/pci.c
++++ b/arch/powerpc/platforms/4xx/pci.c
+@@ -1905,9 +1905,9 @@ static void __init ppc4xx_configure_pcie
+ * if it works
+ */
+ out_le32(mbase + PECFG_PIM0LAL, 0x00000000);
+- out_le32(mbase + PECFG_PIM0LAH, 0x00000000);
++ out_le32(mbase + PECFG_PIM0LAH, 0x00000008);
+ out_le32(mbase + PECFG_PIM1LAL, 0x00000000);
+- out_le32(mbase + PECFG_PIM1LAH, 0x00000000);
++ out_le32(mbase + PECFG_PIM1LAH, 0x0000000c);
+ out_le32(mbase + PECFG_PIM01SAH, 0xffff0000);
+ out_le32(mbase + PECFG_PIM01SAL, 0x00000000);
+
diff --git a/target/linux/apm821xx/patches-4.14/701-powerpc_ibm_apm82181_phyclk_fix.patch b/target/linux/apm821xx/patches-4.14/701-powerpc_ibm_apm82181_phyclk_fix.patch
new file mode 100644
index 0000000000..7f630a3c2a
--- /dev/null
+++ b/target/linux/apm821xx/patches-4.14/701-powerpc_ibm_apm82181_phyclk_fix.patch
@@ -0,0 +1,51 @@
+--- a/drivers/net/ethernet/ibm/emac/core.c
++++ b/drivers/net/ethernet/ibm/emac/core.c
+@@ -130,6 +130,7 @@ static inline void emac_report_timeout_e
+ {
+ if (emac_has_feature(dev, EMAC_FTR_440GX_PHY_CLK_FIX |
+ EMAC_FTR_460EX_PHY_CLK_FIX |
++ EMAC_FTR_APM821XX_PHY_CLK_FIX |
+ EMAC_FTR_440EP_PHY_CLK_FIX))
+ DBG(dev, "%s" NL, error);
+ else if (net_ratelimit())
+@@ -146,6 +147,10 @@ static inline void emac_rx_clk_tx(struct
+ if (emac_has_feature(dev, EMAC_FTR_440EP_PHY_CLK_FIX))
+ dcri_clrset(SDR0, SDR0_MFR,
+ 0, SDR0_MFR_ECS >> dev->cell_index);
++
++ if (emac_has_feature(dev, EMAC_FTR_APM821XX_PHY_CLK_FIX))
++ dcri_clrset(SDR0, SDR0_ETH_CFG,
++ 0, 0x00000100 >> dev->cell_index);
+ #endif
+ }
+
+@@ -155,6 +160,10 @@ static inline void emac_rx_clk_default(s
+ if (emac_has_feature(dev, EMAC_FTR_440EP_PHY_CLK_FIX))
+ dcri_clrset(SDR0, SDR0_MFR,
+ SDR0_MFR_ECS >> dev->cell_index, 0);
++
++ if (emac_has_feature(dev, EMAC_FTR_APM821XX_PHY_CLK_FIX))
++ dcri_clrset(SDR0, SDR0_ETH_CFG,
++ 0x00000100 >> dev->cell_index, 0);
+ #endif
+ }
+
+@@ -2879,6 +2888,7 @@ static int emac_init_config(struct emac_
+ if (of_device_is_compatible(np, "ibm,emac-apm821xx")) {
+ dev->features |= (EMAC_APM821XX_REQ_JUMBO_FRAME_SIZE |
+ EMAC_FTR_APM821XX_NO_HALF_DUPLEX |
++ EMAC_FTR_APM821XX_PHY_CLK_FIX |
+ EMAC_FTR_460EX_PHY_CLK_FIX);
+ }
+ } else if (of_device_is_compatible(np, "ibm,emac4")) {
+--- a/drivers/net/ethernet/ibm/emac/core.h
++++ b/drivers/net/ethernet/ibm/emac/core.h
+@@ -335,6 +335,8 @@ struct emac_instance {
+ */
+ #define EMAC_FTR_APM821XX_NO_HALF_DUPLEX 0x00001000
+
++#define EMAC_FTR_APM821XX_PHY_CLK_FIX 0x000002000
++
+ /* Right now, we don't quite handle the always/possible masks on the
+ * most optimal way as we don't have a way to say something like
+ * always EMAC4. Patches welcome.
diff --git a/target/linux/apm821xx/patches-4.14/801-usb-xhci-add-firmware-loader-for-uPD720201-and-uPD72.patch b/target/linux/apm821xx/patches-4.14/801-usb-xhci-add-firmware-loader-for-uPD720201-and-uPD72.patch
new file mode 100644
index 0000000000..144a06970f
--- /dev/null
+++ b/target/linux/apm821xx/patches-4.14/801-usb-xhci-add-firmware-loader-for-uPD720201-and-uPD72.patch
@@ -0,0 +1,545 @@
+From 419992bae5aaa4e06402e0b7c79fcf7bcb6b4764 Mon Sep 17 00:00:00 2001
+From: Christian Lamparter <chunkeey@googlemail.com>
+Date: Thu, 2 Jun 2016 00:48:46 +0200
+Subject: [PATCH] usb: xhci: add firmware loader for uPD720201 and uPD720202
+ w/o ROM
+
+This patch adds a firmware loader for the uPD720201K8-711-BAC-A
+and uPD720202K8-711-BAA-A variant. Both of these chips are listed
+in Renesas' R19UH0078EJ0500 Rev.5.00 "User's Manual: Hardware" as
+devices which need the firmware loader on page 2 in order to
+work as they "do not support the External ROM".
+
+The "Firmware Download Sequence" is describe in chapter
+"7.1 FW Download Interface" R19UH0078EJ0500 Rev.5.00 page 131.
+
+The firmware "K2013080.mem" is available from a USB3.0 Host to
+PCIe Adapter (PP2U-E card) "Firmware download" archive. An
+alternative version can be sourced from Netgear's WNDR4700 GPL
+archives.
+
+The release notes of the PP2U-E's "Firmware Download" ver 2.0.1.3
+(2012-06-15) state that the firmware is for the following devices:
+ - uPD720201 ES 2.0 sample whose revision ID is 2.
+ - uPD720201 ES 2.1 sample & CS sample & Mass product, ID is 3.
+ - uPD720202 ES 2.0 sample & CS sample & Mass product, ID is 2.
+
+If someone from Renesas is listening: It would be great, if these
+firmwares could be added to linux-firmware.git.
+
+Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
+Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
+---
+ drivers/usb/host/xhci-pci.c | 492 ++++++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 492 insertions(+)
+
+--- a/drivers/usb/host/xhci-pci.c
++++ b/drivers/usb/host/xhci-pci.c
+@@ -24,6 +24,8 @@
+ #include <linux/slab.h>
+ #include <linux/module.h>
+ #include <linux/acpi.h>
++#include <linux/firmware.h>
++#include <asm/unaligned.h>
+
+ #include "xhci.h"
+ #include "xhci-trace.h"
+@@ -238,6 +240,458 @@ static void xhci_pme_acpi_rtd3_enable(st
+ static void xhci_pme_acpi_rtd3_enable(struct pci_dev *dev) { }
+ #endif /* CONFIG_ACPI */
+
++static const struct renesas_fw_entry {
++ const char *firmware_name;
++ u16 device;
++ u8 revision;
++ u16 expected_version;
++} renesas_fw_table[] = {
++ /*
++ * Only the uPD720201K8-711-BAC-A or uPD720202K8-711-BAA-A
++ * are listed in R19UH0078EJ0500 Rev.5.00 as devices which
++ * need the software loader.
++ *
++ * PP2U/ReleaseNote_USB3-201-202-FW.txt:
++ *
++ * Note: This firmware is for the following devices.
++ * - uPD720201 ES 2.0 sample whose revision ID is 2.
++ * - uPD720201 ES 2.1 sample & CS sample & Mass product, ID is 3.
++ * - uPD720202 ES 2.0 sample & CS sample & Mass product, ID is 2.
++ */
++ { "K2013080.mem", 0x0014, 0x02, 0x2013 },
++ { "K2013080.mem", 0x0014, 0x03, 0x2013 },
++ { "K2013080.mem", 0x0015, 0x02, 0x2013 },
++};
++
++static const struct renesas_fw_entry *renesas_needs_fw_dl(struct pci_dev *dev)
++{
++ const struct renesas_fw_entry *entry;
++ size_t i;
++
++ /* This loader will only work with a RENESAS device. */
++ if (!(dev->vendor == PCI_VENDOR_ID_RENESAS))
++ return NULL;
++
++ for (i = 0; i < ARRAY_SIZE(renesas_fw_table); i++) {
++ entry = &renesas_fw_table[i];
++ if (entry->device == dev->device &&
++ entry->revision == dev->revision)
++ return entry;
++ }
++
++ return NULL;
++}
++
++static int renesas_fw_download_image(struct pci_dev *dev,
++ const u32 *fw,
++ size_t step)
++{
++ size_t i;
++ int err;
++ u8 fw_status;
++ bool data0_or_data1;
++
++ /*
++ * The hardware does alternate between two 32-bit pages.
++ * (This is because each row of the firmware is 8 bytes).
++ *
++ * for even steps we use DATA0, for odd steps DATA1.
++ */
++ data0_or_data1 = (step & 1) == 1;
++
++ /* step+1. Read "Set DATAX" and confirm it is cleared. */
++ for (i = 0; i < 10000; i++) {
++ err = pci_read_config_byte(dev, 0xF5, &fw_status);
++ if (err)
++ return pcibios_err_to_errno(err);
++ if (!(fw_status & BIT(data0_or_data1)))
++ break;
++
++ udelay(1);
++ }
++ if (i == 10000)
++ return -ETIMEDOUT;
++
++ /*
++ * step+2. Write FW data to "DATAX".
++ * "LSB is left" => force little endian
++ */
++ err = pci_write_config_dword(dev, data0_or_data1 ? 0xFC : 0xF8,
++ (__force u32) cpu_to_le32(fw[step]));
++ if (err)
++ return pcibios_err_to_errno(err);
++
++ udelay(100);
++
++ /* step+3. Set "Set DATAX". */
++ err = pci_write_config_byte(dev, 0xF5, BIT(data0_or_data1));
++ if (err)
++ return pcibios_err_to_errno(err);
++
++ return 0;
++}
++
++static int renesas_fw_verify(struct pci_dev *dev,
++ const void *fw_data,
++ size_t length)
++{
++ const struct renesas_fw_entry *entry = renesas_needs_fw_dl(dev);
++ u16 fw_version_pointer;
++ u16 fw_version;
++
++ if (!entry)
++ return -EINVAL;
++
++ /*
++ * The Firmware's Data Format is describe in
++ * "6.3 Data Format" R19UH0078EJ0500 Rev.5.00 page 124
++ */
++
++ /* "Each row is 8 bytes". => firmware size must be a multiple of 8. */
++ if (length % 8 != 0) {
++ dev_err(&dev->dev, "firmware size is not a multipe of 8.");
++ return -EINVAL;
++ }
++
++ /*
++ * The bootrom chips of the big brother have sizes up to 64k, let's
++ * assume that's the biggest the firmware can get.
++ */
++ if (length < 0x1000 || length >= 0x10000) {
++ dev_err(&dev->dev, "firmware is size %zd is not (4k - 64k).",
++ length);
++ return -EINVAL;
++ }
++
++ /* The First 2 bytes are fixed value (55aa). "LSB on Left" */
++ if (get_unaligned_le16(fw_data) != 0x55aa) {
++ dev_err(&dev->dev, "no valid firmware header found.");
++ return -EINVAL;
++ }
++
++ /* verify the firmware version position and print it. */
++ fw_version_pointer = get_unaligned_le16(fw_data + 4);
++ if (fw_version_pointer + 2 >= length) {
++ dev_err(&dev->dev, "firmware version pointer is outside of the firmware image.");
++ return -EINVAL;
++ }
++
++ fw_version = get_unaligned_le16(fw_data + fw_version_pointer);
++ dev_dbg(&dev->dev, "got firmware version: %02x.", fw_version);
++
++ if (fw_version != entry->expected_version) {
++ dev_err(&dev->dev, "firmware version mismatch, expected version: %02x.",
++ entry->expected_version);
++ return -EINVAL;
++ }
++
++ return 0;
++}
++
++static int renesas_fw_check_running(struct pci_dev *pdev)
++{
++ int err;
++ u8 fw_state;
++
++ /*
++ * Test if the device is actually needing the firmware. As most
++ * BIOSes will initialize the device for us. If the device is
++ * initialized.
++ */
++ err = pci_read_config_byte(pdev, 0xF4, &fw_state);
++ if (err)
++ return pcibios_err_to_errno(err);
++
++ /*
++ * Check if "FW Download Lock" is locked. If it is and the FW is
++ * ready we can simply continue. If the FW is not ready, we have
++ * to give up.
++ */
++ if (fw_state & BIT(1)) {
++ dev_dbg(&pdev->dev, "FW Download Lock is engaged.");
++
++ if (fw_state & BIT(4))
++ return 0;
++
++ dev_err(&pdev->dev, "FW Download Lock is set and FW is not ready. Giving Up.");
++ return -EIO;
++ }
++
++ /*
++ * Check if "FW Download Enable" is set. If someone (us?) tampered
++ * with it and it can't be resetted, we have to give up too... and
++ * ask for a forgiveness and a reboot.
++ */
++ if (fw_state & BIT(0)) {
++ dev_err(&pdev->dev, "FW Download Enable is stale. Giving Up (poweroff/reboot needed).");
++ return -EIO;
++ }
++
++ /* Otherwise, Check the "Result Code" Bits (6:4) and act accordingly */
++ switch ((fw_state & 0x70)) {
++ case 0: /* No result yet */
++ dev_dbg(&pdev->dev, "FW is not ready/loaded yet.");
++
++ /* tell the caller, that this device needs the firmware. */
++ return 1;
++
++ case BIT(4): /* Success, device should be working. */
++ dev_dbg(&pdev->dev, "FW is ready.");
++ return 0;
++
++ case BIT(5): /* Error State */
++ dev_err(&pdev->dev, "hardware is in an error state. Giving up (poweroff/reboot needed).");
++ return -ENODEV;
++
++ default: /* All other states are marked as "Reserved states" */
++ dev_err(&pdev->dev, "hardware is in an invalid state %x. Giving up (poweroff/reboot needed).",
++ (fw_state & 0x70) >> 4);
++ return -EINVAL;
++ }
++}
++
++static int renesas_hw_check_run_stop_busy(struct pci_dev *pdev)
++{
++#if 0
++ u32 val;
++
++ /*
++ * 7.1.3 Note 3: "... must not set 'FW Download Enable' when
++ * 'RUN/STOP' of USBCMD Register is set"
++ */
++ val = readl(hcd->regs + 0x20);
++ if (val & BIT(0)) {
++ dev_err(&pdev->dev, "hardware is busy and can't receive a FW.");
++ return -EBUSY;
++ }
++#endif
++ return 0;
++}
++
++static int renesas_fw_download(struct pci_dev *pdev,
++ const struct firmware *fw, unsigned int retry_counter)
++{
++ const u32 *fw_data = (const u32 *) fw->data;
++ size_t i;
++ int err;
++ u8 fw_status;
++
++ /*
++ * For more information and the big picture: please look at the
++ * "Firmware Download Sequence" in "7.1 FW Download Interface"
++ * of R19UH0078EJ0500 Rev.5.00 page 131
++ */
++ err = renesas_hw_check_run_stop_busy(pdev);
++ if (err)
++ return err;
++
++ /*
++ * 0. Set "FW Download Enable" bit in the
++ * "FW Download Control & Status Register" at 0xF4
++ */
++ err = pci_write_config_byte(pdev, 0xF4, BIT(0));
++ if (err)
++ return pcibios_err_to_errno(err);
++
++ /* 1 - 10 follow one step after the other. */
++ for (i = 0; i < fw->size / 4; i++) {
++ err = renesas_fw_download_image(pdev, fw_data, i);
++ if (err) {
++ dev_err(&pdev->dev, "Firmware Download Step %zd failed at position %zd bytes with (%d).",
++ i, i * 4, err);
++ return err;
++ }
++ }
++
++ /*
++ * This sequence continues until the last data is written to
++ * "DATA0" or "DATA1". Naturally, we wait until "SET DATA0/1"
++ * is cleared by the hardware beforehand.
++ */
++ for (i = 0; i < 10000; i++) {
++ err = pci_read_config_byte(pdev, 0xF5, &fw_status);
++ if (err)
++ return pcibios_err_to_errno(err);
++ if (!(fw_status & (BIT(0) | BIT(1))))
++ break;
++
++ udelay(1);
++ }
++ if (i == 10000)
++ dev_warn(&pdev->dev, "Final Firmware Download step timed out.");
++
++ /*
++ * 11. After finishing writing the last data of FW, the
++ * System Software must clear "FW Download Enable"
++ */
++ err = pci_write_config_byte(pdev, 0xF4, 0);
++ if (err)
++ return pcibios_err_to_errno(err);
++
++ /* 12. Read "Result Code" and confirm it is good. */
++ for (i = 0; i < 10000; i++) {
++ err = pci_read_config_byte(pdev, 0xF4, &fw_status);
++ if (err)
++ return pcibios_err_to_errno(err);
++ if (fw_status & BIT(4))
++ break;
++
++ udelay(1);
++ }
++ if (i == 10000) {
++ /* Timed out / Error - let's see if we can fix this */
++ err = renesas_fw_check_running(pdev);
++ switch (err) {
++ case 0: /*
++ * we shouldn't end up here.
++ * maybe it took a little bit longer.
++ * But all should be well?
++ */
++ break;
++
++ case 1: /* (No result yet? - we can try to retry) */
++ if (retry_counter < 10) {
++ retry_counter++;
++ dev_warn(&pdev->dev, "Retry Firmware download: %d try.",
++ retry_counter);
++ return renesas_fw_download(pdev, fw,
++ retry_counter);
++ }
++ return -ETIMEDOUT;
++
++ default:
++ return err;
++ }
++ }
++ /*
++ * Optional last step: Engage Firmware Lock
++ *
++ * err = pci_write_config_byte(pdev, 0xF4, BIT(2));
++ * if (err)
++ * return pcibios_err_to_errno(err);
++ */
++
++ return 0;
++}
++
++struct renesas_fw_ctx {
++ struct pci_dev *pdev;
++ const struct pci_device_id *id;
++ bool resume;
++};
++
++static int xhci_pci_probe(struct pci_dev *pdev,
++ const struct pci_device_id *id);
++
++static void renesas_fw_callback(const struct firmware *fw,
++ void *context)
++{
++ struct renesas_fw_ctx *ctx = context;
++ struct pci_dev *pdev = ctx->pdev;
++ struct device *parent = pdev->dev.parent;
++ int err = -ENOENT;
++
++ if (fw) {
++ err = renesas_fw_verify(pdev, fw->data, fw->size);
++ if (!err) {
++ err = renesas_fw_download(pdev, fw, 0);
++ release_firmware(fw);
++ if (!err) {
++ if (ctx->resume)
++ return;
++
++ err = xhci_pci_probe(pdev, ctx->id);
++ if (!err) {
++ /* everything worked */
++ devm_kfree(&pdev->dev, ctx);
++ return;
++ }
++
++ /* in case of an error - fall through */
++ } else {
++ dev_err(&pdev->dev, "firmware failed to download (%d).",
++ err);
++ }
++ }
++ } else {
++ dev_err(&pdev->dev, "firmware failed to load (%d).", err);
++ }
++
++ dev_info(&pdev->dev, "Unloading driver");
++
++ if (parent)
++ device_lock(parent);
++
++ device_release_driver(&pdev->dev);
++
++ if (parent)
++ device_unlock(parent);
++
++ pci_dev_put(pdev);
++}
++
++static int renesas_fw_alive_check(struct pci_dev *pdev)
++{
++ const struct renesas_fw_entry *entry;
++ int err;
++
++ /* check if we have a eligible RENESAS' uPD720201/2 w/o FW. */
++ entry = renesas_needs_fw_dl(pdev);
++ if (!entry)
++ return 0;
++
++ err = renesas_fw_check_running(pdev);
++ /* Also go ahead, if the firmware is running */
++ if (err == 0)
++ return 0;
++
++ /* At this point, we can be sure that the FW isn't ready. */
++ return err;
++}
++
++static int renesas_fw_download_to_hw(struct pci_dev *pdev,
++ const struct pci_device_id *id,
++ bool do_resume)
++{
++ const struct renesas_fw_entry *entry;
++ struct renesas_fw_ctx *ctx;
++ int err;
++
++ /* check if we have a eligible RENESAS' uPD720201/2 w/o FW. */
++ entry = renesas_needs_fw_dl(pdev);
++ if (!entry)
++ return 0;
++
++ err = renesas_fw_check_running(pdev);
++ /* Continue ahead, if the firmware is already running. */
++ if (err == 0)
++ return 0;
++
++ if (err != 1)
++ return err;
++
++ ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
++ if (!ctx)
++ return -ENOMEM;
++ ctx->pdev = pdev;
++ ctx->resume = do_resume;
++ ctx->id = id;
++
++ pci_dev_get(pdev);
++ err = request_firmware_nowait(THIS_MODULE, 1, entry->firmware_name,
++ &pdev->dev, GFP_KERNEL, ctx, renesas_fw_callback);
++ if (err) {
++ pci_dev_put(pdev);
++ return err;
++ }
++
++ /*
++ * The renesas_fw_callback() callback will continue the probe
++ * process, once it aquires the firmware.
++ */
++ return 1;
++}
++
+ /* called during probe() after chip reset completes */
+ static int xhci_pci_setup(struct usb_hcd *hcd)
+ {
+@@ -273,6 +727,22 @@ static int xhci_pci_probe(struct pci_dev
+ struct hc_driver *driver;
+ struct usb_hcd *hcd;
+
++ /*
++ * Check if this device is a RENESAS uPD720201/2 device.
++ * Otherwise, we can continue with xhci_pci_probe as usual.
++ */
++ retval = renesas_fw_download_to_hw(dev, id, false);
++ switch (retval) {
++ case 0:
++ break;
++
++ case 1: /* let it load the firmware and recontinue the probe. */
++ return 0;
++
++ default:
++ return retval;
++ };
++
+ driver = (struct hc_driver *)id->driver_data;
+
+ /* For some HW implementation, a XHCI reset is just not enough... */
+@@ -337,6 +807,16 @@ static void xhci_pci_remove(struct pci_d
+ {
+ struct xhci_hcd *xhci;
+
++ if (renesas_fw_alive_check(dev)) {
++ /*
++ * bail out early, if this was a renesas device w/o FW.
++ * Else we might hit the NMI watchdog in xhci_handsake
++ * during xhci_reset as part of the driver's unloading.
++ * which we forced in the renesas_fw_callback().
++ */
++ return;
++ }
++
+ xhci = hcd_to_xhci(pci_get_drvdata(dev));
+ xhci->xhc_state |= XHCI_STATE_REMOVING;
+ if (xhci->shared_hcd) {
diff --git a/target/linux/apm821xx/patches-4.14/802-usb-xhci-force-msi-renesas-xhci.patch b/target/linux/apm821xx/patches-4.14/802-usb-xhci-force-msi-renesas-xhci.patch
new file mode 100644
index 0000000000..ec97f16e27
--- /dev/null
+++ b/target/linux/apm821xx/patches-4.14/802-usb-xhci-force-msi-renesas-xhci.patch
@@ -0,0 +1,54 @@
+From a0dc613140bab907a3d5787a7ae7b0638bf674d0 Mon Sep 17 00:00:00 2001
+From: Christian Lamparter <chunkeey@gmail.com>
+Date: Thu, 23 Jun 2016 20:28:20 +0200
+Subject: [PATCH] usb: xhci: force MSI for uPD720201 and
+ uPD720202
+
+The APM82181 does not support MSI-X. When probed, it will
+produce a noisy warning.
+
+---
+ drivers/usb/host/pci-quirks.c | 362 ++++++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 362 insertions(+)
+
+--- a/drivers/usb/host/xhci-pci.c
++++ b/drivers/usb/host/xhci-pci.c
+@@ -196,7 +196,7 @@ static void xhci_pci_quirks(struct devic
+ xhci->quirks |= XHCI_TRUST_TX_LENGTH;
+ if (pdev->vendor == PCI_VENDOR_ID_RENESAS &&
+ pdev->device == 0x0015)
+- xhci->quirks |= XHCI_RESET_ON_RESUME;
++ xhci->quirks |= XHCI_RESET_ON_RESUME | XHCI_FORCE_MSI;
+ if (pdev->vendor == PCI_VENDOR_ID_VIA)
+ xhci->quirks |= XHCI_RESET_ON_RESUME;
+
+--- a/drivers/usb/host/xhci.c
++++ b/drivers/usb/host/xhci.c
+@@ -357,10 +357,14 @@ static int xhci_try_enable_msi(struct us
+ free_irq(hcd->irq, hcd);
+ hcd->irq = 0;
+
+- ret = xhci_setup_msix(xhci);
+- if (ret)
+- /* fall back to msi*/
++ if (xhci->quirks & XHCI_FORCE_MSI) {
+ ret = xhci_setup_msi(xhci);
++ } else {
++ ret = xhci_setup_msix(xhci);
++ if (ret)
++ /* fall back to msi*/
++ ret = xhci_setup_msi(xhci);
++ }
+
+ if (!ret) {
+ hcd->msi_enabled = 1;
+--- a/drivers/usb/host/xhci.h
++++ b/drivers/usb/host/xhci.h
+@@ -1848,6 +1848,7 @@ struct xhci_hcd {
+ /* support xHCI 0.96 spec USB2 software LPM */
+ unsigned sw_lpm_support:1;
+ /* support xHCI 1.0 spec USB2 hardware LPM */
++#define XHCI_FORCE_MSI (1 << 24)
+ unsigned hw_lpm_support:1;
+ /* cached usb2 extened protocol capabilites */
+ u32 *ext_caps;
diff --git a/target/linux/apm821xx/patches-4.14/803-hwmon-tc654-add-detection-routine.patch b/target/linux/apm821xx/patches-4.14/803-hwmon-tc654-add-detection-routine.patch
new file mode 100644
index 0000000000..f8b30ae1b3
--- /dev/null
+++ b/target/linux/apm821xx/patches-4.14/803-hwmon-tc654-add-detection-routine.patch
@@ -0,0 +1,65 @@
+From 694f9bfb8efaef8a33e8992015ff9d0866faf4a2 Mon Sep 17 00:00:00 2001
+From: Christian Lamparter <chunkeey@gmail.com>
+Date: Sun, 17 Dec 2017 17:27:15 +0100
+Subject: [PATCH 1/2] hwmon: tc654 add detection routine
+
+This patch adds a detection routine for the TC654/TC655
+chips. Both IDs are listed in the Datasheet.
+
+Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
+---
+ drivers/hwmon/tc654.c | 29 +++++++++++++++++++++++++++++
+ 1 file changed, 29 insertions(+)
+
+--- a/drivers/hwmon/tc654.c
++++ b/drivers/hwmon/tc654.c
+@@ -64,6 +64,11 @@ enum tc654_regs {
+ /* Register data is read (and cached) at most once per second. */
+ #define TC654_UPDATE_INTERVAL HZ
+
++/* Manufacturer and Version Identification Register Values */
++#define TC654_MFR_ID_MICROCHIP 0x84
++#define TC654_VER_ID 0x00
++#define TC655_VER_ID 0x01
++
+ struct tc654_data {
+ struct i2c_client *client;
+
+@@ -497,6 +502,29 @@ static const struct i2c_device_id tc654_
+ {}
+ };
+
++static int
++tc654_detect(struct i2c_client *new_client, struct i2c_board_info *info)
++{
++ struct i2c_adapter *adapter = new_client->adapter;
++ int manufacturer, product;
++
++ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
++ return -ENODEV;
++
++ manufacturer = i2c_smbus_read_byte_data(new_client, TC654_REG_MFR_ID);
++ if (manufacturer != TC654_MFR_ID_MICROCHIP)
++ return -ENODEV;
++
++ product = i2c_smbus_read_byte_data(new_client, TC654_REG_VER_ID);
++ if (!((product == TC654_VER_ID) || (product == TC655_VER_ID)))
++ return -ENODEV;
++
++ strlcpy(info->type, product == TC654_VER_ID ? "tc654" : "tc655",
++ I2C_NAME_SIZE);
++ return 0;
++}
++
++
+ MODULE_DEVICE_TABLE(i2c, tc654_id);
+
+ static struct i2c_driver tc654_driver = {
+@@ -505,6 +533,7 @@ static struct i2c_driver tc654_driver =
+ },
+ .probe = tc654_probe,
+ .id_table = tc654_id,
++ .detect = tc654_detect,
+ };
+
+ module_i2c_driver(tc654_driver);
diff --git a/target/linux/apm821xx/patches-4.14/804-hwmon-tc654-add-thermal_cooling-device.patch b/target/linux/apm821xx/patches-4.14/804-hwmon-tc654-add-thermal_cooling-device.patch
new file mode 100644
index 0000000000..18ed8aecce
--- /dev/null
+++ b/target/linux/apm821xx/patches-4.14/804-hwmon-tc654-add-thermal_cooling-device.patch
@@ -0,0 +1,174 @@
+From 15ae701189744d321d3a1264ff46f8871e8765ee Mon Sep 17 00:00:00 2001
+From: Christian Lamparter <chunkeey@gmail.com>
+Date: Sun, 17 Dec 2017 17:29:13 +0100
+Subject: [PATCH] hwmon: tc654: add thermal_cooling device
+
+This patch adds a thermaL_cooling device to the tc654 driver.
+This allows the chip to be used for DT-based cooling.
+
+Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
+---
+ drivers/hwmon/tc654.c | 103 +++++++++++++++++++++++++++++++++++++++++---------
+ 1 file changed, 86 insertions(+), 17 deletions(-)
+
+--- a/drivers/hwmon/tc654.c
++++ b/drivers/hwmon/tc654.c
+@@ -24,6 +24,7 @@
+ #include <linux/module.h>
+ #include <linux/mutex.h>
+ #include <linux/slab.h>
++#include <linux/thermal.h>
+ #include <linux/util_macros.h>
+
+ enum tc654_regs {
+@@ -141,6 +142,9 @@ struct tc654_data {
+ * writable register used to control the duty
+ * cycle of the V OUT output.
+ */
++
++ /* optional cooling device */
++ struct thermal_cooling_device *cdev;
+ };
+
+ /* helper to grab and cache data, at most one time per second */
+@@ -376,36 +380,30 @@ static ssize_t set_pwm_mode(struct devic
+ static const int tc654_pwm_map[16] = { 77, 88, 102, 112, 124, 136, 148, 160,
+ 172, 184, 196, 207, 219, 231, 243, 255};
+
++static int get_pwm(struct tc654_data *data)
++{
++ if (data->config & TC654_REG_CONFIG_SDM)
++ return 0;
++ else
++ return tc654_pwm_map[data->duty_cycle];
++}
++
+ static ssize_t show_pwm(struct device *dev, struct device_attribute *da,
+ char *buf)
+ {
+ struct tc654_data *data = tc654_update_client(dev);
+- int pwm;
+
+ if (IS_ERR(data))
+ return PTR_ERR(data);
+
+- if (data->config & TC654_REG_CONFIG_SDM)
+- pwm = 0;
+- else
+- pwm = tc654_pwm_map[data->duty_cycle];
+-
+- return sprintf(buf, "%d\n", pwm);
++ return sprintf(buf, "%d\n", get_pwm(data));
+ }
+
+-static ssize_t set_pwm(struct device *dev, struct device_attribute *da,
+- const char *buf, size_t count)
++static int _set_pwm(struct tc654_data *data, unsigned long val)
+ {
+- struct tc654_data *data = dev_get_drvdata(dev);
+ struct i2c_client *client = data->client;
+- unsigned long val;
+ int ret;
+
+- if (kstrtoul(buf, 10, &val))
+- return -EINVAL;
+- if (val > 255)
+- return -EINVAL;
+-
+ mutex_lock(&data->update_lock);
+
+ if (val == 0)
+@@ -425,6 +423,22 @@ static ssize_t set_pwm(struct device *de
+
+ out:
+ mutex_unlock(&data->update_lock);
++ return ret;
++}
++
++static ssize_t set_pwm(struct device *dev, struct device_attribute *da,
++ const char *buf, size_t count)
++{
++ struct tc654_data *data = dev_get_drvdata(dev);
++ unsigned long val;
++ int ret;
++
++ if (kstrtoul(buf, 10, &val))
++ return -EINVAL;
++ if (val > 255)
++ return -EINVAL;
++
++ ret = _set_pwm(data, val);
+ return ret < 0 ? ret : count;
+ }
+
+@@ -462,6 +476,47 @@ static struct attribute *tc654_attrs[] =
+
+ ATTRIBUTE_GROUPS(tc654);
+
++/* cooling device */
++
++static int tc654_get_max_state(struct thermal_cooling_device *cdev,
++ unsigned long *state)
++{
++ *state = 255;
++ return 0;
++}
++
++static int tc654_get_cur_state(struct thermal_cooling_device *cdev,
++ unsigned long *state)
++{
++ struct tc654_data *data = tc654_update_client(cdev->devdata);
++
++ if (IS_ERR(data))
++ return PTR_ERR(data);
++
++ *state = get_pwm(data);
++ return 0;
++}
++
++static int tc654_set_cur_state(struct thermal_cooling_device *cdev,
++ unsigned long state)
++{
++ struct tc654_data *data = tc654_update_client(cdev->devdata);
++
++ if (IS_ERR(data))
++ return PTR_ERR(data);
++
++ if (state > 255)
++ return -EINVAL;
++
++ return _set_pwm(data, state);
++}
++
++static const struct thermal_cooling_device_ops tc654_fan_cool_ops = {
++ .get_max_state = tc654_get_max_state,
++ .get_cur_state = tc654_get_cur_state,
++ .set_cur_state = tc654_set_cur_state,
++};
++
+ /*
+ * device probe and removal
+ */
+@@ -493,7 +548,21 @@ static int tc654_probe(struct i2c_client
+ hwmon_dev =
+ devm_hwmon_device_register_with_groups(dev, client->name, data,
+ tc654_groups);
+- return PTR_ERR_OR_ZERO(hwmon_dev);
++ if (IS_ERR(hwmon_dev))
++ return PTR_ERR(hwmon_dev);
++
++#if IS_ENABLED(CONFIG_OF)
++ /* Optional cooling device register for Device tree platforms */
++ data->cdev = thermal_of_cooling_device_register(client->dev.of_node,
++ "tc654", hwmon_dev,
++ &tc654_fan_cool_ops);
++#else /* CONFIG_OF */
++ /* Optional cooling device register for non Device tree platforms */
++ data->cdev = thermal_cooling_device_register("tc654", hwmon_dev,
++ &tc654_fan_cool_ops);
++#endif /* CONFIG_OF */
++
++ return PTR_ERR_OR_ZERO(data->cdev);
+ }
+
+ static const struct i2c_device_id tc654_id[] = {