diff options
| author | John Crispin <blogic@openwrt.org> | 2014-11-17 16:27:48 +0000 |
|---|---|---|
| committer | John Crispin <blogic@openwrt.org> | 2014-11-17 16:27:48 +0000 |
| commit | eec86430098782e7774db733c875b7a96f299869 (patch) | |
| tree | 4d9b2b4accf95ec7ac30dc07321c6ab8ac8c860f /target/linux | |
| parent | a1e3550b3736a762ced948355f03d9088a693bc1 (diff) | |
| download | upstream-eec86430098782e7774db733c875b7a96f299869.tar.gz upstream-eec86430098782e7774db733c875b7a96f299869.tar.bz2 upstream-eec86430098782e7774db733c875b7a96f299869.zip | |
ralink: fix pcie reset
some old mt7620a uboots dont reset the pcie core properly. work around this
issue in the kernel driver.
Signed-off-by: John Crispin <blogic@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43292 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/ramips/dts/mt7620a.dtsi | 13 | ||||
| -rw-r--r-- | target/linux/ramips/patches-3.14/0032-PCI-MIPS-adds-mt7620a-pcie-driver.patch | 19 |
2 files changed, 21 insertions, 11 deletions
diff --git a/target/linux/ramips/dts/mt7620a.dtsi b/target/linux/ramips/dts/mt7620a.dtsi index eb090e317e..c9a7573cac 100644 --- a/target/linux/ramips/dts/mt7620a.dtsi +++ b/target/linux/ramips/dts/mt7620a.dtsi @@ -302,8 +302,8 @@ }; i2c_pins: i2c { i2c { - lantiq,group = "i2c"; - lantiq,function = "i2c"; + ralink,group = "i2c"; + ralink,function = "i2c"; }; }; uartlite_pins: uartlite { @@ -342,6 +342,12 @@ ralink,function = "rgmii2"; }; }; + pcie_pins: pcie { + pcie { + ralink,group = "pcie"; + ralink,function = "pcie rst"; + }; + }; }; rstctrl: rstctrl { @@ -443,6 +449,9 @@ interrupt-parent = <&cpuintc>; interrupts = <4>; + pinctrl-names = "default"; + pinctrl-0 = <&pcie_pins>; + device_type = "pci"; bus-range = <0 255>; diff --git a/target/linux/ramips/patches-3.14/0032-PCI-MIPS-adds-mt7620a-pcie-driver.patch b/target/linux/ramips/patches-3.14/0032-PCI-MIPS-adds-mt7620a-pcie-driver.patch index 91f5feac89..bea6a46098 100644 --- a/target/linux/ramips/patches-3.14/0032-PCI-MIPS-adds-mt7620a-pcie-driver.patch +++ b/target/linux/ramips/patches-3.14/0032-PCI-MIPS-adds-mt7620a-pcie-driver.patch @@ -13,8 +13,8 @@ Signed-off-by: John Crispin <blogic@openwrt.org> Index: linux-3.14.18/arch/mips/pci/Makefile =================================================================== ---- linux-3.14.18.orig/arch/mips/pci/Makefile 2014-11-13 15:45:37.323344081 +0100 -+++ linux-3.14.18/arch/mips/pci/Makefile 2014-11-13 15:45:37.331344390 +0100 +--- linux-3.14.18.orig/arch/mips/pci/Makefile 2014-11-17 16:02:34.009553392 +0100 ++++ linux-3.14.18/arch/mips/pci/Makefile 2014-11-17 16:02:34.017553694 +0100 @@ -42,6 +42,7 @@ obj-$(CONFIG_LANTIQ) += fixup-lantiq.o obj-$(CONFIG_PCI_LANTIQ) += pci-lantiq.o ops-lantiq.o @@ -26,8 +26,8 @@ Index: linux-3.14.18/arch/mips/pci/Makefile Index: linux-3.14.18/arch/mips/pci/pci-mt7620.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-3.14.18/arch/mips/pci/pci-mt7620.c 2014-11-13 18:20:27.961225097 +0100 -@@ -0,0 +1,395 @@ ++++ linux-3.14.18/arch/mips/pci/pci-mt7620.c 2014-11-17 16:09:52.814075085 +0100 +@@ -0,0 +1,396 @@ +/* + * Ralink MT7620A SoC PCI support + * @@ -247,11 +247,12 @@ Index: linux-3.14.18/arch/mips/pci/pci-mt7620.c + /* PCIE: Elastic buffer control */ + pcie_phy(0x68, 0xB4); + ++ pcie_m32(0, BIT(1), RALINK_PCI_PCICFG_ADDR); ++ + reset_control_assert(rstpcie0); + + rt_sysc_m32(RALINK_PCIE0_CLK_EN, 0, RALINK_CLKCFG1); + rt_sysc_m32(BIT(19), BIT(31), PPLL_DRV); -+ rt_sysc_m32(0x3 << 16, 0, RALINK_GPIOMODE); + + reset_control_deassert(rstpcie0); + rt_sysc_m32(0, RALINK_PCIE0_CLK_EN, RALINK_CLKCFG1); @@ -425,8 +426,8 @@ Index: linux-3.14.18/arch/mips/pci/pci-mt7620.c +arch_initcall(mt7620_pci_init); Index: linux-3.14.18/arch/mips/ralink/Kconfig =================================================================== ---- linux-3.14.18.orig/arch/mips/ralink/Kconfig 2014-11-13 15:45:37.323344081 +0100 -+++ linux-3.14.18/arch/mips/ralink/Kconfig 2014-11-13 15:45:37.331344390 +0100 +--- linux-3.14.18.orig/arch/mips/ralink/Kconfig 2014-11-17 16:02:34.009553392 +0100 ++++ linux-3.14.18/arch/mips/ralink/Kconfig 2014-11-17 16:02:34.021553845 +0100 @@ -39,6 +39,7 @@ bool "MT7620/8" select USB_ARCH_HAS_OHCI @@ -437,8 +438,8 @@ Index: linux-3.14.18/arch/mips/ralink/Kconfig bool "MT7621" Index: linux-3.14.18/arch/mips/include/asm/mach-ralink/mt7620.h =================================================================== ---- linux-3.14.18.orig/arch/mips/include/asm/mach-ralink/mt7620.h 2014-11-13 15:45:37.311343619 +0100 -+++ linux-3.14.18/arch/mips/include/asm/mach-ralink/mt7620.h 2014-11-13 18:20:31.721370073 +0100 +--- linux-3.14.18.orig/arch/mips/include/asm/mach-ralink/mt7620.h 2014-11-17 16:02:33.993552790 +0100 ++++ linux-3.14.18/arch/mips/include/asm/mach-ralink/mt7620.h 2014-11-17 16:10:00.002345398 +0100 @@ -19,6 +19,7 @@ MT762X_SOC_MT7620N, MT762X_SOC_MT7628AN, |