From: blogic Date: Wed, 19 Nov 2014 10:59:12 +0000 (+0000) Subject: ralink: backport the pcie reset fix for mt7620a X-Git-Url: http://git.ozo.com/?p=openwrt-14.07%2F.git;a=commitdiff_plain;h=cd986364850e4936a677660e8f1156f09cee4419 ralink: backport the pcie reset fix for mt7620a Signed-off-by: John Crispin git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@43313 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- diff --git a/target/linux/ramips/patches-3.10/0115-PCI-MIPS-adds-mt7620a-pcie-driver.patch b/target/linux/ramips/patches-3.10/0115-PCI-MIPS-adds-mt7620a-pcie-driver.patch index cff4017..738b254 100644 --- a/target/linux/ramips/patches-3.10/0115-PCI-MIPS-adds-mt7620a-pcie-driver.patch +++ b/target/linux/ramips/patches-3.10/0115-PCI-MIPS-adds-mt7620a-pcie-driver.patch @@ -11,9 +11,11 @@ Signed-off-by: John Crispin 3 files changed, 365 insertions(+) create mode 100644 arch/mips/pci/pci-mt7620a.c ---- a/arch/mips/pci/Makefile -+++ b/arch/mips/pci/Makefile -@@ -41,6 +41,7 @@ obj-$(CONFIG_SIBYTE_BCM1x80) += pci-bcm1 +Index: linux-3.10.49/arch/mips/pci/Makefile +=================================================================== +--- linux-3.10.49.orig/arch/mips/pci/Makefile 2014-11-19 00:10:07.524464417 +0100 ++++ linux-3.10.49/arch/mips/pci/Makefile 2014-11-19 00:59:40.008028418 +0100 +@@ -41,6 +41,7 @@ obj-$(CONFIG_SNI_RM) += fixup-sni.o ops-sni.o obj-$(CONFIG_LANTIQ) += fixup-lantiq.o obj-$(CONFIG_PCI_LANTIQ) += pci-lantiq.o ops-lantiq.o @@ -21,9 +23,11 @@ Signed-off-by: John Crispin obj-$(CONFIG_SOC_RT2880) += pci-rt2880.o obj-$(CONFIG_SOC_RT3883) += pci-rt3883.o obj-$(CONFIG_TANBAC_TB0219) += fixup-tb0219.o ---- /dev/null -+++ b/arch/mips/pci/pci-mt7620a.c -@@ -0,0 +1,363 @@ +Index: linux-3.10.49/arch/mips/pci/pci-mt7620a.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ linux-3.10.49/arch/mips/pci/pci-mt7620a.c 2014-11-19 00:59:33.679782361 +0100 +@@ -0,0 +1,365 @@ +/* + * Ralink MT7620A SoC PCI support + * @@ -274,10 +278,12 @@ Signed-off-by: John Crispin + /* PCIE: Elastic buffer control */ + pcie_phy(0x68, 0xB4); + ++ rt_sysc_m32(0x3 << 16, 0, RALINK_GPIOMODE); ++ 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(1<<19, 1<<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); @@ -387,9 +393,11 @@ Signed-off-by: John Crispin +} + +arch_initcall(mt7620a_pci_init); ---- a/arch/mips/ralink/Kconfig -+++ b/arch/mips/ralink/Kconfig -@@ -33,6 +33,7 @@ choice +Index: linux-3.10.49/arch/mips/ralink/Kconfig +=================================================================== +--- linux-3.10.49.orig/arch/mips/ralink/Kconfig 2014-11-19 00:10:07.524464417 +0100 ++++ linux-3.10.49/arch/mips/ralink/Kconfig 2014-11-19 00:59:40.208036193 +0100 +@@ -33,6 +33,7 @@ bool "MT7620" select USB_ARCH_HAS_OHCI select USB_ARCH_HAS_EHCI