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ralink: update pcie driver to load ranges from dts

Browse Source 
Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 43249
This commit is contained in:
John Crispin 2014-11-14 16:53:07 +00:00
parent 7963782b86
commit 66463a5b5d
4 changed files with 114 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
target/linux/ramips/dts/mt7620a.dtsi
View File

@ -443,6 +443,14 @@
interrupt-parent = <&cpuintc>;
interrupts = <4>;
device_type = "pci";
bus-range = <0 255>;
ranges = <
0x02000000 0 0x00000000 0x20000000 0 0x10000000 /* pci memory */
0x01000000 0 0x00000000 0x10160000 0 0x00010000 /* io space */
>;
status = "disabled";
pcie-bridge {

84
target/linux/ramips/dts/mt7621.dtsi
View File

@ -92,8 +92,8 @@
#address-cells = <1>;
#size-cells = <1>;
/* pinctrl-names = "default";
pinctrl-0 = <&spi_pins>;*/
pinctrl-names = "default";
pinctrl-0 = <&spi_pins>;
m25p80@0 {
#address-cells = <1>;
@ -136,6 +136,84 @@
};
};
pinctrl {
compatible = "ralink,rt2880-pinmux";
pinctrl-names = "default";
pinctrl-0 = <&state_default>;
state_default: pinctrl0 {
};
spi_pins: spi {
spi {
ralink,group = "spi";
ralink,function = "spi";
};
};
i2c_pins: i2c {
i2c {
lantiq,group = "i2c";
lantiq,function = "i2c";
};
};
uart1_pins: uart1 {
uart1 {
ralink,group = "uart1";
ralink,function = "uart";
};
};
uart2_pins: uart2 {
uart2 {
ralink,group = "uart2";
ralink,function = "uart";
};
};
uart3_pins: uart3 {
uart3 {
ralink,group = "uart3";
ralink,function = "uart";
};
};
rgmii1_pins: rgmii1 {
rgmii1 {
ralink,group = "rgmii1";
ralink,function = "rgmii";
};
};
rgmii2_pins: rgmii2 {
rgmii2 {
ralink,group = "rgmii2";
ralink,function = "rgmii";
};
};
mdio_pins: mdio {
mdio {
ralink,group = "mdio";
ralink,function = "mdio";
};
};
pcie_pins: pcie {
pcie {
ralink,group = "pcie";
ralink,function = "pcie rst";
};
};
nand_pins: nand {
spi-nand {
ralink,group = "spi";
ralink,function = "nand";
};
sdhci-nand {
ralink,group = "sdhci";
ralink,function = "nand";
};
};
sdhci_pins: sdhci {
sdhci {
ralink,group = "sdhci";
ralink,function = "sdhci";
};
};
};
rstctrl: rstctrl {
compatible = "ralink,rt2880-reset";
#reset-cells = <1>;
@ -150,7 +228,7 @@
};
xhci@1E1C0000 {
compatible = "xhci-platform1";
compatible = "xhci-platform";
reg = <0x1E1C0000 4000>;
interrupt-parent = <&gic>;

8
target/linux/ramips/dts/mt7628an.dtsi
View File

@ -213,6 +213,14 @@
status = "disabled";
device_type = "pci";
bus-range = <0 255>;
ranges = <
0x02000000 0 0x00000000 0x20000000 0 0x10000000 /* pci memory */
0x01000000 0 0x00000000 0x10160000 0 0x00010000 /* io space */
>;
pcie-bridge {
reg = <0x0000 0 0 0 0>;

44
target/linux/ramips/patches-3.14/0032-PCI-MIPS-adds-mt7620a-pcie-driver.patch
View File

@ -6,28 +6,28 @@ Subject: [PATCH 32/57] PCI: MIPS: adds mt7620a pcie driver
Signed-off-by: John Crispin <blogic@openwrt.org>
---
arch/mips/pci/Makefile | 1 +
arch/mips/pci/pci-mt7620a.c | 363 +++++++++++++++++++++++++++++++++++++++++++
arch/mips/pci/pci-mt7620.c | 363 +++++++++++++++++++++++++++++++++++++++++++
arch/mips/ralink/Kconfig | 1 +
3 files changed, 365 insertions(+)
create mode 100644 arch/mips/pci/pci-mt7620a.c
create mode 100644 arch/mips/pci/pci-mt7620.c
Index: linux-3.14.18/arch/mips/pci/Makefile
===================================================================
--- linux-3.14.18.orig/arch/mips/pci/Makefile 2014-11-12 15:57:29.098559332 +0100
+++ linux-3.14.18/arch/mips/pci/Makefile 2014-11-12 15:57:29.118560067 +0100
--- 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
@@ -42,6 +42,7 @@
obj-$(CONFIG_LANTIQ) += fixup-lantiq.o
obj-$(CONFIG_PCI_LANTIQ) += pci-lantiq.o ops-lantiq.o
obj-$(CONFIG_SOC_MT7621) += pci-mt7621.o
+obj-$(CONFIG_SOC_MT7620) += pci-mt7620a.o
+obj-$(CONFIG_SOC_MT7620) += pci-mt7620.o
obj-$(CONFIG_SOC_RT2880) += pci-rt2880.o
obj-$(CONFIG_SOC_RT3883) += pci-rt3883.o
obj-$(CONFIG_TANBAC_TB0219) += fixup-tb0219.o
Index: linux-3.14.18/arch/mips/pci/pci-mt7620a.c
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-mt7620a.c 2014-11-12 17:24:58.339670670 +0100
@@ -0,0 +1,405 @@
+++ linux-3.14.18/arch/mips/pci/pci-mt7620.c 2014-11-13 18:20:27.961225097 +0100
@@ -0,0 +1,395 @@
+/*
+ * Ralink MT7620A SoC PCI support
+ *
@ -228,19 +228,8 @@ Index: linux-3.14.18/arch/mips/pci/pci-mt7620a.c
+ .write = pci_config_write,
+};
+
+static struct resource mt7620_res_pci_mem1 = {
+ .name = "pci memory",
+ .start = RALINK_PCI_MM_MAP_BASE,
+ .end = (u32) ((RALINK_PCI_MM_MAP_BASE + (unsigned char *)0x0fffffff)),
+ .flags = IORESOURCE_MEM,
+};
+static struct resource mt7620_res_pci_io1 = {
+ .name = "pci io",
+ .start = RALINK_PCI_IO_MAP_BASE,
+ .end = (u32) ((RALINK_PCI_IO_MAP_BASE + (unsigned char *)0x0ffff)),
+ .flags = IORESOURCE_IO,
+};
+
+static struct resource mt7620_res_pci_mem1;
+static struct resource mt7620_res_pci_io1;
+struct pci_controller mt7620_controller = {
+ .pci_ops = &mt7620_pci_ops,
+ .mem_resource = &mt7620_res_pci_mem1,
@ -325,7 +314,7 @@ Index: linux-3.14.18/arch/mips/pci/pci-mt7620a.c
+ ioport_resource.end = ~0;
+
+ /* bring up the pci core */
+ switch (mt762x_soc) {
+ switch (ralink_soc) {
+ case MT762X_SOC_MT7620A:
+ if (mt7620_pci_hw_init(pdev))
+ return -1;
@ -350,7 +339,7 @@ Index: linux-3.14.18/arch/mips/pci/pci-mt7620a.c
+ if ((pcie_r32(RALINK_PCI0_STATUS) & 0x1) == 0) {
+ reset_control_assert(rstpcie0);
+ rt_sysc_m32(RALINK_PCIE0_CLK_EN, 0, RALINK_CLKCFG1);
+ if (mt762x_soc == MT762X_SOC_MT7620A)
+ if (ralink_soc == MT762X_SOC_MT7620A)
+ rt_sysc_m32(LC_CKDRVPD_, PDRV_SW_SET, PPLL_DRV);
+ dev_err(&pdev->dev, "PCIE0 no card, disable it(RST&CLK)\n");
+ return -1;
@ -393,6 +382,7 @@ Index: linux-3.14.18/arch/mips/pci/pci-mt7620a.c
+ dev_err(&dev->dev, "no irq found - bus=0x%x, slot = 0x%x\n", dev->bus->number, slot);
+ return 0;
+ }
+ dev_err(&dev->dev, "card - bus=0x%x, slot = 0x%x irq=%d\n", dev->bus->number, slot, irq);
+
+ pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 0x14); //configure cache line size 0x14
+ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xFF); //configure latency timer 0x10
@ -435,8 +425,8 @@ Index: linux-3.14.18/arch/mips/pci/pci-mt7620a.c
+arch_initcall(mt7620_pci_init);
Index: linux-3.14.18/arch/mips/ralink/Kconfig
===================================================================
--- linux-3.14.18.orig/arch/mips/ralink/Kconfig 2014-11-12 15:57:29.098559332 +0100
+++ linux-3.14.18/arch/mips/ralink/Kconfig 2014-11-12 15:57:29.118560067 +0100
--- 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
@@ -39,6 +39,7 @@
bool "MT7620/8"
select USB_ARCH_HAS_OHCI
@ -447,8 +437,8 @@ 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 2014-11-12 15:57:29.082558746 +0100
+++ linux-3.14.18/arch/mips/include/asm/mach-ralink/mt7620.h 2014-11-12 15:57:29.118560067 +0100
--- 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
@@ -19,6 +19,7 @@
MT762X_SOC_MT7620N,
MT762X_SOC_MT7628AN,