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--- a/arch/arm/boot/dts/imx6q.dtsi
+++ b/arch/arm/boot/dts/imx6q.dtsi
@@ -382,6 +382,15 @@
};
};
+ pcie: pcie@01ffc000 {
+ #crtc-cells = <1>;
+ compatible = "fsl,imx6q-pcie", "fsl,pcie";
+ reg = <0x01ffc000 0x4000>;
+ clocks = <&clks 144>, <&clks 189>;
+ clock-names = "pcie_axi", "pcie_ref_125m";
+ status = "disabled";
+ };
+
ipu2: ipu@02800000 {
#crtc-cells = <1>;
compatible = "fsl,imx6q-ipu";
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -790,6 +790,8 @@ config SOC_IMX6Q
bool "i.MX6 Quad/DualLite support"
select ARCH_HAS_CPUFREQ
select ARCH_HAS_OPP
+ select ARCH_HAS_IMX_PCIE
+ select ARCH_SUPPORTS_MSI
select ARM_CPU_SUSPEND if PM
select ARM_ERRATA_754322
select ARM_ERRATA_764369 if SMP
@@ -816,6 +818,10 @@ config SOC_IMX6Q
help
This enables support for Freescale i.MX6 Quad processor.
+config IMX_PCIE
+ bool "PCI Express support"
+ select PCI
+
endif
source "arch/arm/mach-imx/devices/Kconfig"
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -98,6 +98,8 @@ AFLAGS_headsmp.o :=-Wa,-march=armv7-a
obj-$(CONFIG_SMP) += headsmp.o platsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
obj-$(CONFIG_SOC_IMX6Q) += clk-imx6q.o mach-imx6q.o
+obj-$(CONFIG_IMX_PCIE) += pcie.o
+obj-$(CONFIG_PCI_MSI) += msi.o
ifeq ($(CONFIG_PM),y)
obj-$(CONFIG_SOC_IMX6Q) += pm-imx6q.o headsmp.o
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -547,6 +547,12 @@ int __init mx6q_clocks_init(void)
clk_register_clkdev(clk[ahb], "ahb", NULL);
clk_register_clkdev(clk[cko1], "cko1", NULL);
clk_register_clkdev(clk[arm], NULL, "cpu0");
+ clk_register_clkdev(clk[pcie_axi_sel], "pcie_axi_sel", NULL);
+ clk_register_clkdev(clk[axi], "axi", NULL);
+ clk_register_clkdev(clk[pll6_enet], "pll6_enet", NULL);
+ clk_register_clkdev(clk[pcie_ref], "pcie_ref", NULL);
+ clk_register_clkdev(clk[pcie_ref_125m], "pcie_ref_125m", NULL);
+ clk_register_clkdev(clk[pcie_axi], "pcie_axi", NULL);
if (imx6q_revision() != IMX_CHIP_REVISION_1_0) {
clk_set_parent(clk[ldb_di0_sel], clk[pll5_video_div]);
--- a/arch/arm/mach-imx/mxc.h
+++ b/arch/arm/mach-imx/mxc.h
@@ -151,6 +151,10 @@ extern unsigned int __mxc_cpu_type;
# define cpu_is_mx53() (0)
#endif
+#ifdef CONFIG_SOC_IMX6Q
+# define mxc_cpu_type __mxc_cpu_type
+#endif
+
#ifndef __ASSEMBLY__
static inline bool cpu_is_imx6dl(void)
{
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -178,6 +178,9 @@ extern int pci_ioremap_io(unsigned int o
*/
#ifdef CONFIG_NEED_MACH_IO_H
#include <mach/io.h>
+#elif defined(CONFIG_SOC_IMX6Q) && defined(CONFIG_IMX_PCIE)
+#define IO_SPACE_LIMIT ((resource_size_t)0xffffffff)
+#define __io(a) __typesafe_io((a) & IO_SPACE_LIMIT)
#elif defined(CONFIG_PCI)
#define IO_SPACE_LIMIT ((resource_size_t)0xfffff)
#define __io(a) __typesafe_io(PCI_IO_VIRT_BASE + ((a) & IO_SPACE_LIMIT))
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