gemini: rename patches directory to patches-4.4

[openwrt/staging/yousong.git] / target / linux / gemini / patches-4.4 / 140-arm-gemini-add-pci-support.patch

diff --git a/target/linux/gemini/patches-4.4/140-arm-gemini-add-pci-support.patch b/target/linux/gemini/patches-4.4/140-arm-gemini-add-pci-support.patch
new file mode 100644 (file)
index 0000000..d17b1a1
--- /dev/null
+++ b/target/linux/gemini/patches-4.4/140-arm-gemini-add-pci-support.patch
@@ -0,0 +1,66 @@
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -399,6 +399,7 @@ config ARCH_GEMINI
+       select CLKSRC_MMIO
+       select CPU_FA526
+       select GENERIC_CLOCKEVENTS
++      select MIGHT_HAVE_PCI
+       help
+         Support for the Cortina Systems Gemini family SoCs
+ 
+--- a/arch/arm/mach-gemini/include/mach/hardware.h
++++ b/arch/arm/mach-gemini/include/mach/hardware.h
+@@ -68,4 +68,9 @@
+  */
+ #define IO_ADDRESS(x) IOMEM((((x) & 0xFFF00000) >> 4) | ((x) & 0x000FFFFF) | 0xF0000000)
+ 
++/*
++ * PCI subsystem macros
++ */
++#define pcibios_assign_all_busses()   1
++
+ #endif
+--- a/arch/arm/mach-gemini/include/mach/irqs.h
++++ b/arch/arm/mach-gemini/include/mach/irqs.h
+@@ -43,11 +43,14 @@
+ 
+ #define NORMAL_IRQ_NUM        32
+ 
+-#define GPIO_IRQ_BASE NORMAL_IRQ_NUM
++#define PCI_IRQ_BASE  NORMAL_IRQ_NUM
++#define PCI_IRQ_NUM   4
++
++#define GPIO_IRQ_BASE (NORMAL_IRQ_NUM + PCI_IRQ_NUM)
+ #define GPIO_IRQ_NUM  (3 * 32)
+ 
+ #define ARCH_TIMER_IRQ        IRQ_TIMER2
+ 
+-#define NR_IRQS               (NORMAL_IRQ_NUM + GPIO_IRQ_NUM)
++#define NR_IRQS               (NORMAL_IRQ_NUM + PCI_IRQ_NUM + GPIO_IRQ_NUM)
+ 
+ #endif /* __MACH_IRQS_H__ */
+--- a/arch/arm/mach-gemini/Makefile
++++ b/arch/arm/mach-gemini/Makefile
+@@ -6,6 +6,8 @@
+ 
+ obj-y                 := irq.o mm.o time.o devices.o gpio.o idle.o reset.o
+ 
++obj-$(CONFIG_PCI)     += pci.o
++
+ # Board-specific support
+ obj-$(CONFIG_MACH_NAS4220B)   += board-nas4220b.o
+ obj-$(CONFIG_MACH_RUT100)     += board-rut1xx.o
+--- a/arch/arm/mach-gemini/mm.c
++++ b/arch/arm/mach-gemini/mm.c
+@@ -59,6 +59,11 @@ static struct map_desc gemini_io_desc[]
+               .length         = SZ_512K,
+               .type           = MT_DEVICE,
+       }, {
++              .virtual        = (unsigned long)IO_ADDRESS(GEMINI_PCI_IO_BASE),
++              .pfn            = __phys_to_pfn(GEMINI_PCI_IO_BASE),
++              .length         = SZ_512K,
++              .type           = MT_DEVICE,
++      }, {
+               .virtual        = (unsigned long)IO_ADDRESS(GEMINI_FLASH_CTRL_BASE),
+               .pfn            = __phys_to_pfn(GEMINI_FLASH_CTRL_BASE),
+               .length         = SZ_512K,