1
0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-12-01 00:49:42 +02:00
openwrt-xburst/target/linux/cns3xxx/patches-3.3/105-cns3xxx_pcie_io.patch
nbd 21cd9bc80a cns3xxx: move virtual io addresses to vmalloc space to fix kernel BUG() calls
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33485 3c298f89-4303-0410-b956-a3cf2f4a3e73
2012-09-19 23:49:58 +00:00

89 lines
2.5 KiB
Diff

--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -70,6 +70,16 @@ static struct map_desc cns3xxx_io_desc[]
.pfn = __phys_to_pfn(CNS3XXX_SSP_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
+ }, {
+ .virtual = CNS3XXX_PCIE0_IO_BASE_VIRT,
+ .pfn = __phys_to_pfn(CNS3XXX_PCIE0_IO_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE,
+ }, {
+ .virtual = CNS3XXX_PCIE1_IO_BASE_VIRT,
+ .pfn = __phys_to_pfn(CNS3XXX_PCIE1_IO_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE,
},
};
@@ -145,13 +155,13 @@ void __init cns3xxx_common_init(void)
/* used by entry-macro.S */
void __init cns3xxx_init_irq(void)
{
- gic_init(0, 29, __io(CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT),
- __io(CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT));
+ gic_init(0, 29, (void __iomem *) CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT,
+ (void __iomem *) CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT);
}
void cns3xxx_power_off(void)
{
- u32 __iomem *pm_base = __io(CNS3XXX_PM_BASE_VIRT);
+ u32 __iomem *pm_base = (void __iomem *) CNS3XXX_PM_BASE_VIRT;
u32 clkctrl;
printk(KERN_INFO "powering system down...\n");
@@ -325,7 +335,7 @@ static void __init __cns3xxx_timer_init(
static void __init cns3xxx_timer_init(void)
{
- cns3xxx_tmr1 = __io(CNS3XXX_TIMER1_2_3_BASE_VIRT);
+ cns3xxx_tmr1 = (void __iomem *) CNS3XXX_TIMER1_2_3_BASE_VIRT;
__cns3xxx_timer_init(IRQ_CNS3XXX_TIMER0);
}
--- a/arch/arm/mach-cns3xxx/devices.c
+++ b/arch/arm/mach-cns3xxx/devices.c
@@ -98,7 +98,7 @@ static struct platform_device cns3xxx_sd
void __init cns3xxx_sdhci_init(void)
{
- u32 __iomem *gpioa = __io(CNS3XXX_MISC_BASE_VIRT + 0x0014);
+ u32 __iomem *gpioa = (void __iomem *) (CNS3XXX_MISC_BASE_VIRT + 0x0014);
u32 gpioa_pins = __raw_readl(gpioa);
/* MMC/SD pins share with GPIOA */
--- a/arch/arm/mach-cns3xxx/include/mach/io.h
+++ b/arch/arm/mach-cns3xxx/include/mach/io.h
@@ -9,9 +9,17 @@
#ifndef __MACH_IO_H
#define __MACH_IO_H
+#include "cns3xxx.h"
+
#define IO_SPACE_LIMIT 0xffffffff
-#define __io(a) __typesafe_io(a)
+static inline void __iomem *__io(unsigned long addr)
+{
+ return (void __iomem *)((addr - CNS3XXX_PCIE0_IO_BASE)
+ + CNS3XXX_PCIE0_IO_BASE_VIRT);
+}
+
+#define __io(a) __io(a)
#define __mem_pci(a) (a)
#endif
--- a/drivers/spi/spi_cns3xxx.c
+++ b/drivers/spi/spi_cns3xxx.c
@@ -273,7 +273,7 @@ done:
static void __init cns3xxx_spi_initial(void)
{
- u32 __iomem *gpiob = __io(CNS3XXX_MISC_BASE_VIRT + 0x0018);
+ u32 __iomem *gpiob = (void __iomem *) (CNS3XXX_MISC_BASE_VIRT + 0x0018);
u32 gpiob_pins = __raw_readl(gpiob);
/* MMC/SD pins share with GPIOA */