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| author | Catalin Marinas <catalin.marinas@arm.com> | 2009-07-24 12:34:57 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2009-07-24 12:34:57 +0100 |
| commit | 365f7a43497dfdfdc05ca03896a8e22ee6944179 (patch) | |
| tree | 4feeaf5d5424af24fa83fd248384ff09c0c48f34 /arch/arm/mach-integrator | |
| parent | 9a45f026bb3ba720765d46f62f5c464d3317a8ab (diff) | |
| download | lwn-365f7a43497dfdfdc05ca03896a8e22ee6944179.tar.gz lwn-365f7a43497dfdfdc05ca03896a8e22ee6944179.zip | |
nommu: Add MMU-less support for Integrator platforms
This patch redefines the IO_ADDRESS macro in
include/asm-arm/hardware.h.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm/mach-integrator')
| -rw-r--r-- | arch/arm/mach-integrator/include/mach/hardware.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_cp.c | 16 |
2 files changed, 12 insertions, 8 deletions
diff --git a/arch/arm/mach-integrator/include/mach/hardware.h b/arch/arm/mach-integrator/include/mach/hardware.h index 1251319ef9ae..d795642fad22 100644 --- a/arch/arm/mach-integrator/include/mach/hardware.h +++ b/arch/arm/mach-integrator/include/mach/hardware.h @@ -36,8 +36,12 @@ #define PCIO_BASE PCI_IO_VADDR #define PCIMEM_BASE PCI_MEMORY_VADDR +#ifdef CONFIG_MMU /* macro to get at IO space when running virtually */ #define IO_ADDRESS(x) (((x) >> 4) + IO_BASE) +#else +#define IO_ADDRESS(x) (x) +#endif #define pcibios_assign_all_busses() 1 diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 4ac04055c2ea..452931b2690e 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -49,14 +49,14 @@ #define INTCP_PA_CLCD_BASE 0xc0000000 -#define INTCP_VA_CIC_BASE 0xf1000040 -#define INTCP_VA_PIC_BASE 0xf1400000 -#define INTCP_VA_SIC_BASE 0xfca00000 +#define INTCP_VA_CIC_BASE IO_ADDRESS(INTEGRATOR_HDR_BASE) + 0x40 +#define INTCP_VA_PIC_BASE IO_ADDRESS(INTEGRATOR_IC_BASE) +#define INTCP_VA_SIC_BASE IO_ADDRESS(0xca000000) #define INTCP_PA_ETH_BASE 0xc8000000 #define INTCP_ETH_SIZE 0x10 -#define INTCP_VA_CTRL_BASE 0xfcb00000 +#define INTCP_VA_CTRL_BASE IO_ADDRESS(0xcb000000) #define INTCP_FLASHPROG 0x04 #define CINTEGRATOR_FLASHPROG_FLVPPEN (1 << 0) #define CINTEGRATOR_FLASHPROG_FLWREN (1 << 1) @@ -121,12 +121,12 @@ static struct map_desc intcp_io_desc[] __initdata = { .length = SZ_4K, .type = MT_DEVICE }, { - .virtual = 0xfca00000, + .virtual = IO_ADDRESS(0xca000000), .pfn = __phys_to_pfn(0xca000000), .length = SZ_4K, .type = MT_DEVICE }, { - .virtual = 0xfcb00000, + .virtual = IO_ADDRESS(0xcb000000), .pfn = __phys_to_pfn(0xcb000000), .length = SZ_4K, .type = MT_DEVICE @@ -394,8 +394,8 @@ static struct platform_device *intcp_devs[] __initdata = { */ static unsigned int mmc_status(struct device *dev) { - unsigned int status = readl(0xfca00004); - writel(8, 0xfcb00008); + unsigned int status = readl(IO_ADDRESS(0xca000000) + 4); + writel(8, IO_ADDRESS(0xcb000000) + 8); return status & 8; } |