diff options
Diffstat (limited to 'arch/arm/mach-realview/include/mach/hardware.h')
| -rw-r--r-- | arch/arm/mach-realview/include/mach/hardware.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/arm/mach-realview/include/mach/hardware.h b/arch/arm/mach-realview/include/mach/hardware.h index 79a93b3dfca..281e71c9752 100644 --- a/arch/arm/mach-realview/include/mach/hardware.h +++ b/arch/arm/mach-realview/include/mach/hardware.h @@ -25,7 +25,18 @@ #include <asm/sizes.h> /* macro to get at IO space when running virtually */ -#define IO_ADDRESS(x) (((x) & 0x0fffffff) + 0xf0000000) -#define __io_address(n) __io(IO_ADDRESS(n)) +#ifdef CONFIG_MMU +/* + * Statically mapped addresses: + * + * 10xx xxxx -> fbxx xxxx + * 1exx xxxx -> fdxx xxxx + * 1fxx xxxx -> fexx xxxx + */ +#define IO_ADDRESS(x) (((x) & 0x03ffffff) + 0xfb000000) +#else +#define IO_ADDRESS(x) (x) +#endif +#define __io_address(n) IOMEM(IO_ADDRESS(n)) #endif |