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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 08:55:16 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 08:55:16 (GMT) |
| commit | a1b81a84fff05dbfef45b7012c26e1fee9973e5d (patch) | |
| tree | 3d053e76542ad4d20bd83ad35c13eabff97003ab /arch/avr32/mach-at32ap/include/mach/io.h | |
| parent | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (diff) | |
| parent | 3663b736a5083b3bce74520b637f630f01f66a7f (diff) | |
| download | linux-a1b81a84fff05dbfef45b7012c26e1fee9973e5d.tar.xz | |
Merge branch 'header-move' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
Diffstat (limited to 'arch/avr32/mach-at32ap/include/mach/io.h')
| -rw-r--r-- | arch/avr32/mach-at32ap/include/mach/io.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/avr32/mach-at32ap/include/mach/io.h b/arch/avr32/mach-at32ap/include/mach/io.h new file mode 100644 index 0000000..4ec6abc --- /dev/null +++ b/arch/avr32/mach-at32ap/include/mach/io.h @@ -0,0 +1,39 @@ +#ifndef __ASM_AVR32_ARCH_AT32AP_IO_H +#define __ASM_AVR32_ARCH_AT32AP_IO_H + +/* For "bizarre" halfword swapping */ +#include <linux/byteorder/swabb.h> + +#if defined(CONFIG_AP700X_32_BIT_SMC) +# define __swizzle_addr_b(addr) (addr ^ 3UL) +# define __swizzle_addr_w(addr) (addr ^ 2UL) +# define __swizzle_addr_l(addr) (addr) +# define ioswabb(a, x) (x) +# define ioswabw(a, x) (x) +# define ioswabl(a, x) (x) +# define __mem_ioswabb(a, x) (x) +# define __mem_ioswabw(a, x) swab16(x) +# define __mem_ioswabl(a, x) swab32(x) +#elif defined(CONFIG_AP700X_16_BIT_SMC) +# define __swizzle_addr_b(addr) (addr ^ 1UL) +# define __swizzle_addr_w(addr) (addr) +# define __swizzle_addr_l(addr) (addr) +# define ioswabb(a, x) (x) +# define ioswabw(a, x) (x) +# define ioswabl(a, x) swahw32(x) +# define __mem_ioswabb(a, x) (x) +# define __mem_ioswabw(a, x) swab16(x) +# define __mem_ioswabl(a, x) swahb32(x) +#else +# define __swizzle_addr_b(addr) (addr) +# define __swizzle_addr_w(addr) (addr) +# define __swizzle_addr_l(addr) (addr) +# define ioswabb(a, x) (x) +# define ioswabw(a, x) swab16(x) +# define ioswabl(a, x) swab32(x) +# define __mem_ioswabb(a, x) (x) +# define __mem_ioswabw(a, x) (x) +# define __mem_ioswabl(a, x) (x) +#endif + +#endif /* __ASM_AVR32_ARCH_AT32AP_IO_H */ |