diff options
author | Paul Mackerras <paulus@samba.org> | 2007-04-30 12:38:01 +1000 |
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committer | Paul Mackerras <paulus@samba.org> | 2007-04-30 12:38:01 +1000 |
commit | 49e1900d4cc2e7bcecb681fe60f0990bec2dcce8 (patch) | |
tree | 253801ebf57e0a23856a2c7be129c2c178f62fdf /include/asm-avr32/arch-at32ap/io.h | |
parent | 34f6d749c0a328817d5e36274e53121c1db734dc (diff) | |
parent | b9099ff63c75216d6ca10bce5a1abcd9293c27e6 (diff) |
Merge branch 'linux-2.6' into for-2.6.22
Diffstat (limited to 'include/asm-avr32/arch-at32ap/io.h')
-rw-r--r-- | include/asm-avr32/arch-at32ap/io.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/asm-avr32/arch-at32ap/io.h b/include/asm-avr32/arch-at32ap/io.h new file mode 100644 index 00000000000..ee59e401f04 --- /dev/null +++ b/include/asm-avr32/arch-at32ap/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_AP7000_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_AP7000_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 */ |