| Haavard Skinnemoen | e3e7d8d | 2007-02-12 16:28:56 +0100 | [diff] [blame^] | 1 | #ifndef __ASM_AVR32_ARCH_AT32AP_IO_H |
| 2 | #define __ASM_AVR32_ARCH_AT32AP_IO_H |
| 3 | |
| 4 | /* For "bizarre" halfword swapping */ |
| 5 | #include <linux/byteorder/swabb.h> |
| 6 | |
| 7 | #if defined(CONFIG_AP7000_32_BIT_SMC) |
| 8 | # define __swizzle_addr_b(addr) (addr ^ 3UL) |
| 9 | # define __swizzle_addr_w(addr) (addr ^ 2UL) |
| 10 | # define __swizzle_addr_l(addr) (addr) |
| 11 | # define ioswabb(a, x) (x) |
| 12 | # define ioswabw(a, x) (x) |
| 13 | # define ioswabl(a, x) (x) |
| 14 | # define __mem_ioswabb(a, x) (x) |
| 15 | # define __mem_ioswabw(a, x) swab16(x) |
| 16 | # define __mem_ioswabl(a, x) swab32(x) |
| 17 | #elif defined(CONFIG_AP7000_16_BIT_SMC) |
| 18 | # define __swizzle_addr_b(addr) (addr ^ 1UL) |
| 19 | # define __swizzle_addr_w(addr) (addr) |
| 20 | # define __swizzle_addr_l(addr) (addr) |
| 21 | # define ioswabb(a, x) (x) |
| 22 | # define ioswabw(a, x) (x) |
| 23 | # define ioswabl(a, x) swahw32(x) |
| 24 | # define __mem_ioswabb(a, x) (x) |
| 25 | # define __mem_ioswabw(a, x) swab16(x) |
| 26 | # define __mem_ioswabl(a, x) swahb32(x) |
| 27 | #else |
| 28 | # define __swizzle_addr_b(addr) (addr) |
| 29 | # define __swizzle_addr_w(addr) (addr) |
| 30 | # define __swizzle_addr_l(addr) (addr) |
| 31 | # define ioswabb(a, x) (x) |
| 32 | # define ioswabw(a, x) swab16(x) |
| 33 | # define ioswabl(a, x) swab32(x) |
| 34 | # define __mem_ioswabb(a, x) (x) |
| 35 | # define __mem_ioswabw(a, x) (x) |
| 36 | # define __mem_ioswabl(a, x) (x) |
| 37 | #endif |
| 38 | |
| 39 | #endif /* __ASM_AVR32_ARCH_AT32AP_IO_H */ |