projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 5f97f7f9 HS |
1 | #ifndef __ASM_AVR32_CACHE_H |
| 2 | #define __ASM_AVR32_CACHE_H | |
| 3 | ||
| 4 | #define L1_CACHE_SHIFT 5 | |
| 5 | #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) | |
| 6 | ||
| 093d0faf HS |
7 | /* |
| 8 | * Memory returned by kmalloc() may be used for DMA, so we must make | |
| 9 | * sure that all such allocations are cache aligned. Otherwise, | |
| 10 | * unrelated code may cause parts of the buffer to be read into the | |
| 11 | * cache before the transfer is done, causing old data to be seen by | |
| 12 | * the CPU. | |
| 13 | */ | |
| 14 | #define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES | |
| 15 | ||
| 5f97f7f9 HS |
16 | #ifndef __ASSEMBLER__ |
| 17 | struct cache_info { | |
| 18 | unsigned int ways; | |
| 19 | unsigned int sets; | |
| 20 | unsigned int linesz; | |
| 21 | }; | |
| 22 | #endif /* __ASSEMBLER */ | |
| 23 | ||
| 24 | /* Cache operation constants */ | |
| 25 | #define ICACHE_FLUSH 0x00 | |
| 26 | #define ICACHE_INVALIDATE 0x01 | |
| 27 | #define ICACHE_LOCK 0x02 | |
| 28 | #define ICACHE_UNLOCK 0x03 | |
| 29 | #define ICACHE_PREFETCH 0x04 | |
| 30 | ||
| 31 | #define DCACHE_FLUSH 0x08 | |
| 32 | #define DCACHE_LOCK 0x09 | |
| 33 | #define DCACHE_UNLOCK 0x0a | |
| 34 | #define DCACHE_INVALIDATE 0x0b | |
| 35 | #define DCACHE_CLEAN 0x0c | |
| 36 | #define DCACHE_CLEAN_INVAL 0x0d | |
| 37 | ||
| 38 | #endif /* __ASM_AVR32_CACHE_H */ |