| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * include/asm-xtensa/cache.h |
| 3 | * |
| 4 | * This file is subject to the terms and conditions of the GNU General Public |
| 5 | * License. See the file "COPYING" in the main directory of this archive |
| 6 | * for more details. |
| 7 | * |
| 8 | * (C) 2001 - 2005 Tensilica Inc. |
| 9 | */ |
| 10 | |
| 11 | #ifndef _XTENSA_CACHE_H |
| 12 | #define _XTENSA_CACHE_H |
| 13 | |
| 14 | #include <variant/core.h> |
| 15 | |
| 16 | #define L1_CACHE_SHIFT XCHAL_DCACHE_LINEWIDTH |
| 17 | #define L1_CACHE_BYTES XCHAL_DCACHE_LINESIZE |
| 18 | #define SMP_CACHE_BYTES L1_CACHE_BYTES |
| 19 | |
| 20 | #define DCACHE_WAY_SIZE (XCHAL_DCACHE_SIZE/XCHAL_DCACHE_WAYS) |
| 21 | #define ICACHE_WAY_SIZE (XCHAL_ICACHE_SIZE/XCHAL_ICACHE_WAYS) |
| 22 | #define DCACHE_WAY_SHIFT (XCHAL_DCACHE_SETWIDTH + XCHAL_DCACHE_LINEWIDTH) |
| 23 | #define ICACHE_WAY_SHIFT (XCHAL_ICACHE_SETWIDTH + XCHAL_ICACHE_LINEWIDTH) |
| 24 | |
| 25 | /* Maximum cache size per way. */ |
| 26 | #if DCACHE_WAY_SIZE >= ICACHE_WAY_SIZE |
| 27 | # define CACHE_WAY_SIZE DCACHE_WAY_SIZE |
| 28 | #else |
| 29 | # define CACHE_WAY_SIZE ICACHE_WAY_SIZE |
| 30 | #endif |
| 31 | |
| 32 | #define ARCH_DMA_MINALIGN L1_CACHE_BYTES |
| 33 | |
| 34 | #endif /* _XTENSA_CACHE_H */ |