| /* |
| * include/asm-xtensa/cache.h |
| * |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| * (C) 2001 - 2005 Tensilica Inc. |
| */ |
| |
| #ifndef _XTENSA_CACHE_H |
| #define _XTENSA_CACHE_H |
| |
| #include <asm/core.h> |
| |
| #define L1_CACHE_SHIFT XCHAL_DCACHE_LINEWIDTH |
| #define L1_CACHE_BYTES XCHAL_DCACHE_LINESIZE |
| #define SMP_CACHE_BYTES L1_CACHE_BYTES |
| |
| #define DCACHE_WAY_SIZE (XCHAL_DCACHE_SIZE/XCHAL_DCACHE_WAYS) |
| #define ICACHE_WAY_SIZE (XCHAL_ICACHE_SIZE/XCHAL_ICACHE_WAYS) |
| #define DCACHE_WAY_SHIFT (XCHAL_DCACHE_SETWIDTH + XCHAL_DCACHE_LINEWIDTH) |
| #define ICACHE_WAY_SHIFT (XCHAL_ICACHE_SETWIDTH + XCHAL_ICACHE_LINEWIDTH) |
| |
| /* Maximum cache size per way. */ |
| #if DCACHE_WAY_SIZE >= ICACHE_WAY_SIZE |
| # define CACHE_WAY_SIZE DCACHE_WAY_SIZE |
| #else |
| # define CACHE_WAY_SIZE ICACHE_WAY_SIZE |
| #endif |
| |
| #define ARCH_DMA_MINALIGN L1_CACHE_BYTES |
| |
| /* |
| * R/O after init is actually writable, it cannot go to .rodata |
| * according to vmlinux linker script. |
| */ |
| #define __ro_after_init __read_mostly |
| |
| #endif /* _XTENSA_CACHE_H */ |
