diff options
Diffstat (limited to 'arch/m68k/include/asm/m54xxacr.h')
| -rw-r--r-- | arch/m68k/include/asm/m54xxacr.h | 38 |
1 files changed, 2 insertions, 36 deletions
diff --git a/arch/m68k/include/asm/m54xxacr.h b/arch/m68k/include/asm/m54xxacr.h index 3c81a7a34a8f2..6bce82fdb9c31 100644 --- a/arch/m68k/include/asm/m54xxacr.h +++ b/arch/m68k/include/asm/m54xxacr.h @@ -83,46 +83,12 @@ #define ACR2_MODE (0x000f0000+INSN_CACHE_MODE) #define ACR3_MODE 0 -#ifndef __ASSEMBLY__ - #if ((DATA_CACHE_MODE & ACR_CM) == ACR_CM_WT) #define flush_dcache_range(a, l) do { asm("nop"); } while (0) #endif - -static inline void __m54xx_flush_cache_all(void) -{ - __asm__ __volatile__ ( #if ((DATA_CACHE_MODE & ACR_CM) == ACR_CM_CP) - /* - * Use cpushl to push and invalidate all cache lines. - * Gas doesn't seem to know how to generate the ColdFire - * cpushl instruction... Oh well, bit stuff it for now. - */ - "clrl %%d0\n\t" - "1:\n\t" - "movel %%d0,%%a0\n\t" - "2:\n\t" - ".word 0xf468\n\t" - "addl %0,%%a0\n\t" - "cmpl %1,%%a0\n\t" - "blt 2b\n\t" - "addql #1,%%d0\n\t" - "cmpil %2,%%d0\n\t" - "bne 1b\n\t" +/* Copyback cache mode must push dirty cache lines first */ +#define CACHE_PUSH #endif - "movel %3,%%d0\n\t" - "movec %%d0,%%CACR\n\t" - "nop\n\t" /* forces flush of Store Buffer */ - : /* No output */ - : "i" (CACHE_LINE_SIZE), - "i" (DCACHE_SIZE / CACHE_WAYS), - "i" (CACHE_WAYS), - "i" (CACHE_INVALIDATE) - : "d0", "a0" ); -} - -#define __flush_cache_all() __m54xx_flush_cache_all() - -#endif /* __ASSEMBLY__ */ #endif /* m54xxacr_h */ |