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Diffstat (limited to 'arch/m68k/platform/coldfire/cache.c')
| -rw-r--r-- | arch/m68k/platform/coldfire/cache.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/arch/m68k/platform/coldfire/cache.c b/arch/m68k/platform/coldfire/cache.c deleted file mode 100644 index 71beeaf0c5c4..000000000000 --- a/arch/m68k/platform/coldfire/cache.c +++ /dev/null @@ -1,48 +0,0 @@ -/***************************************************************************/ - -/* - * cache.c -- general ColdFire Cache maintenance code - * - * Copyright (C) 2010, Greg Ungerer (gerg@snapgear.com) - */ - -/***************************************************************************/ - -#include <linux/kernel.h> -#include <asm/coldfire.h> -#include <asm/mcfsim.h> - -/***************************************************************************/ -#ifdef CACHE_PUSH -/***************************************************************************/ - -/* - * Use cpushl to push all dirty cache lines back to memory. - * Older versions of GAS don't seem to know how to generate the - * ColdFire cpushl instruction... Oh well, bit stuff it for now. - */ - -void mcf_cache_push(void) -{ - __asm__ __volatile__ ( - "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" - : /* No output */ - : "i" (CACHE_LINE_SIZE), - "i" (DCACHE_SIZE / CACHE_WAYS), - "i" (CACHE_WAYS) - : "d0", "a0" ); -} - -/***************************************************************************/ -#endif /* CACHE_PUSH */ -/***************************************************************************/ |