From a1a9bcb50308b6f7fa90038ef300f3725c130dde Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Tue, 13 Jan 2009 10:17:30 +1000 Subject: [PATCH] m68knommu: fix cache flushing for the 527x ColdFire processors Fix cache flushing for the 527x ColdFire processors Its CACR register format is slightly different. Along with this add support for flushing the 523x cache, which uses the same format as the 527x ColdFire's, and was missing flush support. Signed-off-by: Greg Ungerer --- arch/m68k/include/asm/cacheflush_no.h | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/arch/m68k/include/asm/cacheflush_no.h b/arch/m68k/include/asm/cacheflush_no.h index 87e5dc0413b..c65f00a9455 100644 --- a/arch/m68k/include/asm/cacheflush_no.h +++ b/arch/m68k/include/asm/cacheflush_no.h @@ -51,13 +51,20 @@ static inline void __flush_cache_all(void) "movec %%d0,%%CACR\n\t" : : : "d0", "a0" ); #endif /* CONFIG_M5407 */ -#if defined(CONFIG_M527x) || defined(CONFIG_M528x) +#if defined(CONFIG_M523x) || defined(CONFIG_M527x) + __asm__ __volatile__ ( + "movel #0x81400100, %%d0\n\t" + "movec %%d0, %%CACR\n\t" + "nop\n\t" + : : : "d0" ); +#endif /* CONFIG_M523x || CONFIG_M527x */ +#if defined(CONFIG_M528x) __asm__ __volatile__ ( "movel #0x81000200, %%d0\n\t" "movec %%d0, %%CACR\n\t" "nop\n\t" : : : "d0" ); -#endif /* CONFIG_M527x || CONFIG_M528x */ +#endif /* CONFIG_M528x */ #if defined(CONFIG_M5206) || defined(CONFIG_M5206e) || defined(CONFIG_M5272) __asm__ __volatile__ ( "movel #0x81000100, %%d0\n\t" -- 2.20.1