From 60610192559d430dd24d9b508ae9d8d249709af9 Mon Sep 17 00:00:00 2001 From: Greg Ungerer Date: Tue, 18 Oct 2011 16:07:25 +1000 Subject: [PATCH] m68k: modify cache push and clear code for ColdFire with MMU enable The cache push and clear code only need to flush the branch cache on the write-through cache setup of the ColdFire V4e with MMU enabled. Signed-off-by: Greg Ungerer Acked-by: Geert Uytterhoeven Acked-by: Matt Waddel Acked-by: Kurt Mahan --- arch/m68k/mm/memory.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/m68k/mm/memory.c b/arch/m68k/mm/memory.c index 34c77ce..a5dbb74 100644 --- a/arch/m68k/mm/memory.c +++ b/arch/m68k/mm/memory.c @@ -203,7 +203,9 @@ static inline void pushcl040(unsigned long paddr) void cache_clear (unsigned long paddr, int len) { - if (CPU_IS_040_OR_060) { + if (CPU_IS_COLDFIRE) { + flush_cf_bcache(0, DCACHE_MAX_ADDR); + } else if (CPU_IS_040_OR_060) { int tmp; /* @@ -250,7 +252,9 @@ EXPORT_SYMBOL(cache_clear); void cache_push (unsigned long paddr, int len) { - if (CPU_IS_040_OR_060) { + if (CPU_IS_COLDFIRE) { + flush_cf_bcache(0, DCACHE_MAX_ADDR); + } else if (CPU_IS_040_OR_060) { int tmp = PAGE_SIZE; /* -- 2.7.4