iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

m68k: modify cache push and clear code for ColdFire with MMU enable

Browse Source 
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 <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Matt Waddel <mwaddel@yahoo.com>
Acked-by: Kurt Mahan <kmahan@xmission.com>
This commit is contained in:
Greg Ungerer 2011-10-18 16:07:25 +10:00
parent 8b38f3c923
commit 6061019255
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/m68k/mm/memory.c
View File

@ -203,7 +203,9 @@ static inline void pushcl040(unsigned long paddr)
void cache_clear (unsigned long paddr, int len) 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; int tmp;
/* /*
@ -250,7 +252,9 @@ EXPORT_SYMBOL(cache_clear);
void cache_push (unsigned long paddr, int len) 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; int tmp = PAGE_SIZE;
/* /*