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| author | Tom Rini <trini@konsulko.com> | 2015-05-05 18:57:23 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2015-05-05 18:57:23 (GMT) |
| commit | d81572c272d4b0980fb9b8a02e1357090b002398 (patch) | |
| tree | 4b2f774d628ab51944f0ba1ff83c15ef6b082a0f /arch/powerpc/cpu/ppc4xx/cache.S | |
| parent | 1131d4e22cf8f13d0dabaad7f1b84d9baffdfbd6 (diff) | |
| parent | 8b0044ff5942943eaa49935f49d5006b346a60f8 (diff) | |
| download | u-boot-d81572c272d4b0980fb9b8a02e1357090b002398.tar.xz | |
Merge git://git.denx.de/u-boot-mpc85xx
Diffstat (limited to 'arch/powerpc/cpu/ppc4xx/cache.S')
| -rw-r--r-- | arch/powerpc/cpu/ppc4xx/cache.S | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/arch/powerpc/cpu/ppc4xx/cache.S b/arch/powerpc/cpu/ppc4xx/cache.S index 2714c2f..93e8366 100644 --- a/arch/powerpc/cpu/ppc4xx/cache.S +++ b/arch/powerpc/cpu/ppc4xx/cache.S @@ -74,49 +74,6 @@ _GLOBAL(clean_dcache_range) blr /* - * Write any modified data cache blocks out to memory and invalidate them. - * Does not invalidate the corresponding instruction cache blocks. - * - * flush_dcache_range(unsigned long start, unsigned long stop) - */ -_GLOBAL(flush_dcache_range) - li r5,L1_CACHE_BYTES-1 - andc r3,r3,r5 - subf r4,r3,r4 - add r4,r4,r5 - srwi. r4,r4,L1_CACHE_SHIFT - beqlr - mtctr r4 - -1: dcbf 0,r3 - addi r3,r3,L1_CACHE_BYTES - bdnz 1b - sync /* wait for dcbst's to get to ram */ - blr - -/* - * Like above, but invalidate the D-cache. This is used by the 8xx - * to invalidate the cache so the PPC core doesn't get stale data - * from the CPM (no cache snooping here :-). - * - * invalidate_dcache_range(unsigned long start, unsigned long stop) - */ -_GLOBAL(invalidate_dcache_range) - li r5,L1_CACHE_BYTES-1 - andc r3,r3,r5 - subf r4,r3,r4 - add r4,r4,r5 - srwi. r4,r4,L1_CACHE_SHIFT - beqlr - mtctr r4 - -1: dcbi 0,r3 - addi r3,r3,L1_CACHE_BYTES - bdnz 1b - sync /* wait for dcbi's to get to ram */ - blr - -/* * 40x cores have 8K or 16K dcache and 32 byte line size. * 44x has a 32K dcache and 32 byte line size. * 8xx has 1, 2, 4, 8K variants. |