diff options
| author | David Hendricks <dhendrix@chromium.org> | 2013-03-29 13:40:09 -0700 |
|---|---|---|
| committer | David Hendricks <dhendrix@chromium.org> | 2013-03-29 22:40:08 +0100 |
| commit | 58779358362ef0c9ed433c310416a93c8b9c9211 (patch) | |
| tree | afaf81e98b850354ef1ababf4064c00041e0d08f /src | |
| parent | 26e8f2fe0125cc6e7727d024bf4bfbd6231c8b27 (diff) | |
armv7: remove loop from dcache_mmu_disable()
dcache_mmu_disable() no longer needs to have its own iterative loop
to select each cache level of cache since
dcache_clean_invalidate_all() does that now.
Change-Id: I5ca273f98943981b943c1c1622f4574d7133fb50
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2967
Reviewed-by: Gabe Black <gabe.black@gmail.com>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/armv7/lib/cache.c | 32 |
1 files changed, 2 insertions, 30 deletions
diff --git a/src/arch/armv7/lib/cache.c b/src/arch/armv7/lib/cache.c index c7283f14cf..04eaa88c7c 100644 --- a/src/arch/armv7/lib/cache.c +++ b/src/arch/armv7/lib/cache.c @@ -237,37 +237,9 @@ void dcache_clean_invalidate_by_mva(unsigned long addr, unsigned long len) void dcache_mmu_disable(void) { - uint32_t sctlr, clidr; - int level; - - clidr = read_clidr(); - for (level = 0; level < 7; level++) { - unsigned int ctype = (clidr >> (level * 3)) & 0x7; - uint32_t csselr; - - switch(ctype) { - case 0x0: - /* no cache */ - break; - case 0x2: - case 0x4: - /* dcache only or unified cache */ - csselr = level << 1; - write_csselr(csselr); - dcache_clean_invalidate_all(); - break; - case 0x3: - /* separate icache and dcache */ - csselr = level << 1; - write_csselr(csselr); - dcache_clean_invalidate_all(); - break; - default: - /* reserved */ - break; - } - } + uint32_t sctlr; + dcache_clean_invalidate_all(); sctlr = read_sctlr(); sctlr &= ~(SCTLR_C | SCTLR_M); write_sctlr(sctlr); |