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| author | Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> | 2011-11-04 14:38:08 +0200 |
|---|---|---|
| committer | Thomas Chou <thomas@wytron.com.tw> | 2012-02-23 07:53:03 +0800 |
| commit | 8875833a86e567c0ca4258353116294089d24625 (patch) | |
| tree | 086934c550126a648bc2d2c90a8ff8bf731f60bf /arch/nios2/lib/cache.S | |
| parent | 2acca35ce4604dcef933f07d90aa9c9c930e1049 (diff) | |
| download | blackbird-obmc-uboot-8875833a86e567c0ca4258353116294089d24625.tar.gz blackbird-obmc-uboot-8875833a86e567c0ca4258353116294089d24625.zip | |
nios2: add flush_dcache_range function
exposes functionality to flush dcache according to
the common.h API
Signed-off-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Cc: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Diffstat (limited to 'arch/nios2/lib/cache.S')
| -rw-r--r-- | arch/nios2/lib/cache.S | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/nios2/lib/cache.S b/arch/nios2/lib/cache.S index ee3b4b79bf..b952d0c901 100644 --- a/arch/nios2/lib/cache.S +++ b/arch/nios2/lib/cache.S @@ -48,6 +48,16 @@ flush_icache: bltu r4, r5, 1b ret + .global flush_dcache_range + +flush_dcache_range: + movhi r8, %hi(CONFIG_SYS_DCACHELINE_SIZE) + ori r8, r8, %lo(CONFIG_SYS_DCACHELINE_SIZE) +0: flushd 0(r4) + add r4, r4, r8 + bltu r4, r5, 0b + ret + .global flush_cache flush_cache: |
