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| author | Bernd Schmidt <bernd.schmidt@analog.com> | 2007-07-24 18:17:15 +0800 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@analog.com> | 2007-07-24 18:17:15 +0800 |
| commit | f1b927dc851a2eb1e13a8d21aca18036f6cb8629 (patch) | |
| tree | fd4ee060866ae7473bca57497c282459470dcc5d /arch | |
| parent | 64c5cb8608a8b393bfc80214e4593738b60638c5 (diff) | |
| download | linux-f1b927dc851a2eb1e13a8d21aca18036f6cb8629.tar.gz linux-f1b927dc851a2eb1e13a8d21aca18036f6cb8629.tar.bz2 linux-f1b927dc851a2eb1e13a8d21aca18036f6cb8629.zip | |
Blackfin arch: Load P0 before storing through it
Fortunately this function is only used on old 533 revisions.
Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/blackfin/mach-common/cacheinit.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/blackfin/mach-common/cacheinit.S b/arch/blackfin/mach-common/cacheinit.S index 9d475623b724..5be6b975ae4a 100644 --- a/arch/blackfin/mach-common/cacheinit.S +++ b/arch/blackfin/mach-common/cacheinit.S @@ -60,6 +60,9 @@ ENDPROC(_bfin_write_IMEM_CONTROL) #if defined(CONFIG_BLKFIN_DCACHE) ENTRY(_bfin_write_DMEM_CONTROL) + P0.l = (DMEM_CONTROL & 0xFFFF); + P0.h = (DMEM_CONTROL >> 16); + CLI R1; SSYNC; /* SSYNC required before writing to DMEM_CONTROL. */ .align 8; |