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| author | York Sun <yorksun@freescale.com> | 2013-04-05 13:07:13 +0000 |
|---|---|---|
| committer | Andy Fleming <afleming@freescale.com> | 2013-05-24 16:54:14 -0500 |
| commit | a71d45d706a5b51c348160163b6c159632273fed (patch) | |
| tree | 00dadb437027b36bf73e0b3d30ae1851e4529cc5 | |
| parent | 39bdaff4f4dd75b578c9e1fe372e8d56e7d51526 (diff) | |
| download | u-boot-imx-a71d45d706a5b51c348160163b6c159632273fed.zip u-boot-imx-a71d45d706a5b51c348160163b6c159632273fed.tar.gz u-boot-imx-a71d45d706a5b51c348160163b6c159632273fed.tar.bz2 | |
powerpc/mpc85xx: Clear L1 D-cache lock
dcbi instruction has been used to clear D-cache lock. However, the cache
lock is persistent for e6500 core. Use dcblc to clear the lock explicitly.
Signed-off-by: York Sun <yorksun@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/start.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/start.S b/arch/powerpc/cpu/mpc85xx/start.S index e413e4a..4f0480b 100644 --- a/arch/powerpc/cpu/mpc85xx/start.S +++ b/arch/powerpc/cpu/mpc85xx/start.S @@ -1906,6 +1906,7 @@ unlock_ram_in_cache: slwi r4,r4,(10 - 1 - L1_CACHE_SHIFT) mtctr r4 1: dcbi r0,r3 + dcblc r0,r3 addi r3,r3,CONFIG_SYS_CACHELINE_SIZE bdnz 1b sync |