From: York Sun Date: Fri, 5 Apr 2013 13:07:13 +0000 (+0000) Subject: powerpc/mpc85xx: Clear L1 D-cache lock X-Git-Tag: v2013.07-rc1~54^2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a71d45d706a5b51c348160163b6c159632273fed;p=kernel%2Fu-boot.git 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 Signed-off-by: Andy Fleming --- 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