powerpc/mpc85xx: Clear L1 D-cache lock · a71d45d706 - Gogs

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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>

York Sun %!s(int64=12) %!d(string=hai) anos

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arch/powerpc/cpu/mpc85xx/start.S
							 
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				@@ -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