esd WUH405 and DU405 board updated

[u-boot] / cpu / mpc824x / start.S

diff --git a/cpu/mpc824x/start.S b/cpu/mpc824x/start.S
index a22137ceb61078aaf45c1b792314f7964fa640c8..9ff052c3b0ea2f5457e49d36a291b8b70fc02f97 100644 (file)
--- a/cpu/mpc824x/start.S
+++ b/cpu/mpc824x/start.S
@@ -526,11 +526,26 @@ relocate_code:
        stwu    r0,-4(r7)
        bdnz    3b
 
+4:
+#if !defined(CONFIG_BMW)
+/* Unlock the data cache and invalidate locked area */
+       xor     r0, r0, r0
+       mtspr   1011, r0
+       lis     r4, CFG_INIT_RAM_ADDR@h
+       ori     r4, r4, CFG_INIT_RAM_ADDR@l
+       li      r0, 128
+       mtctr   r0
+41:
+       dcbi    r0, r4
+       addi    r4, r4, 32
+       bdnz    41b
+#endif
+
 /*
  * Now flush the cache: note that we must start from a cache aligned
  * address. Otherwise we might miss one cache line.
  */
-4:     cmpwi   r6,0
+       cmpwi   r6,0
        add     r5,r3,r5
        beq     7f              /* Always flush prefetch queue in any case */
        subi    r0,r6,1