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-rw-r--r--arch/powerpc/cpu/mpc83xx/start.S8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc83xx/start.S b/arch/powerpc/cpu/mpc83xx/start.S
index 515be4c..460ac9a 100644
--- a/arch/powerpc/cpu/mpc83xx/start.S
+++ b/arch/powerpc/cpu/mpc83xx/start.S
@@ -1158,6 +1158,10 @@ map_flash_by_law1:
bne 1b
stw r4, LBLAWAR1(r3) /* LBLAWAR1 <= 8MB Flash Size */
+ /* Wait for HW to catch up */
+ lwz r4, LBLAWAR1(r3)
+ twi 0,r4,0
+ isync
blr
/* Though all the LBIU Local Access Windows and LBC Banks will be
@@ -1196,5 +1200,9 @@ remap_flash_by_law0:
xor r4, r4, r4
stw r4, LBLAWBAR1(r3)
stw r4, LBLAWAR1(r3) /* Off LBIU LAW1 */
+ /* Wait for HW to catch up */
+ lwz r4, LBLAWAR1(r3)
+ twi 0,r4,0
+ isync
blr
#endif /* CONFIG_SYS_FLASHBOOT */