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-rw-r--r--arch/arm/mm/proc-xscale.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
index c156ddab9a2d..016690b9d564 100644
--- a/arch/arm/mm/proc-xscale.S
+++ b/arch/arm/mm/proc-xscale.S
@@ -114,6 +114,10 @@ clean_addr: .word CLEAN_ADDR
* Nothing too exciting at the moment
*/
ENTRY(cpu_xscale_proc_init)
+ @ enable write buffer coalescing. Some bootloader disable it
+ mrc p15, 0, r1, c1, c0, 1
+ bic r1, r1, #1
+ mcr p15, 0, r1, c1, c0, 1
mov pc, lr
/*