diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
index c156ddab9a2d8814af060b0d8c3295767e8a6945..016690b9d5648c3e8b717a235358bc22e996f1d8 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
 
 /*