[ARM] 5412/1: XSCALE: add ice dcc support

SCALE: add ice dcc support

Tested on the ixp425 with the ice PEEDI

Ack-by: Eric Miao <eric.miao@marvell.com>

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 77d61423..d1b678d 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -27,6 +27,12 @@
 		.macro	writeb, ch, rb
 		mcr	p14, 0, \ch, c0, c5, 0
 		.endm
+#elif defined(CONFIG_CPU_XSCALE)
+		.macro	loadsp, rb
+		.endm
+		.macro	writeb, ch, rb
+		mcr	p14, 0, \ch, c8, c0, 0
+		.endm
 #else
 		.macro	loadsp, rb
 		.endm