From: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Date: Thu, 13 Dec 2007 08:31:34 +0000 (+0100)
Subject: [ARM] 4710/1: Fix coprocessor 14 usage for debug messages via ICEDCC
X-Git-Tag: firefly_0821_release~24002^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=41a9e680717e82c745b1ead979ea008e9134ea68;p=firefly-linux-kernel-4.4.55.git

[ARM] 4710/1: Fix coprocessor 14 usage for debug messages via ICEDCC

According to ARM7TDMI Technical Reference Manual (ARM DDI 0210C) writing
to the DCC data write register coproc dest registers are 1 and 0, not 0
and 1.

ARM920T TRM (ARM DDI 0151C) agrees on that.

Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.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 b9b03eda70e5..5cac46a19bb7 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -31,7 +31,7 @@
 		.macro	loadsp, rb
 		.endm
 		.macro	writeb, ch, rb
-		mcr	p14, 0, \ch, c0, c1, 0
+		mcr	p14, 0, \ch, c1, c0, 0
 		.endm
 #endif