From: Magnus Damm <damm@igel.co.jp>
Date: Thu, 20 Aug 2009 13:59:26 +0000 (+0000)
Subject: sh: jump to p1 during boot on kfr2r09
X-Git-Tag: firefly_0821_release~12920^2~35^2~24
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=673b74be85bff420cccdc529d8247dbf486e175d;p=firefly-linux-kernel-4.4.55.git

sh: jump to p1 during boot on kfr2r09

Add a P1 jump to the the kfr2r09 romimage code. With this
patch applied the initial zImage assembly code will run
with instruction cache enabled.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

diff --git a/arch/sh/include/mach-kfr2r09/mach/romimage.h b/arch/sh/include/mach-kfr2r09/mach/romimage.h
index f5aa8e16770c..39ee79443569 100644
--- a/arch/sh/include/mach-kfr2r09/mach/romimage.h
+++ b/arch/sh/include/mach-kfr2r09/mach/romimage.h
@@ -73,3 +73,16 @@
 .endm
 
 #include "partner-jet-setup.txt"
+
+	/* execute icbi after enabling cache */
+	mov.l	1f, r0
+	icbi	@r0
+
+	/* jump to cached area */
+	mova	2f, r0
+	jmp	@r0
+	 nop
+
+	.align 2
+1:	.long 0xa8000000
+2: