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>

1 files changed, 13 insertions, 0 deletions

diff --git a/arch/sh/include/mach-kfr2r09/mach/romimage.h b/arch/sh/include/mach-kfr2r09/mach/romimage.h
index f5aa8e16770..39ee7944356 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: