From: Bernd Schmidt <bernd.schmidt@analog.com>
Date: Tue, 24 Jul 2007 10:17:15 +0000 (+0800)
Subject: Blackfin arch: Load P0 before storing through it
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f1b927dc851a2eb1e13a8d21aca18036f6cb8629;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

Blackfin arch: Load P0 before storing through it

Fortunately this function is only used on old 533 revisions.

Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
---

diff --git a/arch/blackfin/mach-common/cacheinit.S b/arch/blackfin/mach-common/cacheinit.S
index 9d47562..5be6b97 100644
--- a/arch/blackfin/mach-common/cacheinit.S
+++ b/arch/blackfin/mach-common/cacheinit.S
@@ -60,6 +60,9 @@ ENDPROC(_bfin_write_IMEM_CONTROL)
 
 #if defined(CONFIG_BLKFIN_DCACHE)
 ENTRY(_bfin_write_DMEM_CONTROL)
+	P0.l = (DMEM_CONTROL & 0xFFFF);
+	P0.h = (DMEM_CONTROL >> 16);
+
 	CLI R1;
 	SSYNC;		/* SSYNC required before writing to DMEM_CONTROL. */
 	.align 8;