From: Stefan Roese <sr@denx.de>
Date: Wed, 22 Nov 2006 12:20:50 +0000 (+0100)
Subject: [PATCH] PPC4xx start.S: Fix for processor errata
X-Git-Tag: U-Boot-1_2_0~33^2
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=2053283304eeddf250d109e6791eb6fa4cad14f7;p=oweals%2Fu-boot.git

[PATCH] PPC4xx start.S: Fix for processor errata

Fixed cpu/ppc4xx/start.S for 440EPx Errata: further corrects PPC440EPx
errata 1.12: 440_33 by moving patch up in code.

Signed-off-by: Jeff Mann <mannj@embeddedplanet.com>
Signed-off-by: Stefan Roese <sr@denx.de>
---

diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 3fe13daaf3..8e000d3092 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -204,6 +204,18 @@ _start_440:
 	mfspr	r1,mcsr
 	mtspr	mcsr,r1
 #endif
+
+	/*----------------------------------------------------------------*/
+	/* CCR0 init */
+	/*----------------------------------------------------------------*/
+	/* Disable store gathering & broadcast, guarantee inst/data
+	* cache block touch, force load/store alignment
+	* (see errata 1.12: 440_33)
+	*/
+	lis	r1,0x0030	/* store gathering & broadcast disable */
+	ori	r1,r1,0x6000	/* cache touch */
+	mtspr	ccr0,r1
+
 	/*----------------------------------------------------------------*/
 	/* Initialize debug */
 	/*----------------------------------------------------------------*/
@@ -225,17 +237,6 @@ _start_440:
 	mtspr	dbsr,r1		/* Clear all valid bits */
 skip_debug_init:
 
-	/*----------------------------------------------------------------*/
-	/* CCR0 init */
-	/*----------------------------------------------------------------*/
-	/* Disable store gathering & broadcast, guarantee inst/data
-	* cache block touch, force load/store alignment
-	* (see errata 1.12: 440_33)
-	*/
-	lis	r1,0x0030	/* store gathering & broadcast disable */
-	ori	r1,r1,0x6000	/* cache touch */
-	mtspr	ccr0,r1
-
 #if defined (CONFIG_440SPE)
 	/*----------------------------------------------------------------+
 	| Initialize Core Configuration Reg1.