From: Larry Johnson <lrj@arlinx.com>
Date: Thu, 10 Jan 2008 04:10:27 +0000 (-0500)
Subject: ppc4xx: Fix dflush() to restore DVLIM register
X-Git-Tag: v2025.01-rc5-pxa1908~22626^2~30^2~5
X-Git-Url: http://git.dujemihanovic.xyz/img/sics.gif?a=commitdiff_plain;h=6d8184b00c0d1d7090e4a2f514e310d98a394f8d;p=u-boot.git

ppc4xx: Fix dflush() to restore DVLIM register

Signed-off-by: Larry Johnson <lrj@acm.org>
---

diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index a730604367..77c2aa4117 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -1700,6 +1700,7 @@ trap_reloc:
 	rlwinm	r8,r9,0,15,13
 	rlwinm	r8,r8,0,17,15
 	mtmsr	r8
+	mfspr	r8,dvlim
 	addi	r3,r0,0x0000
 	mtspr	dvlim,r3
 	mfspr	r3,ivpr
@@ -1714,6 +1715,7 @@ trap_reloc:
 ..ag:	dcbf	r0,r3
 	addi	r3,r3,-32
 	bdnz	..ag
+	mtspr	dvlim,r8
 	sync
 	mtmsr	r9
 	blr