[coreboot-gerrit] New patch to review for coreboot: 80013e6 remove unused code in src/cpu/amd/agesa/cache_as_ram.inc

[Siyuan Wang (wangsiyuanbuaa@gmail.com)]

Siyuan Wang (wangsiyuanbuaa at gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3852

-gerrit

commit 80013e6fd2f1532fa151f106afbc67772dbe4cb5
Author: Siyuan Wang <wangsiyuanbuaa at gmail.com>
Date:   Fri Aug 9 18:18:30 2013 +0800

    remove unused code in src/cpu/amd/agesa/cache_as_ram.inc
    
    'invd' in disable_cache_as_ram could result to boot failure
    on AMD Olive Hill.
    This patch has tested on Parmer and Olive Hill.
    
    Change-Id: Ibe9e4105eee032471ccbb2d537471d5fa5847d22
    Signed-off-by: Bruce Griffith <bruce.griffith at se-eng.com>
    Signed-off-by: Siyuan Wang <SiYuan.Wang at amd.com>
    Signed-off-by: Siyuan Wang <wangsiyuanbuaa at gmail.com>
---
 src/cpu/amd/agesa/cache_as_ram.inc | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/src/cpu/amd/agesa/cache_as_ram.inc b/src/cpu/amd/agesa/cache_as_ram.inc
index c645a1e..3537c38 100755
--- a/src/cpu/amd/agesa/cache_as_ram.inc
+++ b/src/cpu/amd/agesa/cache_as_ram.inc
@@ -87,21 +87,8 @@ disable_cache_as_ram:
   /* Save return stack */
   movd %esp, %xmm0
 
-  /* Disable cache */
-  movl	%cr0, %eax
-  orl	$CR0_CacheDisable, %eax
-  movl	%eax, %cr0
-
-  invd
-
   AMD_DISABLE_STACK
 
-  /* enable cache */
-  movl %cr0, %eax
-  andl $0x9fffffff, %eax
-  movl %eax, %cr0
-  xorl %eax, %eax
-
   /* Restore the return stack */
   movd %xmm0, %esp
   ret