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authorStefan Reinauer <stepan@coresystems.de>2011-01-19 06:54:42 +0000
committerStefan Reinauer <stepan@openbios.org>2011-01-19 06:54:42 +0000
commit7b0500c24ca103e8f8d802b476517afc2ac8eef5 (patch)
tree9288cd7a3ea130d50e151455ea9c72bf07fd29a2 /src/cpu/amd
parent5bb9fd6e4dae32f86a07676228034d3828820037 (diff)
Revert r5902 to make code more readable again. At least three people like to
have this go away again. Signed-off-by: Stefan Reinauer <stepan@coresystems.de> Acked-by: Rudolf Marek <r.marek@assembler.cz> Acked-by: Kevin O'Connor <kevin@koconnor.net> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6273 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/cpu/amd')
-rw-r--r--src/cpu/amd/car/cache_as_ram.inc22
1 files changed, 16 insertions, 6 deletions
diff --git a/src/cpu/amd/car/cache_as_ram.inc b/src/cpu/amd/car/cache_as_ram.inc
index 0bea56dbbf..7f66f363ef 100644
--- a/src/cpu/amd/car/cache_as_ram.inc
+++ b/src/cpu/amd/car/cache_as_ram.inc
@@ -18,7 +18,6 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <cpu/x86/car.h>
#include <cpu/x86/mtrr.h>
#include <cpu/amd/mtrr.h>
@@ -46,7 +45,8 @@
* xmm3: Backup EBX
*/
- save_bist_result()
+ /* Save the BIST result. */
+ movl %eax, %ebp
/*
* For normal part %ebx already contain cpu_init_detected
@@ -56,7 +56,10 @@
cache_as_ram_setup:
post_code(0xa0)
- enable_sse()
+ /* Enable SSE. */
+ movl %cr4, %eax
+ orl $(3 << 9), %eax
+ movl %eax, %cr4
/* Figure out the CPU family. */
cvtsi2sd %ebx, %xmm3
@@ -321,7 +324,10 @@ wbcache_post_fam10_setup:
post_code(0xa1)
- enable_cache()
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $(~((1 << 30) | (1 << 29))), %eax
+ movl %eax, %cr0
jmp_if_k8(fam10_end_part1)
@@ -403,9 +409,13 @@ CAR_FAM10_ap_out:
post_code(0xa5)
- disable_sse()
+ /* Disable SSE. */
+ movl %cr4, %eax
+ andl $~(3 << 9), %eax
+ movl %eax, %cr4
- restore_bist_result()
+ /* Restore the BIST result. */
+ movl %ebp, %eax
/* We need to set EBP? No need. */
movl %esp, %ebp