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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
parent5bb9fd6e4dae32f86a07676228034d3828820037 (diff)
downloadcoreboot-7b0500c24ca103e8f8d802b476517afc2ac8eef5.tar.xz
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')
-rw-r--r--src/cpu/amd/car/cache_as_ram.inc22
-rw-r--r--src/cpu/intel/car/cache_as_ram.inc22
-rw-r--r--src/cpu/intel/model_106cx/cache_as_ram.inc61
-rw-r--r--src/cpu/intel/model_6ex/cache_as_ram.inc61
-rw-r--r--src/cpu/intel/model_6fx/cache_as_ram.inc61
-rw-r--r--src/cpu/via/car/cache_as_ram.inc27
6 files changed, 190 insertions, 64 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
diff --git a/src/cpu/intel/car/cache_as_ram.inc b/src/cpu/intel/car/cache_as_ram.inc
index e228f4c4a0..99c159977e 100644
--- a/src/cpu/intel/car/cache_as_ram.inc
+++ b/src/cpu/intel/car/cache_as_ram.inc
@@ -21,7 +21,6 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <cpu/x86/car.h>
#include <cpu/x86/stack.h>
#include <cpu/x86/mtrr.h>
#include <cpu/x86/lapic_def.h>
@@ -29,7 +28,8 @@
#define CacheSize CONFIG_DCACHE_RAM_SIZE
#define CacheBase (0xd0000 - CacheSize)
- save_bist_result()
+ /* Save the BIST result. */
+ movl %eax, %ebp
CacheAsRam:
/* Check whether the processor has HT capability. */
@@ -257,7 +257,10 @@ clear_fixed_var_mtrr_out:
wrmsr
#endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */
- enable_cache()
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $(~((1 << 30) | (1 << 29))), %eax
+ movl %eax, %cr0
/* Read the range with lodsl. */
movl $CacheBase, %esi
@@ -318,7 +321,8 @@ clear_fixed_var_mtrr_out:
movl $(CacheBase + CacheSize - 4), %eax
movl %eax, %esp
lout:
- restore_bist_result()
+ /* Restore the BIST result. */
+ movl %ebp, %eax
/* We need to set EBP? No need. */
movl %esp, %ebp
@@ -327,7 +331,10 @@ lout:
/* We don't need CAR from now on. */
- disable_cache()
+ /* Disable cache. */
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
/* Clear sth. */
movl $MTRRfix4K_C8000_MSR, %ecx
@@ -349,7 +356,10 @@ lout:
movl $0x00000800, %eax /* Enable variable and disable fixed MTRRs. */
wrmsr
- enable_cache();
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $(~((1 << 30) | (1 << 29))), %eax
+ movl %eax, %cr0
/* Clear boot_complete flag. */
xorl %ebp, %ebp
diff --git a/src/cpu/intel/model_106cx/cache_as_ram.inc b/src/cpu/intel/model_106cx/cache_as_ram.inc
index 9b7cad0cf9..d7dba8bf1b 100644
--- a/src/cpu/intel/model_106cx/cache_as_ram.inc
+++ b/src/cpu/intel/model_106cx/cache_as_ram.inc
@@ -18,14 +18,14 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <cpu/x86/car.h>
#include <cpu/x86/stack.h>
#include <cpu/x86/mtrr.h>
#define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE
#define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE
- save_bist_result()
+ /* Save the BIST result. */
+ movl %eax, %ebp
cache_as_ram:
post_code(0x20)
@@ -66,12 +66,19 @@ clear_mtrrs:
xorl %edx, %edx
wrmsr
- enable_mtrr()
+ /* Enable MTRR. */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ orl $(1 << 11), %eax
+ wrmsr
- enable_l2_cache()
+ /* Enable L2 cache. */
+ movl $0x11e, %ecx
+ rdmsr
+ orl $(1 << 8), %eax
+ wrmsr
/* Enable cache (CR0.CD = 0, CR0.NW = 0). */
- /* TODO: enable_cache()? But that doesn't have "invd". */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
invd
@@ -86,7 +93,9 @@ clear_mtrrs:
rep stosl
/* Enable Cache-as-RAM mode by disabling cache. */
- disable_cache()
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
#if defined(CONFIG_XIP_ROM_SIZE) && defined(CONFIG_XIP_ROM_BASE)
/* Enable cache for our code in Flash because we do XIP here */
@@ -112,7 +121,10 @@ clear_mtrrs:
wrmsr
#endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */
- enable_cache()
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $(~((1 << 30) | (1 << 29))), %eax
+ movl %eax, %cr0
/* Set up the stack pointer. */
#if defined(CONFIG_USBDEBUG) && (CONFIG_USBDEBUG == 1)
@@ -123,8 +135,8 @@ clear_mtrrs:
#endif
movl %eax, %esp
- restore_bist_result()
-
+ /* Restore the BIST result. */
+ movl %ebp, %eax
movl %esp, %ebp
pushl %eax
@@ -137,11 +149,18 @@ clear_mtrrs:
post_code(0x30)
- disable_cache()
+ /* Disable cache. */
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
post_code(0x31)
- disable_mtrr()
+ /* Disable MTRR. */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ andl $(~(1 << 11)), %eax
+ wrmsr
post_code(0x31)
@@ -161,11 +180,17 @@ clear_mtrrs:
post_code(0x33)
- enable_cache()
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $~((1 << 30) | (1 << 29)), %eax
+ movl %eax, %cr0
post_code(0x36)
- disable_cache()
+ /* Disable cache. */
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
post_code(0x38)
@@ -182,11 +207,17 @@ clear_mtrrs:
post_code(0x39)
/* And enable cache again after setting MTRRs. */
- enable_cache()
+ movl %cr0, %eax
+ andl $~((1 << 30) | (1 << 29)), %eax
+ movl %eax, %cr0
post_code(0x3a)
- enable_mtrr()
+ /* Enable MTRR. */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ orl $(1 << 11), %eax
+ wrmsr
post_code(0x3b)
diff --git a/src/cpu/intel/model_6ex/cache_as_ram.inc b/src/cpu/intel/model_6ex/cache_as_ram.inc
index acd0427c51..b077ff9a48 100644
--- a/src/cpu/intel/model_6ex/cache_as_ram.inc
+++ b/src/cpu/intel/model_6ex/cache_as_ram.inc
@@ -18,14 +18,14 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <cpu/x86/car.h>
#include <cpu/x86/stack.h>
#include <cpu/x86/mtrr.h>
#define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE
#define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE
- save_bist_result()
+ /* Save the BIST result. */
+ movl %eax, %ebp
cache_as_ram:
post_code(0x20)
@@ -66,12 +66,19 @@ clear_mtrrs:
movl $0x0000000f, %edx
wrmsr
- enable_mtrr()
+ /* Enable MTRR. */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ orl $(1 << 11), %eax
+ wrmsr
- enable_l2_cache()
+ /* Enable L2 cache. */
+ movl $0x11e, %ecx
+ rdmsr
+ orl $(1 << 8), %eax
+ wrmsr
/* Enable cache (CR0.CD = 0, CR0.NW = 0). */
- /* TODO: enable_cache()? But that doesn't have "invd". */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
invd
@@ -86,7 +93,9 @@ clear_mtrrs:
rep stosl
/* Enable Cache-as-RAM mode by disabling cache. */
- disable_cache()
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
#if defined(CONFIG_XIP_ROM_SIZE) && defined(CONFIG_XIP_ROM_BASE)
/* Enable cache for our code in Flash because we do XIP here */
@@ -112,7 +121,10 @@ clear_mtrrs:
wrmsr
#endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */
- enable_cache()
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $(~((1 << 30) | (1 << 29))), %eax
+ movl %eax, %cr0
/* Set up the stack pointer. */
#if defined(CONFIG_USBDEBUG) && (CONFIG_USBDEBUG == 1)
@@ -123,8 +135,8 @@ clear_mtrrs:
#endif
movl %eax, %esp
- restore_bist_result()
-
+ /* Restore the BIST result. */
+ movl %ebp, %eax
movl %esp, %ebp
pushl %eax
@@ -137,11 +149,18 @@ clear_mtrrs:
post_code(0x30)
- disable_cache()
+ /* Disable cache. */
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
post_code(0x31)
- disable_mtrr()
+ /* Disable MTRR. */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ andl $(~(1 << 11)), %eax
+ wrmsr
post_code(0x31)
@@ -161,11 +180,17 @@ clear_mtrrs:
post_code(0x33)
- enable_cache()
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $~((1 << 30) | (1 << 29)), %eax
+ movl %eax, %cr0
post_code(0x36)
- disable_cache()
+ /* Disable cache. */
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
post_code(0x38)
@@ -182,11 +207,17 @@ clear_mtrrs:
post_code(0x39)
/* And enable cache again after setting MTRRs. */
- enable_cache()
+ movl %cr0, %eax
+ andl $~((1 << 30) | (1 << 29)), %eax
+ movl %eax, %cr0
post_code(0x3a)
- enable_mtrr()
+ /* Enable MTRR. */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ orl $(1 << 11), %eax
+ wrmsr
post_code(0x3b)
diff --git a/src/cpu/intel/model_6fx/cache_as_ram.inc b/src/cpu/intel/model_6fx/cache_as_ram.inc
index c270e44330..3737429325 100644
--- a/src/cpu/intel/model_6fx/cache_as_ram.inc
+++ b/src/cpu/intel/model_6fx/cache_as_ram.inc
@@ -18,14 +18,14 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <cpu/x86/car.h>
#include <cpu/x86/stack.h>
#include <cpu/x86/mtrr.h>
#define CACHE_AS_RAM_SIZE CONFIG_DCACHE_RAM_SIZE
#define CACHE_AS_RAM_BASE CONFIG_DCACHE_RAM_BASE
- save_bist_result()
+ /* Save the BIST result. */
+ movl %eax, %ebp
cache_as_ram:
post_code(0x20)
@@ -73,12 +73,19 @@ clear_mtrrs:
movl $0x0000000f, %edx
wrmsr
- enable_mtrr()
+ /* Enable MTRR. */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ orl $(1 << 11), %eax
+ wrmsr
- enable_l2_cache()
+ /* Enable L2 cache. */
+ movl $0x11e, %ecx
+ rdmsr
+ orl $(1 << 8), %eax
+ wrmsr
/* Enable cache (CR0.CD = 0, CR0.NW = 0). */
- /* TODO: enable_cache()? But that doesn't have "invd". */
movl %cr0, %eax
andl $(~((1 << 30) | (1 << 29))), %eax
invd
@@ -93,7 +100,9 @@ clear_mtrrs:
rep stosl
/* Enable Cache-as-RAM mode by disabling cache. */
- disable_cache()
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
#if defined(CONFIG_XIP_ROM_SIZE) && defined(CONFIG_XIP_ROM_BASE)
/* Enable cache for our code in Flash because we do XIP here */
@@ -119,7 +128,10 @@ clear_mtrrs:
wrmsr
#endif /* CONFIG_XIP_ROM_SIZE && CONFIG_XIP_ROM_BASE */
- enable_cache()
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $(~((1 << 30) | (1 << 29))), %eax
+ movl %eax, %cr0
/* Set up the stack pointer. */
#if defined(CONFIG_USBDEBUG) && (CONFIG_USBDEBUG == 1)
@@ -130,8 +142,8 @@ clear_mtrrs:
#endif
movl %eax, %esp
- restore_bist_result()
-
+ /* Restore the BIST result. */
+ movl %ebp, %eax
movl %esp, %ebp
pushl %eax
@@ -144,11 +156,18 @@ clear_mtrrs:
post_code(0x30)
- disable_cache()
+ /* Disable cache. */
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
post_code(0x31)
- disable_mtrr()
+ /* Disable MTRR. */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ andl $(~(1 << 11)), %eax
+ wrmsr
post_code(0x31)
@@ -168,11 +187,17 @@ clear_mtrrs:
post_code(0x33)
- enable_cache()
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $~((1 << 30) | (1 << 29)), %eax
+ movl %eax, %cr0
post_code(0x36)
- disable_cache()
+ /* Disable cache. */
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
post_code(0x38)
@@ -189,11 +214,17 @@ clear_mtrrs:
post_code(0x39)
/* And enable cache again after setting MTRRs. */
- enable_cache()
+ movl %cr0, %eax
+ andl $~((1 << 30) | (1 << 29)), %eax
+ movl %eax, %cr0
post_code(0x3a)
- enable_mtrr()
+ /* Enable MTRR. */
+ movl $MTRRdefType_MSR, %ecx
+ rdmsr
+ orl $(1 << 11), %eax
+ wrmsr
post_code(0x3b)
diff --git a/src/cpu/via/car/cache_as_ram.inc b/src/cpu/via/car/cache_as_ram.inc
index c3c1cb7664..fcd6c45e5f 100644
--- a/src/cpu/via/car/cache_as_ram.inc
+++ b/src/cpu/via/car/cache_as_ram.inc
@@ -25,18 +25,21 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include <cpu/x86/car.h>
#include <cpu/x86/stack.h>
#include <cpu/x86/mtrr.h>
#define CacheSize CONFIG_DCACHE_RAM_SIZE
#define CacheBase CONFIG_DCACHE_RAM_BASE
- save_bist_result()
+ /* Save the BIST result. */
+ movl %eax, %ebp
CacheAsRam:
- disable_cache()
+ /* Disable cache. */
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
invd
/* Set the default memory type and enable fixed and variable MTRRs. */
@@ -139,7 +142,10 @@ clear_fixed_var_mtrr_out:
movl $(MTRRdefTypeEn), %eax
wrmsr
- enable_cache()
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $(~((1 << 30) | (1 << 29))), %eax
+ movl %eax, %cr0
/* Read the range with lodsl. */
cld
@@ -195,7 +201,8 @@ testok:
jne stackerr
#endif
- restore_bist_result()
+ /* Restore the BIST result. */
+ movl %ebp, %eax
/* We need to set EBP? No need. */
movl %esp, %ebp
@@ -210,7 +217,10 @@ testok:
/* We don't need CAR from now on. */
- disable_cache()
+ /* Disable cache. */
+ movl %cr0, %eax
+ orl $(1 << 30), %eax
+ movl %eax, %cr0
/* Set the default memory type and enable variable MTRRs. */
/* TODO: Or also enable fixed MTRRs? Bug in the code? */
@@ -242,7 +252,10 @@ testok:
movl $(~(CONFIG_XIP_ROM_SIZE - 1) | MTRRphysMaskValid), %eax
wrmsr
- enable_cache()
+ /* Enable cache. */
+ movl %cr0, %eax
+ andl $(~((1 << 30) | (1 << 29))), %eax
+ movl %eax, %cr0
invd
/* Clear boot_complete flag. */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-12 18:57:22 +0000