summaryrefslogtreecommitdiff
path: root/src/cpu/intel
diff options
context:
space:
mode:
Diffstat (limited to 'src/cpu/intel')
-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
4 files changed, 154 insertions, 51 deletions
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)