diff options
Diffstat (limited to 'src/southbridge/intel/i82801dx/smi.c')
| -rw-r--r-- | src/southbridge/intel/i82801dx/smi.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/src/southbridge/intel/i82801dx/smi.c b/src/southbridge/intel/i82801dx/smi.c index b977e32cd2..7dfed9d946 100644 --- a/src/southbridge/intel/i82801dx/smi.c +++ b/src/southbridge/intel/i82801dx/smi.c @@ -26,8 +26,10 @@ #include <string.h> #include "i82801dx.h" -/* I945 */ -#define SMRAM 0x90 + +void northbridge_write_smram(u8 smram); + +/* For intel/e7505. */ #define D_OPEN (1 << 6) #define D_CLS (1 << 5) #define D_LCK (1 << 4) @@ -317,18 +319,10 @@ static void smm_relocate(void) static void smm_install(void) { - /* enable the SMM memory window */ - pci_write_config8(pcidev_on_root(0, 0), SMRAM, - D_OPEN | G_SMRAME | C_BASE_SEG); - /* copy the real SMM handler */ memcpy((void *)0xa0000, _binary_smm_start, _binary_smm_end - _binary_smm_start); wbinvd(); - - /* close the SMM memory window and enable normal SMM */ - pci_write_config8(pcidev_on_root(0, 0), SMRAM, - G_SMRAME | C_BASE_SEG); } void smm_init(void) @@ -348,15 +342,14 @@ void smm_init_completion(void) restore_default_smm_area(default_smm_area); } -void smm_lock(void) +void aseg_smm_lock(void) { /* LOCK the SMM memory window and enable normal SMM. * After running this function, only a full reset can * make the SMM registers writable again. */ printk(BIOS_DEBUG, "Locking SMM.\n"); - pci_write_config8(pcidev_on_root(0, 0), SMRAM, - D_LCK | G_SMRAME | C_BASE_SEG); + northbridge_write_smram(D_LCK | G_SMRAME | C_BASE_SEG); } void smm_setup_structures(void *gnvs, void *tcg, void *smi1) |