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more fix for vsm, not working yet

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git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2237 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Li-Ta Lo
2006-04-06 20:19:04 +00:00
parent 8854d30d6e
commit 5917c62749
4 changed files with 51 additions and 15 deletions
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26
src/cpu/amd/model_gx2/cpubug.c
View File

@ -32,7 +32,8 @@ bug573(void){
#endif
static void
pcideadlock(void){
pcideadlock(void)
{
msr_t msr;
msr = rdmsr(CPU_DM_CONFIG0);
@ -41,13 +42,11 @@ pcideadlock(void){
msr.lo |= DM_CONFIG0_LOWER_MISSER_SET;
wrmsr(CPU_DM_CONFIG0, msr);
msr = rdmsr(CPU_IM_CONFIG);
msr.lo |= IM_CONFIG_LOWER_QWT_SET; /* interlock instruction fetches to WS regions with data accesses.
* This prevents in instruction fetch from going out to PCI if the
* data side is about to make a request.
*/
* This prevents in instruction fetch from going out to PCI if the
* data side is about to make a request.
*/
wrmsr(CPU_IM_CONFIG, msr);
/* write serialize memory hole to PCI. Need to to unWS when something is shadowed regardless of cachablility.*/
@ -72,13 +71,14 @@ pcideadlock(void){
/***/
/****************************************************************************/
void bug784(void){
void bug784(void)
{
msr_t msr;
// static char *name = "Geode by NSC";
//static char *name = "Geode by NSC";
/* we'll do this the stupid way, for now, but that's the string they want. NO ONE KNOWS why you
* would do this -- the OS can figure this type of stuff out!
*/
* would do this -- the OS can figure this type of stuff out!
*/
msr = rdmsr(0x3006);
msr.hi = 0x646f6547;
wrmsr(0x3006, msr);
@ -91,7 +91,7 @@ void bug784(void){
msr = rdmsr(0x3002);
wrmsr(0x3008, msr);
/* More CPUID to match AMD better. #792*/
/* More CPUID to match AMD better. #792*/
msr = rdmsr(0x3009);
msr.hi = 0x0C0C0A13D;
msr.lo = 0x00000000;
@ -99,8 +99,8 @@ void bug784(void){
}
/* cpubug 1398: enable MC if we KNOW we have DDR*/
void
eng1398(void){
void eng1398(void)
{
msr_t msr;
msr = rdmsr(MSR_GLCP+0x17);

7
src/cpu/amd/model_gx2/vsmsetup.c
View File

@ -199,7 +199,9 @@ static void real_mode_switch_call_vsm(unsigned long smm, unsigned long sysm)
//" mov %ax, %gs \n"
" mov $0x40, %ax \n"
" mov %ax, %ds \n"
" mov %cx, %ax \n"
//" mov %cx, %ax \n"
" movl $0x10000026, %ecx \n"
" movl $0x10000028, %edx \n"
/* run VGA BIOS at 0x6000:0020 */
" lcall $0x6000, $0x0020\n"
@ -275,6 +277,9 @@ void do_vsmbios(void)
memcpy((void *) 0x60000, buf, size);
for (i = 0; i < 0x800000; i++)
outb(0xaa, 0x80);
/* ecx gets smm, edx gets sysm */
printk_err("Call real_mode_switch_call_vsm\n");
real_mode_switch_call_vsm(0x10000026, 0x10000028);