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fix reboot broken 

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1881 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Yinghai Lu 2005-01-17 23:47:55 +00:00
parent 1f1085b433
commit 328852d243
1 changed files with 4 additions and 2 deletions
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6
src/cpu/amd/mtrr/amd_earlymtrr.c
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@ -16,11 +16,12 @@ static void do_amd_early_mtrr_init(const unsigned long *mtrr_msrs)
msr_t msr;
const unsigned long *msr_addr;
unsigned long cr0;
#if 0
/* Enable the access to AMD RdDram and WrDram extension bits */
msr = rdmsr(SYSCFG_MSR);
msr.lo |= SYSCFG_MSR_MtrrFixDramModEn;
wrmsr(SYSCFG_MSR, msr);
#endif
/* Inialize all of the relevant msrs to 0 */
msr.lo = 0;
@ -29,11 +30,12 @@ static void do_amd_early_mtrr_init(const unsigned long *mtrr_msrs)
for(msr_addr = mtrr_msrs; (msr_nr = *msr_addr); msr_addr++) {
wrmsr(msr_nr, msr);
}
#if 0
/* Disable the access to AMD RdDram and WrDram extension bits */
msr = rdmsr(SYSCFG_MSR);
msr.lo &= ~SYSCFG_MSR_MtrrFixDramModEn;
wrmsr(SYSCFG_MSR, msr);
#endif
/* Enable memory access for 0 - 1MB using top_mem */
msr.hi = 0;