diff options
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/amd/car/post_cache_as_ram.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/cpu/amd/car/post_cache_as_ram.c b/src/cpu/amd/car/post_cache_as_ram.c index 2c11777449..fb09cd41dd 100644 --- a/src/cpu/amd/car/post_cache_as_ram.c +++ b/src/cpu/amd/car/post_cache_as_ram.c @@ -79,18 +79,18 @@ static void prepare_ramstage_region(void *resume_backup_memory) print_car_debug(" Done\n"); } -/* Disable Erratum 343 Workaround, see RevGuide for Fam10h, Pub#41322 Rev 3.33 */ +/* Disable Erratum 343 Workaround, see RevGuide for Fam10h, Pub#41322 Rev 3.33 + * and RevGuide for Fam12h, Pub#44739 Rev 3.10 + */ static void vErrata343(void) { -#ifdef BU_CFG2_MSR msr_t msr; unsigned int uiMask = 0xFFFFFFF7; msr = rdmsr(BU_CFG2_MSR); msr.hi &= uiMask; // IcDisSpecTlbWr (bit 35) = 0 wrmsr(BU_CFG2_MSR, msr); -#endif } void post_cache_as_ram(void) @@ -121,8 +121,8 @@ void post_cache_as_ram(void) prepare_romstage_ramstack(resume_backup_memory); /* from here don't store more data in CAR */ - if (family < 0x6f) { - /* Family 10h or earlier */ + if (family >= 0x1f && family <= 0x3f) { + /* Family 10h and 12h, 11h until shown otherwise */ vErrata343(); } |