diff options
| author | Jonathan A. Kollasch <jakllsch@kollasch.net> | 2015-11-24 10:15:22 -0600 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-11-26 23:17:08 +0100 |
| commit | 20d9fb46926c7152c4bcb9546bd1ab5d6e261ca8 (patch) | |
| tree | 2e669ee130dc13aeadedcdeaa79e651ee8f2c170 /src/cpu | |
| parent | 905507c3790829e8a6352d857bbad446e6c1c4e6 (diff) | |
amd/car: don't apply Fam10h/Fam12h Errata 343 fix to Fam0Fh
Fixes early fault problem on Fam0Fh introduced in
Change I8e01a4ab68b463efe02c27f589e0b4b719532eb5,
commit 991f18475c951dcd728eb8550b10dd62938b1770.
Change-Id: Id215d2822b78917939c28f7a922a94e02e5d15bf
Signed-off-by: Jonathan A. Kollasch <jakllsch@kollasch.net>
Reviewed-on: https://review.coreboot.org/12528
Tested-by: build bot (Jenkins)
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
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(); } |