diff options
| author | Xavi Drudis Ferran <xdrudis@tinet.cat> | 2011-02-28 02:33:59 +0000 |
|---|---|---|
| committer | Marc Jones <marc.jones@amd.com> | 2011-02-28 02:33:59 +0000 |
| commit | e485aa496b2230226abf2255837b9e1d422e9b42 (patch) | |
| tree | 1991d76df98dd21f6b559084b6b665860ae8ef6d /src | |
| parent | 6fcc961fe846aca897480bb637142d50914a4ea7 (diff) | |
Improving BKDG implementation of P-states,
CPU and northbridge frequency and voltage
handling for Fam 10 in SVI mode.
Contemplate the possibility of nbCofVidUpdate not being
defined, trying to get closer to BKDG
Signed-off-by: Xavi Drudis Ferran <xdrudis@tinet.cat>
Acked-by: Marc Jones <marcj303@gmail.com>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6399 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src')
| -rw-r--r-- | src/cpu/amd/model_10xxx/fidvid.c | 6 | ||||
| -rw-r--r-- | src/northbridge/amd/amdht/AsPsDefs.h | 2 | ||||
| -rw-r--r-- | src/northbridge/amd/amdmct/amddefs.h | 1 |
3 files changed, 8 insertions, 1 deletions
diff --git a/src/cpu/amd/model_10xxx/fidvid.c b/src/cpu/amd/model_10xxx/fidvid.c index ea10269c0c..13416f7bc2 100644 --- a/src/cpu/amd/model_10xxx/fidvid.c +++ b/src/cpu/amd/model_10xxx/fidvid.c @@ -631,7 +631,11 @@ static u32 needs_NB_COF_VID_update(void) nodes = get_nodes(); nb_cof_vid_update = 0; for (i = 0; i < nodes; i++) { - if (pci_read_config32(NODE_PCI(i, 3), 0x1FC) & 1) { + u32 cpuRev = mctGetLogicalCPUID(i) ; + u32 nbCofVidUpdateDefined = (cpuRev & (AMD_FAM10_LT_D)); + if (nbCofVidUpdateDefined + && (pci_read_config32(NODE_PCI(i, 3), 0x1FC) + & NB_COF_VID_UPDATE_MASK)) { nb_cof_vid_update = 1; break; } diff --git a/src/northbridge/amd/amdht/AsPsDefs.h b/src/northbridge/amd/amdht/AsPsDefs.h index 3907208290..0f6db9fc75 100644 --- a/src/northbridge/amd/amdht/AsPsDefs.h +++ b/src/northbridge/amd/amdht/AsPsDefs.h @@ -229,6 +229,8 @@ /* F3x1F0 Product Information Register */ #define NB_PSTATE_MASK 0x00070000 /* NbPstate for CPU rev C3 */ +/* F3x1FC Product Information Register */ +#define NB_COF_VID_UPDATE_MASK 1 /* for CPU rev <= C */ #define NM_PS_REG 5 /* number of P-state MSR registers */ diff --git a/src/northbridge/amd/amdmct/amddefs.h b/src/northbridge/amd/amdmct/amddefs.h index 0e7319bb25..92490975ff 100644 --- a/src/northbridge/amd/amdmct/amddefs.h +++ b/src/northbridge/amd/amdmct/amddefs.h @@ -63,6 +63,7 @@ #define AMD_DR_GT_B0 (AMD_DR_ALL & ~(AMD_DR_B0)) #define AMD_DR_ALL (AMD_DR_Bx) #define AMD_FAM10_ALL (AMD_DR_ALL | AMD_RB_C2 | AMD_HY_D0 | AMD_DA_C3 | AMD_DA_C2 | AMD_RB_C3 ) +#define AMD_FAM10_LT_D (AMD_FAM10_ALL & ~(AMD_HY_D0)) #define AMD_FAM10_GT_B0 (AMD_FAM10_ALL & ~(AMD_DR_B0)) #define AMD_DA_Cx (AMD_DA_C2 | AMD_DA_C3) #define AMD_DR_Cx (AMD_RB_C2 | AMD_RB_C3 | AMD_DA_Cx) |