diff options
Diffstat (limited to 'src/northbridge/amd/amdht')
| -rw-r--r-- | src/northbridge/amd/amdht/h3ncmn.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdht/h3ncmn.c b/src/northbridge/amd/amdht/h3ncmn.c index 01c0e48d0c..8ee929d12e 100644 --- a/src/northbridge/amd/amdht/h3ncmn.c +++ b/src/northbridge/amd/amdht/h3ncmn.c @@ -103,6 +103,28 @@ static inline uint8_t is_fam15h(void) return fam15h; } +static inline uint8_t is_gt_rev_d(void) +{ + uint8_t fam15h = 0; + uint8_t rev_gte_d = 0; + uint32_t family; + uint32_t model; + + family = model = cpuid_eax(0x80000001); + model = ((model & 0xf0000) >> 12) | ((model & 0xf0) >> 4); + family = ((family & 0xf00000) >> 16) | ((family & 0xf00) >> 8); + + if (family >= 0x6f) + /* Family 15h or later */ + fam15h = 1; + + if ((model >= 0x8) || fam15h) + /* Revision D or later */ + rev_gte_d = 1; + + return rev_gte_d; +} + /***************************************************************************//** * * SBDFO |