diff options
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/amd/model_fxx/fidvid.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cpu/amd/model_fxx/fidvid.c b/src/cpu/amd/model_fxx/fidvid.c index 9851e6511e..03415d1b89 100644 --- a/src/cpu/amd/model_fxx/fidvid.c +++ b/src/cpu/amd/model_fxx/fidvid.c @@ -535,6 +535,9 @@ static void init_fidvid_bsp(unsigned bsp_apicid) unsigned i; #endif + if ((cpuid_edx(0x80000007) & 0x06) != 0x06) + return; /* FID/VID change not supported */ + msr_t msr; msr = rdmsr(0xc0010042); fid_max = ((msr.lo >> 16) & 0x3f); /* max fid */ |