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| author | Urja Rannikko <urjaman@gmail.com> | 2015-11-07 15:43:06 +0200 |
|---|---|---|
| committer | Jonathan A. Kollasch <jakllsch@kollasch.net> | 2015-11-15 18:23:57 +0100 |
| commit | 3ca41166d7d8fa36b58735ce5e36354279795f78 (patch) | |
| tree | 696e815fe9acd1acdfc9dcad588042734a2e9c27 /src/cpu | |
| parent | 9597790571ce8d0e86921c3c7d1011fec8ce8a50 (diff) | |
amd/model_fxx: Check FID&VID Support for the BSP (too)
Tested: Avoids crash with Sempron 2800+ on K8V-X.
Change-Id: I76196176635bb0f6ac284c8cb3b72212774fdfe4
Signed-off-by: Urja Rannikko <urjaman@gmail.com>
Reviewed-on: http://review.coreboot.org/12336
Tested-by: build bot (Jenkins)
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Reviewed-by: Jonathan A. Kollasch <jakllsch@kollasch.net>
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 */ |