From 3ca41166d7d8fa36b58735ce5e36354279795f78 Mon Sep 17 00:00:00 2001 From: Urja Rannikko Date: Sat, 7 Nov 2015 15:43:06 +0200 Subject: [PATCH] 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 Reviewed-on: http://review.coreboot.org/12336 Tested-by: build bot (Jenkins) Tested-by: Raptor Engineering Automated Test Stand Reviewed-by: Jonathan A. Kollasch --- src/cpu/amd/model_fxx/fidvid.c | 3 +++ 1 file changed, 3 insertions(+) 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 */