diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/amd/amdmct/mct/mct_d.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/northbridge/amd/amdmct/mct/mct_d.c b/src/northbridge/amd/amdmct/mct/mct_d.c index 7c7550d10b..bf832dad81 100644 --- a/src/northbridge/amd/amdmct/mct/mct_d.c +++ b/src/northbridge/amd/amdmct/mct/mct_d.c @@ -1,6 +1,7 @@ /* * This file is part of the coreboot project. * + * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering * Copyright (C) 2007-2008 Advanced Micro Devices, Inc. * * This program is free software; you can redistribute it and/or modify @@ -749,7 +750,12 @@ static void DCTMemClr_Sync_D(struct MCTStatStruc *pMCTstat, } while (!(val & (1 << Dr_MemClrStatus))); } - val = 0x0FE40FC0; // BKDG recommended + /* Implement BKDG Rev 3.62 recommendations */ + val = 0x0FE40F80; + if (!(mctGetLogicalCPUID(0) & AMD_FAM10_LT_D) && mctGet_NVbits(NV_Unganged)) + val |= (0x18 << 2); + else + val |= (0x10 << 2); val |= MCCH_FlushWrOnStpGnt; // Set for S3 Set_NB32(dev, 0x11C, val); } |