diff options
Diffstat (limited to 'src/northbridge/amd/amdmct/mct_ddr3/mctprob.c')
-rw-r--r-- | src/northbridge/amd/amdmct/mct_ddr3/mctprob.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctprob.c b/src/northbridge/amd/amdmct/mct_ddr3/mctprob.c new file mode 100644 index 0000000000..cfd4adfa6f --- /dev/null +++ b/src/northbridge/amd/amdmct/mct_ddr3/mctprob.c @@ -0,0 +1,37 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2010 Advanced Micro Devices, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +void mct_BeforeDQSTrainSamp(struct DCTStatStruc *pDCTstat) +{ + u32 val; + + if (pDCTstat->LogicalCPUID & AMD_DR_Bx) { + Set_NB32(pDCTstat->dev_dct, 0x98, 0x0D004007); + val = Get_NB32(pDCTstat->dev_dct, 0x9C); + val |= 0x3FF; + Set_NB32(pDCTstat->dev_dct, 0x9C, val); + Set_NB32(pDCTstat->dev_dct, 0x98, 0x4D0F4F07); + + Set_NB32(pDCTstat->dev_dct, 0x198, 0x0D004007); + val = Get_NB32(pDCTstat->dev_dct, 0x19C); + val |= 0x3FF; + Set_NB32(pDCTstat->dev_dct, 0x19C, val); + Set_NB32(pDCTstat->dev_dct, 0x198, 0x4D0F4F07); + } +} |