diff options
Diffstat (limited to 'src/northbridge/amd/amdmct/mct_ddr3/mctardk5.c')
| -rw-r--r-- | src/northbridge/amd/amdmct/mct_ddr3/mctardk5.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctardk5.c b/src/northbridge/amd/amdmct/mct_ddr3/mctardk5.c new file mode 100644 index 0000000000..72502c0c16 --- /dev/null +++ b/src/northbridge/amd/amdmct/mct_ddr3/mctardk5.c @@ -0,0 +1,87 @@ +/* + * 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 + */ + +static void Get_ChannelPS_Cfg0_D(u8 MAAdimms, u8 Speed, u8 MAAload, + u32 *AddrTmgCTL, u32 *ODC_CTL, + u8 *CMDmode); + +void mctGet_PS_Cfg_D(struct MCTStatStruc *pMCTstat, + struct DCTStatStruc *pDCTstat, u32 dct) +{ + Get_ChannelPS_Cfg0_D(pDCTstat->MAdimms[dct], pDCTstat->Speed, + pDCTstat->MAload[dct], + &(pDCTstat->CH_ADDR_TMG[dct]), &(pDCTstat->CH_ODC_CTL[dct]), + &pDCTstat->_2Tmode); + + pDCTstat->CH_EccDQSLike[0] = 0x0403; + pDCTstat->CH_EccDQSScale[0] = 0x70; + pDCTstat->CH_EccDQSLike[1] = 0x0403; + pDCTstat->CH_EccDQSScale[1] = 0x70; + + pDCTstat->CH_ODC_CTL[dct] |= 0x20000000; /* 60ohms */ +} + +/* + * In: MAAdimms - number of DIMMs on the channel + * : Speed - Speed (see DCTStatstruc.Speed for definition) + * : MAAload - number of address bus loads on the channel + * Out: AddrTmgCTL - Address Timing Control Register Value + * : ODC_CTL - Output Driver Compensation Control Register Value + * : CMDmode - CMD mode + */ +static void Get_ChannelPS_Cfg0_D( u8 MAAdimms, u8 Speed, u8 MAAload, + u32 *AddrTmgCTL, u32 *ODC_CTL, + u8 *CMDmode) +{ + *AddrTmgCTL = 0; + *ODC_CTL = 0; + *CMDmode = 1; + + if(MAAdimms == 1) { + if(MAAload >= 16) { + if(Speed == 4) + *AddrTmgCTL = 0x003B0000; + else if (Speed == 5) + *AddrTmgCTL = 0x00380000; + else if (Speed == 6) + *AddrTmgCTL = 0x00360000; + else + *AddrTmgCTL = 0x00340000; + } else { + *AddrTmgCTL = 0x00000000; + } + *ODC_CTL = 0x00113222; + *CMDmode = 1; + } else /* if(MAAdimms == 0) */ { + if(Speed == 4) { + *CMDmode = 1; + *AddrTmgCTL = 0x00390039; + } else if(Speed == 5) { + *CMDmode = 1; + *AddrTmgCTL = 0x00350037; + } else if(Speed == 6) { + *CMDmode = 2; + *AddrTmgCTL = 0x00000035; + } else { + *CMDmode = 2; + *AddrTmgCTL = 0x00000033; + } + *ODC_CTL = 0x00223323; + } +} |