diff options
Diffstat (limited to 'src/northbridge/amd/amdmct/mct/mctardk3.c')
-rw-r--r-- | src/northbridge/amd/amdmct/mct/mctardk3.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/src/northbridge/amd/amdmct/mct/mctardk3.c b/src/northbridge/amd/amdmct/mct/mctardk3.c new file mode 100644 index 0000000000..7300a99aaf --- /dev/null +++ b/src/northbridge/amd/amdmct/mct/mctardk3.c @@ -0,0 +1,206 @@ +/* + * This file is part of the LinuxBIOS project. + * + * Copyright (C) 2007 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 021100xFF301 USA + */ + + +static void Get_ChannelPS_Cfg0_D( u8 MAAdimms, u8 Speed, u8 MAAload, + u8 DATAAload, u32 *AddrTmgCTL, u32 *ODC_CTL); + + +void mctGet_PS_Cfg_D(struct MCTStatStruc *pMCTstat, + struct DCTStatStruc *pDCTstat, u32 dct) +{ + u16 val, valx; + + print_tx("dct: ", dct); + print_tx("Speed: ", pDCTstat->Speed); + + Get_ChannelPS_Cfg0_D(pDCTstat->MAdimms[dct], pDCTstat->Speed, + pDCTstat->MAload[dct], pDCTstat->DATAload[dct], + &(pDCTstat->CH_ADDR_TMG[dct]), &(pDCTstat->CH_ODC_CTL[dct])); + + + if(pDCTstat->MAdimms[dct] == 1) + pDCTstat->CH_ODC_CTL[dct] |= 0x20000000; /* 75ohms */ + else + pDCTstat->CH_ODC_CTL[dct] |= 0x10000000; /* 150ohms */ + + pDCTstat->_2Tmode = 1; + + /* use byte lane 4 delay for ECC lane */ + pDCTstat->CH_EccDQSLike[0] = 0x0504; + pDCTstat->CH_EccDQSScale[0] = 0; /* 100% byte lane 4 */ + pDCTstat->CH_EccDQSLike[1] = 0x0504; + pDCTstat->CH_EccDQSScale[1] = 0; /* 100% byte lane 4 */ + + + /* + Overrides and/or exceptions + */ + + /* 1) QRx4 needs to adjust CS/ODT setup time */ + // FIXME: Add Ax support? + if (mctGet_NVbits(NV_MAX_DIMMS) == 4) { + if (pDCTstat->DimmQRPresent != 0) { + pDCTstat->CH_ADDR_TMG[dct] &= 0xFF00FFFF; + pDCTstat->CH_ADDR_TMG[dct] |= 0x00000000; + if (pDCTstat->MAdimms[dct] == 4) { + pDCTstat->CH_ADDR_TMG[dct] &= 0xFF00FFFF; + pDCTstat->CH_ADDR_TMG[dct] |= 0x002F0000; + if (pDCTstat->Speed == 3 || pDCTstat->Speed == 4) { + pDCTstat->CH_ADDR_TMG[dct] &= 0xFF00FFFF; + pDCTstat->CH_ADDR_TMG[dct] |= 0x00002F00; + if (pDCTstat->MAdimms[dct] == 4) + pDCTstat->CH_ODC_CTL[dct] = 0x00331222; + } + } + } + } + + + /* 2) DRx4 (R/C-J) @ DDR667 needs to adjust CS/ODT setup time */ + if (pDCTstat->Speed == 3 || pDCTstat->Speed == 4) { + val = pDCTstat->Dimmx4Present; + if (dct == 0) { + val &= 0x55; + } else { + val &= 0xAA; + val >>= 1; + } + val &= pDCTstat->DIMMValid; + if (val) { + //FIXME: skip for Ax + valx = pDCTstat->DimmDRPresent; + if (dct == 0) { + valx &= 0x55; + } else { + valx &= 0xAA; + valx >>= 1; + } + if (mctGet_NVbits(NV_MAX_DIMMS) == 8) { + val &= valx; + if (val != 0) { + pDCTstat->CH_ADDR_TMG[dct] &= 0xFFFF00FF; + pDCTstat->CH_ADDR_TMG[dct] |= 0x00002F00; + } + } else { + val &= valx; + if (val != 0) { + if (pDCTstat->Speed == 3 || pDCTstat->Speed == 3) { + pDCTstat->CH_ADDR_TMG[dct] &= 0xFFFF00FF; + pDCTstat->CH_ADDR_TMG[dct] |= 0x00002F00; + } + } + + } + } + } + + + pDCTstat->CH_ODC_CTL[dct] = procOdtWorkaround(pDCTstat, dct, pDCTstat->CH_ODC_CTL[dct]); + + print_tx("CH_ODC_CTL: ", pDCTstat->CH_ODC_CTL[dct]); + print_tx("CH_ADDR_TMG: ", pDCTstat->CH_ADDR_TMG[dct]); + + +} + + +/*=============================================================================== + * Vendor is responsible for correct settings. + * M2/Unbuffered 4 Slot - AMD Design Guideline. + *=============================================================================== + * #1, BYTE, Speed (DCTStatstruc.Speed) (Secondary Key) + * #2, BYTE, number of Address bus loads on the Channel. (Tershery Key) + * These must be listed in ascending order. + * FFh (0xFE) has special meanying of 'any', and must be listed first for each speed grade. + * #3, DWORD, Address Timing Control Register Value + * #4, DWORD, Output Driver Compensation Control Register Value + * #5, BYTE, Number of DIMMs (Primary Key) + */ +static const u8 Table_ATC_ODC_8D_D[] = { + 0xFE, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x22, 0x12, 0x11, 0x00, 1, + 0xFE, 0xFF, 0x00, 0x00, 0x37, 0x00, 0x22, 0x12, 0x11, 0x00, 2, + 1, 0xFF, 0x00, 0x00, 0x2F, 0x00, 0x22, 0x12, 0x11, 0x00, 3, + 2, 0xFF, 0x00, 0x00, 0x2F, 0x00, 0x22, 0x12, 0x11, 0x00, 3, + 3, 0xFF, 0x2F, 0x00, 0x2F, 0x00, 0x22, 0x12, 0x11, 0x00, 3, + 4, 0xFF, 0x2F, 0x00, 0x2F, 0x00, 0x22, 0x12, 0x33, 0x00, 3, + 1, 0xFF, 0x00, 0x00, 0x2F, 0x00, 0x22, 0x12, 0x11, 0x00, 4, + 2, 0xFF, 0x00, 0x00, 0x2F, 0x00, 0x22, 0x12, 0x11, 0x00, 4, + 3, 0xFF, 0x2F, 0x00, 0x2F, 0x00, 0x22, 0x12, 0x33, 0x00, 4, + 4, 0xFF, 0x2F, 0x00, 0x2F, 0x00, 0x22, 0x12, 0x33, 0x00, 4, + 0xFF +}; + +static const u8 Table_ATC_ODC_4D_D[] = { + 0xFE, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x22, 0x12, 0x11, 0x00, 1, + 0xFE, 0xFF, 0x00, 0x00, 0x37, 0x00, 0x22, 0x12, 0x11, 0x00, 2, + 0xFE, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x22, 0x12, 0x11, 0x00, 3, + 0xFE, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x22, 0x12, 0x11, 0x00, 4, + 0xFF +}; + +static const u8 Table_ATC_ODC_8D_D_Ax[] = { + 1,0xff,0x00,0x00,0x2F,0x0,0x22,0x12,0x11,0x00, 0xFE, + 2,0xff,0x00,0x00,0x2C,0x0,0x22,0x12,0x11,0x00, 0xFE, + 3,0xff,0x00,0x00,0x2C,0x0,0x22,0x12,0x11,0x00, 0xFE, + 4,0xff,0x00,0x33,0x2F,0x0,0x22,0x12,0x11,0x00, 0xFE, + 0xFF +}; + +static const u8 Table_ATC_ODC_4D_D_Ax[] = { + 1,0xff,0x00,0x00,0x2F,0x00,0x22,0x12,0x11,0x00, 0xFE, + 2,0xff,0x00,0x2C,0x2C,0x00,0x22,0x12,0x11,0x00, 0xFE, + 3,0xff,0x00,0x00,0x2C,0x00,0x22,0x12,0x11,0x00, 0xFE, + 4,0xff,0x00,0x33,0x2F,0x00,0x22,0x12,0x11,0x00, 0xFE, + 0xFF +}; + + +static void Get_ChannelPS_Cfg0_D(u8 MAAdimms, u8 Speed, u8 MAAload, + u8 DATAAload, u32 *AddrTmgCTL, u32 *ODC_CTL) +{ + const u8 *p; + + *AddrTmgCTL = 0; + *ODC_CTL = 0; + + if(mctGet_NVbits(NV_MAX_DIMMS) == 8) { + /* 8 DIMM Table */ + p = Table_ATC_ODC_8D_D; + //FIXME Add Ax support + } else { + /* 4 DIMM Table*/ + p = Table_ATC_ODC_4D_D; + //FIXME Add Ax support + } + + while (*p != 0xFF) { + if ((MAAdimms == *(p+10)) || (*(p+10 ) == 0xFE)) { + if((*p == Speed) || (*p == 0xFE)) { + if(MAAload <= *(p+1)) { + *AddrTmgCTL = stream_to_int((u8*)(p+2)); + *ODC_CTL = stream_to_int((u8*)(p+6)); + break; + } + } + } + p+=11; + } +} + |