/* * 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 02110-1301 USA */ static void Get_ChannelPS_Cfg0_D( u8 MAAdimms, u8 Speed, u8 MAAload, u8 DATAAload, u32 *AddrTmgCTL, u32 *ODC_CTL, u32 *CMDmode); void mctGet_PS_Cfg_D(struct MCTStatStruc *pMCTstat, struct DCTStatStruc *pDCTstat, u32 dct) 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]), &pDCTstat->_2Tmode); // print_tx("1 CH_ODC_CTL: ", pDCTstat->CH_ODC_CTL[dct]); // print_tx("1 CH_ADDR_TMG: ", pDCTstat->CH_ADDR_TMG[dct]); if(pDCTstat->MAdimms[dct] == 1) pDCTstat->CH_ODC_CTL[dct] |= 0x20000000; /* 75ohms */ else pDCTstat->CH_ODC_CTL[dct] |= 0x10000000; /* 150ohms */ /* * Overrides and/or workarounds */ pDCTstat->CH_ODC_CTL[dct] = procOdtWorkaround(pDCTstat, dct, pDCTstat->CH_ODC_CTL[dct]); print_tx("4 CH_ODC_CTL: ", pDCTstat->CH_ODC_CTL[dct]); print_tx("4 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) * #2, BYTE, number of Address bus loads on the Channel. * These must be listed in ascending order. * FFh (-1) 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 */ static const u8 Table_ATC_ODC_D_Bx[] = { 1, 0xFF, 0x00, 0x2F, 0x2F, 0x0, 0x22, 0x13, 0x11, 0x0 2, 12, 0x00, 0x2F, 0x2F, 0x0, 0x22, 0x13, 0x11, 0x0 2, 16, 0x00, 0x2F, 0x00, 0x0, 0x22, 0x13, 0x11, 0x0 2, 20, 0x00, 0x2F, 0x38, 0x0, 0x22, 0x13, 0x11, 0x0 2, 24, 0x00, 0x2F, 0x37, 0x0, 0x22, 0x13, 0x11, 0x0 2, 32, 0x00, 0x2F, 0x34, 0x0, 0x22, 0x13, 0x11, 0x0 3, 12, 0x20, 0x22, 0x20, 0x0, 0x22, 0x13, 0x11, 0x0 3, 16, 0x20, 0x22, 0x30, 0x0, 0x22, 0x13, 0x11, 0x0 3, 20, 0x20, 0x22, 0x2C, 0x0, 0x22, 0x13, 0x11, 0x0 3, 24, 0x20, 0x22, 0x2A, 0x0, 0x22, 0x13, 0x11, 0x0 3, 32, 0x20, 0x22, 0x2B, 0x0, 0x22, 0x13, 0x11, 0x0 4, 0xFF, 0x20, 0x25, 0x20, 0x0, 0x22, 0x33, 0x11, 0x0 5, 0xFF, 0x20, 0x20, 0x2F, 0x0, 0x22, 0x32, 0x11, 0x0 0FFh static const u8 Table_ATC_ODC_D_Ax[] = { 1, 0xFF, 0x00, 0x2F, 0x2F, 0x0, 0x22, 0x13, 0x11, 0x0 2, 12, 0x00, 0x2F, 0x2F, 0x0, 0x22, 0x13, 0x11, 0x0 2, 16, 0x00, 0x2F, 0x00, 0x0, 0x22, 0x13, 0x11, 0x0 2, 20, 0x00, 0x2F, 0x38, 0x0, 0x22, 0x13, 0x11, 0x0 2, 24, 0x00, 0x2F, 0x37, 0x0, 0x22, 0x13, 0x11, 0x0 2, 32, 0x00, 0x2F, 0x34, 0x0, 0x22, 0x13, 0x11, 0x0 3, 12, 0x20, 0x22, 0x20, 0x0, 0x22, 0x13, 0x11, 0x0 3, 16, 0x20, 0x22, 0x30, 0x0, 0x22, 0x13, 0x11, 0x0 3, 20, 0x20, 0x22, 0x2C, 0x0, 0x22, 0x13, 0x11, 0x0 3, 24, 0x20, 0x22, 0x2A, 0x0, 0x22, 0x13, 0x11, 0x0 3, 32, 0x20, 0x22, 0x2B, 0x0, 0x22, 0x13, 0x11, 0x0 4, 0xFF, 0x20, 0x25, 0x20, 0x0, 0x22, 0x33, 0x11, 0x0 5, 0xFF, 0x20, 0x20, 0x2F, 0x0, 0x22, 0x32, 0x11, 0x0 0xFF }; static void Get_ChannelPS_Cfg0_D( u8 MAAdimms, u8 Speed, u8 MAAload, u8 DATAAload, u32 *AddrTmgCTL, u32 *ODC_CTL, u32 *CMDmode); { u8 *p; *AddrTmgCTL = 0; *ODC_CTL = 0; *CMDmode = 1; // FIXME: add Ax support if(MAAdimms == 0) { *ODC_CTL = 0x00111222; if(Speed == 3) *AddrTmgCTL = 0x00202220; else if (Speed == 2) *AddrTmgCTL = 0x002F2F00; else if (Speed == 1) *AddrTmgCTL = 0x002F2F00; else if (Speed == 4) *AddrTmgCTL = 0x00202520; else if (Speed == 4) *AddrTmgCTL = 0x002F2020; else *AddrTmgCTL = 0x002F2F2F; } else if(MAAdimms == 1) { if(Speed == 4) { *CMDmode = 2; *AddrTmgCTL = 0x00202520; *ODC_CTL = 0x00113222; } else if(Speed == 4) { *CMDmode = 2; *AddrTmgCTL = 0x002F2020; *ODC_CTL = 0x00113222; } else { *CMDmode = 1; *ODC_CTL = 0x00111222; if(Speed == 3) { *AddrTmgCTL = 0x00202220; } else if(Speed == 2) { if (MAAload == 4) *AddrTmgCTL = 0x002B2F00; else if (MAAload == 16) *AddrTmgCTL = 0x002B2F00; else if (MAAload == 8) *AddrTmgCTL = 0x002F2F00; else *AddrTmgCTL = 0x002F2F00; } else if(Speed == 1) { *AddrTmgCTL = 0x002F2F00; } else if(Speed == 5) { *AddrTmgCTL = 0x002F2020; } else { *AddrTmgCTL = 0x002F2F2F; } } } else { *CMDmode = 2; p = Table_ATC_ODC_D_Bx; do { if(Speed == *p) { if(MAAload <= *(p+1)) { *AddrTmgCTL = stream_to_int(p+2); *ODC_CTL = stream_to_int(p+6); break; } } p+=10; } while (0xFF == *p); }