diff options
Diffstat (limited to 'src/mainboard/via/epia-m700/driving_clk_phase_data.c')
| -rw-r--r-- | src/mainboard/via/epia-m700/driving_clk_phase_data.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/mainboard/via/epia-m700/driving_clk_phase_data.c b/src/mainboard/via/epia-m700/driving_clk_phase_data.c new file mode 100644 index 0000000000..6309a0717d --- /dev/null +++ b/src/mainboard/via/epia-m700/driving_clk_phase_data.c @@ -0,0 +1,237 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2009 One Laptop per Child, Association, 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; either version 2 of the License, or + * (at your option) any later version. + * + * 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 + */ + +#include "northbridge/via/vx800/driving_clk_phase_data.h" + +// DQS Driving +// Reg0xE0, 0xE1 +// According to #Bank to set DRAM DQS Driving +// #Bank 1 2 3 4 5 6 7 8 +static const u8 DDR2_DQSA_Driving_Table[4] = { 0xEE, 0xEE, 0xEE, 0xEE }; +static const u8 DDR2_DQSB_Driving_Table[2] = { 0xEE, 0xEE }; + +// DQ Driving +// Reg0xE2, 0xE3 +// For DDR2: According to bank to set DRAM DQ Driving +static const u8 DDR2_DQA_Driving_Table[4] = { 0xAC, 0xAC, 0xAC, 0xAC }; +static const u8 DDR2_DQB_Driving_Table[2] = { 0xCA, 0xCA }; + +// CS Driving +// Reg0xE4, 0xE5 +// According to #Bank to set DRAM CS Driving +// DDR1 #Bank 1 2 3 4 5 6 7 8 +static const u8 DDR2_CSA_Driving_Table_x8[4] = { 0x44, 0x44, 0x44, 0x44 }; +static const u8 DDR2_CSB_Driving_Table_x8[2] = { 0x44, 0x44 }; +static const u8 DDR2_CSA_Driving_Table_x16[4] = { 0x44, 0x44, 0x44, 0x44 }; +static const u8 DDR2_CSB_Driving_Table_x16[2] = { 0x44, 0x44 }; + +// MAA Driving +// Reg0xE8, Reg0xE9 +static const u8 DDR2_MAA_Driving_Table[MA_Table][5] = { + // Chip number, 400, 533, 667 800 ;(SRAS, SCAS, SWE)RxE8 + {6, 0x86, 0x86, 0x86, 0x86}, // total MAA chips = 00 ~ 06 + {18, 0x86, 0x86, 0x86, 0x86}, // total MAA chips = 06 ~ 18 + {255, 0xDB, 0xDB, 0xDB, 0xDB}, // total MAA chips = 18 ~ +}; + +static const u8 DDR2_MAB_Driving_Table[MA_Table][2] = { + // Chip number, Value ;(SRAS, SCAS, SWE)RxE9 + {6, 0x86}, // total MAB chips = 00 ~ 06 + {18, 0x86}, // total MAB chips = 06 ~ 18 + {255, 0xDB}, // total MAB chips = 18 ~ +}; + +// DCLK Driving +// Reg0xE6, 0xE7 +// For DDR2: According to #Freq to set DRAM DCLK Driving +// freq 400M, 533M, 667M, 800M +static const u8 DDR2_DCLKA_Driving_Table[4] = { 0xFF, 0xFF, 0xFF, 0xFF }; +static const u8 DDR2_DCLKB_Driving_Table[4] = { 0xFF, 0xFF, 0xFF, 0xFF }; + +/* + * Duty cycle + * Duty cycle Control for DQ/DQS/DDRCKG in ChA & ChB + * D0F3RxEC/D0F3RxED/D0F3RxEE/D0F3RxEF + * According to DRAM frequency to control Duty Cycle + */ +static const u8 ChA_Duty_Control_DDR2[DUTY_CYCLE_REG_NUM][DUTY_CYCLE_FREQ_NUM] = { + // (And NOT) DDR800 DDR667 DDR533 DDR400 + //Reg Mask Value Value Value Value + {0xEC, 0x00, 0x30, 0x30, 0x30, 0x30}, // 1Rank + {0xEE, 0x0F, 0x40, 0x40, 0x00, 0x00}, + {0xEF, 0xCF, 0x00, 0x30, 0x30, 0x30}, +}; + +static const u8 ChB_Duty_Control_DDR2[DUTY_CYCLE_REG_NUM][DUTY_CYCLE_FREQ_NUM] = { + // (And NOT) DDR800 DDR667 DDR533 DDR400 + //Reg Mask Value Value Value Value + {0xED, 0x00, 0x88, 0x88, 0x84, 0x88}, // 1Rank + {0xEE, 0xF0, 0x00, 0x00, 0x00, 0x00}, + {0xEF, 0xFC, 0x00, 0x00, 0x00, 0x00}, +}; + +/* + * DRAM Clock Phase Control for FeedBack Mode + * Modify NB Reg: Rx90[7]/Rx91/Rx92/Rx93/Rx94 + * Processing: + * 1. Program VIA_NB3DRAM_REG90[7]=0b for FeedBack mode. + * 2. Program clock phase value with ChA/B DCLK enable, + * VIA_NB3DRAM_REG91[7:3]=00b + * 3. Check ChB rank #, if 0, VIA_NB3DRAM_REG91[7]=1b, to disable ChB DCLKO + * ChA DCLKO can't be disabled, so always program VIA_NB3DRAM_REG91[3]=0b. + */ +static const u8 DDR2_ChA_Clk_Phase_Table_1R[3][Clk_Phase_Table_DDR2_Width] = { + // (And NOT) DDR800 DDR667 DDR533 DDR400 + //Reg Mask Value Value Value Value + {0x91, 0xF8, 0x02, 0x01, 0x00, 0x07}, // 1Rank + {0x92, 0xF8, 0x04, 0x03, 0x03, 0x02}, + {0x93, 0xF8, 0x06, 0x05, 0x04, 0x03}, +}; + +static const u8 DDR2_ChB_Clk_Phase_Table_1R[3][Clk_Phase_Table_DDR2_Width] = { + // (And NOT) DDR800 DDR667 DDR533 DDR400 + //Reg Mask Value Value Value Value + {0x91, 0x0F, 0x20, 0x10, 0x00, 0x70}, // 1Rank + {0x92, 0x0F, 0x40, 0x30, 0x30, 0x20}, + {0x93, 0x0F, 0x60, 0x50, 0x40, 0x30}, +}; + +/* vt6413c */ +#if 0 +static const u8 DDR2_ChA_Clk_Phase_Table_2R[3][Clk_Phase_Table_DDR2_Width] = { + // (And NOT) DDR800 DDR667 DDR533 DDR400 + //Reg Mask Value Value Value Value + {0x91, 0xF8, 0x04, 0x03, 0x04, 0x01 }, // 1Rank + {0x92, 0xF8, 0x03, 0x06, 0x05, 0x04 }, + {0x93, 0xF8, 0x03, 0x07, 0x06, 0x05 }, +}; +#endif + +/* vt6413d */ +static const u8 DDR2_ChA_Clk_Phase_Table_2R[3][Clk_Phase_Table_DDR2_Width] = { + // (And NOT) DDR800 DDR667 DDR533 DDR400 + //Reg Mask Value Value Value Value + {0x91, 0xF8, 0x02, 0x01, 0x00, 0x07}, // 1Rank + {0x92, 0xF8, 0x04, 0x03, 0x03, 0x02}, + {0x93, 0xF8, 0x06, 0x05, 0x04, 0x03}, +}; + +/* + * DRAM Write Data phase control + * Modify NB Reg: Rx74/Rx75/Rx76 + */ +/* vt6413c */ +#if 0 +static const u8 DDR2_ChA_WrtData_Phase_Table[WrtData_REG_NUM ][WrtData_FREQ_NUM] = { + // (And NOT) DDR800 DDR667 DDR533 DDR400 + //Reg Mask Value Value Value Value + {0x74, 0xF8, 0x03, 0x04, 0x05, 0x02 }, // 1Rank + {0x75, 0xF8, 0x03, 0x04, 0x05, 0x02 }, + {0x76, 0x00, 0x10, 0x80, 0x00, 0x07 }, +}; +#endif + +/* vt6413D */ +static const u8 DDR2_ChA_WrtData_Phase_Table[WrtData_REG_NUM][WrtData_FREQ_NUM] = { + // (And NOT) DDR800 DDR667 DDR533 DDR400 + //Reg Mask Value Value Value Value + {0x74, 0xF8, 0x01, 0x00, 0x00, 0x07}, // 1Rank + {0x75, 0xF8, 0x01, 0x00, 0x00, 0x07}, + {0x76, 0x10, 0x80, 0x87, 0x07, 0x06}, + {0x8C, 0xFC, 0x03, 0x03, 0x03, 0x03}, +}; + +#if 0 +static const u8 DDR2_ChB_WrtData_Phase_Table[WrtData_REG_NUM ][WrtData_FREQ_NUM] = { + // (And NOT) DDR800 DDR667 DDR533 DDR400 + //Reg Mask Value Value Value Value + {0x74, 0x8F, 0x30, 0x40, 0x30, 0x20 }, // 1Rank + {0x75, 0x8F, 0x30, 0x40, 0x30, 0x20 }, + {0x8A, 0x00, 0x10, 0x80, 0x07, 0x07 }, +}; +#endif + +/* + * DQ/DQS Output Delay Control + * Modify NB D0F3: RxF0/RxF1/RxF2/RxF3 + */ +static const u8 DDR2_CHA_DQ_DQS_Delay_Table[4][DQ_DQS_Delay_Table_Width] = { + //RxF0 RxF1 RxF2 RxF3 + {0x00, 0x00, 0x00, 0x00}, /* DDR400 */ + {0x00, 0x00, 0x00, 0x00}, /* DDR533 */ + {0x00, 0x00, 0x00, 0x00}, /* DDR667 */ + {0x00, 0x00, 0x00, 0x00}, /* DDR800 */ +}; + +static const u8 DDR2_CHB_DQ_DQS_Delay_Table[4][DQ_DQS_Delay_Table_Width] = { + //RxF4 RxF5 RxF6 RxF7 + {0x00, 0x00, 0x00, 0x00}, /* DDR400 */ + {0x00, 0x00, 0x00, 0x00}, /* DDR533 */ + {0x00, 0x00, 0x00, 0x00}, /* DDR667 */ + {0x00, 0x00, 0x00, 0x00}, /* DDR800 */ +}; + +/* + * DQ/DQS input Capture Control + * modify NB D0F3_Reg:Rx78/Rx79/Rx7A/Rx7B + */ +/* vt6413C */ +#if 0 +static const u8 DDR2_ChA_DQS_Input_Capture_Tbl[DQS_INPUT_CAPTURE_REG_NUM ][DQS_INPUT_CAPTURE_FREQ_NUM] = { + // (And NOT) DDR800 DDR667 DDR533 DDR400 + //Reg Mask Value Value Value Value + {0x78, 0x00, 0x83, 0x8D, 0x87, 0x83 }, // 1Rank + {0x7A, 0xF0, 0x00, 0x00, 0x00, 0x00 }, + {0x7B, 0x00, 0x10, 0x30, 0x20, 0x10 } +}; +#endif + +/* vt6413D */ +static const u8DDR2_ChA_DQS_Input_Capture_Tbl[DQS_INPUT_CAPTURE_REG_NUM][DQS_INPUT_CAPTURE_FREQ_NUM] = { + // (And NOT) DDR800 DDR667 DDR533 DDR400 + //Reg Mask Value Value Value Value + {0x78, 0xC0, 0x0D, 0x07, 0x03, 0x01}, // 1Rank + {0x7A, 0xF0, 0x00, 0x00, 0x00, 0x00}, + {0x7B, 0x00, 0x34, 0x34, 0x20, 0x10} +}; + +static const u8 DDR2_ChB_DQS_Input_Capture_Tbl[DQS_INPUT_CAPTURE_REG_NUM][DQS_INPUT_CAPTURE_FREQ_NUM] = { + // (And NOT) DDR800 DDR667 DDR533 DDR400 + //Reg Mask Value Value Value Value + {0x79, 0x00, 0x89, 0x89, 0x87, 0x83}, // 1Rank + {0x7A, 0x0F, 0x00, 0x00, 0x00, 0x00}, + {0x8B, 0x00, 0x34, 0x34, 0x20, 0x10} +}; + +static const u8 Fixed_DQSA_1_2_Rank_Table[4][2] = { + //Rx70 Rx71 + {0x00, 0x05}, /* DDR800 */ + {0x00, 0x06}, /* DDR667 */ + {0x00, 0x04}, /* DDR533 */ + {0x00, 0x05}, /* DDR400 */ +}; + +static const u8 Fixed_DQSA_3_4_Rank_Table[4][2] = { + //Rx70 Rx71 + {0x00, 0x04}, /* DDR800 */ + {0x00, 0x04}, /* DDR667 */ + {0x00, 0x03}, /* DDR533 */ + {0x00, 0x04}, /* DDR400 */ +}; |