diff options
Diffstat (limited to 'src/northbridge/via/vx800/dram_init.c')
-rw-r--r-- | src/northbridge/via/vx800/dram_init.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/src/northbridge/via/vx800/dram_init.c b/src/northbridge/via/vx800/dram_init.c deleted file mode 100644 index 6cd0d635e8..0000000000 --- a/src/northbridge/via/vx800/dram_init.c +++ /dev/null @@ -1,79 +0,0 @@ -/* - * 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; 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. - */ - -CB_STATUS DDR2_DRAM_INIT(void) -{ - u8 i; - u32 RamSize; - DRAM_SYS_ATTR DramAttr; - - PRINT_DEBUG_MEM("DRAM_INIT \r"); - - memset(&DramAttr, 0, sizeof(DRAM_SYS_ATTR)); - /*Step1 DRAM Detection; DDR1 or DDR2; Get SPD Data; Rank Presence;64 or 128bit; Unbuffered or registered; 1T or 2T */ - DRAMDetect(&DramAttr); - - //Step2 set Frequency; calculate CL and Frequncy from SPD data; set the Frequency - DRAMFreqSetting(&DramAttr); - //Step3 Set DRAM Timing; CL, tRP, tRCD, tRAS, tRFC, tRRD, tWR, tWTR, tRTP - DRAMTimingSetting(&DramAttr); - //Step4 DRDY - DRAMDRDYSetting(&DramAttr); - //Step5 Burst length - DRAMBurstLength(&DramAttr); - //Step6 DRAM Driving Adjustment - DRAMDriving(&DramAttr); - //Step7 duty cycle control - DutyCycleCtrl(&DramAttr); - //Step8 DRAM clock phase and delay control - DRAMClkCtrl(&DramAttr); - //Step9 set register before init DRAM device - DRAMRegInitValue(&DramAttr); - //Step10 DDR and DDR2 initialize process - DRAMInitializeProc(&DramAttr); - - //Step13 Interleave function in rankmap.c - DRAMBankInterleave(&DramAttr); - //Step14 Sizing - DRAMSizingMATypeM(&DramAttr); - - //Step11 Search DQS and DQ output delay - DRAMDQSOutputSearch(&DramAttr); - //Step12 Search DQS input delay - DRAMDQSInputSearch(&DramAttr); - - //Step15 DDR fresh counter setting - DRAMRefreshCounter(&DramAttr); - //Step16 Final register setting for improve performance - DRAMRegFinalValue(&DramAttr); - - RamSize = 0; - for (i = 0; i < MAX_RANKS; i++) { - if (DramAttr.RankSize[i] == 0) { - continue; - } - RamSize += DramAttr.RankSize[i]; - } - PRINT_DEBUG_MEM("RamSize="); - PRINT_DEBUG_MEM_HEX32(RamSize); - PRINT_DEBUG_MEM("\r"); - DumpRegisters(0, 3); - //BOOLEAN bTest = DramBaseTest( M1, RamSize - M1 * 2,SPARE, FALSE); - /* the memory can not correct work, this is because the user set the incorrect memory - parameter from setup interface.so we must set the boot mode to recovery mode, let - the system to reset and use the spd value to initialize the memory */ - SetUMARam(); - return CB_SUCCESS; -} |