diff options
Diffstat (limited to 'src/northbridge/via/vx800/dqs_search.c')
-rw-r--r-- | src/northbridge/via/vx800/dqs_search.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/src/northbridge/via/vx800/dqs_search.c b/src/northbridge/via/vx800/dqs_search.c deleted file mode 100644 index e34b71077a..0000000000 --- a/src/northbridge/via/vx800/dqs_search.c +++ /dev/null @@ -1,93 +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. - */ - -void SetDQSOutputCHA(DRAM_SYS_ATTR * DramAttr); -void SetDQSOutputCHB(DRAM_SYS_ATTR * DramAttr); - -/*=================================================================== -Function : DRAMDQSOutputSearchCHA() -Precondition : -Input : - DramAttr: pointer point to DRAM_SYS_ATTR which consist the DDR and Dimm information - in MotherBoard -Output : Void -Purpose : set DQS output delay register reg70 and DQ output delay register reg71 -===================================================================*/ - -#define CH_A 0 -#define CH_B 1 -void DRAMDQSOutputSearch(DRAM_SYS_ATTR * DramAttr) -{ - if (DramAttr->RankNumChA > 0) - SetDQSOutputCHA(DramAttr); -} - -/*=================================================================== -Function : SetDQSOutputCHA() -Precondition : -Input : - DramAttr: pointer point to DRAM_SYS_ATTR which consist the DDR and Dimm information - in MotherBoard -Output : Void -Purpose : according the frequence set CHA DQS output -===================================================================*/ -void SetDQSOutputCHA(DRAM_SYS_ATTR * DramAttr) -{ - u8 Reg70, Reg71; - u8 Index; - - if (DramAttr->DramFreq == DIMMFREQ_400) - Index = 3; - else if (DramAttr->DramFreq == DIMMFREQ_533) - Index = 2; - else if (DramAttr->DramFreq == DIMMFREQ_667) - Index = 1; - else if (DramAttr->DramFreq == DIMMFREQ_800) - Index = 0; - else - Index = 3; - - if (DramAttr->RankNumChA > 2) { - Reg70 = Fixed_DQSA_3_4_Rank_Table[Index][0]; - Reg71 = Fixed_DQSA_3_4_Rank_Table[Index][1]; - } else { - Reg70 = Fixed_DQSA_1_2_Rank_Table[Index][0]; - Reg71 = Fixed_DQSA_1_2_Rank_Table[Index][1]; - } - pci_write_config8(MEMCTRL, 0x70, Reg70); - pci_write_config8(MEMCTRL, 0x71, Reg71); -} - -//################ -// STEP 12 # -//################ - -/*=================================================================== -Function : DRAMDQSInputSearch() -Precondition : -Input : - DramAttr: pointer point to DRAM_SYS_ATTR which consist the DDR and Dimm information - in MotherBoard -Output : Void -Purpose : search DQS input delay for CHA/CHB -===================================================================*/ - -void DRAMDQSInputSearch(DRAM_SYS_ATTR * DramAttr) -{ - u8 Data; - //auto mode - Data = 0x0; - pci_write_config8(MEMCTRL, 0x77, Data); -} |