coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
romstage.c
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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #include <fsp/api.h>
4 #include <soc/romstage.h>
5 #include <spd_bin.h>
6 
7 void mainboard_memory_init_params(FSPM_UPD *mupd)
8 {
9  FSP_M_CONFIG *mem_cfg = &mupd->FspmConfig;
10 
11  struct spd_block blk = {
12  .addr_map = { 0x50, 0x51, 0x52, 0x53, },
13  };
14 
15  mem_cfg->DqPinsInterleaved = 1;
16  mem_cfg->CaVrefConfig = 2;
17  get_spd_smbus(&blk);
18  mem_cfg->MemorySpdDataLen = blk.len;
19  mem_cfg->MemorySpdPtr00 = (uintptr_t)blk.spd_array[0];
20  mem_cfg->MemorySpdPtr10 = (uintptr_t)blk.spd_array[2];
21  mem_cfg->MemorySpdPtr01 = (uintptr_t)blk.spd_array[1];
22  mem_cfg->MemorySpdPtr11 = (uintptr_t)blk.spd_array[3];
23  mem_cfg->UserBd = BOARD_TYPE_SERVER;
24 
25  mupd->FspmTestConfig.DmiVc1 = 1;
26 }
#define FSP_M_CONFIG
Definition: fsp_upd.h:8
void mainboard_memory_init_params(FSPM_UPD *mupd)
Definition: romstage.c:22
@ BOARD_TYPE_SERVER
Definition: romstage.h:18
void get_spd_smbus(struct spd_block *blk)
Definition: smbuslib.c:72
unsigned long uintptr_t
Definition: stdint.h:21
Definition: ddr4.c:86
u8 addr_map[CONFIG_DIMM_MAX]
Definition: spd_bin.h:39
u8 * spd_array[CONFIG_DIMM_MAX]
Definition: spd_bin.h:40
uint16_t len
Definition: ddr4.c:89