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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <baseboard/variants.h>
#include <soc/cnl_memcfg_init.h>
#include <soc/romstage.h>
#include <spd_bin.h>
void mainboard_memory_init_params(FSPM_UPD *memupd)
{
struct cnl_mb_cfg memcfg;
variant_memory_params(&memcfg);
/* Read spd block to get memory config */
struct spd_block blk = {
.addr_map = { 0x50, 0x52, },
};
/* Access memory info through SMBUS. */
get_spd_smbus(&blk);
memcfg.spd[0].read_type = READ_SPD_MEMPTR;
memcfg.spd[0].spd_spec.spd_data_ptr_info.spd_data_len = blk.len;
memcfg.spd[0].spd_spec.spd_data_ptr_info.spd_data_ptr = (uintptr_t)blk.spd_array[0];
memcfg.spd[1].read_type = NOT_EXISTING;
memcfg.spd[2].read_type = READ_SPD_MEMPTR;
memcfg.spd[2].spd_spec.spd_data_ptr_info.spd_data_len = blk.len;
memcfg.spd[2].spd_spec.spd_data_ptr_info.spd_data_ptr = (uintptr_t)blk.spd_array[1];
memcfg.spd[3].read_type = NOT_EXISTING;
dump_spd_info(&blk);
/* set to 2 VREF_CA goes to CH_A and VREF_DQ_B goes to CH_B. */
memcfg.vref_ca_config = 2;
memcfg.dq_pins_interleaved = 1;
cannonlake_memcfg_init(&memupd->FspmConfig, &memcfg);
}
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