romstage.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <baseboard/variants.h>
#include <boardid.h>
#include <console/console.h>
#include <ec/google/chromeec/ec.h>
#include <memory_info.h>
#include <soc/meminit.h>
#include <soc/romstage.h>
 
void mainboard_memory_init_params(FSPM_UPD *memupd)
{
        meminit_lpddr4_by_sku(&memupd->FspmConfig,
                variant_lpddr4_config(), variant_memory_sku());
}
 
static void save_dimm_info_by_sku_config(void)
{
        save_lpddr4_dimm_info(variant_lpddr4_config(), variant_memory_sku());
}
 
void mainboard_save_dimm_info(void)
{
        char part_num_store[DIMM_INFO_PART_NUMBER_SIZE];
        const char *part_num = NULL;
 
        if (CONFIG(DRAM_PART_NUM_NOT_ALWAYS_IN_CBI)) {
                /* Fall back on part numbers encoded in lp4cfg array. */
                if ((int)board_id() < CONFIG_DRAM_PART_IN_CBI_BOARD_ID_MIN) {
                        save_dimm_info_by_sku_config();
                        return;
                }
        }
 
        if (google_chromeec_cbi_get_dram_part_num(&part_num_store[0],
                        ARRAY_SIZE(part_num_store)) < 0)
                printk(BIOS_ERR, "Couldn't obtain DRAM part number from CBI\n");
        else
                part_num = &part_num_store[0];
 
        save_lpddr4_dimm_info_part_num(part_num);
}