romstage_fsp_params.c

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/* SPDX-License-Identifier: GPL-2.0-only */
#include <assert.h>
#include <console/console.h>
#include <fsp/api.h>
#include <soc/romstage.h>
#include <spd_bin.h>
#include <soc/meminit.h>
#include <baseboard/variants.h>
#include "board_id.h"
#include "spd/spd.h"
 
static uintptr_t mainboard_get_spd_index(void)
{
        uint8_t board_id = (get_board_id() & 0xFF);
        int spd_index;
 
        printk(BIOS_INFO, "board id is 0x%x\n", board_id);
 
        switch (board_id) {
        case TGL_UP3_LP4_MICRON:
        case TGL_UP4_LP4_MICRON:
                spd_index = SPD_ID_MICRON;
                break;
        case TGL_UP3_LP4_SAMSUNG:
        case TGL_UP4_LP4_SAMSUNG:
                spd_index = SPD_ID_SAMSUNG;
                break;
        case TGL_UP3_LP4_HYNIX:
        case TGL_UP4_LP4_HYNIX:
                spd_index = SPD_ID_HYNIX;
                break;
        default:
                spd_index = SPD_ID_MICRON;
                printk(BIOS_WARNING, "Invalid board_id 0x%x\n", board_id);
        }
 
        printk(BIOS_INFO, "SPD index is 0x%x\n", spd_index);
        return spd_index;
}
 
void mainboard_memory_init_params(FSPM_UPD *mupd)
{
        const struct mb_cfg *mem_config = variant_memory_params();
        const struct mem_spd spd_info = {
                .topo = MEM_TOPO_MEMORY_DOWN,
                .cbfs_index = mainboard_get_spd_index(),
        };
        bool half_populated = false;
 
        memcfg_init(mupd, mem_config, &spd_info, half_populated);
 
}