romstage.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <assert.h>
#include <console/console.h>
#include <soc/romstage.h>
#include <spd_bin.h>
#include "spd/spd.h"
#include <ec/acpi/ec.h>
#include <stdint.h>
 
#define SPD_4X_2GB 0
#define SPD_4X_4GB 1
 
void mainboard_memory_init_params(FSPM_UPD *mupd)
{
        FSP_M_CONFIG *mem_cfg;
        mem_cfg = &mupd->FspmConfig;
 
 
#if CONFIG(BOARD_RAZER_BLADE_STEALTH_KBL_16GB)
        u8 spd_index = SPD_4X_4GB;
#else
        u8 spd_index = SPD_4X_2GB;
#endif
 
        printk(BIOS_INFO, "SPD index %d\n", spd_index);
 
        mainboard_fill_dq_map_data(&mem_cfg->DqByteMapCh0);
        mainboard_fill_dqs_map_data(&mem_cfg->DqsMapCpu2DramCh0);
        mainboard_fill_rcomp_res_data(&mem_cfg->RcompResistor);
        mainboard_fill_rcomp_strength_data(&mem_cfg->RcompTarget);
 
        mem_cfg->DqPinsInterleaved = 0;
        mem_cfg->MemorySpdDataLen = CONFIG_DIMM_SPD_SIZE;
        /* Memory leak is ok since we have memory mapped boot media */
        // TODO evaluate google/eve way of loading
        mem_cfg->MemorySpdPtr00 = spd_cbfs_map(spd_index);
        if (!mem_cfg->MemorySpdPtr00)
                die("spd.bin not found\n");
        mem_cfg->MemorySpdPtr10 = mem_cfg->MemorySpdPtr00;
 
        mupd->FspmTestConfig.DmiVc1 = 1;
}