romstage.c

Go to the documentation of this file.

/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <console/console.h>
#include <fsp/api.h>
#include <soc/gpio.h>
#include <soc/pm.h>
#include <soc/romstage.h>
#include "spd/spd.h"
#include <spd_bin.h>
 
void mainboard_memory_init_params(FSPM_UPD *mupd)
{
        FSP_M_CONFIG *mem_cfg = &mupd->FspmConfig;
 
        struct spd_block blk = {
                .addr_map = { 0x50, 0x52, },
        };
 
        get_spd_smbus(&blk);
        dump_spd_info(&blk);
        printk(BIOS_SPEW, "spd block length: 0x%08x\n", blk.len);
 
        mem_cfg->MemorySpdPtr00 = (UINT32) blk.spd_array[0];
        mem_cfg->MemorySpdPtr10 = (UINT32) blk.spd_array[1];
        printk(BIOS_SPEW, "0x%08x: SpdDataBuffer_0_0\n", mem_cfg->MemorySpdPtr00);
        printk(BIOS_SPEW, "0x%08x: SpdDataBuffer_1_0\n", mem_cfg->MemorySpdPtr10);
 
        /*
        * Configure the DQ/DQS settings if required. In general the settings
        * should be set in the FSP flash image and should not need to be
        * changed.
        */
        mainboard_fill_dq_map_data(&mem_cfg->DqByteMapCh0, &mem_cfg->DqByteMapCh1);
        mainboard_fill_dqs_map_data(&mem_cfg->DqsMapCpu2DramCh0, &mem_cfg->DqsMapCpu2DramCh1);
        mainboard_fill_rcomp_res_data(&mem_cfg->RcompResistor);
        mainboard_fill_rcomp_strength_data(&mem_cfg->RcompTarget);
 
        /* update spd length*/
        mem_cfg->MemorySpdDataLen = blk.len;
        mem_cfg->DqPinsInterleaved = TRUE;
}