blob: bd6de9f7d12c67f571150e1c1a648eb44a1420a3 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0-only */
#include <smbios.h>
#include "smbios.h"
#include <string.h>
#include <commonlib/helpers.h>
#include <device/dram/ddr3.h>
#include <dimm_info_util.h>
#define EXTENSION_BUS_WIDTH_8BITS 8
/* Fill the SMBIOS memory information from FSP MEM_INFO_DATA_HOB in CBMEM.*/
void dimm_info_fill(struct dimm_info *dimm, u32 dimm_capacity, u8 ddr_type,
u32 frequency, u8 rank_per_dimm, u8 channel_id, u8 dimm_id,
const char *module_part_num, size_t module_part_number_size,
const u8 *module_serial_num, u16 data_width, u32 vdd_voltage,
bool ecc_support, u16 mod_id, u8 mod_type)
{
dimm->mod_id = mod_id;
dimm->mod_type = mod_type;
dimm->dimm_size = dimm_capacity;
dimm->ddr_type = ddr_type;
dimm->ddr_frequency = frequency;
dimm->rank_per_dimm = rank_per_dimm;
dimm->channel_num = channel_id;
dimm->dimm_num = dimm_id;
if (vdd_voltage > 0xFFFF) {
dimm->vdd_voltage = 0xFFFF;
} else {
dimm->vdd_voltage = vdd_voltage;
}
strncpy((char *)dimm->module_part_number,
module_part_num,
MIN(sizeof(dimm->module_part_number),
module_part_number_size));
if (module_serial_num)
memcpy(dimm->serial, module_serial_num,
DIMM_INFO_SERIAL_SIZE);
uint16_t total_width = data_width;
if (ecc_support)
total_width += EXTENSION_BUS_WIDTH_8BITS;
dimm->bus_width = smbios_bus_width_to_spd_width(ddr_type, total_width, data_width);
}