2020-04-05 15:46:56 +02:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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/* This file is part of the coreboot project. */
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2017-02-21 11:54:49 +01:00
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#include <smbios.h>
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#include "smbios.h"
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#include <string.h>
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2019-12-03 18:22:06 +01:00
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#include <commonlib/helpers.h>
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2017-02-21 11:54:49 +01:00
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#include <console/console.h>
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2019-06-10 23:00:56 +02:00
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#include <device/dram/ddr3.h>
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2017-02-21 11:54:49 +01:00
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/* Fill the SMBIOS memory information from FSP MEM_INFO_DATA_HOB in CBMEM.*/
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void dimm_info_fill(struct dimm_info *dimm, u32 dimm_capacity, u8 ddr_type,
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2019-02-05 02:05:51 +01:00
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u32 frequency, u8 rank_per_dimm, u8 channel_id, u8 dimm_id,
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2017-03-07 12:41:03 +01:00
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const char *module_part_num, size_t module_part_number_size,
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2019-05-28 10:37:24 +02:00
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const u8 *module_serial_num, u16 data_width, u32 vdd_voltage,
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2019-06-10 23:00:56 +02:00
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bool ecc_support, u16 mod_id, u8 mod_type)
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2017-02-21 11:54:49 +01:00
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{
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2019-06-10 23:00:56 +02:00
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dimm->mod_id = mod_id;
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/* Translate to DDR2 module type field that SMBIOS code expects. */
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switch (mod_type) {
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case SPD_DIMM_TYPE_SO_DIMM:
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dimm->mod_type = SPD_SODIMM;
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break;
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case SPD_DIMM_TYPE_72B_SO_CDIMM:
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dimm->mod_type = SPD_72B_SO_CDIMM;
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break;
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case SPD_DIMM_TYPE_72B_SO_RDIMM:
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dimm->mod_type = SPD_72B_SO_RDIMM;
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break;
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case SPD_DIMM_TYPE_UDIMM:
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dimm->mod_type = SPD_UDIMM;
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break;
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case SPD_DIMM_TYPE_RDIMM:
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dimm->mod_type = SPD_RDIMM;
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break;
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case SPD_DIMM_TYPE_UNDEFINED:
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default:
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dimm->mod_type = SPD_UNDEFINED;
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break;
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}
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2017-02-21 11:54:49 +01:00
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dimm->dimm_size = dimm_capacity;
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dimm->ddr_type = ddr_type;
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dimm->ddr_frequency = frequency;
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2019-02-05 02:05:51 +01:00
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dimm->rank_per_dimm = rank_per_dimm;
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2017-02-21 11:54:49 +01:00
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dimm->channel_num = channel_id;
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dimm->dimm_num = dimm_id;
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2019-05-28 10:37:24 +02:00
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if (vdd_voltage > 0xFFFF) {
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dimm->vdd_voltage = 0xFFFF;
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} else {
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dimm->vdd_voltage = vdd_voltage;
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}
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2017-02-21 11:54:49 +01:00
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strncpy((char *)dimm->module_part_number,
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module_part_num,
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2019-12-03 18:22:06 +01:00
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MIN(sizeof(dimm->module_part_number),
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2017-03-07 12:41:03 +01:00
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module_part_number_size));
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2019-05-17 22:57:31 +02:00
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if (module_serial_num)
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memcpy(dimm->serial, module_serial_num,
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DIMM_INFO_SERIAL_SIZE);
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2017-02-21 11:54:49 +01:00
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switch (data_width) {
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case 8:
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dimm->bus_width = MEMORY_BUS_WIDTH_8;
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break;
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case 16:
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dimm->bus_width = MEMORY_BUS_WIDTH_16;
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break;
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case 32:
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dimm->bus_width = MEMORY_BUS_WIDTH_32;
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break;
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case 64:
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dimm->bus_width = MEMORY_BUS_WIDTH_64;
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break;
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case 128:
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dimm->bus_width = MEMORY_BUS_WIDTH_128;
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break;
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default:
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2017-07-19 15:43:47 +02:00
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printk(BIOS_NOTICE, "Incorrect DIMM Data width: %u\n",
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(unsigned int)data_width);
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2017-02-21 11:54:49 +01:00
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}
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2019-05-28 10:37:24 +02:00
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if (ecc_support)
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dimm->bus_width |= 0x8;
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2017-02-21 11:54:49 +01:00
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}
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