| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <smbios.h> |
| #include "smbios.h" |
| #include <string.h> |
| #include <commonlib/helpers.h> |
| #include <console/console.h> |
| #include <device/dram/ddr3.h> |
| |
| /* 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; |
| /* Translate to DDR2 module type field that SMBIOS code expects. */ |
| switch (mod_type) { |
| case SPD_DIMM_TYPE_SO_DIMM: |
| dimm->mod_type = SPD_SODIMM; |
| break; |
| case SPD_DIMM_TYPE_72B_SO_CDIMM: |
| dimm->mod_type = SPD_72B_SO_CDIMM; |
| break; |
| case SPD_DIMM_TYPE_72B_SO_RDIMM: |
| dimm->mod_type = SPD_72B_SO_RDIMM; |
| break; |
| case SPD_DIMM_TYPE_UDIMM: |
| dimm->mod_type = SPD_UDIMM; |
| break; |
| case SPD_DIMM_TYPE_RDIMM: |
| dimm->mod_type = SPD_RDIMM; |
| break; |
| case SPD_DIMM_TYPE_UNDEFINED: |
| default: |
| dimm->mod_type = SPD_UNDEFINED; |
| break; |
| } |
| 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); |
| switch (data_width) { |
| case 8: |
| dimm->bus_width = MEMORY_BUS_WIDTH_8; |
| break; |
| case 16: |
| dimm->bus_width = MEMORY_BUS_WIDTH_16; |
| break; |
| case 32: |
| dimm->bus_width = MEMORY_BUS_WIDTH_32; |
| break; |
| case 64: |
| dimm->bus_width = MEMORY_BUS_WIDTH_64; |
| break; |
| case 128: |
| dimm->bus_width = MEMORY_BUS_WIDTH_128; |
| break; |
| default: |
| printk(BIOS_NOTICE, "Incorrect DIMM Data width: %u\n", |
| (unsigned int)data_width); |
| } |
| |
| if (ecc_support) |
| dimm->bus_width |= 0x8; |
| } |