/* SPDX-License-Identifier: GPL-2.0-only */ #include #include "smbios.h" #include #include #include #include /* 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; }