| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering |
| * Copyright (C) 2011 Sven Schnelle <svens@stackframe.org> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; version 2 of |
| * the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include <smbios.h> |
| #include <console/console.h> |
| #include <version.h> |
| #include <device/device.h> |
| #include <arch/cpu.h> |
| #include <cpu/x86/name.h> |
| #include <elog.h> |
| #include <endian.h> |
| #include <memory_info.h> |
| #include <spd.h> |
| #include <cbmem.h> |
| #if CONFIG_CHROMEOS |
| #include <vendorcode/google/chromeos/gnvs.h> |
| #endif |
| |
| static u8 smbios_checksum(u8 *p, u32 length) |
| { |
| u8 ret = 0; |
| while (length--) |
| ret += *p++; |
| return -ret; |
| } |
| |
| |
| int smbios_add_string(char *start, const char *str) |
| { |
| int i = 1; |
| char *p = start; |
| |
| for(;;) { |
| if (!*p) { |
| strcpy(p, str); |
| p += strlen(str); |
| *p++ = '\0'; |
| *p++ = '\0'; |
| return i; |
| } |
| |
| if (!strcmp(p, str)) |
| return i; |
| |
| p += strlen(p)+1; |
| i++; |
| } |
| } |
| |
| int smbios_string_table_len(char *start) |
| { |
| char *p = start; |
| int i, len = 0; |
| |
| while(*p) { |
| i = strlen(p) + 1; |
| p += i; |
| len += i; |
| } |
| return len + 1; |
| } |
| |
| static int smbios_cpu_vendor(char *start) |
| { |
| char tmp[13] = "Unknown"; |
| u32 *_tmp = (u32 *)tmp; |
| struct cpuid_result res; |
| |
| if (cpu_have_cpuid()) { |
| res = cpuid(0); |
| _tmp[0] = res.ebx; |
| _tmp[1] = res.edx; |
| _tmp[2] = res.ecx; |
| tmp[12] = '\0'; |
| } |
| |
| return smbios_add_string(start, tmp); |
| } |
| |
| static int smbios_processor_name(char *start) |
| { |
| char tmp[49] = "Unknown Processor Name"; |
| u32 *_tmp = (u32 *)tmp; |
| struct cpuid_result res; |
| int i; |
| |
| if (cpu_have_cpuid()) { |
| res = cpuid(0x80000000); |
| if (res.eax >= 0x80000004) { |
| for (i = 0; i < 3; i++) { |
| res = cpuid(0x80000002 + i); |
| _tmp[i * 4 + 0] = res.eax; |
| _tmp[i * 4 + 1] = res.ebx; |
| _tmp[i * 4 + 2] = res.ecx; |
| _tmp[i * 4 + 3] = res.edx; |
| } |
| tmp[48] = 0; |
| } |
| } |
| return smbios_add_string(start, tmp); |
| } |
| |
| /* this function will fill the corresponding manufacturer */ |
| void smbios_fill_dimm_manufacturer_from_id(uint16_t mod_id, struct smbios_type17 *t) |
| { |
| switch (mod_id) { |
| case 0x2c80: |
| t->manufacturer = smbios_add_string(t->eos, |
| "Crucial"); |
| break; |
| case 0x9801: |
| t->manufacturer = smbios_add_string(t->eos, |
| "Kingston"); |
| break; |
| case 0x987f: |
| t->manufacturer = smbios_add_string(t->eos, |
| "Hynix"); |
| break; |
| case 0x9e02: |
| t->manufacturer = smbios_add_string(t->eos, |
| "Corsair"); |
| break; |
| case 0xad80: |
| t->manufacturer = smbios_add_string(t->eos, |
| "Hynix/Hyundai"); |
| break; |
| case 0xce80: |
| t->manufacturer = smbios_add_string(t->eos, |
| "Samsung"); |
| break; |
| case 0xfe02: |
| t->manufacturer = smbios_add_string(t->eos, |
| "Elpida"); |
| break; |
| case 0xff2c: |
| t->manufacturer = smbios_add_string(t->eos, |
| "Micron"); |
| break; |
| default: { |
| char string_buffer[256]; |
| snprintf(string_buffer, sizeof(string_buffer), |
| "Unknown (%x)", mod_id); |
| t->manufacturer = smbios_add_string(t->eos, |
| string_buffer); |
| break; |
| } |
| } |
| } |
| |
| static int create_smbios_type17_for_dimm(struct dimm_info *dimm, |
| unsigned long *current, int *handle) |
| { |
| struct smbios_type17 *t = (struct smbios_type17 *)*current; |
| uint8_t length; |
| char locator[40]; |
| |
| memset(t, 0, sizeof(struct smbios_type17)); |
| t->memory_type = dimm->ddr_type; |
| t->clock_speed = dimm->ddr_frequency; |
| t->speed = dimm->ddr_frequency; |
| t->type = SMBIOS_MEMORY_DEVICE; |
| t->size = dimm->dimm_size; |
| t->data_width = 8 * (1 << (dimm->bus_width & 0x7)); |
| t->total_width = t->data_width + 8 * ((dimm->bus_width & 0x18) >> 3); |
| |
| switch (dimm->mod_type) { |
| case SPD_RDIMM: |
| case SPD_MINI_RDIMM: |
| t->form_factor = MEMORY_FORMFACTOR_RIMM; |
| break; |
| case SPD_UDIMM: |
| case SPD_MICRO_DIMM: |
| case SPD_MINI_UDIMM: |
| t->form_factor = MEMORY_FORMFACTOR_DIMM; |
| break; |
| case SPD_SODIMM: |
| t->form_factor = MEMORY_FORMFACTOR_SODIMM; |
| break; |
| default: |
| t->form_factor = MEMORY_FORMFACTOR_UNKNOWN; |
| break; |
| } |
| |
| smbios_fill_dimm_manufacturer_from_id(dimm->mod_id, t); |
| /* put '\0' in the end of data */ |
| length = sizeof(dimm->serial); |
| dimm->serial[length - 1] = '\0'; |
| if (dimm->serial[0] == 0) |
| t->serial_number = smbios_add_string(t->eos, "None"); |
| else |
| t->serial_number = smbios_add_string(t->eos, |
| (const char *)dimm->serial); |
| |
| snprintf(locator, sizeof(locator), "Channel-%d-DIMM-%d", |
| dimm->channel_num, dimm->dimm_num); |
| t->device_locator = smbios_add_string(t->eos, locator); |
| |
| snprintf(locator, sizeof(locator), "BANK %d", dimm->bank_locator); |
| t->bank_locator = smbios_add_string(t->eos, locator); |
| |
| /* put '\0' in the end of data */ |
| length = sizeof(dimm->module_part_number); |
| dimm->module_part_number[length - 1] = '\0'; |
| t->part_number = smbios_add_string(t->eos, |
| (const char *)dimm->module_part_number); |
| |
| /* Synchronous = 1 */ |
| t->type_detail = 0x0080; |
| /* no handle for error information */ |
| t->memory_error_information_handle = 0xFFFE; |
| t->attributes = dimm->rank_per_dimm; |
| t->handle = *handle; |
| *handle += 1; |
| t->length = sizeof(struct smbios_type17) - 2; |
| return t->length + smbios_string_table_len(t->eos); |
| } |
| |
| const char *__attribute__((weak)) smbios_mainboard_bios_version(void) |
| { |
| if (strlen(CONFIG_LOCALVERSION)) |
| return CONFIG_LOCALVERSION; |
| else |
| return coreboot_version; |
| } |
| |
| static int smbios_write_type0(unsigned long *current, int handle) |
| { |
| struct smbios_type0 *t = (struct smbios_type0 *)*current; |
| int len = sizeof(struct smbios_type0); |
| |
| memset(t, 0, sizeof(struct smbios_type0)); |
| t->type = SMBIOS_BIOS_INFORMATION; |
| t->handle = handle; |
| t->length = len - 2; |
| |
| t->vendor = smbios_add_string(t->eos, "coreboot"); |
| #if !CONFIG_CHROMEOS |
| t->bios_release_date = smbios_add_string(t->eos, coreboot_dmi_date); |
| |
| t->bios_version = smbios_add_string(t->eos, smbios_mainboard_bios_version()); |
| #else |
| #define SPACES \ |
| " " |
| t->bios_release_date = smbios_add_string(t->eos, coreboot_dmi_date); |
| #if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES) |
| u32 version_offset = (u32)smbios_string_table_len(t->eos); |
| #endif |
| t->bios_version = smbios_add_string(t->eos, SPACES); |
| |
| #if IS_ENABLED(CONFIG_HAVE_ACPI_TABLES) |
| /* SMBIOS offsets start at 1 rather than 0 */ |
| vboot_data->vbt10 = (u32)t->eos + (version_offset - 1); |
| #endif |
| #endif /* CONFIG_CHROMEOS */ |
| |
| t->bios_rom_size = (CONFIG_ROM_SIZE / 65535) - 1; |
| |
| t->system_bios_major_release = 4; |
| t->bios_characteristics = |
| BIOS_CHARACTERISTICS_PCI_SUPPORTED | |
| #if CONFIG_CARDBUS_PLUGIN_SUPPORT |
| BIOS_CHARACTERISTICS_PC_CARD | |
| #endif |
| BIOS_CHARACTERISTICS_SELECTABLE_BOOT | |
| BIOS_CHARACTERISTICS_UPGRADEABLE; |
| |
| #if CONFIG_HAVE_ACPI_TABLES |
| t->bios_characteristics_ext1 = BIOS_EXT1_CHARACTERISTICS_ACPI; |
| #endif |
| t->bios_characteristics_ext2 = BIOS_EXT2_CHARACTERISTICS_TARGET; |
| len = t->length + smbios_string_table_len(t->eos); |
| *current += len; |
| return len; |
| } |
| |
| #if !CONFIG_SMBIOS_PROVIDED_BY_MOBO |
| |
| const char *__attribute__((weak)) smbios_mainboard_serial_number(void) |
| { |
| return CONFIG_MAINBOARD_SERIAL_NUMBER; |
| } |
| |
| const char *__attribute__((weak)) smbios_mainboard_version(void) |
| { |
| return CONFIG_MAINBOARD_VERSION; |
| } |
| |
| const char *__attribute__((weak)) smbios_mainboard_manufacturer(void) |
| { |
| return CONFIG_MAINBOARD_SMBIOS_MANUFACTURER; |
| } |
| |
| const char *__attribute__((weak)) smbios_mainboard_product_name(void) |
| { |
| return CONFIG_MAINBOARD_SMBIOS_PRODUCT_NAME; |
| } |
| |
| void __attribute__((weak)) smbios_mainboard_set_uuid(u8 *uuid) |
| { |
| /* leave all zero */ |
| } |
| #endif |
| |
| #ifdef CONFIG_MAINBOARD_FAMILY |
| const char *smbios_mainboard_family(void) |
| { |
| return CONFIG_MAINBOARD_FAMILY; |
| } |
| #endif /* CONFIG_MAINBOARD_FAMILY */ |
| |
| static int smbios_write_type1(unsigned long *current, int handle) |
| { |
| struct smbios_type1 *t = (struct smbios_type1 *)*current; |
| int len = sizeof(struct smbios_type1); |
| |
| memset(t, 0, sizeof(struct smbios_type1)); |
| t->type = SMBIOS_SYSTEM_INFORMATION; |
| t->handle = handle; |
| t->length = len - 2; |
| t->manufacturer = smbios_add_string(t->eos, smbios_mainboard_manufacturer()); |
| t->product_name = smbios_add_string(t->eos, smbios_mainboard_product_name()); |
| t->serial_number = smbios_add_string(t->eos, smbios_mainboard_serial_number()); |
| t->version = smbios_add_string(t->eos, smbios_mainboard_version()); |
| #ifdef CONFIG_MAINBOARD_FAMILY |
| t->family = smbios_add_string(t->eos, smbios_mainboard_family()); |
| #endif |
| smbios_mainboard_set_uuid(t->uuid); |
| len = t->length + smbios_string_table_len(t->eos); |
| *current += len; |
| return len; |
| } |
| |
| static int smbios_write_type2(unsigned long *current, int handle) |
| { |
| struct smbios_type2 *t = (struct smbios_type2 *)*current; |
| int len = sizeof(struct smbios_type2); |
| |
| memset(t, 0, sizeof(struct smbios_type2)); |
| t->type = SMBIOS_BOARD_INFORMATION; |
| t->handle = handle; |
| t->length = len - 2; |
| t->manufacturer = smbios_add_string(t->eos, smbios_mainboard_manufacturer()); |
| t->product_name = smbios_add_string(t->eos, smbios_mainboard_product_name()); |
| t->serial_number = smbios_add_string(t->eos, smbios_mainboard_serial_number()); |
| t->version = smbios_add_string(t->eos, smbios_mainboard_version()); |
| len = t->length + smbios_string_table_len(t->eos); |
| *current += len; |
| return len; |
| } |
| |
| static int smbios_write_type3(unsigned long *current, int handle) |
| { |
| struct smbios_type3 *t = (struct smbios_type3 *)*current; |
| int len = sizeof(struct smbios_type3); |
| |
| memset(t, 0, sizeof(struct smbios_type3)); |
| t->type = SMBIOS_SYSTEM_ENCLOSURE; |
| t->handle = handle; |
| t->length = len - 2; |
| t->manufacturer = smbios_add_string(t->eos, smbios_mainboard_manufacturer()); |
| t->bootup_state = SMBIOS_STATE_SAFE; |
| t->power_supply_state = SMBIOS_STATE_SAFE; |
| t->thermal_state = SMBIOS_STATE_SAFE; |
| if(IS_ENABLED(CONFIG_SYSTEM_TYPE_LAPTOP)) { |
| t->_type = SMBIOS_ENCLOSURE_NOTEBOOK; |
| } else { |
| t->_type = SMBIOS_ENCLOSURE_DESKTOP; |
| } |
| t->security_status = SMBIOS_STATE_SAFE; |
| len = t->length + smbios_string_table_len(t->eos); |
| *current += len; |
| return len; |
| } |
| |
| static int smbios_write_type4(unsigned long *current, int handle) |
| { |
| struct cpuid_result res; |
| struct smbios_type4 *t = (struct smbios_type4 *)*current; |
| int len = sizeof(struct smbios_type4); |
| |
| /* Provide sane defaults even for CPU without CPUID */ |
| res.eax = res.edx = 0; |
| res.ebx = 0x10000; |
| |
| if (cpu_have_cpuid()) { |
| res = cpuid(1); |
| } |
| |
| memset(t, 0, sizeof(struct smbios_type4)); |
| t->type = SMBIOS_PROCESSOR_INFORMATION; |
| t->handle = handle; |
| t->length = len - 2; |
| t->processor_id[0] = res.eax; |
| t->processor_id[1] = res.edx; |
| t->processor_manufacturer = smbios_cpu_vendor(t->eos); |
| t->processor_version = smbios_processor_name(t->eos); |
| t->processor_family = (res.eax > 0) ? 0x0c : 0x6; |
| t->processor_type = 3; /* System Processor */ |
| t->processor_upgrade = 0x06; |
| t->core_count = (res.ebx >> 16) & 0xff; |
| t->l1_cache_handle = 0xffff; |
| t->l2_cache_handle = 0xffff; |
| t->l3_cache_handle = 0xffff; |
| t->processor_upgrade = 1; |
| len = t->length + smbios_string_table_len(t->eos); |
| *current += len; |
| return len; |
| } |
| |
| static int smbios_write_type11(unsigned long *current, int *handle) |
| { |
| struct smbios_type11 *t = (struct smbios_type11 *)*current; |
| int len; |
| struct device *dev; |
| |
| memset(t, 0, sizeof *t); |
| t->type = SMBIOS_OEM_STRINGS; |
| t->handle = *handle; |
| t->length = len = sizeof *t - 2; |
| |
| for(dev = all_devices; dev; dev = dev->next) { |
| if (dev->ops && dev->ops->get_smbios_strings) |
| dev->ops->get_smbios_strings(dev, t); |
| } |
| |
| if (t->count == 0) { |
| memset(t, 0, sizeof *t); |
| return 0; |
| } |
| |
| len += smbios_string_table_len(t->eos); |
| |
| *current += len; |
| (*handle)++; |
| return len; |
| } |
| |
| static int smbios_write_type17(unsigned long *current, int *handle) |
| { |
| int len = sizeof(struct smbios_type17); |
| int i; |
| |
| struct memory_info *meminfo; |
| meminfo = cbmem_find(CBMEM_ID_MEMINFO); |
| if (meminfo == NULL) |
| return 0; /* can't find mem info in cbmem */ |
| |
| printk(BIOS_INFO, "Create SMBIOS type 17\n"); |
| for (i = 0; i < meminfo->dimm_cnt && i < ARRAY_SIZE(meminfo->dimm); i++) { |
| struct dimm_info *dimm; |
| dimm = &meminfo->dimm[i]; |
| len = create_smbios_type17_for_dimm(dimm, current, handle); |
| *current += len; |
| } |
| return meminfo->dimm_cnt * len; |
| } |
| |
| static int smbios_write_type32(unsigned long *current, int handle) |
| { |
| struct smbios_type32 *t = (struct smbios_type32 *)*current; |
| int len = sizeof(struct smbios_type32); |
| |
| memset(t, 0, sizeof(struct smbios_type32)); |
| t->type = SMBIOS_SYSTEM_BOOT_INFORMATION; |
| t->handle = handle; |
| t->length = len - 2; |
| *current += len; |
| return len; |
| } |
| |
| int smbios_write_type41(unsigned long *current, int *handle, |
| const char *name, u8 instance, u16 segment, |
| u8 bus, u8 device, u8 function) |
| { |
| struct smbios_type41 *t = (struct smbios_type41 *)*current; |
| int len = sizeof(struct smbios_type41); |
| |
| memset(t, 0, sizeof(struct smbios_type41)); |
| t->type = SMBIOS_ONBOARD_DEVICES_EXTENDED_INFORMATION; |
| t->handle = *handle; |
| t->length = len - 2; |
| t->reference_designation = smbios_add_string(t->eos, name); |
| t->device_type = SMBIOS_DEVICE_TYPE_OTHER; |
| t->device_status = 1; |
| t->device_type_instance = instance; |
| t->segment_group_number = segment; |
| t->bus_number = bus; |
| t->device_number = device; |
| t->function_number = function; |
| |
| len = t->length + smbios_string_table_len(t->eos); |
| *current += len; |
| *handle += 1; |
| return len; |
| } |
| |
| static int smbios_write_type127(unsigned long *current, int handle) |
| { |
| struct smbios_type127 *t = (struct smbios_type127 *)*current; |
| int len = sizeof(struct smbios_type127); |
| |
| memset(t, 0, sizeof(struct smbios_type127)); |
| t->type = SMBIOS_END_OF_TABLE; |
| t->handle = handle; |
| t->length = len - 2; |
| *current += len; |
| return len; |
| } |
| |
| static int smbios_walk_device_tree(struct device *tree, int *handle, unsigned long *current) |
| { |
| struct device *dev; |
| int len = 0; |
| |
| for(dev = tree; dev; dev = dev->next) { |
| printk(BIOS_INFO, "%s (%s)\n", dev_path(dev), dev_name(dev)); |
| |
| if (dev->ops && dev->ops->get_smbios_data) |
| len += dev->ops->get_smbios_data(dev, handle, current); |
| } |
| return len; |
| } |
| |
| #define update_max(len, max_len, stmt) do { int tmp = stmt; max_len = MAX(max_len, tmp); len += tmp; } while(0) |
| unsigned long smbios_write_tables(unsigned long current) |
| { |
| struct smbios_entry *se; |
| unsigned long tables; |
| int len = 0; |
| int max_struct_size = 0; |
| int handle = 0; |
| |
| current = ALIGN(current, 16); |
| printk(BIOS_DEBUG, "%s: %08lx\n", __func__, current); |
| |
| se = (struct smbios_entry *)current; |
| current += sizeof(struct smbios_entry); |
| current = ALIGN(current, 16); |
| |
| tables = current; |
| update_max(len, max_struct_size, smbios_write_type0(¤t, handle++)); |
| update_max(len, max_struct_size, smbios_write_type1(¤t, handle++)); |
| update_max(len, max_struct_size, smbios_write_type2(¤t, handle++)); |
| update_max(len, max_struct_size, smbios_write_type3(¤t, handle++)); |
| update_max(len, max_struct_size, smbios_write_type4(¤t, handle++)); |
| update_max(len, max_struct_size, smbios_write_type11(¤t, &handle)); |
| #if CONFIG_ELOG |
| update_max(len, max_struct_size, elog_smbios_write_type15(¤t, handle++)); |
| #endif |
| update_max(len, max_struct_size, smbios_write_type17(¤t, &handle)); |
| update_max(len, max_struct_size, smbios_write_type32(¤t, handle++)); |
| |
| update_max(len, max_struct_size, smbios_walk_device_tree(all_devices, &handle, ¤t)); |
| |
| update_max(len, max_struct_size, smbios_write_type127(¤t, handle++)); |
| |
| memset(se, 0, sizeof(struct smbios_entry)); |
| memcpy(se->anchor, "_SM_", 4); |
| se->length = sizeof(struct smbios_entry); |
| se->major_version = 2; |
| se->minor_version = 7; |
| se->max_struct_size = max_struct_size; |
| se->struct_count = handle; |
| memcpy(se->intermediate_anchor_string, "_DMI_", 5); |
| |
| se->struct_table_address = (u32)tables; |
| se->struct_table_length = len; |
| |
| se->intermediate_checksum = smbios_checksum((u8 *)se + 0x10, |
| sizeof(struct smbios_entry) - 0x10); |
| se->checksum = smbios_checksum((u8 *)se, sizeof(struct smbios_entry)); |
| return current; |
| } |