diff options
Diffstat (limited to 'src/arch/x86/smbios.c')
| -rw-r--r-- | src/arch/x86/smbios.c | 581 |
1 files changed, 581 insertions, 0 deletions
diff --git a/src/arch/x86/smbios.c b/src/arch/x86/smbios.c new file mode 100644 index 0000000..a1f05da --- /dev/null +++ b/src/arch/x86/smbios.c @@ -0,0 +1,581 @@ +/* + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc. + */ + +#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 0x987f: + t->manufacturer = smbios_add_string(t->eos, + "Hynix"); + 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; +} |
