blob: 25a41b53aaed617cc5f177a19bfe9250a56b4a95 [file] [log] [blame]
/*
* 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 <compiler.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 IS_ENABLED(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(u8 *start, const char *str)
{
int i = 1;
char *p = (char *)start;
/*
* Return 0 as required for empty strings.
* See Section 6.1.3 "Text Strings" of the SMBIOS specification.
*/
if (*str == '\0')
return 0;
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(u8 *start)
{
char *p = (char *)start;
int i, len = 0;
while (*p) {
i = strlen(p) + 1;
p += i;
len += i;
}
if (!len)
return 2;
return len + 1;
}
static int smbios_cpu_vendor(u8 *start)
{
if (cpu_have_cpuid()) {
u32 tmp[4];
const struct cpuid_result res = cpuid(0);
tmp[0] = res.ebx;
tmp[1] = res.edx;
tmp[2] = res.ecx;
tmp[3] = 0;
return smbios_add_string(start, (const char *)tmp);
} else {
return smbios_add_string(start, "Unknown");
}
}
static int smbios_processor_name(u8 *start)
{
u32 tmp[13];
const char *str = "Unknown Processor Name";
if (cpu_have_cpuid()) {
int i;
struct cpuid_result res = cpuid(0x80000000);
if (res.eax >= 0x80000004) {
int j = 0;
for (i = 0; i < 3; i++) {
res = cpuid(0x80000002 + i);
tmp[j++] = res.eax;
tmp[j++] = res.ebx;
tmp[j++] = res.ecx;
tmp[j++] = res.edx;
}
tmp[12] = 0;
str = (const char *)tmp;
}
}
return smbios_add_string(start, str);
}
/* 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 0x4304:
t->manufacturer = smbios_add_string(t->eos,
"Ramaxel");
break;
case 0x4f01:
t->manufacturer = smbios_add_string(t->eos,
"Transcend");
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 0xb004:
t->manufacturer = smbios_add_string(t->eos,
"OCZ");
break;
case 0xad80:
t->manufacturer = smbios_add_string(t->eos,
"Hynix/Hyundai");
break;
case 0xb502:
t->manufacturer = smbios_add_string(t->eos,
"SuperTalent");
break;
case 0xcd04:
t->manufacturer = smbios_add_string(t->eos,
"GSkill");
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 void trim_trailing_whitespace(char *buffer, size_t buffer_size)
{
size_t len = strnlen(buffer, buffer_size);
if (len == 0)
return;
for (char *p = buffer + len - 1; p >= buffer; --p) {
if (*p == ' ')
*p = 0;
else
break;
}
}
/** This function will fill the corresponding part number */
static void smbios_fill_dimm_part_number(const char *part_number,
struct smbios_type17 *t)
{
const size_t trimmed_buffer_size = DIMM_INFO_PART_NUMBER_SIZE;
int invalid;
size_t i, len;
char trimmed_part_number[trimmed_buffer_size];
strncpy(trimmed_part_number, part_number, trimmed_buffer_size);
trimmed_part_number[trimmed_buffer_size - 1] = '\0';
/*
* SPD mandates that unused characters be represented with a ' '.
* We don't want to publish the whitespace in the SMBIOS tables.
*/
trim_trailing_whitespace(trimmed_part_number, trimmed_buffer_size);
len = strlen(trimmed_part_number);
invalid = 0; /* assume valid */
for (i = 0; i < len; i++) {
if (trimmed_part_number[i] < ' ') {
invalid = 1;
trimmed_part_number[i] = '*';
}
}
if (len == 0) {
/* Null String in Part Number will have "None" instead. */
t->part_number = smbios_add_string(t->eos, "None");
} else if (invalid) {
char string_buffer[trimmed_buffer_size +
10 /* strlen("Invalid ()") */];
snprintf(string_buffer, sizeof(string_buffer), "Invalid (%s)",
trimmed_part_number);
t->part_number = smbios_add_string(t->eos, string_buffer);
} else {
t->part_number = smbios_add_string(t->eos, trimmed_part_number);
}
}
/* Encodes the SPD serial number into hex */
static void smbios_fill_dimm_serial_number(const struct dimm_info *dimm,
struct smbios_type17 *t)
{
char serial[9];
snprintf(serial, sizeof(serial), "%02hhx%02hhx%02hhx%02hhx",
dimm->serial[0], dimm->serial[1], dimm->serial[2],
dimm->serial[3]);
t->serial_number = smbios_add_string(t->eos, serial);
}
static int create_smbios_type17_for_dimm(struct dimm_info *dimm,
unsigned long *current, int *handle)
{
struct smbios_type17 *t = (struct smbios_type17 *)*current;
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;
if (dimm->dimm_size < 0x7fff) {
t->size = dimm->dimm_size;
} else {
t->size = 0x7fff;
t->extended_size = dimm->dimm_size & 0x7fffffff;
}
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);
smbios_fill_dimm_serial_number(dimm, t);
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 */
dimm->module_part_number[DIMM_INFO_PART_NUMBER_SIZE - 1] = '\0';
smbios_fill_dimm_part_number((char *)dimm->module_part_number, t);
/* 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 *__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 !IS_ENABLED(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 */
/* As a work around to prevent a compiler error, temporarily specify
* 16 MiB flash sizes when ROM size >= 16 MiB. An update is necessary
* once the SMBIOS specification addresses ROM sizes > 16 MiB.
*/
uint32_t rom_size = CONFIG_ROM_SIZE;
rom_size = MIN(CONFIG_ROM_SIZE, 16 * MiB);
t->bios_rom_size = (rom_size / 65535) - 1;
t->system_bios_major_release = 4;
t->bios_characteristics =
BIOS_CHARACTERISTICS_PCI_SUPPORTED |
BIOS_CHARACTERISTICS_SELECTABLE_BOOT |
BIOS_CHARACTERISTICS_UPGRADEABLE;
if (IS_ENABLED(CONFIG_CARDBUS_PLUGIN_SUPPORT))
t->bios_characteristics |= BIOS_CHARACTERISTICS_PC_CARD;
if (IS_ENABLED(CONFIG_HAVE_ACPI_TABLES))
t->bios_characteristics_ext1 = BIOS_EXT1_CHARACTERISTICS_ACPI;
t->bios_characteristics_ext2 = BIOS_EXT2_CHARACTERISTICS_TARGET;
len = t->length + smbios_string_table_len(t->eos);
*current += len;
return len;
}
#if !IS_ENABLED(CONFIG_SMBIOS_PROVIDED_BY_MOBO)
const char *__weak smbios_mainboard_serial_number(void)
{
return CONFIG_MAINBOARD_SERIAL_NUMBER;
}
const char *__weak smbios_mainboard_version(void)
{
return CONFIG_MAINBOARD_VERSION;
}
const char *__weak smbios_mainboard_manufacturer(void)
{
return CONFIG_MAINBOARD_SMBIOS_MANUFACTURER;
}
const char *__weak smbios_mainboard_product_name(void)
{
return CONFIG_MAINBOARD_SMBIOS_PRODUCT_NAME;
}
void __weak smbios_mainboard_set_uuid(u8 *uuid)
{
/* leave all zero */
}
#endif
const char *__weak smbios_mainboard_asset_tag(void)
{
return "";
}
u8 __weak smbios_mainboard_feature_flags(void)
{
return 0;
}
const char *__weak smbios_mainboard_location_in_chassis(void)
{
return "";
}
smbios_board_type __weak smbios_mainboard_board_type(void)
{
return SMBIOS_BOARD_TYPE_UNKNOWN;
}
const char *__weak smbios_mainboard_sku(void)
{
return "";
}
#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->sku = smbios_add_string(t->eos, smbios_mainboard_sku());
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,
const int chassis_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());
t->asset_tag = smbios_add_string(t->eos, smbios_mainboard_asset_tag());
t->feature_flags = smbios_mainboard_feature_flags();
t->location_in_chassis = smbios_add_string(t->eos,
smbios_mainboard_location_in_chassis());
t->board_type = smbios_mainboard_board_type();
t->chassis_handle = chassis_handle;
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;
t->_type = CONFIG_SMBIOS_ENCLOSURE_TYPE;
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 totallen = 0;
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;
totallen += len;
}
return totallen;
}
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(&current,
handle++));
update_max(len, max_struct_size, smbios_write_type1(&current,
handle++));
update_max(len, max_struct_size, smbios_write_type2(&current,
handle, handle + 1)); /* The chassis handle is the next one */
handle++;
update_max(len, max_struct_size, smbios_write_type3(&current,
handle++));
update_max(len, max_struct_size, smbios_write_type4(&current,
handle++));
update_max(len, max_struct_size, smbios_write_type11(&current,
&handle));
if (IS_ENABLED(CONFIG_ELOG))
update_max(len, max_struct_size,
elog_smbios_write_type15(&current,handle++));
update_max(len, max_struct_size, smbios_write_type17(&current,
&handle));
update_max(len, max_struct_size, smbios_write_type32(&current,
handle++));
update_max(len, max_struct_size, smbios_walk_device_tree(all_devices,
&handle, &current));
update_max(len, max_struct_size, smbios_write_type127(&current,
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;
}