diff options
| -rw-r--r-- | src/Kconfig | 10 | ||||
| -rw-r--r-- | src/arch/x86/smbios.c | 81 |
2 files changed, 71 insertions, 20 deletions
diff --git a/src/Kconfig b/src/Kconfig index ba9ae86067..c0315239fc 100644 --- a/src/Kconfig +++ b/src/Kconfig @@ -730,6 +730,16 @@ config SMBIOS_ENCLOSURE_TYPE convertible, or tablet enclosure will be used if the appropriate system type is selected. +config VPD_SMBIOS_VERSION + bool "Populates SMBIOS type 0 version from the VPD_RO variable 'firmware_version'" + default n + depends on VPD && GENERATE_SMBIOS_TABLES + help + Selecting this option will read firmware_version from + VPD_RO and override SMBIOS type 0 version. One special + scenario of using this feature is to assign a BIOS version + to a coreboot image without the need to rebuild from source. + endmenu source "payloads/Kconfig" diff --git a/src/arch/x86/smbios.c b/src/arch/x86/smbios.c index 7deac63dd6..f23e1dc3cd 100644 --- a/src/arch/x86/smbios.c +++ b/src/arch/x86/smbios.c @@ -32,6 +32,8 @@ #if CONFIG(CHROMEOS) #include <vendorcode/google/chromeos/gnvs.h> #endif +#include <drivers/vpd/vpd.h> +#include <stdlib.h> #define update_max(len, max_len, stmt) \ do { \ @@ -381,12 +383,64 @@ static int create_smbios_type17_for_dimm(struct dimm_info *dimm, return t->length + smbios_string_table_len(t->eos); } -const char *__weak smbios_mainboard_bios_version(void) +#define VERSION_VPD "firmware_version" +static const char *vpd_get_bios_version(void) +{ + int size; + const char *s; + char *version; + + s = vpd_find(VERSION_VPD, &size, VPD_RO); + if (!s) { + printk(BIOS_ERR, "Find version from VPD %s failed\n", VERSION_VPD); + return NULL; + } + + version = malloc(size + 1); + if (!version) { + printk(BIOS_ERR, "Failed to malloc %d bytes for VPD version\n", size + 1); + return NULL; + } + memcpy(version, s, size); + version[size] = '\0'; + printk(BIOS_DEBUG, "Firmware version %s from VPD %s\n", version, VERSION_VPD); + return version; +} + +static const char *get_bios_version(void) { - if (strlen(CONFIG_LOCALVERSION)) + const char *s; + +#define SPACES \ + " " + + if (CONFIG(CHROMEOS)) + return SPACES; + + if (CONFIG(VPD_SMBIOS_VERSION)) { + s = vpd_get_bios_version(); + if (s != NULL) + return s; + } + + s = smbios_mainboard_bios_version(); + if (s != NULL) + return s; + + if (strlen(CONFIG_LOCALVERSION) != 0) { + printk(BIOS_DEBUG, "BIOS version set to CONFIG_LOCALVERSION: '%s'\n", + CONFIG_LOCALVERSION); return CONFIG_LOCALVERSION; - else - return coreboot_version; + } + + printk(BIOS_DEBUG, "SMBIOS firmware version is set to coreboot_version: '%s'\n", + coreboot_version); + return coreboot_version; +} + +const char *__weak smbios_mainboard_bios_version(void) +{ + return NULL; } static int smbios_write_type0(unsigned long *current, int handle) @@ -400,27 +454,14 @@ static int smbios_write_type0(unsigned long *current, int 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 CONFIG(HAVE_ACPI_TABLES) +#if CONFIG(CHROMEOS) && 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 CONFIG(HAVE_ACPI_TABLES) /* SMBIOS offsets start at 1 rather than 0 */ - chromeos_get_chromeos_acpi()->vbt10 = - (u32)t->eos + (version_offset - 1); + chromeos_get_chromeos_acpi()->vbt10 = (u32)t->eos + (version_offset - 1); #endif -#endif /* CONFIG_CHROMEOS */ - + t->bios_version = smbios_add_string(t->eos, get_bios_version()); uint32_t rom_size = CONFIG_ROM_SIZE; rom_size = MIN(CONFIG_ROM_SIZE, 16 * MiB); t->bios_rom_size = (rom_size / 65535) - 1; |