If u-boot gets used as coreboot payload it might be nice to get vendor, model and bios version from smbios. I am not sure about the output of all the read information.
With qemu target for coreboot this could look this:
CBFS: Found @ offset 14f40 size 3b188 Checking segment from ROM address 0xffc15178 Checking segment from ROM address 0xffc15194 Loading segment from ROM address 0xffc15178 code (compression=1) New segment dstaddr 0x01110000 memsize 0x889ef srcaddr 0xffc151b0 filesize 0x3b150 Loading Segment: addr: 0x01110000 memsz: 0x00000000000889ef filesz: 0x000000000003b150 using LZMA Loading segment from ROM address 0xffc15194 Entry Point 0x01110000 BS: BS_PAYLOAD_LOAD run times (exec / console): 77 / 1 ms Jumping to boot code at 0x01110000(0x07fa7000)
U-Boot 2020.10-00536-g5dcf7cc590-dirty (Oct 07 2020 - 14:21:51 +0200)
CPU: x86_64, vendor AMD, device 663h DRAM: 127.1 MiB MMC: Video: No video mode configured in coreboot! Video: No video mode configured in coreboot! Vendor: QEMU Model: Standard PC (i440FX + PIIX, 1996) Bios Version: 4.12-3152-g326a499f6f-dirty Net: e1000: 52:54:00:12:34:56 eth0: e1000#0 No working controllers found Finalizing coreboot Hit any key to stop autoboot: 0
Signed-off-by: Christian Gmeiner christian.gmeiner@gmail.com --- board/coreboot/coreboot/coreboot.c | 45 ++++++++++++++++++++++++++++++ configs/coreboot_defconfig | 1 + 2 files changed, 46 insertions(+)
diff --git a/board/coreboot/coreboot/coreboot.c b/board/coreboot/coreboot/coreboot.c index b791b82ef4..afb457212a 100644 --- a/board/coreboot/coreboot/coreboot.c +++ b/board/coreboot/coreboot/coreboot.c @@ -4,7 +4,9 @@ */
#include <common.h> +#include <asm/arch/sysinfo.h> #include <init.h> +#include <smbios.h>
int board_early_init_r(void) { @@ -16,3 +18,46 @@ int board_early_init_r(void)
return 0; } + +#ifdef CONFIG_SMBIOS_PARSER +int show_board_info(void) +{ + const struct smbios_entry *smbios = smbios_entry(lib_sysinfo.smbios_start, lib_sysinfo.smbios_size); + + if (!smbios) + goto fallback; + + const struct smbios_header *bios = smbios_header(smbios, SMBIOS_BIOS_INFORMATION); + const struct smbios_header *system = smbios_header(smbios, SMBIOS_SYSTEM_INFORMATION); + const struct smbios_type0 *t0 = (struct smbios_type0 *)bios; + const struct smbios_type1 *t1 = (struct smbios_type1 *)system; + + if (!t0 || !t1) + goto fallback; + + const char *bios_ver = smbios_string(bios, t0->bios_ver); + const char *model = smbios_string(system, t1->product_name); + const char *manufacturer = smbios_string(system, t1->manufacturer); + + if (!model || !manufacturer || !bios_ver) + goto fallback; + + printf("Vendor: %s\n", manufacturer); + printf("Model: %s\n", model); + printf("Bios Version: %s\n", bios_ver); + + return 0; + +fallback: +#ifdef CONFIG_OF_CONTROL + DECLARE_GLOBAL_DATA_PTR; + + model = fdt_getprop(gd->fdt_blob, 0, "model", NULL); + + if (model) + printf("Model: %s\n", model); +#endif + + return checkboard(); +} +#endif diff --git a/configs/coreboot_defconfig b/configs/coreboot_defconfig index 3249b2fb2f..501a20e790 100644 --- a/configs/coreboot_defconfig +++ b/configs/coreboot_defconfig @@ -43,3 +43,4 @@ CONFIG_SOUND=y CONFIG_SOUND_I8254=y CONFIG_CONSOLE_SCROLL_LINES=5 # CONFIG_GZIP is not set +CONFIG_SMBIOS_PARSER=y