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: 'Master Header Locator' located CBFS at [7a0200:800000) CBFS: Locating 'fallback/payload' CBFS: Found @ offset 13000 size 36ae4 Checking segment from ROM address 0xfffb3238 Checking segment from ROM address 0xfffb3254 Loading segment from ROM address 0xfffb3238 code (compression=1) New segment dstaddr 0x01110000 memsize 0x7c7bb srcaddr 0xfffb3270 filesize 0x36aac Loading Segment: addr: 0x01110000 memsz: 0x000000000007c7bb filesz: 0x0000000000036aac using LZMA Loading segment from ROM address 0xfffb3254 Entry Point 0x01110015 Jumping to boot code at 01110015(07fa8000)
U-Boot 2019.04-00337-ga602a0489f-dirty (Apr 16 2019 - 13:30:50 +0200)
CPU: x86, vendor Intel, device 663h DRAM: 127.4 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: 4.9-1324-ge2f0a5f76c-dirty Net: e1000: 52:54:00:12:34:56
Warning: e1000#0 using MAC address from ROM 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 | 47 ++++++++++++++++++++++++++++++ configs/coreboot_defconfig | 1 + 2 files changed, 48 insertions(+)
diff --git a/board/coreboot/coreboot/coreboot.c b/board/coreboot/coreboot/coreboot.c index ed5606d4a4..12b3eef52f 100644 --- a/board/coreboot/coreboot/coreboot.c +++ b/board/coreboot/coreboot/coreboot.c @@ -4,6 +4,53 @@ */
#include <common.h> +#include <smbios.h> + +int show_board_info(void) +{ + struct smbios_parser *p = smbios_parser_create(0xF0000, 0x10000); + + if (!p) + goto fallback; + + const struct smbios_header *bios = smbios_header(p, SMBIOS_BIOS_INFORMATION); + const struct smbios_header *system = smbios_header(p, 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); + + smbios_parser_destroy(p); + + return 0; + +fallback: + + smbios_parser_destroy(p); + +#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(); +}
int board_early_init_r(void) { diff --git a/configs/coreboot_defconfig b/configs/coreboot_defconfig index 2795fe97ca..9f4a1473fa 100644 --- a/configs/coreboot_defconfig +++ b/configs/coreboot_defconfig @@ -39,3 +39,4 @@ CONFIG_SYSCON=y CONFIG_SOUND=y CONFIG_SOUND_I8254=y CONFIG_CONSOLE_SCROLL_LINES=5 +CONFIG_SMBIOS_PARSER=y