ping
Am Mi., 7. Okt. 2020 um 14:33 Uhr schrieb Christian Gmeiner
<christian.gmei...@gmail.com>:
>
> 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.gmei...@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
> --
> 2.28.0
>
--
greets
--
Christian Gmeiner, MSc
https://christian-gmeiner.info/privacypolicy
