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SMBIOS: Update BIOS Information (Type 0) to version V3.2.0 

Add Extended BIOS ROM Size field.

Change-Id: Iec35c8c66210f0ddc07a2ca6f976a1f8fc53037d
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/31416
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
This commit is contained in:
Elyes HAOUAS 2019-02-14 14:19:22 +01:00 committed by Nico Huber
parent 1db2346e3f
commit 358cbb3a30
2 changed files with 8 additions and 4 deletions
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11
src/arch/x86/smbios.c
View File

@ -371,14 +371,17 @@ static int smbios_write_type0(unsigned long *current, int handle)
#endif #endif
#endif /* CONFIG_CHROMEOS */ #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; uint32_t rom_size = CONFIG_ROM_SIZE;
rom_size = MIN(CONFIG_ROM_SIZE, 16 * MiB); rom_size = MIN(CONFIG_ROM_SIZE, 16 * MiB);
t->bios_rom_size = (rom_size / 65535) - 1; t->bios_rom_size = (rom_size / 65535) - 1;
if (CONFIG_ROM_SIZE >= 1 * GiB) {
t->extended_bios_rom_size =
DIV_ROUND_UP(CONFIG_ROM_SIZE, GiB) | (1 << 14);
} else {
t->extended_bios_rom_size = DIV_ROUND_UP(CONFIG_ROM_SIZE, MiB);
}
t->system_bios_major_release = 4; t->system_bios_major_release = 4;
t->bios_characteristics = t->bios_characteristics =
BIOS_CHARACTERISTICS_PCI_SUPPORTED | BIOS_CHARACTERISTICS_PCI_SUPPORTED |

1
src/include/smbios.h
View File

@ -250,6 +250,7 @@ struct smbios_type0 {
u8 system_bios_minor_release; u8 system_bios_minor_release;
u8 ec_major_release; u8 ec_major_release;
u8 ec_minor_release; u8 ec_minor_release;
u16 extended_bios_rom_size;
u8 eos[2]; u8 eos[2];
} __packed; } __packed;