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authorElyes HAOUAS <ehaouas@noos.fr>2019-02-14 14:19:22 +0100
committerNico Huber <nico.h@gmx.de>2019-02-15 23:22:41 +0000
commit358cbb3a3061cc0cf3c16aebf042061b5c7908ca (patch)
treefe2fe2b965c3a82b29130447f37ee11bbddf66f1 /src
parent1db2346e3fbf9aa52df3593cdcfd3351ffd4419d (diff)
downloadcoreboot-358cbb3a3061cc0cf3c16aebf042061b5c7908ca.tar.xz
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>
Diffstat (limited to 'src')
-rw-r--r--src/arch/x86/smbios.c11
-rw-r--r--src/include/smbios.h1
2 files changed, 8 insertions, 4 deletions
diff --git a/src/arch/x86/smbios.c b/src/arch/x86/smbios.c
index c0545ce779..f816647ee2 100644
--- a/src/arch/x86/smbios.c
+++ b/src/arch/x86/smbios.c
@@ -371,14 +371,17 @@ static int smbios_write_type0(unsigned long *current, int handle)
#endif
#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;
rom_size = MIN(CONFIG_ROM_SIZE, 16 * MiB);
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->bios_characteristics =
BIOS_CHARACTERISTICS_PCI_SUPPORTED |
diff --git a/src/include/smbios.h b/src/include/smbios.h
index 34a3e5b39b..38ebcdcab0 100644
--- a/src/include/smbios.h
+++ b/src/include/smbios.h
@@ -250,6 +250,7 @@ struct smbios_type0 {
u8 system_bios_minor_release;
u8 ec_major_release;
u8 ec_minor_release;
+ u16 extended_bios_rom_size;
u8 eos[2];
} __packed;