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-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;