From ac3aa096c9c2845cfcab7f7fbe50cc56f92a7264 Mon Sep 17 00:00:00 2001 From: Christian Gmeiner Date: Wed, 25 Jul 2012 13:42:40 +0200 Subject: [PATCH] Extend smbios api to allow runtime change of mainboard serial and version This patch extends the current smbios api to allow changing mainboard serial and version during coreboot runtime. This is helpful if you have an EEPROM etc. to access these informations and want to add some quirks for broken hardware revision for the linux kernel. This could be done via DMI_MATCH marco. Change-Id: I1924a56073084e965a23e47873d9f8542070423c Signed-off-by: Christian Gmeiner Reviewed-on: http://review.coreboot.org/1232 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi --- src/arch/x86/boot/smbios.c | 14 ++++++++++++-- src/include/smbios.h | 3 +++ 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/src/arch/x86/boot/smbios.c b/src/arch/x86/boot/smbios.c index 9c61e28dcc..8877f60ea3 100644 --- a/src/arch/x86/boot/smbios.c +++ b/src/arch/x86/boot/smbios.c @@ -163,6 +163,16 @@ static int smbios_write_type0(unsigned long *current, int handle) return len; } +const char *__attribute__((weak)) smbios_mainboard_serial_number(void) +{ + return CONFIG_MAINBOARD_SERIAL_NUMBER; +} + +const char *__attribute__((weak)) smbios_mainboard_version(void) +{ + return CONFIG_MAINBOARD_VERSION; +} + static int smbios_write_type1(unsigned long *current, int handle) { struct smbios_type1 *t = (struct smbios_type1 *)*current; @@ -174,8 +184,8 @@ static int smbios_write_type1(unsigned long *current, int handle) t->length = len - 2; t->manufacturer = smbios_add_string(t->eos, CONFIG_MAINBOARD_VENDOR); t->product_name = smbios_add_string(t->eos, CONFIG_MAINBOARD_PART_NUMBER); - t->serial_number = smbios_add_string(t->eos, CONFIG_MAINBOARD_SERIAL_NUMBER); - t->version = smbios_add_string(t->eos, CONFIG_MAINBOARD_VERSION); + t->serial_number = smbios_add_string(t->eos, smbios_mainboard_serial_number()); + t->version = smbios_add_string(t->eos, smbios_mainboard_version()); len = t->length + smbios_string_table_len(t->eos); *current += len; return len; diff --git a/src/include/smbios.h b/src/include/smbios.h index c65851550a..50bce2a7c6 100644 --- a/src/include/smbios.h +++ b/src/include/smbios.h @@ -7,6 +7,9 @@ unsigned long smbios_write_tables(unsigned long start); int smbios_add_string(char *start, const char *str); int smbios_string_table_len(char *start); +const char *smbios_mainboard_serial_number(void); +const char *smbios_mainboard_version(void); + #define BIOS_CHARACTERISTICS_PCI_SUPPORTED (1 << 7) #define BIOS_CHARACTERISTICS_PC_CARD (1 << 8) #define BIOS_CHARACTERISTICS_PNP (1 << 9)