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mb/prodrive/hermes: Use serial numbers from BMC 

The BMC EEPROM layout has been updated to contain system and mainboard
serial numbers. Use these values in SMBIOS Type 1 and Type 2 tables.

Change-Id: I55b51a856b4ad28fd56b02015b2e1d49cd629735
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55275
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Angel Pons 2021-06-07 18:08:23 +02:00 committed by Patrick Georgi
parent f8986a94b1
commit a15dea9ab2
3 changed files with 34 additions and 1 deletions
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1
src/mainboard/prodrive/hermes/Makefile.inc
View File

@ -10,6 +10,7 @@ romstage-y += eeprom.c
ramstage-y += ramstage.c
ramstage-y += mainboard.c
ramstage-y += eeprom.c
ramstage-y += smbios.c
ramstage-$(CONFIG_AZALIA_PLUGIN_SUPPORT) += variants/baseboard/hda_verb.c
ramstage-$(CONFIG_AZALIA_PLUGIN_SUPPORT) += variants/r04/hda_verb.c

28
src/mainboard/prodrive/hermes/smbios.c Normal file
View File

@ -0,0 +1,28 @@
/* SPDX-License-Identifier: GPL-2.0-only */
#include <smbios.h>
#include <types.h>
#include "variants/baseboard/include/eeprom.h"
const char *smbios_system_serial_number(void)
{
const size_t offset = offsetof(struct eeprom_layout, system_serial_number);
static char serial_no[HERMES_SERIAL_NUMBER_LENGTH] = { 0 };
if (eeprom_read_buffer(serial_no, offset, sizeof(serial_no)) == 0)
return serial_no;
else
return CONFIG_MAINBOARD_SERIAL_NUMBER;
}
const char *smbios_mainboard_serial_number(void)
{
const size_t offset = offsetof(struct eeprom_layout, board_serial_number);
static char serial_no[HERMES_SERIAL_NUMBER_LENGTH] = { 0 };
if (eeprom_read_buffer(serial_no, offset, sizeof(serial_no)) == 0)
return serial_no;
else
return CONFIG_MAINBOARD_SERIAL_NUMBER;
}

6
src/mainboard/prodrive/hermes/variants/baseboard/include/eeprom.h
View File

@ -62,6 +62,8 @@ struct __packed eeprom_bmc_settings {
uint8_t hsi;
};
#define HERMES_SERIAL_NUMBER_LENGTH 32
/* The EEPROM on address 0x57 has the following vendor defined layout: */
struct __packed eeprom_layout {
union {
@ -76,7 +78,9 @@ struct __packed eeprom_layout {
uint8_t RawBoardLayout[0x400];
struct eeprom_board_layout BoardLayout;
};
uint8_t BootOrder[0x900];
char system_serial_number[HERMES_SERIAL_NUMBER_LENGTH];
char board_serial_number[HERMES_SERIAL_NUMBER_LENGTH];
uint8_t BootOrder[0x8c0];
union {
uint8_t RawBoardSetting[0xF8];
struct eeprom_board_settings BoardSettings;