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-rw-r--r--src/drivers/vpd/Kconfig5
-rw-r--r--src/drivers/vpd/Makefile.inc1
-rw-r--r--src/drivers/vpd/vpd_serial.c26
3 files changed, 32 insertions, 0 deletions
diff --git a/src/drivers/vpd/Kconfig b/src/drivers/vpd/Kconfig
index 0b16058006..7d45eb6a85 100644
--- a/src/drivers/vpd/Kconfig
+++ b/src/drivers/vpd/Kconfig
@@ -19,3 +19,8 @@ config VPD_FMAP_SIZE
default 0x4000
help
Size in bytes of the FMAP region created to store VPD tables.
+
+config SMBIOS_SERIAL_FROM_VPD
+ bool "Load device serial from VPD"
+ depends on VPD && GENERATE_SMBIOS_TABLES
+ default n
diff --git a/src/drivers/vpd/Makefile.inc b/src/drivers/vpd/Makefile.inc
index f54c4d0dd9..615e48a18e 100644
--- a/src/drivers/vpd/Makefile.inc
+++ b/src/drivers/vpd/Makefile.inc
@@ -5,3 +5,4 @@ verstage-$(CONFIG_VPD) += vpd_decode.c vpd.c
romstage-$(CONFIG_VPD) += vpd_decode.c vpd.c
postcar-$(CONFIG_VPD) += vpd_decode.c vpd.c
ramstage-$(CONFIG_VPD) += vpd_decode.c vpd.c
+ramstage-$(CONFIG_SMBIOS_SERIAL_FROM_VPD) += vpd_serial.c
diff --git a/src/drivers/vpd/vpd_serial.c b/src/drivers/vpd/vpd_serial.c
new file mode 100644
index 0000000000..528dcbb368
--- /dev/null
+++ b/src/drivers/vpd/vpd_serial.c
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+
+#include <smbios.h>
+
+#include "vpd.h"
+#include "vpd_tables.h"
+
+#define VPD_KEY_SYSTEM_SERIAL "serial_number"
+#define VPD_KEY_MAINBOARD_SERIAL "mlb_serial_number"
+#define VPD_SERIAL_LEN 64
+
+const char *smbios_system_serial_number(void)
+{
+ static char serial[VPD_SERIAL_LEN];
+ if (vpd_gets(VPD_KEY_SYSTEM_SERIAL, serial, VPD_SERIAL_LEN, VPD_RO))
+ return serial;
+ return "";
+}
+
+const char *smbios_mainboard_serial_number(void)
+{
+ static char serial[VPD_SERIAL_LEN];
+ if (vpd_gets(VPD_KEY_MAINBOARD_SERIAL, serial, VPD_SERIAL_LEN, VPD_RO))
+ return serial;
+ return "";
+}