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authorWim Vervoorn <wvervoorn@eltan.com>2020-02-04 13:21:41 +0100
committerPatrick Georgi <pgeorgi@google.com>2020-02-18 15:31:26 +0000
commit5bf7b1ac69e796ff508325eab2b8c27cc782372d (patch)
treedb51e41ec0ff51d14600446b6042131641cbde62 /src/mainboard
parent2e7c2cef15c88f000380668e8948e71b7d8d7f75 (diff)
downloadcoreboot-5bf7b1ac69e796ff508325eab2b8c27cc782372d.tar.xz
mb/facebook/monolith: Use serial number and UUID from VPD
The serial number and UUID returned by DMI are retrieved from VPD. The solution supports a 16 character "serial_number" and a 36 character "UUID" string. BUG=N/A TEST=tested on monolith Change-Id: I0b6ce769cfa81a1e248a35f6149b7d1bbcf1f836 Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/38753 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/facebook/monolith/ramstage.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/mainboard/facebook/monolith/ramstage.c b/src/mainboard/facebook/monolith/ramstage.c
index bed104956f..05cbf31adc 100644
--- a/src/mainboard/facebook/monolith/ramstage.c
+++ b/src/mainboard/facebook/monolith/ramstage.c
@@ -14,7 +14,14 @@
* GNU General Public License for more details.
*/
+#include <stdint.h>
+#include <console/console.h>
+#include <drivers/vpd/vpd.h>
+#include <lib.h>
+#include <smbios.h>
#include <soc/ramstage.h>
+#include <uuid.h>
+
#include "gpio.h"
void mainboard_silicon_init_params(FSP_SIL_UPD *params)
@@ -24,3 +31,30 @@ void mainboard_silicon_init_params(FSP_SIL_UPD *params)
gpio_configure_pads(gpio_table, ARRAY_SIZE(gpio_table));
params->CdClock = 3;
}
+
+#define VPD_KEY_SERIAL "serial_number"
+#define VPD_KEY_UUID "UUID"
+#define VPD_SERIAL_LEN 17
+
+const char *smbios_system_serial_number(void)
+{
+ static char serial[VPD_SERIAL_LEN];
+
+ if (vpd_gets(VPD_KEY_SERIAL, serial, VPD_SERIAL_LEN, VPD_RO))
+ return serial;
+
+ printk(BIOS_ERR, "serial_number could not be read or invalid.\n");
+ return "";
+}
+
+void smbios_system_set_uuid(u8 *uuid)
+{
+ static char vpd_uuid_string[UUID_STRLEN+1];
+
+ if (vpd_gets(VPD_KEY_UUID, vpd_uuid_string, UUID_STRLEN+1, VPD_RO))
+ if (!parse_uuid(uuid, vpd_uuid_string))
+ return;
+
+ memset(uuid, 0, UUID_LEN);
+ printk(BIOS_ERR, "UUID could not be read or invalid.\n");
+}