GNUBoot
/
coreboot-kgpe-d16
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

pcengines/apu1: Fill serial number in SMBIOS 

Serial number is derived from the MAC address of first NIC.

Change-Id: I91e5555b462cca87d48fb56c83aedd1eb02eba62
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/11901
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins)
This commit is contained in:
Kyösti Mälkki 2015-10-14 22:17:22 +03:00
parent 164dbd6a5c
commit cd32da425c
1 changed files with 33 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
src/mainboard/pcengines/apu1/mainboard.c
View File

@ -30,6 +30,8 @@
#include <northbridge/amd/agesa/BiosCallOuts.h>
#include <cpu/amd/agesa/s3_resume.h>
#include <cpu/amd/mtrr.h>
#include <smbios.h>
#include <string.h>
#include "SBPLATFORM.h"
#include <southbridge/amd/cimx/sb800/pci_devs.h>
#include <northbridge/amd/agesa/family14/pci_devs.h>
@ -189,6 +191,37 @@ static void mainboard_enable(device_t dev)
pirq_setup();
}
/*
* We will stuff a modified version of the first NICs (BDF 1:0.0) MAC address
* into the smbios serial number location.
*/
const char *smbios_mainboard_serial_number(void)
{
static char serial[10];
device_t nic_dev;
uintptr_t bar18;
u32 mac_addr = 0;
int i;
nic_dev = dev_find_slot(1, PCI_DEVFN(0, 0));
if ((serial[0] != 0) || !nic_dev)
return serial;
/* Read in the last 3 bytes of NIC's MAC address. */
bar18 = pci_read_config32(nic_dev, 0x18);
bar18 &= 0xFFFFFC00;
for (i = 3; i < 6; i++) {
mac_addr <<= 8;
mac_addr |= read8((u8 *)bar18 + i);
}
mac_addr &= 0x00FFFFFF;
mac_addr /= 4;
mac_addr -= 64;
snprintf(serial, sizeof(serial), "%d", mac_addr);
return serial;
}
static void mainboard_final(void *chip_info)
{
u32 mmio_base;