diff options
| -rw-r--r-- | src/mainboard/pcengines/apu1/mainboard.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/mainboard/pcengines/apu1/mainboard.c b/src/mainboard/pcengines/apu1/mainboard.c index 6bc94da77b..7d50c6600d 100644 --- a/src/mainboard/pcengines/apu1/mainboard.c +++ b/src/mainboard/pcengines/apu1/mainboard.c @@ -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; |