diff options
Diffstat (limited to 'src/mainboard/pcengines/apu1/mainboard.c')
| -rw-r--r-- | src/mainboard/pcengines/apu1/mainboard.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/mainboard/pcengines/apu1/mainboard.c b/src/mainboard/pcengines/apu1/mainboard.c index e5e30e031c..088c839239 100644 --- a/src/mainboard/pcengines/apu1/mainboard.c +++ b/src/mainboard/pcengines/apu1/mainboard.c @@ -206,17 +206,23 @@ static void mainboard_enable(struct device *dev) const char *smbios_mainboard_serial_number(void) { static char serial[10]; - struct device *nic_dev; + struct device *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) + /* Already initialized. */ + if (serial[0] != 0) + return serial; + + dev = pcidev_on_root(4, 0); + if (dev) + dev = pcidev_path_behind(dev->link_list, PCI_DEVFN(0, 0)); + if (!dev) return serial; /* Read in the last 3 bytes of NIC's MAC address. */ - bar18 = pci_read_config32(nic_dev, 0x18); + bar18 = pci_read_config32(dev, 0x18); bar18 &= 0xFFFFFC00; for (i = 3; i < 6; i++) { mac_addr <<= 8; |