[coreboot-gerrit] New patch to review for coreboot: pcengines/apu2: Add serial number in SMBIOS
Kyösti Mälkki (kyosti.malkki@gmail.com)
gerrit at coreboot.org
Mon Jan 16 21:07:44 CET 2017
Kyösti Mälkki (kyosti.malkki at gmail.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18154
-gerrit
commit 3388bc4e943253f499066742acf383a8b3657cff
Author: Kyösti Mälkki <kyosti.malkki at gmail.com>
Date: Mon Jan 16 19:50:28 2017 +0200
pcengines/apu2: Add serial number in SMBIOS
Change-Id: Ic8149b1dd19d70935e00881cffa7ead0960d1c78
Signed-off-by: Kyösti Mälkki <kyosti.malkki at gmail.com>
---
src/mainboard/pcengines/apu2/mainboard.c | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
diff --git a/src/mainboard/pcengines/apu2/mainboard.c b/src/mainboard/pcengines/apu2/mainboard.c
index 7421355..d2ab638 100644
--- a/src/mainboard/pcengines/apu2/mainboard.c
+++ b/src/mainboard/pcengines/apu2/mainboard.c
@@ -191,6 +191,38 @@ static void mainboard_enable(device_t dev)
}
/*
+ * 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 bar10;
+ 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. */
+ bar10 = pci_read_config32(nic_dev, 0x10);
+ bar10 &= 0xFFFE0000;
+ bar10 += 0x5400;
+ for (i = 3; i < 6; i++) {
+ mac_addr <<= 8;
+ mac_addr |= read8((u8 *)bar10 + i);
+ }
+ mac_addr &= 0x00FFFFFF;
+ mac_addr /= 4;
+ mac_addr -= 64;
+
+ snprintf(serial, sizeof(serial), "%d", mac_addr);
+ return serial;
+}
+
+/*
* We will stuff the memory size into the smbios sku location.
*/
const char *smbios_mainboard_sku(void)
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