+static int get_mac_from_efuse(uint8_t mac[6])
+{
+#ifdef CONFIG_AM33XX
+ struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
+ uint32_t mac_hi, mac_lo;
+
+ mac_lo = readl(&cdev->macid0l);
+ mac_hi = readl(&cdev->macid0h);
+
+ mac[0] = mac_hi & 0xFF;
+ mac[1] = (mac_hi & 0xFF00) >> 8;
+ mac[2] = (mac_hi & 0xFF0000) >> 16;
+ mac[3] = (mac_hi & 0xFF000000) >> 24;
+ mac[4] = mac_lo & 0xFF;
+ mac[5] = (mac_lo & 0xFF00) >> 8;
+#else
+ /* unhandled */
+ memset(mac, 0, 6);
+#endif
+ if (!is_valid_ethaddr(mac)) {
+ puts("Warning: ethaddr not set by FactorySet or E-fuse. ");
+ puts("Set <ethaddr> variable to overcome this.\n");
+ return -1;
+ }
+ return 0;
+}