+#ifdef CONFIG_RANDOM_MACADDR
+void eth_random_enetaddr(uchar *enetaddr)
+{
+ uint32_t rval;
+
+ srand(get_timer(0));
+
+ rval = rand();
+ enetaddr[0] = rval & 0xff;
+ enetaddr[1] = (rval >> 8) & 0xff;
+ enetaddr[2] = (rval >> 16) & 0xff;
+
+ rval = rand();
+ enetaddr[3] = rval & 0xff;
+ enetaddr[4] = (rval >> 8) & 0xff;
+ enetaddr[5] = (rval >> 16) & 0xff;
+
+ /* make sure it's local and unicast */
+ enetaddr[0] = (enetaddr[0] | 0x02) & ~0x01;
+}
+#endif
+