greth_regs *regs = greth->regs;
        greth_bd *rxbd;
        unsigned int status, len = 0, bad;
-       unsigned char *d;
+       char *d;
        int enable = 0;
        int i;
 
                        goto done;
                }
 
-               debug("greth_recv: packet 0x%lx, 0x%lx, len: %d\n",
+               debug("greth_recv: packet 0x%x, 0x%x, len: %d\n",
                       (unsigned int)rxbd, status, status & GRETH_BD_LEN);
 
                /* Check status for errors.
 
        greth->regs = (greth_regs *) apbdev.address;
        greth->irq = apbdev.irq;
-       debug("Found GRETH at 0x%lx, irq %d\n", greth->regs, greth->irq);
+       debug("Found GRETH at %p, irq %d\n", greth->regs, greth->irq);
        dev->priv = (void *)greth;
        dev->iobase = (unsigned int)greth->regs;
        dev->init = greth_init;
        /* initiate PHY, select speed/duplex depending on connected PHY */
        if (greth_init_phy(greth, bis)) {
                /* Failed to init PHY (timedout) */
-               debug("GRETH[0x%08x]: Failed to init PHY\n", greth->regs);
+               debug("GRETH[%p]: Failed to init PHY\n", greth->regs);
                return -1;
        }
 
        /* set and remember MAC address */
        greth_set_hwaddr(greth, addr);
 
-       debug("GRETH[0x%08x]: Initialized successfully\n", greth->regs);
+       debug("GRETH[%p]: Initialized successfully\n", greth->regs);
        return 0;
 }