* enc_miiphy_read(), enc_miiphy_write(), enc_write_hwaddr(),
* enc_init(), enc_recv(), enc_send(), enc_halt()
* ALL other functions assume that the bus has already been claimed!
* enc_miiphy_read(), enc_miiphy_write(), enc_write_hwaddr(),
* enc_init(), enc_recv(), enc_send(), enc_halt()
* ALL other functions assume that the bus has already been claimed!