SIL24_PORT_BAR
ata_port_pbar_desc(ap, SIL24_PORT_BAR, sil24_port_offset(ap), "port");
(1 << SIL24_HOST_BAR) | (1 << SIL24_PORT_BAR),
return ap->host->iomap[SIL24_PORT_BAR] + sil24_port_offset(ap);