REGREAD_2
#define bus_space_read_2(iot, ioh, off) REGREAD_2((ioh), (off))
status = REGREAD_2(addr, 0);
status = REGREAD_2(dst, 0);
status = REGREAD_2(dst, 0);
if (REGREAD_2(base, (0x10 + i) << 1) != idstr[i])
if (REGREAD_2(base, 0x00) != vendor_code[0])
if (REGREAD_2(base, 0x02) != vendor_code[1])
status = REGREAD_2(addr, 0);
#define CS_READ_2(off) REGREAD_2(CS_IO_BASE, (off))
REGREAD_2(CS_IO_BASE, PORT_PKTPG_DATA))