SCOOP_CDR
iowrite16(0x0000, sdev->base + SCOOP_CDR); /* 04 */
write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
write_scoop_reg(scoop, SCOOP_CDR, 0x0000);
write_scoop_reg(scoop, SCOOP_CDR, 0x0002);