SCOOP_MCR
mcr = ioread16(sdev->base + SCOOP_MCR);
iowrite16(0x0101, sdev->base + SCOOP_MCR);
iowrite16(0x0140, devptr->base + SCOOP_MCR);
iowrite16(0x0100, sdev->base + SCOOP_MCR); /* 00 */
nmcr = (mcr = read_scoop_reg(scoop, SCOOP_MCR)) & ~0x0010;
write_scoop_reg(scoop, SCOOP_MCR, nmcr);
write_scoop_reg(SCOOP_DEV[skt->nr].dev, SCOOP_MCR, 0x0101);