VR_MIIADDR
miiaddr = VR_GET8(vrp->acc_reg, VR_MIIADDR);
miiaddr = VR_GET8(vrp->acc_reg, VR_MIIADDR);
VR_PUT8(vrp->acc_reg, VR_MIIADDR, MII_STATUS|VR_MIIADDR_MAUTO);
} while ((VR_GET8(vrp->acc_reg, VR_MIIADDR) & VR_MIIADDR_MDONE) == 0);
VR_SETBIT8(vrp->acc_reg, VR_MIIADDR, VR_MIIADDR_MAUTO);
VR_SETBITS8(vrp->acc_reg, VR_MIIADDR, VR_MIIADDR_BITS, offset);
VR_SETBITS8(vrp->acc_reg, VR_MIIADDR, VR_MIIADDR_BITS, offset);