VR_CTRL1
VR_PUT8(vrp->acc_io, VR_CTRL1, VR_CTRL1_RESET);
} while ((VR_GET8(vrp->acc_io, VR_CTRL1) & VR_CTRL1_RESET) != 0);
VR_SETBIT8(vrp->acc_reg, VR_CTRL1, VR_CTRL1_NOAUTOPOLL);
VR_SETBIT8(vrp->acc_reg, VR_CTRL1, VR_CTRL1_MACFULLDUPLEX);
VR_CLRBIT8(vrp->acc_reg, VR_CTRL1, VR_CTRL1_MACFULLDUPLEX);