CR_START
__combo_phy_reg_write(sata_port, SERDES_CR_CTL, CR_START);
__combo_phy_reg_write(sata_port, SERDES_CR_CTL, CR_WR_RDN | CR_START);
reg_update_bits(d->regs, DMA2D_CR_REG, CR_START, CR_START);
if ((a & 0xf000) == CR_START)
#define CTL_REG(offset) ((zd_addr_t)(CR_START + (offset)))