PORT_RD_8
val = PORT_RD_8(sc, BGX_GMP_GMI_TX_APPEND);
val = PORT_RD_8(sc, BGX_GMP_GMI_TX_SGMII_CTL);
val = PORT_RD_8(sc, BGX_GMP_PCS_LINK_TIMER);
val = PORT_RD_8(sc, BGX_GMP_GMI_PRT_CFG);
val = PORT_RD_8(sc, BGX_GMP_PCS_MR_CONTROL);
misc_ctl = PORT_RD_8(sc, BGX_GMP_PCS_MISC_CTL);
val = PORT_RD_8(sc, BGX_CMR_CONFIG);
val = PORT_RD_8(sc, BGX_GMP_PCS_MR_CONTROL);
val = PORT_RD_8(sc, BGX_GMP_PCS_MR_CONTROL);
val = PORT_RD_8(sc, BGX_GMP_PCS_MISC_CTL);
val = PORT_RD_8(sc, BGX_GMP_PCS_MR_CONTROL);
val = PORT_RD_8(sc, BGX_GMP_PCS_MR_STATUS);
config = PORT_RD_8(sc, BGX_CMR_CONFIG);
(void)PORT_RD_8(sc, BGX_CMR_CONFIG);
prt_cfg = PORT_RD_8(sc, BGX_GMP_GMI_PRT_CFG);
misc_ctl = PORT_RD_8(sc, BGX_GMP_PCS_MISC_CTL);
(void)PORT_RD_8(sc, BGX_GMP_PCS_MISC_CTL);
(void)PORT_RD_8(sc, BGX_GMP_GMI_PRT_CFG);
config = PORT_RD_8(sc, BGX_CMR_CONFIG);
(void)PORT_RD_8(sc, BGX_CMR_CONFIG);
val = PORT_RD_8(sc, c->c_reg);
val = PORT_RD_8(sc, BGX_CMR_RX_ID_MAP);
val = PORT_RD_8(sc, BGX_CMR_CHAN_MSK_AND);
val = PORT_RD_8(sc, BGX_CMR_CHAN_MSK_OR);
val = PORT_RD_8(sc, BGX_CMR_CONFIG);
val = PORT_RD_8(sc, BGX_CMR_CONFIG);
(void)PORT_RD_8(sc, BGX_CMR_CONFIG);
rx_adr_ctl = PORT_RD_8(sc, BGX_CMR_RX_ADR_CTL);