mfsdr
v = mfsdr(DCR_SDR0_AHB_CFG);
v = mfsdr(DCR_SDR0_USB2HOST_CFG);
srst = mfsdr(DCR_SDR0_SRST1);
uint32_t ahbcfg = mfsdr(DCR_SDR0_AHB_CFG);
mfsdr(DCR_SDR0_AHB_CFG));
mfsdr(DCR_SDR0_USB2HOST_CFG));
reg = mfsdr(SATA_PESDR0_PHY_CTL_RST);
reg = mfsdr(SATA_PESDR0_L0CLK);
reg = mfsdr(DCR_SDR0_AHB_CFG); /* errata is lost across the reset */
mtsdr(DCR_SDR0_PFC1, mfsdr(DCR_SDR0_PFC1) | SDR0_PFC1_USBEN);
srst0 = mfsdr(DCR_SDR0_SRST0);
sdr = mfsdr(DCR_SDR0_ETH_CFG);
sdr = mfsdr(DCR_SDR0_MFR);
sdr = mfsdr(DCR_SDR0_ETH_CFG);
sdr = mfsdr(DCR_SDR0_MFR);
sdr = mfsdr(DCR_SDR0_ETH_CFG);
sdr = mfsdr(DCR_SDR0_ETH_CFG);
if ((mfsdr(sc->sc_port ? AMCC460EX_PESDR1_LOOP :