FEC_ATIME_CTRL
tempval = readl(fep->hwp + FEC_ATIME_CTRL);
writel(tempval, fep->hwp + FEC_ATIME_CTRL);
val = readl(fep->hwp + FEC_ATIME_CTRL);
writel(val, fep->hwp + FEC_ATIME_CTRL);
temp_val = readl(fep->hwp + FEC_ATIME_CTRL);
writel(temp_val, fep->hwp + FEC_ATIME_CTRL);
fep->hwp + FEC_ATIME_CTRL);