PCS_MIICTRL
val = readl(gp->regs + PCS_MIICTRL);
writel(val, gp->regs + PCS_MIICTRL);
while (readl(gp->regs + PCS_MIICTRL) & PCS_MIICTRL_RST) {
val = readl(gp->regs + PCS_MIICTRL);
writel(val, gp->regs + PCS_MIICTRL);