HARD_DEBUG
tmp = readl(base + HARD_DEBUG(pcie));
writel(tmp, base + HARD_DEBUG(pcie));
clkreq_cntl = readl(pcie->base + HARD_DEBUG(pcie));
writel(clkreq_cntl, pcie->base + HARD_DEBUG(pcie));
tmp = readl(base + HARD_DEBUG(pcie));
writel(tmp, base + HARD_DEBUG(pcie));
tmp = readl(base + HARD_DEBUG(pcie));
writel(tmp, base + HARD_DEBUG(pcie));