PCIE_CMD_OFF
cmd = readw(base + PCIE_CMD_OFF);
writew(cmd, base + PCIE_CMD_OFF);
cmd = mvebu_readl(port, PCIE_CMD_OFF);
mvebu_writel(port, cmd, PCIE_CMD_OFF);
cmd = mvebu_readl(port, PCIE_CMD_OFF);
mvebu_writel(port, cmd, PCIE_CMD_OFF);
*value = mvebu_readl(port, PCIE_CMD_OFF);
mvebu_writel(port, new, PCIE_CMD_OFF);