AHCI_PORT_PHY2_CFG
writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);
writel(AHCI_PORT_PHY2_CFG, reg_base + PORT_PHY2);