75 	struct iproc_pcie *pcie = sys_to_pcie(sys);  in iproc_pcie_map_cfg_bus()  local
86 		       pcie->base + CFG_IND_ADDR_OFFSET);  in iproc_pcie_map_cfg_bus()
87 		return (pcie->base + CFG_IND_DATA_OFFSET);  in iproc_pcie_map_cfg_bus()
99 	writel(val, pcie->base + CFG_ADDR_OFFSET);  in iproc_pcie_map_cfg_bus()
101 	return (pcie->base + CFG_DATA_OFFSET);  in iproc_pcie_map_cfg_bus()
110 static void iproc_pcie_reset(struct iproc_pcie *pcie)  in iproc_pcie_reset()  argument
119 	writel(val, pcie->base + CLK_CONTROL_OFFSET);  in iproc_pcie_reset()
122 	writel(val, pcie->base + CLK_CONTROL_OFFSET);  in iproc_pcie_reset()
126 static int iproc_pcie_check_link(struct iproc_pcie *pcie, struct pci_bus *bus)  in iproc_pcie_check_link()  argument
136 		dev_err(pcie->dev, "in EP mode, hdr=%#02x\n", hdr_type);  in iproc_pcie_check_link()
176 	dev_info(pcie->dev, "link: %s\n", link_is_active ? "UP" : "DOWN");  in iproc_pcie_check_link()
181 static void iproc_pcie_enable(struct iproc_pcie *pcie)  in iproc_pcie_enable()  argument
183 	writel(SYS_RC_INTX_MASK, pcie->base + SYS_RC_INTX_EN);  in iproc_pcie_enable()
186 int iproc_pcie_setup(struct iproc_pcie *pcie)  in iproc_pcie_setup()  argument
191 	if (!pcie || !pcie->dev || !pcie->base)  in iproc_pcie_setup()
194 	if (pcie->phy) {  in iproc_pcie_setup()
195 		ret = phy_init(pcie->phy);  in iproc_pcie_setup()
197 			dev_err(pcie->dev, "unable to initialize PCIe PHY\n");  in iproc_pcie_setup()
201 		ret = phy_power_on(pcie->phy);  in iproc_pcie_setup()
203 			dev_err(pcie->dev, "unable to power on PCIe PHY\n");  in iproc_pcie_setup()
209 	iproc_pcie_reset(pcie);  in iproc_pcie_setup()
211 	pcie->sysdata.private_data = pcie;  in iproc_pcie_setup()
213 	bus = pci_create_root_bus(pcie->dev, 0, &iproc_pcie_ops,  in iproc_pcie_setup()
214 				  &pcie->sysdata, pcie->resources);  in iproc_pcie_setup()
216 		dev_err(pcie->dev, "unable to create PCI root bus\n");  in iproc_pcie_setup()
220 	pcie->root_bus = bus;  in iproc_pcie_setup()
222 	ret = iproc_pcie_check_link(pcie, bus);  in iproc_pcie_setup()
224 		dev_err(pcie->dev, "no PCIe EP device detected\n");  in iproc_pcie_setup()
228 	iproc_pcie_enable(pcie);  in iproc_pcie_setup()
242 	if (pcie->phy)  in iproc_pcie_setup()
243 		phy_power_off(pcie->phy);  in iproc_pcie_setup()
245 	if (pcie->phy)  in iproc_pcie_setup()
246 		phy_exit(pcie->phy);  in iproc_pcie_setup()
252 int iproc_pcie_remove(struct iproc_pcie *pcie)  in iproc_pcie_remove()  argument
254 	pci_stop_root_bus(pcie->root_bus);  in iproc_pcie_remove()
255 	pci_remove_root_bus(pcie->root_bus);  in iproc_pcie_remove()
257 	if (pcie->phy) {  in iproc_pcie_remove()
258 		phy_power_off(pcie->phy);  in iproc_pcie_remove()
259 		phy_exit(pcie->phy);  in iproc_pcie_remove()