32 	struct pcie_port	pp;  member
144 #define to_spear13xx_pcie(x)	container_of(x, struct spear13xx_pcie, pp)
146 static int spear13xx_pcie_establish_link(struct pcie_port *pp)  in spear13xx_pcie_establish_link()  argument
149 	struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pp);  in spear13xx_pcie_establish_link()
154 	if (dw_pcie_link_up(pp)) {  in spear13xx_pcie_establish_link()
155 		dev_err(pp->dev, "link already up\n");  in spear13xx_pcie_establish_link()
159 	dw_pcie_setup_rc(pp);  in spear13xx_pcie_establish_link()
166 	dw_pcie_cfg_read(pp->dbi_base + exp_cap_off + PCI_EXP_DEVCTL, 2, &val);  in spear13xx_pcie_establish_link()
168 	dw_pcie_cfg_write(pp->dbi_base + exp_cap_off + PCI_EXP_DEVCTL, 2, val);  in spear13xx_pcie_establish_link()
170 	dw_pcie_cfg_write(pp->dbi_base + PCI_VENDOR_ID, 2, 0x104A);  in spear13xx_pcie_establish_link()
171 	dw_pcie_cfg_write(pp->dbi_base + PCI_DEVICE_ID, 2, 0xCD80);  in spear13xx_pcie_establish_link()
178 		dw_pcie_cfg_read(pp->dbi_base + exp_cap_off + PCI_EXP_LNKCAP,  in spear13xx_pcie_establish_link()
183 			dw_pcie_cfg_write(pp->dbi_base + exp_cap_off +  in spear13xx_pcie_establish_link()
187 		dw_pcie_cfg_read(pp->dbi_base + exp_cap_off + PCI_EXP_LNKCTL2,  in spear13xx_pcie_establish_link()
192 			dw_pcie_cfg_write(pp->dbi_base + exp_cap_off +  in spear13xx_pcie_establish_link()
205 		if (dw_pcie_link_up(pp)) {  in spear13xx_pcie_establish_link()
206 			dev_info(pp->dev, "link up\n");  in spear13xx_pcie_establish_link()
212 	dev_err(pp->dev, "link Fail\n");  in spear13xx_pcie_establish_link()
218 	struct pcie_port *pp = arg;  in spear13xx_pcie_irq_handler()  local
219 	struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pp);  in spear13xx_pcie_irq_handler()
227 		dw_handle_msi_irq(pp);  in spear13xx_pcie_irq_handler()
235 static void spear13xx_pcie_enable_interrupts(struct pcie_port *pp)  in spear13xx_pcie_enable_interrupts()  argument
237 	struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pp);  in spear13xx_pcie_enable_interrupts()
242 		dw_pcie_msi_init(pp);  in spear13xx_pcie_enable_interrupts()
248 static int spear13xx_pcie_link_up(struct pcie_port *pp)  in spear13xx_pcie_link_up()  argument
250 	struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pp);  in spear13xx_pcie_link_up()
259 static void spear13xx_pcie_host_init(struct pcie_port *pp)  in spear13xx_pcie_host_init()  argument
261 	spear13xx_pcie_establish_link(pp);  in spear13xx_pcie_host_init()
262 	spear13xx_pcie_enable_interrupts(pp);  in spear13xx_pcie_host_init()
270 static int spear13xx_add_pcie_port(struct pcie_port *pp,  in spear13xx_add_pcie_port()  argument
276 	pp->irq = platform_get_irq(pdev, 0);  in spear13xx_add_pcie_port()
277 	if (!pp->irq) {  in spear13xx_add_pcie_port()
281 	ret = devm_request_irq(dev, pp->irq, spear13xx_pcie_irq_handler,  in spear13xx_add_pcie_port()
283 			       "spear1340-pcie", pp);  in spear13xx_add_pcie_port()
285 		dev_err(dev, "failed to request irq %d\n", pp->irq);  in spear13xx_add_pcie_port()
289 	pp->root_bus_nr = -1;  in spear13xx_add_pcie_port()
290 	pp->ops = &spear13xx_pcie_host_ops;  in spear13xx_add_pcie_port()
292 	ret = dw_pcie_host_init(pp);  in spear13xx_add_pcie_port()
304 	struct pcie_port *pp;  in spear13xx_pcie_probe()  local
337 	pp = &spear13xx_pcie->pp;  in spear13xx_pcie_probe()
339 	pp->dev = dev;  in spear13xx_pcie_probe()
342 	pp->dbi_base = devm_ioremap_resource(dev, dbi_base);  in spear13xx_pcie_probe()
343 	if (IS_ERR(pp->dbi_base)) {  in spear13xx_pcie_probe()
345 		ret = PTR_ERR(pp->dbi_base);  in spear13xx_pcie_probe()
348 	spear13xx_pcie->app_base = pp->dbi_base + 0x2000;  in spear13xx_pcie_probe()
353 	ret = spear13xx_add_pcie_port(pp, pdev);  in spear13xx_pcie_probe()