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
150 	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, 4, &val);  in spear13xx_pcie_establish_link()
168 	dw_pcie_cfg_write(pp->dbi_base, exp_cap_off + PCI_EXP_DEVCTL, 4, 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, 4,  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, 4,  in spear13xx_pcie_establish_link()
192 			dw_pcie_cfg_write(pp->dbi_base, exp_cap_off +  in spear13xx_pcie_establish_link()
204 	while (!dw_pcie_link_up(pp)) {  in spear13xx_pcie_establish_link()
208 			dev_err(pp->dev, "link Fail\n");  in spear13xx_pcie_establish_link()
212 	dev_info(pp->dev, "link up\n");  in spear13xx_pcie_establish_link()
219 	struct pcie_port *pp = arg;  in spear13xx_pcie_irq_handler()  local
220 	struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pp);  in spear13xx_pcie_irq_handler()
229 		dw_handle_msi_irq(pp);  in spear13xx_pcie_irq_handler()
237 static void spear13xx_pcie_enable_interrupts(struct pcie_port *pp)  in spear13xx_pcie_enable_interrupts()  argument
239 	struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pp);  in spear13xx_pcie_enable_interrupts()
244 		dw_pcie_msi_init(pp);  in spear13xx_pcie_enable_interrupts()
250 static int spear13xx_pcie_link_up(struct pcie_port *pp)  in spear13xx_pcie_link_up()  argument
252 	struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pp);  in spear13xx_pcie_link_up()
261 static void spear13xx_pcie_host_init(struct pcie_port *pp)  in spear13xx_pcie_host_init()  argument
263 	spear13xx_pcie_establish_link(pp);  in spear13xx_pcie_host_init()
264 	spear13xx_pcie_enable_interrupts(pp);  in spear13xx_pcie_host_init()
272 static int spear13xx_add_pcie_port(struct pcie_port *pp,  in spear13xx_add_pcie_port()  argument
278 	pp->irq = platform_get_irq(pdev, 0);  in spear13xx_add_pcie_port()
279 	if (!pp->irq) {  in spear13xx_add_pcie_port()
283 	ret = devm_request_irq(dev, pp->irq, spear13xx_pcie_irq_handler,  in spear13xx_add_pcie_port()
285 			       "spear1340-pcie", pp);  in spear13xx_add_pcie_port()
287 		dev_err(dev, "failed to request irq %d\n", pp->irq);  in spear13xx_add_pcie_port()
291 	pp->root_bus_nr = -1;  in spear13xx_add_pcie_port()
292 	pp->ops = &spear13xx_pcie_host_ops;  in spear13xx_add_pcie_port()
294 	ret = dw_pcie_host_init(pp);  in spear13xx_add_pcie_port()
306 	struct pcie_port *pp;  in spear13xx_pcie_probe()  local
339 	pp = &spear13xx_pcie->pp;  in spear13xx_pcie_probe()
341 	pp->dev = dev;  in spear13xx_pcie_probe()
344 	pp->dbi_base = devm_ioremap_resource(dev, dbi_base);  in spear13xx_pcie_probe()
345 	if (IS_ERR(pp->dbi_base)) {  in spear13xx_pcie_probe()
347 		ret = PTR_ERR(pp->dbi_base);  in spear13xx_pcie_probe()
350 	spear13xx_pcie->app_base = pp->dbi_base + 0x2000;  in spear13xx_pcie_probe()
355 	ret = spear13xx_add_pcie_port(pp, pdev);  in spear13xx_pcie_probe()