59 static inline bool ar724x_pci_check_link(struct ar724x_pci_controller *apc)  in ar724x_pci_check_link()  argument
63 	reset = __raw_readl(apc->ctrl_base + AR724X_PCI_REG_RESET);  in ar724x_pci_check_link()
76 static int ar724x_pci_local_write(struct ar724x_pci_controller *apc,  in ar724x_pci_local_write()  argument
85 	if (!apc->link_up)  in ar724x_pci_local_write()
88 	base = apc->crp_base;  in ar724x_pci_local_write()
119 	struct ar724x_pci_controller *apc;  in ar724x_pci_read()  local
123 	apc = pci_bus_to_ar724x_controller(bus);  in ar724x_pci_read()
124 	if (!apc->link_up)  in ar724x_pci_read()
130 	base = apc->devcfg_base;  in ar724x_pci_read()
153 	    apc->bar0_is_cached) {  in ar724x_pci_read()
155 		*value = apc->bar0_value;  in ar724x_pci_read()
166 	struct ar724x_pci_controller *apc;  in ar724x_pci_write()  local
171 	apc = pci_bus_to_ar724x_controller(bus);  in ar724x_pci_write()
172 	if (!apc->link_up)  in ar724x_pci_write()
190 			apc->bar0_is_cached = true;  in ar724x_pci_write()
191 			apc->bar0_value = value;  in ar724x_pci_write()
195 			apc->bar0_is_cached = false;  in ar724x_pci_write()
199 	base = apc->devcfg_base;  in ar724x_pci_write()
234 	struct ar724x_pci_controller *apc;  in ar724x_pci_irq_handler()  local
238 	apc = irq_desc_get_handler_data(desc);  in ar724x_pci_irq_handler()
239 	base = apc->ctrl_base;  in ar724x_pci_irq_handler()
245 		generic_handle_irq(apc->irq_base + 0);  in ar724x_pci_irq_handler()
253 	struct ar724x_pci_controller *apc;  in ar724x_pci_irq_unmask()  local
258 	apc = irq_data_get_irq_chip_data(d);  in ar724x_pci_irq_unmask()
259 	base = apc->ctrl_base;  in ar724x_pci_irq_unmask()
260 	offset = apc->irq_base - d->irq;  in ar724x_pci_irq_unmask()
274 	struct ar724x_pci_controller *apc;  in ar724x_pci_irq_mask()  local
279 	apc = irq_data_get_irq_chip_data(d);  in ar724x_pci_irq_mask()
280 	base = apc->ctrl_base;  in ar724x_pci_irq_mask()
281 	offset = apc->irq_base - d->irq;  in ar724x_pci_irq_mask()
308 static void ar724x_pci_irq_init(struct ar724x_pci_controller *apc,  in ar724x_pci_irq_init()  argument
314 	base = apc->ctrl_base;  in ar724x_pci_irq_init()
319 	apc->irq_base = ATH79_PCI_IRQ_BASE + (id * AR724X_PCI_IRQ_COUNT);  in ar724x_pci_irq_init()
321 	for (i = apc->irq_base;  in ar724x_pci_irq_init()
322 	     i < apc->irq_base + AR724X_PCI_IRQ_COUNT; i++) {  in ar724x_pci_irq_init()
325 		irq_set_chip_data(i, apc);  in ar724x_pci_irq_init()
328 	irq_set_chained_handler_and_data(apc->irq, ar724x_pci_irq_handler,  in ar724x_pci_irq_init()
329 					 apc);  in ar724x_pci_irq_init()
332 static void ar724x_pci_hw_init(struct ar724x_pci_controller *apc)  in ar724x_pci_hw_init()  argument
352 	app = __raw_readl(apc->ctrl_base + AR724X_PCI_REG_APP);  in ar724x_pci_hw_init()
354 	__raw_writel(app, apc->ctrl_base + AR724X_PCI_REG_APP);  in ar724x_pci_hw_init()
360 	} while (wait < 10 && !ar724x_pci_check_link(apc));  in ar724x_pci_hw_init()
365 	struct ar724x_pci_controller *apc;  in ar724x_pci_probe()  local
373 	apc = devm_kzalloc(&pdev->dev, sizeof(struct ar724x_pci_controller),  in ar724x_pci_probe()
375 	if (!apc)  in ar724x_pci_probe()
379 	apc->ctrl_base = devm_ioremap_resource(&pdev->dev, res);  in ar724x_pci_probe()
380 	if (IS_ERR(apc->ctrl_base))  in ar724x_pci_probe()
381 		return PTR_ERR(apc->ctrl_base);  in ar724x_pci_probe()
384 	apc->devcfg_base = devm_ioremap_resource(&pdev->dev, res);  in ar724x_pci_probe()
385 	if (IS_ERR(apc->devcfg_base))  in ar724x_pci_probe()
386 		return PTR_ERR(apc->devcfg_base);  in ar724x_pci_probe()
389 	apc->crp_base = devm_ioremap_resource(&pdev->dev, res);  in ar724x_pci_probe()
390 	if (IS_ERR(apc->crp_base))  in ar724x_pci_probe()
391 		return PTR_ERR(apc->crp_base);  in ar724x_pci_probe()
393 	apc->irq = platform_get_irq(pdev, 0);  in ar724x_pci_probe()
394 	if (apc->irq < 0)  in ar724x_pci_probe()
401 	apc->io_res.parent = res;  in ar724x_pci_probe()
402 	apc->io_res.name = "PCI IO space";  in ar724x_pci_probe()
403 	apc->io_res.start = res->start;  in ar724x_pci_probe()
404 	apc->io_res.end = res->end;  in ar724x_pci_probe()
405 	apc->io_res.flags = IORESOURCE_IO;  in ar724x_pci_probe()
411 	apc->mem_res.parent = res;  in ar724x_pci_probe()
412 	apc->mem_res.name = "PCI memory space";  in ar724x_pci_probe()
413 	apc->mem_res.start = res->start;  in ar724x_pci_probe()
414 	apc->mem_res.end = res->end;  in ar724x_pci_probe()
415 	apc->mem_res.flags = IORESOURCE_MEM;  in ar724x_pci_probe()
417 	apc->pci_controller.pci_ops = &ar724x_pci_ops;  in ar724x_pci_probe()
418 	apc->pci_controller.io_resource = &apc->io_res;  in ar724x_pci_probe()
419 	apc->pci_controller.mem_resource = &apc->mem_res;  in ar724x_pci_probe()
426 		ar724x_pci_hw_init(apc);  in ar724x_pci_probe()
428 	apc->link_up = ar724x_pci_check_link(apc);  in ar724x_pci_probe()
429 	if (!apc->link_up)  in ar724x_pci_probe()
432 	ar724x_pci_irq_init(apc, id);  in ar724x_pci_probe()
434 	ar724x_pci_local_write(apc, PCI_COMMAND, 4, AR724X_PCI_CMD_INIT);  in ar724x_pci_probe()
436 	register_pci_controller(&apc->pci_controller);  in ar724x_pci_probe()