55 static inline bool ar724x_pci_check_link(struct ar724x_pci_controller *apc)  in ar724x_pci_check_link()  argument
59 	reset = __raw_readl(apc->ctrl_base + AR724X_PCI_REG_RESET);  in ar724x_pci_check_link()
72 static int ar724x_pci_local_write(struct ar724x_pci_controller *apc,  in ar724x_pci_local_write()  argument
81 	if (!apc->link_up)  in ar724x_pci_local_write()
84 	base = apc->crp_base;  in ar724x_pci_local_write()
115 	struct ar724x_pci_controller *apc;  in ar724x_pci_read()  local
119 	apc = pci_bus_to_ar724x_controller(bus);  in ar724x_pci_read()
120 	if (!apc->link_up)  in ar724x_pci_read()
126 	base = apc->devcfg_base;  in ar724x_pci_read()
149 	    apc->bar0_is_cached) {  in ar724x_pci_read()
151 		*value = apc->bar0_value;  in ar724x_pci_read()
162 	struct ar724x_pci_controller *apc;  in ar724x_pci_write()  local
167 	apc = pci_bus_to_ar724x_controller(bus);  in ar724x_pci_write()
168 	if (!apc->link_up)  in ar724x_pci_write()
186 			apc->bar0_is_cached = true;  in ar724x_pci_write()
187 			apc->bar0_value = value;  in ar724x_pci_write()
191 			apc->bar0_is_cached = false;  in ar724x_pci_write()
195 	base = apc->devcfg_base;  in ar724x_pci_write()
230 	struct ar724x_pci_controller *apc;  in ar724x_pci_irq_handler()  local
234 	apc = irq_desc_get_handler_data(desc);  in ar724x_pci_irq_handler()
235 	base = apc->ctrl_base;  in ar724x_pci_irq_handler()
241 		generic_handle_irq(apc->irq_base + 0);  in ar724x_pci_irq_handler()
249 	struct ar724x_pci_controller *apc;  in ar724x_pci_irq_unmask()  local
254 	apc = irq_data_get_irq_chip_data(d);  in ar724x_pci_irq_unmask()
255 	base = apc->ctrl_base;  in ar724x_pci_irq_unmask()
256 	offset = apc->irq_base - d->irq;  in ar724x_pci_irq_unmask()
270 	struct ar724x_pci_controller *apc;  in ar724x_pci_irq_mask()  local
275 	apc = irq_data_get_irq_chip_data(d);  in ar724x_pci_irq_mask()
276 	base = apc->ctrl_base;  in ar724x_pci_irq_mask()
277 	offset = apc->irq_base - d->irq;  in ar724x_pci_irq_mask()
304 static void ar724x_pci_irq_init(struct ar724x_pci_controller *apc,  in ar724x_pci_irq_init()  argument
310 	base = apc->ctrl_base;  in ar724x_pci_irq_init()
315 	apc->irq_base = ATH79_PCI_IRQ_BASE + (id * AR724X_PCI_IRQ_COUNT);  in ar724x_pci_irq_init()
317 	for (i = apc->irq_base;  in ar724x_pci_irq_init()
318 	     i < apc->irq_base + AR724X_PCI_IRQ_COUNT; i++) {  in ar724x_pci_irq_init()
321 		irq_set_chip_data(i, apc);  in ar724x_pci_irq_init()
324 	irq_set_chained_handler_and_data(apc->irq, ar724x_pci_irq_handler,  in ar724x_pci_irq_init()
325 					 apc);  in ar724x_pci_irq_init()
330 	struct ar724x_pci_controller *apc;  in ar724x_pci_probe()  local
338 	apc = devm_kzalloc(&pdev->dev, sizeof(struct ar724x_pci_controller),  in ar724x_pci_probe()
340 	if (!apc)  in ar724x_pci_probe()
344 	apc->ctrl_base = devm_ioremap_resource(&pdev->dev, res);  in ar724x_pci_probe()
345 	if (IS_ERR(apc->ctrl_base))  in ar724x_pci_probe()
346 		return PTR_ERR(apc->ctrl_base);  in ar724x_pci_probe()
349 	apc->devcfg_base = devm_ioremap_resource(&pdev->dev, res);  in ar724x_pci_probe()
350 	if (IS_ERR(apc->devcfg_base))  in ar724x_pci_probe()
351 		return PTR_ERR(apc->devcfg_base);  in ar724x_pci_probe()
354 	apc->crp_base = devm_ioremap_resource(&pdev->dev, res);  in ar724x_pci_probe()
355 	if (IS_ERR(apc->crp_base))  in ar724x_pci_probe()
356 		return PTR_ERR(apc->crp_base);  in ar724x_pci_probe()
358 	apc->irq = platform_get_irq(pdev, 0);  in ar724x_pci_probe()
359 	if (apc->irq < 0)  in ar724x_pci_probe()
366 	apc->io_res.parent = res;  in ar724x_pci_probe()
367 	apc->io_res.name = "PCI IO space";  in ar724x_pci_probe()
368 	apc->io_res.start = res->start;  in ar724x_pci_probe()
369 	apc->io_res.end = res->end;  in ar724x_pci_probe()
370 	apc->io_res.flags = IORESOURCE_IO;  in ar724x_pci_probe()
376 	apc->mem_res.parent = res;  in ar724x_pci_probe()
377 	apc->mem_res.name = "PCI memory space";  in ar724x_pci_probe()
378 	apc->mem_res.start = res->start;  in ar724x_pci_probe()
379 	apc->mem_res.end = res->end;  in ar724x_pci_probe()
380 	apc->mem_res.flags = IORESOURCE_MEM;  in ar724x_pci_probe()
382 	apc->pci_controller.pci_ops = &ar724x_pci_ops;  in ar724x_pci_probe()
383 	apc->pci_controller.io_resource = &apc->io_res;  in ar724x_pci_probe()
384 	apc->pci_controller.mem_resource = &apc->mem_res;  in ar724x_pci_probe()
386 	apc->link_up = ar724x_pci_check_link(apc);  in ar724x_pci_probe()
387 	if (!apc->link_up)  in ar724x_pci_probe()
390 	ar724x_pci_irq_init(apc, id);  in ar724x_pci_probe()
392 	ar724x_pci_local_write(apc, PCI_COMMAND, 4, AR724X_PCI_CMD_INIT);  in ar724x_pci_probe()
394 	register_pci_controller(&apc->pci_controller);  in ar724x_pci_probe()