181 static int faraday_raw_pci_read_config(struct faraday_pci *p, int bus_number,  in faraday_raw_pci_read_config()  argument
187 			p->base + FTPCI_CONFIG);  in faraday_raw_pci_read_config()
189 	*value = readl(p->base + FTPCI_DATA);  in faraday_raw_pci_read_config()
202 	struct faraday_pci *p = bus->sysdata;  in faraday_pci_read_config()  local
208 	return faraday_raw_pci_read_config(p, bus->number, fn, config, size, value);  in faraday_pci_read_config()
211 static int faraday_raw_pci_write_config(struct faraday_pci *p, int bus_number,  in faraday_raw_pci_write_config()  argument
219 			p->base + FTPCI_CONFIG);  in faraday_raw_pci_write_config()
223 		writel(value, p->base + FTPCI_DATA);  in faraday_raw_pci_write_config()
226 		writew(value, p->base + FTPCI_DATA + (config & 3));  in faraday_raw_pci_write_config()
229 		writeb(value, p->base + FTPCI_DATA + (config & 3));  in faraday_raw_pci_write_config()
241 	struct faraday_pci *p = bus->sysdata;  in faraday_pci_write_config()  local
247 	return faraday_raw_pci_write_config(p, bus->number, fn, config, size,  in faraday_pci_write_config()
258 	struct faraday_pci *p = irq_data_get_irq_chip_data(d);  in faraday_pci_ack_irq()  local
261 	faraday_raw_pci_read_config(p, 0, 0, FARADAY_PCI_CTRL2, 4, &reg);  in faraday_pci_ack_irq()
264 	faraday_raw_pci_write_config(p, 0, 0, FARADAY_PCI_CTRL2, 4, reg);  in faraday_pci_ack_irq()
269 	struct faraday_pci *p = irq_data_get_irq_chip_data(d);  in faraday_pci_mask_irq()  local
272 	faraday_raw_pci_read_config(p, 0, 0, FARADAY_PCI_CTRL2, 4, &reg);  in faraday_pci_mask_irq()
275 	faraday_raw_pci_write_config(p, 0, 0, FARADAY_PCI_CTRL2, 4, reg);  in faraday_pci_mask_irq()
280 	struct faraday_pci *p = irq_data_get_irq_chip_data(d);  in faraday_pci_unmask_irq()  local
283 	faraday_raw_pci_read_config(p, 0, 0, FARADAY_PCI_CTRL2, 4, &reg);  in faraday_pci_unmask_irq()
286 	faraday_raw_pci_write_config(p, 0, 0, FARADAY_PCI_CTRL2, 4, reg);  in faraday_pci_unmask_irq()
291 	struct faraday_pci *p = irq_desc_get_handler_data(desc);  in faraday_pci_irq_handler()  local
295 	faraday_raw_pci_read_config(p, 0, 0, FARADAY_PCI_CTRL2, 4, &reg);  in faraday_pci_irq_handler()
303 		generic_handle_domain_irq(p->irqdomain, i);  in faraday_pci_irq_handler()
329 static int faraday_pci_setup_cascaded_irq(struct faraday_pci *p)  in faraday_pci_setup_cascaded_irq()  argument
331 	struct device_node *intc = of_get_next_child(p->dev->of_node, NULL);  in faraday_pci_setup_cascaded_irq()
336 		dev_err(p->dev, "missing child interrupt-controller node\n");  in faraday_pci_setup_cascaded_irq()
343 		dev_err(p->dev, "failed to get parent IRQ\n");  in faraday_pci_setup_cascaded_irq()
348 	p->irqdomain = irq_domain_add_linear(intc, PCI_NUM_INTX,  in faraday_pci_setup_cascaded_irq()
349 					     &faraday_pci_irqdomain_ops, p);  in faraday_pci_setup_cascaded_irq()
351 	if (!p->irqdomain) {  in faraday_pci_setup_cascaded_irq()
352 		dev_err(p->dev, "failed to create Gemini PCI IRQ domain\n");  in faraday_pci_setup_cascaded_irq()
356 	irq_set_chained_handler_and_data(irq, faraday_pci_irq_handler, p);  in faraday_pci_setup_cascaded_irq()
359 		irq_create_mapping(p->irqdomain, i);  in faraday_pci_setup_cascaded_irq()
364 static int faraday_pci_parse_map_dma_ranges(struct faraday_pci *p)  in faraday_pci_parse_map_dma_ranges()  argument
366 	struct device *dev = p->dev;  in faraday_pci_parse_map_dma_ranges()
367 	struct pci_host_bridge *bridge = pci_host_bridge_from_priv(p);  in faraday_pci_parse_map_dma_ranges()
393 			faraday_raw_pci_write_config(p, 0, 0, confreg[i],  in faraday_pci_parse_map_dma_ranges()
412 	struct faraday_pci *p;  in faraday_pci_probe()  local
421 	host = devm_pci_alloc_host_bridge(dev, sizeof(*p));  in faraday_pci_probe()
426 	p = pci_host_bridge_priv(host);  in faraday_pci_probe()
427 	host->sysdata = p;  in faraday_pci_probe()
428 	p->dev = dev;  in faraday_pci_probe()
434 	p->bus_clk = devm_clk_get_enabled(dev, "PCICLK");  in faraday_pci_probe()
435 	if (IS_ERR(p->bus_clk))  in faraday_pci_probe()
436 		return PTR_ERR(p->bus_clk);  in faraday_pci_probe()
438 	p->base = devm_platform_ioremap_resource(pdev, 0);  in faraday_pci_probe()
439 	if (IS_ERR(p->base))  in faraday_pci_probe()
440 		return PTR_ERR(p->base);  in faraday_pci_probe()
448 			writel(val, p->base + FTPCI_IOSIZE);  in faraday_pci_probe()
456 	val = readl(p->base + FTPCI_CTRL);  in faraday_pci_probe()
460 	writel(val, p->base + FTPCI_CTRL);  in faraday_pci_probe()
462 	faraday_raw_pci_write_config(p, 0, 0, FARADAY_PCI_CTRL2 + 2, 2, 0xF000);  in faraday_pci_probe()
464 		ret = faraday_pci_setup_cascaded_irq(p);  in faraday_pci_probe()
472 	if (!IS_ERR(p->bus_clk)) {  in faraday_pci_probe()
476 		faraday_raw_pci_read_config(p, 0, 0,  in faraday_pci_probe()
478 		rate = clk_get_rate(p->bus_clk);  in faraday_pci_probe()
483 			ret = clk_set_rate(p->bus_clk, 66000000);  in faraday_pci_probe()
492 		rate = clk_get_rate(p->bus_clk);  in faraday_pci_probe()
499 	ret = faraday_pci_parse_map_dma_ranges(p);  in faraday_pci_probe()
508 	p->bus = host->bus;  in faraday_pci_probe()
509 	p->bus->max_bus_speed = max_bus_speed;  in faraday_pci_probe()
510 	p->bus->cur_bus_speed = cur_bus_speed;  in faraday_pci_probe()
512 	pci_bus_assign_resources(p->bus);  in faraday_pci_probe()
513 	pci_bus_add_devices(p->bus);  in faraday_pci_probe()