52 	struct gen_pci *pci = sys->private_data;  in gen_pci_map_cfg_bus_cam()  local
53 	resource_size_t idx = bus->number - pci->cfg.bus_range->start;  in gen_pci_map_cfg_bus_cam()
55 	return pci->cfg.win[idx] + ((devfn << 8) | where);  in gen_pci_map_cfg_bus_cam()
68 	struct gen_pci *pci = sys->private_data;  in gen_pci_map_cfg_bus_ecam()  local
69 	resource_size_t idx = bus->number - pci->cfg.bus_range->start;  in gen_pci_map_cfg_bus_ecam()
71 	return pci->cfg.win[idx] + ((devfn << 12) | where);  in gen_pci_map_cfg_bus_ecam()
95 static void gen_pci_release_of_pci_ranges(struct gen_pci *pci)  in gen_pci_release_of_pci_ranges()  argument
97 	pci_free_resource_list(&pci->resources);  in gen_pci_release_of_pci_ranges()
100 static int gen_pci_parse_request_of_pci_ranges(struct gen_pci *pci)  in gen_pci_parse_request_of_pci_ranges()  argument
103 	struct device *dev = pci->host.dev.parent;  in gen_pci_parse_request_of_pci_ranges()
108 	err = of_pci_get_host_bridge_resources(np, 0, 0xff, &pci->resources,  in gen_pci_parse_request_of_pci_ranges()
113 	resource_list_for_each_entry(win, &pci->resources) {  in gen_pci_parse_request_of_pci_ranges()
131 			pci->cfg.bus_range = res;  in gen_pci_parse_request_of_pci_ranges()
150 	gen_pci_release_of_pci_ranges(pci);  in gen_pci_parse_request_of_pci_ranges()
154 static int gen_pci_parse_map_cfg_windows(struct gen_pci *pci)  in gen_pci_parse_map_cfg_windows()  argument
160 	struct device *dev = pci->host.dev.parent;  in gen_pci_parse_map_cfg_windows()
163 	err = of_address_to_resource(np, 0, &pci->cfg.res);  in gen_pci_parse_map_cfg_windows()
170 	bus_max = pci->cfg.bus_range->start +  in gen_pci_parse_map_cfg_windows()
171 		  (resource_size(&pci->cfg.res) >> pci->cfg.ops->bus_shift) - 1;  in gen_pci_parse_map_cfg_windows()
172 	pci->cfg.bus_range->end = min_t(resource_size_t,  in gen_pci_parse_map_cfg_windows()
173 					pci->cfg.bus_range->end, bus_max);  in gen_pci_parse_map_cfg_windows()
175 	pci->cfg.win = devm_kcalloc(dev, resource_size(pci->cfg.bus_range),  in gen_pci_parse_map_cfg_windows()
176 				    sizeof(*pci->cfg.win), GFP_KERNEL);  in gen_pci_parse_map_cfg_windows()
177 	if (!pci->cfg.win)  in gen_pci_parse_map_cfg_windows()
181 	if (!devm_request_mem_region(dev, pci->cfg.res.start,  in gen_pci_parse_map_cfg_windows()
182 				     resource_size(&pci->cfg.res),  in gen_pci_parse_map_cfg_windows()
186 	bus_range = pci->cfg.bus_range;  in gen_pci_parse_map_cfg_windows()
189 		u32 sz = 1 << pci->cfg.ops->bus_shift;  in gen_pci_parse_map_cfg_windows()
191 		pci->cfg.win[idx] = devm_ioremap(dev,  in gen_pci_parse_map_cfg_windows()
192 						 pci->cfg.res.start + busn * sz,  in gen_pci_parse_map_cfg_windows()
194 		if (!pci->cfg.win[idx])  in gen_pci_parse_map_cfg_windows()
203 	struct gen_pci *pci = sys->private_data;  in gen_pci_setup()  local
204 	list_splice_init(&pci->resources, &sys->resources);  in gen_pci_setup()
216 	struct gen_pci *pci = devm_kzalloc(dev, sizeof(*pci), GFP_KERNEL);  in gen_pci_probe()  local
219 		.private_data	= (void **)&pci,  in gen_pci_probe()
225 	if (!pci)  in gen_pci_probe()
243 	pci->cfg.ops = of_id->data;  in gen_pci_probe()
244 	gen_pci_ops.map_bus = pci->cfg.ops->map_bus;  in gen_pci_probe()
245 	pci->host.dev.parent = dev;  in gen_pci_probe()
246 	INIT_LIST_HEAD(&pci->host.windows);  in gen_pci_probe()
247 	INIT_LIST_HEAD(&pci->resources);  in gen_pci_probe()
250 	err = gen_pci_parse_request_of_pci_ranges(pci);  in gen_pci_probe()
255 	err = gen_pci_parse_map_cfg_windows(pci);  in gen_pci_probe()
257 		gen_pci_release_of_pci_ranges(pci);  in gen_pci_probe()