56 static void ichxrom_cleanup(struct ichxrom_window *window)  in ichxrom_cleanup()  argument
62 	/* Disable writes through the rom window */  in ichxrom_cleanup()
63 	ret = pci_read_config_word(window->pdev, BIOS_CNTL, &word);  in ichxrom_cleanup()
65 		pci_write_config_word(window->pdev, BIOS_CNTL, word & ~1);  in ichxrom_cleanup()
66 	pci_dev_put(window->pdev);  in ichxrom_cleanup()
69 	list_for_each_entry_safe(map, scratch, &window->maps, list) {  in ichxrom_cleanup()
77 	if (window->rsrc.parent)  in ichxrom_cleanup()
78 		release_resource(&window->rsrc);  in ichxrom_cleanup()
79 	if (window->virt) {  in ichxrom_cleanup()
80 		iounmap(window->virt);  in ichxrom_cleanup()
81 		window->virt = NULL;  in ichxrom_cleanup()
82 		window->phys = 0;  in ichxrom_cleanup()
83 		window->size = 0;  in ichxrom_cleanup()
84 		window->pdev = NULL;  in ichxrom_cleanup()
93 	struct ichxrom_window *window = &ichxrom_window;  in ichxrom_init_one()  local
106 	 * Also you can page firmware hubs if an 8MB window isn't enough  in ichxrom_init_one()
109 	window->pdev = pdev;  in ichxrom_init_one()
111 	/* Find a region continuous to the end of the ROM window  */  in ichxrom_init_one()
112 	window->phys = 0;  in ichxrom_init_one()
115 		window->phys = 0xffc00000;  in ichxrom_init_one()
118 			window->phys = 0xff400000;  in ichxrom_init_one()
121 			window->phys = 0xff500000;  in ichxrom_init_one()
124 			window->phys = 0xff600000;  in ichxrom_init_one()
127 			window->phys = 0xff700000;  in ichxrom_init_one()
131 		window->phys = 0xffc80000;  in ichxrom_init_one()
134 		window->phys = 0xffd00000;  in ichxrom_init_one()
137 		window->phys = 0xffd80000;  in ichxrom_init_one()
140 		window->phys = 0xffe00000;  in ichxrom_init_one()
143 		window->phys = 0xffe80000;  in ichxrom_init_one()
146 		window->phys = 0xfff00000;  in ichxrom_init_one()
149 		window->phys = 0xfff80000;  in ichxrom_init_one()
152 	if (window->phys == 0) {  in ichxrom_init_one()
153 		printk(KERN_ERR MOD_NAME ": Rom window is closed\n");  in ichxrom_init_one()
156 	window->phys -= 0x400000UL;  in ichxrom_init_one()
157 	window->size = (0xffffffffUL - window->phys) + 1UL;  in ichxrom_init_one()
159 	/* Enable writes through the rom window */  in ichxrom_init_one()
171 	 * Try to reserve the window mem region.  If this fails then  in ichxrom_init_one()
172 	 * it is likely due to the window being "reserved" by the BIOS.  in ichxrom_init_one()
174 	window->rsrc.name = MOD_NAME;  in ichxrom_init_one()
175 	window->rsrc.start = window->phys;  in ichxrom_init_one()
176 	window->rsrc.end   = window->phys + window->size - 1;  in ichxrom_init_one()
177 	window->rsrc.flags = IORESOURCE_MEM | IORESOURCE_BUSY;  in ichxrom_init_one()
178 	if (request_resource(&iomem_resource, &window->rsrc)) {  in ichxrom_init_one()
179 		window->rsrc.parent = NULL;  in ichxrom_init_one()
182 		       __func__, &window->rsrc);  in ichxrom_init_one()
186 	window->virt = ioremap_nocache(window->phys, window->size);  in ichxrom_init_one()
187 	if (!window->virt) {  in ichxrom_init_one()
189 			window->phys, window->size);  in ichxrom_init_one()
194 	map_top = window->phys;  in ichxrom_init_one()
195 	if ((window->phys & 0x3fffff) != 0) {  in ichxrom_init_one()
196 		map_top = window->phys + 0x400000;  in ichxrom_init_one()
224 		offset = map_top - window->phys;  in ichxrom_init_one()
226 			(((unsigned long)(window->virt)) + offset);  in ichxrom_init_one()
261 				" rom(%llu) larger than window(%lu). fixing...\n",  in ichxrom_init_one()
265 		if (window->rsrc.parent) {  in ichxrom_init_one()
275 			if (request_resource(&window->rsrc, &map->rsrc)) {  in ichxrom_init_one()
283 		map->map.virt = window->virt;  in ichxrom_init_one()
284 		map->map.phys = window->phys;  in ichxrom_init_one()
303 		list_add(&map->list, &window->maps);  in ichxrom_init_one()
312 	if (list_empty(&window->maps)) {  in ichxrom_init_one()
313 		ichxrom_cleanup(window);  in ichxrom_init_one()
322 	struct ichxrom_window *window = &ichxrom_window;  in ichxrom_remove_one()  local
323 	ichxrom_cleanup(window);  in ichxrom_remove_one()