1 // SPDX-License-Identifier: GPL-2.0-only
64 	ret = pci_read_config_word(window->pdev, BIOS_CNTL, &word);  in ichxrom_cleanup()
66 		pci_write_config_word(window->pdev, BIOS_CNTL, word & ~1);  in ichxrom_cleanup()
67 	pci_dev_put(window->pdev);  in ichxrom_cleanup()
70 	list_for_each_entry_safe(map, scratch, &window->maps, list) {  in ichxrom_cleanup()
71 		if (map->rsrc.parent)  in ichxrom_cleanup()
72 			release_resource(&map->rsrc);  in ichxrom_cleanup()
73 		mtd_device_unregister(map->mtd);  in ichxrom_cleanup()
74 		map_destroy(map->mtd);  in ichxrom_cleanup()
75 		list_del(&map->list);  in ichxrom_cleanup()
78 	if (window->rsrc.parent)  in ichxrom_cleanup()
79 		release_resource(&window->rsrc);  in ichxrom_cleanup()
80 	if (window->virt) {  in ichxrom_cleanup()
81 		iounmap(window->virt);  in ichxrom_cleanup()
82 		window->virt = NULL;  in ichxrom_cleanup()
83 		window->phys = 0;  in ichxrom_cleanup()
84 		window->size = 0;  in ichxrom_cleanup()
85 		window->pdev = NULL;  in ichxrom_cleanup()
110 	window->pdev = pdev;  in ichxrom_init_one()
113 	window->phys = 0;  in ichxrom_init_one()
116 		window->phys = 0xffc00000;  in ichxrom_init_one()
119 			window->phys = 0xff400000;  in ichxrom_init_one()
122 			window->phys = 0xff500000;  in ichxrom_init_one()
125 			window->phys = 0xff600000;  in ichxrom_init_one()
128 			window->phys = 0xff700000;  in ichxrom_init_one()
132 		window->phys = 0xffc80000;  in ichxrom_init_one()
135 		window->phys = 0xffd00000;  in ichxrom_init_one()
138 		window->phys = 0xffd80000;  in ichxrom_init_one()
141 		window->phys = 0xffe00000;  in ichxrom_init_one()
144 		window->phys = 0xffe80000;  in ichxrom_init_one()
147 		window->phys = 0xfff00000;  in ichxrom_init_one()
150 		window->phys = 0xfff80000;  in ichxrom_init_one()
153 	if (window->phys == 0) {  in ichxrom_init_one()
157 	window->phys -= 0x400000UL;  in ichxrom_init_one()
158 	window->size = (0xffffffffUL - window->phys) + 1UL;  in ichxrom_init_one()
175 	window->rsrc.name = MOD_NAME;  in ichxrom_init_one()
176 	window->rsrc.start = window->phys;  in ichxrom_init_one()
177 	window->rsrc.end   = window->phys + window->size - 1;  in ichxrom_init_one()
178 	window->rsrc.flags = IORESOURCE_MEM | IORESOURCE_BUSY;  in ichxrom_init_one()
179 	if (request_resource(&iomem_resource, &window->rsrc)) {  in ichxrom_init_one()
180 		window->rsrc.parent = NULL;  in ichxrom_init_one()
182 		       "%s(): Unable to register resource %pR - kernel bug?\n",  in ichxrom_init_one()
183 		       __func__, &window->rsrc);  in ichxrom_init_one()
187 	window->virt = ioremap(window->phys, window->size);  in ichxrom_init_one()
188 	if (!window->virt) {  in ichxrom_init_one()
190 			window->phys, window->size);  in ichxrom_init_one()
195 	map_top = window->phys;  in ichxrom_init_one()
196 	if ((window->phys & 0x3fffff) != 0) {  in ichxrom_init_one()
197 		map_top = window->phys + 0x400000;  in ichxrom_init_one()
209 	while((map_top - 1) < 0xffffffffUL) {  in ichxrom_init_one()
222 		INIT_LIST_HEAD(&map->list);  in ichxrom_init_one()
223 		map->map.name = map->map_name;  in ichxrom_init_one()
224 		map->map.phys = map_top;  in ichxrom_init_one()
225 		offset = map_top - window->phys;  in ichxrom_init_one()
226 		map->map.virt = (void __iomem *)  in ichxrom_init_one()
227 			(((unsigned long)(window->virt)) + offset);  in ichxrom_init_one()
228 		map->map.size = 0xffffffffUL - map_top + 1UL;  in ichxrom_init_one()
230 		sprintf(map->map_name, "%s @%08Lx",  in ichxrom_init_one()
231 			MOD_NAME, (unsigned long long)map->map.phys);  in ichxrom_init_one()
233 		/* Firmware hubs only use vpp when being programmed  in ichxrom_init_one()
234 		 * in a factory setting.  So in-place programming  in ichxrom_init_one()
237 		for(map->map.bankwidth = 32; map->map.bankwidth;  in ichxrom_init_one()
238 			map->map.bankwidth >>= 1)  in ichxrom_init_one()
242 			if (!map_bankwidth_supported(map->map.bankwidth))  in ichxrom_init_one()
246 			simple_map_init(&map->map);  in ichxrom_init_one()
251 				map->mtd = do_map_probe(*probe_type, &map->map);  in ichxrom_init_one()
252 				if (map->mtd)  in ichxrom_init_one()
260 		if (map->mtd->size > map->map.size) {  in ichxrom_init_one()
263 				(unsigned long long)map->mtd->size, map->map.size);  in ichxrom_init_one()
264 			map->mtd->size = map->map.size;  in ichxrom_init_one()
266 		if (window->rsrc.parent) {  in ichxrom_init_one()
272 			map->rsrc.name  = map->map_name;  in ichxrom_init_one()
273 			map->rsrc.start = map->map.phys;  in ichxrom_init_one()
274 			map->rsrc.end   = map->map.phys + map->mtd->size - 1;  in ichxrom_init_one()
275 			map->rsrc.flags = IORESOURCE_MEM | IORESOURCE_BUSY;  in ichxrom_init_one()
276 			if (request_resource(&window->rsrc, &map->rsrc)) {  in ichxrom_init_one()
279 				map->rsrc.parent = NULL;  in ichxrom_init_one()
284 		map->map.virt = window->virt;  in ichxrom_init_one()
285 		map->map.phys = window->phys;  in ichxrom_init_one()
286 		cfi = map->map.fldrv_priv;  in ichxrom_init_one()
287 		for(i = 0; i < cfi->numchips; i++) {  in ichxrom_init_one()
288 			cfi->chips[i].start += offset;  in ichxrom_init_one()
292 		map->mtd->owner = THIS_MODULE;  in ichxrom_init_one()
293 		if (mtd_device_register(map->mtd, NULL, 0)) {  in ichxrom_init_one()
294 			map_destroy(map->mtd);  in ichxrom_init_one()
295 			map->mtd = NULL;  in ichxrom_init_one()
301 		map_top += map->mtd->size;  in ichxrom_init_one()
304 		list_add(&map->list, &window->maps);  in ichxrom_init_one()
313 	if (list_empty(&window->maps)) {  in ichxrom_init_one()
315 		return -ENODEV;  in ichxrom_init_one()
358 	for (id = ichxrom_pci_tbl; id->vendor; id++) {  in init_ichxrom()
359 		pdev = pci_get_device(id->vendor, id->device, NULL);  in init_ichxrom()
367 	return -ENXIO;  in init_ichxrom()