mtd/maps/pci.c

7  * Generic PCI memory map driver.  We support the following boards:
17 #include <linux/mtd/map.h>
23 	int  (*init)(struct pci_dev *dev, struct map_pci_info *map);
24 	void (*exit)(struct pci_dev *dev, struct map_pci_info *map);
25 	unsigned long (*translate)(struct map_pci_info *map, unsigned long ofs);
30 	struct map_info map;
32 	void (*exit)(struct pci_dev *dev, struct map_pci_info *map);
33 	unsigned long (*translate)(struct map_pci_info *map, unsigned long ofs);
39 	struct map_pci_info *map = (struct map_pci_info *)_map;
41 	val.x[0]= readb(map->base + map->translate(map, ofs));
47 	struct map_pci_info *map = (struct map_pci_info *)_map;
49 	val.x[0] = readl(map->base + map->translate(map, ofs));
55 	struct map_pci_info *map = (struct map_pci_info *)_map;
56 	memcpy_fromio(to, map->base + map->translate(map, from), len);
61 	struct map_pci_info *map = (struct map_pci_info *)_map;
62 	writeb(val.x[0], map->base + map->translate(map, ofs));
67 	struct map_pci_info *map = (struct map_pci_info *)_map;
68 	writel(val.x[0], map->base + map->translate(map, ofs));
73 	struct map_pci_info *map = (struct map_pci_info *)_map;
74 	memcpy_toio(map->base + map->translate(map, to), from, len);
88 intel_iq80310_init(struct pci_dev *dev, struct map_pci_info *map)
92 	map->map.bankwidth = 1;
93 	map->map.read = mtd_pci_read8;
94 	map->map.write = mtd_pci_write8;
96 	map->map.size     = 0x00800000;
97 	map->base         = ioremap(pci_resource_start(dev, 0),
100 	if (!map->base)
110 	map->map.map_priv_2 = win_base;
116 intel_iq80310_exit(struct pci_dev *dev, struct map_pci_info *map)
118 	if (map->base)
119 		iounmap(map->base);
120 	pci_write_config_dword(dev, 0x44, map->map.map_priv_2);
124 intel_iq80310_translate(struct map_pci_info *map, unsigned long ofs)
133 		writel(0x00000008, map->base + 0x1558);
134 		writel(0x00000000, map->base + 0x1550);
136 		writel(0x00000007, map->base + 0x1558);
137 		writel(0x00800000, map->base + 0x1550);
156 intel_dc21285_init(struct pci_dev *dev, struct map_pci_info *map)
187 	map->map.bankwidth = 4;
188 	map->map.read = mtd_pci_read32;
189 	map->map.write = mtd_pci_write32;
190 	map->map.size     = len;
191 	map->base         = ioremap(base, len);
193 	if (!map->base)
200 intel_dc21285_exit(struct pci_dev *dev, struct map_pci_info *map)
202 	if (map->base)
203 		iounmap(map->base);
212 intel_dc21285_translate(struct map_pci_info *map, unsigned long ofs)
255 	struct map_pci_info *map = NULL;
267 	map = kmalloc(sizeof(*map), GFP_KERNEL);
269 	if (!map)
272 	map->map       = mtd_pci_map;
273 	map->map.name  = pci_name(dev);
274 	map->dev       = dev;
275 	map->exit      = info->exit;
276 	map->translate = info->translate;
278 	err = info->init(dev, map);
282 	mtd = do_map_probe(info->map_name, &map->map);
295 	if (map) {
296 		map->exit(dev, map);
297 		kfree(map);
308 	struct map_pci_info *map = mtd->priv;
312 	map->exit(dev, map);
313 	kfree(map);
329 MODULE_DESCRIPTION("Generic PCI map driver");