diff options
Diffstat (limited to 'drivers/mtd/maps')
-rw-r--r-- | drivers/mtd/maps/Kconfig | 7 | ||||
-rw-r--r-- | drivers/mtd/maps/Makefile | 2 | ||||
-rw-r--r-- | drivers/mtd/maps/integrator-flash.c | 309 | ||||
-rw-r--r-- | drivers/mtd/maps/lantiq-flash.c | 251 | ||||
-rw-r--r-- | drivers/mtd/maps/pcmciamtd.c | 2 | ||||
-rw-r--r-- | drivers/mtd/maps/physmap.c | 28 | ||||
-rw-r--r-- | drivers/mtd/maps/pismo.c | 40 |
7 files changed, 289 insertions, 350 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig index 195b9ef3b7e..c0c328c5b13 100644 --- a/drivers/mtd/maps/Kconfig +++ b/drivers/mtd/maps/Kconfig | |||
@@ -257,6 +257,13 @@ config MTD_BCM963XX | |||
257 | Support for parsing CFE image tag and creating MTD partitions on | 257 | Support for parsing CFE image tag and creating MTD partitions on |
258 | Broadcom BCM63xx boards. | 258 | Broadcom BCM63xx boards. |
259 | 259 | ||
260 | config MTD_LANTIQ | ||
261 | tristate "Lantiq SoC NOR support" | ||
262 | depends on LANTIQ | ||
263 | select MTD_PARTITIONS | ||
264 | help | ||
265 | Support for NOR flash attached to the Lantiq SoC's External Bus Unit. | ||
266 | |||
260 | config MTD_DILNETPC | 267 | config MTD_DILNETPC |
261 | tristate "CFI Flash device mapped on DIL/Net PC" | 268 | tristate "CFI Flash device mapped on DIL/Net PC" |
262 | depends on X86 && MTD_CFI_INTELEXT && BROKEN | 269 | depends on X86 && MTD_CFI_INTELEXT && BROKEN |
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile index 08533bd5cba..cb48b11afff 100644 --- a/drivers/mtd/maps/Makefile +++ b/drivers/mtd/maps/Makefile | |||
@@ -8,7 +8,6 @@ endif | |||
8 | 8 | ||
9 | # Chip mappings | 9 | # Chip mappings |
10 | obj-$(CONFIG_MTD_CDB89712) += cdb89712.o | 10 | obj-$(CONFIG_MTD_CDB89712) += cdb89712.o |
11 | obj-$(CONFIG_MTD_ARM_INTEGRATOR)+= integrator-flash.o | ||
12 | obj-$(CONFIG_MTD_CFI_FLAGADM) += cfi_flagadm.o | 11 | obj-$(CONFIG_MTD_CFI_FLAGADM) += cfi_flagadm.o |
13 | obj-$(CONFIG_MTD_DC21285) += dc21285.o | 12 | obj-$(CONFIG_MTD_DC21285) += dc21285.o |
14 | obj-$(CONFIG_MTD_DILNETPC) += dilnetpc.o | 13 | obj-$(CONFIG_MTD_DILNETPC) += dilnetpc.o |
@@ -60,3 +59,4 @@ obj-$(CONFIG_MTD_VMU) += vmu-flash.o | |||
60 | obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o | 59 | obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o |
61 | obj-$(CONFIG_MTD_BCM963XX) += bcm963xx-flash.o | 60 | obj-$(CONFIG_MTD_BCM963XX) += bcm963xx-flash.o |
62 | obj-$(CONFIG_MTD_LATCH_ADDR) += latch-addr-flash.o | 61 | obj-$(CONFIG_MTD_LATCH_ADDR) += latch-addr-flash.o |
62 | obj-$(CONFIG_MTD_LANTIQ) += lantiq-flash.o | ||
diff --git a/drivers/mtd/maps/integrator-flash.c b/drivers/mtd/maps/integrator-flash.c deleted file mode 100644 index a97bbcf0d58..00000000000 --- a/drivers/mtd/maps/integrator-flash.c +++ /dev/null | |||
@@ -1,309 +0,0 @@ | |||
1 | /*====================================================================== | ||
2 | |||
3 | drivers/mtd/maps/integrator-flash.c: ARM Integrator flash map driver | ||
4 | |||
5 | Copyright (C) 2000 ARM Limited | ||
6 | Copyright (C) 2003 Deep Blue Solutions Ltd. | ||
7 | |||
8 | This program is free software; you can redistribute it and/or modify | ||
9 | it under the terms of the GNU General Public License as published by | ||
10 | the Free Software Foundation; either version 2 of the License, or | ||
11 | (at your option) any later version. | ||
12 | |||
13 | This program is distributed in the hope that it will be useful, | ||
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | GNU General Public License for more details. | ||
17 | |||
18 | You should have received a copy of the GNU General Public License | ||
19 | along with this program; if not, write to the Free Software | ||
20 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
21 | |||
22 | This is access code for flashes using ARM's flash partitioning | ||
23 | standards. | ||
24 | |||
25 | ======================================================================*/ | ||
26 | |||
27 | #include <linux/module.h> | ||
28 | #include <linux/types.h> | ||
29 | #include <linux/kernel.h> | ||
30 | #include <linux/slab.h> | ||
31 | #include <linux/ioport.h> | ||
32 | #include <linux/platform_device.h> | ||
33 | #include <linux/init.h> | ||
34 | #include <linux/io.h> | ||
35 | |||
36 | #include <linux/mtd/mtd.h> | ||
37 | #include <linux/mtd/map.h> | ||
38 | #include <linux/mtd/partitions.h> | ||
39 | #include <linux/mtd/concat.h> | ||
40 | |||
41 | #include <asm/mach/flash.h> | ||
42 | #include <mach/hardware.h> | ||
43 | #include <asm/system.h> | ||
44 | |||
45 | struct armflash_subdev_info { | ||
46 | char *name; | ||
47 | struct mtd_info *mtd; | ||
48 | struct map_info map; | ||
49 | struct flash_platform_data *plat; | ||
50 | }; | ||
51 | |||
52 | struct armflash_info { | ||
53 | struct resource *res; | ||
54 | struct mtd_partition *parts; | ||
55 | struct mtd_info *mtd; | ||
56 | int nr_subdev; | ||
57 | struct armflash_subdev_info subdev[0]; | ||
58 | }; | ||
59 | |||
60 | static void armflash_set_vpp(struct map_info *map, int on) | ||
61 | { | ||
62 | struct armflash_subdev_info *info = | ||
63 | container_of(map, struct armflash_subdev_info, map); | ||
64 | |||
65 | if (info->plat && info->plat->set_vpp) | ||
66 | info->plat->set_vpp(on); | ||
67 | } | ||
68 | |||
69 | static const char *probes[] = { "cmdlinepart", "RedBoot", "afs", NULL }; | ||
70 | |||
71 | static int armflash_subdev_probe(struct armflash_subdev_info *subdev, | ||
72 | struct resource *res) | ||
73 | { | ||
74 | struct flash_platform_data *plat = subdev->plat; | ||
75 | resource_size_t size = res->end - res->start + 1; | ||
76 | void __iomem *base; | ||
77 | int err = 0; | ||
78 | |||
79 | if (!request_mem_region(res->start, size, subdev->name)) { | ||
80 | err = -EBUSY; | ||
81 | goto out; | ||
82 | } | ||
83 | |||
84 | base = ioremap(res->start, size); | ||
85 | if (!base) { | ||
86 | err = -ENOMEM; | ||
87 | goto no_mem; | ||
88 | } | ||
89 | |||
90 | /* | ||
91 | * look for CFI based flash parts fitted to this board | ||
92 | */ | ||
93 | subdev->map.size = size; | ||
94 | subdev->map.bankwidth = plat->width; | ||
95 | subdev->map.phys = res->start; | ||
96 | subdev->map.virt = base; | ||
97 | subdev->map.name = subdev->name; | ||
98 | subdev->map.set_vpp = armflash_set_vpp; | ||
99 | |||
100 | simple_map_init(&subdev->map); | ||
101 | |||
102 | /* | ||
103 | * Also, the CFI layer automatically works out what size | ||
104 | * of chips we have, and does the necessary identification | ||
105 | * for us automatically. | ||
106 | */ | ||
107 | subdev->mtd = do_map_probe(plat->map_name, &subdev->map); | ||
108 | if (!subdev->mtd) { | ||
109 | err = -ENXIO; | ||
110 | goto no_device; | ||
111 | } | ||
112 | |||
113 | subdev->mtd->owner = THIS_MODULE; | ||
114 | |||
115 | /* Successful? */ | ||
116 | if (err == 0) | ||
117 | return err; | ||
118 | |||
119 | if (subdev->mtd) | ||
120 | map_destroy(subdev->mtd); | ||
121 | no_device: | ||
122 | iounmap(base); | ||
123 | no_mem: | ||
124 | release_mem_region(res->start, size); | ||
125 | out: | ||
126 | return err; | ||
127 | } | ||
128 | |||
129 | static void armflash_subdev_remove(struct armflash_subdev_info *subdev) | ||
130 | { | ||
131 | if (subdev->mtd) | ||
132 | map_destroy(subdev->mtd); | ||
133 | if (subdev->map.virt) | ||
134 | iounmap(subdev->map.virt); | ||
135 | kfree(subdev->name); | ||
136 | subdev->name = NULL; | ||
137 | release_mem_region(subdev->map.phys, subdev->map.size); | ||
138 | } | ||
139 | |||
140 | static int armflash_probe(struct platform_device *dev) | ||
141 | { | ||
142 | struct flash_platform_data *plat = dev->dev.platform_data; | ||
143 | unsigned int size; | ||
144 | struct armflash_info *info; | ||
145 | int i, nr, err; | ||
146 | |||
147 | /* Count the number of devices */ | ||
148 | for (nr = 0; ; nr++) | ||
149 | if (!platform_get_resource(dev, IORESOURCE_MEM, nr)) | ||
150 | break; | ||
151 | if (nr == 0) { | ||
152 | err = -ENODEV; | ||
153 | goto out; | ||
154 | } | ||
155 | |||
156 | size = sizeof(struct armflash_info) + | ||
157 | sizeof(struct armflash_subdev_info) * nr; | ||
158 | info = kzalloc(size, GFP_KERNEL); | ||
159 | if (!info) { | ||
160 | err = -ENOMEM; | ||
161 | goto out; | ||
162 | } | ||
163 | |||
164 | if (plat && plat->init) { | ||
165 | err = plat->init(); | ||
166 | if (err) | ||
167 | goto no_resource; | ||
168 | } | ||
169 | |||
170 | for (i = 0; i < nr; i++) { | ||
171 | struct armflash_subdev_info *subdev = &info->subdev[i]; | ||
172 | struct resource *res; | ||
173 | |||
174 | res = platform_get_resource(dev, IORESOURCE_MEM, i); | ||
175 | if (!res) | ||
176 | break; | ||
177 | |||
178 | if (nr == 1) | ||
179 | /* No MTD concatenation, just use the default name */ | ||
180 | subdev->name = kstrdup(dev_name(&dev->dev), GFP_KERNEL); | ||
181 | else | ||
182 | subdev->name = kasprintf(GFP_KERNEL, "%s-%d", | ||
183 | dev_name(&dev->dev), i); | ||
184 | if (!subdev->name) { | ||
185 | err = -ENOMEM; | ||
186 | break; | ||
187 | } | ||
188 | subdev->plat = plat; | ||
189 | |||
190 | err = armflash_subdev_probe(subdev, res); | ||
191 | if (err) { | ||
192 | kfree(subdev->name); | ||
193 | subdev->name = NULL; | ||
194 | break; | ||
195 | } | ||
196 | } | ||
197 | info->nr_subdev = i; | ||
198 | |||
199 | if (err) | ||
200 | goto subdev_err; | ||
201 | |||
202 | if (info->nr_subdev == 1) | ||
203 | info->mtd = info->subdev[0].mtd; | ||
204 | else if (info->nr_subdev > 1) { | ||
205 | struct mtd_info *cdev[info->nr_subdev]; | ||
206 | |||
207 | /* | ||
208 | * We detected multiple devices. Concatenate them together. | ||
209 | */ | ||
210 | for (i = 0; i < info->nr_subdev; i++) | ||
211 | cdev[i] = info->subdev[i].mtd; | ||
212 | |||
213 | info->mtd = mtd_concat_create(cdev, info->nr_subdev, | ||
214 | dev_name(&dev->dev)); | ||
215 | if (info->mtd == NULL) | ||
216 | err = -ENXIO; | ||
217 | } | ||
218 | |||
219 | if (err < 0) | ||
220 | goto cleanup; | ||
221 | |||
222 | err = parse_mtd_partitions(info->mtd, probes, &info->parts, 0); | ||
223 | if (err > 0) { | ||
224 | err = mtd_device_register(info->mtd, info->parts, err); | ||
225 | if (err) | ||
226 | printk(KERN_ERR | ||
227 | "mtd partition registration failed: %d\n", err); | ||
228 | } | ||
229 | |||
230 | if (err == 0) { | ||
231 | platform_set_drvdata(dev, info); | ||
232 | return err; | ||
233 | } | ||
234 | |||
235 | /* | ||
236 | * We got an error, free all resources. | ||
237 | */ | ||
238 | cleanup: | ||
239 | if (info->mtd) { | ||
240 | mtd_device_unregister(info->mtd); | ||
241 | if (info->mtd != info->subdev[0].mtd) | ||
242 | mtd_concat_destroy(info->mtd); | ||
243 | } | ||
244 | kfree(info->parts); | ||
245 | subdev_err: | ||
246 | for (i = info->nr_subdev - 1; i >= 0; i--) | ||
247 | armflash_subdev_remove(&info->subdev[i]); | ||
248 | no_resource: | ||
249 | if (plat && plat->exit) | ||
250 | plat->exit(); | ||
251 | kfree(info); | ||
252 | out: | ||
253 | return err; | ||
254 | } | ||
255 | |||
256 | static int armflash_remove(struct platform_device *dev) | ||
257 | { | ||
258 | struct armflash_info *info = platform_get_drvdata(dev); | ||
259 | struct flash_platform_data *plat = dev->dev.platform_data; | ||
260 | int i; | ||
261 | |||
262 | platform_set_drvdata(dev, NULL); | ||
263 | |||
264 | if (info) { | ||
265 | if (info->mtd) { | ||
266 | mtd_device_unregister(info->mtd); | ||
267 | if (info->mtd != info->subdev[0].mtd) | ||
268 | mtd_concat_destroy(info->mtd); | ||
269 | } | ||
270 | kfree(info->parts); | ||
271 | |||
272 | for (i = info->nr_subdev - 1; i >= 0; i--) | ||
273 | armflash_subdev_remove(&info->subdev[i]); | ||
274 | |||
275 | if (plat && plat->exit) | ||
276 | plat->exit(); | ||
277 | |||
278 | kfree(info); | ||
279 | } | ||
280 | |||
281 | return 0; | ||
282 | } | ||
283 | |||
284 | static struct platform_driver armflash_driver = { | ||
285 | .probe = armflash_probe, | ||
286 | .remove = armflash_remove, | ||
287 | .driver = { | ||
288 | .name = "armflash", | ||
289 | .owner = THIS_MODULE, | ||
290 | }, | ||
291 | }; | ||
292 | |||
293 | static int __init armflash_init(void) | ||
294 | { | ||
295 | return platform_driver_register(&armflash_driver); | ||
296 | } | ||
297 | |||
298 | static void __exit armflash_exit(void) | ||
299 | { | ||
300 | platform_driver_unregister(&armflash_driver); | ||
301 | } | ||
302 | |||
303 | module_init(armflash_init); | ||
304 | module_exit(armflash_exit); | ||
305 | |||
306 | MODULE_AUTHOR("ARM Ltd"); | ||
307 | MODULE_DESCRIPTION("ARM Integrator CFI map driver"); | ||
308 | MODULE_LICENSE("GPL"); | ||
309 | MODULE_ALIAS("platform:armflash"); | ||
diff --git a/drivers/mtd/maps/lantiq-flash.c b/drivers/mtd/maps/lantiq-flash.c new file mode 100644 index 00000000000..a90cabd7b84 --- /dev/null +++ b/drivers/mtd/maps/lantiq-flash.c | |||
@@ -0,0 +1,251 @@ | |||
1 | /* | ||
2 | * This program is free software; you can redistribute it and/or modify it | ||
3 | * under the terms of the GNU General Public License version 2 as published | ||
4 | * by the Free Software Foundation. | ||
5 | * | ||
6 | * Copyright (C) 2004 Liu Peng Infineon IFAP DC COM CPE | ||
7 | * Copyright (C) 2010 John Crispin <blogic@openwrt.org> | ||
8 | */ | ||
9 | |||
10 | #include <linux/module.h> | ||
11 | #include <linux/types.h> | ||
12 | #include <linux/kernel.h> | ||
13 | #include <linux/io.h> | ||
14 | #include <linux/slab.h> | ||
15 | #include <linux/init.h> | ||
16 | #include <linux/mtd/mtd.h> | ||
17 | #include <linux/mtd/map.h> | ||
18 | #include <linux/mtd/partitions.h> | ||
19 | #include <linux/mtd/cfi.h> | ||
20 | #include <linux/platform_device.h> | ||
21 | #include <linux/mtd/physmap.h> | ||
22 | |||
23 | #include <lantiq_soc.h> | ||
24 | #include <lantiq_platform.h> | ||
25 | |||
26 | /* | ||
27 | * The NOR flash is connected to the same external bus unit (EBU) as PCI. | ||
28 | * To make PCI work we need to enable the endianness swapping for the address | ||
29 | * written to the EBU. This endianness swapping works for PCI correctly but | ||
30 | * fails for attached NOR devices. To workaround this we need to use a complex | ||
31 | * map. The workaround involves swapping all addresses whilst probing the chip. | ||
32 | * Once probing is complete we stop swapping the addresses but swizzle the | ||
33 | * unlock addresses to ensure that access to the NOR device works correctly. | ||
34 | */ | ||
35 | |||
36 | enum { | ||
37 | LTQ_NOR_PROBING, | ||
38 | LTQ_NOR_NORMAL | ||
39 | }; | ||
40 | |||
41 | struct ltq_mtd { | ||
42 | struct resource *res; | ||
43 | struct mtd_info *mtd; | ||
44 | struct map_info *map; | ||
45 | }; | ||
46 | |||
47 | static char ltq_map_name[] = "ltq_nor"; | ||
48 | |||
49 | static map_word | ||
50 | ltq_read16(struct map_info *map, unsigned long adr) | ||
51 | { | ||
52 | unsigned long flags; | ||
53 | map_word temp; | ||
54 | |||
55 | if (map->map_priv_1 == LTQ_NOR_PROBING) | ||
56 | adr ^= 2; | ||
57 | spin_lock_irqsave(&ebu_lock, flags); | ||
58 | temp.x[0] = *(u16 *)(map->virt + adr); | ||
59 | spin_unlock_irqrestore(&ebu_lock, flags); | ||
60 | return temp; | ||
61 | } | ||
62 | |||
63 | static void | ||
64 | ltq_write16(struct map_info *map, map_word d, unsigned long adr) | ||
65 | { | ||
66 | unsigned long flags; | ||
67 | |||
68 | if (map->map_priv_1 == LTQ_NOR_PROBING) | ||
69 | adr ^= 2; | ||
70 | spin_lock_irqsave(&ebu_lock, flags); | ||
71 | *(u16 *)(map->virt + adr) = d.x[0]; | ||
72 | spin_unlock_irqrestore(&ebu_lock, flags); | ||
73 | } | ||
74 | |||
75 | /* | ||
76 | * The following 2 functions copy data between iomem and a cached memory | ||
77 | * section. As memcpy() makes use of pre-fetching we cannot use it here. | ||
78 | * The normal alternative of using memcpy_{to,from}io also makes use of | ||
79 | * memcpy() on MIPS so it is not applicable either. We are therefore stuck | ||
80 | * with having to use our own loop. | ||
81 | */ | ||
82 | static void | ||
83 | ltq_copy_from(struct map_info *map, void *to, | ||
84 | unsigned long from, ssize_t len) | ||
85 | { | ||
86 | unsigned char *f = (unsigned char *)map->virt + from; | ||
87 | unsigned char *t = (unsigned char *)to; | ||
88 | unsigned long flags; | ||
89 | |||
90 | spin_lock_irqsave(&ebu_lock, flags); | ||
91 | while (len--) | ||
92 | *t++ = *f++; | ||
93 | spin_unlock_irqrestore(&ebu_lock, flags); | ||
94 | } | ||
95 | |||
96 | static void | ||
97 | ltq_copy_to(struct map_info *map, unsigned long to, | ||
98 | const void *from, ssize_t len) | ||
99 | { | ||
100 | unsigned char *f = (unsigned char *)from; | ||
101 | unsigned char *t = (unsigned char *)map->virt + to; | ||
102 | unsigned long flags; | ||
103 | |||
104 | spin_lock_irqsave(&ebu_lock, flags); | ||
105 | while (len--) | ||
106 | *t++ = *f++; | ||
107 | spin_unlock_irqrestore(&ebu_lock, flags); | ||
108 | } | ||
109 | |||
110 | static const char const *part_probe_types[] = { "cmdlinepart", NULL }; | ||
111 | |||
112 | static int __init | ||
113 | ltq_mtd_probe(struct platform_device *pdev) | ||
114 | { | ||
115 | struct physmap_flash_data *ltq_mtd_data = dev_get_platdata(&pdev->dev); | ||
116 | struct ltq_mtd *ltq_mtd; | ||
117 | struct mtd_partition *parts; | ||
118 | struct resource *res; | ||
119 | int nr_parts = 0; | ||
120 | struct cfi_private *cfi; | ||
121 | int err; | ||
122 | |||
123 | ltq_mtd = kzalloc(sizeof(struct ltq_mtd), GFP_KERNEL); | ||
124 | platform_set_drvdata(pdev, ltq_mtd); | ||
125 | |||
126 | ltq_mtd->res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
127 | if (!ltq_mtd->res) { | ||
128 | dev_err(&pdev->dev, "failed to get memory resource"); | ||
129 | err = -ENOENT; | ||
130 | goto err_out; | ||
131 | } | ||
132 | |||
133 | res = devm_request_mem_region(&pdev->dev, ltq_mtd->res->start, | ||
134 | resource_size(ltq_mtd->res), dev_name(&pdev->dev)); | ||
135 | if (!ltq_mtd->res) { | ||
136 | dev_err(&pdev->dev, "failed to request mem resource"); | ||
137 | err = -EBUSY; | ||
138 | goto err_out; | ||
139 | } | ||
140 | |||
141 | ltq_mtd->map = kzalloc(sizeof(struct map_info), GFP_KERNEL); | ||
142 | ltq_mtd->map->phys = res->start; | ||
143 | ltq_mtd->map->size = resource_size(res); | ||
144 | ltq_mtd->map->virt = devm_ioremap_nocache(&pdev->dev, | ||
145 | ltq_mtd->map->phys, ltq_mtd->map->size); | ||
146 | if (!ltq_mtd->map->virt) { | ||
147 | dev_err(&pdev->dev, "failed to ioremap!\n"); | ||
148 | err = -ENOMEM; | ||
149 | goto err_free; | ||
150 | } | ||
151 | |||
152 | ltq_mtd->map->name = ltq_map_name; | ||
153 | ltq_mtd->map->bankwidth = 2; | ||
154 | ltq_mtd->map->read = ltq_read16; | ||
155 | ltq_mtd->map->write = ltq_write16; | ||
156 | ltq_mtd->map->copy_from = ltq_copy_from; | ||
157 | ltq_mtd->map->copy_to = ltq_copy_to; | ||
158 | |||
159 | ltq_mtd->map->map_priv_1 = LTQ_NOR_PROBING; | ||
160 | ltq_mtd->mtd = do_map_probe("cfi_probe", ltq_mtd->map); | ||
161 | ltq_mtd->map->map_priv_1 = LTQ_NOR_NORMAL; | ||
162 | |||
163 | if (!ltq_mtd->mtd) { | ||
164 | dev_err(&pdev->dev, "probing failed\n"); | ||
165 | err = -ENXIO; | ||
166 | goto err_unmap; | ||
167 | } | ||
168 | |||
169 | ltq_mtd->mtd->owner = THIS_MODULE; | ||
170 | |||
171 | cfi = ltq_mtd->map->fldrv_priv; | ||
172 | cfi->addr_unlock1 ^= 1; | ||
173 | cfi->addr_unlock2 ^= 1; | ||
174 | |||
175 | nr_parts = parse_mtd_partitions(ltq_mtd->mtd, | ||
176 | part_probe_types, &parts, 0); | ||
177 | if (nr_parts > 0) { | ||
178 | dev_info(&pdev->dev, | ||
179 | "using %d partitions from cmdline", nr_parts); | ||
180 | } else { | ||
181 | nr_parts = ltq_mtd_data->nr_parts; | ||
182 | parts = ltq_mtd_data->parts; | ||
183 | } | ||
184 | |||
185 | err = add_mtd_partitions(ltq_mtd->mtd, parts, nr_parts); | ||
186 | if (err) { | ||
187 | dev_err(&pdev->dev, "failed to add partitions\n"); | ||
188 | goto err_destroy; | ||
189 | } | ||
190 | |||
191 | return 0; | ||
192 | |||
193 | err_destroy: | ||
194 | map_destroy(ltq_mtd->mtd); | ||
195 | err_unmap: | ||
196 | iounmap(ltq_mtd->map->virt); | ||
197 | err_free: | ||
198 | kfree(ltq_mtd->map); | ||
199 | err_out: | ||
200 | kfree(ltq_mtd); | ||
201 | return err; | ||
202 | } | ||
203 | |||
204 | static int __devexit | ||
205 | ltq_mtd_remove(struct platform_device *pdev) | ||
206 | { | ||
207 | struct ltq_mtd *ltq_mtd = platform_get_drvdata(pdev); | ||
208 | |||
209 | if (ltq_mtd) { | ||
210 | if (ltq_mtd->mtd) { | ||
211 | del_mtd_partitions(ltq_mtd->mtd); | ||
212 | map_destroy(ltq_mtd->mtd); | ||
213 | } | ||
214 | if (ltq_mtd->map->virt) | ||
215 | iounmap(ltq_mtd->map->virt); | ||
216 | kfree(ltq_mtd->map); | ||
217 | kfree(ltq_mtd); | ||
218 | } | ||
219 | return 0; | ||
220 | } | ||
221 | |||
222 | static struct platform_driver ltq_mtd_driver = { | ||
223 | .remove = __devexit_p(ltq_mtd_remove), | ||
224 | .driver = { | ||
225 | .name = "ltq_nor", | ||
226 | .owner = THIS_MODULE, | ||
227 | }, | ||
228 | }; | ||
229 | |||
230 | static int __init | ||
231 | init_ltq_mtd(void) | ||
232 | { | ||
233 | int ret = platform_driver_probe(<q_mtd_driver, ltq_mtd_probe); | ||
234 | |||
235 | if (ret) | ||
236 | pr_err("ltq_nor: error registering platform driver"); | ||
237 | return ret; | ||
238 | } | ||
239 | |||
240 | static void __exit | ||
241 | exit_ltq_mtd(void) | ||
242 | { | ||
243 | platform_driver_unregister(<q_mtd_driver); | ||
244 | } | ||
245 | |||
246 | module_init(init_ltq_mtd); | ||
247 | module_exit(exit_ltq_mtd); | ||
248 | |||
249 | MODULE_LICENSE("GPL"); | ||
250 | MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); | ||
251 | MODULE_DESCRIPTION("Lantiq SoC NOR"); | ||
diff --git a/drivers/mtd/maps/pcmciamtd.c b/drivers/mtd/maps/pcmciamtd.c index a523e2a6af5..bbe168b65c2 100644 --- a/drivers/mtd/maps/pcmciamtd.c +++ b/drivers/mtd/maps/pcmciamtd.c | |||
@@ -694,7 +694,7 @@ static int pcmciamtd_probe(struct pcmcia_device *link) | |||
694 | return pcmciamtd_config(link); | 694 | return pcmciamtd_config(link); |
695 | } | 695 | } |
696 | 696 | ||
697 | static struct pcmcia_device_id pcmciamtd_ids[] = { | 697 | static const struct pcmcia_device_id pcmciamtd_ids[] = { |
698 | PCMCIA_DEVICE_FUNC_ID(1), | 698 | PCMCIA_DEVICE_FUNC_ID(1), |
699 | PCMCIA_DEVICE_PROD_ID123("IO DATA", "PCS-2M", "2MB SRAM", 0x547e66dc, 0x1fed36cd, 0x36eadd21), | 699 | PCMCIA_DEVICE_PROD_ID123("IO DATA", "PCS-2M", "2MB SRAM", 0x547e66dc, 0x1fed36cd, 0x36eadd21), |
700 | PCMCIA_DEVICE_PROD_ID12("IBM", "2MB SRAM", 0xb569a6e5, 0x36eadd21), | 700 | PCMCIA_DEVICE_PROD_ID12("IBM", "2MB SRAM", 0xb569a6e5, 0x36eadd21), |
diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c index d2059261ca8..f64cee4a3bf 100644 --- a/drivers/mtd/maps/physmap.c +++ b/drivers/mtd/maps/physmap.c | |||
@@ -56,16 +56,33 @@ static int physmap_flash_remove(struct platform_device *dev) | |||
56 | if (info->mtd[i] != NULL) | 56 | if (info->mtd[i] != NULL) |
57 | map_destroy(info->mtd[i]); | 57 | map_destroy(info->mtd[i]); |
58 | } | 58 | } |
59 | |||
60 | if (physmap_data->exit) | ||
61 | physmap_data->exit(dev); | ||
62 | |||
59 | return 0; | 63 | return 0; |
60 | } | 64 | } |
61 | 65 | ||
66 | static void physmap_set_vpp(struct map_info *map, int state) | ||
67 | { | ||
68 | struct platform_device *pdev; | ||
69 | struct physmap_flash_data *physmap_data; | ||
70 | |||
71 | pdev = (struct platform_device *)map->map_priv_1; | ||
72 | physmap_data = pdev->dev.platform_data; | ||
73 | |||
74 | if (physmap_data->set_vpp) | ||
75 | physmap_data->set_vpp(pdev, state); | ||
76 | } | ||
77 | |||
62 | static const char *rom_probe_types[] = { | 78 | static const char *rom_probe_types[] = { |
63 | "cfi_probe", | 79 | "cfi_probe", |
64 | "jedec_probe", | 80 | "jedec_probe", |
65 | "qinfo_probe", | 81 | "qinfo_probe", |
66 | "map_rom", | 82 | "map_rom", |
67 | NULL }; | 83 | NULL }; |
68 | static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", NULL }; | 84 | static const char *part_probe_types[] = { "cmdlinepart", "RedBoot", "afs", |
85 | NULL }; | ||
69 | 86 | ||
70 | static int physmap_flash_probe(struct platform_device *dev) | 87 | static int physmap_flash_probe(struct platform_device *dev) |
71 | { | 88 | { |
@@ -87,6 +104,12 @@ static int physmap_flash_probe(struct platform_device *dev) | |||
87 | goto err_out; | 104 | goto err_out; |
88 | } | 105 | } |
89 | 106 | ||
107 | if (physmap_data->init) { | ||
108 | err = physmap_data->init(dev); | ||
109 | if (err) | ||
110 | goto err_out; | ||
111 | } | ||
112 | |||
90 | platform_set_drvdata(dev, info); | 113 | platform_set_drvdata(dev, info); |
91 | 114 | ||
92 | for (i = 0; i < dev->num_resources; i++) { | 115 | for (i = 0; i < dev->num_resources; i++) { |
@@ -107,8 +130,9 @@ static int physmap_flash_probe(struct platform_device *dev) | |||
107 | info->map[i].phys = dev->resource[i].start; | 130 | info->map[i].phys = dev->resource[i].start; |
108 | info->map[i].size = resource_size(&dev->resource[i]); | 131 | info->map[i].size = resource_size(&dev->resource[i]); |
109 | info->map[i].bankwidth = physmap_data->width; | 132 | info->map[i].bankwidth = physmap_data->width; |
110 | info->map[i].set_vpp = physmap_data->set_vpp; | 133 | info->map[i].set_vpp = physmap_set_vpp; |
111 | info->map[i].pfow_base = physmap_data->pfow_base; | 134 | info->map[i].pfow_base = physmap_data->pfow_base; |
135 | info->map[i].map_priv_1 = (unsigned long)dev; | ||
112 | 136 | ||
113 | info->map[i].virt = devm_ioremap(&dev->dev, info->map[i].phys, | 137 | info->map[i].virt = devm_ioremap(&dev->dev, info->map[i].phys, |
114 | info->map[i].size); | 138 | info->map[i].size); |
diff --git a/drivers/mtd/maps/pismo.c b/drivers/mtd/maps/pismo.c index f4ce273e93f..65bd1cd4d62 100644 --- a/drivers/mtd/maps/pismo.c +++ b/drivers/mtd/maps/pismo.c | |||
@@ -50,39 +50,13 @@ struct pismo_data { | |||
50 | struct platform_device *dev[PISMO_NUM_CS]; | 50 | struct platform_device *dev[PISMO_NUM_CS]; |
51 | }; | 51 | }; |
52 | 52 | ||
53 | /* FIXME: set_vpp could do with a better calling convention */ | 53 | static void pismo_set_vpp(struct platform_device *pdev, int on) |
54 | static struct pismo_data *vpp_pismo; | ||
55 | static DEFINE_MUTEX(pismo_mutex); | ||
56 | |||
57 | static int pismo_setvpp_probe_fix(struct pismo_data *pismo) | ||
58 | { | 54 | { |
59 | mutex_lock(&pismo_mutex); | 55 | struct i2c_client *client = to_i2c_client(pdev->dev.parent); |
60 | if (vpp_pismo) { | 56 | struct pismo_data *pismo = i2c_get_clientdata(client); |
61 | mutex_unlock(&pismo_mutex); | ||
62 | kfree(pismo); | ||
63 | return -EBUSY; | ||
64 | } | ||
65 | vpp_pismo = pismo; | ||
66 | mutex_unlock(&pismo_mutex); | ||
67 | return 0; | ||
68 | } | ||
69 | |||
70 | static void pismo_setvpp_remove_fix(struct pismo_data *pismo) | ||
71 | { | ||
72 | mutex_lock(&pismo_mutex); | ||
73 | if (vpp_pismo == pismo) | ||
74 | vpp_pismo = NULL; | ||
75 | mutex_unlock(&pismo_mutex); | ||
76 | } | ||
77 | |||
78 | static void pismo_set_vpp(struct map_info *map, int on) | ||
79 | { | ||
80 | struct pismo_data *pismo = vpp_pismo; | ||
81 | 57 | ||
82 | pismo->vpp(pismo->vpp_data, on); | 58 | pismo->vpp(pismo->vpp_data, on); |
83 | } | 59 | } |
84 | /* end of hack */ | ||
85 | |||
86 | 60 | ||
87 | static unsigned int __devinit pismo_width_to_bytes(unsigned int width) | 61 | static unsigned int __devinit pismo_width_to_bytes(unsigned int width) |
88 | { | 62 | { |
@@ -231,9 +205,6 @@ static int __devexit pismo_remove(struct i2c_client *client) | |||
231 | for (i = 0; i < ARRAY_SIZE(pismo->dev); i++) | 205 | for (i = 0; i < ARRAY_SIZE(pismo->dev); i++) |
232 | platform_device_unregister(pismo->dev[i]); | 206 | platform_device_unregister(pismo->dev[i]); |
233 | 207 | ||
234 | /* FIXME: set_vpp needs saner arguments */ | ||
235 | pismo_setvpp_remove_fix(pismo); | ||
236 | |||
237 | kfree(pismo); | 208 | kfree(pismo); |
238 | 209 | ||
239 | return 0; | 210 | return 0; |
@@ -257,11 +228,6 @@ static int __devinit pismo_probe(struct i2c_client *client, | |||
257 | if (!pismo) | 228 | if (!pismo) |
258 | return -ENOMEM; | 229 | return -ENOMEM; |
259 | 230 | ||
260 | /* FIXME: set_vpp needs saner arguments */ | ||
261 | ret = pismo_setvpp_probe_fix(pismo); | ||
262 | if (ret) | ||
263 | return ret; | ||
264 | |||
265 | pismo->client = client; | 231 | pismo->client = client; |
266 | if (pdata) { | 232 | if (pdata) { |
267 | pismo->vpp = pdata->set_vpp; | 233 | pismo->vpp = pdata->set_vpp; |