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-rw-r--r--drivers/mtd/maps/Kconfig8
-rw-r--r--drivers/mtd/maps/Makefile1
-rw-r--r--drivers/mtd/maps/ceiva.c341
3 files changed, 0 insertions, 350 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index c0c328c5b133..11cc2307c2ca 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -412,14 +412,6 @@ config MTD_IMPA7
412 This enables access to the NOR Flash on the impA7 board of 412 This enables access to the NOR Flash on the impA7 board of
413 implementa GmbH. If you have such a board, say 'Y' here. 413 implementa GmbH. If you have such a board, say 'Y' here.
414 414
415config MTD_CEIVA
416 tristate "JEDEC Flash device mapped on Ceiva/Polaroid PhotoMax Digital Picture Frame"
417 depends on MTD_JEDECPROBE && ARCH_CEIVA
418 help
419 This enables access to the flash chips on the Ceiva/Polaroid
420 PhotoMax Digital Picture Frame.
421 If you have such a device, say 'Y'.
422
423config MTD_H720X 415config MTD_H720X
424 tristate "Hynix evaluation board mappings" 416 tristate "Hynix evaluation board mappings"
425 depends on MTD_CFI && ( ARCH_H7201 || ARCH_H7202 ) 417 depends on MTD_CFI && ( ARCH_H7201 || ARCH_H7202 )
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index cb48b11affff..d6379fea42b8 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -19,7 +19,6 @@ obj-$(CONFIG_MTD_CK804XROM) += ck804xrom.o
19obj-$(CONFIG_MTD_TSUNAMI) += tsunami_flash.o 19obj-$(CONFIG_MTD_TSUNAMI) += tsunami_flash.o
20obj-$(CONFIG_MTD_PXA2XX) += pxa2xx-flash.o 20obj-$(CONFIG_MTD_PXA2XX) += pxa2xx-flash.o
21obj-$(CONFIG_MTD_MBX860) += mbx860.o 21obj-$(CONFIG_MTD_MBX860) += mbx860.o
22obj-$(CONFIG_MTD_CEIVA) += ceiva.o
23obj-$(CONFIG_MTD_OCTAGON) += octagon-5066.o 22obj-$(CONFIG_MTD_OCTAGON) += octagon-5066.o
24obj-$(CONFIG_MTD_PHYSMAP) += physmap.o 23obj-$(CONFIG_MTD_PHYSMAP) += physmap.o
25obj-$(CONFIG_MTD_PHYSMAP_OF) += physmap_of.o 24obj-$(CONFIG_MTD_PHYSMAP_OF) += physmap_of.o
diff --git a/drivers/mtd/maps/ceiva.c b/drivers/mtd/maps/ceiva.c
deleted file mode 100644
index 06f9c9815720..000000000000
--- a/drivers/mtd/maps/ceiva.c
+++ /dev/null
@@ -1,341 +0,0 @@
1/*
2 * Ceiva flash memory driver.
3 * Copyright (C) 2002 Rob Scott <rscott@mtrob.fdns.net>
4 *
5 * Note: this driver supports jedec compatible devices. Modification
6 * for CFI compatible devices should be straight forward: change
7 * jedec_probe to cfi_probe.
8 *
9 * Based on: sa1100-flash.c, which has the following copyright:
10 * Flash memory access on SA11x0 based devices
11 *
12 * (C) 2000 Nicolas Pitre <nico@fluxnic.net>
13 *
14 */
15
16#include <linux/module.h>
17#include <linux/types.h>
18#include <linux/ioport.h>
19#include <linux/kernel.h>
20#include <linux/init.h>
21#include <linux/slab.h>
22
23#include <linux/mtd/mtd.h>
24#include <linux/mtd/map.h>
25#include <linux/mtd/partitions.h>
26#include <linux/mtd/concat.h>
27
28#include <mach/hardware.h>
29#include <asm/mach-types.h>
30#include <asm/io.h>
31#include <asm/sizes.h>
32
33/*
34 * This isn't complete yet, so...
35 */
36#define CONFIG_MTD_CEIVA_STATICMAP
37
38#ifdef CONFIG_MTD_CEIVA_STATICMAP
39/*
40 * See include/linux/mtd/partitions.h for definition of the mtd_partition
41 * structure.
42 *
43 * Please note:
44 * 1. The flash size given should be the largest flash size that can
45 * be accommodated.
46 *
47 * 2. The bus width must defined in clps_setup_flash.
48 *
49 * The MTD layer will detect flash chip aliasing and reduce the size of
50 * the map accordingly.
51 *
52 */
53
54#ifdef CONFIG_ARCH_CEIVA
55/* Flash / Partition sizing */
56/* For the 28F8003, we use the block mapping to calcuate the sizes */
57#define MAX_SIZE_KiB (16 + 8 + 8 + 96 + (7*128))
58#define BOOT_PARTITION_SIZE_KiB (16)
59#define PARAMS_PARTITION_SIZE_KiB (8)
60#define KERNEL_PARTITION_SIZE_KiB (4*128)
61/* Use both remaining portion of first flash, and all of second flash */
62#define ROOT_PARTITION_SIZE_KiB (3*128) + (8*128)
63
64static struct mtd_partition ceiva_partitions[] = {
65 {
66 .name = "Ceiva BOOT partition",
67 .size = BOOT_PARTITION_SIZE_KiB*1024,
68 .offset = 0,
69
70 },{
71 .name = "Ceiva parameters partition",
72 .size = PARAMS_PARTITION_SIZE_KiB*1024,
73 .offset = (16 + 8) * 1024,
74 },{
75 .name = "Ceiva kernel partition",
76 .size = (KERNEL_PARTITION_SIZE_KiB)*1024,
77 .offset = 0x20000,
78
79 },{
80 .name = "Ceiva root filesystem partition",
81 .offset = MTDPART_OFS_APPEND,
82 .size = (ROOT_PARTITION_SIZE_KiB)*1024,
83 }
84};
85#endif
86
87static int __init clps_static_partitions(struct mtd_partition **parts)
88{
89 int nb_parts = 0;
90
91#ifdef CONFIG_ARCH_CEIVA
92 if (machine_is_ceiva()) {
93 *parts = ceiva_partitions;
94 nb_parts = ARRAY_SIZE(ceiva_partitions);
95 }
96#endif
97 return nb_parts;
98}
99#endif
100
101struct clps_info {
102 unsigned long base;
103 unsigned long size;
104 int width;
105 void *vbase;
106 struct map_info *map;
107 struct mtd_info *mtd;
108 struct resource *res;
109};
110
111#define NR_SUBMTD 4
112
113static struct clps_info info[NR_SUBMTD];
114
115static int __init clps_setup_mtd(struct clps_info *clps, int nr, struct mtd_info **rmtd)
116{
117 struct mtd_info *subdev[nr];
118 struct map_info *maps;
119 int i, found = 0, ret = 0;
120
121 /*
122 * Allocate the map_info structs in one go.
123 */
124 maps = kzalloc(sizeof(struct map_info) * nr, GFP_KERNEL);
125 if (!maps)
126 return -ENOMEM;
127 /*
128 * Claim and then map the memory regions.
129 */
130 for (i = 0; i < nr; i++) {
131 if (clps[i].base == (unsigned long)-1)
132 break;
133
134 clps[i].res = request_mem_region(clps[i].base, clps[i].size, "clps flash");
135 if (!clps[i].res) {
136 ret = -EBUSY;
137 break;
138 }
139
140 clps[i].map = maps + i;
141
142 clps[i].map->name = "clps flash";
143 clps[i].map->phys = clps[i].base;
144
145 clps[i].vbase = ioremap(clps[i].base, clps[i].size);
146 if (!clps[i].vbase) {
147 ret = -ENOMEM;
148 break;
149 }
150
151 clps[i].map->virt = (void __iomem *)clps[i].vbase;
152 clps[i].map->bankwidth = clps[i].width;
153 clps[i].map->size = clps[i].size;
154
155 simple_map_init(&clps[i].map);
156
157 clps[i].mtd = do_map_probe("jedec_probe", clps[i].map);
158 if (clps[i].mtd == NULL) {
159 ret = -ENXIO;
160 break;
161 }
162 clps[i].mtd->owner = THIS_MODULE;
163 subdev[i] = clps[i].mtd;
164
165 printk(KERN_INFO "clps flash: JEDEC device at 0x%08lx, %dMiB, "
166 "%d-bit\n", clps[i].base, clps[i].mtd->size >> 20,
167 clps[i].width * 8);
168 found += 1;
169 }
170
171 /*
172 * ENXIO is special. It means we didn't find a chip when
173 * we probed. We need to tear down the mapping, free the
174 * resource and mark it as such.
175 */
176 if (ret == -ENXIO) {
177 iounmap(clps[i].vbase);
178 clps[i].vbase = NULL;
179 release_resource(clps[i].res);
180 clps[i].res = NULL;
181 }
182
183 /*
184 * If we found one device, don't bother with concat support.
185 * If we found multiple devices, use concat if we have it
186 * available, otherwise fail.
187 */
188 if (ret == 0 || ret == -ENXIO) {
189 if (found == 1) {
190 *rmtd = subdev[0];
191 ret = 0;
192 } else if (found > 1) {
193 /*
194 * We detected multiple devices. Concatenate
195 * them together.
196 */
197 *rmtd = mtd_concat_create(subdev, found,
198 "clps flash");
199 if (*rmtd == NULL)
200 ret = -ENXIO;
201 }
202 }
203
204 /*
205 * If we failed, clean up.
206 */
207 if (ret) {
208 do {
209 if (clps[i].mtd)
210 map_destroy(clps[i].mtd);
211 if (clps[i].vbase)
212 iounmap(clps[i].vbase);
213 if (clps[i].res)
214 release_resource(clps[i].res);
215 } while (i--);
216
217 kfree(maps);
218 }
219
220 return ret;
221}
222
223static void __exit clps_destroy_mtd(struct clps_info *clps, struct mtd_info *mtd)
224{
225 int i;
226
227 mtd_device_unregister(mtd);
228
229 if (mtd != clps[0].mtd)
230 mtd_concat_destroy(mtd);
231
232 for (i = NR_SUBMTD; i >= 0; i--) {
233 if (clps[i].mtd)
234 map_destroy(clps[i].mtd);
235 if (clps[i].vbase)
236 iounmap(clps[i].vbase);
237 if (clps[i].res)
238 release_resource(clps[i].res);
239 }
240 kfree(clps[0].map);
241}
242
243/*
244 * We define the memory space, size, and width for the flash memory
245 * space here.
246 */
247
248static int __init clps_setup_flash(void)
249{
250 int nr = 0;
251
252#ifdef CONFIG_ARCH_CEIVA
253 if (machine_is_ceiva()) {
254 info[0].base = CS0_PHYS_BASE;
255 info[0].size = SZ_32M;
256 info[0].width = CEIVA_FLASH_WIDTH;
257 info[1].base = CS1_PHYS_BASE;
258 info[1].size = SZ_32M;
259 info[1].width = CEIVA_FLASH_WIDTH;
260 nr = 2;
261 }
262#endif
263 return nr;
264}
265
266static struct mtd_partition *parsed_parts;
267static const char *probes[] = { "cmdlinepart", "RedBoot", NULL };
268
269static void __init clps_locate_partitions(struct mtd_info *mtd)
270{
271 const char *part_type = NULL;
272 int nr_parts = 0;
273 do {
274 /*
275 * Partition selection stuff.
276 */
277 nr_parts = parse_mtd_partitions(mtd, probes, &parsed_parts, 0);
278 if (nr_parts > 0) {
279 part_type = "command line";
280 break;
281 }
282#ifdef CONFIG_MTD_CEIVA_STATICMAP
283 nr_parts = clps_static_partitions(&parsed_parts);
284 if (nr_parts > 0) {
285 part_type = "static";
286 break;
287 }
288 printk("found: %d partitions\n", nr_parts);
289#endif
290 } while (0);
291
292 if (nr_parts == 0) {
293 printk(KERN_NOTICE "clps flash: no partition info "
294 "available, registering whole flash\n");
295 mtd_device_register(mtd, NULL, 0);
296 } else {
297 printk(KERN_NOTICE "clps flash: using %s partition "
298 "definition\n", part_type);
299 mtd_device_register(mtd, parsed_parts, nr_parts);
300 }
301
302 /* Always succeeds. */
303}
304
305static void __exit clps_destroy_partitions(void)
306{
307 kfree(parsed_parts);
308}
309
310static struct mtd_info *mymtd;
311
312static int __init clps_mtd_init(void)
313{
314 int ret;
315 int nr;
316
317 nr = clps_setup_flash();
318 if (nr < 0)
319 return nr;
320
321 ret = clps_setup_mtd(info, nr, &mymtd);
322 if (ret)
323 return ret;
324
325 clps_locate_partitions(mymtd);
326
327 return 0;
328}
329
330static void __exit clps_mtd_cleanup(void)
331{
332 clps_destroy_mtd(info, mymtd);
333 clps_destroy_partitions();
334}
335
336module_init(clps_mtd_init);
337module_exit(clps_mtd_cleanup);
338
339MODULE_AUTHOR("Rob Scott");
340MODULE_DESCRIPTION("Cirrus Logic JEDEC map driver");
341MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-01 14:54:40 -0500