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authorDavid Woodhouse <dwmw2@infradead.org>2007-08-23 05:44:17 -0400
committerDavid Woodhouse <dwmw2@infradead.org>2007-08-23 05:44:17 -0400
commit62d24d91109c3bcd5a5d3fe6cbe354e65e787300 (patch)
tree8f1e64987046b1914d3d1117e6969ca32095a7af /drivers/mtd/maps
parentac0c955d5048c2c580fa7166a89133f0fd76c125 (diff)
parent34a27ffdf59f80fe165f5c56a0be57d55b6da63d (diff)
Merge branch 'mtd-2.6.24' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc
Diffstat (limited to 'drivers/mtd/maps')
-rw-r--r--drivers/mtd/maps/Kconfig12
-rw-r--r--drivers/mtd/maps/Makefile1
-rw-r--r--drivers/mtd/maps/pq2fads.c88
-rw-r--r--drivers/mtd/maps/tqm834x.c286
4 files changed, 2 insertions, 385 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index cc6c73442435..5850ccd0dc07 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -354,7 +354,7 @@ config MTD_CFI_FLAGADM
354 354
355config MTD_WALNUT 355config MTD_WALNUT
356 tristate "Flash device mapped on IBM 405GP Walnut" 356 tristate "Flash device mapped on IBM 405GP Walnut"
357 depends on MTD_JEDECPROBE && WALNUT 357 depends on MTD_JEDECPROBE && WALNUT && !PPC_MERGE
358 help 358 help
359 This enables access routines for the flash chips on the IBM 405GP 359 This enables access routines for the flash chips on the IBM 405GP
360 Walnut board. If you have one of these boards and would like to 360 Walnut board. If you have one of these boards and would like to
@@ -370,7 +370,7 @@ config MTD_EBONY
370 370
371config MTD_OCOTEA 371config MTD_OCOTEA
372 tristate "Flash devices mapped on IBM 440GX Ocotea" 372 tristate "Flash devices mapped on IBM 440GX Ocotea"
373 depends on MTD_CFI && OCOTEA 373 depends on MTD_CFI && OCOTEA && !PPC_MERGE
374 help 374 help
375 This enables access routines for the flash chips on the IBM 440GX 375 This enables access routines for the flash chips on the IBM 440GX
376 Ocotea board. If you have one of these boards and would like to 376 Ocotea board. If you have one of these boards and would like to
@@ -384,14 +384,6 @@ config MTD_REDWOOD
384 Redwood board. If you have one of these boards and would like to 384 Redwood board. If you have one of these boards and would like to
385 use the flash chips on it, say 'Y'. 385 use the flash chips on it, say 'Y'.
386 386
387config MTD_TQM834x
388 tristate "Flash device mapped on TQ Components TQM834x Boards"
389 depends on MTD_CFI && TQM834x
390 help
391 This enables access routines for the flash chips on the
392 TQ Components TQM834x boards. If you have one of these boards
393 and would like to use the flash chips on it, say 'Y'.
394
395config MTD_OCELOT 387config MTD_OCELOT
396 tristate "Momenco Ocelot boot flash device" 388 tristate "Momenco Ocelot boot flash device"
397 depends on MOMENCO_OCELOT 389 depends on MOMENCO_OCELOT
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index 970b189271a2..b9019b1b196c 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -70,4 +70,3 @@ obj-$(CONFIG_MTD_SHARP_SL) += sharpsl-flash.o
70obj-$(CONFIG_MTD_PLATRAM) += plat-ram.o 70obj-$(CONFIG_MTD_PLATRAM) += plat-ram.o
71obj-$(CONFIG_MTD_OMAP_NOR) += omap_nor.o 71obj-$(CONFIG_MTD_OMAP_NOR) += omap_nor.o
72obj-$(CONFIG_MTD_MTX1) += mtx-1_flash.o 72obj-$(CONFIG_MTD_MTX1) += mtx-1_flash.o
73obj-$(CONFIG_MTD_TQM834x) += tqm834x.o
diff --git a/drivers/mtd/maps/pq2fads.c b/drivers/mtd/maps/pq2fads.c
deleted file mode 100644
index fb78d87cc130..000000000000
--- a/drivers/mtd/maps/pq2fads.c
+++ /dev/null
@@ -1,88 +0,0 @@
1/*
2 * drivers/mtd/maps/pq2fads.c
3 *
4 * Mapping for the flash SIMM on 8272ADS and PQ2FADS board
5 *
6 * Author: Vitaly Bordug <vbordug@ru.mvista.com>
7 *
8 * 2005 (c) MontaVista Software, Inc. This file is licensed under
9 * the terms of the GNU General Public License version 2. This program
10 * is licensed "as is" without any warranty of any kind, whether express
11 * or implied.
12 */
13
14#include <linux/module.h>
15#include <linux/types.h>
16#include <linux/kernel.h>
17#include <linux/init.h>
18#include <asm/io.h>
19#include <asm/ppcboot.h>
20#include <linux/mtd/mtd.h>
21#include <linux/mtd/map.h>
22#include <linux/mtd/partitions.h>
23#include <linux/mtd/physmap.h>
24
25/*
26 NOTE: bank width and interleave relative to the installed flash
27 should have been chosen within MTD_CFI_GEOMETRY options.
28 */
29#define PQ2FADS_BANK_WIDTH 4
30
31static struct mtd_partition pq2fads_partitions[] = {
32 {
33#ifdef CONFIG_ADS8272
34 .name = "HRCW",
35 .size = 0x40000,
36 .offset = 0,
37 .mask_flags = MTD_WRITEABLE, /* force read-only */
38 }, {
39 .name = "User FS",
40 .size = 0x5c0000,
41 .offset = 0x40000,
42#else
43 .name = "User FS",
44 .size = 0x600000,
45 .offset = 0,
46#endif
47 }, {
48 .name = "uImage",
49 .size = 0x100000,
50 .offset = 0x600000,
51 .mask_flags = MTD_WRITEABLE, /* force read-only */
52 }, {
53 .name = "bootloader",
54 .size = 0x40000,
55 .offset = 0x700000,
56 .mask_flags = MTD_WRITEABLE, /* force read-only */
57 }, {
58 .name = "bootloader env",
59 .size = 0x40000,
60 .offset = 0x740000,
61 .mask_flags = MTD_WRITEABLE, /* force read-only */
62 }
63};
64
65
66/* pointer to MPC885ADS board info data */
67extern unsigned char __res[];
68
69static int __init init_pq2fads_mtd(void)
70{
71 bd_t *bd = (bd_t *)__res;
72 physmap_configure(bd->bi_flashstart, bd->bi_flashsize, PQ2FADS_BANK_WIDTH, NULL);
73
74 physmap_set_partitions(pq2fads_partitions,
75 sizeof (pq2fads_partitions) /
76 sizeof (pq2fads_partitions[0]));
77 return 0;
78}
79
80static void __exit cleanup_pq2fads_mtd(void)
81{
82}
83
84module_init(init_pq2fads_mtd);
85module_exit(cleanup_pq2fads_mtd);
86
87MODULE_LICENSE("GPL");
88MODULE_DESCRIPTION("MTD map and partitions for MPC8272ADS boards");
diff --git a/drivers/mtd/maps/tqm834x.c b/drivers/mtd/maps/tqm834x.c
deleted file mode 100644
index 9adc970e55e6..000000000000
--- a/drivers/mtd/maps/tqm834x.c
+++ /dev/null
@@ -1,286 +0,0 @@
1/*
2 * drivers/mtd/maps/tqm834x.c
3 *
4 * MTD mapping driver for TQM834x boards
5 *
6 * Copyright 2005 Wolfgang Denk, DENX Software Engineering, <wd@denx.de>.
7 *
8 * This file is licensed under the terms of the GNU General Public License
9 * version 2. This program is licensed "as is" without any warranty of any
10 * kind, whether express or implied.
11 *
12 */
13
14#include <linux/init.h>
15#include <linux/module.h>
16#include <linux/types.h>
17#include <linux/kernel.h>
18#include <linux/slab.h>
19#include <asm/io.h>
20#include <asm/ppcboot.h>
21
22#include <linux/mtd/mtd.h>
23#include <linux/mtd/map.h>
24#include <linux/mtd/partitions.h>
25
26#define FLASH_BANK_MAX 2
27
28extern unsigned char __res[];
29
30/* trivial struct to describe partition information */
31struct mtd_part_def
32{
33 int nums;
34 unsigned char *type;
35 struct mtd_partition* mtd_part;
36};
37
38static struct mtd_info* mtd_banks[FLASH_BANK_MAX];
39static struct map_info* map_banks[FLASH_BANK_MAX];
40static struct mtd_part_def part_banks[FLASH_BANK_MAX];
41
42static unsigned long num_banks;
43static unsigned long start_scan_addr;
44
45#ifdef CONFIG_MTD_PARTITIONS
46/*
47 * The following defines the partition layout of TQM834x boards.
48 *
49 * See include/linux/mtd/partitions.h for definition of the
50 * mtd_partition structure.
51 *
52 * Assume minimal initial size of 4 MiB per bank, will be updated
53 * later in init_tqm834x_mtd() routine.
54 */
55
56/* Partition definition for the first flash bank which is always present. */
57static struct mtd_partition tqm834x_partitions_bank1[] = {
58 {
59 .name = "u-boot", /* u-boot firmware */
60 .offset = 0x00000000,
61 .size = 0x00040000, /* 256 KiB */
62 /*mask_flags: MTD_WRITEABLE, * force read-only */
63 },
64 {
65 .name = "env", /* u-boot environment */
66 .offset = 0x00040000,
67 .size = 0x00020000, /* 128 KiB */
68 /*mask_flags: MTD_WRITEABLE, * force read-only */
69 },
70 {
71 .name = "kernel", /* linux kernel image */
72 .offset = 0x00060000,
73 .size = 0x00100000, /* 1 MiB */
74 /*mask_flags: MTD_WRITEABLE, * force read-only */
75 },
76 {
77 .name = "initrd", /* ramdisk image */
78 .offset = 0x00160000,
79 .size = 0x00200000, /* 2 MiB */
80 },
81 {
82 .name = "user", /* user data */
83 .offset = 0x00360000,
84 .size = 0x000a0000, /* remaining space */
85 /* NOTE: this parttion size is re-calcated in */
86 /* init_tqm834x_mtd() to cover actual remaining space. */
87 },
88};
89
90/* Partition definition for the second flash bank which may be present on some
91 * TQM834x boards.
92 */
93static struct mtd_partition tqm834x_partitions_bank2[] = {
94 {
95 .name = "jffs2", /* jffs2 filesystem */
96 .offset = 0x00000000,
97 .size = 0x00400000, /* whole device */
98 /* NOTE: this parttion size is re-calcated in */
99 /* init_tqm834x_mtd() to cover actual device size. */
100 },
101};
102
103#endif /* CONFIG_MTD_PARTITIONS */
104
105static int __init init_tqm834x_mtd(void)
106{
107 int idx = 0, ret = 0;
108 unsigned long flash_addr, flash_size, mtd_size = 0;
109
110 /* pointer to TQM834x board info data */
111 bd_t *bd = (bd_t *)__res;
112#ifdef CONFIG_MTD_CMDLINE_PARTS
113 int n;
114 char mtdid[4];
115 const char *part_probes[] = { "cmdlinepart", NULL };
116#endif
117
118 flash_addr = bd->bi_flashstart;
119 flash_size = bd->bi_flashsize;
120
121 /* request maximum flash size address space */
122 start_scan_addr = (unsigned long)ioremap(flash_addr, flash_size);
123 if (!start_scan_addr) {
124 printk("%s: Failed to ioremap address: 0x%lx\n",
125 __FUNCTION__, flash_addr);
126 return -EIO;
127 }
128
129 for(idx = 0 ; idx < FLASH_BANK_MAX ; idx++) {
130 if (mtd_size >= flash_size)
131 break;
132
133 pr_debug("%s: chip probing count %d\n", __FUNCTION__, idx);
134
135 map_banks[idx] = kzalloc(sizeof(struct map_info), GFP_KERNEL);
136 if (map_banks[idx] == NULL) {
137 ret = -ENOMEM;
138 goto error_mem;
139 }
140 map_banks[idx]->name = kzalloc(16, GFP_KERNEL);
141 if (map_banks[idx]->name == NULL) {
142 ret = -ENOMEM;
143 goto error_mem;
144 }
145
146 sprintf(map_banks[idx]->name, "TQM834x-%d", idx);
147 map_banks[idx]->size = flash_size;
148 map_banks[idx]->bankwidth = 4;
149
150 simple_map_init(map_banks[idx]);
151
152 map_banks[idx]->virt = (void __iomem *)
153 (start_scan_addr + ((idx > 0) ?
154 (mtd_banks[idx-1] ? mtd_banks[idx-1]->size : 0) : 0));
155 map_banks[idx]->phys =
156 flash_addr + ((idx > 0) ?
157 (mtd_banks[idx-1] ? mtd_banks[idx-1]->size : 0) : 0);
158
159 /* start to probe flash chips */
160 mtd_banks[idx] = do_map_probe("cfi_probe", map_banks[idx]);
161 if (mtd_banks[idx]) {
162 mtd_banks[idx]->owner = THIS_MODULE;
163 mtd_size += mtd_banks[idx]->size;
164 num_banks++;
165 pr_debug("%s: bank %ld, name: %s, size: %d bytes \n",
166 __FUNCTION__, num_banks,
167 mtd_banks[idx]->name, mtd_banks[idx]->size);
168 }
169 }
170
171 /* no supported flash chips found */
172 if (!num_banks) {
173 printk("TQM834x: No supported flash chips found!\n");
174 ret = -ENXIO;
175 goto error_mem;
176 }
177
178#ifdef CONFIG_MTD_PARTITIONS
179 /*
180 * Select static partition definitions
181 */
182 n = ARRAY_SIZE(tqm834x_partitions_bank1);
183 part_banks[0].mtd_part = tqm834x_partitions_bank1;
184 part_banks[0].type = "static image bank1";
185 part_banks[0].nums = n;
186
187 /* update last partition size to cover actual remaining space */
188 tqm834x_partitions_bank1[n - 1].size =
189 mtd_banks[0]->size -
190 tqm834x_partitions_bank1[n - 1].offset;
191
192 /* check if we have second bank? */
193 if (num_banks == 2) {
194 n = ARRAY_SIZE(tqm834x_partitions_bank2);
195 part_banks[1].mtd_part = tqm834x_partitions_bank2;
196 part_banks[1].type = "static image bank2";
197 part_banks[1].nums = n;
198
199 /* update last partition size to cover actual remaining space */
200 tqm834x_partitions_bank2[n - 1].size =
201 mtd_banks[1]->size -
202 tqm834x_partitions_bank2[n - 1].offset;
203 }
204
205 for(idx = 0; idx < num_banks ; idx++) {
206#ifdef CONFIG_MTD_CMDLINE_PARTS
207 sprintf(mtdid, "%d", idx);
208 n = parse_mtd_partitions(mtd_banks[idx],
209 part_probes,
210 &part_banks[idx].mtd_part,
211 0);
212 pr_debug("%s: %d command line partitions on bank %s\n",
213 __FUNCTION__, n, mtdid);
214 if (n > 0) {
215 part_banks[idx].type = "command line";
216 part_banks[idx].nums = n;
217 }
218#endif /* CONFIG_MTD_CMDLINE_PARTS */
219 if (part_banks[idx].nums == 0) {
220 printk(KERN_NOTICE
221 "TQM834x flash bank %d: no partition info "
222 "available, registering whole device\n", idx);
223 add_mtd_device(mtd_banks[idx]);
224 } else {
225 printk(KERN_NOTICE
226 "TQM834x flash bank %d: Using %s partition "
227 "definition\n", idx, part_banks[idx].type);
228 add_mtd_partitions(mtd_banks[idx],
229 part_banks[idx].mtd_part,
230 part_banks[idx].nums);
231 }
232 }
233#else /* ! CONFIG_MTD_PARTITIONS */
234 printk(KERN_NOTICE "TQM834x flash: registering %d flash banks "
235 "at once\n", num_banks);
236
237 for(idx = 0 ; idx < num_banks ; idx++)
238 add_mtd_device(mtd_banks[idx]);
239
240#endif /* CONFIG_MTD_PARTITIONS */
241
242 return 0;
243error_mem:
244 for (idx = 0 ; idx < FLASH_BANK_MAX ; idx++) {
245 if (map_banks[idx] != NULL) {
246 if (map_banks[idx]->name != NULL) {
247 kfree(map_banks[idx]->name);
248 map_banks[idx]->name = NULL;
249 }
250 kfree(map_banks[idx]);
251 map_banks[idx] = NULL;
252 }
253 }
254
255 iounmap((void *)start_scan_addr);
256
257 return ret;
258}
259
260static void __exit cleanup_tqm834x_mtd(void)
261{
262 unsigned int idx = 0;
263 for(idx = 0 ; idx < num_banks ; idx++) {
264 /* destroy mtd_info previously allocated */
265 if (mtd_banks[idx]) {
266 del_mtd_partitions(mtd_banks[idx]);
267 map_destroy(mtd_banks[idx]);
268 }
269
270 /* release map_info not used anymore */
271 kfree(map_banks[idx]->name);
272 kfree(map_banks[idx]);
273 }
274
275 if (start_scan_addr) {
276 iounmap((void *)start_scan_addr);
277 start_scan_addr = 0;
278 }
279}
280
281module_init(init_tqm834x_mtd);
282module_exit(cleanup_tqm834x_mtd);
283
284MODULE_LICENSE("GPL");
285MODULE_AUTHOR("Wolfgang Denk <wd@denx.de>");
286MODULE_DESCRIPTION("MTD map driver for TQM834x boards");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-20 19:08:51 -0500