diff options
Diffstat (limited to 'drivers/mtd/maps/edb7312.c')
-rw-r--r-- | drivers/mtd/maps/edb7312.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/drivers/mtd/maps/edb7312.c b/drivers/mtd/maps/edb7312.c deleted file mode 100644 index fe42a212bb3..00000000000 --- a/drivers/mtd/maps/edb7312.c +++ /dev/null | |||
@@ -1,134 +0,0 @@ | |||
1 | /* | ||
2 | * Handle mapping of the NOR flash on Cogent EDB7312 boards | ||
3 | * | ||
4 | * Copyright 2002 SYSGO Real-Time Solutions GmbH | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #include <linux/module.h> | ||
12 | #include <linux/types.h> | ||
13 | #include <linux/kernel.h> | ||
14 | #include <linux/init.h> | ||
15 | #include <asm/io.h> | ||
16 | #include <linux/mtd/mtd.h> | ||
17 | #include <linux/mtd/map.h> | ||
18 | #include <linux/mtd/partitions.h> | ||
19 | |||
20 | #define WINDOW_ADDR 0x00000000 /* physical properties of flash */ | ||
21 | #define WINDOW_SIZE 0x01000000 | ||
22 | #define BUSWIDTH 2 | ||
23 | #define FLASH_BLOCKSIZE_MAIN 0x20000 | ||
24 | #define FLASH_NUMBLOCKS_MAIN 128 | ||
25 | /* can be "cfi_probe", "jedec_probe", "map_rom", NULL }; */ | ||
26 | #define PROBETYPES { "cfi_probe", NULL } | ||
27 | |||
28 | #define MSG_PREFIX "EDB7312-NOR:" /* prefix for our printk()'s */ | ||
29 | #define MTDID "edb7312-nor" /* for mtdparts= partitioning */ | ||
30 | |||
31 | static struct mtd_info *mymtd; | ||
32 | |||
33 | struct map_info edb7312nor_map = { | ||
34 | .name = "NOR flash on EDB7312", | ||
35 | .size = WINDOW_SIZE, | ||
36 | .bankwidth = BUSWIDTH, | ||
37 | .phys = WINDOW_ADDR, | ||
38 | }; | ||
39 | |||
40 | /* | ||
41 | * MTD partitioning stuff | ||
42 | */ | ||
43 | static struct mtd_partition static_partitions[3] = | ||
44 | { | ||
45 | { | ||
46 | .name = "ARMboot", | ||
47 | .size = 0x40000, | ||
48 | .offset = 0 | ||
49 | }, | ||
50 | { | ||
51 | .name = "Kernel", | ||
52 | .size = 0x200000, | ||
53 | .offset = 0x40000 | ||
54 | }, | ||
55 | { | ||
56 | .name = "RootFS", | ||
57 | .size = 0xDC0000, | ||
58 | .offset = 0x240000 | ||
59 | }, | ||
60 | }; | ||
61 | |||
62 | static const char *probes[] = { "RedBoot", "cmdlinepart", NULL }; | ||
63 | |||
64 | static int mtd_parts_nb = 0; | ||
65 | static struct mtd_partition *mtd_parts = 0; | ||
66 | |||
67 | static int __init init_edb7312nor(void) | ||
68 | { | ||
69 | static const char *rom_probe_types[] = PROBETYPES; | ||
70 | const char **type; | ||
71 | const char *part_type = 0; | ||
72 | |||
73 | printk(KERN_NOTICE MSG_PREFIX "0x%08x at 0x%08x\n", | ||
74 | WINDOW_SIZE, WINDOW_ADDR); | ||
75 | edb7312nor_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE); | ||
76 | |||
77 | if (!edb7312nor_map.virt) { | ||
78 | printk(MSG_PREFIX "failed to ioremap\n"); | ||
79 | return -EIO; | ||
80 | } | ||
81 | |||
82 | simple_map_init(&edb7312nor_map); | ||
83 | |||
84 | mymtd = 0; | ||
85 | type = rom_probe_types; | ||
86 | for(; !mymtd && *type; type++) { | ||
87 | mymtd = do_map_probe(*type, &edb7312nor_map); | ||
88 | } | ||
89 | if (mymtd) { | ||
90 | mymtd->owner = THIS_MODULE; | ||
91 | |||
92 | mtd_parts_nb = parse_mtd_partitions(mymtd, probes, &mtd_parts, MTDID); | ||
93 | if (mtd_parts_nb > 0) | ||
94 | part_type = "detected"; | ||
95 | |||
96 | if (mtd_parts_nb == 0) { | ||
97 | mtd_parts = static_partitions; | ||
98 | mtd_parts_nb = ARRAY_SIZE(static_partitions); | ||
99 | part_type = "static"; | ||
100 | } | ||
101 | |||
102 | if (mtd_parts_nb == 0) | ||
103 | printk(KERN_NOTICE MSG_PREFIX "no partition info available\n"); | ||
104 | else | ||
105 | printk(KERN_NOTICE MSG_PREFIX | ||
106 | "using %s partition definition\n", part_type); | ||
107 | /* Register the whole device first. */ | ||
108 | mtd_device_register(mymtd, NULL, 0); | ||
109 | mtd_device_register(mymtd, mtd_parts, mtd_parts_nb); | ||
110 | return 0; | ||
111 | } | ||
112 | |||
113 | iounmap((void *)edb7312nor_map.virt); | ||
114 | return -ENXIO; | ||
115 | } | ||
116 | |||
117 | static void __exit cleanup_edb7312nor(void) | ||
118 | { | ||
119 | if (mymtd) { | ||
120 | mtd_device_unregister(mymtd); | ||
121 | map_destroy(mymtd); | ||
122 | } | ||
123 | if (edb7312nor_map.virt) { | ||
124 | iounmap((void *)edb7312nor_map.virt); | ||
125 | edb7312nor_map.virt = 0; | ||
126 | } | ||
127 | } | ||
128 | |||
129 | module_init(init_edb7312nor); | ||
130 | module_exit(cleanup_edb7312nor); | ||
131 | |||
132 | MODULE_LICENSE("GPL"); | ||
133 | MODULE_AUTHOR("Marius Groeger <mag@sysgo.de>"); | ||
134 | MODULE_DESCRIPTION("Generic configurable MTD map driver"); | ||