diff options
Diffstat (limited to 'drivers/mtd/maps/arctic-mtd.c')
-rw-r--r-- | drivers/mtd/maps/arctic-mtd.c | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/drivers/mtd/maps/arctic-mtd.c b/drivers/mtd/maps/arctic-mtd.c deleted file mode 100644 index 2cc902436275..000000000000 --- a/drivers/mtd/maps/arctic-mtd.c +++ /dev/null | |||
@@ -1,145 +0,0 @@ | |||
1 | /* | ||
2 | * $Id: arctic-mtd.c,v 1.14 2005/11/07 11:14:26 gleixner Exp $ | ||
3 | * | ||
4 | * drivers/mtd/maps/arctic-mtd.c MTD mappings and partition tables for | ||
5 | * IBM 405LP Arctic boards. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * This program is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License | ||
18 | * along with this program; if not, write to the Free Software | ||
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
20 | * | ||
21 | * Copyright (C) 2002, International Business Machines Corporation | ||
22 | * All Rights Reserved. | ||
23 | * | ||
24 | * Bishop Brock | ||
25 | * IBM Research, Austin Center for Low-Power Computing | ||
26 | * bcbrock@us.ibm.com | ||
27 | * March 2002 | ||
28 | * | ||
29 | * modified for Arctic by, | ||
30 | * David Gibson | ||
31 | * IBM OzLabs, Canberra, Australia | ||
32 | * <arctic@gibson.dropbear.id.au> | ||
33 | */ | ||
34 | |||
35 | #include <linux/kernel.h> | ||
36 | #include <linux/module.h> | ||
37 | #include <linux/types.h> | ||
38 | #include <linux/init.h> | ||
39 | |||
40 | #include <linux/mtd/mtd.h> | ||
41 | #include <linux/mtd/map.h> | ||
42 | #include <linux/mtd/partitions.h> | ||
43 | |||
44 | #include <asm/io.h> | ||
45 | #include <asm/ibm4xx.h> | ||
46 | |||
47 | /* | ||
48 | * 0 : 0xFE00 0000 - 0xFEFF FFFF : Filesystem 1 (16MiB) | ||
49 | * 1 : 0xFF00 0000 - 0xFF4F FFFF : kernel (5.12MiB) | ||
50 | * 2 : 0xFF50 0000 - 0xFFF5 FFFF : Filesystem 2 (10.624MiB) (if non-XIP) | ||
51 | * 3 : 0xFFF6 0000 - 0xFFFF FFFF : PIBS Firmware (640KiB) | ||
52 | */ | ||
53 | |||
54 | #define FFS1_SIZE 0x01000000 /* 16MiB */ | ||
55 | #define KERNEL_SIZE 0x00500000 /* 5.12MiB */ | ||
56 | #define FFS2_SIZE 0x00a60000 /* 10.624MiB */ | ||
57 | #define FIRMWARE_SIZE 0x000a0000 /* 640KiB */ | ||
58 | |||
59 | |||
60 | #define NAME "Arctic Linux Flash" | ||
61 | #define PADDR SUBZERO_BOOTFLASH_PADDR | ||
62 | #define BUSWIDTH 2 | ||
63 | #define SIZE SUBZERO_BOOTFLASH_SIZE | ||
64 | #define PARTITIONS 4 | ||
65 | |||
66 | /* Flash memories on these boards are memory resources, accessed big-endian. */ | ||
67 | |||
68 | { | ||
69 | /* do nothing for now */ | ||
70 | } | ||
71 | |||
72 | static struct map_info arctic_mtd_map = { | ||
73 | .name = NAME, | ||
74 | .size = SIZE, | ||
75 | .bankwidth = BUSWIDTH, | ||
76 | .phys = PADDR, | ||
77 | }; | ||
78 | |||
79 | static struct mtd_info *arctic_mtd; | ||
80 | |||
81 | static struct mtd_partition arctic_partitions[PARTITIONS] = { | ||
82 | { .name = "Filesystem", | ||
83 | .size = FFS1_SIZE, | ||
84 | .offset = 0,}, | ||
85 | { .name = "Kernel", | ||
86 | .size = KERNEL_SIZE, | ||
87 | .offset = FFS1_SIZE,}, | ||
88 | { .name = "Filesystem", | ||
89 | .size = FFS2_SIZE, | ||
90 | .offset = FFS1_SIZE + KERNEL_SIZE,}, | ||
91 | { .name = "Firmware", | ||
92 | .size = FIRMWARE_SIZE, | ||
93 | .offset = SUBZERO_BOOTFLASH_SIZE - FIRMWARE_SIZE,}, | ||
94 | }; | ||
95 | |||
96 | static int __init | ||
97 | init_arctic_mtd(void) | ||
98 | { | ||
99 | int err; | ||
100 | |||
101 | printk("%s: 0x%08x at 0x%08x\n", NAME, SIZE, PADDR); | ||
102 | |||
103 | arctic_mtd_map.virt = ioremap(PADDR, SIZE); | ||
104 | |||
105 | if (!arctic_mtd_map.virt) { | ||
106 | printk("%s: failed to ioremap 0x%x\n", NAME, PADDR); | ||
107 | return -EIO; | ||
108 | } | ||
109 | simple_map_init(&arctic_mtd_map); | ||
110 | |||
111 | printk("%s: probing %d-bit flash bus\n", NAME, BUSWIDTH * 8); | ||
112 | arctic_mtd = do_map_probe("cfi_probe", &arctic_mtd_map); | ||
113 | |||
114 | if (!arctic_mtd) { | ||
115 | iounmap(arctic_mtd_map.virt); | ||
116 | return -ENXIO; | ||
117 | } | ||
118 | |||
119 | arctic_mtd->owner = THIS_MODULE; | ||
120 | |||
121 | err = add_mtd_partitions(arctic_mtd, arctic_partitions, PARTITIONS); | ||
122 | if (err) { | ||
123 | printk("%s: add_mtd_partitions failed\n", NAME); | ||
124 | iounmap(arctic_mtd_map.virt); | ||
125 | } | ||
126 | |||
127 | return err; | ||
128 | } | ||
129 | |||
130 | static void __exit | ||
131 | cleanup_arctic_mtd(void) | ||
132 | { | ||
133 | if (arctic_mtd) { | ||
134 | del_mtd_partitions(arctic_mtd); | ||
135 | map_destroy(arctic_mtd); | ||
136 | iounmap((void *) arctic_mtd_map.virt); | ||
137 | } | ||
138 | } | ||
139 | |||
140 | module_init(init_arctic_mtd); | ||
141 | module_exit(cleanup_arctic_mtd); | ||
142 | |||
143 | MODULE_LICENSE("GPL"); | ||
144 | MODULE_AUTHOR("David Gibson <arctic@gibson.dropbear.id.au>"); | ||
145 | MODULE_DESCRIPTION("MTD map and partitions for IBM 405LP Arctic boards"); | ||