diff options
Diffstat (limited to 'drivers/mtd/maps/pmcmsp-ramroot.c')
-rw-r--r-- | drivers/mtd/maps/pmcmsp-ramroot.c | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/drivers/mtd/maps/pmcmsp-ramroot.c b/drivers/mtd/maps/pmcmsp-ramroot.c deleted file mode 100644 index 30de5c0c09a9..000000000000 --- a/drivers/mtd/maps/pmcmsp-ramroot.c +++ /dev/null | |||
@@ -1,104 +0,0 @@ | |||
1 | /* | ||
2 | * Mapping of the rootfs in a physical region of memory | ||
3 | * | ||
4 | * Copyright (C) 2005-2007 PMC-Sierra Inc. | ||
5 | * Author: Andrew Hughes, Andrew_Hughes@pmc-sierra.com | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify it | ||
8 | * under the terms of the GNU General Public License as published by the | ||
9 | * Free Software Foundation; either version 2 of the License, or (at your | ||
10 | * option) any later version. | ||
11 | * | ||
12 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | ||
13 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
14 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | ||
15 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
16 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
17 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | ||
18 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
19 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
20 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
21 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
22 | * | ||
23 | * You should have received a copy of the GNU General Public License along | ||
24 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
25 | * 675 Mass Ave, Cambridge, MA 02139, USA. | ||
26 | */ | ||
27 | |||
28 | #include <linux/module.h> | ||
29 | #include <linux/types.h> | ||
30 | #include <linux/kernel.h> | ||
31 | #include <linux/init.h> | ||
32 | #include <linux/slab.h> | ||
33 | #include <linux/fs.h> | ||
34 | #include <linux/root_dev.h> | ||
35 | #include <linux/mtd/mtd.h> | ||
36 | #include <linux/mtd/map.h> | ||
37 | |||
38 | #include <asm/io.h> | ||
39 | |||
40 | #include <msp_prom.h> | ||
41 | |||
42 | static struct mtd_info *rr_mtd; | ||
43 | |||
44 | struct map_info rr_map = { | ||
45 | .name = "ramroot", | ||
46 | .bankwidth = 4, | ||
47 | }; | ||
48 | |||
49 | static int __init init_rrmap(void) | ||
50 | { | ||
51 | void *ramroot_start; | ||
52 | unsigned long ramroot_size; | ||
53 | |||
54 | /* Check for supported rootfs types */ | ||
55 | if (get_ramroot(&ramroot_start, &ramroot_size)) { | ||
56 | rr_map.phys = CPHYSADDR(ramroot_start); | ||
57 | rr_map.size = ramroot_size; | ||
58 | |||
59 | printk(KERN_NOTICE | ||
60 | "PMC embedded root device: 0x%08lx @ 0x%08lx\n", | ||
61 | rr_map.size, (unsigned long)rr_map.phys); | ||
62 | } else { | ||
63 | printk(KERN_ERR | ||
64 | "init_rrmap: no supported embedded rootfs detected!\n"); | ||
65 | return -ENXIO; | ||
66 | } | ||
67 | |||
68 | /* Map rootfs to I/O space for block device driver */ | ||
69 | rr_map.virt = ioremap(rr_map.phys, rr_map.size); | ||
70 | if (!rr_map.virt) { | ||
71 | printk(KERN_ERR "Failed to ioremap\n"); | ||
72 | return -EIO; | ||
73 | } | ||
74 | |||
75 | simple_map_init(&rr_map); | ||
76 | |||
77 | rr_mtd = do_map_probe("map_ram", &rr_map); | ||
78 | if (rr_mtd) { | ||
79 | rr_mtd->owner = THIS_MODULE; | ||
80 | |||
81 | add_mtd_device(rr_mtd); | ||
82 | |||
83 | return 0; | ||
84 | } | ||
85 | |||
86 | iounmap(rr_map.virt); | ||
87 | return -ENXIO; | ||
88 | } | ||
89 | |||
90 | static void __exit cleanup_rrmap(void) | ||
91 | { | ||
92 | del_mtd_device(rr_mtd); | ||
93 | map_destroy(rr_mtd); | ||
94 | |||
95 | iounmap(rr_map.virt); | ||
96 | rr_map.virt = NULL; | ||
97 | } | ||
98 | |||
99 | MODULE_AUTHOR("PMC-Sierra, Inc"); | ||
100 | MODULE_DESCRIPTION("MTD map driver for embedded PMC-Sierra MSP filesystem"); | ||
101 | MODULE_LICENSE("GPL"); | ||
102 | |||
103 | module_init(init_rrmap); | ||
104 | module_exit(cleanup_rrmap); | ||