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authorTodd Poynor <tpoynor@mvista.com>2005-11-07 16:47:48 -0500
committerDavid Woodhouse <dwmw2@infradead.org>2007-09-23 13:40:14 -0400
commite644f7d6289456657996df4192de76c5d0a9f9c7 (patch)
tree0c34302a7b43bc84ffd02acef5d11493e049eb31 /drivers/mtd/maps/lubbock-flash.c
parentb38178ee712e8608f20c8e741adf97f75f1aea39 (diff)
[MTD] MAPS: Merge Lubbock and Mainstone drivers into common PXA2xx driver
Replace Lubbock and Mainstone board drivers with common PXA2xx driver, convert to platform driver (corresponding platform device changes merged to kernel.org for 2.6.15), add power management callbacks. Signed-off-by: Todd Poynor <tpoynor@mvista.com> Signed-off-by: Nicolas Pitre <npitre@mvista.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'drivers/mtd/maps/lubbock-flash.c')
-rw-r--r--drivers/mtd/maps/lubbock-flash.c170
1 files changed, 0 insertions, 170 deletions
diff --git a/drivers/mtd/maps/lubbock-flash.c b/drivers/mtd/maps/lubbock-flash.c
deleted file mode 100644
index 1aa0447c5e66..000000000000
--- a/drivers/mtd/maps/lubbock-flash.c
+++ /dev/null
@@ -1,170 +0,0 @@
1/*
2 * $Id: lubbock-flash.c,v 1.21 2005/11/07 11:14:27 gleixner Exp $
3 *
4 * Map driver for the Lubbock developer platform.
5 *
6 * Author: Nicolas Pitre
7 * Copyright: (C) 2001 MontaVista Software Inc.
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/module.h>
15#include <linux/types.h>
16#include <linux/kernel.h>
17#include <linux/init.h>
18#include <linux/slab.h>
19
20#include <linux/dma-mapping.h>
21#include <linux/mtd/mtd.h>
22#include <linux/mtd/map.h>
23#include <linux/mtd/partitions.h>
24
25#include <asm/io.h>
26#include <asm/hardware.h>
27#include <asm/arch/pxa-regs.h>
28#include <asm/arch/lubbock.h>
29
30
31#define ROM_ADDR 0x00000000
32#define FLASH_ADDR 0x04000000
33
34#define WINDOW_SIZE 64*1024*1024
35
36static void lubbock_map_inval_cache(struct map_info *map, unsigned long from, ssize_t len)
37{
38 consistent_sync((char *)map->cached + from, len, DMA_FROM_DEVICE);
39}
40
41static struct map_info lubbock_maps[2] = { {
42 .size = WINDOW_SIZE,
43 .phys = 0x00000000,
44 .inval_cache = lubbock_map_inval_cache,
45}, {
46 .size = WINDOW_SIZE,
47 .phys = 0x04000000,
48 .inval_cache = lubbock_map_inval_cache,
49} };
50
51static struct mtd_partition lubbock_partitions[] = {
52 {
53 .name = "Bootloader",
54 .size = 0x00040000,
55 .offset = 0,
56 .mask_flags = MTD_WRITEABLE /* force read-only */
57 },{
58 .name = "Kernel",
59 .size = 0x00100000,
60 .offset = 0x00040000,
61 },{
62 .name = "Filesystem",
63 .size = MTDPART_SIZ_FULL,
64 .offset = 0x00140000
65 }
66};
67
68static struct mtd_info *mymtds[2];
69static struct mtd_partition *parsed_parts[2];
70static int nr_parsed_parts[2];
71
72static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
73
74static int __init init_lubbock(void)
75{
76 int flashboot = (LUB_CONF_SWITCHES & 1);
77 int ret = 0, i;
78
79 lubbock_maps[0].bankwidth = lubbock_maps[1].bankwidth =
80 (BOOT_DEF & 1) ? 2 : 4;
81
82 /* Compensate for the nROMBT switch which swaps the flash banks */
83 printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
84 flashboot?"Flash":"ROM", flashboot);
85
86 lubbock_maps[flashboot^1].name = "Lubbock Application Flash";
87 lubbock_maps[flashboot].name = "Lubbock Boot ROM";
88
89 for (i = 0; i < 2; i++) {
90 lubbock_maps[i].virt = ioremap(lubbock_maps[i].phys, WINDOW_SIZE);
91 if (!lubbock_maps[i].virt) {
92 printk(KERN_WARNING "Failed to ioremap %s\n", lubbock_maps[i].name);
93 if (!ret)
94 ret = -ENOMEM;
95 continue;
96 }
97 lubbock_maps[i].cached = ioremap_cached(lubbock_maps[i].phys, WINDOW_SIZE);
98 if (!lubbock_maps[i].cached)
99 printk(KERN_WARNING "Failed to ioremap cached %s\n", lubbock_maps[i].name);
100 simple_map_init(&lubbock_maps[i]);
101
102 printk(KERN_NOTICE "Probing %s at physical address 0x%08lx (%d-bit bankwidth)\n",
103 lubbock_maps[i].name, lubbock_maps[i].phys,
104 lubbock_maps[i].bankwidth * 8);
105
106 mymtds[i] = do_map_probe("cfi_probe", &lubbock_maps[i]);
107
108 if (!mymtds[i]) {
109 iounmap((void *)lubbock_maps[i].virt);
110 if (lubbock_maps[i].cached)
111 iounmap(lubbock_maps[i].cached);
112 if (!ret)
113 ret = -EIO;
114 continue;
115 }
116 mymtds[i]->owner = THIS_MODULE;
117
118 ret = parse_mtd_partitions(mymtds[i], probes,
119 &parsed_parts[i], 0);
120
121 if (ret > 0)
122 nr_parsed_parts[i] = ret;
123 }
124
125 if (!mymtds[0] && !mymtds[1])
126 return ret;
127
128 for (i = 0; i < 2; i++) {
129 if (!mymtds[i]) {
130 printk(KERN_WARNING "%s is absent. Skipping\n", lubbock_maps[i].name);
131 } else if (nr_parsed_parts[i]) {
132 add_mtd_partitions(mymtds[i], parsed_parts[i], nr_parsed_parts[i]);
133 } else if (!i) {
134 printk("Using static partitions on %s\n", lubbock_maps[i].name);
135 add_mtd_partitions(mymtds[i], lubbock_partitions, ARRAY_SIZE(lubbock_partitions));
136 } else {
137 printk("Registering %s as whole device\n", lubbock_maps[i].name);
138 add_mtd_device(mymtds[i]);
139 }
140 }
141 return 0;
142}
143
144static void __exit cleanup_lubbock(void)
145{
146 int i;
147 for (i = 0; i < 2; i++) {
148 if (!mymtds[i])
149 continue;
150
151 if (nr_parsed_parts[i] || !i)
152 del_mtd_partitions(mymtds[i]);
153 else
154 del_mtd_device(mymtds[i]);
155
156 map_destroy(mymtds[i]);
157 iounmap((void *)lubbock_maps[i].virt);
158 if (lubbock_maps[i].cached)
159 iounmap(lubbock_maps[i].cached);
160
161 kfree(parsed_parts[i]);
162 }
163}
164
165module_init(init_lubbock);
166module_exit(cleanup_lubbock);
167
168MODULE_LICENSE("GPL");
169MODULE_AUTHOR("Nicolas Pitre <nico@cam.org>");
170MODULE_DESCRIPTION("MTD map driver for Intel Lubbock");
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-13 02:43:03 -0500