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-rw-r--r--drivers/mtd/maps/mainstone-flash.c180
1 files changed, 0 insertions, 180 deletions
diff --git a/drivers/mtd/maps/mainstone-flash.c b/drivers/mtd/maps/mainstone-flash.c
deleted file mode 100644
index d76487d82dcd..000000000000
--- a/drivers/mtd/maps/mainstone-flash.c
+++ /dev/null
@@ -1,180 +0,0 @@
1/*
2 * $Id: $
3 *
4 * Map driver for the Mainstone 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
19#include <linux/mtd/mtd.h>
20#include <linux/mtd/map.h>
21#include <linux/mtd/partitions.h>
22
23#include <asm/io.h>
24#include <asm/hardware.h>
25#include <asm/arch/pxa-regs.h>
26#include <asm/arch/mainstone.h>
27#include <asm/cacheflush.h>
28
29
30#define ROM_ADDR 0x00000000
31#define FLASH_ADDR 0x04000000
32
33#define WINDOW_SIZE 0x04000000
34
35static void mainstone_map_inval_cache(struct map_info *map, unsigned long from,
36 ssize_t len)
37{
38 flush_ioremap_region(map->phys, map->cached, from, len);
39}
40
41static struct map_info mainstone_maps[2] = { {
42 .size = WINDOW_SIZE,
43 .phys = PXA_CS0_PHYS,
44 .inval_cache = mainstone_map_inval_cache,
45}, {
46 .size = WINDOW_SIZE,
47 .phys = PXA_CS1_PHYS,
48 .inval_cache = mainstone_map_inval_cache,
49} };
50
51static struct mtd_partition mainstone_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 = 0x00400000,
60 .offset = 0x00040000,
61 },{
62 .name = "Filesystem",
63 .size = MTDPART_SIZ_FULL,
64 .offset = 0x00440000
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_mainstone(void)
75{
76 int SW7 = 0; /* FIXME: get from SCR (Mst doc section 3.2.1.1) */
77 int ret = 0, i;
78
79 mainstone_maps[0].bankwidth = (BOOT_DEF & 1) ? 2 : 4;
80 mainstone_maps[1].bankwidth = 4;
81
82 /* Compensate for SW7 which swaps the flash banks */
83 mainstone_maps[SW7].name = "processor flash";
84 mainstone_maps[SW7 ^ 1].name = "main board flash";
85
86 printk(KERN_NOTICE "Mainstone configured to boot from %s\n",
87 mainstone_maps[0].name);
88
89 for (i = 0; i < 2; i++) {
90 mainstone_maps[i].virt = ioremap(mainstone_maps[i].phys,
91 WINDOW_SIZE);
92 if (!mainstone_maps[i].virt) {
93 printk(KERN_WARNING "Failed to ioremap %s\n",
94 mainstone_maps[i].name);
95 if (!ret)
96 ret = -ENOMEM;
97 continue;
98 }
99 mainstone_maps[i].cached =
100 ioremap_cached(mainstone_maps[i].phys, WINDOW_SIZE);
101 if (!mainstone_maps[i].cached)
102 printk(KERN_WARNING "Failed to ioremap cached %s\n",
103 mainstone_maps[i].name);
104 simple_map_init(&mainstone_maps[i]);
105
106 printk(KERN_NOTICE
107 "Probing %s at physical address 0x%08lx"
108 " (%d-bit bankwidth)\n",
109 mainstone_maps[i].name, mainstone_maps[i].phys,
110 mainstone_maps[i].bankwidth * 8);
111
112 mymtds[i] = do_map_probe("cfi_probe", &mainstone_maps[i]);
113
114 if (!mymtds[i]) {
115 iounmap((void *)mainstone_maps[i].virt);
116 if (mainstone_maps[i].cached)
117 iounmap(mainstone_maps[i].cached);
118 if (!ret)
119 ret = -EIO;
120 continue;
121 }
122 mymtds[i]->owner = THIS_MODULE;
123
124 ret = parse_mtd_partitions(mymtds[i], probes,
125 &parsed_parts[i], 0);
126
127 if (ret > 0)
128 nr_parsed_parts[i] = ret;
129 }
130
131 if (!mymtds[0] && !mymtds[1])
132 return ret;
133
134 for (i = 0; i < 2; i++) {
135 if (!mymtds[i]) {
136 printk(KERN_WARNING "%s is absent. Skipping\n",
137 mainstone_maps[i].name);
138 } else if (nr_parsed_parts[i]) {
139 add_mtd_partitions(mymtds[i], parsed_parts[i],
140 nr_parsed_parts[i]);
141 } else if (!i) {
142 printk("Using static partitions on %s\n",
143 mainstone_maps[i].name);
144 add_mtd_partitions(mymtds[i], mainstone_partitions,
145 ARRAY_SIZE(mainstone_partitions));
146 } else {
147 printk("Registering %s as whole device\n",
148 mainstone_maps[i].name);
149 add_mtd_device(mymtds[i]);
150 }
151 }
152 return 0;
153}
154
155static void __exit cleanup_mainstone(void)
156{
157 int i;
158 for (i = 0; i < 2; i++) {
159 if (!mymtds[i])
160 continue;
161
162 if (nr_parsed_parts[i] || !i)
163 del_mtd_partitions(mymtds[i]);
164 else
165 del_mtd_device(mymtds[i]);
166
167 map_destroy(mymtds[i]);
168 iounmap((void *)mainstone_maps[i].virt);
169 if (mainstone_maps[i].cached)
170 iounmap(mainstone_maps[i].cached);
171 kfree(parsed_parts[i]);
172 }
173}
174
175module_init(init_mainstone);
176module_exit(cleanup_mainstone);
177
178MODULE_LICENSE("GPL");
179MODULE_AUTHOR("Nicolas Pitre <nico@cam.org>");
180MODULE_DESCRIPTION("MTD map driver for Intel Mainstone");
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-03 08:15:55 -0500