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-rw-r--r--drivers/mtd/maps/lubbock-flash.c168
1 files changed, 0 insertions, 168 deletions
diff --git a/drivers/mtd/maps/lubbock-flash.c b/drivers/mtd/maps/lubbock-flash.c
deleted file mode 100644
index e8560683b973..000000000000
--- a/drivers/mtd/maps/lubbock-flash.c
+++ /dev/null
@@ -1,168 +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
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/lubbock.h>
27#include <asm/cacheflush.h>
28
29#define ROM_ADDR 0x00000000
30#define FLASH_ADDR 0x04000000
31
32#define WINDOW_SIZE 64*1024*1024
33
34static void lubbock_map_inval_cache(struct map_info *map, unsigned long from, ssize_t len)
35{
36 flush_ioremap_region(map->phys, map->cached, from, len);
37}
38
39static struct map_info lubbock_maps[2] = { {
40 .size = WINDOW_SIZE,
41 .phys = 0x00000000,
42 .inval_cache = lubbock_map_inval_cache,
43}, {
44 .size = WINDOW_SIZE,
45 .phys = 0x04000000,
46 .inval_cache = lubbock_map_inval_cache,
47} };
48
49static struct mtd_partition lubbock_partitions[] = {
50 {
51 .name = "Bootloader",
52 .size = 0x00040000,
53 .offset = 0,
54 .mask_flags = MTD_WRITEABLE /* force read-only */
55 },{
56 .name = "Kernel",
57 .size = 0x00100000,
58 .offset = 0x00040000,
59 },{
60 .name = "Filesystem",
61 .size = MTDPART_SIZ_FULL,
62 .offset = 0x00140000
63 }
64};
65
66static struct mtd_info *mymtds[2];
67static struct mtd_partition *parsed_parts[2];
68static int nr_parsed_parts[2];
69
70static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
71
72static int __init init_lubbock(void)
73{
74 int flashboot = (LUB_CONF_SWITCHES & 1);
75 int ret = 0, i;
76
77 lubbock_maps[0].bankwidth = lubbock_maps[1].bankwidth =
78 (BOOT_DEF & 1) ? 2 : 4;
79
80 /* Compensate for the nROMBT switch which swaps the flash banks */
81 printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n",
82 flashboot?"Flash":"ROM", flashboot);
83
84 lubbock_maps[flashboot^1].name = "Lubbock Application Flash";
85 lubbock_maps[flashboot].name = "Lubbock Boot ROM";
86
87 for (i = 0; i < 2; i++) {
88 lubbock_maps[i].virt = ioremap(lubbock_maps[i].phys, WINDOW_SIZE);
89 if (!lubbock_maps[i].virt) {
90 printk(KERN_WARNING "Failed to ioremap %s\n", lubbock_maps[i].name);
91 if (!ret)
92 ret = -ENOMEM;
93 continue;
94 }
95 lubbock_maps[i].cached = ioremap_cached(lubbock_maps[i].phys, WINDOW_SIZE);
96 if (!lubbock_maps[i].cached)
97 printk(KERN_WARNING "Failed to ioremap cached %s\n", lubbock_maps[i].name);
98 simple_map_init(&lubbock_maps[i]);
99
100 printk(KERN_NOTICE "Probing %s at physical address 0x%08lx (%d-bit bankwidth)\n",
101 lubbock_maps[i].name, lubbock_maps[i].phys,
102 lubbock_maps[i].bankwidth * 8);
103
104 mymtds[i] = do_map_probe("cfi_probe", &lubbock_maps[i]);
105
106 if (!mymtds[i]) {
107 iounmap((void *)lubbock_maps[i].virt);
108 if (lubbock_maps[i].cached)
109 iounmap(lubbock_maps[i].cached);
110 if (!ret)
111 ret = -EIO;
112 continue;
113 }
114 mymtds[i]->owner = THIS_MODULE;
115
116 ret = parse_mtd_partitions(mymtds[i], probes,
117 &parsed_parts[i], 0);
118
119 if (ret > 0)
120 nr_parsed_parts[i] = ret;
121 }
122
123 if (!mymtds[0] && !mymtds[1])
124 return ret;
125
126 for (i = 0; i < 2; i++) {
127 if (!mymtds[i]) {
128 printk(KERN_WARNING "%s is absent. Skipping\n", lubbock_maps[i].name);
129 } else if (nr_parsed_parts[i]) {
130 add_mtd_partitions(mymtds[i], parsed_parts[i], nr_parsed_parts[i]);
131 } else if (!i) {
132 printk("Using static partitions on %s\n", lubbock_maps[i].name);
133 add_mtd_partitions(mymtds[i], lubbock_partitions, ARRAY_SIZE(lubbock_partitions));
134 } else {
135 printk("Registering %s as whole device\n", lubbock_maps[i].name);
136 add_mtd_device(mymtds[i]);
137 }
138 }
139 return 0;
140}
141
142static void __exit cleanup_lubbock(void)
143{
144 int i;
145 for (i = 0; i < 2; i++) {
146 if (!mymtds[i])
147 continue;
148
149 if (nr_parsed_parts[i] || !i)
150 del_mtd_partitions(mymtds[i]);
151 else
152 del_mtd_device(mymtds[i]);
153
154 map_destroy(mymtds[i]);
155 iounmap((void *)lubbock_maps[i].virt);
156 if (lubbock_maps[i].cached)
157 iounmap(lubbock_maps[i].cached);
158
159 kfree(parsed_parts[i]);
160 }
161}
162
163module_init(init_lubbock);
164module_exit(cleanup_lubbock);
165
166MODULE_LICENSE("GPL");
167MODULE_AUTHOR("Nicolas Pitre <nico@cam.org>");
168MODULE_DESCRIPTION("MTD map driver for Intel Lubbock");
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-17 20:50:49 -0400