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authorPete Popov <ppopov@pacbell.net>2005-02-27 16:50:25 -0500
committerThomas Gleixner <tglx@mtd.linutronix.de>2005-05-23 06:45:13 -0400
commit002fa30170f9500ac31fa22931c689029af7f27b (patch)
treeb633bd9776af565884251588fc86d7aadbf77c43
parentd30f11d22549c54e9b05d153e37d166f88a2aa43 (diff)
[MTD] Replace all the Au1x mapping drivers with a simplified single driver
This driver does not have as many options but it's easier to maintain. And, it turns out AMD never shipped boards with different flash densities. Signed-off-by: Pete Popov <ppopov@pacbell.net> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat
-rw-r--r--drivers/mtd/maps/Kconfig73
-rw-r--r--drivers/mtd/maps/Makefile7
-rw-r--r--drivers/mtd/maps/alchemy-flash.c192
-rw-r--r--drivers/mtd/maps/db1550-flash.c187
-rw-r--r--drivers/mtd/maps/db1x00-flash.c226
-rw-r--r--drivers/mtd/maps/pb1550-flash.c203
-rw-r--r--drivers/mtd/maps/pb1xxx-flash.c178
7 files changed, 199 insertions, 867 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index d29dc121c1f7..f036de8080b9 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -1,5 +1,5 @@
1# drivers/mtd/maps/Kconfig 1# drivers/mtd/maps/Kconfig
2# $Id: Kconfig,v 1.44 2005/02/18 11:03:45 bjd Exp $ 2# $Id: Kconfig,v 1.45 2005/02/27 21:50:21 ppopov Exp $
3 3
4menu "Mapping drivers for chip access" 4menu "Mapping drivers for chip access"
5 depends on MTD!=n 5 depends on MTD!=n
@@ -213,74 +213,11 @@ config MTD_NETtel
213 help 213 help
214 Support for flash chips on NETtel/SecureEdge/SnapGear boards. 214 Support for flash chips on NETtel/SecureEdge/SnapGear boards.
215 215
216config MTD_PB1XXX 216config MTD_ALCHEMY
217 tristate "Flash devices on Alchemy PB1xxx boards" 217 tristate ' AMD Alchemy Pb1xxx/Db1xxx/RDK MTD support'
218 depends on MIPS && ( MIPS_PB1000 || MIPS_PB1100 || MIPS_PB1500 ) 218 depends on MIPS && SOC_AU1X00
219 help 219 help
220 Flash memory access on Alchemy Pb1000/Pb1100/Pb1500 boards 220 Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards
221
222config MTD_PB1XXX_BOOT
223 bool "PB1x00 boot flash device"
224 depends on MTD_PB1XXX && ( MIPS_PB1100 || MIPS_PB1500 )
225 help
226 Use the first of the two 32MiB flash banks on Pb1100/Pb1500 board.
227 You can say 'Y' to both this and 'MTD_PB1XXX_USER' below, to use
228 both banks.
229
230config MTD_PB1XXX_USER
231 bool "PB1x00 user flash device"
232 depends on MTD_PB1XXX && ( MIPS_PB1100 || MIPS_PB1500 )
233 default y if MTD_PB1XX_BOOT = n
234 help
235 Use the second of the two 32MiB flash banks on Pb1100/Pb1500 board.
236 You can say 'Y' to both this and 'MTD_PB1XXX_BOOT' above, to use
237 both banks.
238
239config MTD_PB1550
240 tristate "Flash devices on Alchemy PB1550 board"
241 depends on MIPS && MIPS_PB1550
242 help
243 Flash memory access on Alchemy Pb1550 board
244
245config MTD_PB1550_BOOT
246 bool "PB1550 boot flash device"
247 depends on MTD_PB1550
248 help
249 Use the first of the two 64MiB flash banks on Pb1550 board.
250 You can say 'Y' to both this and 'MTD_PB1550_USER' below, to use
251 both banks.
252
253config MTD_PB1550_USER
254 bool "PB1550 user flash device"
255 depends on MTD_PB1550
256 default y if MTD_PB1550_BOOT = n
257 help
258 Use the second of the two 64MiB flash banks on Pb1550 board.
259 You can say 'Y' to both this and 'MTD_PB1550_BOOT' above, to use
260 both banks.
261
262config MTD_DB1550
263 tristate "Flash devices on Alchemy DB1550 board"
264 depends on MIPS && MIPS_DB1550
265 help
266 Flash memory access on Alchemy Db1550 board
267
268config MTD_DB1550_BOOT
269 bool "DB1550 boot flash device"
270 depends on MTD_DB1550
271 help
272 Use the first of the two 64MiB flash banks on Db1550 board.
273 You can say 'Y' to both this and 'MTD_DB1550_USER' below, to use
274 both banks.
275
276config MTD_DB1550_USER
277 bool "DB1550 user flash device"
278 depends on MTD_DB1550
279 default y if MTD_DB1550_BOOT = n
280 help
281 Use the second of the two 64MiB flash banks on Db1550 board.
282 You can say 'Y' to both this and 'MTD_DB1550_BOOT' above, to use
283 both banks.
284 221
285config MTD_DILNETPC 222config MTD_DILNETPC
286 tristate "CFI Flash device mapped on DIL/Net PC" 223 tristate "CFI Flash device mapped on DIL/Net PC"
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index d2e6dcc87059..d0639a85cb12 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -1,7 +1,7 @@
1# 1#
2# linux/drivers/maps/Makefile 2# linux/drivers/maps/Makefile
3# 3#
4# $Id: Makefile.common,v 1.24 2005/01/24 00:35:21 bjd Exp $ 4# $Id: Makefile.common,v 1.25 2005/02/27 21:50:21 ppopov Exp $
5 5
6ifeq ($(CONFIG_MTD_COMPLEX_MAPPINGS),y) 6ifeq ($(CONFIG_MTD_COMPLEX_MAPPINGS),y)
7obj-$(CONFIG_MTD) += map_funcs.o 7obj-$(CONFIG_MTD) += map_funcs.o
@@ -44,10 +44,7 @@ obj-$(CONFIG_MTD_DBOX2) += dbox2-flash.o
44obj-$(CONFIG_MTD_OCELOT) += ocelot.o 44obj-$(CONFIG_MTD_OCELOT) += ocelot.o
45obj-$(CONFIG_MTD_SOLUTIONENGINE)+= solutionengine.o 45obj-$(CONFIG_MTD_SOLUTIONENGINE)+= solutionengine.o
46obj-$(CONFIG_MTD_PCI) += pci.o 46obj-$(CONFIG_MTD_PCI) += pci.o
47obj-$(CONFIG_MTD_PB1XXX) += pb1xxx-flash.o 47obj-$(CONFIG_MTD_ALCHEMY) += alchemy-flash.o
48obj-$(CONFIG_MTD_DB1X00) += db1x00-flash.o
49obj-$(CONFIG_MTD_PB1550) += pb1550-flash.o
50obj-$(CONFIG_MTD_DB1550) += db1550-flash.o
51obj-$(CONFIG_MTD_LASAT) += lasat.o 48obj-$(CONFIG_MTD_LASAT) += lasat.o
52obj-$(CONFIG_MTD_AUTCPU12) += autcpu12-nvram.o 49obj-$(CONFIG_MTD_AUTCPU12) += autcpu12-nvram.o
53obj-$(CONFIG_MTD_EDB7312) += edb7312.o 50obj-$(CONFIG_MTD_EDB7312) += edb7312.o
diff --git a/drivers/mtd/maps/alchemy-flash.c b/drivers/mtd/maps/alchemy-flash.c
new file mode 100644
index 000000000000..27fd2a3c3b60
--- /dev/null
+++ b/drivers/mtd/maps/alchemy-flash.c
@@ -0,0 +1,192 @@
1/*
2 * Flash memory access on AMD Alchemy evaluation boards
3 *
4 * $Id: alchemy-flash.c,v 1.1 2005/02/27 21:50:21 ppopov Exp $
5 *
6 * (C) 2003, 2004 Pete Popov <ppopov@embeddedalley.com>
7 *
8 */
9
10#include <linux/config.h>
11#include <linux/init.h>
12#include <linux/module.h>
13#include <linux/types.h>
14#include <linux/kernel.h>
15
16#include <linux/mtd/mtd.h>
17#include <linux/mtd/map.h>
18#include <linux/mtd/partitions.h>
19
20#include <asm/io.h>
21
22#ifdef DEBUG_RW
23#define DBG(x...) printk(x)
24#else
25#define DBG(x...)
26#endif
27
28#ifdef CONFIG_MIPS_PB1000
29#define BOARD_MAP_NAME "Pb1000 Flash"
30#define BOARD_FLASH_SIZE 0x00800000 /* 8MB */
31#define BOARD_FLASH_WIDTH 4 /* 32-bits */
32#endif
33
34#ifdef CONFIG_MIPS_PB1500
35#define BOARD_MAP_NAME "Pb1500 Flash"
36#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */
37#define BOARD_FLASH_WIDTH 4 /* 32-bits */
38#endif
39
40#ifdef CONFIG_MIPS_PB1100
41#define BOARD_MAP_NAME "Pb1100 Flash"
42#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */
43#define BOARD_FLASH_WIDTH 4 /* 32-bits */
44#endif
45
46#ifdef CONFIG_MIPS_PB1550
47#define BOARD_MAP_NAME "Pb1550 Flash"
48#define BOARD_FLASH_SIZE 0x08000000 /* 128MB */
49#define BOARD_FLASH_WIDTH 4 /* 32-bits */
50#endif
51
52#ifdef CONFIG_MIPS_PB1200
53#define BOARD_MAP_NAME "Pb1200 Flash"
54#define BOARD_FLASH_SIZE 0x08000000 /* 128MB */
55#define BOARD_FLASH_WIDTH 2 /* 16-bits */
56#endif
57
58#ifdef CONFIG_MIPS_DB1000
59#define BOARD_MAP_NAME "Db1000 Flash"
60#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */
61#define BOARD_FLASH_WIDTH 4 /* 32-bits */
62#endif
63
64#ifdef CONFIG_MIPS_DB1500
65#define BOARD_MAP_NAME "Db1500 Flash"
66#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */
67#define BOARD_FLASH_WIDTH 4 /* 32-bits */
68#endif
69
70#ifdef CONFIG_MIPS_DB1100
71#define BOARD_MAP_NAME "Db1100 Flash"
72#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */
73#define BOARD_FLASH_WIDTH 4 /* 32-bits */
74#endif
75
76#ifdef CONFIG_MIPS_DB1550
77#define BOARD_MAP_NAME "Db1550 Flash"
78#define BOARD_FLASH_SIZE 0x08000000 /* 128MB */
79#define BOARD_FLASH_WIDTH 4 /* 32-bits */
80#endif
81
82#ifdef CONFIG_MIPS_DB1200
83#define BOARD_MAP_NAME "Db1200 Flash"
84#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */
85#define BOARD_FLASH_WIDTH 2 /* 16-bits */
86#endif
87
88#ifdef CONFIG_MIPS_HYDROGEN3
89#define BOARD_MAP_NAME "Hydrogen3 Flash"
90#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */
91#define BOARD_FLASH_WIDTH 4 /* 32-bits */
92#define USE_LOCAL_ACCESSORS /* why? */
93#endif
94
95#ifdef CONFIG_MIPS_BOSPORUS
96#define BOARD_MAP_NAME "Bosporus Flash"
97#define BOARD_FLASH_SIZE 0x01000000 /* 16MB */
98#define BOARD_FLASH_WIDTH 2 /* 16-bits */
99#endif
100
101#ifdef CONFIG_MIPS_MIRAGE
102#define BOARD_MAP_NAME "Mirage Flash"
103#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */
104#define BOARD_FLASH_WIDTH 4 /* 32-bits */
105#define USE_LOCAL_ACCESSORS /* why? */
106#endif
107
108static struct map_info alchemy_map = {
109 .name = BOARD_MAP_NAME,
110};
111
112static struct mtd_partition alchemy_partitions[] = {
113 {
114 .name = "User FS",
115 .size = BOARD_FLASH_SIZE - 0x00400000,
116 .offset = 0x0000000
117 },{
118 .name = "YAMON",
119 .size = 0x0100000,
120 .offset = MTDPART_OFS_APPEND,
121 .mask_flags = MTD_WRITEABLE
122 },{
123 .name = "raw kernel",
124 .size = (0x300000 - 0x40000), /* last 256KB is yamon env */
125 .offset = MTDPART_OFS_APPEND,
126 }
127};
128
129#define NB_OF(x) (sizeof(x)/sizeof(x[0]))
130
131static struct mtd_info *mymtd;
132
133int __init alchemy_mtd_init(void)
134{
135 struct mtd_partition *parts;
136 int nb_parts = 0;
137 unsigned long window_addr;
138 unsigned long window_size;
139
140 /* Default flash buswidth */
141 alchemy_map.bankwidth = BOARD_FLASH_WIDTH;
142
143 window_addr = 0x20000000 - BOARD_FLASH_SIZE;
144 window_size = BOARD_FLASH_SIZE;
145#ifdef CONFIG_MIPS_MIRAGE_WHY
146 /* Boot ROM flash bank only; no user bank */
147 window_addr = 0x1C000000;
148 window_size = 0x04000000;
149 /* USERFS from 0x1C00 0000 to 0x1FC00000 */
150 alchemy_partitions[0].size = 0x03C00000;
151#endif
152
153 /*
154 * Static partition definition selection
155 */
156 parts = alchemy_partitions;
157 nb_parts = NB_OF(alchemy_partitions);
158 alchemy_map.size = window_size;
159
160 /*
161 * Now let's probe for the actual flash. Do it here since
162 * specific machine settings might have been set above.
163 */
164 printk(KERN_NOTICE BOARD_MAP_NAME ": probing %d-bit flash bus\n",
165 alchemy_map.bankwidth*8);
166 alchemy_map.virt = ioremap(window_addr, window_size);
167 mymtd = do_map_probe("cfi_probe", &alchemy_map);
168 if (!mymtd) {
169 iounmap(alchemy_map.virt);
170 return -ENXIO;
171 }
172 mymtd->owner = THIS_MODULE;
173
174 add_mtd_partitions(mymtd, parts, nb_parts);
175 return 0;
176}
177
178static void __exit alchemy_mtd_cleanup(void)
179{
180 if (mymtd) {
181 del_mtd_partitions(mymtd);
182 map_destroy(mymtd);
183 iounmap(alchemy_map.virt);
184 }
185}
186
187module_init(alchemy_mtd_init);
188module_exit(alchemy_mtd_cleanup);
189
190MODULE_AUTHOR("Embedded Alley Solutions, Inc");
191MODULE_DESCRIPTION(BOARD_MAP_NAME " MTD driver");
192MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/maps/db1550-flash.c b/drivers/mtd/maps/db1550-flash.c
deleted file mode 100644
index d213888462a4..000000000000
--- a/drivers/mtd/maps/db1550-flash.c
+++ /dev/null
@@ -1,187 +0,0 @@
1/*
2 * Flash memory access on Alchemy Db1550 board
3 *
4 * $Id: db1550-flash.c,v 1.7 2004/11/04 13:24:14 gleixner Exp $
5 *
6 * (C) 2004 Embedded Edge, LLC, based on db1550-flash.c:
7 * (C) 2003, 2004 Pete Popov <ppopov@embeddedalley.com>
8 *
9 */
10
11#include <linux/config.h>
12#include <linux/init.h>
13#include <linux/module.h>
14#include <linux/types.h>
15#include <linux/kernel.h>
16
17#include <linux/mtd/mtd.h>
18#include <linux/mtd/map.h>
19#include <linux/mtd/partitions.h>
20
21#include <asm/io.h>
22
23#ifdef DEBUG_RW
24#define DBG(x...) printk(x)
25#else
26#define DBG(x...)
27#endif
28
29static unsigned long window_addr;
30static unsigned long window_size;
31
32
33static struct map_info db1550_map = {
34 .name = "Db1550 flash",
35};
36
37static unsigned char flash_bankwidth = 4;
38
39/*
40 * Support only 64MB NOR Flash parts
41 */
42
43#if defined(CONFIG_MTD_DB1550_BOOT) && defined(CONFIG_MTD_DB1550_USER)
44#define DB1550_BOTH_BANKS
45#elif defined(CONFIG_MTD_DB1550_BOOT) && !defined(CONFIG_MTD_DB1550_USER)
46#define DB1550_BOOT_ONLY
47#elif !defined(CONFIG_MTD_DB1550_BOOT) && defined(CONFIG_MTD_DB1550_USER)
48#define DB1550_USER_ONLY
49#endif
50
51#ifdef DB1550_BOTH_BANKS
52/* both banks will be used. Combine the first bank and the first
53 * part of the second bank together into a single jffs/jffs2
54 * partition.
55 */
56static struct mtd_partition db1550_partitions[] = {
57 /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
58 * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash
59 * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash
60 */
61 {
62 .name = "User FS",
63 .size = (0x1FC00000 - 0x18000000),
64 .offset = 0x0000000
65 },{
66 .name = "yamon",
67 .size = 0x0100000,
68 .offset = MTDPART_OFS_APPEND,
69 .mask_flags = MTD_WRITEABLE
70 },{
71 .name = "raw kernel",
72 .size = (0x300000 - 0x40000), /* last 256KB is yamon env */
73 .offset = MTDPART_OFS_APPEND,
74 }
75};
76#elif defined(DB1550_BOOT_ONLY)
77static struct mtd_partition db1550_partitions[] = {
78 /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
79 * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash
80 */
81 {
82 .name = "User FS",
83 .size = 0x03c00000,
84 .offset = 0x0000000
85 },{
86 .name = "yamon",
87 .size = 0x0100000,
88 .offset = MTDPART_OFS_APPEND,
89 .mask_flags = MTD_WRITEABLE
90 },{
91 .name = "raw kernel",
92 .size = (0x300000-0x40000), /* last 256KB is yamon env */
93 .offset = MTDPART_OFS_APPEND,
94 }
95};
96#elif defined(DB1550_USER_ONLY)
97static struct mtd_partition db1550_partitions[] = {
98 /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
99 * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash
100 */
101 {
102 .name = "User FS",
103 .size = (0x4000000 - 0x200000), /* reserve 2MB for raw kernel */
104 .offset = 0x0000000
105 },{
106 .name = "raw kernel",
107 .size = MTDPART_SIZ_FULL,
108 .offset = MTDPART_OFS_APPEND,
109 }
110};
111#else
112#error MTD_DB1550 define combo error /* should never happen */
113#endif
114
115#define NB_OF(x) (sizeof(x)/sizeof(x[0]))
116
117static struct mtd_info *mymtd;
118
119/*
120 * Probe the flash density and setup window address and size
121 * based on user CONFIG options. There are times when we don't
122 * want the MTD driver to be probing the boot or user flash,
123 * so having the option to enable only one bank is important.
124 */
125int setup_flash_params(void)
126{
127#if defined(DB1550_BOTH_BANKS)
128 window_addr = 0x18000000;
129 window_size = 0x8000000;
130#elif defined(DB1550_BOOT_ONLY)
131 window_addr = 0x1C000000;
132 window_size = 0x4000000;
133#else /* USER ONLY */
134 window_addr = 0x18000000;
135 window_size = 0x4000000;
136#endif
137 return 0;
138}
139
140int __init db1550_mtd_init(void)
141{
142 struct mtd_partition *parts;
143 int nb_parts = 0;
144
145 /* Default flash bankwidth */
146 db1550_map.bankwidth = flash_bankwidth;
147
148 if (setup_flash_params())
149 return -ENXIO;
150
151 /*
152 * Static partition definition selection
153 */
154 parts = db1550_partitions;
155 nb_parts = NB_OF(db1550_partitions);
156 db1550_map.size = window_size;
157
158 /*
159 * Now let's probe for the actual flash. Do it here since
160 * specific machine settings might have been set above.
161 */
162 printk(KERN_NOTICE "Db1550 flash: probing %d-bit flash bus\n",
163 db1550_map.bankwidth*8);
164 db1550_map.virt = ioremap(window_addr, window_size);
165 mymtd = do_map_probe("cfi_probe", &db1550_map);
166 if (!mymtd) return -ENXIO;
167 mymtd->owner = THIS_MODULE;
168
169 add_mtd_partitions(mymtd, parts, nb_parts);
170 return 0;
171}
172
173static void __exit db1550_mtd_cleanup(void)
174{
175 if (mymtd) {
176 del_mtd_partitions(mymtd);
177 map_destroy(mymtd);
178 iounmap((void *) db1550_map.virt);
179 }
180}
181
182module_init(db1550_mtd_init);
183module_exit(db1550_mtd_cleanup);
184
185MODULE_AUTHOR("Embedded Edge, LLC");
186MODULE_DESCRIPTION("Db1550 mtd map driver");
187MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/maps/db1x00-flash.c b/drivers/mtd/maps/db1x00-flash.c
deleted file mode 100644
index faa68ec56902..000000000000
--- a/drivers/mtd/maps/db1x00-flash.c
+++ /dev/null
@@ -1,226 +0,0 @@
1/*
2 * Flash memory access on Alchemy Db1xxx boards
3 *
4 * $Id: db1x00-flash.c,v 1.6 2004/11/04 13:24:14 gleixner Exp $
5 *
6 * (C) 2003 Pete Popov <ppopov@embeddedalley.com>
7 *
8 */
9
10#include <linux/config.h>
11#include <linux/module.h>
12#include <linux/types.h>
13#include <linux/init.h>
14#include <linux/kernel.h>
15
16#include <linux/mtd/mtd.h>
17#include <linux/mtd/map.h>
18#include <linux/mtd/partitions.h>
19
20#include <asm/io.h>
21
22#ifdef DEBUG_RW
23#define DBG(x...) printk(x)
24#else
25#define DBG(x...)
26#endif
27
28/* MTD CONFIG OPTIONS */
29#if defined(CONFIG_MTD_DB1X00_BOOT) && defined(CONFIG_MTD_DB1X00_USER)
30#define DB1X00_BOTH_BANKS
31#elif defined(CONFIG_MTD_DB1X00_BOOT) && !defined(CONFIG_MTD_DB1X00_USER)
32#define DB1X00_BOOT_ONLY
33#elif !defined(CONFIG_MTD_DB1X00_BOOT) && defined(CONFIG_MTD_DB1X00_USER)
34#define DB1X00_USER_ONLY
35#endif
36
37static unsigned long window_addr;
38static unsigned long window_size;
39static unsigned long flash_size;
40
41static unsigned short *bcsr = (unsigned short *)0xAE000000;
42static unsigned char flash_bankwidth = 4;
43
44/*
45 * The Db1x boards support different flash densities. We setup
46 * the mtd_partition structures below for default of 64Mbit
47 * flash densities, and override the partitions sizes, if
48 * necessary, after we check the board status register.
49 */
50
51#ifdef DB1X00_BOTH_BANKS
52/* both banks will be used. Combine the first bank and the first
53 * part of the second bank together into a single jffs/jffs2
54 * partition.
55 */
56static struct mtd_partition db1x00_partitions[] = {
57 {
58 .name = "User FS",
59 .size = 0x1c00000,
60 .offset = 0x0000000
61 },{
62 .name = "yamon",
63 .size = 0x0100000,
64 .offset = MTDPART_OFS_APPEND,
65 .mask_flags = MTD_WRITEABLE
66 },{
67 .name = "raw kernel",
68 .size = (0x300000-0x40000), /* last 256KB is env */
69 .offset = MTDPART_OFS_APPEND,
70 }
71};
72#elif defined(DB1X00_BOOT_ONLY)
73static struct mtd_partition db1x00_partitions[] = {
74 {
75 .name = "User FS",
76 .size = 0x00c00000,
77 .offset = 0x0000000
78 },{
79 .name = "yamon",
80 .size = 0x0100000,
81 .offset = MTDPART_OFS_APPEND,
82 .mask_flags = MTD_WRITEABLE
83 },{
84 .name = "raw kernel",
85 .size = (0x300000-0x40000), /* last 256KB is env */
86 .offset = MTDPART_OFS_APPEND,
87 }
88};
89#elif defined(DB1X00_USER_ONLY)
90static struct mtd_partition db1x00_partitions[] = {
91 {
92 .name = "User FS",
93 .size = 0x0e00000,
94 .offset = 0x0000000
95 },{
96 .name = "raw kernel",
97 .size = MTDPART_SIZ_FULL,
98 .offset = MTDPART_OFS_APPEND,
99 }
100};
101#else
102#error MTD_DB1X00 define combo error /* should never happen */
103#endif
104#define NB_OF(x) (sizeof(x)/sizeof(x[0]))
105
106#define NAME "Db1x00 Linux Flash"
107
108static struct map_info db1xxx_mtd_map = {
109 .name = NAME,
110};
111
112static struct mtd_partition *parsed_parts;
113static struct mtd_info *db1xxx_mtd;
114
115/*
116 * Probe the flash density and setup window address and size
117 * based on user CONFIG options. There are times when we don't
118 * want the MTD driver to be probing the boot or user flash,
119 * so having the option to enable only one bank is important.
120 */
121int setup_flash_params(void)
122{
123 switch ((bcsr[2] >> 14) & 0x3) {
124 case 0: /* 64Mbit devices */
125 flash_size = 0x800000; /* 8MB per part */
126#if defined(DB1X00_BOTH_BANKS)
127 window_addr = 0x1E000000;
128 window_size = 0x2000000;
129#elif defined(DB1X00_BOOT_ONLY)
130 window_addr = 0x1F000000;
131 window_size = 0x1000000;
132#else /* USER ONLY */
133 window_addr = 0x1E000000;
134 window_size = 0x1000000;
135#endif
136 break;
137 case 1:
138 /* 128 Mbit devices */
139 flash_size = 0x1000000; /* 16MB per part */
140#if defined(DB1X00_BOTH_BANKS)
141 window_addr = 0x1C000000;
142 window_size = 0x4000000;
143 /* USERFS from 0x1C00 0000 to 0x1FC0 0000 */
144 db1x00_partitions[0].size = 0x3C00000;
145#elif defined(DB1X00_BOOT_ONLY)
146 window_addr = 0x1E000000;
147 window_size = 0x2000000;
148 /* USERFS from 0x1E00 0000 to 0x1FC0 0000 */
149 db1x00_partitions[0].size = 0x1C00000;
150#else /* USER ONLY */
151 window_addr = 0x1C000000;
152 window_size = 0x2000000;
153 /* USERFS from 0x1C00 0000 to 0x1DE00000 */
154 db1x00_partitions[0].size = 0x1DE0000;
155#endif
156 break;
157 case 2:
158 /* 256 Mbit devices */
159 flash_size = 0x4000000; /* 64MB per part */
160#if defined(DB1X00_BOTH_BANKS)
161 return 1;
162#elif defined(DB1X00_BOOT_ONLY)
163 /* Boot ROM flash bank only; no user bank */
164 window_addr = 0x1C000000;
165 window_size = 0x4000000;
166 /* USERFS from 0x1C00 0000 to 0x1FC00000 */
167 db1x00_partitions[0].size = 0x3C00000;
168#else /* USER ONLY */
169 return 1;
170#endif
171 break;
172 default:
173 return 1;
174 }
175 db1xxx_mtd_map.size = window_size;
176 db1xxx_mtd_map.bankwidth = flash_bankwidth;
177 db1xxx_mtd_map.phys = window_addr;
178 db1xxx_mtd_map.bankwidth = flash_bankwidth;
179 return 0;
180}
181
182int __init db1x00_mtd_init(void)
183{
184 struct mtd_partition *parts;
185 int nb_parts = 0;
186
187 if (setup_flash_params())
188 return -ENXIO;
189
190 /*
191 * Static partition definition selection
192 */
193 parts = db1x00_partitions;
194 nb_parts = NB_OF(db1x00_partitions);
195
196 /*
197 * Now let's probe for the actual flash. Do it here since
198 * specific machine settings might have been set above.
199 */
200 printk(KERN_NOTICE "Db1xxx flash: probing %d-bit flash bus\n",
201 db1xxx_mtd_map.bankwidth*8);
202 db1xxx_mtd_map.virt = ioremap(window_addr, window_size);
203 db1xxx_mtd = do_map_probe("cfi_probe", &db1xxx_mtd_map);
204 if (!db1xxx_mtd) return -ENXIO;
205 db1xxx_mtd->owner = THIS_MODULE;
206
207 add_mtd_partitions(db1xxx_mtd, parts, nb_parts);
208 return 0;
209}
210
211static void __exit db1x00_mtd_cleanup(void)
212{
213 if (db1xxx_mtd) {
214 del_mtd_partitions(db1xxx_mtd);
215 map_destroy(db1xxx_mtd);
216 if (parsed_parts)
217 kfree(parsed_parts);
218 }
219}
220
221module_init(db1x00_mtd_init);
222module_exit(db1x00_mtd_cleanup);
223
224MODULE_AUTHOR("Pete Popov");
225MODULE_DESCRIPTION("Db1x00 mtd map driver");
226MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/maps/pb1550-flash.c b/drivers/mtd/maps/pb1550-flash.c
deleted file mode 100644
index 1424726a219e..000000000000
--- a/drivers/mtd/maps/pb1550-flash.c
+++ /dev/null
@@ -1,203 +0,0 @@
1/*
2 * Flash memory access on Alchemy Pb1550 board
3 *
4 * $Id: pb1550-flash.c,v 1.6 2004/11/04 13:24:15 gleixner Exp $
5 *
6 * (C) 2004 Embedded Edge, LLC, based on pb1550-flash.c:
7 * (C) 2003 Pete Popov <ppopov@pacbell.net>
8 *
9 */
10
11#include <linux/config.h>
12#include <linux/init.h>
13#include <linux/module.h>
14#include <linux/types.h>
15#include <linux/kernel.h>
16
17#include <linux/mtd/mtd.h>
18#include <linux/mtd/map.h>
19#include <linux/mtd/partitions.h>
20
21#include <asm/io.h>
22#include <asm/au1000.h>
23#include <asm/pb1550.h>
24
25#ifdef DEBUG_RW
26#define DBG(x...) printk(x)
27#else
28#define DBG(x...)
29#endif
30
31static unsigned long window_addr;
32static unsigned long window_size;
33
34
35static struct map_info pb1550_map = {
36 .name = "Pb1550 flash",
37};
38
39static unsigned char flash_bankwidth = 4;
40
41/*
42 * Support only 64MB NOR Flash parts
43 */
44
45#ifdef PB1550_BOTH_BANKS
46/* both banks will be used. Combine the first bank and the first
47 * part of the second bank together into a single jffs/jffs2
48 * partition.
49 */
50static struct mtd_partition pb1550_partitions[] = {
51 /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
52 * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash
53 * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash
54 */
55 {
56 .name = "User FS",
57 .size = (0x1FC00000 - 0x18000000),
58 .offset = 0x0000000
59 },{
60 .name = "yamon",
61 .size = 0x0100000,
62 .offset = MTDPART_OFS_APPEND,
63 .mask_flags = MTD_WRITEABLE
64 },{
65 .name = "raw kernel",
66 .size = (0x300000 - 0x40000), /* last 256KB is yamon env */
67 .offset = MTDPART_OFS_APPEND,
68 }
69};
70#elif defined(PB1550_BOOT_ONLY)
71static struct mtd_partition pb1550_partitions[] = {
72 /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
73 * 1C00 0000 1FFF FFFF CE0 64MB Boot NOR Flash
74 */
75 {
76 .name = "User FS",
77 .size = 0x03c00000,
78 .offset = 0x0000000
79 },{
80 .name = "yamon",
81 .size = 0x0100000,
82 .offset = MTDPART_OFS_APPEND,
83 .mask_flags = MTD_WRITEABLE
84 },{
85 .name = "raw kernel",
86 .size = (0x300000-0x40000), /* last 256KB is yamon env */
87 .offset = MTDPART_OFS_APPEND,
88 }
89};
90#elif defined(PB1550_USER_ONLY)
91static struct mtd_partition pb1550_partitions[] = {
92 /* assume boot[2:0]:swap is '0000' or '1000', which translates to:
93 * 1800 0000 1BFF FFFF CE0 64MB Param NOR Flash
94 */
95 {
96 .name = "User FS",
97 .size = (0x4000000 - 0x200000), /* reserve 2MB for raw kernel */
98 .offset = 0x0000000
99 },{
100 .name = "raw kernel",
101 .size = MTDPART_SIZ_FULL,
102 .offset = MTDPART_OFS_APPEND,
103 }
104};
105#else
106#error MTD_PB1550 define combo error /* should never happen */
107#endif
108
109#define NB_OF(x) (sizeof(x)/sizeof(x[0]))
110
111static struct mtd_info *mymtd;
112
113/*
114 * Probe the flash density and setup window address and size
115 * based on user CONFIG options. There are times when we don't
116 * want the MTD driver to be probing the boot or user flash,
117 * so having the option to enable only one bank is important.
118 */
119int setup_flash_params(void)
120{
121 u16 boot_swapboot;
122 boot_swapboot = (au_readl(MEM_STSTAT) & (0x7<<1)) |
123 ((bcsr->status >> 6) & 0x1);
124 printk("Pb1550 MTD: boot:swap %d\n", boot_swapboot);
125
126 switch (boot_swapboot) {
127 case 0: /* 512Mbit devices, both enabled */
128 case 1:
129 case 8:
130 case 9:
131#if defined(PB1550_BOTH_BANKS)
132 window_addr = 0x18000000;
133 window_size = 0x8000000;
134#elif defined(PB1550_BOOT_ONLY)
135 window_addr = 0x1C000000;
136 window_size = 0x4000000;
137#else /* USER ONLY */
138 window_addr = 0x1E000000;
139 window_size = 0x4000000;
140#endif
141 break;
142 case 0xC:
143 case 0xD:
144 case 0xE:
145 case 0xF:
146 /* 64 MB Boot NOR Flash is disabled */
147 /* and the start address is moved to 0x0C00000 */
148 window_addr = 0x0C000000;
149 window_size = 0x4000000;
150 default:
151 printk("Pb1550 MTD: unsupported boot:swap setting\n");
152 return 1;
153 }
154 return 0;
155}
156
157int __init pb1550_mtd_init(void)
158{
159 struct mtd_partition *parts;
160 int nb_parts = 0;
161
162 /* Default flash bankwidth */
163 pb1550_map.bankwidth = flash_bankwidth;
164
165 if (setup_flash_params())
166 return -ENXIO;
167
168 /*
169 * Static partition definition selection
170 */
171 parts = pb1550_partitions;
172 nb_parts = NB_OF(pb1550_partitions);
173 pb1550_map.size = window_size;
174
175 /*
176 * Now let's probe for the actual flash. Do it here since
177 * specific machine settings might have been set above.
178 */
179 printk(KERN_NOTICE "Pb1550 flash: probing %d-bit flash bus\n",
180 pb1550_map.bankwidth*8);
181 pb1550_map.virt = ioremap(window_addr, window_size);
182 mymtd = do_map_probe("cfi_probe", &pb1550_map);
183 if (!mymtd) return -ENXIO;
184 mymtd->owner = THIS_MODULE;
185
186 add_mtd_partitions(mymtd, parts, nb_parts);
187 return 0;
188}
189
190static void __exit pb1550_mtd_cleanup(void)
191{
192 if (mymtd) {
193 del_mtd_partitions(mymtd);
194 map_destroy(mymtd);
195 }
196}
197
198module_init(pb1550_mtd_init);
199module_exit(pb1550_mtd_cleanup);
200
201MODULE_AUTHOR("Embedded Edge, LLC");
202MODULE_DESCRIPTION("Pb1550 mtd map driver");
203MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/maps/pb1xxx-flash.c b/drivers/mtd/maps/pb1xxx-flash.c
deleted file mode 100644
index 06e731540552..000000000000
--- a/drivers/mtd/maps/pb1xxx-flash.c
+++ /dev/null
@@ -1,178 +0,0 @@
1/*
2 * Flash memory access on Alchemy Pb1xxx boards
3 *
4 * (C) 2001 Pete Popov <ppopov@mvista.com>
5 *
6 * $Id: pb1xxx-flash.c,v 1.14 2004/11/04 13:24:15 gleixner Exp $
7 */
8
9#include <linux/config.h>
10#include <linux/module.h>
11#include <linux/types.h>
12#include <linux/init.h>
13#include <linux/kernel.h>
14
15#include <linux/mtd/mtd.h>
16#include <linux/mtd/map.h>
17#include <linux/mtd/partitions.h>
18
19#include <asm/io.h>
20
21#ifdef DEBUG_RW
22#define DBG(x...) printk(x)
23#else
24#define DBG(x...)
25#endif
26
27#ifdef CONFIG_MIPS_PB1000
28
29#define WINDOW_ADDR 0x1F800000
30#define WINDOW_SIZE 0x800000
31
32static struct mtd_partition pb1xxx_partitions[] = {
33 {
34 .name = "yamon env",
35 .size = 0x00020000,
36 .offset = 0,
37 .mask_flags = MTD_WRITEABLE},
38 {
39 .name = "User FS",
40 .size = 0x003e0000,
41 .offset = 0x20000,},
42 {
43 .name = "boot code",
44 .size = 0x100000,
45 .offset = 0x400000,
46 .mask_flags = MTD_WRITEABLE},
47 {
48 .name = "raw/kernel",
49 .size = 0x300000,
50 .offset = 0x500000}
51};
52
53#elif defined(CONFIG_MIPS_PB1500) || defined(CONFIG_MIPS_PB1100)
54
55#if defined(CONFIG_MTD_PB1500_BOOT) && defined(CONFIG_MTD_PB1500_USER)
56/* both 32MB banks will be used. Combine the first 32MB bank and the
57 * first 28MB of the second bank together into a single jffs/jffs2
58 * partition.
59 */
60#define WINDOW_ADDR 0x1C000000
61#define WINDOW_SIZE 0x4000000
62static struct mtd_partition pb1xxx_partitions[] = {
63 {
64 .name = "User FS",
65 .size = 0x3c00000,
66 .offset = 0x0000000
67 },{
68 .name = "yamon",
69 .size = 0x0100000,
70 .offset = 0x3c00000,
71 .mask_flags = MTD_WRITEABLE
72 },{
73 .name = "raw kernel",
74 .size = 0x02c0000,
75 .offset = 0x3d00000
76 }
77};
78#elif defined(CONFIG_MTD_PB1500_BOOT) && !defined(CONFIG_MTD_PB1500_USER)
79#define WINDOW_ADDR 0x1E000000
80#define WINDOW_SIZE 0x2000000
81static struct mtd_partition pb1xxx_partitions[] = {
82 {
83 .name = "User FS",
84 .size = 0x1c00000,
85 .offset = 0x0000000
86 },{
87 .name = "yamon",
88 .size = 0x0100000,
89 .offset = 0x1c00000,
90 .mask_flags = MTD_WRITEABLE
91 },{
92 .name = "raw kernel",
93 .size = 0x02c0000,
94 .offset = 0x1d00000
95 }
96};
97#elif !defined(CONFIG_MTD_PB1500_BOOT) && defined(CONFIG_MTD_PB1500_USER)
98#define WINDOW_ADDR 0x1C000000
99#define WINDOW_SIZE 0x2000000
100static struct mtd_partition pb1xxx_partitions[] = {
101 {
102 .name = "User FS",
103 .size = 0x1e00000,
104 .offset = 0x0000000
105 },{
106 .name = "raw kernel",
107 .size = 0x0200000,
108 .offset = 0x1e00000,
109 }
110};
111#else
112#error MTD_PB1500 define combo error /* should never happen */
113#endif
114#else
115#error Unsupported board
116#endif
117
118#define NAME "Pb1x00 Linux Flash"
119#define PADDR WINDOW_ADDR
120#define BUSWIDTH 4
121#define SIZE WINDOW_SIZE
122#define PARTITIONS 4
123
124static struct map_info pb1xxx_mtd_map = {
125 .name = NAME,
126 .size = SIZE,
127 .bankwidth = BUSWIDTH,
128 .phys = PADDR,
129};
130
131static struct mtd_info *pb1xxx_mtd;
132
133int __init pb1xxx_mtd_init(void)
134{
135 struct mtd_partition *parts;
136 int nb_parts = 0;
137 char *part_type;
138
139 /*
140 * Static partition definition selection
141 */
142 part_type = "static";
143 parts = pb1xxx_partitions;
144 nb_parts = ARRAY_SIZE(pb1xxx_partitions);
145
146 /*
147 * Now let's probe for the actual flash. Do it here since
148 * specific machine settings might have been set above.
149 */
150 printk(KERN_NOTICE "Pb1xxx flash: probing %d-bit flash bus\n",
151 BUSWIDTH*8);
152 pb1xxx_mtd_map.virt = ioremap(WINDOW_ADDR, WINDOW_SIZE);
153
154 simple_map_init(&pb1xxx_mtd_map);
155
156 pb1xxx_mtd = do_map_probe("cfi_probe", &pb1xxx_mtd_map);
157 if (!pb1xxx_mtd) return -ENXIO;
158 pb1xxx_mtd->owner = THIS_MODULE;
159
160 add_mtd_partitions(pb1xxx_mtd, parts, nb_parts);
161 return 0;
162}
163
164static void __exit pb1xxx_mtd_cleanup(void)
165{
166 if (pb1xxx_mtd) {
167 del_mtd_partitions(pb1xxx_mtd);
168 map_destroy(pb1xxx_mtd);
169 iounmap((void *) pb1xxx_mtd_map.virt);
170 }
171}
172
173module_init(pb1xxx_mtd_init);
174module_exit(pb1xxx_mtd_cleanup);
175
176MODULE_AUTHOR("Pete Popov");
177MODULE_DESCRIPTION("Pb1xxx CFI map driver");
178MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-18 05:30:32 -0500