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authorManuel Lauss <manuel.lauss@googlemail.com>2009-10-19 06:53:37 -0400
committerRalf Baechle <ralf@linux-mips.org>2010-02-27 06:52:59 -0500
commit206aa6cdadad8bbedee5649f1346fe47e922a039 (patch)
tree1b66e9d98b65d7afe962bb6c6989f3ad212f2e6d /drivers/mtd
parent8facefd0907ae16f96a35bef7ce654206d87c2fc (diff)
MIPS: Alchemy: physmap-flash for all devboards
Replace the devboard NOR MTD mapping driver with physmap-flash support. Also honor the "swapboot" switch settings wrt. to the layout of the NOR partitions. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> Cc: Linux-MIPS <linux-mips@linux-mips.org> Acked-By: David Woodhouse <David.Woodhouse@intel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/maps/Kconfig6
-rw-r--r--drivers/mtd/maps/Makefile1
-rw-r--r--drivers/mtd/maps/alchemy-flash.c166
3 files changed, 0 insertions, 173 deletions
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index 2de0cc823d6..2bb03a8b9ef 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -251,12 +251,6 @@ config MTD_NETtel
251 help 251 help
252 Support for flash chips on NETtel/SecureEdge/SnapGear boards. 252 Support for flash chips on NETtel/SecureEdge/SnapGear boards.
253 253
254config MTD_ALCHEMY
255 tristate "AMD Alchemy Pb1xxx/Db1xxx/RDK MTD support"
256 depends on SOC_AU1X00 && MTD_PARTITIONS && MTD_CFI
257 help
258 Flash memory access on AMD Alchemy Pb/Db/RDK Reference Boards
259
260config MTD_DILNETPC 254config MTD_DILNETPC
261 tristate "CFI Flash device mapped on DIL/Net PC" 255 tristate "CFI Flash device mapped on DIL/Net PC"
262 depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT && BROKEN 256 depends on X86 && MTD_CONCAT && MTD_PARTITIONS && MTD_CFI_INTELEXT && BROKEN
diff --git a/drivers/mtd/maps/Makefile b/drivers/mtd/maps/Makefile
index ce315214ff2..a44919f3f3d 100644
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -40,7 +40,6 @@ obj-$(CONFIG_MTD_SCx200_DOCFLASH)+= scx200_docflash.o
40obj-$(CONFIG_MTD_DBOX2) += dbox2-flash.o 40obj-$(CONFIG_MTD_DBOX2) += dbox2-flash.o
41obj-$(CONFIG_MTD_SOLUTIONENGINE)+= solutionengine.o 41obj-$(CONFIG_MTD_SOLUTIONENGINE)+= solutionengine.o
42obj-$(CONFIG_MTD_PCI) += pci.o 42obj-$(CONFIG_MTD_PCI) += pci.o
43obj-$(CONFIG_MTD_ALCHEMY) += alchemy-flash.o
44obj-$(CONFIG_MTD_AUTCPU12) += autcpu12-nvram.o 43obj-$(CONFIG_MTD_AUTCPU12) += autcpu12-nvram.o
45obj-$(CONFIG_MTD_EDB7312) += edb7312.o 44obj-$(CONFIG_MTD_EDB7312) += edb7312.o
46obj-$(CONFIG_MTD_IMPA7) += impa7.o 45obj-$(CONFIG_MTD_IMPA7) += impa7.o
diff --git a/drivers/mtd/maps/alchemy-flash.c b/drivers/mtd/maps/alchemy-flash.c
deleted file mode 100644
index 845ad4f2a54..00000000000
--- a/drivers/mtd/maps/alchemy-flash.c
+++ /dev/null
@@ -1,166 +0,0 @@
1/*
2 * Flash memory access on AMD Alchemy evaluation boards
3 *
4 * (C) 2003, 2004 Pete Popov <ppopov@embeddedalley.com>
5 */
6
7#include <linux/init.h>
8#include <linux/module.h>
9#include <linux/types.h>
10#include <linux/kernel.h>
11
12#include <linux/mtd/mtd.h>
13#include <linux/mtd/map.h>
14#include <linux/mtd/partitions.h>
15
16#include <asm/io.h>
17
18#ifdef CONFIG_MIPS_PB1000
19#define BOARD_MAP_NAME "Pb1000 Flash"
20#define BOARD_FLASH_SIZE 0x00800000 /* 8MB */
21#define BOARD_FLASH_WIDTH 4 /* 32-bits */
22#endif
23
24#ifdef CONFIG_MIPS_PB1500
25#define BOARD_MAP_NAME "Pb1500 Flash"
26#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */
27#define BOARD_FLASH_WIDTH 4 /* 32-bits */
28#endif
29
30#ifdef CONFIG_MIPS_PB1100
31#define BOARD_MAP_NAME "Pb1100 Flash"
32#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */
33#define BOARD_FLASH_WIDTH 4 /* 32-bits */
34#endif
35
36#ifdef CONFIG_MIPS_PB1550
37#define BOARD_MAP_NAME "Pb1550 Flash"
38#define BOARD_FLASH_SIZE 0x08000000 /* 128MB */
39#define BOARD_FLASH_WIDTH 4 /* 32-bits */
40#endif
41
42#ifdef CONFIG_MIPS_PB1200
43#define BOARD_MAP_NAME "Pb1200 Flash"
44#define BOARD_FLASH_SIZE 0x08000000 /* 128MB */
45#define BOARD_FLASH_WIDTH 2 /* 16-bits */
46#endif
47
48#ifdef CONFIG_MIPS_DB1000
49#define BOARD_MAP_NAME "Db1000 Flash"
50#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */
51#define BOARD_FLASH_WIDTH 4 /* 32-bits */
52#endif
53
54#ifdef CONFIG_MIPS_DB1500
55#define BOARD_MAP_NAME "Db1500 Flash"
56#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */
57#define BOARD_FLASH_WIDTH 4 /* 32-bits */
58#endif
59
60#ifdef CONFIG_MIPS_DB1100
61#define BOARD_MAP_NAME "Db1100 Flash"
62#define BOARD_FLASH_SIZE 0x02000000 /* 32MB */
63#define BOARD_FLASH_WIDTH 4 /* 32-bits */
64#endif
65
66#ifdef CONFIG_MIPS_DB1550
67#define BOARD_MAP_NAME "Db1550 Flash"
68#define BOARD_FLASH_SIZE 0x08000000 /* 128MB */
69#define BOARD_FLASH_WIDTH 4 /* 32-bits */
70#endif
71
72#ifdef CONFIG_MIPS_DB1200
73#define BOARD_MAP_NAME "Db1200 Flash"
74#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */
75#define BOARD_FLASH_WIDTH 2 /* 16-bits */
76#endif
77
78#ifdef CONFIG_MIPS_BOSPORUS
79#define BOARD_MAP_NAME "Bosporus Flash"
80#define BOARD_FLASH_SIZE 0x01000000 /* 16MB */
81#define BOARD_FLASH_WIDTH 2 /* 16-bits */
82#endif
83
84#ifdef CONFIG_MIPS_MIRAGE
85#define BOARD_MAP_NAME "Mirage Flash"
86#define BOARD_FLASH_SIZE 0x04000000 /* 64MB */
87#define BOARD_FLASH_WIDTH 4 /* 32-bits */
88#define USE_LOCAL_ACCESSORS /* why? */
89#endif
90
91static struct map_info alchemy_map = {
92 .name = BOARD_MAP_NAME,
93};
94
95static struct mtd_partition alchemy_partitions[] = {
96 {
97 .name = "User FS",
98 .size = BOARD_FLASH_SIZE - 0x00400000,
99 .offset = 0x0000000
100 },{
101 .name = "YAMON",
102 .size = 0x0100000,
103 .offset = MTDPART_OFS_APPEND,
104 .mask_flags = MTD_WRITEABLE
105 },{
106 .name = "raw kernel",
107 .size = (0x300000 - 0x40000), /* last 256KB is yamon env */
108 .offset = MTDPART_OFS_APPEND,
109 }
110};
111
112static struct mtd_info *mymtd;
113
114static int __init alchemy_mtd_init(void)
115{
116 struct mtd_partition *parts;
117 int nb_parts = 0;
118 unsigned long window_addr;
119 unsigned long window_size;
120
121 /* Default flash buswidth */
122 alchemy_map.bankwidth = BOARD_FLASH_WIDTH;
123
124 window_addr = 0x20000000 - BOARD_FLASH_SIZE;
125 window_size = BOARD_FLASH_SIZE;
126
127 /*
128 * Static partition definition selection
129 */
130 parts = alchemy_partitions;
131 nb_parts = ARRAY_SIZE(alchemy_partitions);
132 alchemy_map.size = window_size;
133
134 /*
135 * Now let's probe for the actual flash. Do it here since
136 * specific machine settings might have been set above.
137 */
138 printk(KERN_NOTICE BOARD_MAP_NAME ": probing %d-bit flash bus\n",
139 alchemy_map.bankwidth*8);
140 alchemy_map.virt = ioremap(window_addr, window_size);
141 mymtd = do_map_probe("cfi_probe", &alchemy_map);
142 if (!mymtd) {
143 iounmap(alchemy_map.virt);
144 return -ENXIO;
145 }
146 mymtd->owner = THIS_MODULE;
147
148 add_mtd_partitions(mymtd, parts, nb_parts);
149 return 0;
150}
151
152static void __exit alchemy_mtd_cleanup(void)
153{
154 if (mymtd) {
155 del_mtd_partitions(mymtd);
156 map_destroy(mymtd);
157 iounmap(alchemy_map.virt);
158 }
159}
160
161module_init(alchemy_mtd_init);
162module_exit(alchemy_mtd_cleanup);
163
164MODULE_AUTHOR("Embedded Alley Solutions, Inc");
165MODULE_DESCRIPTION(BOARD_MAP_NAME " MTD driver");
166MODULE_LICENSE("GPL");