1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/*
* Renesas Technology Europe RSK+ Support.
*
* Copyright (C) 2008 Paul Mundt
* Copyright (C) 2008 Peter Griffin <pgriffin@mpc-data.co.uk>
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#include <linux/init.h>
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#ifdef CONFIG_MTD
#include <linux/mtd/map.h>
#endif
#include <asm/machvec.h>
#include <asm/io.h>
static struct mtd_partition rsk_partitions[] = {
{
.name = "Bootloader",
.offset = 0x00000000,
.size = 0x00040000,
.mask_flags = MTD_WRITEABLE,
}, {
.name = "Kernel",
.offset = MTDPART_OFS_NXTBLK,
.size = 0x001c0000,
}, {
.name = "Flash_FS",
.offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
}
};
static struct physmap_flash_data flash_data = {
.parts = rsk_partitions,
.nr_parts = ARRAY_SIZE(rsk_partitions),
.width = 2,
};
static struct resource flash_resource = {
.start = 0x20000000,
.end = 0x20400000,
.flags = IORESOURCE_MEM,
};
static struct platform_device flash_device = {
.name = "physmap-flash",
.id = -1,
.resource = &flash_resource,
.num_resources = 1,
.dev = {
.platform_data = &flash_data,
},
};
#ifdef CONFIG_MTD
static const char *probes[] = { "cmdlinepart", NULL };
static struct map_info rsk_flash_map = {
.name = "RSK+ Flash",
.size = 0x400000,
.bankwidth = 2,
};
static struct mtd_info *flash_mtd;
static struct mtd_partition *parsed_partitions;
static void __init set_mtd_partitions(void)
{
int nr_parts = 0;
simple_map_init(&rsk_flash_map);
flash_mtd = do_map_probe("cfi_probe", &rsk_flash_map);
nr_parts = parse_mtd_partitions(flash_mtd, probes,
&parsed_partitions, 0);
/* If there is no partition table, used the hard coded table */
if (nr_parts > 0) {
flash_data.nr_parts = nr_parts;
flash_data.parts = parsed_partitions;
}
}
#else
static inline void set_mtd_partitions(void) {}
#endif
static struct platform_device *rsk_devices[] __initdata = {
&flash_device,
};
static int __init rsk_devices_setup(void)
{
set_mtd_partitions();
return platform_add_devices(rsk_devices,
ARRAY_SIZE(rsk_devices));
}
device_initcall(rsk_devices_setup);
/*
* The Machine Vector
*/
static struct sh_machine_vector mv_rsk __initmv = {
.mv_name = "RSK+",
};
|
