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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/*
* linux/arch/arm/mach-sa1100/cerf.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Apr-2003 : Removed some old PDA crud [FB]
* Oct-2003 : Added uart2 resource [FB]
* Jan-2004 : Removed io map for flash [FB]
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/tty.h>
#include <linux/platform_device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <asm/irq.h>
#include <asm/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>
#include <asm/mach/serial_sa1100.h>
#include <asm/arch/cerf.h>
#include <asm/arch/mcp.h>
#include "generic.h"
static struct resource cerfuart2_resources[] = {
[0] = {
.start = 0x80030000,
.end = 0x8003ffff,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device cerfuart2_device = {
.name = "sa11x0-uart",
.id = 2,
.num_resources = ARRAY_SIZE(cerfuart2_resources),
.resource = cerfuart2_resources,
};
static struct platform_device *cerf_devices[] __initdata = {
&cerfuart2_device,
};
#ifdef CONFIG_SA1100_CERF_FLASH_32MB
# define CERF_FLASH_SIZE 0x02000000
#elif defined CONFIG_SA1100_CERF_FLASH_16MB
# define CERF_FLASH_SIZE 0x01000000
#elif defined CONFIG_SA1100_CERF_FLASH_8MB
# define CERF_FLASH_SIZE 0x00800000
#else
# error "Undefined flash size for CERF"
#endif
static struct mtd_partition cerf_partitions[] = {
{
.name = "Bootloader",
.size = 0x00020000,
.offset = 0x00000000,
}, {
.name = "Params",
.size = 0x00040000,
.offset = 0x00020000,
}, {
.name = "Kernel",
.size = 0x00100000,
.offset = 0x00060000,
}, {
.name = "Filesystem",
.size = CERF_FLASH_SIZE-0x00160000,
.offset = 0x00160000,
}
};
static struct flash_platform_data cerf_flash_data = {
.map_name = "cfi_probe",
.parts = cerf_partitions,
.nr_parts = ARRAY_SIZE(cerf_partitions),
};
static struct resource cerf_flash_resource = {
.start = SA1100_CS0_PHYS,
.end = SA1100_CS0_PHYS + SZ_32M - 1,
.flags = IORESOURCE_MEM,
};
static void __init cerf_init_irq(void)
{
sa1100_init_irq();
set_irq_type(CERF_ETH_IRQ, IRQT_RISING);
}
static struct map_desc cerf_io_desc[] __initdata = {
{ /* Crystal Ethernet Chip */
.virtual = 0xf0000000,
.pfn = __phys_to_pfn(0x08000000),
.length = 0x00100000,
.type = MT_DEVICE
}
};
static void __init cerf_map_io(void)
{
sa1100_map_io();
iotable_init(cerf_io_desc, ARRAY_SIZE(cerf_io_desc));
sa1100_register_uart(0, 3);
sa1100_register_uart(1, 2); /* disable this and the uart2 device for sa1100_fir */
sa1100_register_uart(2, 1);
/* set some GPDR bits here while it's safe */
GPDR |= CERF_GPIO_CF_RESET;
}
static struct mcp_plat_data cerf_mcp_data = {
.mccr0 = MCCR0_ADM,
.sclk_rate = 11981000,
};
static void __init cerf_init(void)
{
platform_add_devices(cerf_devices, ARRAY_SIZE(cerf_devices));
sa11x0_set_flash_data(&cerf_flash_data, &cerf_flash_resource, 1);
sa11x0_set_mcp_data(&cerf_mcp_data);
}
MACHINE_START(CERF, "Intrinsyc CerfBoard/CerfCube")
/* Maintainer: support@intrinsyc.com */
.phys_io = 0x80000000,
.io_pg_offst = ((0xf8000000) >> 18) & 0xfffc,
.map_io = cerf_map_io,
.init_irq = cerf_init_irq,
.timer = &sa1100_timer,
.init_machine = cerf_init,
MACHINE_END
|
