mach-scb9328.c
3.21 KB
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
144
145
146
147
148
/*
* linux/arch/arm/mach-mx1/mach-scb9328.c
*
* Copyright (c) 2004 Sascha Hauer <saschahauer@web.de>
* Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net>
*
* 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.
*
*/
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/interrupt.h>
#include <linux/dm9000.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/irqs.h>
#include <mach/iomux-mx1.h>
#include "devices-imx1.h"
/*
* This scb9328 has a 32MiB flash
*/
static struct resource flash_resource = {
.start = MX1_CS0_PHYS,
.end = MX1_CS0_PHYS + (32 * 1024 * 1024) - 1,
.flags = IORESOURCE_MEM,
};
static struct physmap_flash_data scb_flash_data = {
.width = 2,
};
static struct platform_device scb_flash_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &scb_flash_data,
},
.resource = &flash_resource,
.num_resources = 1,
};
/*
* scb9328 has a DM9000 network controller
* connected to CS5, with 16 bit data path
* and interrupt connected to GPIO 3
*/
/*
* internal datapath is fixed 16 bit
*/
static struct dm9000_plat_data dm9000_platdata = {
.flags = DM9000_PLATF_16BITONLY,
};
/*
* the DM9000 drivers wants two defined address spaces
* to gain access to address latch registers and the data path.
*/
static struct resource dm9000x_resources[] = {
{
.name = "address area",
.start = MX1_CS5_PHYS,
.end = MX1_CS5_PHYS + 1,
.flags = IORESOURCE_MEM, /* address access */
}, {
.name = "data area",
.start = MX1_CS5_PHYS + 4,
.end = MX1_CS5_PHYS + 5,
.flags = IORESOURCE_MEM, /* data access */
}, {
.start = IRQ_GPIOC(3),
.end = IRQ_GPIOC(3),
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
},
};
static struct platform_device dm9000x_device = {
.name = "dm9000",
.id = 0,
.num_resources = ARRAY_SIZE(dm9000x_resources),
.resource = dm9000x_resources,
.dev = {
.platform_data = &dm9000_platdata,
}
};
static const int mxc_uart1_pins[] = {
PC9_PF_UART1_CTS,
PC10_PF_UART1_RTS,
PC11_PF_UART1_TXD,
PC12_PF_UART1_RXD,
};
static const struct imxuart_platform_data uart_pdata __initconst = {
.flags = IMXUART_HAVE_RTSCTS,
};
static struct platform_device *devices[] __initdata = {
&scb_flash_device,
&dm9000x_device,
};
/*
* scb9328_init - Init the CPU card itself
*/
static void __init scb9328_init(void)
{
imx1_soc_init();
mxc_gpio_setup_multiple_pins(mxc_uart1_pins,
ARRAY_SIZE(mxc_uart1_pins), "UART1");
imx1_add_imx_uart0(&uart_pdata);
printk(KERN_INFO"Scb9328: Adding devices\n");
platform_add_devices(devices, ARRAY_SIZE(devices));
}
static void __init scb9328_timer_init(void)
{
mx1_clocks_init(32000);
}
static struct sys_timer scb9328_timer = {
.init = scb9328_timer_init,
};
MACHINE_START(SCB9328, "Synertronixx scb9328")
/* Sascha Hauer */
.atag_offset = 100,
.map_io = mx1_map_io,
.init_early = imx1_init_early,
.init_irq = mx1_init_irq,
.handle_irq = imx1_handle_irq,
.timer = &scb9328_timer,
.init_machine = scb9328_init,
.restart = mxc_restart,
MACHINE_END