summaryrefslogtreecommitdiff
path: root/arch/arm/mach-at91rm9200/board-dk.c
blob: 65873037e02ad94572290e4848fb330b16b01491 (plain) (blame)
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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
/*
 * linux/arch/arm/mach-at91rm9200/board-dk.c
 *
 *  Copyright (C) 2005 SAN People
 *
 *  Epson S1D framebuffer glue code is:
 *     Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/types.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>

#include <asm/hardware.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <asm/hardware.h>
#include <asm/arch/board.h>
#include <asm/arch/gpio.h>

#include "generic.h"

static void __init dk_init_irq(void)
{
	/* Initialize AIC controller */
	at91rm9200_init_irq(NULL);

	/* Set up the GPIO interrupts */
	at91_gpio_irq_setup(BGA_GPIO_BANKS);
}

/*
 * Serial port configuration.
 *    0 .. 3 = USART0 .. USART3
 *    4      = DBGU
 */
static struct at91_uart_config __initdata dk_uart_config = {
	.console_tty	= 0,				/* ttyS0 */
	.nr_tty		= 2,
	.tty_map	= { 4, 1, -1, -1, -1 }		/* ttyS0, ..., ttyS4 */
};

static void __init dk_map_io(void)
{
	at91rm9200_map_io();

	/* Initialize clocks: 18.432 MHz crystal */
	at91_clock_init(18432000);

	/* Setup the LEDs */
	at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);

	/* Setup the serial ports and console */
	at91_init_serial(&dk_uart_config);
}

static struct at91_eth_data __initdata dk_eth_data = {
	.phy_irq_pin	= AT91_PIN_PC4,
	.is_rmii	= 1,
};

static struct at91_usbh_data __initdata dk_usbh_data = {
	.ports		= 2,
};

static struct at91_udc_data __initdata dk_udc_data = {
	.vbus_pin	= AT91_PIN_PD4,
	.pullup_pin	= AT91_PIN_PD5,
};

static struct at91_cf_data __initdata dk_cf_data = {
	.det_pin	= AT91_PIN_PB0,
	.rst_pin	= AT91_PIN_PC5,
	// .irq_pin	= ... not connected
	// .vcc_pin	= ... always powered
};

static struct at91_mmc_data __initdata dk_mmc_data = {
	.is_b		= 0,
	.wire4		= 1,
};

static struct spi_board_info dk_spi_devices[] = {
	{	/* DataFlash chip */
		.modalias	= "mtd_dataflash",
		.chip_select	= 0,
		.max_speed_hz	= 15 * 1000 * 1000,
	},
	{	/* UR6HCPS2-SP40 PS2-to-SPI adapter */
		.modalias	= "ur6hcps2",
		.chip_select	= 1,
		.max_speed_hz	= 250 *  1000,
	},
	{	/* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */
		.modalias	= "tlv1504",
		.chip_select	= 2,
		.max_speed_hz	= 20 * 1000 * 1000,
	},
#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
	{	/* DataFlash card */
		.modalias	= "mtd_dataflash",
		.chip_select	= 3,
		.max_speed_hz	= 15 * 1000 * 1000,
	}
#endif
};

static void __init dk_board_init(void)
{
	/* Serial */
	at91_add_device_serial();
	/* Ethernet */
	at91_add_device_eth(&dk_eth_data);
	/* USB Host */
	at91_add_device_usbh(&dk_usbh_data);
	/* USB Device */
	at91_add_device_udc(&dk_udc_data);
	at91_set_multi_drive(dk_udc_data.pullup_pin, 1);	/* pullup_pin is connected to reset */
	/* Compact Flash */
	at91_add_device_cf(&dk_cf_data);
	/* I2C */
	at91_add_device_i2c();
	/* SPI */
	at91_add_device_spi(dk_spi_devices, ARRAY_SIZE(dk_spi_devices));
#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
	/* DataFlash card */
	at91_set_gpio_output(AT91_PIN_PB7, 0);
#else
	/* MMC */
	at91_set_gpio_output(AT91_PIN_PB7, 1);	/* this MMC card slot can optionally use SPI signaling (CS3). */
	at91_add_device_mmc(&dk_mmc_data);
#endif
	/* VGA */
//	dk_add_device_video();
}

MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
	/* Maintainer: SAN People/Atmel */
	.phys_io	= AT91_BASE_SYS,
	.io_pg_offst	= (AT91_VA_BASE_SYS >> 18) & 0xfffc,
	.boot_params	= AT91_SDRAM_BASE + 0x100,
	.timer		= &at91rm9200_timer,
	.map_io		= dk_map_io,
	.init_irq	= dk_init_irq,
	.init_machine	= dk_board_init,
MACHINE_END