aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-at91/board-picotux200.c
blob: 859727e7ea301adeb807246c98bb7d2df812f51b (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
/*
 * linux/arch/arm/mach-at91/board-picotux200.c
 *
 *  Copyright (C) 2005 SAN People
 *  Copyright (C) 2007 Kleinhenz Elektronik GmbH
 *
 * 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 <linux/mtd/physmap.h>

#include <mach/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 <mach/board.h>
#include <mach/gpio.h>
#include <mach/at91rm9200_mc.h>

#include "generic.h"


/*
 * Serial port configuration.
 *    0 .. 3 = USART0 .. USART3
 *    4      = DBGU
 */
static struct at91_uart_config __initdata picotux200_uart_config = {
	.console_tty	= 0,				/* ttyS0 */
	.nr_tty		= 2,
	.tty_map	= { 4, 1, -1, -1, -1 }		/* ttyS0, ..., ttyS4 */
};

static void __init picotux200_map_io(void)
{
	/* Initialize processor: 18.432 MHz crystal */
	at91rm9200_initialize(18432000, AT91RM9200_BGA);

	/* Setup the serial ports and console */
	at91_init_serial(&picotux200_uart_config);
}

static void __init picotux200_init_irq(void)
{
	at91rm9200_init_interrupts(NULL);
}

static struct at91_eth_data __initdata picotux200_eth_data = {
	.phy_irq_pin	= AT91_PIN_PC4,
	.is_rmii	= 1,
};

static struct at91_usbh_data __initdata picotux200_usbh_data = {
	.ports		= 1,
};

// static struct at91_udc_data __initdata picotux200_udc_data = {
// 	.vbus_pin	= AT91_PIN_PD4,
// 	.pullup_pin	= AT91_PIN_PD5,
// };

static struct at91_mmc_data __initdata picotux200_mmc_data = {
	.det_pin	= AT91_PIN_PB27,
	.slot_b		= 0,
	.wire4		= 1,
	.wp_pin		= AT91_PIN_PA17,
};

// static struct spi_board_info picotux200_spi_devices[] = {
// 	{	/* DataFlash chip */
// 		.modalias	= "mtd_dataflash",
// 		.chip_select	= 0,
// 		.max_speed_hz	= 15 * 1000 * 1000,
// 	},
// #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
// 	{	/* DataFlash card */
// 		.modalias	= "mtd_dataflash",
// 		.chip_select	= 3,
// 		.max_speed_hz	= 15 * 1000 * 1000,
// 	},
// #endif
// };

#define PICOTUX200_FLASH_BASE	AT91_CHIPSELECT_0
#define PICOTUX200_FLASH_SIZE	SZ_4M

static struct physmap_flash_data picotux200_flash_data = {
	.width	= 2,
};

static struct resource picotux200_flash_resource = {
	.start		= PICOTUX200_FLASH_BASE,
	.end		= PICOTUX200_FLASH_BASE + PICOTUX200_FLASH_SIZE - 1,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device picotux200_flash = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev		= {
				.platform_data	= &picotux200_flash_data,
			},
	.resource	= &picotux200_flash_resource,
	.num_resources	= 1,
};

static void __init picotux200_board_init(void)
{
	/* Serial */
	at91_add_device_serial();
	/* Ethernet */
	at91_add_device_eth(&picotux200_eth_data);
	/* USB Host */
	at91_add_device_usbh(&picotux200_usbh_data);
	/* USB Device */
	// at91_add_device_udc(&picotux200_udc_data);
	// at91_set_multi_drive(picotux200_udc_data.pullup_pin, 1);	/* pullup_pin is connected to reset */
	/* I2C */
	at91_add_device_i2c(NULL, 0);
	/* SPI */
	// at91_add_device_spi(picotux200_spi_devices, ARRAY_SIZE(picotux200_spi_devices));
#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
	/* DataFlash card */
	at91_set_gpio_output(AT91_PIN_PB22, 0);
#else
	/* MMC */
	at91_set_gpio_output(AT91_PIN_PB22, 1);	/* this MMC card slot can optionally use SPI signaling (CS3). */
	at91_add_device_mmc(0, &picotux200_mmc_data);
#endif
	/* NOR Flash */
	platform_device_register(&picotux200_flash);
}

MACHINE_START(PICOTUX2XX, "picotux 200")
	/* Maintainer: Kleinhenz Elektronik GmbH */
	.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		= picotux200_map_io,
	.init_irq	= picotux200_init_irq,
	.init_machine	= picotux200_board_init,
MACHINE_END