summaryrefslogtreecommitdiff
path: root/arch/arm/mach-at91/board-ecbat91.c
blob: 192ec76579c4c1f3585b083d89283996a96a0632 (plain)
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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
/*
 * linux/arch/arm/mach-at91rm9200/board-ecbat91.c
 * Copyright (C) 2007 emQbit.com.
 *
 * We started from board-dk.c, which is Copyright (C) 2005 SAN People.
 *
 * 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/gpio.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/spi/flash.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/cpu.h>
#include <mach/at91_aic.h>

#include "generic.h"


static void __init ecb_at91init_early(void)
{
	/* Set cpu type: PQFP */
	at91rm9200_set_type(ARCH_REVISON_9200_PQFP);

	/* Initialize processor: 18.432 MHz crystal */
	at91_initialize(18432000);
}

static struct macb_platform_data __initdata ecb_at91eth_data = {
	.phy_irq_pin	= AT91_PIN_PC4,
	.is_rmii	= 0,
};

static struct at91_usbh_data __initdata ecb_at91usbh_data = {
	.ports		= 1,
	.vbus_pin	= {-EINVAL, -EINVAL},
	.overcurrent_pin= {-EINVAL, -EINVAL},
};

static struct at91_mmc_data __initdata ecb_at91mmc_data = {
	.slot_b		= 0,
	.wire4		= 1,
	.det_pin	= -EINVAL,
	.wp_pin		= -EINVAL,
	.vcc_pin	= -EINVAL,
};


#if defined(CONFIG_MTD_DATAFLASH)
static struct mtd_partition __initdata my_flash0_partitions[] =
{
	{	/* 0x8400 */
		.name	= "Darrell-loader",
		.offset	= 0,
		.size	= 12 * 1056,
	},
	{
		.name	= "U-boot",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= 110 * 1056,
	},
	{	/* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
		.name	= "UBoot-env",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= 8 * 1056,
	},
	{	/* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
		.name	= "Kernel",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= 1534 * 1056,
	},
	{	/* 190200 - jffs2 root filesystem */
		.name	= "Filesystem",
		.offset	= MTDPART_OFS_NXTBLK,
		.size	= MTDPART_SIZ_FULL,	/* 26 sectors */
	}
};

static struct flash_platform_data __initdata my_flash0_platform = {
	.name		= "Removable flash card",
	.parts		= my_flash0_partitions,
	.nr_parts	= ARRAY_SIZE(my_flash0_partitions)
};

#endif

static struct spi_board_info __initdata ecb_at91spi_devices[] = {
	{	/* DataFlash chip */
		.modalias	= "mtd_dataflash",
		.chip_select	= 0,
		.max_speed_hz	= 10 * 1000 * 1000,
		.bus_num	= 0,
#if defined(CONFIG_MTD_DATAFLASH)
		.platform_data	= &my_flash0_platform,
#endif
	},
	{	/* User accessible spi - cs1 (250KHz) */
		.modalias	= "spi-cs1",
		.chip_select	= 1,
		.max_speed_hz	= 250 * 1000,
	},
	{	/* User accessible spi - cs2 (1MHz) */
		.modalias	= "spi-cs2",
		.chip_select	= 2,
		.max_speed_hz	= 1 * 1000 * 1000,
	},
	{	/* User accessible spi - cs3 (10MHz) */
		.modalias	= "spi-cs3",
		.chip_select	= 3,
		.max_speed_hz	= 10 * 1000 * 1000,
	},
};

/*
 * LEDs
 */
static struct gpio_led ecb_leds[] = {
	{	/* D1 */
		.name			= "led1",
		.gpio			= AT91_PIN_PC7,
		.active_low		= 1,
		.default_trigger	= "heartbeat",
	}
};

static void __init ecb_at91board_init(void)
{
	/* Serial */
	/* DBGU on ttyS0. (Rx & Tx only) */
	at91_register_uart(0, 0, 0);

	/* USART0 on ttyS1. (Rx & Tx only) */
	at91_register_uart(AT91RM9200_ID_US0, 1, 0);
	at91_add_device_serial();

	/* Ethernet */
	at91_add_device_eth(&ecb_at91eth_data);

	/* USB Host */
	at91_add_device_usbh(&ecb_at91usbh_data);

	/* I2C */
	at91_add_device_i2c(NULL, 0);

	/* MMC */
	at91_add_device_mmc(0, &ecb_at91mmc_data);

	/* SPI */
	at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices));

	/* LEDs */
	at91_gpio_leds(ecb_leds, ARRAY_SIZE(ecb_leds));
}

MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
	/* Maintainer: emQbit.com */
	.timer		= &at91rm9200_timer,
	.map_io		= at91_map_io,
	.handle_irq	= at91_aic_handle_irq,
	.init_early	= ecb_at91init_early,
	.init_irq	= at91_init_irq_default,
	.init_machine	= ecb_at91board_init,
MACHINE_END