aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-at91/board-cpuat91.c
blob: 2f4dd8cdd484a50c1276fd48dcc61b68b3519c24 (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
/*
 * linux/arch/arm/mach-at91/board-cpuat91.c
 *
 *  Copyright (C) 2009 Eric Benard - eric@eukrea.com
 *
 * 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/mtd/physmap.h>
#include <linux/mtd/plat-ram.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"

static struct gpio_led cpuat91_leds[] = {
	{
		.name			= "led1",
		.default_trigger	= "heartbeat",
		.active_low		= 1,
		.gpio			= AT91_PIN_PC0,
	},
};

static void __init cpuat91_map_io(void)
{
	/* Initialize processor: 18.432 MHz crystal */
	at91rm9200_initialize(18432000, AT91RM9200_PQFP);

	/* DBGU on ttyS0. (Rx & Tx only) */
	at91_register_uart(0, 0, 0);

	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
	at91_register_uart(AT91RM9200_ID_US0, 1, ATMEL_UART_CTS |
		ATMEL_UART_RTS);

	/* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
	at91_register_uart(AT91RM9200_ID_US1, 2, ATMEL_UART_CTS |
		ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR |
		ATMEL_UART_DCD | ATMEL_UART_RI);

	/* USART2 on ttyS3 (Rx, Tx) */
	at91_register_uart(AT91RM9200_ID_US2, 3, 0);

	/* USART3 on ttyS4 (Rx, Tx, CTS, RTS) */
	at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_CTS |
		ATMEL_UART_RTS);

	/* set serial console to ttyS0 (ie, DBGU) */
	at91_set_serial_console(0);
}

static void __init cpuat91_init_irq(void)
{
	at91rm9200_init_interrupts(NULL);
}

static struct at91_eth_data __initdata cpuat91_eth_data = {
	.is_rmii	= 1,
};

static struct at91_usbh_data __initdata cpuat91_usbh_data = {
	.ports		= 1,
};

static struct at91_udc_data __initdata cpuat91_udc_data = {
	.vbus_pin	= AT91_PIN_PC15,
	.pullup_pin	= AT91_PIN_PC14,
};

static struct at91_mmc_data __initdata cpuat91_mmc_data = {
	.det_pin	= AT91_PIN_PC2,
	.wire4		= 1,
};

static struct physmap_flash_data cpuat91_flash_data = {
	.width		= 2,
};

static struct resource cpuat91_flash_resource = {
	.start		= AT91_CHIPSELECT_0,
	.end		= AT91_CHIPSELECT_0 + SZ_16M - 1,
	.flags		= IORESOURCE_MEM,
};

static struct platform_device cpuat91_norflash = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev	= {
		.platform_data	= &cpuat91_flash_data,
	},
	.resource	= &cpuat91_flash_resource,
	.num_resources	= 1,
};

#ifdef CONFIG_MTD_PLATRAM
struct platdata_mtd_ram at91_sram_pdata = {
	.mapname	= "SRAM",
	.bankwidth	= 2,
};

static struct resource at91_sram_resource[] = {
	[0] = {
		.start = AT91RM9200_SRAM_BASE,
		.end   = AT91RM9200_SRAM_BASE + AT91RM9200_SRAM_SIZE - 1,
		.flags = IORESOURCE_MEM,
	},
};

static struct platform_device at91_sram = {
	.name		= "mtd-ram",
	.id		= 0,
	.resource	= at91_sram_resource,
	.num_resources	= ARRAY_SIZE(at91_sram_resource),
	.dev	= {
		.platform_data = &at91_sram_pdata,
	},
};
#endif /* MTD_PLATRAM */

static struct platform_device *platform_devices[] __initdata = {
	&cpuat91_norflash,
#ifdef CONFIG_MTD_PLATRAM
	&at91_sram,
#endif /* CONFIG_MTD_PLATRAM */
};

static void __init cpuat91_board_init(void)
{
	/* Serial */
	at91_add_device_serial();
	/* LEDs. */
	at91_gpio_leds(cpuat91_leds, ARRAY_SIZE(cpuat91_leds));
	/* Ethernet */
	at91_add_device_eth(&cpuat91_eth_data);
	/* USB Host */
	at91_add_device_usbh(&cpuat91_usbh_data);
	/* USB Device */
	at91_add_device_udc(&cpuat91_udc_data);
	/* MMC */
	at91_add_device_mmc(0, &cpuat91_mmc_data);
	/* I2C */
	at91_add_device_i2c(NULL, 0);
	/* Platform devices */
	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
}

MACHINE_START(CPUAT91, "Eukrea")
	/* Maintainer: Eric Benard - EUKREA Electromatique */
	.boot_params	= AT91_SDRAM_BASE + 0x100,
	.timer		= &at91rm9200_timer,
	.map_io		= cpuat91_map_io,
	.init_irq	= cpuat91_init_irq,
	.init_machine	= cpuat91_board_init,
MACHINE_END