summaryrefslogtreecommitdiff
path: root/arch/arm/mach-at91/board-rsi-ews.c
blob: f6d7f1958c7e5822661ac6517f48aa4de21a7247 (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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
/*
 * board-rsi-ews.c
 *
 *  Copyright (C)
 *  2005 SAN People,
 *  2008-2011 R-S-I Elektrotechnik GmbH & Co. KG
 *
 * Licensed under GPLv2 or later.
 */

#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 <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/hardware.h>

#include <linux/gpio.h>

#include "at91_aic.h"
#include "board.h"
#include "generic.h"

static void __init rsi_ews_init_early(void)
{
	/* Initialize processor: 18.432 MHz crystal */
	at91_initialize(18432000);
}

/*
 * Ethernet
 */
static struct macb_platform_data rsi_ews_eth_data __initdata = {
	.phy_irq_pin	= AT91_PIN_PC4,
	.is_rmii	= 1,
};

/*
 * USB Host
 */
static struct at91_usbh_data rsi_ews_usbh_data __initdata = {
	.ports		= 1,
	.vbus_pin	= {-EINVAL, -EINVAL},
	.overcurrent_pin= {-EINVAL, -EINVAL},
};

/*
 * SD/MC
 */
static struct mci_platform_data __initdata rsi_ews_mci0_data = {
	.slot[0] = {
		.bus_width	= 4,
		.detect_pin	= AT91_PIN_PB27,
		.wp_pin		= AT91_PIN_PB29,
	},
};

/*
 * I2C
 */
static struct i2c_board_info rsi_ews_i2c_devices[] __initdata = {
	{
		I2C_BOARD_INFO("ds1337", 0x68),
	},
	{
		I2C_BOARD_INFO("24c01", 0x50),
	}
};

/*
 * LEDs
 */
static struct gpio_led rsi_ews_leds[] = {
	{
		.name			= "led0",
		.gpio			= AT91_PIN_PB6,
		.active_low		= 0,
	},
	{
		.name			= "led1",
		.gpio			= AT91_PIN_PB7,
		.active_low		= 0,
	},
	{
		.name			= "led2",
		.gpio			= AT91_PIN_PB8,
		.active_low		= 0,
	},
	{
		.name			= "led3",
		.gpio			= AT91_PIN_PB9,
		.active_low		= 0,
	},
};

/*
 * DataFlash
 */
static struct spi_board_info rsi_ews_spi_devices[] = {
	{	/* DataFlash chip 1*/
		.modalias	= "mtd_dataflash",
		.chip_select	= 0,
		.max_speed_hz	= 5 * 1000 * 1000,
	},
	{	/* DataFlash chip 2*/
		.modalias	= "mtd_dataflash",
		.chip_select	= 1,
		.max_speed_hz	= 5 * 1000 * 1000,
	},
};

/*
 * NOR flash
 */
static struct mtd_partition rsiews_nor_partitions[] = {
	{
		.name		= "boot",
		.offset		= 0,
		.size		= 3 * SZ_128K,
		.mask_flags	= MTD_WRITEABLE
	},
	{
		.name		= "kernel",
		.offset		= MTDPART_OFS_NXTBLK,
		.size		= SZ_2M - (3 * SZ_128K)
	},
	{
		.name		= "root",
		.offset		= MTDPART_OFS_NXTBLK,
		.size		= SZ_8M
	},
	{
		.name		= "kernelupd",
		.offset		= MTDPART_OFS_NXTBLK,
		.size		= 3 * SZ_512K,
		.mask_flags	= MTD_WRITEABLE
	},
	{
		.name		= "rootupd",
		.offset		= MTDPART_OFS_NXTBLK,
		.size		= 9 * SZ_512K,
		.mask_flags	= MTD_WRITEABLE
	},
};

static struct physmap_flash_data rsiews_nor_data = {
	.width		= 2,
	.parts		= rsiews_nor_partitions,
	.nr_parts	= ARRAY_SIZE(rsiews_nor_partitions),
};

#define NOR_BASE	AT91_CHIPSELECT_0
#define NOR_SIZE	SZ_16M

static struct resource nor_flash_resources[] = {
	{
		.start	= NOR_BASE,
		.end	= NOR_BASE + NOR_SIZE - 1,
		.flags	= IORESOURCE_MEM,
	}
};

static struct platform_device rsiews_nor_flash = {
	.name		= "physmap-flash",
	.id		= 0,
	.dev		= {
				.platform_data	= &rsiews_nor_data,
	},
	.resource	= nor_flash_resources,
	.num_resources	= ARRAY_SIZE(nor_flash_resources),
};

/*
 * Init Func
 */
static void __init rsi_ews_board_init(void)
{
	/* Serial */
	/* DBGU on ttyS0. (Rx & Tx only) */
	/* This one is for debugging */
	at91_register_uart(0, 0, 0);

	/* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
	/* Dialin/-out modem interface */
	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);

	/* USART3 on ttyS4. (Rx, Tx, RTS) */
	/* RS485 communication */
	at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_RTS);
	at91_add_device_serial();
	at91_set_gpio_output(AT91_PIN_PA21, 0);
	/* Ethernet */
	at91_add_device_eth(&rsi_ews_eth_data);
	/* USB Host */
	at91_add_device_usbh(&rsi_ews_usbh_data);
	/* I2C */
	at91_add_device_i2c(rsi_ews_i2c_devices,
			ARRAY_SIZE(rsi_ews_i2c_devices));
	/* SPI */
	at91_add_device_spi(rsi_ews_spi_devices,
			ARRAY_SIZE(rsi_ews_spi_devices));
	/* MMC */
	at91_add_device_mci(0, &rsi_ews_mci0_data);
	/* NOR Flash */
	platform_device_register(&rsiews_nor_flash);
	/* LEDs */
	at91_gpio_leds(rsi_ews_leds, ARRAY_SIZE(rsi_ews_leds));
}

MACHINE_START(RSI_EWS, "RSI EWS")
	/* Maintainer: Josef Holzmayr <holzmayr@rsi-elektrotechnik.de> */
	.init_time	= at91rm9200_timer_init,
	.map_io		= at91_map_io,
	.handle_irq	= at91_aic_handle_irq,
	.init_early	= rsi_ews_init_early,
	.init_irq	= at91_init_irq_default,
	.init_machine	= rsi_ews_board_init,
MACHINE_END