2 * linux/arch/arm/mach-at91/board-csb337.c
4 * Copyright (C) 2005 SAN People
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <linux/types.h>
22 #include <linux/gpio.h>
23 #include <linux/init.h>
25 #include <linux/module.h>
26 #include <linux/platform_device.h>
27 #include <linux/spi/spi.h>
28 #include <linux/mtd/physmap.h>
29 #include <linux/input.h>
30 #include <linux/gpio_keys.h>
32 #include <asm/setup.h>
33 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.h>
40 #include <mach/hardware.h>
41 #include <mach/at91_aic.h>
47 static void __init
csb337_init_early(void)
49 /* Initialize processor: 3.6864 MHz crystal */
50 at91_initialize(3686400);
53 static struct macb_platform_data __initdata csb337_eth_data
= {
54 .phy_irq_pin
= AT91_PIN_PC2
,
58 static struct at91_usbh_data __initdata csb337_usbh_data
= {
60 .vbus_pin
= {-EINVAL
, -EINVAL
},
61 .overcurrent_pin
= {-EINVAL
, -EINVAL
},
64 static struct at91_udc_data __initdata csb337_udc_data
= {
65 .pullup_pin
= AT91_PIN_PA24
,
69 static struct i2c_board_info __initdata csb337_i2c_devices
[] = {
71 I2C_BOARD_INFO("ds1307", 0x68),
75 static struct at91_cf_data __initdata csb337_cf_data
= {
77 * connector P4 on the CSB 337 mates to
78 * connector P8 on the CSB 300CF
82 .det_pin
= AT91_PIN_PC3
,
84 /* CSB300CF specific */
85 .irq_pin
= AT91_PIN_PA19
,
86 .vcc_pin
= AT91_PIN_PD0
,
87 .rst_pin
= AT91_PIN_PD2
,
90 static struct mci_platform_data __initdata csb337_mci0_data
= {
93 .detect_pin
= AT91_PIN_PD5
,
94 .wp_pin
= AT91_PIN_PD6
,
98 static struct spi_board_info csb337_spi_devices
[] = {
99 { /* CAN controller */
100 .modalias
= "sak82c900",
102 .max_speed_hz
= 6 * 1000 * 1000,
106 #define CSB_FLASH_BASE AT91_CHIPSELECT_0
107 #define CSB_FLASH_SIZE SZ_8M
109 static struct mtd_partition csb_flash_partitions
[] = {
111 .name
= "uMON flash",
113 .size
= MTDPART_SIZ_FULL
,
114 .mask_flags
= MTD_WRITEABLE
, /* read only */
118 static struct physmap_flash_data csb_flash_data
= {
120 .parts
= csb_flash_partitions
,
121 .nr_parts
= ARRAY_SIZE(csb_flash_partitions
),
124 static struct resource csb_flash_resources
[] = {
126 .start
= CSB_FLASH_BASE
,
127 .end
= CSB_FLASH_BASE
+ CSB_FLASH_SIZE
- 1,
128 .flags
= IORESOURCE_MEM
,
132 static struct platform_device csb_flash
= {
133 .name
= "physmap-flash",
136 .platform_data
= &csb_flash_data
,
138 .resource
= csb_flash_resources
,
139 .num_resources
= ARRAY_SIZE(csb_flash_resources
),
143 * GPIO Buttons (on CSB300)
145 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
146 static struct gpio_keys_button csb300_buttons
[] = {
148 .gpio
= AT91_PIN_PB29
,
155 .gpio
= AT91_PIN_PB28
,
162 .gpio
= AT91_PIN_PA21
,
170 static struct gpio_keys_platform_data csb300_button_data
= {
171 .buttons
= csb300_buttons
,
172 .nbuttons
= ARRAY_SIZE(csb300_buttons
),
175 static struct platform_device csb300_button_device
= {
180 .platform_data
= &csb300_button_data
,
184 static void __init
csb300_add_device_buttons(void)
186 at91_set_gpio_input(AT91_PIN_PB29
, 1); /* sw0 */
187 at91_set_deglitch(AT91_PIN_PB29
, 1);
188 at91_set_gpio_input(AT91_PIN_PB28
, 1); /* sw1 */
189 at91_set_deglitch(AT91_PIN_PB28
, 1);
190 at91_set_gpio_input(AT91_PIN_PA21
, 1); /* sw2 */
191 at91_set_deglitch(AT91_PIN_PA21
, 1);
193 platform_device_register(&csb300_button_device
);
196 static void __init
csb300_add_device_buttons(void) {}
199 static struct gpio_led csb_leds
[] = {
200 { /* "led0", yellow */
202 .gpio
= AT91_PIN_PB2
,
204 .default_trigger
= "heartbeat",
206 { /* "led1", green */
208 .gpio
= AT91_PIN_PB1
,
210 .default_trigger
= "mmc0",
212 { /* "led2", yellow */
214 .gpio
= AT91_PIN_PB0
,
216 .default_trigger
= "ide-disk",
221 static void __init
csb337_board_init(void)
225 at91_register_uart(0, 0, 0);
226 at91_add_device_serial();
228 at91_add_device_eth(&csb337_eth_data
);
230 at91_add_device_usbh(&csb337_usbh_data
);
232 at91_add_device_udc(&csb337_udc_data
);
234 at91_add_device_i2c(csb337_i2c_devices
, ARRAY_SIZE(csb337_i2c_devices
));
236 at91_set_gpio_input(AT91_PIN_PB22
, 1); /* IOIS16 */
237 at91_add_device_cf(&csb337_cf_data
);
239 at91_add_device_spi(csb337_spi_devices
, ARRAY_SIZE(csb337_spi_devices
));
241 at91_add_device_mci(0, &csb337_mci0_data
);
243 platform_device_register(&csb_flash
);
245 at91_gpio_leds(csb_leds
, ARRAY_SIZE(csb_leds
));
246 /* Switches on CSB300 */
247 csb300_add_device_buttons();
250 MACHINE_START(CSB337
, "Cogent CSB337")
251 /* Maintainer: Bill Gatliff */
252 .timer
= &at91rm9200_timer
,
253 .map_io
= at91_map_io
,
254 .handle_irq
= at91_aic_handle_irq
,
255 .init_early
= csb337_init_early
,
256 .init_irq
= at91_init_irq_default
,
257 .init_machine
= csb337_board_init
,