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>
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
,
56 /* The CSB337 bootloader stores the MAC the wrong-way around */
60 static struct at91_usbh_data __initdata csb337_usbh_data
= {
62 .vbus_pin
= {-EINVAL
, -EINVAL
},
63 .overcurrent_pin
= {-EINVAL
, -EINVAL
},
66 static struct at91_udc_data __initdata csb337_udc_data
= {
67 .pullup_pin
= AT91_PIN_PA24
,
71 static struct i2c_board_info __initdata csb337_i2c_devices
[] = {
73 I2C_BOARD_INFO("ds1307", 0x68),
77 static struct at91_cf_data __initdata csb337_cf_data
= {
79 * connector P4 on the CSB 337 mates to
80 * connector P8 on the CSB 300CF
84 .det_pin
= AT91_PIN_PC3
,
86 /* CSB300CF specific */
87 .irq_pin
= AT91_PIN_PA19
,
88 .vcc_pin
= AT91_PIN_PD0
,
89 .rst_pin
= AT91_PIN_PD2
,
92 static struct mci_platform_data __initdata csb337_mci0_data
= {
95 .detect_pin
= AT91_PIN_PD5
,
96 .wp_pin
= AT91_PIN_PD6
,
100 static struct spi_board_info csb337_spi_devices
[] = {
101 { /* CAN controller */
102 .modalias
= "sak82c900",
104 .max_speed_hz
= 6 * 1000 * 1000,
108 #define CSB_FLASH_BASE AT91_CHIPSELECT_0
109 #define CSB_FLASH_SIZE SZ_8M
111 static struct mtd_partition csb_flash_partitions
[] = {
113 .name
= "uMON flash",
115 .size
= MTDPART_SIZ_FULL
,
116 .mask_flags
= MTD_WRITEABLE
, /* read only */
120 static struct physmap_flash_data csb_flash_data
= {
122 .parts
= csb_flash_partitions
,
123 .nr_parts
= ARRAY_SIZE(csb_flash_partitions
),
126 static struct resource csb_flash_resources
[] = {
128 .start
= CSB_FLASH_BASE
,
129 .end
= CSB_FLASH_BASE
+ CSB_FLASH_SIZE
- 1,
130 .flags
= IORESOURCE_MEM
,
134 static struct platform_device csb_flash
= {
135 .name
= "physmap-flash",
138 .platform_data
= &csb_flash_data
,
140 .resource
= csb_flash_resources
,
141 .num_resources
= ARRAY_SIZE(csb_flash_resources
),
145 * GPIO Buttons (on CSB300)
147 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
148 static struct gpio_keys_button csb300_buttons
[] = {
150 .gpio
= AT91_PIN_PB29
,
157 .gpio
= AT91_PIN_PB28
,
164 .gpio
= AT91_PIN_PA21
,
172 static struct gpio_keys_platform_data csb300_button_data
= {
173 .buttons
= csb300_buttons
,
174 .nbuttons
= ARRAY_SIZE(csb300_buttons
),
177 static struct platform_device csb300_button_device
= {
182 .platform_data
= &csb300_button_data
,
186 static void __init
csb300_add_device_buttons(void)
188 at91_set_gpio_input(AT91_PIN_PB29
, 1); /* sw0 */
189 at91_set_deglitch(AT91_PIN_PB29
, 1);
190 at91_set_gpio_input(AT91_PIN_PB28
, 1); /* sw1 */
191 at91_set_deglitch(AT91_PIN_PB28
, 1);
192 at91_set_gpio_input(AT91_PIN_PA21
, 1); /* sw2 */
193 at91_set_deglitch(AT91_PIN_PA21
, 1);
195 platform_device_register(&csb300_button_device
);
198 static void __init
csb300_add_device_buttons(void) {}
201 static struct gpio_led csb_leds
[] = {
202 { /* "led0", yellow */
204 .gpio
= AT91_PIN_PB2
,
206 .default_trigger
= "heartbeat",
208 { /* "led1", green */
210 .gpio
= AT91_PIN_PB1
,
212 .default_trigger
= "mmc0",
214 { /* "led2", yellow */
216 .gpio
= AT91_PIN_PB0
,
218 .default_trigger
= "ide-disk",
223 static void __init
csb337_board_init(void)
227 at91_register_uart(0, 0, 0);
228 at91_add_device_serial();
230 at91_add_device_eth(&csb337_eth_data
);
232 at91_add_device_usbh(&csb337_usbh_data
);
234 at91_add_device_udc(&csb337_udc_data
);
236 at91_add_device_i2c(csb337_i2c_devices
, ARRAY_SIZE(csb337_i2c_devices
));
238 at91_set_gpio_input(AT91_PIN_PB22
, 1); /* IOIS16 */
239 at91_add_device_cf(&csb337_cf_data
);
241 at91_add_device_spi(csb337_spi_devices
, ARRAY_SIZE(csb337_spi_devices
));
243 at91_add_device_mci(0, &csb337_mci0_data
);
245 platform_device_register(&csb_flash
);
247 at91_gpio_leds(csb_leds
, ARRAY_SIZE(csb_leds
));
248 /* Switches on CSB300 */
249 csb300_add_device_buttons();
252 MACHINE_START(CSB337
, "Cogent CSB337")
253 /* Maintainer: Bill Gatliff */
254 .init_time
= at91rm9200_timer_init
,
255 .map_io
= at91_map_io
,
256 .handle_irq
= at91_aic_handle_irq
,
257 .init_early
= csb337_init_early
,
258 .init_irq
= at91_init_irq_default
,
259 .init_machine
= csb337_board_init
,