Linux 3.11-rc3
[cris-mirror.git] / arch / arm / mach-at91 / board-csb337.c
blobe5fde215225b2d245dbe419cab59cf8cfdd8210b
1 /*
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>
24 #include <linux/mm.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>
34 #include <asm/irq.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.h>
40 #include <mach/hardware.h>
42 #include "at91_aic.h"
43 #include "board.h"
44 #include "generic.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,
55 .is_rmii = 0,
56 /* The CSB337 bootloader stores the MAC the wrong-way around */
57 .rev_eth_addr = 1,
60 static struct at91_usbh_data __initdata csb337_usbh_data = {
61 .ports = 2,
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,
68 .vbus_pin = -EINVAL,
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
83 /* CSB337 specific */
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 = {
93 .slot[0] = {
94 .bus_width = 4,
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",
103 .chip_select = 0,
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",
114 .offset = 0,
115 .size = MTDPART_SIZ_FULL,
116 .mask_flags = MTD_WRITEABLE, /* read only */
120 static struct physmap_flash_data csb_flash_data = {
121 .width = 2,
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",
136 .id = 0,
137 .dev = {
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,
151 .code = BTN_0,
152 .desc = "sw0",
153 .active_low = 1,
154 .wakeup = 1,
157 .gpio = AT91_PIN_PB28,
158 .code = BTN_1,
159 .desc = "sw1",
160 .active_low = 1,
161 .wakeup = 1,
164 .gpio = AT91_PIN_PA21,
165 .code = BTN_2,
166 .desc = "sw2",
167 .active_low = 1,
168 .wakeup = 1,
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 = {
178 .name = "gpio-keys",
179 .id = -1,
180 .num_resources = 0,
181 .dev = {
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);
197 #else
198 static void __init csb300_add_device_buttons(void) {}
199 #endif
201 static struct gpio_led csb_leds[] = {
202 { /* "led0", yellow */
203 .name = "led0",
204 .gpio = AT91_PIN_PB2,
205 .active_low = 1,
206 .default_trigger = "heartbeat",
208 { /* "led1", green */
209 .name = "led1",
210 .gpio = AT91_PIN_PB1,
211 .active_low = 1,
212 .default_trigger = "mmc0",
214 { /* "led2", yellow */
215 .name = "led2",
216 .gpio = AT91_PIN_PB0,
217 .active_low = 1,
218 .default_trigger = "ide-disk",
223 static void __init csb337_board_init(void)
225 /* Serial */
226 /* DBGU on ttyS0 */
227 at91_register_uart(0, 0, 0);
228 at91_add_device_serial();
229 /* Ethernet */
230 at91_add_device_eth(&csb337_eth_data);
231 /* USB Host */
232 at91_add_device_usbh(&csb337_usbh_data);
233 /* USB Device */
234 at91_add_device_udc(&csb337_udc_data);
235 /* I2C */
236 at91_add_device_i2c(csb337_i2c_devices, ARRAY_SIZE(csb337_i2c_devices));
237 /* Compact Flash */
238 at91_set_gpio_input(AT91_PIN_PB22, 1); /* IOIS16 */
239 at91_add_device_cf(&csb337_cf_data);
240 /* SPI */
241 at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
242 /* MMC */
243 at91_add_device_mci(0, &csb337_mci0_data);
244 /* NOR flash */
245 platform_device_register(&csb_flash);
246 /* LEDs */
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,
260 MACHINE_END