1/*
  2 * linux/arch/arm/mach-at91/board-csb337.c
  3 *
  4 *  Copyright (C) 2005 SAN People
  5 *
  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.
 10 *
 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.
 15 *
 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
 19 */
 20
 21#include <linux/types.h>
 22#include <linux/init.h>
 23#include <linux/mm.h>
 24#include <linux/module.h>
 25#include <linux/platform_device.h>
 26#include <linux/spi/spi.h>
 27#include <linux/mtd/physmap.h>
 28#include <linux/input.h>
 29#include <linux/gpio_keys.h>
 30
 31#include <asm/setup.h>
 32#include <asm/mach-types.h>
 33#include <asm/irq.h>
 34
 35#include <asm/mach/arch.h>
 36#include <asm/mach/map.h>
 37#include <asm/mach/irq.h>
 38
 39#include <mach/hardware.h>
 40#include <mach/board.h>
 41#include <mach/gpio.h>
 42
 43#include "generic.h"
 44
 45
 46static void __init csb337_init_early(void)
 47{
 48	/* Initialize processor: 3.6864 MHz crystal */
 49	at91_initialize(3686400);
 50
 51	/* Setup the LEDs */
 52	at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
 53
 54	/* DBGU on ttyS0 */
 55	at91_register_uart(0, 0, 0);
 56
 57	/* make console=ttyS0 the default */
 58	at91_set_serial_console(0);
 59}
 60
 61static struct at91_eth_data __initdata csb337_eth_data = {
 62	.phy_irq_pin	= AT91_PIN_PC2,
 63	.is_rmii	= 0,
 64};
 65
 66static struct at91_usbh_data __initdata csb337_usbh_data = {
 67	.ports		= 2,
 68};
 69
 70static struct at91_udc_data __initdata csb337_udc_data = {
 71	// this has no VBUS sensing pin
 72	.pullup_pin	= AT91_PIN_PA24,
 73};
 74
 75static struct i2c_board_info __initdata csb337_i2c_devices[] = {
 76	{
 77		I2C_BOARD_INFO("ds1307", 0x68),
 78	},
 79};
 80
 81static struct at91_cf_data __initdata csb337_cf_data = {
 82	/*
 83	 * connector P4 on the CSB 337 mates to
 84	 * connector P8 on the CSB 300CF
 85	 */
 86
 87	/* CSB337 specific */
 88	.det_pin	= AT91_PIN_PC3,
 89
 90	/* CSB300CF specific */
 91	.irq_pin	= AT91_PIN_PA19,
 92	.vcc_pin	= AT91_PIN_PD0,
 93	.rst_pin	= AT91_PIN_PD2,
 94};
 95
 96static struct at91_mmc_data __initdata csb337_mmc_data = {
 97	.det_pin	= AT91_PIN_PD5,
 98	.slot_b		= 0,
 99	.wire4		= 1,
100	.wp_pin		= AT91_PIN_PD6,
101};
102
103static struct spi_board_info csb337_spi_devices[] = {
104	{	/* CAN controller */
105		.modalias	= "sak82c900",
106		.chip_select	= 0,
107		.max_speed_hz	= 6 * 1000 * 1000,
108	},
109};
110
111#define CSB_FLASH_BASE	AT91_CHIPSELECT_0
112#define CSB_FLASH_SIZE	SZ_8M
113
114static struct mtd_partition csb_flash_partitions[] = {
115	{
116		.name		= "uMON flash",
117		.offset		= 0,
118		.size		= MTDPART_SIZ_FULL,
119		.mask_flags	= MTD_WRITEABLE,	/* read only */
120	}
121};
122
123static struct physmap_flash_data csb_flash_data = {
124	.width		= 2,
125	.parts		= csb_flash_partitions,
126	.nr_parts	= ARRAY_SIZE(csb_flash_partitions),
127};
128
129static struct resource csb_flash_resources[] = {
130	{
131		.start	= CSB_FLASH_BASE,
132		.end	= CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
133		.flags	= IORESOURCE_MEM,
134	}
135};
136
137static struct platform_device csb_flash = {
138	.name		= "physmap-flash",
139	.id		= 0,
140	.dev		= {
141				.platform_data = &csb_flash_data,
142			},
143	.resource	= csb_flash_resources,
144	.num_resources	= ARRAY_SIZE(csb_flash_resources),
145};
146
147/*
148 * GPIO Buttons (on CSB300)
149 */
150#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
151static struct gpio_keys_button csb300_buttons[] = {
152	{
153		.gpio		= AT91_PIN_PB29,
154		.code		= BTN_0,
155		.desc		= "sw0",
156		.active_low	= 1,
157		.wakeup		= 1,
158	},
159	{
160		.gpio		= AT91_PIN_PB28,
161		.code		= BTN_1,
162		.desc		= "sw1",
163		.active_low	= 1,
164		.wakeup		= 1,
165	},
166	{
167		.gpio		= AT91_PIN_PA21,
168		.code		= BTN_2,
169		.desc		= "sw2",
170		.active_low	= 1,
171		.wakeup		= 1,
172	}
173};
174
175static struct gpio_keys_platform_data csb300_button_data = {
176	.buttons	= csb300_buttons,
177	.nbuttons	= ARRAY_SIZE(csb300_buttons),
178};
179
180static struct platform_device csb300_button_device = {
181	.name		= "gpio-keys",
182	.id		= -1,
183	.num_resources	= 0,
184	.dev		= {
185		.platform_data	= &csb300_button_data,
186	}
187};
188
189static void __init csb300_add_device_buttons(void)
190{
191	at91_set_gpio_input(AT91_PIN_PB29, 1);	/* sw0 */
192	at91_set_deglitch(AT91_PIN_PB29, 1);
193	at91_set_gpio_input(AT91_PIN_PB28, 1);	/* sw1 */
194	at91_set_deglitch(AT91_PIN_PB28, 1);
195	at91_set_gpio_input(AT91_PIN_PA21, 1);	/* sw2 */
196	at91_set_deglitch(AT91_PIN_PA21, 1);
197
198	platform_device_register(&csb300_button_device);
199}
200#else
201static void __init csb300_add_device_buttons(void) {}
202#endif
203
204static struct gpio_led csb_leds[] = {
205	{	/* "led0", yellow */
206		.name			= "led0",
207		.gpio			= AT91_PIN_PB2,
208		.active_low		= 1,
209		.default_trigger	= "heartbeat",
210	},
211	{	/* "led1", green */
212		.name			= "led1",
213		.gpio			= AT91_PIN_PB1,
214		.active_low		= 1,
215		.default_trigger	= "mmc0",
216	},
217	{	/* "led2", yellow */
218		.name			= "led2",
219		.gpio			= AT91_PIN_PB0,
220		.active_low		= 1,
221		.default_trigger	= "ide-disk",
222	}
223};
224
225
226static void __init csb337_board_init(void)
227{
228	/* Serial */
229	at91_add_device_serial();
230	/* Ethernet */
231	at91_add_device_eth(&csb337_eth_data);
232	/* USB Host */
233	at91_add_device_usbh(&csb337_usbh_data);
234	/* USB Device */
235	at91_add_device_udc(&csb337_udc_data);
236	/* I2C */
237	at91_add_device_i2c(csb337_i2c_devices, ARRAY_SIZE(csb337_i2c_devices));
238	/* Compact Flash */
239	at91_set_gpio_input(AT91_PIN_PB22, 1);		/* IOIS16 */
240	at91_add_device_cf(&csb337_cf_data);
241	/* SPI */
242	at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
243	/* MMC */
244	at91_add_device_mmc(0, &csb337_mmc_data);
245	/* NOR flash */
246	platform_device_register(&csb_flash);
247	/* LEDs */
248	at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds));
249	/* Switches on CSB300 */
250	csb300_add_device_buttons();
251}
252
253MACHINE_START(CSB337, "Cogent CSB337")
254	/* Maintainer: Bill Gatliff */
255	.timer		= &at91rm9200_timer,
256	.map_io		= at91_map_io,
257	.init_early	= csb337_init_early,
258	.init_irq	= at91_init_irq_default,
259	.init_machine	= csb337_board_init,
260MACHINE_END