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/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>
 31
 32#include <asm/setup.h>
 33#include <asm/mach-types.h>
 34#include <asm/irq.h>
 35
 36#include <asm/mach/arch.h>
 37#include <asm/mach/map.h>
 38#include <asm/mach/irq.h>
 39
 40#include <mach/hardware.h>
 41#include <mach/board.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
 52static struct macb_platform_data __initdata csb337_eth_data = {
 53	.phy_irq_pin	= AT91_PIN_PC2,
 54	.is_rmii	= 0,
 55};
 56
 57static struct at91_usbh_data __initdata csb337_usbh_data = {
 58	.ports		= 2,
 59	.vbus_pin	= {-EINVAL, -EINVAL},
 60	.overcurrent_pin= {-EINVAL, -EINVAL},
 61};
 62
 63static struct at91_udc_data __initdata csb337_udc_data = {
 64	.pullup_pin	= AT91_PIN_PA24,
 65	.vbus_pin	= -EINVAL,
 66};
 67
 68static struct i2c_board_info __initdata csb337_i2c_devices[] = {
 69	{
 70		I2C_BOARD_INFO("ds1307", 0x68),
 71	},
 72};
 73
 74static struct at91_cf_data __initdata csb337_cf_data = {
 75	/*
 76	 * connector P4 on the CSB 337 mates to
 77	 * connector P8 on the CSB 300CF
 78	 */
 79
 80	/* CSB337 specific */
 81	.det_pin	= AT91_PIN_PC3,
 82
 83	/* CSB300CF specific */
 84	.irq_pin	= AT91_PIN_PA19,
 85	.vcc_pin	= AT91_PIN_PD0,
 86	.rst_pin	= AT91_PIN_PD2,
 87};
 88
 89static struct at91_mmc_data __initdata csb337_mmc_data = {
 90	.det_pin	= AT91_PIN_PD5,
 91	.slot_b		= 0,
 92	.wire4		= 1,
 93	.wp_pin		= AT91_PIN_PD6,
 94	.vcc_pin	= -EINVAL,
 95};
 96
 97static struct spi_board_info csb337_spi_devices[] = {
 98	{	/* CAN controller */
 99		.modalias	= "sak82c900",
100		.chip_select	= 0,
101		.max_speed_hz	= 6 * 1000 * 1000,
102	},
103};
104
105#define CSB_FLASH_BASE	AT91_CHIPSELECT_0
106#define CSB_FLASH_SIZE	SZ_8M
107
108static struct mtd_partition csb_flash_partitions[] = {
109	{
110		.name		= "uMON flash",
111		.offset		= 0,
112		.size		= MTDPART_SIZ_FULL,
113		.mask_flags	= MTD_WRITEABLE,	/* read only */
114	}
115};
116
117static struct physmap_flash_data csb_flash_data = {
118	.width		= 2,
119	.parts		= csb_flash_partitions,
120	.nr_parts	= ARRAY_SIZE(csb_flash_partitions),
121};
122
123static struct resource csb_flash_resources[] = {
124	{
125		.start	= CSB_FLASH_BASE,
126		.end	= CSB_FLASH_BASE + CSB_FLASH_SIZE - 1,
127		.flags	= IORESOURCE_MEM,
128	}
129};
130
131static struct platform_device csb_flash = {
132	.name		= "physmap-flash",
133	.id		= 0,
134	.dev		= {
135				.platform_data = &csb_flash_data,
136			},
137	.resource	= csb_flash_resources,
138	.num_resources	= ARRAY_SIZE(csb_flash_resources),
139};
140
141/*
142 * GPIO Buttons (on CSB300)
143 */
144#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
145static struct gpio_keys_button csb300_buttons[] = {
146	{
147		.gpio		= AT91_PIN_PB29,
148		.code		= BTN_0,
149		.desc		= "sw0",
150		.active_low	= 1,
151		.wakeup		= 1,
152	},
153	{
154		.gpio		= AT91_PIN_PB28,
155		.code		= BTN_1,
156		.desc		= "sw1",
157		.active_low	= 1,
158		.wakeup		= 1,
159	},
160	{
161		.gpio		= AT91_PIN_PA21,
162		.code		= BTN_2,
163		.desc		= "sw2",
164		.active_low	= 1,
165		.wakeup		= 1,
166	}
167};
168
169static struct gpio_keys_platform_data csb300_button_data = {
170	.buttons	= csb300_buttons,
171	.nbuttons	= ARRAY_SIZE(csb300_buttons),
172};
173
174static struct platform_device csb300_button_device = {
175	.name		= "gpio-keys",
176	.id		= -1,
177	.num_resources	= 0,
178	.dev		= {
179		.platform_data	= &csb300_button_data,
180	}
181};
182
183static void __init csb300_add_device_buttons(void)
184{
185	at91_set_gpio_input(AT91_PIN_PB29, 1);	/* sw0 */
186	at91_set_deglitch(AT91_PIN_PB29, 1);
187	at91_set_gpio_input(AT91_PIN_PB28, 1);	/* sw1 */
188	at91_set_deglitch(AT91_PIN_PB28, 1);
189	at91_set_gpio_input(AT91_PIN_PA21, 1);	/* sw2 */
190	at91_set_deglitch(AT91_PIN_PA21, 1);
191
192	platform_device_register(&csb300_button_device);
193}
194#else
195static void __init csb300_add_device_buttons(void) {}
196#endif
197
198static struct gpio_led csb_leds[] = {
199	{	/* "led0", yellow */
200		.name			= "led0",
201		.gpio			= AT91_PIN_PB2,
202		.active_low		= 1,
203		.default_trigger	= "heartbeat",
204	},
205	{	/* "led1", green */
206		.name			= "led1",
207		.gpio			= AT91_PIN_PB1,
208		.active_low		= 1,
209		.default_trigger	= "mmc0",
210	},
211	{	/* "led2", yellow */
212		.name			= "led2",
213		.gpio			= AT91_PIN_PB0,
214		.active_low		= 1,
215		.default_trigger	= "ide-disk",
216	}
217};
218
219
220static void __init csb337_board_init(void)
221{
222	/* Setup the LEDs */
223	at91_init_leds(AT91_PIN_PB0, AT91_PIN_PB1);
224	/* Serial */
225	/* DBGU on ttyS0 */
226	at91_register_uart(0, 0, 0);
227	at91_add_device_serial();
228	/* Ethernet */
229	at91_add_device_eth(&csb337_eth_data);
230	/* USB Host */
231	at91_add_device_usbh(&csb337_usbh_data);
232	/* USB Device */
233	at91_add_device_udc(&csb337_udc_data);
234	/* I2C */
235	at91_add_device_i2c(csb337_i2c_devices, ARRAY_SIZE(csb337_i2c_devices));
236	/* Compact Flash */
237	at91_set_gpio_input(AT91_PIN_PB22, 1);		/* IOIS16 */
238	at91_add_device_cf(&csb337_cf_data);
239	/* SPI */
240	at91_add_device_spi(csb337_spi_devices, ARRAY_SIZE(csb337_spi_devices));
241	/* MMC */
242	at91_add_device_mmc(0, &csb337_mmc_data);
243	/* NOR flash */
244	platform_device_register(&csb_flash);
245	/* LEDs */
246	at91_gpio_leds(csb_leds, ARRAY_SIZE(csb_leds));
247	/* Switches on CSB300 */
248	csb300_add_device_buttons();
249}
250
251MACHINE_START(CSB337, "Cogent CSB337")
252	/* Maintainer: Bill Gatliff */
253	.timer		= &at91rm9200_timer,
254	.map_io		= at91_map_io,
255	.init_early	= csb337_init_early,
256	.init_irq	= at91_init_irq_default,
257	.init_machine	= csb337_board_init,
258MACHINE_END