1/*
  2 * linux/arch/arm/mach-at91/board-rm9200ek.c
  3 *
  4 *  Copyright (C) 2005 SAN People
  5 *
  6 *  Epson S1D framebuffer glue code is:
  7 *     Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
  8 *
  9 * This program is free software; you can redistribute it and/or modify
 10 * it under the terms of the GNU General Public License as published by
 11 * the Free Software Foundation; either version 2 of the License, or
 12 * (at your option) any later version.
 13 *
 14 * This program is distributed in the hope that it will be useful,
 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 17 * GNU General Public License for more details.
 18 *
 19 * You should have received a copy of the GNU General Public License
 20 * along with this program; if not, write to the Free Software
 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 22 */
 23
 24#include <linux/types.h>
 25#include <linux/gpio.h>
 26#include <linux/init.h>
 27#include <linux/mm.h>
 28#include <linux/module.h>
 29#include <linux/platform_device.h>
 30#include <linux/spi/spi.h>
 31#include <linux/mtd/physmap.h>
 32
 33#include <asm/setup.h>
 34#include <asm/mach-types.h>
 35#include <asm/irq.h>
 36
 37#include <asm/mach/arch.h>
 38#include <asm/mach/map.h>
 39#include <asm/mach/irq.h>
 40
 41#include <mach/hardware.h>
 42#include <mach/board.h>
 43#include <mach/at91rm9200_mc.h>
 44#include <mach/at91_ramc.h>
 45
 46#include "generic.h"
 47
 48
 49static void __init ek_init_early(void)
 50{
 51	/* Initialize processor: 18.432 MHz crystal */
 52	at91_initialize(18432000);
 53}
 54
 55static struct macb_platform_data __initdata ek_eth_data = {
 56	.phy_irq_pin	= AT91_PIN_PC4,
 57	.is_rmii	= 1,
 58};
 59
 60static struct at91_usbh_data __initdata ek_usbh_data = {
 61	.ports		= 2,
 62	.vbus_pin	= {-EINVAL, -EINVAL},
 63	.overcurrent_pin= {-EINVAL, -EINVAL},
 64};
 65
 66static struct at91_udc_data __initdata ek_udc_data = {
 67	.vbus_pin	= AT91_PIN_PD4,
 68	.pullup_pin	= AT91_PIN_PD5,
 69};
 70
 71#ifndef CONFIG_MTD_AT91_DATAFLASH_CARD
 72static struct at91_mmc_data __initdata ek_mmc_data = {
 73	.det_pin	= AT91_PIN_PB27,
 74	.slot_b		= 0,
 75	.wire4		= 1,
 76	.wp_pin		= AT91_PIN_PA17,
 77	.vcc_pin	= -EINVAL,
 78};
 79#endif
 80
 81static struct spi_board_info ek_spi_devices[] = {
 82	{	/* DataFlash chip */
 83		.modalias	= "mtd_dataflash",
 84		.chip_select	= 0,
 85		.max_speed_hz	= 15 * 1000 * 1000,
 86	},
 87#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 88	{	/* DataFlash card */
 89		.modalias	= "mtd_dataflash",
 90		.chip_select	= 3,
 91		.max_speed_hz	= 15 * 1000 * 1000,
 92	},
 93#endif
 94};
 95
 96static struct i2c_board_info __initdata ek_i2c_devices[] = {
 97	{
 98		I2C_BOARD_INFO("ics1523", 0x26),
 99	},
100	{
101		I2C_BOARD_INFO("dac3550", 0x4d),
102	}
103};
104
105#define EK_FLASH_BASE	AT91_CHIPSELECT_0
106#define EK_FLASH_SIZE	SZ_8M
107
108static struct physmap_flash_data ek_flash_data = {
109	.width		= 2,
110};
111
112static struct resource ek_flash_resource = {
113	.start		= EK_FLASH_BASE,
114	.end		= EK_FLASH_BASE + EK_FLASH_SIZE - 1,
115	.flags		= IORESOURCE_MEM,
116};
117
118static struct platform_device ek_flash = {
119	.name		= "physmap-flash",
120	.id		= 0,
121	.dev		= {
122				.platform_data	= &ek_flash_data,
123			},
124	.resource	= &ek_flash_resource,
125	.num_resources	= 1,
126};
127
128static struct gpio_led ek_leds[] = {
129	{	/* "user led 1", DS2 */
130		.name			= "green",
131		.gpio			= AT91_PIN_PB0,
132		.active_low		= 1,
133		.default_trigger	= "mmc0",
134	},
135	{	/* "user led 2", DS4 */
136		.name			= "yellow",
137		.gpio			= AT91_PIN_PB1,
138		.active_low		= 1,
139		.default_trigger	= "heartbeat",
140	},
141	{	/* "user led 3", DS6 */
142		.name			= "red",
143		.gpio			= AT91_PIN_PB2,
144		.active_low		= 1,
145	}
146};
147
148static void __init ek_board_init(void)
149{
150	/* Setup the LEDs */
151	at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2);
152
153	/* Serial */
154	/* DBGU on ttyS0. (Rx & Tx only) */
155	at91_register_uart(0, 0, 0);
156
157	/* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
158	at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
159			   | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
160			   | ATMEL_UART_RI);
161	at91_add_device_serial();
162	/* Ethernet */
163	at91_add_device_eth(&ek_eth_data);
164	/* USB Host */
165	at91_add_device_usbh(&ek_usbh_data);
166	/* USB Device */
167	at91_add_device_udc(&ek_udc_data);
168	at91_set_multi_drive(ek_udc_data.pullup_pin, 1);	/* pullup_pin is connected to reset */
169	/* I2C */
170	at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
171	/* SPI */
172	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
173#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
174	/* DataFlash card */
175	at91_set_gpio_output(AT91_PIN_PB22, 0);
176#else
177	/* MMC */
178	at91_set_gpio_output(AT91_PIN_PB22, 1);	/* this MMC card slot can optionally use SPI signaling (CS3). */
179	at91_add_device_mmc(0, &ek_mmc_data);
180#endif
181	/* NOR Flash */
182	platform_device_register(&ek_flash);
183	/* LEDs */
184	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
185	/* VGA */
186//	ek_add_device_video();
187}
188
189MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK")
190	/* Maintainer: SAN People/Atmel */
191	.timer		= &at91rm9200_timer,
192	.map_io		= at91_map_io,
193	.init_early	= ek_init_early,
194	.init_irq	= at91_init_irq_default,
195	.init_machine	= ek_board_init,
196MACHINE_END