/arch/arm/mach-at91/board-ecbat91.c

  1/*
  2 * linux/arch/arm/mach-at91rm9200/board-ecbat91.c
  3 * Copyright (C) 2007 emQbit.com.
  4 *
  5 * We started from board-dk.c, which is Copyright (C) 2005 SAN People.
  6 *
  7 * This program is free software; you can redistribute it and/or modify
  8 * it under the terms of the GNU General Public License as published by
  9 * the Free Software Foundation; either version 2 of the License, or
 10 * (at your option) any later version.
 11 *
 12 * This program is distributed in the hope that it will be useful,
 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 15 * GNU General Public License for more details.
 16 *
 17 * You should have received a copy of the GNU General Public License
 18 * along with this program; if not, write to the Free Software
 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 20 */
 21
 22#include <linux/types.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/spi/flash.h>
 29
 30#include <mach/hardware.h>
 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/board.h>
 40#include <mach/gpio.h>
 41
 42#include "generic.h"
 43
 44
 45static void __init ecb_at91map_io(void)
 46{
 47	/* Initialize processor: 18.432 MHz crystal */
 48	at91rm9200_initialize(18432000, AT91RM9200_PQFP);
 49
 50	/* Setup the LEDs */
 51	at91_init_leds(AT91_PIN_PC7, AT91_PIN_PC7);
 52
 53	/* DBGU on ttyS0. (Rx & Tx only) */
 54	at91_register_uart(0, 0, 0);
 55
 56	/* USART0 on ttyS1. (Rx & Tx only) */
 57	at91_register_uart(AT91RM9200_ID_US0, 1, 0);
 58
 59	/* set serial console to ttyS0 (ie, DBGU) */
 60	at91_set_serial_console(0);
 61}
 62
 63static void __init ecb_at91init_irq(void)
 64{
 65	at91rm9200_init_interrupts(NULL);
 66}
 67
 68static struct at91_eth_data __initdata ecb_at91eth_data = {
 69	.phy_irq_pin	= AT91_PIN_PC4,
 70	.is_rmii	= 0,
 71};
 72
 73static struct at91_usbh_data __initdata ecb_at91usbh_data = {
 74	.ports		= 1,
 75};
 76
 77static struct at91_mmc_data __initdata ecb_at91mmc_data = {
 78	.slot_b		= 0,
 79	.wire4		= 1,
 80};
 81
 82
 83#if defined(CONFIG_MTD_DATAFLASH)
 84static struct mtd_partition __initdata my_flash0_partitions[] =
 85{
 86	{	/* 0x8400 */
 87		.name	= "Darrell-loader",
 88		.offset	= 0,
 89		.size	= 12 * 1056,
 90	},
 91	{
 92		.name	= "U-boot",
 93		.offset	= MTDPART_OFS_NXTBLK,
 94		.size	= 110 * 1056,
 95	},
 96	{	/* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
 97		.name	= "UBoot-env",
 98		.offset	= MTDPART_OFS_NXTBLK,
 99		.size	= 8 * 1056,
100	},
101	{	/* 1336 (167 blocks) pages * 1056 bytes = 0x158700 bytes */
102		.name	= "Kernel",
103		.offset	= MTDPART_OFS_NXTBLK,
104		.size	= 1534 * 1056,
105	},
106	{	/* 190200 - jffs2 root filesystem */
107		.name	= "Filesystem",
108		.offset	= MTDPART_OFS_NXTBLK,
109		.size	= MTDPART_SIZ_FULL,	/* 26 sectors */
110	}
111};
112
113static struct flash_platform_data __initdata my_flash0_platform = {
114	.name		= "Removable flash card",
115	.parts		= my_flash0_partitions,
116	.nr_parts	= ARRAY_SIZE(my_flash0_partitions)
117};
118
119#endif
120
121static struct spi_board_info __initdata ecb_at91spi_devices[] = {
122	{	/* DataFlash chip */
123		.modalias	= "mtd_dataflash",
124		.chip_select	= 0,
125		.max_speed_hz	= 10 * 1000 * 1000,
126		.bus_num	= 0,
127#if defined(CONFIG_MTD_DATAFLASH)
128		.platform_data	= &my_flash0_platform,
129#endif
130	},
131	{	/* User accessable spi - cs1 (250KHz) */
132		.modalias	= "spi-cs1",
133		.chip_select	= 1,
134		.max_speed_hz	= 250 * 1000,
135	},
136	{	/* User accessable spi - cs2 (1MHz) */
137		.modalias	= "spi-cs2",
138		.chip_select	= 2,
139		.max_speed_hz	= 1 * 1000 * 1000,
140	},
141	{	/* User accessable spi - cs3 (10MHz) */
142		.modalias	= "spi-cs3",
143		.chip_select	= 3,
144		.max_speed_hz	= 10 * 1000 * 1000,
145	},
146};
147
148static void __init ecb_at91board_init(void)
149{
150	/* Serial */
151	at91_add_device_serial();
152
153	/* Ethernet */
154	at91_add_device_eth(&ecb_at91eth_data);
155
156	/* USB Host */
157	at91_add_device_usbh(&ecb_at91usbh_data);
158
159	/* I2C */
160	at91_add_device_i2c(NULL, 0);
161
162	/* MMC */
163	at91_add_device_mmc(0, &ecb_at91mmc_data);
164
165	/* SPI */
166	at91_add_device_spi(ecb_at91spi_devices, ARRAY_SIZE(ecb_at91spi_devices));
167}
168
169MACHINE_START(ECBAT91, "emQbit's ECB_AT91")
170	/* Maintainer: emQbit.com */
171	.phys_io	= AT91_BASE_SYS,
172	.io_pg_offst	= (AT91_VA_BASE_SYS >> 18) & 0xfffc,
173	.boot_params	= AT91_SDRAM_BASE + 0x100,
174	.timer		= &at91rm9200_timer,
175	.map_io		= ecb_at91map_io,
176	.init_irq	= ecb_at91init_irq,
177	.init_machine	= ecb_at91board_init,
178MACHINE_END