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/arch/arm/mach-at91/board-picotux200.c

https://bitbucket.org/sammyz/iscream_thunderc-2.6.35-rebase
C | 166 lines | 87 code | 21 blank | 58 comment | 0 complexity | 67347533568d22a3d8aeeeac526ea5a3 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
  1/*
  2 * linux/arch/arm/mach-at91/board-picotux200.c
  3 *
  4 *  Copyright (C) 2005 SAN People
  5 *  Copyright (C) 2007 Kleinhenz Elektronik GmbH
  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/mtd/physmap.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#include <mach/at91rm9200_mc.h>
 42
 43#include "generic.h"
 44
 45
 46/*
 47 * Serial port configuration.
 48 *    0 .. 3 = USART0 .. USART3
 49 *    4      = DBGU
 50 */
 51static struct at91_uart_config __initdata picotux200_uart_config = {
 52	.console_tty	= 0,				/* ttyS0 */
 53	.nr_tty		= 2,
 54	.tty_map	= { 4, 1, -1, -1, -1 }		/* ttyS0, ..., ttyS4 */
 55};
 56
 57static void __init picotux200_map_io(void)
 58{
 59	/* Initialize processor: 18.432 MHz crystal */
 60	at91rm9200_initialize(18432000, AT91RM9200_BGA);
 61
 62	/* Setup the serial ports and console */
 63	at91_init_serial(&picotux200_uart_config);
 64}
 65
 66static void __init picotux200_init_irq(void)
 67{
 68	at91rm9200_init_interrupts(NULL);
 69}
 70
 71static struct at91_eth_data __initdata picotux200_eth_data = {
 72	.phy_irq_pin	= AT91_PIN_PC4,
 73	.is_rmii	= 1,
 74};
 75
 76static struct at91_usbh_data __initdata picotux200_usbh_data = {
 77	.ports		= 1,
 78};
 79
 80// static struct at91_udc_data __initdata picotux200_udc_data = {
 81// 	.vbus_pin	= AT91_PIN_PD4,
 82// 	.pullup_pin	= AT91_PIN_PD5,
 83// };
 84
 85static struct at91_mmc_data __initdata picotux200_mmc_data = {
 86	.det_pin	= AT91_PIN_PB27,
 87	.slot_b		= 0,
 88	.wire4		= 1,
 89	.wp_pin		= AT91_PIN_PA17,
 90};
 91
 92// static struct spi_board_info picotux200_spi_devices[] = {
 93// 	{	/* DataFlash chip */
 94// 		.modalias	= "mtd_dataflash",
 95// 		.chip_select	= 0,
 96// 		.max_speed_hz	= 15 * 1000 * 1000,
 97// 	},
 98// #ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
 99// 	{	/* DataFlash card */
100// 		.modalias	= "mtd_dataflash",
101// 		.chip_select	= 3,
102// 		.max_speed_hz	= 15 * 1000 * 1000,
103// 	},
104// #endif
105// };
106
107#define PICOTUX200_FLASH_BASE	AT91_CHIPSELECT_0
108#define PICOTUX200_FLASH_SIZE	SZ_4M
109
110static struct physmap_flash_data picotux200_flash_data = {
111	.width	= 2,
112};
113
114static struct resource picotux200_flash_resource = {
115	.start		= PICOTUX200_FLASH_BASE,
116	.end		= PICOTUX200_FLASH_BASE + PICOTUX200_FLASH_SIZE - 1,
117	.flags		= IORESOURCE_MEM,
118};
119
120static struct platform_device picotux200_flash = {
121	.name		= "physmap-flash",
122	.id		= 0,
123	.dev		= {
124				.platform_data	= &picotux200_flash_data,
125			},
126	.resource	= &picotux200_flash_resource,
127	.num_resources	= 1,
128};
129
130static void __init picotux200_board_init(void)
131{
132	/* Serial */
133	at91_add_device_serial();
134	/* Ethernet */
135	at91_add_device_eth(&picotux200_eth_data);
136	/* USB Host */
137	at91_add_device_usbh(&picotux200_usbh_data);
138	/* USB Device */
139	// at91_add_device_udc(&picotux200_udc_data);
140	// at91_set_multi_drive(picotux200_udc_data.pullup_pin, 1);	/* pullup_pin is connected to reset */
141	/* I2C */
142	at91_add_device_i2c(NULL, 0);
143	/* SPI */
144	// at91_add_device_spi(picotux200_spi_devices, ARRAY_SIZE(picotux200_spi_devices));
145#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
146	/* DataFlash card */
147	at91_set_gpio_output(AT91_PIN_PB22, 0);
148#else
149	/* MMC */
150	at91_set_gpio_output(AT91_PIN_PB22, 1);	/* this MMC card slot can optionally use SPI signaling (CS3). */
151	at91_add_device_mmc(0, &picotux200_mmc_data);
152#endif
153	/* NOR Flash */
154	platform_device_register(&picotux200_flash);
155}
156
157MACHINE_START(PICOTUX2XX, "picotux 200")
158	/* Maintainer: Kleinhenz Elektronik GmbH */
159	.phys_io	= AT91_BASE_SYS,
160	.io_pg_offst	= (AT91_VA_BASE_SYS >> 18) & 0xfffc,
161	.boot_params	= AT91_SDRAM_BASE + 0x100,
162	.timer		= &at91rm9200_timer,
163	.map_io		= picotux200_map_io,
164	.init_irq	= picotux200_init_irq,
165	.init_machine	= picotux200_board_init,
166MACHINE_END