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Commit 82cb8654 authored by Josef Holzmayr's avatar Josef Holzmayr Committed by Nicolas Ferre
Browse files

at91: add support for RSIs EWS board 



This adds support for the RSI EWS machine (at91rm9200-based),
machine type 1609.

Includes fixes as suggested by Uwe Kleine-König and
cleanups as suggested by Russell and R.Schwebel.

Signed-off-by: default avatarJosef Holzmayr <holzmayr@rsi-elektrotechnik.de>
[nicolas.ferre@atmel.com: simplify board file header, move to at91_init_irq_default]
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
parent ddf28352

arch/arm/mach-at91/Kconfig

+5 −0
Original line number Diff line number Diff line
@@ -182,6 +182,11 @@ config MACH_ECO920 
	help

	  Select this if you are using the eco920 board



config MACH_RSI_EWS

	bool "RSI Embedded Webserver"

	depends on ARCH_AT91RM9200

	help

	  Select this if you are using RSIs EWS board.

endif



# ----------------------------------------------------------

arch/arm/mach-at91/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ obj-$(CONFIG_MACH_ECBAT91) += board-ecbat91.o 
obj-$(CONFIG_MACH_YL9200)	+= board-yl-9200.o

obj-$(CONFIG_MACH_CPUAT91)	+= board-cpuat91.o

obj-$(CONFIG_MACH_ECO920)	+= board-eco920.o

obj-$(CONFIG_MACH_RSI_EWS)	+= board-rsi-ews.o



# AT91SAM9260 board-specific support

obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o

arch/arm/mach-at91/board-rsi-ews.c

0 → 100644
+233 −0
Original line number Diff line number Diff line 
/*

 * board-rsi-ews.c

 *

 *  Copyright (C)

 *  2005 SAN People,

 *  2008-2011 R-S-I Elektrotechnik GmbH & Co. KG

 *

 * Licensed under GPLv2 or later.

 */



#include <linux/types.h>

#include <linux/init.h>

#include <linux/mm.h>

#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/spi/spi.h>

#include <linux/mtd/physmap.h>



#include <asm/setup.h>

#include <asm/mach-types.h>

#include <asm/irq.h>



#include <asm/mach/arch.h>

#include <asm/mach/map.h>

#include <asm/mach/irq.h>



#include <mach/hardware.h>

#include <mach/board.h>



#include <linux/gpio.h>



#include "generic.h"



static void __init rsi_ews_init_early(void)

{

	/* Initialize processor: 18.432 MHz crystal */

	at91_initialize(18432000);



	/* Setup the LEDs */

	at91_init_leds(AT91_PIN_PB6, AT91_PIN_PB9);



	/* DBGU on ttyS0. (Rx & Tx only) */

	/* This one is for debugging */

	at91_register_uart(0, 0, 0);



	/* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */

	/* Dialin/-out modem interface */

	at91_register_uart(AT91RM9200_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS

			   | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD

			   | ATMEL_UART_RI);



	/* USART3 on ttyS4. (Rx, Tx, RTS) */

	/* RS485 communication */

	at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_RTS);



	/* set serial console to ttyS0 (ie, DBGU) */

	at91_set_serial_console(0);

}



/*

 * Ethernet

 */

static struct at91_eth_data rsi_ews_eth_data __initdata = {

	.phy_irq_pin	= AT91_PIN_PC4,

	.is_rmii	= 1,

};



/*

 * USB Host

 */

static struct at91_usbh_data rsi_ews_usbh_data __initdata = {

	.ports		= 1,

};



/*

 * SD/MC

 */

static struct at91_mmc_data rsi_ews_mmc_data __initdata = {

	.slot_b		= 0,

	.wire4		= 1,

	.det_pin	= AT91_PIN_PB27,

	.wp_pin		= AT91_PIN_PB29,

};



/*

 * I2C

 */

static struct i2c_board_info rsi_ews_i2c_devices[] __initdata = {

	{

		I2C_BOARD_INFO("ds1337", 0x68),

	},

	{

		I2C_BOARD_INFO("24c01", 0x50),

	}

};



/*

 * LEDs

 */

static struct gpio_led rsi_ews_leds[] = {

	{

		.name			= "led0",

		.gpio			= AT91_PIN_PB6,

		.active_low		= 0,

	},

	{

		.name			= "led1",

		.gpio			= AT91_PIN_PB7,

		.active_low		= 0,

	},

	{

		.name			= "led2",

		.gpio			= AT91_PIN_PB8,

		.active_low		= 0,

	},

	{

		.name			= "led3",

		.gpio			= AT91_PIN_PB9,

		.active_low		= 0,

	},

};



/*

 * DataFlash

 */

static struct spi_board_info rsi_ews_spi_devices[] = {

	{	/* DataFlash chip 1*/

		.modalias	= "mtd_dataflash",

		.chip_select	= 0,

		.max_speed_hz	= 5 * 1000 * 1000,

	},

	{	/* DataFlash chip 2*/

		.modalias	= "mtd_dataflash",

		.chip_select	= 1,

		.max_speed_hz	= 5 * 1000 * 1000,

	},

};



/*

 * NOR flash

 */

static struct mtd_partition rsiews_nor_partitions[] = {

	{

		.name		= "boot",

		.offset		= 0,

		.size		= 3 * SZ_128K,

		.mask_flags	= MTD_WRITEABLE

	},

	{

		.name		= "kernel",

		.offset		= MTDPART_OFS_NXTBLK,

		.size		= SZ_2M - (3 * SZ_128K)

	},

	{

		.name		= "root",

		.offset		= MTDPART_OFS_NXTBLK,

		.size		= SZ_8M

	},

	{

		.name		= "kernelupd",

		.offset		= MTDPART_OFS_NXTBLK,

		.size		= 3 * SZ_512K,

		.mask_flags	= MTD_WRITEABLE

	},

	{

		.name		= "rootupd",

		.offset		= MTDPART_OFS_NXTBLK,

		.size		= 9 * SZ_512K,

		.mask_flags	= MTD_WRITEABLE

	},

};



static struct physmap_flash_data rsiews_nor_data = {

	.width		= 2,

	.parts		= rsiews_nor_partitions,

	.nr_parts	= ARRAY_SIZE(rsiews_nor_partitions),

};



#define NOR_BASE	AT91_CHIPSELECT_0

#define NOR_SIZE	SZ_16M



static struct resource nor_flash_resources[] = {

	{

		.start	= NOR_BASE,

		.end	= NOR_BASE + NOR_SIZE - 1,

		.flags	= IORESOURCE_MEM,

	}

};



static struct platform_device rsiews_nor_flash = {

	.name		= "physmap-flash",

	.id		= 0,

	.dev		= {

				.platform_data	= &rsiews_nor_data,

	},

	.resource	= nor_flash_resources,

	.num_resources	= ARRAY_SIZE(nor_flash_resources),

};



/*

 * Init Func

 */

static void __init rsi_ews_board_init(void)

{

	/* Serial */

	at91_add_device_serial();

	at91_set_gpio_output(AT91_PIN_PA21, 0);

	/* Ethernet */

	at91_add_device_eth(&rsi_ews_eth_data);

	/* USB Host */

	at91_add_device_usbh(&rsi_ews_usbh_data);

	/* I2C */

	at91_add_device_i2c(rsi_ews_i2c_devices,

			ARRAY_SIZE(rsi_ews_i2c_devices));

	/* SPI */

	at91_add_device_spi(rsi_ews_spi_devices,

			ARRAY_SIZE(rsi_ews_spi_devices));

	/* MMC */

	at91_add_device_mmc(0, &rsi_ews_mmc_data);

	/* NOR Flash */

	platform_device_register(&rsiews_nor_flash);

	/* LEDs */

	at91_gpio_leds(rsi_ews_leds, ARRAY_SIZE(rsi_ews_leds));

}



MACHINE_START(RSI_EWS, "RSI EWS")

	/* Maintainer: Josef Holzmayr <holzmayr@rsi-elektrotechnik.de> */

	.timer		= &at91rm9200_timer,

	.map_io		= at91_map_io,

	.init_early	= rsi_ews_init_early,

	.init_irq	= at91_init_irq_default,

	.init_machine	= rsi_ews_board_init,

MACHINE_END