[PATCH] at91: add support for RSIs EWS board

[nicolas.ferre@atmel.com (Nicolas Ferre)]

Le 02/08/2011 13:36, Josef Holzmayr :
> This adds support for the RSI EWS machine (at91rm9200-based), machine type 1609.
> 
> Includes fixes as suggested by Uwe Kleine-K?nig and
> cleanups as suggested by Russell and R.Schwebel.
> 
> Signed-off-by: Josef Holzmayr <holzmayr@rsi-elektrotechnik.de>

Hi,

I simplified the board file header, moved to at91_init_irq_default.

This board is now in at91-l2 branch of
https://github.com/at91linux/linux-2.6-at91

I will send to -next when more patches will aggregate in this at91-l2
branch...

Best regards,

> ---
>  arch/arm/mach-at91/Kconfig         |    5 +
>  arch/arm/mach-at91/Makefile        |    1 +
>  arch/arm/mach-at91/board-rsi-ews.c |  251 ++++++++++++++++++++++++++++++++++++
>  3 files changed, 257 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/mach-at91/board-rsi-ews.c
> 
> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
> index 2248467..1555c55 100644
> --- a/arch/arm/mach-at91/Kconfig
> +++ b/arch/arm/mach-at91/Kconfig
> @@ -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
>  
>  # ----------------------------------------------------------
> diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
> index bf57e8b..ecd6479 100644
> --- a/arch/arm/mach-at91/Makefile
> +++ b/arch/arm/mach-at91/Makefile
> @@ -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
> diff --git a/arch/arm/mach-at91/board-rsi-ews.c b/arch/arm/mach-at91/board-rsi-ews.c
> new file mode 100644
> index 0000000..96e8709
> --- /dev/null
> +++ b/arch/arm/mach-at91/board-rsi-ews.c
> @@ -0,0 +1,251 @@
> +/*
> + * linux/arch/arm/mach-at91/board-rsi_ews.c
> + *
> + *  Copyright (C)
> + *  2005 SAN People,
> + *  2008-2011 R-S-I Elektrotechnik GmbH & Co. KG
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the
> + * Free Software Foundation, Inc.,
> + * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
> + */
> +
> +#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);
> +}
> +
> +static void __init rsi_ews_init_irq(void)
> +{
> +	at91_init_interrupts(NULL);
> +}
> +
> +/*
> + * 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	= rsi_ews_init_irq,
> +	.init_machine	= rsi_ews_board_init,
> +MACHINE_END


-- 
Nicolas Ferre