[PATCH] at91: add support for RSIs EWS board
Nicolas Ferre
nicolas.ferre at atmel.com
Wed Aug 24 06:17:24 EDT 2011
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-König and
> cleanups as suggested by Russell and R.Schwebel.
>
> Signed-off-by: Josef Holzmayr <holzmayr at 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 at 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
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