at91: add support for RSIs EWS board (82cb8654) · Commits · 戴 / test

arch/arm/mach-at91/Kconfig

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		@@ -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

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		@@ -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

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		/*
		* 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

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