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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: Josef Holzmayr <holzmayr@rsi-elektrotechnik.de> [nicolas.ferre@atmel.com: simplify board file header, move to at91_init_irq_default] Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
This commit is contained in:
Josef Holzmayr
Nicolas Ferre
parent
ddf28352b8
commit
82cb865482
@ -182,6 +182,11 @@ config MACH_ECO920
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help
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Select this if you are using the eco920 board
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config MACH_RSI_EWS
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bool "RSI Embedded Webserver"
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depends on ARCH_AT91RM9200
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help
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Select this if you are using RSIs EWS board.
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endif
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# ----------------------------------------------------------
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@ -36,6 +36,7 @@ obj-$(CONFIG_MACH_ECBAT91) += board-ecbat91.o
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obj-$(CONFIG_MACH_YL9200) += board-yl-9200.o
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obj-$(CONFIG_MACH_CPUAT91) += board-cpuat91.o
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obj-$(CONFIG_MACH_ECO920) += board-eco920.o
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obj-$(CONFIG_MACH_RSI_EWS) += board-rsi-ews.o
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# AT91SAM9260 board-specific support
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obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o
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233
arch/arm/mach-at91/board-rsi-ews.c
Normal file
233
arch/arm/mach-at91/board-rsi-ews.c
Normal file
@ -0,0 +1,233 @@
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/*
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* board-rsi-ews.c
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*
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* Copyright (C)
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* 2005 SAN People,
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* 2008-2011 R-S-I Elektrotechnik GmbH & Co. KG
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*
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* Licensed under GPLv2 or later.
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*/
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#include <linux/types.h>
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/spi/spi.h>
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#include <linux/mtd/physmap.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/irq.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <mach/hardware.h>
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#include <mach/board.h>
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#include <linux/gpio.h>
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#include "generic.h"
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static void __init rsi_ews_init_early(void)
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{
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/* Initialize processor: 18.432 MHz crystal */
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at91_initialize(18432000);
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/* Setup the LEDs */
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at91_init_leds(AT91_PIN_PB6, AT91_PIN_PB9);
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/* DBGU on ttyS0. (Rx & Tx only) */
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/* This one is for debugging */
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at91_register_uart(0, 0, 0);
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/* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
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/* Dialin/-out modem interface */
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at91_register_uart(AT91RM9200_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS
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| ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
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| ATMEL_UART_RI);
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/* USART3 on ttyS4. (Rx, Tx, RTS) */
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/* RS485 communication */
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at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_RTS);
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/* set serial console to ttyS0 (ie, DBGU) */
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at91_set_serial_console(0);
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}
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/*
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* Ethernet
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*/
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static struct at91_eth_data rsi_ews_eth_data __initdata = {
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.phy_irq_pin = AT91_PIN_PC4,
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.is_rmii = 1,
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};
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/*
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* USB Host
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*/
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static struct at91_usbh_data rsi_ews_usbh_data __initdata = {
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.ports = 1,
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};
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/*
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* SD/MC
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*/
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static struct at91_mmc_data rsi_ews_mmc_data __initdata = {
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.slot_b = 0,
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.wire4 = 1,
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.det_pin = AT91_PIN_PB27,
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.wp_pin = AT91_PIN_PB29,
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};
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/*
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* I2C
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*/
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static struct i2c_board_info rsi_ews_i2c_devices[] __initdata = {
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{
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I2C_BOARD_INFO("ds1337", 0x68),
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},
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{
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I2C_BOARD_INFO("24c01", 0x50),
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}
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};
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/*
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* LEDs
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*/
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static struct gpio_led rsi_ews_leds[] = {
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{
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.name = "led0",
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.gpio = AT91_PIN_PB6,
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.active_low = 0,
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},
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{
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.name = "led1",
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.gpio = AT91_PIN_PB7,
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.active_low = 0,
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},
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{
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.name = "led2",
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.gpio = AT91_PIN_PB8,
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.active_low = 0,
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},
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{
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.name = "led3",
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.gpio = AT91_PIN_PB9,
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.active_low = 0,
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},
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};
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/*
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* DataFlash
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*/
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static struct spi_board_info rsi_ews_spi_devices[] = {
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{ /* DataFlash chip 1*/
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.modalias = "mtd_dataflash",
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.chip_select = 0,
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.max_speed_hz = 5 * 1000 * 1000,
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},
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{ /* DataFlash chip 2*/
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.modalias = "mtd_dataflash",
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.chip_select = 1,
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.max_speed_hz = 5 * 1000 * 1000,
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},
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};
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/*
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* NOR flash
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*/
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static struct mtd_partition rsiews_nor_partitions[] = {
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{
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.name = "boot",
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.offset = 0,
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.size = 3 * SZ_128K,
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.mask_flags = MTD_WRITEABLE
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},
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{
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.name = "kernel",
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.offset = MTDPART_OFS_NXTBLK,
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.size = SZ_2M - (3 * SZ_128K)
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},
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{
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.name = "root",
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.offset = MTDPART_OFS_NXTBLK,
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.size = SZ_8M
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},
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{
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.name = "kernelupd",
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.offset = MTDPART_OFS_NXTBLK,
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.size = 3 * SZ_512K,
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.mask_flags = MTD_WRITEABLE
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},
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{
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.name = "rootupd",
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.offset = MTDPART_OFS_NXTBLK,
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.size = 9 * SZ_512K,
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.mask_flags = MTD_WRITEABLE
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},
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};
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static struct physmap_flash_data rsiews_nor_data = {
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.width = 2,
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.parts = rsiews_nor_partitions,
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.nr_parts = ARRAY_SIZE(rsiews_nor_partitions),
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};
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#define NOR_BASE AT91_CHIPSELECT_0
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#define NOR_SIZE SZ_16M
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static struct resource nor_flash_resources[] = {
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{
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.start = NOR_BASE,
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.end = NOR_BASE + NOR_SIZE - 1,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device rsiews_nor_flash = {
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.name = "physmap-flash",
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.id = 0,
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.dev = {
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.platform_data = &rsiews_nor_data,
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},
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.resource = nor_flash_resources,
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.num_resources = ARRAY_SIZE(nor_flash_resources),
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};
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/*
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* Init Func
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*/
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static void __init rsi_ews_board_init(void)
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{
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/* Serial */
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at91_add_device_serial();
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at91_set_gpio_output(AT91_PIN_PA21, 0);
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/* Ethernet */
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at91_add_device_eth(&rsi_ews_eth_data);
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/* USB Host */
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at91_add_device_usbh(&rsi_ews_usbh_data);
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/* I2C */
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at91_add_device_i2c(rsi_ews_i2c_devices,
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ARRAY_SIZE(rsi_ews_i2c_devices));
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/* SPI */
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at91_add_device_spi(rsi_ews_spi_devices,
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ARRAY_SIZE(rsi_ews_spi_devices));
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/* MMC */
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at91_add_device_mmc(0, &rsi_ews_mmc_data);
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/* NOR Flash */
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platform_device_register(&rsiews_nor_flash);
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/* LEDs */
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at91_gpio_leds(rsi_ews_leds, ARRAY_SIZE(rsi_ews_leds));
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}
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MACHINE_START(RSI_EWS, "RSI EWS")
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/* Maintainer: Josef Holzmayr <holzmayr@rsi-elektrotechnik.de> */
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.timer = &at91rm9200_timer,
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.map_io = at91_map_io,
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.init_early = rsi_ews_init_early,
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.init_irq = at91_init_irq_default,
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.init_machine = rsi_ews_board_init,
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MACHINE_END
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