board-rsi-ews.c
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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 <linux/gpio.h>
#include "at91_aic.h"
#include "board.h"
#include "generic.h"
static void __init rsi_ews_init_early(void)
{
/* Initialize processor: 18.432 MHz crystal */
at91_initialize(18432000);
}
/*
* Ethernet
*/
static struct macb_platform_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,
.vbus_pin = {-EINVAL, -EINVAL},
.overcurrent_pin= {-EINVAL, -EINVAL},
};
/*
* SD/MC
*/
static struct mci_platform_data __initdata rsi_ews_mci0_data = {
.slot[0] = {
.bus_width = 4,
.detect_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 */
/* 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);
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_mci(0, &rsi_ews_mci0_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> */
.init_time = at91rm9200_timer_init,
.map_io = at91_map_io,
.handle_irq = at91_aic_handle_irq,
.init_early = rsi_ews_init_early,
.init_irq = at91_init_irq_default,
.init_machine = rsi_ews_board_init,
MACHINE_END