diff options
Diffstat (limited to 'arch/arm/mach-at91/board-rsi-ews.c')
| -rw-r--r-- | arch/arm/mach-at91/board-rsi-ews.c | 233 |
1 files changed, 233 insertions, 0 deletions
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..e927df0 --- /dev/null +++ b/arch/arm/mach-at91/board-rsi-ews.c @@ -0,0 +1,233 @@ +/* + * 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 |