diff options
Diffstat (limited to 'arch/arm/mach-at91/board-rm9200ek.c')
| -rw-r--r-- | arch/arm/mach-at91/board-rm9200ek.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-rm9200ek.c b/arch/arm/mach-at91/board-rm9200ek.c new file mode 100644 index 0000000..9df1be8 --- /dev/null +++ b/arch/arm/mach-at91/board-rm9200ek.c @@ -0,0 +1,201 @@ +/* + * linux/arch/arm/mach-at91/board-rm9200ek.c + * + * Copyright (C) 2005 SAN People + * + * Epson S1D framebuffer glue code is: + * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org> + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 <mach/gpio.h> +#include <mach/at91rm9200_mc.h> + +#include "generic.h" + + +static void __init ek_map_io(void) +{ + /* Initialize processor: 18.432 MHz crystal */ + at91rm9200_initialize(18432000, AT91RM9200_BGA); + + /* Setup the LEDs */ + at91_init_leds(AT91_PIN_PB1, AT91_PIN_PB2); + + /* DBGU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ + at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS + | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD + | ATMEL_UART_RI); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init ek_init_irq(void) +{ + at91rm9200_init_interrupts(NULL); +} + +static struct at91_eth_data __initdata ek_eth_data = { + .phy_irq_pin = AT91_PIN_PC4, + .is_rmii = 1, +}; + +static struct at91_usbh_data __initdata ek_usbh_data = { + .ports = 2, +}; + +static struct at91_udc_data __initdata ek_udc_data = { + .vbus_pin = AT91_PIN_PD4, + .pullup_pin = AT91_PIN_PD5, +}; + +#ifndef CONFIG_MTD_AT91_DATAFLASH_CARD +static struct at91_mmc_data __initdata ek_mmc_data = { + .det_pin = AT91_PIN_PB27, + .slot_b = 0, + .wire4 = 1, + .wp_pin = AT91_PIN_PA17, +}; +#endif + +static struct spi_board_info ek_spi_devices[] = { + { /* DataFlash chip */ + .modalias = "mtd_dataflash", + .chip_select = 0, + .max_speed_hz = 15 * 1000 * 1000, + }, +#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD + { /* DataFlash card */ + .modalias = "mtd_dataflash", + .chip_select = 3, + .max_speed_hz = 15 * 1000 * 1000, + }, +#endif +}; + +static struct i2c_board_info __initdata ek_i2c_devices[] = { + { + I2C_BOARD_INFO("ics1523", 0x26), + }, + { + I2C_BOARD_INFO("dac3550", 0x4d), + } +}; + +#define EK_FLASH_BASE AT91_CHIPSELECT_0 +#define EK_FLASH_SIZE SZ_2M + +static struct physmap_flash_data ek_flash_data = { + .width = 2, +}; + +static struct resource ek_flash_resource = { + .start = EK_FLASH_BASE, + .end = EK_FLASH_BASE + EK_FLASH_SIZE - 1, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device ek_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &ek_flash_data, + }, + .resource = &ek_flash_resource, + .num_resources = 1, +}; + +static struct gpio_led ek_leds[] = { + { /* "user led 1", DS2 */ + .name = "green", + .gpio = AT91_PIN_PB0, + .active_low = 1, + .default_trigger = "mmc0", + }, + { /* "user led 2", DS4 */ + .name = "yellow", + .gpio = AT91_PIN_PB1, + .active_low = 1, + .default_trigger = "heartbeat", + }, + { /* "user led 3", DS6 */ + .name = "red", + .gpio = AT91_PIN_PB2, + .active_low = 1, + } +}; + +static void __init ek_board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + /* Ethernet */ + at91_add_device_eth(&ek_eth_data); + /* USB Host */ + at91_add_device_usbh(&ek_usbh_data); + /* USB Device */ + at91_add_device_udc(&ek_udc_data); + at91_set_multi_drive(ek_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */ + /* I2C */ + at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); + /* SPI */ + at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); +#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD + /* DataFlash card */ + at91_set_gpio_output(AT91_PIN_PB22, 0); +#else + /* MMC */ + at91_set_gpio_output(AT91_PIN_PB22, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */ + at91_add_device_mmc(0, &ek_mmc_data); +#endif + /* NOR Flash */ + platform_device_register(&ek_flash); + /* LEDs */ + at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); + /* VGA */ +// ek_add_device_video(); +} + +MACHINE_START(AT91RM9200EK, "Atmel AT91RM9200-EK") + /* Maintainer: SAN People/Atmel */ + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91rm9200_timer, + .map_io = ek_map_io, + .init_irq = ek_init_irq, + .init_machine = ek_board_init, +MACHINE_END |