diff options
Diffstat (limited to 'arch/arm/mach-at91/board-usb-a9263.c')
| -rw-r--r-- | arch/arm/mach-at91/board-usb-a9263.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-usb-a9263.c b/arch/arm/mach-at91/board-usb-a9263.c new file mode 100644 index 000000000000..95800d32bd49 --- /dev/null +++ b/arch/arm/mach-at91/board-usb-a9263.c @@ -0,0 +1,230 @@ +/* + * linux/arch/arm/mach-at91/board-usb-a9263.c + * + * Copyright (C) 2005 SAN People + * Copyright (C) 2007 Atmel Corporation. + * Copyright (C) 2007 Calao-systems + * + * 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/gpio_keys.h> +#include <linux/input.h> + +#include <asm/hardware.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 <asm/arch/board.h> +#include <asm/arch/gpio.h> +#include <asm/arch/at91_shdwc.h> + +#include "generic.h" + + +static void __init ek_map_io(void) +{ + /* Initialize processor: 12.00 MHz crystal */ + at91sam9263_initialize(12000000); + + /* DGBU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init ek_init_irq(void) +{ + at91sam9263_init_interrupts(NULL); +} + + +/* + * USB Host port + */ +static struct at91_usbh_data __initdata ek_usbh_data = { + .ports = 2, +}; + +/* + * USB Device port + */ +static struct at91_udc_data __initdata ek_udc_data = { + .vbus_pin = AT91_PIN_PB11, + .pullup_pin = 0, /* pull-up driven by UDC */ +}; + +/* + * SPI devices. + */ +static struct spi_board_info ek_spi_devices[] = { +#if !defined(CONFIG_MMC_AT91) + { /* DataFlash chip */ + .modalias = "mtd_dataflash", + .chip_select = 0, + .max_speed_hz = 15 * 1000 * 1000, + .bus_num = 0, + } +#endif +}; + +/* + * MACB Ethernet device + */ +static struct at91_eth_data __initdata ek_macb_data = { + .phy_irq_pin = AT91_PIN_PE31, + .is_rmii = 1, +}; + +/* + * NAND flash + */ +static struct mtd_partition __initdata ek_nand_partition[] = { + { + .name = "Linux Kernel", + .offset = 0x00000000, + .size = 16 * 1024 * 1024, + }, + { + .name = "Root FS", + .offset = 0x01000000, + .size = 120 * 1024 * 1024, + }, + { + .name = "FS", + .offset = 0x08800000, + .size = 120 * 1024 * 1024, + } +}; + +static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) +{ + *num_partitions = ARRAY_SIZE(ek_nand_partition); + return ek_nand_partition; +} + +static struct at91_nand_data __initdata ek_nand_data = { + .ale = 21, + .cle = 22, +// .det_pin = ... not connected + .rdy_pin = AT91_PIN_PA22, + .enable_pin = AT91_PIN_PD15, + .partition_info = nand_partitions, +#if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) + .bus_width_16 = 1, +#else + .bus_width_16 = 0, +#endif +}; + +/* + * GPIO Buttons + */ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button ek_buttons[] = { + { /* USER PUSH BUTTON */ + .code = KEY_ENTER, + .gpio = AT91_PIN_PB10, + .active_low = 1, + .desc = "user_pb", + .wakeup = 1, + } +}; + +static struct gpio_keys_platform_data ek_button_data = { + .buttons = ek_buttons, + .nbuttons = ARRAY_SIZE(ek_buttons), +}; + +static struct platform_device ek_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &ek_button_data, + } +}; + +static void __init ek_add_device_buttons(void) +{ + at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */ + at91_set_deglitch(AT91_PIN_PB10, 1); + + platform_device_register(&ek_button_device); +} +#else +static void __init ek_add_device_buttons(void) {} +#endif + +/* + * LEDs + */ +static struct gpio_led ek_leds[] = { + { /* user_led (green) */ + .name = "user_led", + .gpio = AT91_PIN_PB21, + .active_low = 1, + .default_trigger = "heartbeat", + } +}; + + +static void __init ek_board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + /* USB Host */ + at91_add_device_usbh(&ek_usbh_data); + /* USB Device */ + at91_add_device_udc(&ek_udc_data); + /* SPI */ + at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); + /* Ethernet */ + at91_add_device_eth(&ek_macb_data); + /* NAND */ + at91_add_device_nand(&ek_nand_data); + /* I2C */ + at91_add_device_i2c(NULL, 0); + /* Push Buttons */ + ek_add_device_buttons(); + /* LEDs */ + at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); + /* shutdown controller, wakeup button (5 msec low) */ + at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW + | AT91_SHDW_RTTWKEN); +} + +MACHINE_START(USB_A9263, "CALAO USB_A9263") + /* Maintainer: calao-systems */ + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91sam926x_timer, + .map_io = ek_map_io, + .init_irq = ek_init_irq, + .init_machine = ek_board_init, +MACHINE_END |