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Diffstat (limited to 'include/asm-arm/arch-at91/board.h')
| -rw-r--r-- | include/asm-arm/arch-at91/board.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/include/asm-arm/arch-at91/board.h b/include/asm-arm/arch-at91/board.h new file mode 100644 index 000000000000..bf1afd0081b6 --- /dev/null +++ b/include/asm-arm/arch-at91/board.h @@ -0,0 +1,121 @@ +/* + * include/asm-arm/arch-at91/board.h + * + * Copyright (C) 2005 HP Labs + * + * 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 + */ + +/* + * These are data structures found in platform_device.dev.platform_data, + * and describing board-specific data needed by drivers. For example, + * which pin is used for a given GPIO role. + * + * In 2.6, drivers should strongly avoid board-specific knowledge so + * that supporting new boards normally won't require driver patches. + * Most board-specific knowledge should be in arch/.../board-*.c files. + */ + +#ifndef __ASM_ARCH_BOARD_H +#define __ASM_ARCH_BOARD_H + +#include <linux/mtd/partitions.h> +#include <linux/device.h> +#include <linux/spi/spi.h> + + /* USB Device */ +struct at91_udc_data { + u8 vbus_pin; /* high == host powering us */ + u8 pullup_pin; /* high == D+ pulled up */ +}; +extern void __init at91_add_device_udc(struct at91_udc_data *data); + + /* Compact Flash */ +struct at91_cf_data { + u8 irq_pin; /* I/O IRQ */ + u8 det_pin; /* Card detect */ + u8 vcc_pin; /* power switching */ + u8 rst_pin; /* card reset */ + u8 chipselect; /* EBI Chip Select number */ +}; +extern void __init at91_add_device_cf(struct at91_cf_data *data); + + /* MMC / SD */ +struct at91_mmc_data { + u8 det_pin; /* card detect IRQ */ + unsigned slot_b:1; /* uses Slot B */ + unsigned wire4:1; /* (SD) supports DAT0..DAT3 */ + u8 wp_pin; /* (SD) writeprotect detect */ + u8 vcc_pin; /* power switching (high == on) */ +}; +extern void __init at91_add_device_mmc(struct at91_mmc_data *data); + + /* Ethernet */ +struct at91_eth_data { + u8 phy_irq_pin; /* PHY IRQ */ + u8 is_rmii; /* using RMII interface? */ +}; +extern void __init at91_add_device_eth(struct at91_eth_data *data); + +#if defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9263) +#define eth_platform_data at91_eth_data +#endif + + /* USB Host */ +struct at91_usbh_data { + u8 ports; /* number of ports on root hub */ +}; +extern void __init at91_add_device_usbh(struct at91_usbh_data *data); + + /* NAND / SmartMedia */ +struct at91_nand_data { + u8 enable_pin; /* chip enable */ + u8 det_pin; /* card detect */ + u8 rdy_pin; /* ready/busy */ + u8 ale; /* address line number connected to ALE */ + u8 cle; /* address line number connected to CLE */ + u8 bus_width_16; /* buswidth is 16 bit */ + struct mtd_partition* (*partition_info)(int, int*); +}; +extern void __init at91_add_device_nand(struct at91_nand_data *data); + + /* I2C*/ +extern void __init at91_add_device_i2c(void); + + /* SPI */ +extern void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices); + + /* Serial */ +struct at91_uart_config { + unsigned short console_tty; /* tty number of serial console */ + unsigned short nr_tty; /* number of serial tty's */ + short tty_map[]; /* map UART to tty number */ +}; +extern struct platform_device *atmel_default_console_device; +extern void __init at91_init_serial(struct at91_uart_config *config); + +struct atmel_uart_data { + short use_dma_tx; /* use transmit DMA? */ + short use_dma_rx; /* use receive DMA? */ + void __iomem *regs; /* virtual base address, if any */ +}; +extern void __init at91_add_device_serial(void); + + /* LEDs */ +extern u8 at91_leds_cpu; +extern u8 at91_leds_timer; +extern void __init at91_init_leds(u8 cpu_led, u8 timer_led); + +#endif |