/* * 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