211 lines
6.7 KiB
C
211 lines
6.7 KiB
C
/*
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* arch/arm/mach-at91/include/mach/board.h
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*
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* Copyright (C) 2005 HP Labs
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* These are data structures found in platform_device.dev.platform_data,
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* and describing board-specific data needed by drivers. For example,
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* which pin is used for a given GPIO role.
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*
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* In 2.6, drivers should strongly avoid board-specific knowledge so
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* that supporting new boards normally won't require driver patches.
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* Most board-specific knowledge should be in arch/.../board-*.c files.
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*/
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#ifndef __ASM_ARCH_BOARD_H
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#define __ASM_ARCH_BOARD_H
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#include <linux/mtd/partitions.h>
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#include <linux/device.h>
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#include <linux/i2c.h>
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#include <linux/leds.h>
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#include <linux/spi/spi.h>
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#include <linux/usb/atmel_usba_udc.h>
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#include <linux/atmel-mci.h>
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#include <sound/atmel-ac97c.h>
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#include <linux/serial.h>
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/* USB Device */
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struct at91_udc_data {
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u8 vbus_pin; /* high == host powering us */
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u8 vbus_active_low; /* vbus polarity */
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u8 vbus_polled; /* Use polling, not interrupt */
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u8 pullup_pin; /* active == D+ pulled up */
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u8 pullup_active_low; /* true == pullup_pin is active low */
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};
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extern void __init at91_add_device_udc(struct at91_udc_data *data);
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/* USB High Speed Device */
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extern void __init at91_add_device_usba(struct usba_platform_data *data);
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/* Compact Flash */
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struct at91_cf_data {
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u8 irq_pin; /* I/O IRQ */
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u8 det_pin; /* Card detect */
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u8 vcc_pin; /* power switching */
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u8 rst_pin; /* card reset */
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u8 chipselect; /* EBI Chip Select number */
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u8 flags;
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#define AT91_CF_TRUE_IDE 0x01
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#define AT91_IDE_SWAP_A0_A2 0x02
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};
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extern void __init at91_add_device_cf(struct at91_cf_data *data);
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/* MMC / SD */
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/* at91_mci platform config */
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struct at91_mmc_data {
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u8 det_pin; /* card detect IRQ */
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unsigned slot_b:1; /* uses Slot B */
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unsigned wire4:1; /* (SD) supports DAT0..DAT3 */
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u8 wp_pin; /* (SD) writeprotect detect */
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u8 vcc_pin; /* power switching (high == on) */
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};
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extern void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data);
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/* atmel-mci platform config */
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extern void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data);
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/* Ethernet (EMAC & MACB) */
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struct at91_eth_data {
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u32 phy_mask;
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u8 phy_irq_pin; /* PHY IRQ */
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u8 is_rmii; /* using RMII interface? */
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};
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extern void __init at91_add_device_eth(struct at91_eth_data *data);
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#if defined(CONFIG_ARCH_AT91SAM9260) || defined(CONFIG_ARCH_AT91SAM9263) || defined(CONFIG_ARCH_AT91SAM9G20) || defined(CONFIG_ARCH_AT91CAP9) \
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|| defined(CONFIG_ARCH_AT91SAM9G45)
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#define eth_platform_data at91_eth_data
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#endif
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/* USB Host */
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struct at91_usbh_data {
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u8 ports; /* number of ports on root hub */
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u8 vbus_pin[2]; /* port power-control pin */
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};
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extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
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extern void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data);
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extern void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data);
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/* NAND / SmartMedia */
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struct atmel_nand_data {
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u8 enable_pin; /* chip enable */
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u8 det_pin; /* card detect */
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u8 rdy_pin; /* ready/busy */
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u8 rdy_pin_active_low; /* rdy_pin value is inverted */
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u8 ale; /* address line number connected to ALE */
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u8 cle; /* address line number connected to CLE */
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u8 bus_width_16; /* buswidth is 16 bit */
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struct mtd_partition* (*partition_info)(int, int*);
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};
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extern void __init at91_add_device_nand(struct atmel_nand_data *data);
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/* I2C*/
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#if defined(CONFIG_ARCH_AT91SAM9G45)
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extern void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices);
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#else
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extern void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices);
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#endif
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/* SPI */
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extern void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices);
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/* Serial */
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#define ATMEL_UART_CTS 0x01
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#define ATMEL_UART_RTS 0x02
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#define ATMEL_UART_DSR 0x04
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#define ATMEL_UART_DTR 0x08
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#define ATMEL_UART_DCD 0x10
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#define ATMEL_UART_RI 0x20
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extern void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins);
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extern void __init at91_set_serial_console(unsigned portnr);
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extern struct platform_device *atmel_default_console_device;
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struct atmel_uart_data {
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int num; /* port num */
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short use_dma_tx; /* use transmit DMA? */
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short use_dma_rx; /* use receive DMA? */
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void __iomem *regs; /* virt. base address, if any */
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struct serial_rs485 rs485; /* rs485 settings */
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};
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extern void __init at91_add_device_serial(void);
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/*
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* PWM
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*/
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#define AT91_PWM0 0
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#define AT91_PWM1 1
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#define AT91_PWM2 2
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#define AT91_PWM3 3
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extern void __init at91_add_device_pwm(u32 mask);
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/*
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* SSC -- accessed through ssc_request(id). Drivers don't bind to SSC
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* platform devices. Their SSC ID is part of their configuration data,
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* along with information about which SSC signals they should use.
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*/
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#define ATMEL_SSC_TK 0x01
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#define ATMEL_SSC_TF 0x02
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#define ATMEL_SSC_TD 0x04
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#define ATMEL_SSC_TX (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD)
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#define ATMEL_SSC_RK 0x10
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#define ATMEL_SSC_RF 0x20
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#define ATMEL_SSC_RD 0x40
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#define ATMEL_SSC_RX (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD)
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extern void __init at91_add_device_ssc(unsigned id, unsigned pins);
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/* LCD Controller */
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struct atmel_lcdfb_info;
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extern void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data);
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/* AC97 */
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extern void __init at91_add_device_ac97(struct ac97c_platform_data *data);
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/* ISI */
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extern void __init at91_add_device_isi(void);
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/* Touchscreen Controller */
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struct at91_tsadcc_data {
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unsigned int adc_clock;
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u8 pendet_debounce;
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u8 ts_sample_hold_time;
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};
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extern void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data);
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/* CAN */
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struct at91_can_data {
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void (*transceiver_switch)(int on);
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};
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extern void __init at91_add_device_can(struct at91_can_data *data);
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/* LEDs */
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extern void __init at91_init_leds(u8 cpu_led, u8 timer_led);
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extern void __init at91_gpio_leds(struct gpio_led *leds, int nr);
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extern void __init at91_pwm_leds(struct gpio_led *leds, int nr);
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/* FIXME: this needs a better location, but gets stuff building again */
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extern int at91_suspend_entering_slow_clock(void);
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#endif
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