board.h

本代bootloader通过usb下载代码首先存放在sdram中

/* ----------------------------------------------------------------------------
 *         ATMEL Microcontroller Software Support 
 * ----------------------------------------------------------------------------
 * Copyright (c) 2008, Atmel Corporation
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the disclaimer below.
 *
 * Atmel's name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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 * ----------------------------------------------------------------------------
 */

//------------------------------------------------------------------------------
/// \dir
/// !Purpose
///
/// Definition and functions for using AT91CAP9-related features, such
/// has PIO pins, memories, etc.
///
/// !Usage
/// -# The code for booting the board is provided by board_cstartup.S and
///    board_lowlevel.c.
/// -# For using board PIOs, board characteristics (clock, etc.) and external
///    components, see board.h.
/// -# For manipulating memories (remapping, SDRAM, etc.), see board_memories.h.
//------------------------------------------------------------------------------
 
//------------------------------------------------------------------------------
/// \unit
/// !Purpose
///
/// Definition of AT91CAP9-DK characteristics, AT91CAP9-dependant PIOs and
/// external components interfacing.
///
/// !Usage
/// -# For operating frequency information, see "AT91CAP9-DK - Operating frequencies".
/// -# For using portable PIO definitions, see "AT91CAP9-DK - PIO definitions".
/// -# Several USB definitions are included here (see "AT91CAP9-DK - USB device").
/// -# For external components definitions, see "AT91CAP9-DK - External components".
/// -# For memory-related definitions, see "AT91CAP9-DK - Memories".
//------------------------------------------------------------------------------

#ifndef BOARD_H
#define BOARD_H

//------------------------------------------------------------------------------
//         Headers
//------------------------------------------------------------------------------

#if defined(at91cap9)
    #include "at91cap9/AT91CAP9.h"
#else
    #error Board does not support the specified chip.
#endif

//------------------------------------------------------------------------------
//         Definitions
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \page "AT91CAP9-DK - Board Description"
/// This page lists several definition related to the board description
///
/// !Definitions
/// - BOARD_NAME

/// Name of the board.
#define BOARD_NAME "AT91CAP9-DK"
/// Board definition.
#define at91cap9dk
/// Family definition (already defined).
//#define at91cap9
/// CP15 available
#define CP15_PRESENT
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \page "AT91CAP9-DK - Operating frequencies"
/// This page lists several definition related to the board operating frequency
/// (when using the initialization done by board_lowlevel.c).
///
/// !Definitions
/// - BOARD_MAINOSC
/// - BOARD_MCK

/// Frequency of the board main oscillator.
#define BOARD_MAINOSC           12000000

/// Master clock frequency (when using board_lowlevel.c).
#define BOARD_MCK               ((12000000 * 50 / 3) / 2)

//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
// ADC
//------------------------------------------------------------------------------
/// ADC clock frequency, at 10-bit resolution (in Hz)
#define ADC_MAX_CK_10BIT         5000000
/// Startup time max, return from Idle mode (in 祍)
#define ADC_STARTUP_TIME_MAX       40
/// Track and hold Acquisition Time min (in ns)
#define ADC_TRACK_HOLD_TIME_MIN   500

//------------------------------------------------------------------------------
/// \page "AT91CAP9-DK - USB device"
/// This page lists constants describing several characteristics (controller
/// type, D+ pull-up type, etc.) of the USB device controller of the chip/board.
///
/// !Constants
/// - BOARD_USB_UDPHS
/// - BOARD_USB_PULLUP_INTERNAL
/// - BOARD_USB_NUMENDPOINTS
/// - BOARD_USB_ENDPOINTS_MAXPACKETSIZE
/// - BOARD_USB_ENDPOINTS_BANKS

/// Chip has a UDPHS controller.
#define BOARD_USB_UDPHS

/// Indicates the D+ pull-up is internal to the USB controller.
#define BOARD_USB_PULLUP_INTERNAL

/// Number of endpoints in the USB controller.
#define BOARD_USB_NUMENDPOINTS                  8

/// Returns the maximum packet size of the given endpoint.
#define BOARD_USB_ENDPOINTS_MAXPACKETSIZE(i)    ((i == 0) ? 64 : 1024)

/// Returns the number of FIFO banks for the given endpoint.
#define BOARD_USB_ENDPOINTS_BANKS(i)            ((i == 0) ? 1 : ((i == 1) || (i == 2)) ? 3 : 2)

/// USB attributes configuration descriptor (bus or self powered, remote wakeup)
#define BOARD_USB_BMATTRIBUTES                  USBConfigurationDescriptor_SELFPOWERED_NORWAKEUP

//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
/// \page "AT91CAP9-DK - PIO definitions"
/// This pages lists all the pio definitions contained in board.h. The constants
/// are named using the following convention: PIN_* for a constant which defines
/// a single Pin instance (but may include several PIOs sharing the same
/// controller), and PINS_* for a list of Pin instances.
///
/// !DBGU
/// - PINS_DBGU
/// 
/// !LEDs
/// - PIN_LED_0
/// - PIN_LED_1
/// - PINS_LEDS
/// - LED_POWER
/// - LED_DS1
/// - LED_DS2
/// 
/// !Push buttons
/// - PIN_KEYBOARD_COL0
/// - PIN_KEYBOARD_COL1
/// - PIN_KEYBOARD_COL2
/// - PIN_KEYBOARD_COL3
/// - PIN_KEYBOARD_ROW0
/// - PIN_KEYBOARD_ROW1
/// - PIN_KEYBOARD_ROW2
/// - PIN_KEYBOARD_ROW3
/// - PINS_KEYBOARD_COL
/// - PINS_KEYBOARD_ROW
/// - PIN_PUSHBUTTON_1
/// - PIN_PUSHBUTTON_2
/// - PIN_PUSHBUTTON_3
/// - PIN_PUSHBUTTON_4
/// - PINS_PUSHBUTTONS
/// - PUSHBUTTON_BP1
/// - PUSHBUTTON_BP2
/// - JOYSTICK_LEFT
/// - JOYSTICK_RIGHT
/// 
/// !USART0
/// - PIN_USART0_RXD
/// - PIN_USART0_TXD
/// - PIN_USART0_SCK
/// 
/// !SPI0
/// - PIN_SPI0_MISO
/// - PIN_SPI0_MOSI
/// - PIN_SPI0_SPCK
/// - PINS_SPI0
/// - PIN_SPI0_NPCS0
/// 
/// !AC97
/// - PINS_AC97
///
/// !PWMC
/// - PIN_PWMC_PWM0
/// - PIN_PWMC_PWM1
/// - PIN_PWM_LED0
/// - PIN_PWM_LED1
/// - CHANNEL_PWM_LED0
/// - CHANNEL_PWM_LED1
///
/// !ADC
/// - PIN_ADC_ADC0
/// - PIN_ADC_ADC1
/// - PIN_ADC_ADC2
/// - PIN_ADC_ADC3
/// - PINS_ADC
///
/// !SSC
/// - PINS_SSC_TRANSMITTER
/// 
/// !USB
/// - PIN_USB_VBUS
///
/// !CAN
/// - PIN_CAN_TRANSCEIVER_RS
/// - PIN_CAN1_TRANSCEIVER_TXD
/// - PIN_CAN1_TRANSCEIVER_RXD
/// - PIN_CAN2_TRANSCEIVER_TXD
/// - PIN_CAN2_TRANSCEIVER_RXD
/// - PINS_CAN_TRANSCEIVER_TXD
/// - PINS_CAN_TRANSCEIVER_RXD

/// !PCK
/// - PIN_PCK0
/// - PIN_PCK1
/// - PIN_PCK2

/// List of all DBGU pin definitions.
#define PINS_DBGU   {(1<<30)|(1<<31), AT91C_BASE_PIOC, AT91C_ID_PIOABCD, PIO_PERIPH_A, PIO_DEFAULT}

/// LED #0 pin definition.
#define PIN_LED_0  {AT91C_PIO_PA10, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_OUTPUT_0, PIO_DEFAULT}
/// LED #1 pin definition.
#define PIN_LED_1  {AT91C_PIO_PA11, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_OUTPUT_0, PIO_DEFAULT}
/// LED #2 pin definition.
#define PIN_LED_2  {AT91C_PIO_PC29, AT91C_BASE_PIOC, AT91C_ID_PIOABCD, PIO_OUTPUT_0, PIO_DEFAULT}
/// List of all LEDs definitions.
#define PINS_LEDS  PIN_LED_0, PIN_LED_1, PIN_LED_2

/// Keyboard rows ( scanning output )
#define PIN_KEYBOARD_ROW0 {1 << 10, AT91C_BASE_PIOD, AT91C_ID_PIOABCD, PIO_OUTPUT_0, PIO_DEFAULT}
#define PIN_KEYBOARD_ROW1 {1 << 11, AT91C_BASE_PIOD, AT91C_ID_PIOABCD, PIO_OUTPUT_0, PIO_DEFAULT}
#define PIN_KEYBOARD_ROW2 {1 << 12, AT91C_BASE_PIOD, AT91C_ID_PIOABCD, PIO_OUTPUT_0, PIO_DEFAULT}
#define PIN_KEYBOARD_ROW3 {1 << 13, AT91C_BASE_PIOD, AT91C_ID_PIOABCD, PIO_OUTPUT_0, PIO_DEFAULT}

#define PIN_KEYBOARD_COL0 {1 << 9, AT91C_BASE_PIOD, AT91C_ID_PIOABCD, PIO_INPUT, PIO_PULLUP}
#define PIN_KEYBOARD_COL1 {1 << 8, AT91C_BASE_PIOD, AT91C_ID_PIOABCD, PIO_INPUT, PIO_PULLUP}
#define PIN_KEYBOARD_COL2 {1 << 7, AT91C_BASE_PIOD, AT91C_ID_PIOABCD, PIO_INPUT, PIO_PULLUP}
#define PIN_KEYBOARD_COL3 {1 << 6, AT91C_BASE_PIOD, AT91C_ID_PIOABCD, PIO_INPUT, PIO_PULLUP}

#define PINS_KEYBOARD_ROW PIN_KEYBOARD_ROW0, PIN_KEYBOARD_ROW1, PIN_KEYBOARD_ROW2, PIN_KEYBOARD_ROW3
#define PINS_KEYBOARD_COL PIN_KEYBOARD_COL0, PIN_KEYBOARD_COL1, PIN_KEYBOARD_COL2, PIN_KEYBOARD_COL3

/// Push button #1 pin definition.
#define PIN_PUSHBUTTON_1  PIN_KEYBOARD_COL0
/// Push button #2 pin definition.
#define PIN_PUSHBUTTON_2  PIN_KEYBOARD_COL1
/// Push button #3 pin definition.
#define PIN_PUSHBUTTON_3  PIN_KEYBOARD_COL2
/// Push button #4 pin definition.
#define PIN_PUSHBUTTON_4  PIN_KEYBOARD_COL3
/// List of push button pin definitions.
#define PINS_PUSHBUTTONS  PIN_PUSHBUTTON_1, PIN_PUSHBUTTON_2, PIN_PUSHBUTTON_3, PIN_PUSHBUTTON_4
/// Push button #1 index.
#define PUSHBUTTON_BP1   0
/// Push button #2 index.
#define PUSHBUTTON_BP2   1
/// Simulated joystick LEFT index.
#define JOYSTICK_LEFT    0
/// Simulated joystick RIGHT index.
#define JOYSTICK_RIGHT   1

/// USART0 TXD pin definition.
#define PIN_USART0_RXD  {1 << 23, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_A, PIO_DEFAULT}
/// USART0 RXD pin definition.
#define PIN_USART0_TXD  {1 << 22, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_A, PIO_DEFAULT}
/// USART0 SCK pin definition.
#define PIN_USART0_SCK  {1 << 26, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_A, PIO_DEFAULT}

/// SPI MISO pin definition.
#define PIN_SPI0_MISO  {AT91C_PA0_SPI0_MISO, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_PULLUP}
/// SPI MOSI pin definition.
#define PIN_SPI0_MOSI  {AT91C_PA1_SPI0_MOSI, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}
/// SPI SPCK pin definition.
#define PIN_SPI0_SPCK  {AT91C_PA2_SPI0_SPCK, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}
/// List of SPI pin definitions (MISO, MOSI & SPCK).
#define PINS_SPI0      PIN_SPI0_MISO, PIN_SPI0_MOSI, PIN_SPI0_SPCK
/// SPI chip select 0 pin definition.
#define PIN_SPI0_NPCS0 {AT91C_PA5_SPI0_NPCS0, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}
/// SPI chip select 3 pin definition.
#define PIN_SPI0_NPCS3 {AT91C_PD1_SPI0_NPCS3D, AT91C_BASE_PIOD, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}

/// AC97 pins definition.
#define PINS_AC97   {0x000003C0, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_A, PIO_DEFAULT}

/// PWMC PWM1 pin definition.
#define PIN_PWMC_PWM1  {1 << 10, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}
/// PWMC PWM2 pin definition.
#define PIN_PWMC_PWM3  {1 << 11, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_B, PIO_DEFAULT}
/// PWM pin definition for LED0
#define PIN_PWM_LED0 PIN_PWMC_PWM1
/// PWM pin definition for LED1
#define PIN_PWM_LED1 PIN_PWMC_PWM3
/// PWM channel for LED0
#define CHANNEL_PWM_LED0 1
/// PWM channel for LED1
#define CHANNEL_PWM_LED1 3

/// ADC_AD0 pin definition.
#define PIN_ADC_ADC0  {AT91C_PB13_AD0, AT91C_BASE_PIOB, AT91C_ID_PIOABCD, PIO_INPUT, PIO_DEFAULT}
/// ADC_AD1 pin definition.
#define PIN_ADC_ADC1  {AT91C_PB14_AD1, AT91C_BASE_PIOB, AT91C_ID_PIOABCD, PIO_INPUT, PIO_DEFAULT}
/// ADC_AD2 pin definition.
#define PIN_ADC_ADC2  {AT91C_PB15_AD2, AT91C_BASE_PIOB, AT91C_ID_PIOABCD, PIO_INPUT, PIO_DEFAULT}
/// ADC_AD3 pin definition.
#define PIN_ADC_ADC3  {AT91C_PB16_AD3, AT91C_BASE_PIOB, AT91C_ID_PIOABCD, PIO_INPUT, PIO_DEFAULT}
/// ADC_AD0 pin definition.
#define PIN_ADC_ADC4  {AT91C_PB17_AD4, AT91C_BASE_PIOB, AT91C_ID_PIOABCD, PIO_INPUT, PIO_DEFAULT}
/// ADC_AD1 pin definition.
#define PIN_ADC_ADC5  {AT91C_PB18_AD5, AT91C_BASE_PIOB, AT91C_ID_PIOABCD, PIO_INPUT, PIO_DEFAULT}
/// ADC_AD2 pin definition.
#define PIN_ADC_ADC6  {AT91C_PB19_AD6, AT91C_BASE_PIOB, AT91C_ID_PIOABCD, PIO_INPUT, PIO_DEFAULT}
/// ADC_AD3 pin definition.
#define PIN_ADC_ADC7  {AT91C_PB20_AD7, AT91C_BASE_PIOB, AT91C_ID_PIOABCD, PIO_INPUT, PIO_DEFAULT}
/// Pins ADC
#define PINS_ADC PIN_ADC_ADC0, PIN_ADC_ADC1, PIN_ADC_ADC2, PIN_ADC_ADC3

/*
/// SSC transmitter pins definition.
#define PINS_SSC_TX  {0x00038000, AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}
#define PIN_SSC0_RD  {AT91C_PA16_RD0 , AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_PULLUP}
#define PIN_SSC0_TD  {AT91C_PA15_TD0 , AT91C_BASE_PIOA, AT91C_ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}
#define PIN_SSC0_TK  {AT91C_PC1_TK0 , AT91C_BASE_PIOC, AT91C_ID_PIOC, PIO_PERIPH_A, PIO_DEFAULT}
#define PIN_SSC0_TF  {AT91C_PC0_TF0 , AT91C_BASE_PIOC, AT91C_ID_PIOC, PIO_PERIPH_A, PIO_DEFAULT}
#define PIN_SSC0   PIN_SSC0_RD, PIN_SSC0_TD, PIN_SSC0_TK, PIN_SSC0_TF
*/

/// USB VBus monitoring pin definition.
#define PIN_USB_VBUS    {1 << 31, AT91C_BASE_PIOB, AT91C_ID_PIOABCD, PIO_INPUT, PIO_DEFAULT}

/// CAN Definition
/// RS: Select input for high speed mode or silent mode
#define PIN_CAN_TRANSCEIVER_RS  {1<<12, AT91C_BASE_PIOC, AT91C_ID_PIOABCD, PIO_OUTPUT_1, PIO_DEFAULT}

/// TXD: Transmit data input
#define PIN_CAN1_TRANSCEIVER_TXD  {1<<12, AT91C_BASE_PIOA, AT91C_ID_PIOABCD, PIO_PERIPH_A, PIO_DEFAULT}