text: /****************************************************************************
   * boards/avr/at32uc3/avr32dev1/include/board.h
   *
   *   Copyright (C) 2010-2011, 2014 Gregory Nutt. All rights reserved.
   *   Author: Gregory Nutt <gnutt@nuttx.org>
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   * 3. Neither the name NuttX nor the names of its contributors may be
   *    used to endorse or promote products derived from this software
   *    without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
   * COPYRIGHT OWNER OR CONTRIBUTORS 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, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   ****************************************************************************/
  
  #ifndef __BOARDS_AVR_AT32UC3_AVR32DEV1_INCLUDE_BOARD_H
  #define __BOARDS_AVR_AT32UC3_AVR32DEV1_INCLUDE_BOARD_H
  
  /****************************************************************************
   * Included Files
   ****************************************************************************/
  
  #include <nuttx/config.h>
  
  #include <stdint.h>
  #include <nuttx/irq.h>
  
  /****************************************************************************
   * Pre-processor Definitions
   ****************************************************************************/
  
  /* Clocking *****************************************************************/
  
  /* Oscillator setup:  RCOSC, OSC32, OSC0, OSC1.  Only RCOSC, OSC0, or PLL0 can
   * drive the main clock.
   */
  
  /* The RCOSC frequency needs to be calibrated! */
  
  #define AVR32_FRCOSC         115000     /* RCOSC frequency in Hz. 115KHz nominal */
  
  #define AVR32_FOSC32         32768      /* OSC32 frequency in Hz */
  #define AVR32_OSC32STARTUP   3          /* OSC32 startup time in RCOSC periods */
  
  #define AVR32_FOSC0          12000000   /* OSC0 frequency in Hz */
  #define AVR32_OSC0STARTUP    3          /* OSC0 startup time in RCOSC periods. */
  
  /* #define AVR32_FOSC1       12000000      OSC1 frequency: Hz.
   * #define AVR32_OSC1STARTUP 3             OSC1 startup time in RCOSC periods.
   */
  
  /* PLL setup
   *
   *   FOSC0 MUL DIV PLL DIV2_EN CPU_CLOCK PBA_CLOCK   COMMENT
   *   (MHz)         (MHz)        (MHz)    (MHz)
   *    12   15   1  192     1     12       12
   *    12    9   3   40     1     20       20    PLL out of spec
   *    12   15   1  192     1     24       12
   *    12    9   1  120     1     30       15
   *    12    9   3   40     0     40       20    PLL out of spec
   *    12   15   1  192     1     48       12
   *    12   15   1  192     1     48       24
   *    12    8   1  108     1     54       27
   *    12    9   1  120     1     60       15
   *    12    9   1  120     1     60       30
   *    12   10   1  132     1     66       16.5
   */
  
  #define AVR32_CLOCK_PLL0_OSC0 1
  #undef AVR32_CLOCK_PLL0_OSC1
  #define AVR32_PLL0_MUL        15
  #define AVR32_PLL0_DIV        1
  #define AVR32_PLL0_DIV2       1
  #define AVR32_PLL0_WBWM       0
  #define AVR32_PLL0_FREQ       192000000
  
  /* Set PLL1 @ 96 MHz from OSC0: 12MHz*(7+1)/1 = 96MHz */
  
  #define AVR32_CLOCK_PLL1_OSC0 1
  #undef AVR32_CLOCK_PLL1_OSC1
  #define AVR32_PLL1_MUL        7
  #define AVR32_PLL1_DIV        1
  #define AVR32_PLL1_DIV2       1
  #define AVR32_PLL1_WBWM       0
  #define AVR32_PLL1_FREQ       96000000
  
  /* Clock divider setup */
  
  #define AVR32_CKSEL_CPUDIV    0
  #define AVR32_CKSEL_HSBDIV    0
  #define AVR32_CKSEL_PBADIV    0
  #define AVR32_CKSEL_PBBDIV    0
  
  /* GCLK_USBB */
  
  #undef  AVR32_CLOCK_USB_PLL0
  #define AVR32_CLOCK_USB_PLL1  1
  #undef  AVR32_CLOCK_USB_OSC0
  #undef  AVR32_CLOCK_USB_OSC1
  #define AVR32_CLOCK_USB_DIV   0
  
  /* Main Clock setup: Select OSC0 as the main clock.
   *
   * - A 12Mhz crystal is provided on he board for OSC0.
   * - The AVR32DEV1 board has no support for OSC1.
   * - There are pads for he 32Khz OSC32, but it is not populated on the
   *   board.
   */
  
  #define AVR32_CLOCK_OSC0      1
  #undef  AVR32_CLOCK_OSC1          /* Not supported */
  #undef  AVR32_CLOCK_OSC32         /* Not populated */
  #undef  AVR32_CLOCK_PLL0
  #undef  AVR32_CLOCK_PLL1
  
  #define AVR32_CPU_CLOCK       AVR32_FOSC0
  #define AVR32_PBA_CLOCK       AVR32_FOSC0
  
  /* Pin muliplexing selecion *************************************************/
  
  #define PINMUX_USART1_RXD     PINMUX_USART1_RXD_1
  #define PINMUX_USART1_TXD     PINMUX_USART1_TXD_1
  
  /* LED definitions **********************************************************/
  
  /* The AVR32DEV1 board has 3 LEDs, two of which can be controlled through GPIO pins */
  
                                   /*    ON        OFF    */
                                   /* LED1 LED2 LED1 LED2 */
  #define LED_STARTED           0  /* OFF  OFF  OFF  OFF  */
  #define LED_HEAPALLOCATE      0  /* OFF  OFF  OFF  OFF  */
  #define LED_IRQSENABLED       0  /* OFF  OFF  OFF  OFF  */
  #define LED_STACKCREATED      1  /* ON   OFF  OFF  OFF  */
  #define LED_INIRQ             2  /* ON   ON   ON   OFF  */
  #define LED_SIGNAL            2  /* ON   ON   ON   OFF  */
  #define LED_ASSERTION         2  /* ON   ON   ON   OFF  */
  #define LED_PANIC             2  /* ON   ON   ON   OFF  */
  
  /* Button definitions *******************************************************/
  
  /* The AVR32DEV1 board has 3 BUTTONs, two of which can be sensed through GPIO pins. */
  
  #define BUTTON1               1 /* Bit 0: Button 1 */
  #define BUTTON2               2 /* Bit 1: Button 2 */
  
  #endif /* __BOARDS_AVR_AT32UC3_AVR32DEV1_INCLUDE_BOARD_H */
  