nuttx/boards/avr/at32uc3/avr32dev1/include/board.h

/****************************************************************************
 * 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 */