149 lines
5.6 KiB
C
149 lines
5.6 KiB
C
/****************************************************************************
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* boards/arm/kl/teensy-lc/include/board.h
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_KL_TEENSY_LC_INCLUDE_BOARD_H
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#define __BOARDS_ARM_KL_TEENSY_LC_INCLUDE_BOARD_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#ifndef __ASSEMBLY__
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# include <stdint.h>
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#endif
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Clocking *****************************************************************/
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/* The board has a 16MHz crystal. */
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#undef BOARD_EXTCLOCK /* Crystal */
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#define BOARD_XTAL_FREQ 16000000 /* 16 MHz crystal frequency (REFCLK) */
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/* PLL Configuration.
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*
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* PLL Input frequency: PLLIN = REFCLK / PRDIV0 = 16MHz / 4 = 4 MHz
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* PLL Output frequency: PLLOUT = PLLIN * VDIV0 = 4Mhz * 24 = 96 MHz
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* MCGPLLCLK Frequency: MCGPLLCLK = 96MHz
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*/
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#define BOARD_PRDIV0 4 /* PLL External Reference Divider */
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#define BOARD_VDIV0 24 /* PLL VCO Divider (frequency multiplier) */
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#define BOARD_PLLIN_FREQ (BOARD_XTAL_FREQ / BOARD_PRDIV0)
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#define BOARD_PLLOUT_FREQ (BOARD_PLLIN_FREQ * BOARD_VDIV0)
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#define BOARD_MCGPLLCLK_FREQ BOARD_PLLOUT_FREQ
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/* MCGOUTCLK:
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* MCG output of either IRC, MCGFLLCLK, MCGPLLCLK, or MCG's external
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* reference clock that sources the core, system, bus, and flash clock.
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*
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* MCGOUTCLK = MCGPLLCLK = 96MHz
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*/
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#define BOARD_MCGOUTCLK_FREQ BOARD_MCGPLLCLK_FREQ
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/* SIM CLKDIV1 dividers.
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*
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* Core/system clock
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* MCGOUTCLK divided by OUTDIV1, clocks the ARM Cortex-M0+ core
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*
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* Bus clock
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* System clock divided by OUTDIV4, clocks the bus slaves and peripherals.
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*/
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#define BOARD_OUTDIV1 2 /* Core/system = MCGOUTCLK / 2 = 48 MHz */
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#define BOARD_OUTDIV4 2 /* Bus clock = System clock / 2 = 24 MHz */
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#define BOARD_CORECLK_FREQ (BOARD_MCGOUTCLK_FREQ / BOARD_OUTDIV1)
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#define BOARD_BUSCLK_FREQ (BOARD_CORECLK_FREQ / BOARD_OUTDIV4)
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/* PWM Configuration */
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/* TPM0 Channels */
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#define GPIO_TPM0_CH0OUT PIN_TPM0_CH0_2 // Pin 22: PTC1
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#define GPIO_TPM0_CH1OUT PIN_TPM0_CH1_2 // Pin 23: PTC2
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#define GPIO_TPM0_CH2OUT PIN_TPM0_CH2_2 // Pin 9: PTC3
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#define GPIO_TPM0_CH3OUT PIN_TPM0_CH3_1 // Pin 10: PTC4
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#define GPIO_TPM0_CH4OUT PIN_TPM0_CH4_2 // Pin 6: PTD4
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#define GPIO_TPM0_CH5OUT PIN_TPM0_CH5_3 // Pin 20: PTD5
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/* TPM1 Channels */
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#define GPIO_TPM1_CH0OUT PIN_TPM1_CH0_2 // Pin 16: PTB0
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#define GPIO_TPM1_CH1OUT PIN_TPM1_CH1_2 // Pin 17: PTB1
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/* TPM2 Channels */
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#define GPIO_TPM2_CH0OUT PIN_TPM2_CH0_1 // Pin 3: PTA1
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#define GPIO_TPM2_CH1OUT PIN_TPM2_CH1_1 // Pin 4: PTA2
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/* LED definitions **********************************************************/
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/* The Teensy LC has a single LED. */
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#define LED_STARTED 0 /* LED off */
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#define LED_HEAPALLOCATE 0 /* LED off */
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#define LED_IRQSENABLED 0 /* LED off */
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#define LED_STACKCREATED 1 /* LED on */
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#define LED_INIRQ 2 /* LED no change */
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#define LED_SIGNAL 2 /* LED no change */
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#define LED_ASSERTION 2 /* LED no change */
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#define LED_PANIC 3 /* LED flashing */
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/* SPI0 Pinout
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* ===========
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*
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*/
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/* Note that the Teensy maps SCK0 to pin 13 which conflicts with the
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* LED. Use pin 14 instead.
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*/
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#define PIN_SPI0_SCK (PIN_SPI0_SCK_3 | PIN_ALT2_PULLUP) // Pin 14: PTD1
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#define PIN_SPI0_MISO (PIN_SPI0_MISO_4 | PIN_ALT2_PULLUP) // Pin 12: PTC7
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#define PIN_SPI0_MOSI (PIN_SPI0_MOSI_3 | PIN_ALT2_PULLUP) // Pin 11: PTC6
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#define PIN_SPI1_SCK (PIN_SPI1_SCK_2 | PIN_ALT2_PULLUP) // Pin 20: PTD5
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#define PIN_SPI1_MISO (PIN_SPI1_MISO_2 | PIN_ALT2_PULLUP) // Pin 1: PTB17
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#define PIN_SPI1_MOSI (PIN_SPI0_MOSI_1 | PIN_ALT2_PULLUP) // Pin 0: PTB16
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#endif /* __BOARDS_ARM_KL_TEENSY_LC_INCLUDE_BOARD_H */
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