400 lines
16 KiB
C
400 lines
16 KiB
C
/************************************************************************************
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* configs/freedom-k66f/include/board.h
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*
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* Copyright (C) 2016-2017 Gregory Nutt. All rights reserved.
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* Authors: Gregory Nutt <gnutt@nuttx.org>
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* David Sidrane <david_s5@nscdg.com>
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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 __CONFIG_FREEDOM_K66F_INCLUDE_BOARD_H
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#define __CONFIG_FREEDOM_K66F_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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#include <arch/chip/chip.h>
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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 Freedom K66F uses a 12Mhz external Oscillator. The Kinetis MCU startup from an
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* internal digitally-controlled oscillator (DCO). Nuttx will enable the main external
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* oscillator (EXTAL0/XTAL0). The external oscillator/resonator can range from
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* 32.768 KHz up to 50 MHz. The default external source for the MCG oscillator inputs
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* is 12 MHz oscillator
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*
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* X501 a High-frequency, low-power Xtal
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*/
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#define BOARD_EXTAL_LP 1
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#define BOARD_EXTAL_FREQ 12000000 /* 12MHz Oscillator */
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#define BOARD_XTAL32_FREQ 32768 /* 32KHz RTC Oscillator */
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/* PLL Configuration. Either the external clock or crystal frequency is used to
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* select the PRDIV value. Only reference clock frequencies are supported that will
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* produce a KINETIS_MCG_PLL_REF_MIN >= PLLIN <=KINETIS_MCG_PLL_REF_MAX reference
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* clock to the PLL.
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*
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* PLL Input frequency: PLLIN = REFCLK / PRDIV = 12 Mhz / 1 = 12 MHz
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* PLL Output frequency: PLLOUT = PLLIN * VDIV = 12 Mhz * 30 = 360 MHz
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* MCG Frequency: PLLOUT = 180 Mhz = 360 MHz / KINETIS_MCG_PLL_INTERNAL_DIVBY
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*
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* PRDIV register value is the divider minus KINETIS_MCG_C5_PRDIV_BASE.
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* VDIV register value is offset by KINETIS_MCG_C6_VDIV_BASE.
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*/
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#define BOARD_PRDIV 1 /* PLL External Reference Divider */
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#define BOARD_VDIV 30 /* PLL VCO Divider (frequency multiplier) */
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/* Define additional MCG_C2 Setting */
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#define BOARD_MCG_C2_FCFTRIM 0 /* Do not enable FCFTRIM */
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#define BOARD_MCG_C2_LOCRE0 MCG_C2_LOCRE0 /* Enable reset on loss of clock */
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#define BOARD_PLLIN_FREQ (BOARD_EXTAL_FREQ / BOARD_PRDIV)
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#define BOARD_PLLOUT_FREQ (BOARD_PLLIN_FREQ * BOARD_VDIV)
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#define BOARD_MCG_FREQ (BOARD_PLLOUT_FREQ/KINETIS_MCG_PLL_INTERNAL_DIVBY)
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/* SIM CLKDIV1 dividers */
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#define BOARD_OUTDIV1 1 /* Core = MCG, 180 MHz */
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#define BOARD_OUTDIV2 3 /* Bus = MCG / 3, 60 MHz */
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#define BOARD_OUTDIV3 3 /* FlexBus = MCG / 3, 60 MHz */
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#define BOARD_OUTDIV4 7 /* Flash clock = MCG / 7, 25.7 MHz */
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#define BOARD_CORECLK_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV1)
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#define BOARD_BUS_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV2)
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#define BOARD_FLEXBUS_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV3)
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#define BOARD_FLASHCLK_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV4)
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/* Use BOARD_MCG_FREQ as the output SIM_SOPT2 MUX selected by
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* SIM_SOPT2[PLLFLLSEL]
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*/
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#define BOARD_SOPT2_PLLFLLSEL SIM_SOPT2_PLLFLLSEL_MCGPLLCLK
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#define BOARD_SOPT2_FREQ BOARD_MCG_FREQ
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/* N.B. The above BOARD_SOPT2_FREQ precludes use of USB with a 12 Mhz Xtal
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* Divider output clock = Divider input clock × [ (USBFRAC+1) / (USBDIV+1) ]
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* SIM_CLKDIV2_FREQ = BOARD_SOPT2_FREQ × [ (USBFRAC+1) / (USBDIV+1) ]
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* 48Mhz = 168Mhz X [(1 + 1) / (6 + 1)]
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* 48Mhz = 168Mhz / (6 + 1) * (1 + 1)
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*/
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#if (BOARD_MCG_FREQ == 168000000L)
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# define BOARD_SIM_CLKDIV2_USBFRAC 2
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# define BOARD_SIM_CLKDIV2_USBDIV 7
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# define BOARD_SIM_CLKDIV2_FREQ (BOARD_SOPT2_FREQ / \
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BOARD_SIM_CLKDIV2_USBDIV * \
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BOARD_SIM_CLKDIV2_USBFRAC)
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#endif
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/* Divider output clock = Divider input clock * ((PLLFLLFRAC+1)/(PLLFLLDIV+1))
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* SIM_CLKDIV3_FREQ = BOARD_SOPT2_FREQ × [ (PLLFLLFRAC+1) / (PLLFLLDIV+1)]
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* 90 Mhz = 180 Mhz X [(0 + 1) / (1 + 1)]
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* 90 Mhz = 180 Mhz / (1 + 1) * (0 + 1)
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*/
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#define BOARD_SIM_CLKDIV3_PLLFLLFRAC 1
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#define BOARD_SIM_CLKDIV3_PLLFLLDIV 2
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#define BOARD_SIM_CLKDIV3_FREQ (BOARD_SOPT2_FREQ / \
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BOARD_SIM_CLKDIV3_PLLFLLDIV * \
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BOARD_SIM_CLKDIV3_PLLFLLFRAC)
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#define BOARD_LPUART0_CLKSRC SIM_SOPT2_LPUARTSRC_MCGCLK
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#define BOARD_LPUART0_FREQ BOARD_SIM_CLKDIV3_FREQ
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#define BOARD_TPM_CLKSRC SIM_SOPT2_TPMSRC_MCGCLK
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#define BOARD_TPM_FREQ BOARD_SIM_CLKDIV3_FREQ
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/* SDHC clocking ********************************************************************/
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/* SDCLK configurations corresponding to various modes of operation. Formula is:
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*
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* SDCLK frequency = (base clock) / (prescaler * divisor)
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*
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* The SDHC module is always configure configured so that the core clock is the base
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* clock. Possible values for prescaler and divisor are:
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*
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* SDCLKFS: {2, 4, 8, 16, 32, 63, 128, 256}
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* DVS: {1..16}
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*/
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/* Identification mode: Optimal 400KHz, Actual 180MHz / (32 * 15) = 375 Khz */
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#define BOARD_SDHC_IDMODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV32
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#define BOARD_SDHC_IDMODE_DIVISOR SDHC_SYSCTL_DVS_DIV(15)
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/* MMC normal mode: Optimal 20MHz, Actual 180MHz / (2 * 5) = 18 MHz */
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#define BOARD_SDHC_MMCMODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2
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#define BOARD_SDHC_MMCMODE_DIVISOR SDHC_SYSCTL_DVS_DIV(5)
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/* SD normal mode (1-bit): Optimal 20MHz, Actual 180MHz / (2 * 5) = 18 MHz */
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#define BOARD_SDHC_SD1MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2
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#define BOARD_SDHC_SD1MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(5)
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/* SD normal mode (4-bit): Optimal 25MHz, Actual 180MHz / (2 * 4) = 22.5 MHz (with DMA)
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* SD normal mode (4-bit): Optimal 20MHz, Actual 180MHz / (2 * 4) = 22.5 MHz (no DMA)
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*/
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#ifdef CONFIG_SDIO_DMA
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# define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2
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# define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(4)
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#else
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# define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2
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# define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(4)
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#endif
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/* PWM Configuration */
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/* FTM0 Channels */
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/* Channels can be modified using kinetis_k66pinmux.h */
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#define GPIO_FTM0_CH0OUT PIN_FTM0_CH0_1
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#define GPIO_FTM0_CH1OUT PIN_FTM0_CH1_1
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#define GPIO_FTM0_CH2OUT PIN_FTM0_CH2_2
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#define GPIO_FTM0_CH3OUT PIN_FTM0_CH3_1
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#define GPIO_FTM0_CH4OUT PIN_FTM0_CH4_1
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#define GPIO_FTM0_CH5OUT PIN_FTM0_CH5_1
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/* PWM Configuration */
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/* FTM3 Channels */
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/* Channels can be modified using kinetis_k66pinmux.h */
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#define GPIO_FTM3_CH0OUT PIN_FTM3_CH0_1
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#define GPIO_FTM3_CH1OUT PIN_FTM3_CH1_1
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#define GPIO_FTM3_CH2OUT PIN_FTM3_CH2_1
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#define GPIO_FTM3_CH3OUT PIN_FTM3_CH3_1
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#define GPIO_FTM3_CH4OUT PIN_FTM3_CH4_1
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/* LED definitions ******************************************************************/
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/* The Freedom K66F has a single RGB LED driven by the K66F as follows:
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*
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* LED K66
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* ------ -------------------------------------------------------
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* RED PTB22/SPI2_SOUT/FB_AD29/CMP2_OUT
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* BLUE PTB21/SPI2_SCK/FB_AD30/CMP1_OUT
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* GREEN PTE26/ENET_1588_CLKIN/UART4_CTS_b/RTC_CLKOUT/USB0_CLKIN
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*
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* If CONFIG_ARCH_LEDS is not defined, then the user can control the LEDs in any
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* way. The following definitions are used to access individual LEDs.
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*/
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/* LED index values for use with board_userled() */
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#define BOARD_LED_R 0
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#define BOARD_LED_G 1
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#define BOARD_LED_B 2
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#define BOARD_NLEDS 3
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/* LED bits for use with board_userled_all() */
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#define BOARD_LED_R_BIT (1 << BOARD_LED_R)
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#define BOARD_LED_G_BIT (1 << BOARD_LED_G)
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#define BOARD_LED_B_BIT (1 << BOARD_LED_B)
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/* If CONFIG_ARCH_LEDs is defined, then NuttX will control the LED on board
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* the Freedom K66F. The following definitions describe how NuttX controls
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* the LEDs:
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*
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* SYMBOL Meaning LED state
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* RED GREEN BLUE
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* ------------------- ---------------------------- ----------------- */
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#define LED_STARTED 1 /* NuttX has been started OFF OFF OFF */
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#define LED_HEAPALLOCATE 2 /* Heap has been allocated OFF OFF ON */
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#define LED_IRQSENABLED 0 /* Interrupts enabled OFF OFF ON */
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#define LED_STACKCREATED 3 /* Idle stack created OFF ON OFF */
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#define LED_INIRQ 0 /* In an interrupt (no change) */
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#define LED_SIGNAL 0 /* In a signal handler (no change) */
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#define LED_ASSERTION 0 /* An assertion failed (no change) */
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#define LED_PANIC 4 /* The system has crashed FLASH OFF OFF */
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#undef LED_IDLE /* K66 is in sleep mode (Not used) */
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/* Button definitions ***************************************************************/
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/* Two push buttons, SW2 and SW3, are available on FRDM-K66F board, where SW2 is
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* connected to PTC6 and SW3 is connected to PTA4. Besides the general purpose
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* input/output functions, SW2 and SW3 can be low-power wake up signal. Also, only
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* SW3 can be a non-maskable interrupt.
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*
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* Switch GPIO Function
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* --------- ---------------------------------------------------------------
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* SW2 PTC6/SPI0_SOUT/PD0_EXTRG/I2S0_RX_BCLK/FB_AD9/I2S0_MCLK/LLWU_P10
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* SW3 PTA4/FTM0_CH1/NMI_b/LLWU_P3
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*/
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#define BUTTON_SW2 0
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#define BUTTON_SW3 1
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#define NUM_BUTTONS 2
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#define BUTTON_SW2_BIT (1 << BUTTON_SW2)
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#define BUTTON_SW3_BIT (1 << BUTTON_SW3)
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/* Alternative pin resolution *******************************************************/
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/* If there are alternative configurations for various pins in the
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* kinetis_k66pinmux.h header file, those alternative pins will be labeled with a
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* suffix like _1, _2, etc. The logic in this file must select the correct pin
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* configuration for the board by defining a pin configuration (with no suffix) that
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* maps to the correct alternative.
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*/
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/* The primary serial port interface signals are PTB16 UART0_RX and PTB17 UART0_TX.
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* These signals are connected to the OpenSDAv2 circuit.
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*/
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#define PIN_UART0_RX PIN_UART0_RX_3
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#define PIN_UART0_TX PIN_UART0_TX_3
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/* An alternative serial port might use a standard serial shield mounted
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* on the Freedom Board. In this case, Arduino pin D1 provides UART TX and
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* pin D0 privies UART RX.
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*
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* The I/O headers on the FRDM-K66F board are arranged to enable
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* compatibility with Arduino shield. The outer rows of pins (even numbered
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* pins) on the headers, share the same mechanical spacing and placement with
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* the I/O headers on the Arduino Revision 3 (R3) standard.
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*
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* The Arduino D0 and D1 pins then correspond to pins 2 and 4 on the J1 I/O
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* connector:
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*
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* Arduino Pin FRDM-K66F J1 Connector
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* ------------------------ -----------------------
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* UART RX, Arduino D0 pin Pin 2, PTC3, UART1_RX
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* UART TX, Arduino D1 pin Pin 4, PTC4, UART1_TX
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* ------------------------ -----------------------
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*
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*/
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#define PIN_UART1_RX PIN_UART1_RX_1
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#define PIN_UART1_TX PIN_UART1_TX_1
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/* Bluetooth header
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*
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* J199 Pin Name K66 Name
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* -------- ----- ------ ---------
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* 3 BT_TX PTC14 UART4_RX
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* 4 BT_RX PTC15 UART4_TX
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* -------- ----- ------ ---------
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*/
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#define PIN_UART4_RX PIN_UART4_RX_1
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#define PIN_UART4_TX PIN_UART4_TX_1
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/* LPUART
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*
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* J1 Pin Name K66 Name
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* -------- ------------ ------ ---------
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* 7 I2S_RX_BCLK PTE9 LPUART0_RX
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* 11 I2S_RX_FS PTE8 LPUART0_TX
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* -------- ----- ------ ---------
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*/
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#define PIN_LPUART0_RX PIN_LPUART0_RX_1
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#define PIN_LPUART0_TX PIN_LPUART0_TX_1
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/* I2C INERTIAL SENSOR (Gyroscope)
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*
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* Pin Name K66 Name
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* ---- ----- ------ ---------
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* 11 SCL PTD8 2C0_SCL
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* 12 SDA PTD9 2C0_SDA
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*/
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#define PIN_I2C0_SCL PIN_I2C0_SCL_3
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#define PIN_I2C0_SDA PIN_I2C0_SDA_3
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/* RF/WIFI
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*
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* J6 Pin Name K66 Name
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* ------ ----- ------ ---------
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* 1 GND
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* 2 P3V3
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* 3 CE PTB20 PTB20
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* 4 CS PTD4 SPI1_PCS0 (use as GPIO)
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* 5 SCK PTD5 SPI1_SCK
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* 6 MOSI PTD6 SPI1_MOSI
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* 7 MISO PTD7 SPI1_MISO
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* 8 IRQ PTC18 PTC18
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*/
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#define PIN_SPI1_SCK PIN_SPI1_SCK_3
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#define PIN_SPI1_OUT PIN_SPI1_SOUT_3
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#define PIN_SPI1_SIN PIN_SPI1_SIN_3
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/*
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* Ethernet MAC/KSZ8081 PHY
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* ------------------------
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* ------------ ----------------- --------------------------------------------
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* KSZ8081 Board Signal(s) K66F Pin
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* Pin Signal Function pinmux Name
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* --- -------- ----------------- --------------------------------------------
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* 1 VDD_1V2 VDDPLL_1.2V --- ---
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* 2 VDDA_3V3 VDDA_ENET --- ---
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* 3 RXM ENET1_RX- --- ---
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* 4 RXP ENET1_RX+ --- ---
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* 5 TXM ENET1_TX- --- ---
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* 6 TXP ENET1_TX+ --- ---
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* 7 X0 RMII_XTAL0 --- ---
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* 8 XI RMII_XTAL1 --- ---
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* 9 REXT --- ---, Apparently not connected ---
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* 10 MDIO RMII0_MDIO PTB0/RMII0_MDIO PIN_RMII0_MDIO
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* 11 MDC RMII0_MDC PTB1/RMII0_MDC PIN_RMII0_MDC
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* 12 RXD1 RMII0_RXD_1 PTA12/RMII0_RXD1 PIN_RMII0_RXD1
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* 13 RXD0 RMII0_RXD_0 PTA13/RMII0_RXD0 PIN_RMII0_RXD0
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* 14 VDDIO VDDIO_ENET --- ---
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* 15 CRS_DIV PTA14/RMII0_CRS_DV PIN_RMII0_CRS_DV
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* 16 REF_CLK PTE26 PTE26(Ethernet clock) PTE26/ENET_1588_CLKIN
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* 17 RXER RMII0_RXER PTA5/RMII0_RXER PIN_RMII0_RXER
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* 18 INTRP RMII0_INT_B, J14 Pin 2, Apparently not ---
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* PHY_INT_1 available unless jumpered
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* 19 TXEN RMII0_TXEN PTA15/RMII0_TXEN PIN_RMII0_TXEN
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* 20 TXD0 RMII0_TXD_0 PTA16/RMII0_TXD0 PIN_RMII0_TXD0
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* 21 TXD1 RMII0_TXD_1 PTA17/RMII0_TXD1 PIN_RMII0_TXD1
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* 22 GND1 --- --- ---
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* 24 nRST PHY_RST_B --- ---
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* 25 GND2 --- --- ---
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* --- -------- ----------------- --------------------------------------------
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*
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*/
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#define PIN_RMII0_MDIO PIN_RMII0_MDIO_1
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#define PIN_RMII0_MDC PIN_RMII0_MDC_1
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#endif /* __CONFIG_FREEDOM_K66F_INCLUDE_BOARD_H */
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