/************************************************************************************ * configs/teensy-3.x/include/board.h * include/arch/board/board.h * * Copyright (C) 2015-2017 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 __CONFIGS_TEENSY_3X_INCLUDE_BOARD_H #define __CONFIGS_TEENSY_3X_INCLUDE_BOARD_H /************************************************************************************ * Included Files ************************************************************************************/ #include #ifndef __ASSEMBLY__ # include # include #endif /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ /* Clocking *************************************************************************/ /* The teensy-3.1 has a 16MHz crystal on board */ #undef BOARD_EXTCLOCK /* Crystal */ #define BOARD_EXTAL_LP /* Low Power, as opposed to Hi Gain */ /* BOARD_FRDIV is MCG_C1_FRDIV_DIV512 from kinetis_mcg.h. According to the k20 * reference manual, when transitioning MCG clock modes to FLL Bypassed External * the C1 divider must be set so that the FLL clock is between 31.25 and 39.0625 khz. * For teensy-3.x that works out to a divider of 512. */ #define BOARD_FRDIV MCG_C1_FRDIV_DIV512 #define BOARD_EXTAL_FREQ 16000000 /* 16MHz crystal frequency (REFCLK) */ #define BOARD_XTAL32_FREQ 32768 /* 32KHz RTC Oscillator (not populated) */ /* PLL Configuration. NOTE: Only even frequency crystals are supported that will * produce a 2MHz reference clock to the PLL. The rated speed for the MK20DX256VLH7 * is 72MHz and 50MHz for the MK20DX128VLH5, but according to the PJRC website, * both can be overclocked at 96MHz * * MK20DX128VLH5 Rated Frequency 50MHz (selecting 48Mhz to use USB) * * PLL Input frequency: PLLIN = REFCLK/PRDIV = 16MHz/8 = 2MHz * PLL Output frequency: PLLOUT = PLLIN*VDIV = 2Mhz*24 = 48MHz * MCG Frequency: PLLOUT = 48MHz * * MK20DX256VLH7 Rated Frequency 72MHz * * PLL Input frequency: PLLIN = REFCLK/PRDIV = 16MHz/8 = 2MHz * PLL Output frequency: PLLOUT = PLLIN*VDIV = 2Mhz*36 = 72MHz * MCG Frequency: PLLOUT = 72MHz * * Board can be overclocked at 96MHz (per PJRC.com) * PLL Input frequency: PLLIN = REFCLK/PRDIV = 16MHz/8 = 2MHz * PLL Output frequency: PLLOUT = PLLIN*VDIV = Mhz*48 = 96MHz * MCG Frequency: PLLOUT = 96MHz */ #if defined(CONFIG_TEENSY_3X_OVERCLOCK) /* PLL Configuration */ # define BOARD_PRDIV 8 /* PLL External Reference Divider */ # define BOARD_VDIV 48 /* PLL VCO Divider (frequency multiplier) */ /* SIM CLKDIV1 dividers */ # define BOARD_OUTDIV1 1 /* Core = MCG, 96MHz */ # define BOARD_OUTDIV2 2 /* Bus = MCG/2, 48MHz */ # define BOARD_OUTDIV3 0 /* N/A = No OUTDIV3 */ # define BOARD_OUTDIV4 4 /* Flash clock = MCG/4, 24MHz */ #elif defined(CONFIG_ARCH_CHIP_MK20DX256VLH7) /* PLL Configuration */ # define BOARD_PRDIV 8 /* PLL External Reference Divider */ # define BOARD_VDIV 36 /* PLL VCO Divider (frequency multiplier) */ /* SIM CLKDIV1 dividers */ # define BOARD_OUTDIV1 1 /* Core = MCG, 72MHz */ # define BOARD_OUTDIV2 2 /* Bus = MCG/2, 36MHz */ # define BOARD_OUTDIV3 0 /* N/A = No OUTDIV3 */ # define BOARD_OUTDIV4 3 /* Flash clock = MCG/3, 72MHz */ #elif defined(CONFIG_ARCH_CHIP_MK20DX128VLH5) /* PLL Configuration */ # define BOARD_PRDIV 8 /* PLL External Reference Divider */ # define BOARD_VDIV 24 /* PLL VCO Divider (frequency multiplier) */ /* SIM CLKDIV1 dividers */ # define BOARD_OUTDIV1 1 /* Core = MCG, 48MHz */ # define BOARD_OUTDIV2 1 /* Bus = MCG/1, 48MHz */ # define BOARD_OUTDIV3 0 /* N/A = No OUTDIV3 */ # define BOARD_OUTDIV4 2 /* Flash clock = MCG/2, 24MHz */ #endif #define BOARD_PLLIN_FREQ (BOARD_EXTAL_FREQ / BOARD_PRDIV) #define BOARD_PLLOUT_FREQ (BOARD_PLLIN_FREQ * BOARD_VDIV) #define BOARD_MCG_FREQ BOARD_PLLOUT_FREQ #define BOARD_CORECLK_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV1) #define BOARD_BUS_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV2) #define BOARD_FLEXBUS_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV3) #define BOARD_FLASHCLK_FREQ (BOARD_MCG_FREQ / BOARD_OUTDIV4) /* Use MCGPLLCLK as the output SIM_SOPT2 MUX selected by * SIM_SOPT2[PLLFLLSEL] */ #define BOARD_SOPT2_PLLFLLSEL SIM_SOPT2_PLLFLLSEL_MCGPLLCLK #define BOARD_SOPT2_FREQ BOARD_MCG_FREQ /* Divider output clock = Divider input clock × [ (USBFRAC+1) / (USBDIV+1) ] * SIM_CLKDIV2_FREQ = BOARD_SOPT2_FREQ × [ (USBFRAC+1) / (USBDIV+1) ] */ #if BOARD_SOPT2_FREQ == 96000000 /* USBFRAC/USBDIV = 1/2 of 96Mhz clock = 48MHz */ # define BOARD_SIM_CLKDIV2_USBFRAC 1 # define BOARD_SIM_CLKDIV2_USBDIV 2 #elif BOARD_SOPT2_FREQ == 72000000 /* USBFRAC/USBDIV = 2/3 of 72Mhz clock = 48MHz */ # define BOARD_SIM_CLKDIV2_USBFRAC 2 # define BOARD_SIM_CLKDIV2_USBDIV 3 #elif BOARD_SOPT2_FREQ == 48000000 /* USBFRAC/USBDIV = 1/1 of 48Mhz clock = 48MHz */ # define BOARD_SIM_CLKDIV2_USBFRAC 1 # define BOARD_SIM_CLKDIV2_USBDIV 1 #endif #define BOARD_SIM_CLKDIV2_FREQ (BOARD_SOPT2_FREQ / \ BOARD_SIM_CLKDIV2_USBDIV * \ BOARD_SIM_CLKDIV2_USBFRAC) /* Use the output of SIM_SOPT2[PLLFLLSEL] as the USB clock source */ #define BOARD_USB_CLKSRC SIM_SOPT2_USBSRC #define BOARD_USB_FREQ BOARD_SIM_CLKDIV2_FREQ /* Allow USBOTG-FS Controller to Read from FLASH */ #define BOARD_USB_FLASHACCESS /* PWM Configuration */ /* FTM0 Channels */ #define GPIO_FTM0_CH0OUT PIN_FTM0_CH0_2 /* Pin 22: PTC1 */ #define GPIO_FTM0_CH1OUT PIN_FTM0_CH1_2 /* Pin 23: PTC2 */ #define GPIO_FTM0_CH2OUT PIN_FTM0_CH2_2 /* Pin 9: PTC3 */ #define GPIO_FTM0_CH3OUT PIN_FTM0_CH3 /* Pin 10: PTC4 */ #define GPIO_FTM0_CH4OUT PIN_FTM0_CH4 /* Pin 6: PTD4 */ #define GPIO_FTM0_CH5OUT PIN_FTM0_CH5_2 /* Pin 20: PTD5 */ #define GPIO_FTM0_CH6OUT PIN_FTM0_CH6_2 /* Pin 21: PTD6 */ #define GPIO_FTM0_CH7OUT PIN_FTM0_CH7_2 /* Pin 5: PTD7 */ /* FTM1 Channels */ #define GPIO_FTM1_CH0OUT PIN_FTM1_CH0_1 /* Pin 3: PTA12 */ #define GPIO_FTM1_CH1OUT PIN_FTM1_CH1_1 /* Pin 4: PTA13 */ /* FTM2 Channels */ #define GPIO_FTM2_CH0OUT PIN_FTM2_CH0 /* Pin 25: PTB18 */ #define GPIO_FTM2_CH1OUT PIN_FTM2_CH1 /* Pin 32: PTB19 */ /* LED definitions ******************************************************************/ /* A single LED is available driven by PTC5. The LED is grounded so bringing PTC5 * high will illuminate the LED. */ /* LED index values for use with board_userled() */ #define BOARD_LED 0 #define BOARD_NLEDS 1 /* LED bits for use with board_userled_all() */ #define BOARD_LED_BIT (1 << BOARD_LED) /* When CONFIG_ARCH_LEDS is defined in the NuttX configuration, NuttX will * control the LED as defined below. Thus if the LED is statically on, NuttX has * successfully booted and is, apparently, running normally. If the LED is * flashing at approximately 2Hz, then a fatal error has been detected and the * system has halted. */ #define LED_STARTED 0 /* STATUS LED=OFF */ #define LED_HEAPALLOCATE 0 /* STATUS LED=OFF */ #define LED_IRQSENABLED 0 /* STATUS LED=OFF */ #define LED_STACKCREATED 1 /* STATUS LED=ON */ #define LED_INIRQ 2 /* STATUS LED=no change */ #define LED_SIGNAL 2 /* STATUS LED=no change */ #define LED_ASSERTION 3 /* STATUS LED=no change */ #define LED_PANIC 3 /* STATUS LED=flashing */ /* Button definitions ***************************************************************/ /* The teensy-3.1 board has no standard GPIO contact buttons */ /* Alternative pin resolution *******************************************************/ /* The K20 has three UARTs with pin availability as follows: * * --------- ------ ----------- ------------------------- * UART PORT BOARD PJRC PINOUT DESCRIPTION * FUNCTION LABEL * --------- ------ ----------- ------------------------- * UART0_RX PTA1 (See above) MINI54TAN / Bootloader * PTB16 Pin 0 RX1 / Touch * PTD6 Pin 21 / A7 RX1 / CS / PWM * UART0_TX PTA2 (See above) MINI54TAN / Bootloader * PTB17 Pin 1 TX1 / Touch * PTD7 Pin 5 TX1 / PWM * --------- ------ ----------- ------------------------- * UART1_RX PTC3 Pin 9 RX2 / CS / PWM * PTE1 Pad 26 (Pad on back of board) * UART1_TX PTC4 Pin 10 TX2 / CS / PWM * PTE0 Pad 31 (Pad on back of board) * --------- ------ ----------- ------------------------- * UART2_RX PTD2 Pin 7 RX3 / DOUT * UART2_TX PTD3 Pin 8 TX3 / DIN * --------- ------ ----------- ------------------------- * * The default serial console is UART0 on pins 0 (RX) and 1 (TX). */ #ifdef CONFIG_KINETIS_UART0 # define PIN_UART0_RX PIN_UART0_RX_2 # define PIN_UART0_TX PIN_UART0_TX_2 #endif #ifdef CONFIG_KINETIS_UART1 # define PIN_UART0_RX PIN_UART1_RX_1 # define PIN_UART0_TX PIN_UART1_TX_1 #endif #ifdef CONFIG_KINETIS_I2C0 #ifdef CONFIG_TEENSY_3X_I2C_ALT_PINS # define PIN_I2C0_SCL (PIN_I2C0_SCL_1 | PIN_ALT2_OPENDRAIN | PIN_ALT2_SLOW) # define PIN_I2C0_SDA (PIN_I2C0_SDA_1 | PIN_ALT2_OPENDRAIN | PIN_ALT2_SLOW) #else # define PIN_I2C0_SCL (PIN_I2C0_SCL_2 | PIN_ALT2_OPENDRAIN | PIN_ALT2_SLOW) # define PIN_I2C0_SDA (PIN_I2C0_SDA_2 | PIN_ALT2_OPENDRAIN | PIN_ALT2_SLOW) #endif #endif /* REVISIT: Added only for clean compilation with I2C1 enabled. */ #ifdef CONFIG_KINETIS_I2C1 #ifdef CONFIG_TEENSY_3X_I2C_ALT_PINS # define PIN_I2C1_SCL (PIN_I2C1_SCL_1 | PIN_ALT2_OPENDRAIN | PIN_ALT2_SLOW) # define PIN_I2C1_SDA (PIN_I2C1_SDA_1 | PIN_ALT2_OPENDRAIN | PIN_ALT2_SLOW) #else # define PIN_I2C1_SCL (PIN_I2C1_SCL_2 | PIN_ALT2_OPENDRAIN | PIN_ALT2_SLOW) # define PIN_I2C1_SDA (PIN_I2C1_SDA_2 | PIN_ALT2_OPENDRAIN | PIN_ALT2_SLOW) #endif #endif /************************************************************************************ * Public Data ************************************************************************************/ #ifndef __ASSEMBLY__ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /************************************************************************************ * Public Function Prototypes ************************************************************************************/ /************************************************************************************ * Name: kinetis_boardinitialize * * Description: * All STM32 architectures must provide the following entry point. This entry point * is called early in the initialization -- after all memory has been configured * and mapped but before any devices have been initialized. * ************************************************************************************/ void kinetis_boardinitialize(void); #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __ASSEMBLY__ */ #endif /* __CONFIGS_TEENSY_3X_INCLUDE_BOARD_H */