/************************************************************************************ * configs/twr-k64f120m/include/board.h * * Copyright (C) 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_TWR_K64F120M_INCLUDE_BOARCH_H #define __CONFIGS_TWR_K64F120M_INCLUDE_BOARCH_H /************************************************************************************ * Included Files ************************************************************************************/ #include #ifndef __ASSEMBLY__ # include #endif /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ /* Clocking *************************************************************************/ /* The K64 tower board uses a 50MHz external clock */ #define BOARD_EXTCLOCK 1 /* External clock */ #define BOARD_EXTAL_FREQ 50000000 /* 50MHz Oscillator */ #define BOARD_XTAL32_FREQ 32768 /* 32KHz RTC Oscillator */ /* PLL Configuration. Either the external clock or crystal frequency is used to * select the PRDIV value. Only reference clock frequencies are supported that will * produce a range 2MHz-4MHz reference clock to the PLL. * * PLL Input frequency: PLLIN = REFCLK/PRDIV = 50MHz/20 = 2.5 MHz * PLL Output frequency: PLLOUT = PLLIN*VDIV = 2.5Mhz*48 = 120MHz * MCG Frequency: PLLOUT = 120 Mhz */ #define BOARD_PRDIV 20 /* PLL External Reference Divider */ #define BOARD_VDIV 48 /* PLL VCO Divider (frequency multiplier) */ #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 additional MCG_C2 Setting */ #define BOARD_MCG_C2_FCFTRIM 0 /* Do not enable FCFTRIM */ #define BOARD_MCG_C2_LOCRE0 MCG_C2_LOCRE0 /* Enable reset on loss of clock */ /* SIM CLKDIV1 dividers */ #define BOARD_OUTDIV1 1 /* Core = MCG, 120MHz */ #define BOARD_OUTDIV2 2 /* Bus = MCG/2, 60MHz */ #define BOARD_OUTDIV3 2 /* FlexBus = MCG/2, 60MHz */ #define BOARD_OUTDIV4 5 /* Flash clock = MCG/5, 24MHz */ #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) /* SDHC clocking ********************************************************************/ /* SDCLK configurations corresponding to various modes of operation. Formula is: * * SDCLK frequency = (base clock) / (prescaler * divisor) * * The SDHC module is always configure configured so that the core clock is the base * clock. */ /* Identification mode: 375KHz = 120MHz / ( 64 * 5) <= 400 KHz */ #define BOARD_SDHC_IDMODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV64 #define BOARD_SDHC_IDMODE_DIVISOR SDHC_SYSCTL_DVS_DIV(5) /* MMC normal mode: 15MHz = 120MHz / (8 * 1) <= 16 MHz*/ #define BOARD_SDHC_MMCMODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV8 #define BOARD_SDHC_MMCMODE_DIVISOR SDHC_SYSCTL_DVS_DIV(1) /* SD normal mode (1-bit): 15MHz = 120MHz / (8 * 1) <= 16 MHz*/ #define BOARD_SDHC_SD1MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV8 #define BOARD_SDHC_SD1MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(1) /* SD normal mode (4-bit): 20MHz = 120MHz / (2 * 3) (with DMA) <= 24MHz * SD normal mode (4-bit): 15MHz = 120MHz / (8 * 1) (no DMA) <= 16MHz */ #ifdef CONFIG_SDIO_DMA # define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV2 # define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(3) #else # define BOARD_SDHC_SD4MODE_PRESCALER SDHC_SYSCTL_SDCLKFS_DIV8 # define BOARD_SDHC_SD4MODE_DIVISOR SDHC_SYSCTL_DVS_DIV(1) #endif /* LED definitions ******************************************************************/ /* The TWR-K64F120M has four LEDs: * * 1. D5 / Green LED PTE6 * 2. D6 / Yellow LED PTE7 * 3. D7 / Orange LED PTE8 * 4 D9 / Blue LED PTE9 * * LED4 is reservered for user. * The 3 first LEDs are encoded as follows: */ #define LED_STARTED 0 /* N/A */ #define LED_HEAPALLOCATE 1 /* N/A */ #define LED_IRQSENABLED 2 /* N/A */ #define LED_STACKCREATED 3 /* LED1 - OS is started */ #define LED_INIRQ 4 /* LED2 */ #define LED_SIGNAL 5 /* LED3 */ #define LED_ASSERTION 6 /* LED1 + LED2 + LED3 */ #define LED_PANIC 7 /* LED1 (blink) */ /* Open SDA serial link */ #define PIN_UART1_RX PIN_UART1_RX_1 #define PIN_UART1_TX PIN_UART1_TX_1 /* Ethernet */ #ifdef CONFIG_KINETIS_ENET # define CONFIG_KINETIS_NENET 1 #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 intitialization -- 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_TWR_K64F120M_INCLUDE_BOARCH_H */