/************************************************************************************ * configs/imxrt1050/include/board.h * * Copyright (C) 2018 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_IMXRT1050_EVK_INCLUDE_BOARD_H #define __CONFIGS_IMXRT1050_EVK_INCLUDE_BOARD_H /************************************************************************************ * Included Files ************************************************************************************/ #include /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ /* Clocking *************************************************************************/ /* Set VDD_SOC to 1.5V */ #define IMXRT_VDD_SOC (0x12) /* * Set Arm PLL (PLL1) to 1200Mhz = (24Mhz * 100) / 2 * Set Sys PLL (PLL2) to 528Mhz = 1 * (0 = 20 * 24Mhz = 480Mhz * 1 = 22 * 24Mhz = 528Mhz) * * Arm clock divider = 2 -> Arm Clock = 600Mhz * AHB clock divider = 1 * IPG clock divider = 4 * */ #define BOARD_XTAL_FREQUENCY 24000000 #define IMXRT_ARM_PLL_SELECT (100) #define IMXRT_SYS_PLL_SELECT (1) #define IMXRT_ARM_CLOCK_DIVIDER (1) #define IMXRT_AHB_CLOCK_DIVIDER (0) #define IMXRT_IPG_CLOCK_DIVIDER (3) #define BOARD_CPU_FREQUENCY \ (BOARD_XTAL_FREQUENCY * IMXRT_ARM_PLL_SELECT) / (IMXRT_ARM_CLOCK_DIVIDER + 1) /* LED definitions ******************************************************************/ /* There are four LED status indicators located on the EVK Board. The functions of * these LEDs include: * * - Main Power Supply(D3) * Green: DC 5V main supply is normal. * Red: J2 input voltage is over 5.6V. * Off: The board is not powered. * - Reset RED LED(D15) * - OpenSDA LED(D16) * - USER LED(D18) * * Only a single LED, D18, is under software control. */ /* LED index values for use with board_userled() */ #define BOARD_USERLED 0 #define BOARD_NLEDS 1 /* LED bits for use with board_userled_all() */ #define BOARD_USERLED_BIT (1 << BOARD_USERLED) /* This LED is not used by the board port unless CONFIG_ARCH_LEDS is * defined. In that case, the usage by the board port is defined in * include/board.h and src/imxrt_autoleds.c. The LED is used to encode * OS-related events as follows: * * -------------------- ----------------------------- ------ * SYMBOL Meaning LED * -------------------- ----------------------------- ------ */ #define LED_STARTED 0 /* NuttX has been started OFF */ #define LED_HEAPALLOCATE 0 /* Heap has been allocated OFF */ #define LED_IRQSENABLED 0 /* Interrupts enabled OFF */ #define LED_STACKCREATED 1 /* Idle stack created ON */ #define LED_INIRQ 2 /* In an interrupt N/C */ #define LED_SIGNAL 2 /* In a signal handler N/C */ #define LED_ASSERTION 2 /* An assertion failed N/C */ #define LED_PANIC 3 /* The system has crashed FLASH */ #undef LED_IDLE /* Not used */ /* 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. */ /* Button definitions ***************************************************************/ /* The IMXRT board has one external user button * * 1. SW8 (IRQ88) GPIO5-00 */ #define BUTTON_SW8 0 #define BUTTON_SW8_BIT (1 << BUTTON_SW8) /* PIO Disambiguation ***************************************************************/ /* LPUARTs * * Virtual console port provided by OpenSDA: * * UART1_TXD GPIO_AD_B0_12 LPUART1_TX * UART1_RXD GPIO_AD_B0_13 LPUART1_RX * * NOTE: There are no alternative pin configurations for LPUART1. * * Arduino RS-232 Shield: * * J22 D0 UART_RX/D0 GPIO_AD_B1_07 LPUART3_RX * J22 D1 UART_TX/D1 GPIO_AD_B1_06 LPUART3_TX */ #define GPIO_LPUART3_RX GPIO_LPUART3_RX_1 /* GPIO_AD_B1_07 */ #define GPIO_LPUART3_TX GPIO_LPUART3_TX_1 /* GPIO_AD_B1_06 */ /************************************************************************************ * Public Types ************************************************************************************/ /************************************************************************************ * Public Data ************************************************************************************/ #ifndef __ASSEMBLY__ #undef EXTERN #if defined(__cplusplus) #define EXTERN extern "C" extern "C" { #else #define EXTERN extern #endif /************************************************************************************ * Public Functions ************************************************************************************/ #undef EXTERN #if defined(__cplusplus) } #endif #endif /* __ASSEMBLY__ */ #endif /* __CONFIGS_IMXRT1050_EVK_INCLUDE_BOARD_H */