/************************************************************************************ * configs/imxrt1050/include/board.h * * Copyright (C) 2018 Gregory Nutt. All rights reserved. * Authors: Gregory Nutt * David Sidrane * Dave Marples * * 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 1.25V */ #define IMXRT_VDD_SOC (0x12) /* Set Arm PLL (PLL1) to fOut = (24Mhz * ARM_PLL_DIV_SELECT/2) / ARM_PODF_DIVISOR * 600Mhz = (24Mhz * ARM_PLL_DIV_SELECT/2) / ARM_PODF_DIVISOR * ARM_PLL_DIV_SELECT = 100 * ARM_PODF_DIVISOR = 2 * 600Mhz = (24Mhz * 100/2) / 2 * * AHB_CLOCK_ROOT = PLL1fOut / IMXRT_AHB_PODF_DIVIDER * 1Hz to 600 Mhz = 600Mhz / IMXRT_ARM_CLOCK_DIVIDER * IMXRT_ARM_CLOCK_DIVIDER = 1 * 600Mhz = 600Mhz / 1 * * PRE_PERIPH_CLK_SEL = PRE_PERIPH_CLK_SEL_PLL1 * PERIPH_CLK_SEL = 1 (0 select PERIPH_CLK2_PODF, 1 select PRE_PERIPH_CLK_SEL_PLL1) * PERIPH_CLK = 600Mhz * * IPG_CLOCK_ROOT = AHB_CLOCK_ROOT / IMXRT_IPG_PODF_DIVIDER * IMXRT_IPG_PODF_DIVIDER = 4 * 150Mhz = 600Mhz / 4 * * PRECLK_CLOCK_ROOT = IPG_CLOCK_ROOT / IMXRT_PERCLK_PODF_DIVIDER * IMXRT_PERCLK_PODF_DIVIDER = 1 * 150Mhz = 150Mhz / 1 * * SEMC_CLK_ROOT = 600Mhz / IMXRT_SEMC_PODF_DIVIDER (labeled AIX_PODF in 18.2) * IMXRT_SEMC_PODF_DIVIDER = 8 * 75Mhz = 600Mhz / 8 * * Set Sys PLL (PLL2) to fOut = (24Mhz * (20+(2*(DIV_SELECT))) * 528Mhz = (24Mhz * (20+(2*(1))) * * Set USB1 PLL (PLL3) to fOut = (24Mhz * 20) * 480Mhz = (24Mhz * 20) */ #define BOARD_XTAL_FREQUENCY 24000000 #define IMXRT_PRE_PERIPH_CLK_SEL CCM_CBCMR_PRE_PERIPH_CLK_SEL_PLL1 #define IMXRT_PERIPH_CLK_SEL CCM_CBCDR_PERIPH_CLK_SEL_PRE_PERIPH #define IMXRT_ARM_PLL_DIV_SELECT 100 #define IMXRT_ARM_PODF_DIVIDER 2 #define IMXRT_AHB_PODF_DIVIDER 1 #define IMXRT_IPG_PODF_DIVIDER 4 #define IMXRT_PERCLK_CLK_SEL CCM_CSCMR1_PERCLK_CLK_SEL_IPG_CLK_ROOT #define IMXRT_PERCLK_PODF_DIVIDER 9 #define IMXRT_SEMC_PODF_DIVIDER 8 #define IMXRT_LPSPI_CLK_SELECT CCM_CBCMR_LPSPI_CLK_SEL_PLL3_PFD0 #define IMXRT_LSPI_PODF_DIVIDER 8 #define IMXRT_USDHC1_CLK_SELECT CCM_CSCMR1_USDHC1_CLK_SEL_PLL2_PFD0 #define IMXRT_USDHC1_PODF_DIVIDER 2 #define IMXRT_SYS_PLL_SELECT CCM_ANALOG_PLL_SYS_DIV_SELECT_22 #define BOARD_CPU_FREQUENCY \ (BOARD_XTAL_FREQUENCY * (IMXRT_ARM_PLL_DIV_SELECT / 2)) / IMXRT_ARM_PODF_DIVIDER /* 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) /* SDIO *****************************************************************************/ /* Pin drive characteristics - drive strength in particular may need tuning for * specific boards, but has been checked by scope on the EVKB to make sure shapes * are square with minimal ringing. */ #define USDHC1_DATAX_IOMUX (IOMUX_SLEW_FAST | IOMUX_DRIVE_130OHM | \ IOMUX_PULL_UP_47K | IOMUX_SCHMITT_TRIGGER) #define USDHC1_CMD_IOMUX (IOMUX_SLEW_FAST | IOMUX_DRIVE_130OHM | \ IOMUX_PULL_UP_47K | IOMUX_SCHMITT_TRIGGER) #define USDHC1_CLK_IOMUX (IOMUX_SLEW_FAST | IOMUX_DRIVE_130OHM | IOMUX_SPEED_MAX) #define USDHC1_CD_IOMUX (0) #define PIN_USDHC1_D0 (GPIO_USDHC1_DATA0 | USDHC1_DATAX_IOMUX) #define PIN_USDHC1_D1 (GPIO_USDHC1_DATA1 | USDHC1_DATAX_IOMUX) #define PIN_USDHC1_D2 (GPIO_USDHC1_DATA2 | USDHC1_DATAX_IOMUX) #define PIN_USDHC1_D3 (GPIO_USDHC1_DATA3 | USDHC1_DATAX_IOMUX) #define PIN_USDHC1_DCLK (GPIO_USDHC1_CLK | USDHC1_CLK_IOMUX) #define PIN_USDHC1_CMD (GPIO_USDHC1_CMD | USDHC1_CMD_IOMUX) #define PIN_USDHC1_CD (GPIO_USDHC1_CD_2 | USDHC1_CD_IOMUX) /* 386 KHz for initial inquiry stuff */ #define BOARD_USDHC_IDMODE_PRESCALER USDHC_SYSCTL_SDCLKFS_DIV256 #define BOARD_USDHC_IDMODE_DIVISOR USDHC_SYSCTL_DVS_DIV(2) /* 24.8MHz for other modes */ #define BOARD_USDHC_MMCMODE_PRESCALER USDHC_SYSCTL_SDCLKFS_DIV8 #define BOARD_USDHC_MMCMODE_DIVISOR USDHC_SYSCTL_DVS_DIV(1) #define BOARD_USDHC_SD1MODE_PRESCALER USDHC_SYSCTL_SDCLKFS_DIV8 #define BOARD_USDHC_SD1MODE_DIVISOR USDHC_SYSCTL_DVS_DIV(1) #define BOARD_USDHC_SD4MODE_PRESCALER USDHC_SYSCTL_SDCLKFS_DIV8 #define BOARD_USDHC_SD4MODE_DIVISOR USDHC_SYSCTL_DVS_DIV(1) /* ETH Disambiguation ***************************************************************/ #define GPIO_ENET_MDIO GPIO_ENET_MDIO_3 #define GPIO_ENET_MDC GPIO_ENET_MDC_3 #define GPIO_ENET_RX_EN GPIO_ENET_RX_EN_1 #define GPIO_ENET_RX_ER GPIO_ENET_RX_ER_1 #define GPIO_ENET_TX_CLK GPIO_ENET_TX_CLK_1 #define GPIO_ENET_TX_EN GPIO_ENET_TX_EN_1 /* 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 */ /* LPI2Cs * * Arduino Connector * * J23 A4 A4/ADC4/SDA GPIO_AD_B1_01 LPI2C1_SDA * J23 A5 A5/ADC5/SCL GPIO_AD_B1_00 LPI2C1_SCL */ #define GPIO_LPI2C1_SDA GPIO_LPI2C1_SDA_2 /* GPIO_AD_B1_01 */ #define GPIO_LPI2C1_SCL GPIO_LPI2C1_SCL_2 /* GPIO_AD_B1_00 */ #define GPIO_LPI2C3_SDA GPIO_LPI2C3_SDA_2 /* GPIO_AD_B1_01 */ #define GPIO_LPI2C3_SCL GPIO_LPI2C3_SCL_2 /* GPIO_AD_B1_00 */ /* LPSPI * * Arduino Connector * * J24 D09 GPIO_AD_B0_02 LPSPI3_SDI * J24 D14 GPIO_AD_B0_01 LPSPI3_SDO * J24 D15 GPIO_AD_B0_00 LPSPI3_SCK */ #define GPIO_LPSPI3_SCK GPIO_LPSPI3_SCK_2 /* GPIO_AD_B0_00 */ #define GPIO_LPSPI3_MISO GPIO_LPSPI3_SDI_2 /* GPIO_AD_B0_02 */ #define GPIO_LPSPI3_MOSI GPIO_LPSPI3_SDO_2 /* GPIO_AD_B0_01 */ /************************************************************************************ * 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 */