/************************************************************************************ * configs/beaglebone-black/include/board.h * * Copyright (C) 2018 Petro Karashchenko. All rights reserved. * Author: Petro Karashchenko * * 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_BEAGLEBONE_BLACK_INCLUDE_BOARD_H #define __CONFIGS_BEAGLEBONE_BLACK_INCLUDE_BOARD_H /************************************************************************************ * Included Files ************************************************************************************/ #include #include "hardware/am335x_pinmux.h" /************************************************************************************ * Pre-processor Definitions ************************************************************************************/ /* Clocking *************************************************************************/ /* Since NuttX is booted from a loader on the AM335X, clocking should already be setup * when NuttX starts. */ /* LED definitions ******************************************************************/ /* The beaglebone black has four user LEDs; all four can be controlled from software. * All are tied to ground and, hence, illuminated by driving the output pins to a high * value: * * 1. LED0 GPMC_A5 GPMC_A5/GMII2_TXD0/RGMII2_TD0/RMII2_TXD0/GPMC_A21/PR1_MII1_RXD3/ * eQEP1B_IN/GPIO1_21 * 2. LED1 GPMC_A6 GPMC_A6/GMII2_TXCLK/RGMII2_TCLK/MMC2_DAT4/GPMC_A22/PR1_MII1_RXD2/ * eQEP1_INDEX/GPIO1_22 * 3. LED2 GPMC_A7 GPMC_A7/GMII2_RXCLK/RGMII2_RCLK/MMC2_DAT5/GPMC_A23/PR1_MII1_RXD1/ * eQEP1_STROBE/GPIO1_23 * 4. LED3 GPMC_A8 GPMC_A8/GMII2_RXD3/RGMII2_RD3/MMC2_DAT6/GPMC_A24/PR1_MII1_RXD0/ * MCASP0_ACLKX/GPIO1_24 */ /* LED index values for use with board_userled() */ #define USER_LED0 0 #define USER_LED1 1 #define USER_LED2 2 #define USER_LED3 3 #define BOARD_NLEDS 4 /* LED bits for use with board_userled_all() */ #define BOARD_LED0_BIT (1 << USER_LED0) #define BOARD_LED1_BIT (1 << USER_LED1) #define BOARD_LED2_BIT (1 << USER_LED2) #define BOARD_LED3_BIT (1 << USER_LED3) /* These LEDs are 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/am335x_leds.c. The LEDs are used to encode OS-related * events as follows: * * SYMBOL Value Meaning LED state * LED0 LED1 LED2 * ----------------- ----- ----------------------- ---- ---- ------------ */ #define LED_STARTED 0 /* NuttX has been started ON OFF OFF */ #define LED_HEAPALLOCATE 1 /* Heap has been allocated OFF ON OFF */ #define LED_IRQSENABLED 2 /* Interrupts enabled ON ON OFF */ #define LED_STACKCREATED 2 /* Idle stack created ON ON OFF */ #define LED_INIRQ 3 /* In an interrupt N/C N/C Soft glow */ #define LED_SIGNAL 3 /* In a signal handler N/C N/C Soft glow */ #define LED_ASSERTION 3 /* An assertion failed N/C N/C Soft glow */ #define LED_PANIC 3 /* The system has crashed N/C N/C 2Hz Flashing */ /* LED_IDLE --- /* MCU is is sleep mode Not used * * After booting, LED0 and 1 are not longer used by the system and can be used for * other purposes by the application (Of course, all LEDs are available to the * application if CONFIG_ARCH_LEDS is not defined. */ /* NAND *****************************************************************************/ /* GPIO pin disambiguation **********************************************************/ /* UARTs ****************************************************************************/ /* One UART connections is available: * * 1. UART0 is available on FT2232H USB to Serial Adapter. * * FT2232H BDBUS1 Pin UART0-RXD UART0_RXD/SPI1_CS0/DCAN0_TX/I2C2_SDA/ eCAP2_IN_PWM2_OUT/PR1_PRU1_PRU_R30_14/ * PR1_PRU1_PRU_R31_14/GPIO1_10 * FT2232H BDBUS0 Pin UART0-TXD UART0_TXD/SPI1_CS1/DCAN0_RX/I2C2_SCL/ * eCAP1_IN_PWM1_OUT/PR1_PRU1_PRU_R30_15/ * PR1_PRU1_PRU_R31_15/GPIO1_11 */ /************************************************************************************ * Assembly Language Macros ************************************************************************************/ #ifdef __ASSEMBLY__ .macro config_sdram .endm #endif /* __ASSEMBLY__ */ #endif /* __CONFIGS_BEAGLEBONE_BLACK_INCLUDE_BOARD_H */