nuttx/configs/beaglebone-black/include/board.h

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/************************************************************************************
* configs/beaglebone-black/include/board.h
*
* Copyright (C) 2018 Petro Karashchenko. All rights reserved.
* Author: Petro Karashchenko <petro.karashchenko@gmail.com>
*
* 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 <nuttx/config.h>
#include "chip/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 */