159 lines
6.7 KiB
C
159 lines
6.7 KiB
C
/****************************************************************************
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* boards/arm/am335x/beaglebone-black/include/board.h
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*
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* Copyright (C) 2018 Petro Karashchenko. All rights reserved.
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* Author: Petro Karashchenko <petro.karashchenko@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_AM335X_BEAGLEBONE_BLACK_INCLUDE_BOARD_H
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#define __BOARDS_ARM_AM335X_BEAGLEBONE_BLACK_INCLUDE_BOARD_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include "hardware/am335x_pinmux.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Clocking *****************************************************************/
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/* Since NuttX is booted from a loader on the AM335X, clocking should already
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* be setup when NuttX starts.
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*/
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/* LED definitions **********************************************************/
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/* The beaglebone black has four user LEDs; all four can be controlled from
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* software.
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* All are tied to ground and, hence, illuminated by driving the output pins
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* to a high value:
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*
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* 1. LED0 GPMC_A5 GPMC_A5/GMII2_TXD0/RGMII2_TD0/RMII2_TXD0/GPMC_A21/
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* PR1_MII1_RXD3/eQEP1B_IN/GPIO1_21
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* 2. LED1 GPMC_A6 GPMC_A6/GMII2_TXCLK/RGMII2_TCLK/MMC2_DAT4/GPMC_A22/
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* PR1_MII1_RXD2/eQEP1_INDEX/GPIO1_22
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* 3. LED2 GPMC_A7 GPMC_A7/GMII2_RXCLK/RGMII2_RCLK/MMC2_DAT5/GPMC_A23/
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* PR1_MII1_RXD1/eQEP1_STROBE/GPIO1_23
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* 4. LED3 GPMC_A8 GPMC_A8/GMII2_RXD3/RGMII2_RD3/MMC2_DAT6/GPMC_A24/
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* PR1_MII1_RXD0/MCASP0_ACLKX/GPIO1_24
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*/
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/* LED index values for use with board_userled() */
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#define USER_LED0 0
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#define USER_LED1 1
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#define USER_LED2 2
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#define USER_LED3 3
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#define BOARD_NLEDS 4
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/* LED bits for use with board_userled_all() */
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#define BOARD_LED0_BIT (1 << USER_LED0)
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#define BOARD_LED1_BIT (1 << USER_LED1)
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#define BOARD_LED2_BIT (1 << USER_LED2)
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#define BOARD_LED3_BIT (1 << USER_LED3)
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/* These LEDs are not used by the board port unless CONFIG_ARCH_LEDS is
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* defined. In that case, the usage by the board port is defined in
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* include/board.h and src/am335x_leds.c.
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* The LEDs are used to encode OS-related events as follows:
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*
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* SYMBOL Value Meaning LED state
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* LED0 LED1 LED2
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* ----------------- ----- ----------------------- ---- ---- ---------*
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*/
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#define LED_STARTED 0 /* NuttX has been started ON OFF OFF */
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#define LED_HEAPALLOCATE 1 /* Heap has been allocated OFF ON OFF */
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#define LED_IRQSENABLED 2 /* Interrupts enabled ON ON OFF */
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#define LED_STACKCREATED 2 /* Idle stack created ON ON OFF */
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#define LED_INIRQ 3 /* In an interrupt N/C N/C Soft glow */
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#define LED_SIGNAL 3 /* In a signal handler N/C N/C Soft glow */
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#define LED_ASSERTION 3 /* An assertion failed N/C N/C Soft glow */
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#define LED_PANIC 3 /* The system has crashed N/C N/C 2Hz Flashing */
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/* LED_IDLE --- /* MCU is is sleep mode Not used
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*
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* After booting, LED0 and 1 are not longer used by the system and can be
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* used for other purposes by the application (Of course, all LEDs are
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* available to the application if CONFIG_ARCH_LEDS is not defined.
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*/
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/* NAND *********************************************************************/
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/* GPIO pin disambiguation **************************************************/
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/* UARTs ********************************************************************/
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/* One UART connections is available:
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*
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* 1. UART0 is available on FT2232H USB to Serial Adapter.
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*
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* FT2232H BDBUS1 Pin UART0-RXD UART0_RXD/SPI1_CS0/DCAN0_TX/I2C2_SDA/
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* eCAP2_IN_PWM2_OUT/PR1_PRU1_PRU_R30_14/
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* PR1_PRU1_PRU_R31_14/GPIO1_10
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* FT2232H BDBUS0 Pin UART0-TXD UART0_TXD/SPI1_CS1/DCAN0_RX/I2C2_SCL/
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* eCAP1_IN_PWM1_OUT/PR1_PRU1_PRU_R30_15/
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* PR1_PRU1_PRU_R31_15/GPIO1_11
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*/
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/* I2Cs *********************************************************************/
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#define GPIO_I2C1_SCL GPIO_I2C1_SCL_2
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#define GPIO_I2C1_SCL GPIO_I2C1_SDA_2
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#define GPIO_I2C2_SCL GPIO_I2C2_SCL_1
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#define GPIO_I2C2_SCL GPIO_I2C2_SDA_1
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/* CANs *********************************************************************/
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#define GPIO_DCAN0_RX GPIO_DCAN0_RX_3
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#define GPIO_DCAN0_TX GPIO_DCAN0_TX_3
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#define GPIO_DCAN1_RX GPIO_DCAN1_RX_3
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#define GPIO_DCAN1_TX GPIO_DCAN1_TX_3
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/****************************************************************************
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* Assembly Language Macros
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****************************************************************************/
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#ifdef __ASSEMBLY__
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.macro config_sdram
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.endm
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_AM335X_BEAGLEBONE_BLACK_INCLUDE_BOARD_H */
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