142 lines
5.8 KiB
C
142 lines
5.8 KiB
C
/****************************************************************************
|
|
* boards/arm/am335x/beaglebone-black/include/board.h
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __BOARDS_ARM_AM335X_BEAGLEBONE_BLACK_INCLUDE_BOARD_H
|
|
#define __BOARDS_ARM_AM335X_BEAGLEBONE_BLACK_INCLUDE_BOARD_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.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
|
|
*/
|
|
|
|
/* I2Cs *********************************************************************/
|
|
|
|
#define GPIO_I2C1_SCL GPIO_I2C1_SCL_2
|
|
#define GPIO_I2C1_SCL GPIO_I2C1_SDA_2
|
|
|
|
#define GPIO_I2C2_SCL GPIO_I2C2_SCL_1
|
|
#define GPIO_I2C2_SCL GPIO_I2C2_SDA_1
|
|
|
|
/* CANs *********************************************************************/
|
|
|
|
#define GPIO_DCAN0_RX GPIO_DCAN0_RX_3
|
|
#define GPIO_DCAN0_TX GPIO_DCAN0_TX_3
|
|
|
|
#define GPIO_DCAN1_RX GPIO_DCAN1_RX_3
|
|
#define GPIO_DCAN1_TX GPIO_DCAN1_TX_3
|
|
|
|
/****************************************************************************
|
|
* Assembly Language Macros
|
|
****************************************************************************/
|
|
|
|
#ifdef __ASSEMBLY__
|
|
.macro config_sdram
|
|
.endm
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* __BOARDS_ARM_AM335X_BEAGLEBONE_BLACK_INCLUDE_BOARD_H */
|