| /**************************************************************************** |
| * 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 */ |
