151 lines
5.9 KiB
C
151 lines
5.9 KiB
C
/****************************************************************************
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* boards/arm/am335x/beaglebone-black/src/beaglebone-black.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_BEAGLEBONE_BLACK_SRC_BEAGLEBONE_BLACK_H
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#define __BOARDS_ARM_BEAGLEBONE_BLACK_SRC_BEAGLEBONE_BLACK_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 <nuttx/compiler.h>
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#include <stdint.h>
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#include <arch/irq.h>
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#include <nuttx/irq.h>
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#include "am335x_gpio.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* LCD **********************************************************************/
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#define HAVE_LCD 1
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#define HAVE_TDA19988 1
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#if !defined(CONFIG_AM335X_LCDC) || !defined(CONFIG_VIDEO_EDID)
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# undef HAVE_LCD
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# undef HAVE_TDA19988
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#elif !defined(CONFIG_LCD_TDA19988) || !defined(CONFIG_AM335X_I2C2)
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# undef HAVE_TDA19988
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# if !defined(CONFIG_BEAGLEBONE_VIDEOMODE)
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# define CONFIG_BEAGLEBONE_VIDEOMODE "640x480x60"
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# endif
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#endif
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#if defined(HAVE_LCD)
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# define TDA19988_I2CBUS 2
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# define TDA19988_HDMI_I2CADDR 0x70
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# define TDA19988_CEC_I2CADDR 0x34
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# define TDA19988_I2CFREQUENCY 400000
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#endif
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/* LEDs *********************************************************************/
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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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#define GPIO_LED0 (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | GPIO_PORT1 | GPIO_PIN21)
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#define GPIO_LED1 (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | GPIO_PORT1 | GPIO_PIN22)
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#define GPIO_LED2 (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | GPIO_PORT1 | GPIO_PIN23)
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#define GPIO_LED3 (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | GPIO_PORT1 | GPIO_PIN24)
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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 Meaning LED state
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* LED1 LED3 LED4
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* ----------------- ----------------------- ---- ---- ---- ------------
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* LED_STARTED NuttX has been started ON OFF OFF
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* LED_HEAPALLOCATE Heap has been allocated OFF ON OFF
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* LED_IRQSENABLED Interrupts enabled ON ON OFF
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* LED_STACKCREATED Idle stack created ON ON OFF
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* LED_INIRQ In an interrupt N/C N/C Soft glow
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* LED_SIGNAL In a signal handler N/C N/C Soft glow
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* LED_ASSERTION An assertion failed N/C N/C Soft glow
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* LED_PANIC 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, LED1 and 3 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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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Public Functions Definitions
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****************************************************************************/
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/****************************************************************************
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* Name: am335x_bringup
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*
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* Description:
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* Perform architecture-specific initialization
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*
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* CONFIG_BOARD_LATE_INITIALIZE=y :
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* Called from board_late_initialize().
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*
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* CONFIG_BOARD_LATE_INITIALIZE=n && CONFIG_BOARDCTL=y :
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* Called from the NSH library
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*
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****************************************************************************/
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int am335x_bringup(void);
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/****************************************************************************
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* Name: am335x_led_initialize
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*
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* Description:
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* Configure LEDs. LEDs are left in the OFF state.
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*
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****************************************************************************/
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void am335x_led_initialize(void);
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_BEAGLEBONE_BLACK_SRC_BEAGLEBONE_BLACK_H */
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