151 lines
5.9 KiB
C
151 lines
5.9 KiB
C
/****************************************************************************
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* boards/arm/a1x/pcduino-a10/include/board.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_A1X_PCDUINO_A10_INCLUDE_BOARD_H
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#define __BOARDS_ARM_A1X_PCDUINO_A10_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/a1x_piocfg.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 A10, 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 pcDuino v1 has four green LEDs; three can be controlled from software.
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* Two 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. LED1 SPI0_CLK SPI0_CLK/UART5_RX/EINT23/PI11
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* 2. LED5 IPSOUT From the PMU (not controllable by software)
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*
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* And two are pull high and, hence, illuminated by grounding the output:
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*
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* 3. LED3 RX_LED LCD1_D16/ATAD12/KP_IN6/SMC_DET/EINT16/CSI1_D16/PH16
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* 4. LED4 TX_LED LCD1_D15/ATAD11/KP_IN5/SMC_VPPPP/EINT15/CSI1_D15/PH15
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*/
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/* LED index values for use with board_userled() */
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#define BOARD_LED1 0
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#define BOARD_LED3 1
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#define BOARD_LED4 2
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#define BOARD_NLEDS 3
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/* LED bits for use with board_userled_all() */
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#define BOARD_LED1_BIT (1 << BOARD_LED1)
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#define BOARD_LED3_BIT (1 << BOARD_LED3)
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#define BOARD_LED4_BIT (1 << BOARD_LED4)
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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/a1x_leds.c. The LEDs are used to encode OS-related
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* events as follows:
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*
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* SYMBOL Value Meaning LED state
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* LED1 LED3 LED4
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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, 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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/* Button definitions *******************************************************/
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/* There are a total of five switches on-board.
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* All pulled high and, hence, will be sensed as low when closed.
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*
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* SW1 Reset (not available to software)
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* SW2 UBOOT UBOOT_SEL (?)
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* SW3 Key_Back LCD1_D17/ATAD13/KP_IN7/SMC_VCCEN/EINT17/CSI1_D17/PH17
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* SW4 Key_Home LCD1_D18/ATAD14/KP_OUT0/SMC_SLK/EINT18/CSI1_D18/PH18
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* SW5 Key_Menu LCD1_D19/ATAD15/KP_OUT1/SMC_SDA/EINT19/CSI1_D19/PH19
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*/
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#define BUTTON_KEY_BACK 0
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#define BUTTON_KEY_HOME 1
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#define BUTTON_KEY_MENU 2
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#define NUM_BUTTONS 3
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#define BUTTON_KEY_BACK_BIT (1 << BUTTON_KEY_BACK)
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#define BUTTON_KEY_HOME_BIT (1 << BUTTON_KEY_HOME)
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#define BUTTON_KEY_MENU_BIT (1 << BUTTON_KEY_MENU)
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/* NAND *********************************************************************/
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/* GPIO pin disambiguation **************************************************/
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/* UARTs ********************************************************************/
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/* Two UART connections are available:
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*
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* 1. UART0 is available on J5 Debug Port.
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*
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* J15 Pin 1 Rx UART0-RX UART0_RX/IR1_RX/PB23
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* J15 Pin 2 Tx UART0-TX UART0_TX/IR1_TX/PB22
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*
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* 2. UART2 is available on J11
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*
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* J11 Pin1 UART-Rx / GPIO0 UART2_RX EINT31/SPI1_MISO/UART2_RX/PI19
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* J11 Pin2 UART-Tx / GPIO1 UART2_TX EINT30/SPI1_MOSI/UART2_TX/PI18
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*/
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#define PIO_UART0_RX PIO_UART0_RX_1
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#define PIO_UART0_TX PIO_UART0_TX_1
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#define PIO_UART2_RX PIO_UART2_RX_1
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#define PIO_UART2_TX PIO_UART2_TX_1
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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_A1X_PCDUINO_A10_INCLUDE_BOARD_H */
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