161 lines
6.7 KiB
C
161 lines
6.7 KiB
C
/************************************************************************************
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* configs/pcduino-a10/include/board.h
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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 __CONFIGS_PCDUINO_A10_INCLUDE_BOARD_H
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#define __CONFIGS_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 be setup
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* 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. Two
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* are tied to ground and, hence, illuminated by driving the output pins to a high
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* 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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#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 used for
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* other purposes by the application (Of course, all LEDs are available to the
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* 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. All pulled high and, hence, will be
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* 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 /* __CONFIGS_PCDUINO_A10_INCLUDE_BOARD_H */
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