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/************************************************************************************
* configs/pcduino-a10/include/board.h
*
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
************************************************************************************/
#ifndef __CONFIGS_PCDUINO_A10_INCLUDE_BOARD_H
#define __CONFIGS_PCDUINO_A10_INCLUDE_BOARD_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include "chip/a1x_piocfg.h"
/************************************************************************************
* Definitions
************************************************************************************/
/* Clocking *************************************************************************/
/* Since NuttX is booted from a loader on the A10, clocking should already be setup
* when NuttX starts.
*/
/* LED definitions ******************************************************************/
/* The pcDuino v1 has four green LEDs; three can be controlled from software. Two
* are tied to ground and, hence, illuminated by driving the output pins to a high
* value:
*
* 1. LED1 SPI0_CLK SPI0_CLK/UART5_RX/EINT23/PI11
* 2. LED5 IPSOUT From the PMU (not controllable by software)
*
* And two are pull high and, hence, illuminated by grounding the output:
*
* 3. LED3 RX_LED LCD1_D16/ATAD12/KP_IN6/SMC_DET/EINT16/CSI1_D16/PH16
* 4. LED4 TX_LED LCD1_D15/ATAD11/KP_IN5/SMC_VPPPP/EINT15/CSI1_D15/PH15
*/
/* LED index values for use with a1x_setled() */
#define BOARD_LED1 0
#define BOARD_LED3 1
#define BOARD_LED4 2
#define BOARD_NLEDS 3
/* LED bits for use with a1x_setleds() */
#define BOARD_LED1_BIT (1 << BOARD_LED1)
#define BOARD_LED3_BIT (1 << BOARD_LED3)
#define BOARD_LED4_BIT (1 << BOARD_LED4)
/* 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/a1x_leds.c. The LEDs are used to encode OS-related
* events as follows:
*
* SYMBOL Value Meaning LED state
* LED1 LED3 LED4
* ----------------- ----- ----------------------- ---- ---- ------------ */
#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, LED1 and 3 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.
*/
/* Button definitions ***************************************************************/
/* There are a total of five switches on-board. All pulled high and, hence, will be
* sensed as low when closed.
*
* SW1 Reset (not available to software)
* SW2 UBOOT UBOOT_SEL (?)
* SW3 Key_Back LCD1_D17/ATAD13/KP_IN7/SMC_VCCEN/EINT17/CSI1_D17/PH17
* SW4 Key_Home LCD1_D18/ATAD14/KP_OUT0/SMC_SLK/EINT18/CSI1_D18/PH18
* SW5 Key_Menu LCD1_D19/ATAD15/KP_OUT1/SMC_SDA/EINT19/CSI1_D19/PH19
*/
#define BUTTON_KEY_BACK 0
#define BUTTON_KEY_HOME 1
#define BUTTON_KEY_MENU 2
#define NUM_BUTTONS 3
#define BUTTON_KEY_BACK_BIT (1 << BUTTON_KEY_BACK)
#define BUTTON_KEY_HOME_BIT (1 << BUTTON_KEY_HOME)
#define BUTTON_KEY_MENU_BIT (1 << BUTTON_KEY_MENU)
/* NAND *****************************************************************************/
/* GPIO pin disambiguation **********************************************************/
/* UARTs ****************************************************************************/
/* Two UART connections are available:
*
* 1. UART0 is available on J5 Debug Port.
*
* J15 Pin 1 Rx UART0-RX UART0_RX/IR1_RX/PB23
* J15 Pin 2 Tx UART0-TX UART0_TX/IR1_TX/PB22
*
* 2. UART2 is available on J11
*
* J11 Pin1 UART-Rx / GPIO0 UART2_RX EINT31/SPI1_MISO/UART2_RX/PI19
* J11 Pin2 UART-Tx / GPIO1 UART2_TX EINT30/SPI1_MOSI/UART2_TX/PI18
*/
#define PIO_UART0_RX PIO_UART0_RX_1
#define PIO_UART0_TX PIO_UART0_TX_1
#define PIO_UART2_RX PIO_UART2_RX_1
#define PIO_UART2_TX PIO_UART2_TX_1
/************************************************************************************
* Assembly Language Macros
************************************************************************************/
#ifdef __ASSEMBLY__
.macro config_sdram
.endm
#endif /* __ASSEMBLY__ */
/************************************************************************************
* Public Data
************************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/************************************************************************************
* Public Function Prototypes
************************************************************************************/
/************************************************************************************
* Name: a1x_boardinitialize
*
* Description:
* All A1X architectures must provide the following entry point. This entry
* point point is called early in the initialization -- after all memory has been
* configured and mapped but before any devices have been initialized.
*
************************************************************************************/
void a1x_boardinitialize(void);
/************************************************************************************
* Name: a1x_setled, and a1x_setleds
*
* Description:
* If CONFIG_ARCH_LEDS is defined, then NuttX will control the on-board LEDs. If
* CONFIG_ARCH_LEDS is not defined, then the following interfaces are available to
* control the LEDs from user applications.
*
************************************************************************************/
#ifndef CONFIG_ARCH_LEDS
void a1x_setled(int led, bool ledon);
void a1x_setleds(uint8_t ledset);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* !__ASSEMBLY__ */
#endif /* __CONFIGS_PCDUINO_A10_INCLUDE_BOARD_H */
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