/************************************************************************************ * configs/pcduino-a10/include/board.h * * Copyright (C) 2013 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include "chip/a1x_piocfg.h" /************************************************************************************ * Pre-processor 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 board_userled() */ #define BOARD_LED1 0 #define BOARD_LED3 1 #define BOARD_LED4 2 #define BOARD_NLEDS 3 /* LED bits for use with board_userled_all() */ #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); #undef EXTERN #if defined(__cplusplus) } #endif #endif /* !__ASSEMBLY__ */ #endif /* __CONFIGS_PCDUINO_A10_INCLUDE_BOARD_H */