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/************************************************************************************
* configs/mirtoo/src/up_boot.c
* arch/mips/src/board/up_boot.c
*
* Copyright (C) 2012 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.
*
************************************************************************************/
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <debug.h>
#include <arch/board/board.h>
#include "up_arch.h"
#include "up_internal.h"
#include "pic32mx-internal.h"
#include "pic32mx-pps.h"
#include "mirtoo-internal.h"
/************************************************************************************
* Definitions
************************************************************************************/
#define GPIO_U2TX (GPIO_OUTPUT|GPIO_PORTB|GPIO_PIN10)
#define GPIO_U2RX (GPIO_INPUT|GPIO_PORTB|GPIO_PIN11)
/************************************************************************************
* Private Functions
************************************************************************************/
/************************************************************************************
* Name: pic32mx_uartinitialize
*
* Description:
* When mounted on the DTX1-4000L EV-kit1 board, serial output is avaiable through
* an FT230X device via the FUNC0 and FUNC1 module outputs
*
* ---------- ------ ----- ------ -------------------------
* BOARD OUTPUT PIN SIGNAL NOTES
* ---------- ------ ----- ------ -------------------------
* FT230X RXD FUNC0 RPB11 U2RX UART2 RX (Also PGEC2)
* FT230X TXD FUNC1 RPB10 U2TX UART2 TX (Also PGED2)
*
************************************************************************************/
static inline void pic32mx_uartinitialize(void)
{
#ifdef CONFIG_PIC32MX_UART2
/* Make sure that TRIS pins are set correctly. Configure the UART pins as digital
* inputs and outputs first.
*/
pic32mx_configgpio(GPIO_U2TX);
pic32mx_configgpio(GPIO_U2RX);
/* Configure UART TX and RX pins to RPB10 and 11, respectively */
putreg32(PPS_INSEL_RPB11, PIC32MX_PPS_U2RXR);
putreg32(PPS_OUTSEL_U2TX, PIC32MX_PPS_RPB10R);
#endif
}
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: pic32mx_boardinitialize
*
* Description:
* All PIC32MX architectures must provide the following entry point. This entry
* point is called early in the intitialization -- after all memory has been
* configured and mapped but before any devices have been initialized.
*
************************************************************************************/
void pic32mx_boardinitialize(void)
{
/* Configure the console UART */
pic32mx_uartinitialize();
/* Configure SPI chip selects if 1) at least one SPI is enabled, and 2) the weak
* function pic32mx_spi2initialize() has been brought into the link.
*/
#ifdef CONFIG_PIC32MX_SPI2
if (pic32mx_spi2initialize)
{
pic32mx_spi2initialize();
}
#endif
/* Configure on-board LEDs if LED support has been selected. */
#ifdef CONFIG_ARCH_LEDS
pic32mx_ledinit();
#endif
}
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