129 lines
4.4 KiB
C
129 lines
4.4 KiB
C
/****************************************************************************
|
|
* boards/arm/kl/teensy-lc/src/kl_boardinitialize.c
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/board.h>
|
|
#include <arch/board/board.h>
|
|
#include "chip.h"
|
|
#include "kl_gpio.h"
|
|
#include "hardware/kl_pinmux.h"
|
|
#include "arm_internal.h"
|
|
#include "teensy-lc.h"
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: kl_boardinitialize
|
|
*
|
|
* Description:
|
|
* All K25Z architectures must provide the following entry point.
|
|
* This entry point is called early in the initialization -- after all
|
|
* memory has been configured and mapped but before any devices have been
|
|
* initialized.
|
|
*
|
|
****************************************************************************/
|
|
|
|
void kl_boardinitialize(void)
|
|
{
|
|
#if defined(CONFIG_KL_UART0)
|
|
/* Remap UART0 to the standard pins. */
|
|
|
|
kl_configgpio(PIN_PORTA | PIN2);
|
|
kl_configgpio(PIN_PORTA | PIN1);
|
|
kl_configgpio(PIN_UART0_RX_3);
|
|
kl_configgpio(PIN_UART0_TX_3);
|
|
#endif
|
|
|
|
/* Configure SPI chip selects if 1) SPI is not disabled, and 2) the weak
|
|
* function kl_spidev_initialize() has been brought into the link.
|
|
*/
|
|
|
|
#if defined(CONFIG_KL_SPI0) || defined(CONFIG_KL_SPI1)
|
|
if (kl_spidev_initialize)
|
|
{
|
|
kl_spidev_initialize();
|
|
}
|
|
#endif
|
|
|
|
/* Initialize USB if the 1) USB device controller is in the configuration
|
|
* and 2) disabled, and 3) the weak function kl_usbinitialize() has been
|
|
* brought into the build. Presumably either CONFIG_USBHOST or
|
|
* CONFIG_USBDEV is also selected.
|
|
*/
|
|
|
|
#ifdef CONFIG_KL_USBOTG
|
|
if (kl_usbinitialize)
|
|
{
|
|
kl_usbinitialize();
|
|
}
|
|
#endif
|
|
|
|
/* Configure on-board LED if LED support has been selected. */
|
|
|
|
#ifdef CONFIG_ARCH_LEDS
|
|
kl_led_initialize();
|
|
#endif
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: board_late_initialize
|
|
*
|
|
* Description:
|
|
* If CONFIG_BOARD_LATE_INITIALIZE is selected, then an additional
|
|
* initialization call will be performed in the boot-up sequence to a
|
|
* function called board_late_initialize(). board_late_initialize() will
|
|
* be called immediately after up_intitialize() is called and just before
|
|
* the initial application is started.
|
|
* This additional initialization phase may be used, for example, to
|
|
* initialize board-specific device drivers.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_BOARD_LATE_INITIALIZE
|
|
void board_late_initialize(void)
|
|
{
|
|
/* Perform NSH initialization here instead of from the NSH.
|
|
* This alternative NSH initialization is necessary when NSH is ran in
|
|
* user-space but the initialization function must run in kernel space.
|
|
*/
|
|
|
|
#if defined(CONFIG_NSH_LIBRARY) && !defined(CONFIG_BOARDCTL)
|
|
board_app_initialize(0);
|
|
#endif
|
|
}
|
|
#endif
|