110 lines
3.5 KiB
C
110 lines
3.5 KiB
C
/****************************************************************************
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* arch/arm/src/kinetis/kinetis_serialinit.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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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 <stdint.h>
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#include "kinetis_config.h"
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#include "kinetis.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#if !defined(HAVE_UART_DEVICE) && !defined(HAVE_LPUART_DEVICE)
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# undef CONFIG_KINETS_LPUART_LOWEST
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: kinetis_earlyserialinit
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*
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* Description:
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* Performs the low level UART and LPUART initialization early in debug
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* so that the serial console will be available during bootup. This must
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* be called before arm_serialinit. NOTE: This function depends on GPIO
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* pin configuration performed in up_consoleinit() and main clock
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* initialization performed in up_clkinitialize().
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*
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****************************************************************************/
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#if defined(USE_EARLYSERIALINIT)
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void kinetis_earlyserialinit(void)
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{
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#if defined(HAVE_UART_DEVICE)
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/* Initialize UART drivers */
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kinetis_uart_earlyserialinit();
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#endif
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#if defined(HAVE_LPUART_DEVICE)
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/* Initialize LPUART drivers */
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kinetis_lpuart_earlyserialinit();
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#endif
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}
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#endif
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/****************************************************************************
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* Name: arm_serialinit
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*
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* Description:
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* Register all the serial console and serial ports. This assumes
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* that kinetis_earlyserialinit was called previously.
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*
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****************************************************************************/
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#if defined(USE_SERIALDRIVER)
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void arm_serialinit(void)
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{
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#if defined(HAVE_UART_DEVICE) ||defined(HAVE_LPUART_DEVICE)
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uint32_t start = 0;
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#endif
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/* Register the console and drivers */
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#if defined(HAVE_LPUART_DEVICE) && defined(CONFIG_KINETS_LPUART_LOWEST)
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/* Register LPUART drivers in starting positions */
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start = kinetis_lpuart_serialinit(start);
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#endif
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#if defined(HAVE_UART_DEVICE)
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/* Register UART drivers */
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start = kinetis_uart_serialinit(start);
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#endif
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#if defined(HAVE_LPUART_DEVICE) && !defined(CONFIG_KINETS_LPUART_LOWEST)
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/* Register LPUART drivers in last positions */
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start = kinetis_lpuart_serialinit(start);
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#endif
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}
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#endif /* USE_SERIALDRIVER */
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