source: rtems/bsps/arm/lpc24xx/console/uart-probe-3.c @ 445ddb3

/* SPDX-License-Identifier: BSD-2-Clause */

/**
 * @file
 *
 * @ingroup RTEMSBSPsARMLPC24XX
 *
 * @brief UART 3 probe.
 */

/*
 * Copyright (c) 2011-2014 embedded brains GmbH.  All rights reserved.
 *
 * 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.
 *
 * 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.
 */

#include <libchip/ns16550.h>

#include <bsp.h>
#include <bsp/io.h>

bool lpc24xx_uart_probe_3(rtems_termios_device_context *context)
{
  static const lpc24xx_pin_range pins [] = {
    LPC24XX_PIN_UART_3_TXD_P0_0,
    LPC24XX_PIN_UART_3_RXD_P0_1,
    LPC24XX_PIN_TERMINAL
  };

  lpc24xx_module_enable(LPC24XX_MODULE_UART_3, LPC24XX_MODULE_PCLK_DEFAULT);
  lpc24xx_pin_config(&pins [0], LPC24XX_PIN_SET_FUNCTION);

  return ns16550_probe(context);
}