lpc24xx/console/uart-probe-2.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSBSPsARMLPC24XX
0007  *
0008  * @brief UART 2 probe.
0009  */
0010
0011 /*
0012  * Copyright (C) 2011, 2014 embedded brains GmbH & Co. KG
0013  *
0014  * Redistribution and use in source and binary forms, with or without
0015  * modification, are permitted provided that the following conditions
0016  * are met:
0017  * 1. Redistributions of source code must retain the above copyright
0018  *    notice, this list of conditions and the following disclaimer.
0019  * 2. Redistributions in binary form must reproduce the above copyright
0020  *    notice, this list of conditions and the following disclaimer in the
0021  *    documentation and/or other materials provided with the distribution.
0022  *
0023  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0024  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0025  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0026  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0027  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0028  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0029  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0030  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0031  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0032  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0033  * POSSIBILITY OF SUCH DAMAGE.
0034  */
0035
0036 #include <libchip/ns16550.h>
0037
0038 #include <bsp.h>
0039 #include <bsp/io.h>
0040
0041 bool lpc24xx_uart_probe_2(rtems_termios_device_context *context)
0042 {
0043   static const lpc24xx_pin_range pins [] = {
0044     LPC24XX_PIN_UART_2_TXD_P0_10,
0045     LPC24XX_PIN_UART_2_RXD_P0_11,
0046     LPC24XX_PIN_TERMINAL
0047   };
0048
0049   lpc24xx_module_enable(LPC24XX_MODULE_UART_2, LPC24XX_MODULE_PCLK_DEFAULT);
0050   lpc24xx_pin_config(&pins [0], LPC24XX_PIN_SET_FUNCTION);
0051
0052   return ns16550_probe(context);
0053 }