realview-pbx-a9/console/console-polled.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  * Copyright (C) 2013, 2018 embedded brains GmbH & Co. KG
0005  *
0006  * Redistribution and use in source and binary forms, with or without
0007  * modification, are permitted provided that the following conditions
0008  * are met:
0009  * 1. Redistributions of source code must retain the above copyright
0010  *    notice, this list of conditions and the following disclaimer.
0011  * 2. Redistributions in binary form must reproduce the above copyright
0012  *    notice, this list of conditions and the following disclaimer in the
0013  *    documentation and/or other materials provided with the distribution.
0014  *
0015  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0016  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0017  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0018  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0019  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0020  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0021  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0024  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0025  * POSSIBILITY OF SUCH DAMAGE.
0026  */
0027
0028 #include <bsp/console.h>
0029 #include <bsp.h>
0030 #include <bsp/irq.h>
0031 #include <dev/serial/arm-pl011.h>
0032 #include <rtems/bspIo.h>
0033
0034 arm_pl011_context rvpbx_pl011_context = {
0035   .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("PL011"),
0036   .regs = (arm_pl011_uart *) 0x10009000,
0037   .irq = RVPBXA9_IRQ_UART_0,
0038   .initial_baud = 115200,
0039   .clock = 24000000
0040 };
0041
0042 static void output_char(char c)
0043 {
0044   arm_pl011_write_polled(&rvpbx_pl011_context.base, c);
0045 }
0046
0047 bool rvpbx_pl011_probe(rtems_termios_device_context *base)
0048 {
0049   BSP_output_char = output_char;
0050
0051   return arm_pl011_probe(base);
0052 }
0053
0054 static void output_char_init(char c)
0055 {
0056   rvpbx_pl011_probe(&rvpbx_pl011_context.base);
0057   output_char(c);
0058 }
0059
0060 BSP_output_char_function_type BSP_output_char = output_char_init;
0061
0062 BSP_polling_getchar_function_type BSP_poll_char = NULL;