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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSBSPsAArch64XilinxZynqMP
*
* @brief This source file contains this BSP's console configuration.
*/
/*
* Copyright (C) 2020 On-Line Applications Research Corporation (OAR)
* Written by Kinsey Moore <kinsey.moore@oarcorp.com>
*
* 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 <rtems/console.h>
#include <rtems/bspIo.h>
#include <rtems/sysinit.h>
#include <bsp/irq.h>
#include <dev/serial/zynq-uart.h>
#include <bspopts.h>
static zynq_uart_context zynqmp_uart_instances[2] = {
{
.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER( "Zynq UART 0" ),
.regs = (volatile struct zynq_uart *) 0xff010000,
.irq = ZYNQMP_IRQ_UART_0
}, {
.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER( "Zynq UART 1" ),
.regs = (volatile struct zynq_uart *) 0xff000000,
.irq = ZYNQMP_IRQ_UART_1
}
};
rtems_status_code console_initialize(
rtems_device_major_number major,
rtems_device_minor_number minor,
void *arg
)
{
size_t i;
rtems_termios_initialize();
for (i = 0; i < RTEMS_ARRAY_SIZE(zynqmp_uart_instances); ++i) {
char uart[] = "/dev/ttySX";
uart[sizeof(uart) - 2] = (char) ('0' + i);
rtems_termios_device_install(
&uart[0],
&zynq_uart_handler,
NULL,
&zynqmp_uart_instances[i].base
);
if (i == BSP_CONSOLE_MINOR) {
link(&uart[0], CONSOLE_DEVICE_NAME);
}
}
return RTEMS_SUCCESSFUL;
}
void zynqmp_debug_console_flush(void)
{
zynq_uart_reset_tx_flush(&zynqmp_uart_instances[BSP_CONSOLE_MINOR]);
}
static void zynqmp_debug_console_out(char c)
{
rtems_termios_device_context *base =
&zynqmp_uart_instances[BSP_CONSOLE_MINOR].base;
zynq_uart_write_polled(base, c);
}
static void zynqmp_debug_console_init(void)
{
rtems_termios_device_context *base =
&zynqmp_uart_instances[BSP_CONSOLE_MINOR].base;
zynq_uart_initialize(base);
BSP_output_char = zynqmp_debug_console_out;
}
static void zynqmp_debug_console_early_init(char c)
{
rtems_termios_device_context *base =
&zynqmp_uart_instances[BSP_CONSOLE_MINOR].base;
zynq_uart_initialize(base);
BSP_output_char = zynqmp_debug_console_out;
zynqmp_debug_console_out(c);
}
static int zynqmp_debug_console_in(void)
{
rtems_termios_device_context *base =
&zynqmp_uart_instances[BSP_CONSOLE_MINOR].base;
return zynq_uart_read_polled(base);
}
BSP_output_char_function_type BSP_output_char = zynqmp_debug_console_early_init;
BSP_polling_getchar_function_type BSP_poll_char = zynqmp_debug_console_in;
RTEMS_SYSINIT_ITEM(
zynqmp_debug_console_init,
RTEMS_SYSINIT_BSP_START,
RTEMS_SYSINIT_ORDER_LAST_BUT_5
);
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