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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief Console configuration.
*/
/*
* Copyright (C) 2008, 2014 embedded brains GmbH & Co. KG
*
* 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/bspIo.h>
#include <libchip/ns16550.h>
#include <mpc83xx/mpc83xx.h>
#include <bsp.h>
#include <bsp/irq.h>
#include <bsp/console-termios.h>
#ifdef BSP_USE_UART_INTERRUPTS
#define DEVICE_FNS &ns16550_handler_interrupt
#else
#define DEVICE_FNS &ns16550_handler_polled
#endif
static uint8_t gen83xx_console_get_register(uintptr_t addr, uint8_t i)
{
volatile uint8_t *reg = (volatile uint8_t *) addr;
return reg [i];
}
static void gen83xx_console_set_register(uintptr_t addr, uint8_t i, uint8_t val)
{
volatile uint8_t *reg = (volatile uint8_t *) addr;
reg [i] = val;
}
static ns16550_context gen83xx_uart_context_0 = {
.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 0"),
.get_reg = gen83xx_console_get_register,
.set_reg = gen83xx_console_set_register,
.port = (uintptr_t) &mpc83xx.duart[0],
#if MPC83XX_CHIP_TYPE / 10 == 830
.irq = BSP_IPIC_IRQ_UART,
#else
.irq = BSP_IPIC_IRQ_UART1,
#endif
.initial_baud = BSP_CONSOLE_BAUD
};
#ifdef BSP_USE_UART2
static ns16550_context gen83xx_uart_context_1 = {
.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 1"),
.get_reg = gen83xx_console_get_register,
.set_reg = gen83xx_console_set_register,
.port = (uintptr_t) &mpc83xx.duart[1],
#if MPC83XX_CHIP_TYPE / 10 == 830
.irq = BSP_IPIC_IRQ_UART,
#else
.irq = BSP_IPIC_IRQ_UART2,
#endif
.initial_baud = BSP_CONSOLE_BAUD
};
#endif
const console_device console_device_table[] = {
{
.device_file = "/dev/ttyS0",
.probe = ns16550_probe,
.handler = DEVICE_FNS,
.context = &gen83xx_uart_context_0.base
}
#ifdef BSP_USE_UART2
, {
.device_file = "/dev/ttyS1",
.probe = ns16550_probe,
.handler = DEVICE_FNS,
.context = &gen83xx_uart_context_1.base
}
#endif
};
const size_t console_device_count = RTEMS_ARRAY_SIZE(console_device_table);
static void gen83xx_output_char(char c)
{
rtems_termios_device_context *ctx = console_device_table[0].context;
ns16550_polled_putchar(ctx, c);
}
BSP_output_char_function_type BSP_output_char = gen83xx_output_char;
BSP_polling_getchar_function_type BSP_poll_char = NULL;
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