forked from Imagelibrary/rtems
148 lines
4.5 KiB
C
148 lines
4.5 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @ingroup RTEMSBSPsARMLPC24XX
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*
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* @brief Console configuration.
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*/
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/*
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* Copyright (c) 2008-2014 embedded brains GmbH. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <rtems/console.h>
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#include <libchip/ns16550.h>
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#include <bsp.h>
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#include <bsp/lpc24xx.h>
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#include <bsp/irq.h>
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#include <bsp/io.h>
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#include <bsp/console-termios.h>
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static uint8_t lpc24xx_uart_get_register(uintptr_t addr, uint8_t i)
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{
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volatile uint32_t *reg = (volatile uint32_t *) addr;
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return (uint8_t) reg [i];
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}
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static void lpc24xx_uart_set_register(uintptr_t addr, uint8_t i, uint8_t val)
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{
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volatile uint32_t *reg = (volatile uint32_t *) addr;
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reg [i] = val;
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}
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#ifdef LPC24XX_CONFIG_CONSOLE
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static ns16550_context lpc24xx_uart_context_0 = {
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.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 0"),
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.get_reg = lpc24xx_uart_get_register,
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.set_reg = lpc24xx_uart_set_register,
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.port = UART0_BASE_ADDR,
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.irq = LPC24XX_IRQ_UART_0,
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.clock = LPC24XX_PCLK,
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.initial_baud = LPC24XX_UART_BAUD,
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.has_fractional_divider_register = true
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};
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#endif
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#ifdef LPC24XX_CONFIG_UART_1
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static ns16550_context lpc24xx_uart_context_1 = {
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.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 1"),
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.get_reg = lpc24xx_uart_get_register,
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.set_reg = lpc24xx_uart_set_register,
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.port = UART1_BASE_ADDR,
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.irq = LPC24XX_IRQ_UART_1,
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.clock = LPC24XX_PCLK,
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.initial_baud = LPC24XX_UART_BAUD,
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.has_fractional_divider_register = true
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};
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#endif
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#ifdef LPC24XX_CONFIG_UART_2
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static ns16550_context lpc24xx_uart_context_2 = {
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.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 2"),
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.get_reg = lpc24xx_uart_get_register,
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.set_reg = lpc24xx_uart_set_register,
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.port = UART2_BASE_ADDR,
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.irq = LPC24XX_IRQ_UART_2,
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.clock = LPC24XX_PCLK,
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.initial_baud = LPC24XX_UART_BAUD,
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.has_fractional_divider_register = true
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};
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#endif
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#ifdef LPC24XX_CONFIG_UART_3
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static ns16550_context lpc24xx_uart_context_3 = {
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.base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 3"),
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.get_reg = lpc24xx_uart_get_register,
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.set_reg = lpc24xx_uart_set_register,
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.port = UART3_BASE_ADDR,
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.irq = LPC24XX_IRQ_UART_3,
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.clock = LPC24XX_PCLK,
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.initial_baud = LPC24XX_UART_BAUD,
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.has_fractional_divider_register = true
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};
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#endif
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const console_device console_device_table[] = {
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#ifdef LPC24XX_CONFIG_CONSOLE
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{
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.device_file = "/dev/ttyS0",
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.probe = console_device_probe_default,
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.handler = &ns16550_handler_interrupt,
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.context = &lpc24xx_uart_context_0.base
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},
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#endif
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#ifdef LPC24XX_CONFIG_UART_1
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{
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.device_file = "/dev/ttyS1",
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.probe = lpc24xx_uart_probe_1,
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.handler = &ns16550_handler_interrupt,
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.context = &lpc24xx_uart_context_1.base
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},
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#endif
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#ifdef LPC24XX_CONFIG_UART_2
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{
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.device_file = "/dev/ttyS2",
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.probe = lpc24xx_uart_probe_2,
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.handler = &ns16550_handler_interrupt,
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.context = &lpc24xx_uart_context_2.base
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},
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#endif
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#ifdef LPC24XX_CONFIG_UART_3
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{
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.device_file = "/dev/ttyS3",
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.probe = lpc24xx_uart_probe_3,
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.handler = &ns16550_handler_interrupt,
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.context = &lpc24xx_uart_context_3.base
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},
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#endif
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};
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const size_t console_device_count = RTEMS_ARRAY_SIZE(console_device_table);
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