forked from Imagelibrary/rtems
135 lines
3.4 KiB
C
135 lines
3.4 KiB
C
/**
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* @file
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*
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* @ingroup lpc24xx
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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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* embedded brains GmbH
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* Dornierstr. 4
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* 82178 Puchheim
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* Germany
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* <rtems@embedded-brains.de>
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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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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