1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup RTEMSBSPsARMLPC24XX |
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5 | * |
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6 | * @brief Console configuration. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2008-2014 embedded brains GmbH. All rights reserved. |
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11 | * |
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12 | * The license and distribution terms for this file may be |
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13 | * found in the file LICENSE in this distribution or at |
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14 | * http://www.rtems.org/license/LICENSE. |
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15 | */ |
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16 | |
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17 | #include <rtems/console.h> |
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18 | |
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19 | #include <libchip/ns16550.h> |
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20 | |
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21 | #include <bsp.h> |
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22 | #include <bsp/lpc24xx.h> |
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23 | #include <bsp/irq.h> |
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24 | #include <bsp/io.h> |
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25 | #include <bsp/console-termios.h> |
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26 | |
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27 | static uint8_t lpc24xx_uart_get_register(uintptr_t addr, uint8_t i) |
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28 | { |
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29 | volatile uint32_t *reg = (volatile uint32_t *) addr; |
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30 | |
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31 | return (uint8_t) reg [i]; |
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32 | } |
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33 | |
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34 | static void lpc24xx_uart_set_register(uintptr_t addr, uint8_t i, uint8_t val) |
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35 | { |
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36 | volatile uint32_t *reg = (volatile uint32_t *) addr; |
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37 | |
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38 | reg [i] = val; |
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39 | } |
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40 | |
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41 | #ifdef LPC24XX_CONFIG_CONSOLE |
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42 | static ns16550_context lpc24xx_uart_context_0 = { |
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43 | .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 0"), |
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44 | .get_reg = lpc24xx_uart_get_register, |
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45 | .set_reg = lpc24xx_uart_set_register, |
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46 | .port = UART0_BASE_ADDR, |
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47 | .irq = LPC24XX_IRQ_UART_0, |
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48 | .clock = LPC24XX_PCLK, |
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49 | .initial_baud = LPC24XX_UART_BAUD, |
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50 | .has_fractional_divider_register = true |
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51 | }; |
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52 | #endif |
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53 | |
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54 | #ifdef LPC24XX_CONFIG_UART_1 |
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55 | static ns16550_context lpc24xx_uart_context_1 = { |
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56 | .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 1"), |
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57 | .get_reg = lpc24xx_uart_get_register, |
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58 | .set_reg = lpc24xx_uart_set_register, |
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59 | .port = UART1_BASE_ADDR, |
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60 | .irq = LPC24XX_IRQ_UART_1, |
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61 | .clock = LPC24XX_PCLK, |
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62 | .initial_baud = LPC24XX_UART_BAUD, |
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63 | .has_fractional_divider_register = true |
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64 | }; |
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65 | #endif |
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66 | |
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67 | #ifdef LPC24XX_CONFIG_UART_2 |
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68 | static ns16550_context lpc24xx_uart_context_2 = { |
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69 | .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 2"), |
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70 | .get_reg = lpc24xx_uart_get_register, |
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71 | .set_reg = lpc24xx_uart_set_register, |
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72 | .port = UART2_BASE_ADDR, |
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73 | .irq = LPC24XX_IRQ_UART_2, |
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74 | .clock = LPC24XX_PCLK, |
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75 | .initial_baud = LPC24XX_UART_BAUD, |
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76 | .has_fractional_divider_register = true |
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77 | }; |
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78 | #endif |
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79 | |
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80 | #ifdef LPC24XX_CONFIG_UART_3 |
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81 | static ns16550_context lpc24xx_uart_context_3 = { |
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82 | .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 3"), |
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83 | .get_reg = lpc24xx_uart_get_register, |
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84 | .set_reg = lpc24xx_uart_set_register, |
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85 | .port = UART3_BASE_ADDR, |
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86 | .irq = LPC24XX_IRQ_UART_3, |
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87 | .clock = LPC24XX_PCLK, |
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88 | .initial_baud = LPC24XX_UART_BAUD, |
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89 | .has_fractional_divider_register = true |
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90 | }; |
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91 | #endif |
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92 | |
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93 | const console_device console_device_table[] = { |
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94 | #ifdef LPC24XX_CONFIG_CONSOLE |
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95 | { |
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96 | .device_file = "/dev/ttyS0", |
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97 | .probe = console_device_probe_default, |
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98 | .handler = &ns16550_handler_interrupt, |
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99 | .context = &lpc24xx_uart_context_0.base |
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100 | }, |
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101 | #endif |
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102 | #ifdef LPC24XX_CONFIG_UART_1 |
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103 | { |
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104 | .device_file = "/dev/ttyS1", |
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105 | .probe = lpc24xx_uart_probe_1, |
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106 | .handler = &ns16550_handler_interrupt, |
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107 | .context = &lpc24xx_uart_context_1.base |
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108 | }, |
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109 | #endif |
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110 | #ifdef LPC24XX_CONFIG_UART_2 |
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111 | { |
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112 | .device_file = "/dev/ttyS2", |
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113 | .probe = lpc24xx_uart_probe_2, |
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114 | .handler = &ns16550_handler_interrupt, |
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115 | .context = &lpc24xx_uart_context_2.base |
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116 | }, |
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117 | #endif |
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118 | #ifdef LPC24XX_CONFIG_UART_3 |
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119 | { |
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120 | .device_file = "/dev/ttyS3", |
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121 | .probe = lpc24xx_uart_probe_3, |
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122 | .handler = &ns16550_handler_interrupt, |
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123 | .context = &lpc24xx_uart_context_3.base |
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124 | }, |
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125 | #endif |
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126 | }; |
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127 | |
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128 | const size_t console_device_count = RTEMS_ARRAY_SIZE(console_device_table); |
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