1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup lpc176x |
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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) 2008-2011 embedded brains GmbH. All rights reserved. |
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11 | * |
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12 | * embedded brains GmbH |
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13 | * Obere Lagerstr. 30 |
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14 | * 82178 Puchheim |
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15 | * Germany |
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16 | * <rtems@embedded-brains.de> |
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17 | * |
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18 | * The license and distribution terms for this file may be |
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19 | * found in the file LICENSE in this distribution or at |
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20 | * http://www.rtems.com/license/LICENSE. |
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21 | */ |
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22 | |
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23 | #include <libchip/serial.h> |
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24 | #include <libchip/ns16550.h> |
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25 | |
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26 | #include <bsp.h> |
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27 | #include <bsp/io.h> |
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28 | #include <bsp/irq.h> |
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29 | |
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30 | /** |
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31 | * @brief Gets the uart register according to the current address. |
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32 | * |
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33 | * @param addr Register address. |
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34 | * @param i Index register. |
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35 | * @return Uart register. |
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36 | */ |
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37 | static inline uint8_t lpc176x_uart_get_register( |
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38 | const uintptr_t addr, |
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39 | const uint8_t i |
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40 | ) |
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41 | { |
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42 | volatile uint32_t *reg = (volatile uint32_t *) addr; |
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43 | |
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44 | return (uint8_t) reg[ i ]; |
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45 | } |
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46 | |
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47 | /** |
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48 | * @brief Sets the uart register address according to the value passed. |
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49 | * |
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50 | * @param addr Register address. |
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51 | * @param i Index register. |
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52 | * @param val Value to set. |
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53 | */ |
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54 | static inline void lpc176x_uart_set_register( |
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55 | const uintptr_t addr, |
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56 | const uint8_t i, |
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57 | const uint8_t val |
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58 | ) |
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59 | { |
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60 | volatile uint32_t *reg = (volatile uint32_t *) addr; |
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61 | |
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62 | reg[ i ] = val; |
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63 | } |
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64 | |
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65 | /** |
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66 | * @brief Represents the uart configuration ports. |
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67 | */ |
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68 | console_tbl Console_Configuration_Ports[] = { |
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69 | #ifdef LPC176X_CONFIG_CONSOLE |
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70 | { |
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71 | .sDeviceName = "/dev/ttyS0", |
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72 | .deviceType = SERIAL_NS16550_WITH_FDR, |
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73 | .pDeviceFns = &ns16550_fns, |
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74 | .deviceProbe = NULL, |
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75 | .pDeviceFlow = NULL, |
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76 | .ulMargin = 16, |
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77 | .ulHysteresis = 8, |
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78 | .pDeviceParams = (void *) LPC176X_UART_BAUD, |
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79 | .ulCtrlPort1 = UART0_BASE_ADDR, |
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80 | .ulCtrlPort2 = 0, |
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81 | .ulDataPort = UART0_BASE_ADDR, |
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82 | .getRegister = lpc176x_uart_get_register, |
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83 | .setRegister = lpc176x_uart_set_register, |
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84 | .getData = NULL, |
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85 | .setData = NULL, |
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86 | .ulClock = LPC176X_PCLK, |
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87 | .ulIntVector = LPC176X_IRQ_UART_0 |
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88 | }, |
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89 | #endif |
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90 | #ifdef LPC176X_CONFIG_UART_1 |
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91 | { |
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92 | .sDeviceName = "/dev/ttyS1", |
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93 | .deviceType = SERIAL_NS16550_WITH_FDR, |
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94 | .pDeviceFns = &ns16550_fns, |
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95 | .deviceProbe = lpc176x_uart_probe_1, |
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96 | .pDeviceFlow = NULL, |
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97 | .ulMargin = 16, |
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98 | .ulHysteresis = 8, |
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99 | .pDeviceParams = (void *) LPC176X_UART_BAUD, |
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100 | .ulCtrlPort1 = UART1_BASE_ADDR, |
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101 | .ulCtrlPort2 = 0, |
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102 | .ulDataPort = UART1_BASE_ADDR, |
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103 | .getRegister = lpc176x_uart_get_register, |
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104 | .setRegister = lpc176x_uart_set_register, |
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105 | .getData = NULL, |
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106 | .setData = NULL, |
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107 | .ulClock = LPC176X_PCLK, |
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108 | .ulIntVector = LPC176X_IRQ_UART_1 |
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109 | }, |
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110 | #endif |
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111 | #ifdef LPC176X_CONFIG_UART_2 |
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112 | { |
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113 | .sDeviceName = "/dev/ttyS2", |
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114 | .deviceType = SERIAL_NS16550_WITH_FDR, |
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115 | .pDeviceFns = &ns16550_fns, |
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116 | .deviceProbe = lpc176x_uart_probe_2, |
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117 | .pDeviceFlow = NULL, |
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118 | .ulMargin = 16, |
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119 | .ulHysteresis = 8, |
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120 | .pDeviceParams = (void *) LPC176X_UART_BAUD, |
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121 | .ulCtrlPort1 = UART2_BASE_ADDR, |
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122 | .ulCtrlPort2 = 0, |
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123 | .ulDataPort = UART2_BASE_ADDR, |
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124 | .getRegister = lpc176x_uart_get_register, |
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125 | .setRegister = lpc176x_uart_set_register, |
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126 | .getData = NULL, |
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127 | .setData = NULL, |
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128 | .ulClock = LPC176X_PCLK, |
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129 | .ulIntVector = LPC176X_IRQ_UART_2 |
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130 | }, |
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131 | #endif |
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132 | #ifdef LPC176X_CONFIG_UART_3 |
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133 | { |
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134 | .sDeviceName = "/dev/ttyS3", |
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135 | .deviceType = SERIAL_NS16550_WITH_FDR, |
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136 | .pDeviceFns = &ns16550_fns, |
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137 | .deviceProbe = lpc176x_uart_probe_3, |
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138 | .pDeviceFlow = NULL, |
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139 | .ulMargin = 16, |
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140 | .ulHysteresis = 8, |
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141 | .pDeviceParams = (void *) LPC176X_UART_BAUD, |
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142 | .ulCtrlPort1 = UART3_BASE_ADDR, |
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143 | .ulCtrlPort2 = 0, |
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144 | .ulDataPort = UART3_BASE_ADDR, |
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145 | .getRegister = lpc176x_uart_get_register, |
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146 | .setRegister = lpc176x_uart_set_register, |
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147 | .getData = NULL, |
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148 | .setData = NULL, |
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149 | .ulClock = LPC176X_PCLK, |
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150 | .ulIntVector = LPC176X_IRQ_UART_3 |
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151 | }, |
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152 | #endif |
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153 | }; |
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154 | |
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155 | #define LPC176X_UART_COUNT ( sizeof( Console_Configuration_Ports ) \ |
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156 | / sizeof( Console_Configuration_Ports[ 0 ] ) ) |
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157 | |
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158 | unsigned long Console_Configuration_Count = LPC176X_UART_COUNT; |
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