1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Console configuration. |
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5 | */ |
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6 | |
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7 | /* |
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8 | * Copyright (c) 2008-2014 embedded brains GmbH. All rights reserved. |
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9 | * |
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10 | * embedded brains GmbH |
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11 | * Dornierstr. 4 |
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12 | * 82178 Puchheim |
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13 | * Germany |
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14 | * <rtems@embedded-brains.de> |
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15 | * |
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16 | * The license and distribution terms for this file may be |
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17 | * found in the file LICENSE in this distribution or at |
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18 | * http://www.rtems.org/license/LICENSE. |
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19 | */ |
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20 | |
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21 | #include <rtems/bspIo.h> |
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22 | |
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23 | #include <libchip/ns16550.h> |
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24 | |
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25 | #include <mpc83xx/mpc83xx.h> |
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26 | |
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27 | #include <bsp.h> |
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28 | #include <bsp/irq.h> |
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29 | #include <bsp/console-termios.h> |
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30 | |
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31 | #ifdef BSP_USE_UART_INTERRUPTS |
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32 | #define DEVICE_FNS &ns16550_handler_interrupt |
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33 | #else |
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34 | #define DEVICE_FNS &ns16550_handler_polled |
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35 | #endif |
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36 | |
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37 | static uint8_t gen83xx_console_get_register(uintptr_t addr, uint8_t i) |
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38 | { |
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39 | volatile uint8_t *reg = (volatile uint8_t *) addr; |
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40 | |
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41 | return reg [i]; |
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42 | } |
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43 | |
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44 | static void gen83xx_console_set_register(uintptr_t addr, uint8_t i, uint8_t val) |
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45 | { |
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46 | volatile uint8_t *reg = (volatile uint8_t *) addr; |
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47 | |
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48 | reg [i] = val; |
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49 | } |
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50 | |
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51 | static ns16550_context gen83xx_uart_context_0 = { |
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52 | .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 0"), |
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53 | .get_reg = gen83xx_console_get_register, |
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54 | .set_reg = gen83xx_console_set_register, |
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55 | .port = (uintptr_t) &mpc83xx.duart[0], |
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56 | #if MPC83XX_CHIP_TYPE / 10 == 830 |
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57 | .irq = BSP_IPIC_IRQ_UART, |
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58 | #else |
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59 | .irq = BSP_IPIC_IRQ_UART1, |
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60 | #endif |
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61 | .initial_baud = BSP_CONSOLE_BAUD |
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62 | }; |
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63 | |
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64 | #ifdef BSP_USE_UART2 |
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65 | static ns16550_context gen83xx_uart_context_1 = { |
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66 | .base = RTEMS_TERMIOS_DEVICE_CONTEXT_INITIALIZER("UART 1"), |
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67 | .get_reg = gen83xx_console_get_register, |
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68 | .set_reg = gen83xx_console_set_register, |
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69 | .port = (uintptr_t) &mpc83xx.duart[1], |
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70 | #if MPC83XX_CHIP_TYPE / 10 == 830 |
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71 | .irq = BSP_IPIC_IRQ_UART, |
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72 | #else |
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73 | .irq = BSP_IPIC_IRQ_UART2, |
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74 | #endif |
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75 | .initial_baud = BSP_CONSOLE_BAUD |
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76 | }; |
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77 | #endif |
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78 | |
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79 | const console_device console_device_table[] = { |
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80 | { |
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81 | .device_file = "/dev/ttyS0", |
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82 | .probe = ns16550_probe, |
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83 | .handler = DEVICE_FNS, |
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84 | .context = &gen83xx_uart_context_0.base |
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85 | } |
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86 | #ifdef BSP_USE_UART2 |
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87 | , { |
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88 | .device_file = "/dev/ttyS1", |
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89 | .probe = ns16550_probe, |
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90 | .handler = DEVICE_FNS, |
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91 | .context = &gen83xx_uart_context_1.base |
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92 | } |
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93 | #endif |
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94 | }; |
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95 | |
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96 | const size_t console_device_count = RTEMS_ARRAY_SIZE(console_device_table); |
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97 | |
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98 | static void gen83xx_output_char(char c) |
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99 | { |
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100 | rtems_termios_device_context *ctx = console_device_table[0].context; |
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101 | |
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102 | ns16550_polled_putchar(ctx, c); |
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103 | } |
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104 | |
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105 | BSP_output_char_function_type BSP_output_char = gen83xx_output_char; |
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106 | |
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107 | BSP_polling_getchar_function_type BSP_poll_char = NULL; |
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