1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup mpc55xx |
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5 | * |
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6 | * @brief IRQ |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2008 |
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11 | * Embedded Brains GmbH |
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12 | * Obere Lagerstr. 30 |
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13 | * D-82178 Puchheim |
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14 | * Germany |
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15 | * rtems@embedded-brains.de |
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16 | * |
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17 | * The license and distribution terms for this file may be found in the file |
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18 | * LICENSE in this distribution or at http://www.rtems.com/license/LICENSE. |
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19 | */ |
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20 | |
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21 | #ifndef LIBBSP_POWERPC_IRQ_H |
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22 | #define LIBBSP_POWERPC_IRQ_H |
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23 | |
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24 | #include <rtems/irq-extension.h> |
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25 | #include <rtems/irq.h> |
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26 | |
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27 | #ifdef __cplusplus |
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28 | extern "C" { |
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29 | #endif /* __cplusplus */ |
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30 | |
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31 | /* |
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32 | * Interrupt numbers |
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33 | */ |
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34 | |
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35 | /* Basics */ |
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36 | #define MPC55XX_IRQ_MIN 0U |
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37 | #define MPC55XX_IRQ_MAX 328U |
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38 | #define MPC55XX_IRQ_BASE MPC55XX_IRQ_MIN |
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39 | #define MPC55XX_IRQ_NUMBER (MPC55XX_IRQ_MAX + 1U) |
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40 | |
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41 | /* Software interrupts */ |
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42 | #define MPC55XX_IRQ_SOFTWARE_MIN 0U |
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43 | #define MPC55XX_IRQ_SOFTWARE_MAX 7U |
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44 | #define MPC55XX_IRQ_SOFTWARE_GET_INDEX( v) (v) |
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45 | #define MPC55XX_IRQ_SOFTWARE_GET_REQUEST( i) (i) |
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46 | #define MPC55XX_IRQ_SOFTWARE_NUMBER (MPC55XX_IRQ_SOFTWARE_MAX + 1U) |
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47 | |
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48 | /* eDMA interrupts */ |
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49 | #define MPC55XX_IRQ_EDMA_ERROR_LOW 10U |
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50 | #define MPC55XX_IRQ_EDMA_ERROR_HIGH 210U |
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51 | #define MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN 11U |
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52 | #define MPC55XX_IRQ_EDMA_REQUEST_LOW_MAX 42U |
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53 | #define MPC55XX_IRQ_EDMA_REQUEST_HIGH_MIN 211U |
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54 | #define MPC55XX_IRQ_EDMA_REQUEST_HIGH_MAX 242U |
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55 | #define MPC55XX_IRQ_EDMA_GET_CHANNEL( v) (((v) > MPC55XX_IRQ_EDMA_REQUEST_LOW_MAX) ? ((v) + 32U - MPC55XX_IRQ_EDMA_REQUEST_HIGH_MIN) : ((v) - MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN)) |
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56 | #define MPC55XX_IRQ_EDMA_GET_REQUEST( c) (((c) >= 32U) ? ((c) - 32U + MPC55XX_IRQ_EDMA_REQUEST_HIGH_MIN) : ((c) + MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN)) |
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57 | |
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58 | /* SIU external interrupts */ |
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59 | #define MPC55XX_IRQ_SIU_EXTERNAL_0 46U |
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60 | #define MPC55XX_IRQ_SIU_EXTERNAL_1 47U |
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61 | #define MPC55XX_IRQ_SIU_EXTERNAL_2 48U |
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62 | #define MPC55XX_IRQ_SIU_EXTERNAL_3 49U |
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63 | #define MPC55XX_IRQ_SIU_EXTERNAL_4_15 50U |
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64 | |
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65 | /* eMIOS interrupts */ |
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66 | #define MPC55XX_IRQ_EMIOS_REQUEST_LOW_MIN 51U |
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67 | #define MPC55XX_IRQ_EMIOS_REQUEST_LOW_MAX 66U |
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68 | #define MPC55XX_IRQ_EMIOS_REQUEST_HIGH_MIN 202U |
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69 | #define MPC55XX_IRQ_EMIOS_REQUEST_HIGH_MAX 209U |
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70 | #define MPC55XX_IRQ_EMIOS_GET_CHANNEL( v) (((v) > MPC55XX_IRQ_EMIOS_REQUEST_LOW_MAX) ? ((v) + 16U - MPC55XX_IRQ_EMIOS_REQUEST_HIGH_MIN) : ((v) - MPC55XX_IRQ_EMIOS_REQUEST_LOW_MIN)) |
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71 | #define MPC55XX_IRQ_EMIOS_GET_REQUEST( c) (((c) >= 16U) ? ((c) - 16U + MPC55XX_IRQ_EMIOS_REQUEST_HIGH_MIN) : ((c) + MPC55XX_IRQ_EMIOS_REQUEST_LOW_MIN)) |
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72 | |
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73 | /* Checks */ |
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74 | #define MPC55XX_IRQ_IS_VALID(v) ((v) >= MPC55XX_IRQ_MIN && (v) <= MPC55XX_IRQ_MAX) |
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75 | #define MPC55XX_IRQ_IS_SOFTWARE(v) ((v) >= MPC55XX_IRQ_SOFTWARE_MIN && (v) <= MPC55XX_IRQ_SOFTWARE_MAX) |
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76 | |
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77 | /* |
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78 | * Interrupt controller |
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79 | */ |
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80 | |
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81 | #define MPC55XX_INTC_MIN_PRIORITY 1U |
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82 | #define MPC55XX_INTC_MAX_PRIORITY 15U |
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83 | #define MPC55XX_INTC_DISABLED_PRIORITY 0U |
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84 | #define MPC55XX_INTC_INVALID_PRIORITY (MPC55XX_INTC_MAX_PRIORITY + 1) |
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85 | #define MPC55XX_INTC_DEFAULT_PRIORITY (MPC55XX_INTC_MIN_PRIORITY + 1) |
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86 | #define MPC55XX_INTC_IS_VALID_PRIORITY(p) ((p) >= MPC55XX_INTC_DISABLED_PRIORITY && (p) <= MPC55XX_INTC_MAX_PRIORITY) |
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87 | |
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88 | rtems_status_code mpc55xx_interrupt_handler_install( |
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89 | rtems_vector_number vector, |
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90 | const char *info, |
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91 | rtems_option options, |
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92 | unsigned priority, |
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93 | rtems_interrupt_handler handler, |
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94 | void *arg |
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95 | ); |
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96 | |
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97 | rtems_status_code mpc55xx_intc_get_priority( rtems_vector_number vector, unsigned *priority); |
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98 | |
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99 | rtems_status_code mpc55xx_intc_set_priority( rtems_vector_number vector, unsigned priority); |
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100 | |
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101 | rtems_status_code mpc55xx_intc_raise_software_irq( rtems_vector_number vector); |
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102 | |
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103 | rtems_status_code mpc55xx_intc_clear_software_irq( rtems_vector_number vector); |
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104 | |
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105 | #ifdef __cplusplus |
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106 | }; |
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107 | #endif /* __cplusplus */ |
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108 | |
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109 | #endif /* LIBBSP_POWERPC_IRQ_H */ |
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