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 0 |
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37 | #define MPC55XX_IRQ_MAX 328 |
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38 | #define MPC55XX_IRQ_BASE MPC55XX_IRQ_MIN |
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39 | #define MPC55XX_IRQ_NUMBER (MPC55XX_IRQ_MAX + 1) |
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40 | |
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41 | /* Software interrupts */ |
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42 | #define MPC55XX_IRQ_SOFTWARE_MIN 0 |
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43 | #define MPC55XX_IRQ_SOFTWARE_MAX 7 |
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44 | #define MPC55XX_IRQ_SOFTWARE_NUMBER (MPC55XX_IRQ_SOFTWARE_MAX + 1) |
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45 | |
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46 | /* eDMA interrupts */ |
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47 | #define MPC55XX_IRQ_EDMA_ERROR_LOW 10 |
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48 | #define MPC55XX_IRQ_EDMA_ERROR_HIGH 210 |
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49 | #define MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN 11 |
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50 | #define MPC55XX_IRQ_EDMA_REQUEST_LOW_MAX 42 |
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51 | #define MPC55XX_IRQ_EDMA_REQUEST_HIGH_MIN 211 |
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52 | #define MPC55XX_IRQ_EDMA_REQUEST_HIGH_MAX 242 |
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53 | #define MPC55XX_IRQ_EDMA_GET_CHANNEL( i) (((i) > MPC55XX_IRQ_EDMA_REQUEST_LOW_MAX) ? ((i) - MPC55XX_IRQ_EDMA_REQUEST_HIGH_MIN + 32) : ((i) - MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN)) |
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54 | #define MPC55XX_IRQ_EDMA_GET_REQUEST( c) (((c) > 31) ? ((c) + MPC55XX_IRQ_EDMA_REQUEST_HIGH_MIN - 32) : ((c) + MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN)) |
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55 | |
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56 | /* Checks */ |
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57 | #define MPC55XX_IRQ_IS_VALID(i) ((i) >= MPC55XX_IRQ_MIN && (i) <= MPC55XX_IRQ_MAX) |
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58 | #define MPC55XX_IRQ_IS_SOFTWARE(i) ((i) >= MPC55XX_IRQ_SOFTWARE_MIN && (i) <= MPC55XX_IRQ_SOFTWARE_MAX) |
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59 | |
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60 | /* |
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61 | * Interrupt controller |
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62 | */ |
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63 | |
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64 | #define MPC55XX_INTC_INVALID_PRIORITY -1 |
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65 | #define MPC55XX_INTC_DISABLED_PRIORITY 0 |
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66 | #define MPC55XX_INTC_MIN_PRIORITY 1 |
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67 | #define MPC55XX_INTC_MAX_PRIORITY 15 |
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68 | #define MPC55XX_INTC_DEFAULT_PRIORITY MPC55XX_INTC_MIN_PRIORITY |
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69 | #define MPC55XX_INTC_IS_VALID_PRIORITY(p) ((p) >= MPC55XX_INTC_DISABLED_PRIORITY && (p) <= MPC55XX_INTC_MAX_PRIORITY) |
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70 | |
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71 | rtems_status_code mpc55xx_interrupt_handler_install( |
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72 | rtems_vector_number vector, |
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73 | int priority, |
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74 | const char *info, |
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75 | rtems_option options, |
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76 | rtems_interrupt_handler handler, |
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77 | void *arg |
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78 | ); |
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79 | |
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80 | rtems_status_code mpc55xx_intc_get_priority( int i, int *p); |
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81 | |
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82 | rtems_status_code mpc55xx_intc_set_priority( int i, int p); |
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83 | |
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84 | rtems_status_code mpc55xx_intc_raise_software_irq( int i); |
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85 | |
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86 | rtems_status_code mpc55xx_intc_clear_software_irq( int i); |
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87 | |
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88 | #ifdef __cplusplus |
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89 | }; |
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90 | #endif /* __cplusplus */ |
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91 | |
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92 | #endif /* LIBBSP_POWERPC_IRQ_H */ |
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