1 | /* |
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2 | * RTEMS virtex BSP |
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3 | * |
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4 | * This file declares constants of the interrupt controller. |
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5 | */ |
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6 | |
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7 | /* |
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8 | * Copyright (c) 2007 embedded brains GmbH. All rights reserved. |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.org/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #ifndef VIRTEX_IRQ_IRQ_H |
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16 | #define VIRTEX_IRQ_IRQ_H |
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17 | |
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18 | #include <rtems/irq.h> |
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19 | #include <rtems/irq-extension.h> |
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20 | #include <bsp/opbintctrl.h> |
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21 | |
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22 | /* |
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23 | * the following definitions specify the indices used |
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24 | * to interface the interrupt handler API |
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25 | */ |
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26 | |
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27 | /* |
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28 | * Peripheral IRQ handlers related definitions |
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29 | */ |
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30 | #define BSP_OPBINTC_PER_IRQ_NUMBER XPAR_INTC_MAX_NUM_INTR_INPUTS |
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31 | #define BSP_OPBINTC_IRQ_LOWEST_OFFSET 0 |
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32 | #define BSP_OPBINTC_IRQ_MAX_OFFSET (BSP_OPBINTC_IRQ_LOWEST_OFFSET\ |
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33 | +BSP_OPBINTC_PER_IRQ_NUMBER-1) |
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34 | |
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35 | #define BSP_IS_OPBINTC_IRQ(irqnum) \ |
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36 | (((irqnum) >= BSP_OPBINTC_IRQ_LOWEST_OFFSET) && \ |
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37 | ((irqnum) <= BSP_OPBINTC_IRQ_MAX_OFFSET)) |
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38 | /* |
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39 | * Processor IRQ handlers related definitions |
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40 | */ |
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41 | #define BSP_PROCESSOR_IRQ_NUMBER 3 |
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42 | #define BSP_PROCESSOR_IRQ_LOWEST_OFFSET (BSP_OPBINTC_IRQ_MAX_OFFSET+1) |
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43 | #define BSP_PROCESSOR_IRQ_MAX_OFFSET (BSP_PROCESSOR_IRQ_LOWEST_OFFSET\ |
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44 | +BSP_PROCESSOR_IRQ_NUMBER-1) |
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45 | |
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46 | #define BSP_IS_PROCESSOR_IRQ(irqnum) \ |
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47 | (((irqnum) >= BSP_PROCESSOR_IRQ_LOWEST_OFFSET) && \ |
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48 | ((irqnum) <= BSP_PROCESSOR_IRQ_MAX_OFFSET)) |
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49 | /* |
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50 | * Summary |
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51 | */ |
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52 | #define BSP_IRQ_NUMBER (BSP_PROCESSOR_IRQ_MAX_OFFSET+1) |
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53 | #define BSP_LOWEST_OFFSET BSP_OPBINTC_IRQ_LOWEST_OFFSET |
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54 | #define BSP_MAX_OFFSET BSP_PROCESSOR_IRQ_MAX_OFFSET |
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55 | |
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56 | #define BSP_IS_VALID_IRQ(irqnum) \ |
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57 | (BSP_IS_PROCESSOR_IRQ(irqnum) \ |
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58 | || BSP_IS_OPBINTC_IRQ(irqnum)) |
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59 | |
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60 | #define BSP_INTERRUPT_VECTOR_COUNT (BSP_PROCESSOR_IRQ_MAX_OFFSET + 1) |
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61 | |
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62 | #ifndef ASM |
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63 | #ifdef __cplusplus |
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64 | extern "C" { |
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65 | #endif |
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66 | |
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67 | /* |
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68 | * index table for the module specific handlers, a few entries are only placeholders |
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69 | */ |
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70 | typedef enum { |
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71 | BSP_OPBINTC_IRQ_FIRST = BSP_OPBINTC_IRQ_LOWEST_OFFSET, |
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72 | /* |
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73 | * Note: for this BSP, the peripheral names are derived |
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74 | * from the Xilinx parameter file |
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75 | */ |
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76 | BSP_OPBINTC_IRQ_LAST = BSP_OPBINTC_IRQ_MAX_OFFSET, |
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77 | BSP_EXT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 0, |
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78 | BSP_PIT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 1, |
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79 | BSP_CRIT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 2 |
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80 | } rtems_irq_symbolic_name; |
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81 | |
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82 | #define BSP_OPBINTC_XPAR(xname) (BSP_OPBINTC_IRQ_LOWEST_OFFSET+xname) |
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83 | |
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84 | #ifdef __cplusplus |
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85 | } |
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86 | #endif |
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87 | #endif /* ASM */ |
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88 | |
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89 | #endif /* VIRTEX_IRQ_IRQ_H */ |
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