[a77c3719] | 1 | /** |
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| 2 | * @file |
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| 3 | * |
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| 4 | * @ingroup powerpc_irq |
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| 5 | * |
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| 6 | * @brief This include file describe the data structure and the functions |
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| 7 | * implemented by RTEMS to write interrupt handlers. |
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| 8 | */ |
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| 9 | |
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[b599faa] | 10 | /* irq.h |
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| 11 | * |
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| 12 | * This include file describe the data structure and the functions implemented |
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| 13 | * by RTEMS to write interrupt handlers. |
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| 14 | * |
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| 15 | * Copyright (C) 1999 valette@crf.canon.fr |
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| 16 | * |
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| 17 | * This code is heavilly inspired by the public specification of STREAM V2 |
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| 18 | * that can be found at : |
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| 19 | * |
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| 20 | * <http://www.chorus.com/Documentation/index.html> by following |
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| 21 | * the STREAM API Specification Document link. |
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| 22 | * |
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| 23 | * The license and distribution terms for this file may be |
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[0c875c6a] | 24 | * found in the file LICENSE in this distribution or at |
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[c499856] | 25 | * http://www.rtems.org/license/LICENSE. |
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[b599faa] | 26 | * |
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| 27 | * Adapted for the mvme3100 BSP by T. Straumann, 2007. |
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| 28 | */ |
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| 29 | |
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| 30 | #ifndef BSP_POWERPC_IRQ_H |
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| 31 | #define BSP_POWERPC_IRQ_H |
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| 32 | |
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| 33 | #define BSP_SHARED_HANDLER_SUPPORT 1 |
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| 34 | #include <rtems/irq.h> |
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| 35 | |
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| 36 | #ifndef ASM |
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| 37 | |
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| 38 | #ifdef __cplusplus |
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| 39 | extern "C" { |
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| 40 | #endif |
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| 41 | |
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[a77c3719] | 42 | /** |
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| 43 | * @defgroup powerpc_irq Definitions |
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| 44 | * |
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[c991eeec] | 45 | * @ingroup RTEMSBSPsPowerPCMVME3100 |
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[a77c3719] | 46 | * |
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| 47 | * @brief rtems_irq_number Definitions |
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[b599faa] | 48 | */ |
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| 49 | |
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| 50 | /* Must pad number of external sources to 16 because |
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| 51 | * of the layout of vector/priority registers in the |
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| 52 | * 8540's openpic where there is a gap between |
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| 53 | * registers corresponding to external and core sources. |
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| 54 | */ |
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| 55 | #define BSP_EXT_IRQ_NUMBER (16) |
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| 56 | #define BSP_CORE_IRQ_NUMBER (32) |
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| 57 | |
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| 58 | /* openpic glue code from shared/irq assigns priorities and configures |
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| 59 | * initial ISRs for BSP_PCI_IRQ_NUMBER entries (plus ISA stuff on legacy |
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| 60 | * boards). Hence PCI_IRQ_NUMBER must also cover the internal sources |
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| 61 | * even though they have nothing to do with PCI. |
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| 62 | */ |
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| 63 | #define BSP_PCI_IRQ_NUMBER (BSP_EXT_IRQ_NUMBER + BSP_CORE_IRQ_NUMBER) |
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| 64 | #define BSP_PCI_IRQ_LOWEST_OFFSET (0) |
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| 65 | #define BSP_PCI_IRQ_MAX_OFFSET (BSP_PCI_IRQ_LOWEST_OFFSET + BSP_PCI_IRQ_NUMBER - 1) |
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| 66 | |
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| 67 | #define BSP_CORE_IRQ_LOWEST_OFFSET (BSP_PCI_IRQ_LOWEST_OFFSET + BSP_EXT_IRQ_NUMBER) |
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| 68 | #define BSP_CORE_IRQ_MAX_OFFSET (BSP_CORE_IRQ_LOWEST_OFFSET + BSP_CORE_IRQ_NUMBER - 1) |
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| 69 | |
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| 70 | /* |
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| 71 | * PowerPC exceptions handled as interrupt where an RTEMS managed interrupt |
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| 72 | * handler might be connected |
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| 73 | */ |
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| 74 | #define BSP_PROCESSOR_IRQ_NUMBER (1) |
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| 75 | #define BSP_PROCESSOR_IRQ_LOWEST_OFFSET (BSP_CORE_IRQ_MAX_OFFSET + 1) |
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| 76 | #define BSP_PROCESSOR_IRQ_MAX_OFFSET (BSP_PROCESSOR_IRQ_LOWEST_OFFSET + BSP_PROCESSOR_IRQ_NUMBER - 1) |
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| 77 | /* Misc vectors for OPENPIC irqs (IPI, timers) |
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| 78 | */ |
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| 79 | #define BSP_MISC_IRQ_NUMBER (8) |
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| 80 | #define BSP_MISC_IRQ_LOWEST_OFFSET (BSP_PROCESSOR_IRQ_MAX_OFFSET + 1) |
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| 81 | #define BSP_MISC_IRQ_MAX_OFFSET (BSP_MISC_IRQ_LOWEST_OFFSET + BSP_MISC_IRQ_NUMBER - 1) |
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| 82 | /* |
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| 83 | * Summary |
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| 84 | */ |
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| 85 | #define BSP_IRQ_NUMBER (BSP_MISC_IRQ_MAX_OFFSET + 1) |
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| 86 | #define BSP_LOWEST_OFFSET (BSP_PCI_IRQ_LOWEST_OFFSET) |
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| 87 | #define BSP_MAX_OFFSET (BSP_MISC_IRQ_MAX_OFFSET) |
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| 88 | |
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| 89 | /* |
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| 90 | * Some PCI IRQ symbolic name definition |
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| 91 | */ |
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| 92 | #define BSP_PCI_IRQ0 (BSP_PCI_IRQ_LOWEST_OFFSET) |
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| 93 | |
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| 94 | #define BSP_VME0_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 0) |
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| 95 | #define BSP_VME1_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 1) |
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| 96 | #define BSP_VME2_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 2) |
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| 97 | #define BSP_VME3_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 3) |
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| 98 | |
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| 99 | #define BSP_ABORT_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 8) |
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| 100 | #define BSP_TEMP_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 9) |
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| 101 | #define BSP_PHY_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 10) |
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| 102 | #define BSP_RTC_IRQ (BSP_PCI_IRQ_LOWEST_OFFSET + 11) |
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| 103 | |
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| 104 | /* Weird - they provide 3 different IRQ lines per ethernet controller |
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| 105 | * but only one shared line for 2 UARTs ??? |
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| 106 | */ |
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| 107 | #define BSP_UART_COM1_IRQ (BSP_CORE_IRQ_LOWEST_OFFSET + 26) |
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| 108 | #define BSP_UART_COM2_IRQ (BSP_CORE_IRQ_LOWEST_OFFSET + 26) |
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| 109 | #define BSP_I2C_IRQ (BSP_CORE_IRQ_LOWEST_OFFSET + 27) |
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| 110 | |
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[ac7af4a] | 111 | /* |
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[b599faa] | 112 | * Some internal (CORE) name definitions |
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| 113 | */ |
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| 114 | /* Ethernet (FEC) */ |
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| 115 | #define BSP_CORE_IRQ_FEC (BSP_CORE_IRQ_LOWEST_OFFSET + 25) |
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| 116 | /* i2c controller */ |
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| 117 | #define BSP_CORE_IRQ_I2C (BSP_CORE_IRQ_LOWEST_OFFSET + 27) |
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| 118 | |
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| 119 | /* |
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| 120 | * Some Processor execption handled as RTEMS IRQ symbolic name definition |
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| 121 | */ |
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| 122 | #define BSP_DECREMENTER (BSP_PROCESSOR_IRQ_LOWEST_OFFSET) |
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| 123 | |
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| 124 | /*-------------------------------------------------------------------------+ |
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| 125 | | Function Prototypes. |
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| 126 | +--------------------------------------------------------------------------*/ |
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| 127 | |
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| 128 | extern void BSP_rtems_irq_mng_init(unsigned cpuId); |
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| 129 | |
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| 130 | #include <bsp/irq_supp.h> |
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| 131 | |
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| 132 | #ifdef __cplusplus |
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| 133 | }; |
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| 134 | #endif |
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| 135 | |
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| 136 | #endif |
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| 137 | #endif |
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