source: rtems/c/src/lib/libcpu/powerpc/mpc55xx/include/irq.h @ 574fb67

4.104.114.9
Last change on this file since 574fb67 was 574fb67, checked in by Thomas Doerfler <Thomas.Doerfler@…>, on Jul 14, 2008 at 4:15:28 PM

updated gen83xx BSP
updated haleakala BSP
added MPC55xx BSP

  • Property mode set to 100644
File size: 2.5 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup mpc55xx
5 *
6 * @brief IRQ
7 */
8
9/*
10 * Copyright (c) 2008
11 * Embedded Brains GmbH
12 * Obere Lagerstr. 30
13 * D-82178 Puchheim
14 * Germany
15 * rtems@embedded-brains.de
16 *
17 * The license and distribution terms for this file may be found in the file
18 * LICENSE in this distribution or at http://www.rtems.com/license/LICENSE.
19 */
20
21#ifndef LIBBSP_POWERPC_IRQ_H
22#define LIBBSP_POWERPC_IRQ_H
23
24#include <rtems/irq-extension.h>
25#include <rtems/irq.h>
26
27#ifdef __cplusplus
28extern "C" {
29#endif /* __cplusplus */
30
31/*
32 * Interrupt numbers
33 */
34
35/* Basics */
36#define MPC55XX_IRQ_MIN 0
37#define MPC55XX_IRQ_MAX 328
38#define MPC55XX_IRQ_BASE MPC55XX_IRQ_MIN
39#define MPC55XX_IRQ_NUMBER (MPC55XX_IRQ_MAX + 1)
40
41/* Software interrupts */
42#define MPC55XX_IRQ_SOFTWARE_MIN 0
43#define MPC55XX_IRQ_SOFTWARE_MAX 7
44#define MPC55XX_IRQ_SOFTWARE_NUMBER (MPC55XX_IRQ_SOFTWARE_MAX + 1)
45
46/* eDMA interrupts */
47#define MPC55XX_IRQ_EDMA_ERROR_LOW 10
48#define MPC55XX_IRQ_EDMA_ERROR_HIGH 210
49#define MPC55XX_IRQ_EDMA_REQUEST_LOW_MIN 11
50#define MPC55XX_IRQ_EDMA_REQUEST_LOW_MAX 42
51#define MPC55XX_IRQ_EDMA_REQUEST_HIGH_MIN 211
52#define MPC55XX_IRQ_EDMA_REQUEST_HIGH_MAX 242
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))
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))
55
56/* Checks */
57#define MPC55XX_IRQ_IS_VALID(i) ((i) >= MPC55XX_IRQ_MIN && (i) <= MPC55XX_IRQ_MAX)
58#define MPC55XX_IRQ_IS_SOFTWARE(i) ((i) >= MPC55XX_IRQ_SOFTWARE_MIN && (i) <= MPC55XX_IRQ_SOFTWARE_MAX)
59
60/*
61 * Interrupt controller
62 */
63
64#define MPC55XX_INTC_INVALID_PRIORITY -1
65#define MPC55XX_INTC_DISABLED_PRIORITY 0
66#define MPC55XX_INTC_MIN_PRIORITY 1
67#define MPC55XX_INTC_MAX_PRIORITY 15
68#define MPC55XX_INTC_DEFAULT_PRIORITY MPC55XX_INTC_MIN_PRIORITY
69#define MPC55XX_INTC_IS_VALID_PRIORITY(p) ((p) >= MPC55XX_INTC_DISABLED_PRIORITY && (p) <= MPC55XX_INTC_MAX_PRIORITY)
70
71rtems_status_code mpc55xx_interrupt_handler_install(
72        rtems_vector_number vector,
73        int priority,
74        const char *info,
75        rtems_option options,
76        rtems_interrupt_handler handler,
77        void *arg
78);
79
80rtems_status_code mpc55xx_intc_get_priority( int i, int *p);
81
82rtems_status_code mpc55xx_intc_set_priority( int i, int p);
83
84rtems_status_code mpc55xx_intc_raise_software_irq( int i);
85
86rtems_status_code mpc55xx_intc_clear_software_irq( int i);
87
88#ifdef __cplusplus
89};
90#endif /* __cplusplus */
91
92#endif /* LIBBSP_POWERPC_IRQ_H */
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