OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [rtos/] [ecos-3.0/] [packages/] [hal/] [sh/] [hs7729pci/] [current/] [include/] [plf_intr.h] - Blame information for rev 794

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 786 skrzyp
#ifndef CYGONCE_HAL_PLF_INTR_H
2
#define CYGONCE_HAL_PLF_INTR_H
3
 
4
//==========================================================================
5
//
6
//      plf_intr.h
7
//
8
//      Platform specific Interrupt and clock support
9
//
10
//==========================================================================
11
// ####ECOSGPLCOPYRIGHTBEGIN####                                            
12
// -------------------------------------------                              
13
// This file is part of eCos, the Embedded Configurable Operating System.   
14
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
15
//
16
// eCos is free software; you can redistribute it and/or modify it under    
17
// the terms of the GNU General Public License as published by the Free     
18
// Software Foundation; either version 2 or (at your option) any later      
19
// version.                                                                 
20
//
21
// eCos is distributed in the hope that it will be useful, but WITHOUT      
22
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or    
23
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
24
// for more details.                                                        
25
//
26
// You should have received a copy of the GNU General Public License        
27
// along with eCos; if not, write to the Free Software Foundation, Inc.,    
28
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.            
29
//
30
// As a special exception, if other files instantiate templates or use      
31
// macros or inline functions from this file, or you compile this file      
32
// and link it with other works to produce a work based on this file,       
33
// this file does not by itself cause the resulting work to be covered by   
34
// the GNU General Public License. However the source code for this file    
35
// must still be made available in accordance with section (3) of the GNU   
36
// General Public License v2.                                               
37
//
38
// This exception does not invalidate any other reasons why a work based    
39
// on this file might be covered by the GNU General Public License.         
40
// -------------------------------------------                              
41
// ####ECOSGPLCOPYRIGHTEND####                                              
42
//==========================================================================
43
//#####DESCRIPTIONBEGIN####
44
//
45
// Author(s):    jskov
46
// Contributors: jskov
47
// Date:         2001-05-25
48
// Purpose:      Define Interrupt support
49
// Description:  The macros defined here provide the HAL APIs for handling
50
//               interrupts and the clock for the HS7729PCI board.
51
// Usage:
52
//               #include <cyg/hal/plf_intr.h>
53
//               ...
54
//              
55
//
56
//####DESCRIPTIONEND####
57
//
58
//==========================================================================
59
 
60
#include <pkgconf/hal.h>
61
 
62
//----------------------------------------------------------------------------
63
// External interrupts
64
#define CYGNUM_HAL_INTERRUPT_EXTERNALS_BASE CYGNUM_HAL_INTERRUPT_LVL0
65
#define CYGNUM_HAL_INTERRUPT_PCI            CYGNUM_HAL_INTERRUPT_LVL0
66
#define CYGNUM_HAL_INTERRUPT_UIO_IRQ4       CYGNUM_HAL_INTERRUPT_LVL1
67
#define CYGNUM_HAL_INTERRUPT_SLOT_IRQ1      CYGNUM_HAL_INTERRUPT_LVL2
68
#define CYGNUM_HAL_INTERRUPT_UIO_IRQ12      CYGNUM_HAL_INTERRUPT_LVL3
69
#define CYGNUM_HAL_INTERRUPT_PCMCIA_IRQ0    CYGNUM_HAL_INTERRUPT_LVL4
70
#define CYGNUM_HAL_INTERRUPT_UIO_IRQ5       CYGNUM_HAL_INTERRUPT_LVL5
71
#define CYGNUM_HAL_INTERRUPT_USB1           CYGNUM_HAL_INTERRUPT_LVL6
72
#define CYGNUM_HAL_INTERRUPT_UIO_IRQ8       CYGNUM_HAL_INTERRUPT_LVL7
73
#define CYGNUM_HAL_INTERRUPT_UIO_IRQ1       CYGNUM_HAL_INTERRUPT_LVL8
74
#define CYGNUM_HAL_INTERRUPT_RESERVED1      CYGNUM_HAL_INTERRUPT_LVL9
75
#define CYGNUM_HAL_INTERRUPT_PCMCIA_IRQ2    CYGNUM_HAL_INTERRUPT_LVL10
76
#define CYGNUM_HAL_INTERRUPT_USB2           CYGNUM_HAL_INTERRUPT_LVL11
77
#define CYGNUM_HAL_INTERRUPT_RESERVED2      CYGNUM_HAL_INTERRUPT_LVL12
78
#define CYGNUM_HAL_INTERRUPT_SLOT_IRQ5      CYGNUM_HAL_INTERRUPT_LVL13
79
#define CYGNUM_HAL_INTERRUPT_UIO_IRQ3       CYGNUM_HAL_INTERRUPT_LVL14
80
 
81
// Decoded interrupts - these follow the INTC v3 vectors defined in
82
// var_intr.h
83
#define CYGNUM_HAL_INTERRUPT_PCIA           66
84
#define CYGNUM_HAL_INTERRUPT_PCIB           67
85
#define CYGNUM_HAL_INTERRUPT_PCIC           68
86
#define CYGNUM_HAL_INTERRUPT_PCID           69
87
 
88
#define CYGNUM_HAL_ISR_PLF_MAX              CYGNUM_HAL_INTERRUPT_PCID
89
 
90
//----------------------------------------------------------------------------
91
// Interrupt configuration extention macros
92
#define CYGPRI_HAL_INTERRUPT_UPDATE_LEVEL_PLF(vec, level)                               \
93
 case CYGNUM_HAL_INTERRUPT_NMI:                                                         \
94
     /* fall through */                                                                 \
95
 case CYGNUM_HAL_INTERRUPT_LVL0 ... CYGNUM_HAL_INTERRUPT_LVL14:                         \
96
     /* Cannot change levels */                                                         \
97
     break;                                                                             \
98
 case CYGNUM_HAL_INTERRUPT_PCIA ... CYGNUM_HAL_INTERRUPT_PCID:                          \
99
  {                                                                                     \
100
      cyg_uint32 msk;                                                                   \
101
      HAL_READ_UINT32(CYGARC_REG_SD0001_INT_ENABLE, msk);                               \
102
      msk &= ~(CYGARC_REG_SD0001_INT_INTA << ((vec) - CYGNUM_HAL_INTERRUPT_PCIA));      \
103
      msk |= CYGARC_REG_SD0001_INT_EN;                                                  \
104
      if ((level))                                                                      \
105
          msk |= CYGARC_REG_SD0001_INT_INTA << ((vec) - CYGNUM_HAL_INTERRUPT_PCIA);     \
106
      HAL_WRITE_UINT32(CYGARC_REG_SD0001_INT_ENABLE, msk);                              \
107
      break;                                                                            \
108
  }
109
 
110
#define CYGPRI_HAL_INTERRUPT_ACKNOWLEDGE_PLF(vec)                                       \
111
  CYG_MACRO_START                                                                       \
112
  if (vec >= CYGNUM_HAL_INTERRUPT_PCIA && vec <= CYGNUM_HAL_INTERRUPT_PCID) {           \
113
      cyg_uint32 sts = CYGARC_REG_SD0001_INT_INTA << (vec - CYGNUM_HAL_INTERRUPT_PCIA); \
114
      HAL_WRITE_UINT32(CYGARC_REG_SD0001_INT_STS1, sts);                                \
115
  }                                                                                     \
116
  CYG_MACRO_END
117
 
118
//----------------------------------------------------------------------------
119
// Reset.
120
// Block interrupts and cause an exception. This forces a reset.
121
#define HAL_PLATFORM_RESET() \
122
    asm volatile ("ldc %0,sr;trapa #0x00;" : : "r" (CYGARC_REG_SR_BL))
123
 
124
#define HAL_PLATFORM_RESET_ENTRY 0x80000000
125
 
126
//--------------------------------------------------------------------------
127
#endif // ifndef CYGONCE_HAL_PLF_INTR_H
128
// End of plf_intr.h

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.