source: rtems/c/src/lib/libbsp/i960/cvme961/include/bsp.h @ f7fa7d7

4.104.114.84.95
Last change on this file since f7fa7d7 was 98e4ebf, checked in by Joel Sherrill <joel.sherrill@…>, on Oct 8, 1997 at 3:45:54 PM

Fixed typo in the pointer to the license terms.

  • Property mode set to 100644
File size: 3.1 KB
Line 
1/*  bsp.h
2 *
3 *  This include file contains some definitions specific to the
4 *  Cyclone CVME960 and CVME961 boards.  These boards are the
5 *  same except the 960 uses SRAM and the 961 DRAM.
6 *
7 *  COPYRIGHT (c) 1989-1997.
8 *  On-Line Applications Research Corporation (OAR).
9 *  Copyright assigned to U.S. Government, 1994.
10 *
11 *  The license and distribution terms for this file may be
12 *  found in the file LICENSE in this distribution or at
13 *  http://www.OARcorp.com/rtems/license.html.
14 *
15 *  $Id$
16 */
17
18#ifndef __CVME961_h
19#define __CVME961_h
20
21#ifdef __cplusplus
22extern "C" {
23#endif
24
25#include <rtems.h>
26#include <iosupp.h>
27#include <console.h>
28#include <clockdrv.h>
29
30/*
31 *  Define the time limits for RTEMS Test Suite test durations.
32 *  Long test and short test duration limits are provided.  These
33 *  values are in seconds and need to be converted to ticks for the
34 *  application.
35 *
36 */
37
38#define MAX_LONG_TEST_DURATION       300 /* 5 minutes = 300 seconds */
39#define MAX_SHORT_TEST_DURATION      3   /* 3 seconds */
40
41/*
42 *  Define the interrupt mechanism for Time Test 27
43 *
44 *  NOTE: Following are for i960CA and are board independent
45 *
46 */
47
48#define MUST_WAIT_FOR_INTERRUPT 0
49
50#define Install_tm27_vector( handler ) set_vector( (handler), 6, 1 )
51
52#define Cause_tm27_intr()  i960_cause_intr( 0x62 )
53
54#define Clear_tm27_intr()  i960_clear_intr( 6 )
55
56#define Lower_tm27_intr()
57
58/*
59 *  Simple spin delay in microsecond units for device drivers.
60 *  This is very dependent on the clock speed of the target.
61 */
62
63#define delay( microseconds ) \
64  { register rtems_unsigned32 _delay=(microseconds); \
65    register rtems_unsigned32 _tmp = 0; /* initialized to avoid warning */ \
66    asm volatile( "0: \
67                     remo      3,31,%0 ; \
68                     cmpo      0,%0 ; \
69                     subo      1,%1,%1 ; \
70                     cmpobne.t 0,%1,0b " \
71                  : "=d" (_tmp), "=d" (_delay) \
72                  : "0"  (_tmp), "1"  (_delay) ); \
73  }
74
75/* Constants */
76
77#define RAM_START 0
78#define RAM_END   0x100000
79
80/* NINDY console I/O requests:
81 *   CO sends a single character to stdout,
82 *   CI reads one.
83 */
84
85#define NINDY_INPUT   0
86#define NINDY_OUTPUT  1
87
88/*
89 *  get_prcb
90 *
91 *  Returns the PRCB pointer.
92 */
93
94static inline i960ca_PRCB *get_prcb( void )
95{
96  register i960ca_PRCB *_prcb = 0;
97
98  asm volatile( "calls 5; \
99                 mov   g0,%0" \
100                 : "=d" (_prcb) \
101                 : "0" (_prcb) );
102  return ( _prcb );
103}
104
105#ifdef C961_INIT
106#undef BSP_EXTERN
107#define BSP_EXTERN
108#else
109#undef BSP_EXTERN
110#define BSP_EXTERN extern
111#endif
112
113/* miscellaneous stuff assumed to exist */
114
115extern rtems_configuration_table BSP_Configuration;
116
117BSP_EXTERN i960ca_PRCB          *Prcb;
118BSP_EXTERN i960ca_control_table *Ctl_tbl;
119
120/*
121 *  Device Driver Table Entries
122 */
123
124/*
125 * NOTE: Use the standard Console driver entry
126 */
127 
128/*
129 * NOTE: Use the standard Clock driver entry
130 */
131
132/*
133 * How many libio files we want
134 */
135
136#define BSP_LIBIO_MAX_FDS       20
137
138/* functions */
139
140void bsp_cleanup( void );
141
142i960_isr_entry set_vector( rtems_isr_entry, unsigned int, unsigned int );
143
144#ifdef __cplusplus
145}
146#endif
147
148#endif
149/* end of include file */
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