source: rtems/c/src/lib/libbsp/m68k/gen68360/include/bsp.h @ f8f370b6

4.104.114.84.95
Last change on this file since f8f370b6 was f8f370b6, checked in by Joel Sherrill <joel.sherrill@…>, on Apr 16, 1997 at 5:45:35 PM

Update from Eric Norum.

  • Property mode set to 100644
File size: 3.3 KB
Line 
1/*
2 * Board Support Package for `Generic' Motorola MC68360
3 *
4 * Based on the `gen68302' board support package, and covered by the
5 * original distribution terms.
6 *
7 * W. Eric Norum
8 * Saskatchewan Accelerator Laboratory
9 * University of Saskatchewan
10 * Saskatoon, Saskatchewan, CANADA
11 * eric@skatter.usask.ca
12 *
13 *  $Id$
14 */
15
16/*  bsp.h
17 *
18 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
19 *  On-Line Applications Research Corporation (OAR).
20 *  All rights assigned to U.S. Government, 1994.
21 *
22 *  This material may be reproduced by or for the U.S. Government pursuant
23 *  to the copyright license under the clause at DFARS 252.227-7013.  This
24 *  notice must appear in all copies of this file and its derivatives.
25 */
26
27#ifndef __GEN68360_BSP_h
28#define __GEN68360_BSP_h
29
30#ifdef __cplusplus
31extern "C" {
32#endif
33
34#include <rtems.h>
35#include <console.h>
36#include <iosupp.h>
37#include <clockdrv.h>
38
39/*
40 *  Define the time limits for RTEMS Test Suite test durations.
41 *  Long test and short test duration limits are provided.  These
42 *  values are in seconds and need to be converted to ticks for the
43 *  application.
44 *
45 */
46
47#define MAX_LONG_TEST_DURATION       300 /* 5 minutes = 300 seconds */
48#define MAX_SHORT_TEST_DURATION      3   /* 3 seconds */
49
50/*
51 *  Stuff for Time Test 27
52 *  Don't bother with hardware -- just use a software-interrupt
53 */
54
55#define MUST_WAIT_FOR_INTERRUPT 0
56
57#define Install_tm27_vector( handler ) set_vector( (handler), 34, 1 )
58
59#define Cause_tm27_intr()       asm volatile ("trap #2");
60
61#define Clear_tm27_intr()
62
63#define Lower_tm27_intr()
64
65/*
66 *  Simple spin delay in microsecond units for device drivers.
67 *  This is very dependent on the clock speed of the target.
68 */
69
70#define delay( microseconds ) \
71  { register rtems_unsigned32 _delay=(microseconds); \
72    register rtems_unsigned32 _tmp=123; \
73    asm volatile( "0: \
74                     nbcd      %0 ; \
75                     nbcd      %0 ; \
76                     dbf       %1,0b" \
77                  : "=d" (_tmp), "=d" (_delay) \
78                  : "0"  (_tmp), "1"  (_delay) ); \
79  }
80
81/* Constants */
82
83/* Structures */
84
85#ifdef GEN68360_INIT
86#undef EXTERN
87#define EXTERN
88#else
89#undef EXTERN
90#define EXTERN extern
91#endif
92
93/*
94 *  Device Driver Table Entries
95 */
96
97/*
98 * NOTE: Use the standard Console driver entry
99 */
100 
101/*
102 * NOTE: Use the standard Clock driver entry
103 */
104
105/*
106 * How many libio files we want
107 */
108
109#define BSP_LIBIO_MAX_FDS       20
110
111/* miscellaneous stuff assumed to exist */
112
113extern rtems_configuration_table BSP_Configuration;
114
115extern m68k_isr_entry M68Kvec[];   /* vector table address */
116
117/* functions */
118
119void bsp_cleanup( void );
120
121void M360ExecuteRISC( rtems_unsigned16 command );
122void *M360AllocateBufferDescriptors( int count );
123void *M360AllocateRiscTimers( int count );
124
125m68k_isr_entry set_vector(
126  rtems_isr_entry     handler,
127  rtems_vector_number vector,
128  int                 type
129);
130
131/*
132 * Values assigned by link editor
133 */
134extern void *_RomBase, *_RamBase, *_RamSize;
135
136/*
137 * Definitions for Atlas Computer Equipment Inc. High Speed Bridge (HSB)
138 */
139#define ATLASHSB_ESR    0x20010000L
140#define ATLASHSB_USICR  0x20010001L
141#define ATLASHSB_DSRR   0x20010002L
142#define ATLASHSB_LED4   0x20010004L
143#define ATLASHSB_ROM_U6 0xFF080000L     /* U6 flash ROM socket */
144
145#ifdef __cplusplus
146}
147#endif
148
149#endif
150/* end of include file */
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