source: rtems/c/src/lib/libbsp/m68k/dmv152/include/bsp.h @ 98e4ebf

4.104.114.84.95
Last change on this file since 98e4ebf 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: 4.7 KB
Line 
1/*  bsp.h
2 *
3 *  This include file contains all DMV152 board IO definitions.
4 *
5 *  COPYRIGHT (c) 1989-1997.
6 *  On-Line Applications Research Corporation (OAR).
7 *  Copyright assigned to U.S. Government, 1994.
8 *
9 *  The license and distribution terms for this file may be
10 *  found in the file LICENSE in this distribution or at
11 *  http://www.OARcorp.com/rtems/license.html.
12 *
13 *  $Id$
14 */
15
16#ifndef __DMV152_h
17#define __DMV152_h
18
19#ifdef __cplusplus
20extern "C" {
21#endif
22
23#include <rtems.h>
24#include <console.h>
25#include <clockdrv.h>
26#include <iosupp.h>
27#include <vmeintr.h>
28#include <zilog/z8530.h>
29#include <zilog/z8536.h>
30
31/*
32 *  Define the time limits for RTEMS Test Suite test durations.
33 *  Long test and short test duration limits are provided.  These
34 *  values are in seconds and need to be converted to ticks for the
35 *  application.
36 *
37 */
38
39#define MAX_LONG_TEST_DURATION       300 /* 5 minutes = 300 seconds */
40#define MAX_SHORT_TEST_DURATION      3   /* 3 seconds */
41
42/*
43 *  Define the interrupt mechanism for Time Test 27
44 */
45
46/* use a VMEbus interrupt */
47
48#define MUST_WAIT_FOR_INTERRUPT 1
49
50#define Install_tm27_vector( handler ) \
51  { \
52    set_vector( (handler), 0x50, 1 );  \
53    (*(volatile rtems_unsigned32 *)0x0d800024) = 0x50; /* set IVECT reg */ \
54    (*(volatile rtems_unsigned8  *)0x0d00000c) = 0x40; /* set VIE reg */ \
55  }
56
57#define Cause_tm27_intr()  \
58  (*(volatile rtems_unsigned8 *)0x0d000003) = 0x0f  /* set VINT */
59
60#define Clear_tm27_intr()  /* no operation necessary */
61
62#define Lower_tm27_intr()
63
64/*
65 *  Simple spin delay in microsecond units for device drivers.
66 *  This is very dependent on the clock speed of the target.
67 */
68
69#define delay( microseconds ) \
70  { register rtems_unsigned32 _delay=(microseconds); \
71    register rtems_unsigned32 _tmp=123; \
72    asm volatile( "0: \
73                     nbcd      %0 ; \
74                     nbcd      %0 ; \
75                     dbf       %1,0b" \
76                  : "=d" (_tmp), "=d" (_delay) \
77                  : "0"  (_tmp), "1"  (_delay) ); \
78  }
79
80/* macros */
81
82#undef Z8x36_STATE0
83#undef Z8x36_WRITE
84#undef Z8x36_READ
85
86#define Z8x36_STATE0 ( z8536 ) \
87  { char *garbage; \
88    (garbage) = *(VOL8(z8536+0x7)) \
89  }
90
91#define Z8x36_WRITE( z8536, reg, data ) \
92   *(VOL8(z8536+0x7)) = (reg); \
93   *(VOL8(z8536+0x7)) = (data)
94
95#define Z8x36_READ( z8536, reg, data ) \
96   *(VOL8(z8536+0x7)) = (reg); \
97   (data) = *(VOL8(z8536+0x7))
98
99/*
100 *  ACC Register Addresses
101 */
102
103#define ACC_BASE    0x0D000000
104
105#define ACC_STAT0   ((volatile rtems_unsigned8 *) (ACC_BASE + 0x00))
106#define ACC_STAT1   ((volatile rtems_unsigned8 *) (ACC_BASE + 0x01))
107#define ACC_GENCTL  ((volatile rtems_unsigned8 *) (ACC_BASE + 0x02))
108#define ACC_VINT    ((volatile rtems_unsigned8 *) (ACC_BASE + 0x03))
109#define ACC_VREQ    ((volatile rtems_unsigned8 *) (ACC_BASE + 0x04))
110#define ACC_VARB    ((volatile rtems_unsigned8 *) (ACC_BASE + 0x05))
111#define ACC_ID      ((volatile rtems_unsigned8 *) (ACC_BASE + 0x06))
112#define ACC_CTL2    ((volatile rtems_unsigned8 *) (ACC_BASE + 0x07))
113#define ACC_7IS     ((volatile rtems_unsigned8 *) (ACC_BASE + 0x08))
114#define ACC_LIS     ((volatile rtems_unsigned8 *) (ACC_BASE + 0x09))
115#define ACC_7IE     ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0A))
116#define ACC_LIE     ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0B))
117#define ACC_VIE     ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0C))
118#define ACC_IC10    ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0D))
119#define ACC_IC32    ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0E))
120#define ACC_IC54    ((volatile rtems_unsigned8 *) (ACC_BASE + 0x0F))
121
122/* constants */
123
124#define RAM_START 0
125#define RAM_END   0x100000
126
127#define USE_CHANNEL_A   0                /* 1 = use channel A for console */
128#define USE_CHANNEL_B   1                /* 1 = use channel B for console */
129
130#define TIMER 0x0c000000
131#define TIMER_VECTOR 0x4D
132
133#if (USE_CHANNEL_A == 1)
134#define CONSOLE_CONTROL  0x0C800007
135#define CONSOLE_DATA     0x0C800005
136#elif (USE_CHANNEL_B == 1)
137#define CONSOLE_CONTROL  0x0C800001
138#define CONSOLE_DATA     0x0C800003
139#endif
140
141/* Structures */
142
143#ifdef D152_INIT
144#undef EXTERN
145#define EXTERN
146#else
147#undef EXTERN
148#define EXTERN extern
149#endif
150
151/* miscellaneous stuff assumed to exist */
152
153extern rtems_configuration_table BSP_Configuration;
154
155extern m68k_isr_entry M68Kvec[];   /* vector table address */
156
157/*
158 *  Device Driver Table Entries
159 */
160
161/*
162 * NOTE: Use the standard Console driver entry
163 */
164 
165/*
166 * NOTE: Use the standard Clock driver entry
167 */
168
169/*
170 * How many libio files we want
171 */
172
173#define BSP_LIBIO_MAX_FDS       20
174
175/* functions */
176
177void bsp_cleanup( void );
178
179m68k_isr_entry set_vector(
180  rtems_isr_entry     handler,
181  rtems_vector_number vector,
182  int                 type
183);
184
185#ifdef __cplusplus
186}
187#endif
188
189#endif
190/* end of include file */
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