source: rtems/c/src/lib/libbsp/i960/rxgen960/include/bsp.h @ df49c60

4.104.114.84.9
Last change on this file since df49c60 was df49c60, checked in by Joel Sherrill <joel.sherrill@…>, on Jun 12, 2000 at 3:00:15 PM

Merged from 4.5.0-beta3a

  • Property mode set to 100644
File size: 3.5 KB
Line 
1/*  bsp.h
2 *
3 *  This include file contains some definitions specific to the
4 *  Ramix PMC901 board
5 *
6 *  COPYRIGHT (c) 1989-1997.
7 *  On-Line Applications Research Corporation (OAR).
8 *  Copyright assigned to U.S. Government, 1994.
9 *
10 *  The license and distribution terms for this file may in
11 *  the file LICENSE in this distribution or at
12 *  http://www.OARcorp.com/rtems/license.html.
13 *
14 *  $Id$
15 */
16
17#ifndef __PMC901_h
18#define __PMC901_h
19
20#ifdef __cplusplus
21extern "C" {
22#endif
23
24#include <rtems.h>
25#include <iosupp.h>
26#include <console.h>
27#include <clockdrv.h>
28
29/*
30 *  confdefs.h overrides for this BSP:
31 *   - number of termios serial ports (defaults to 1)
32 *   - Interrupt stack space is not minimum if defined.
33 */
34
35/* #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 */
36#define CONFIGURE_INTERRUPT_STACK_MEMORY  (8 * 1024)
37
38/*
39 *  Define the time limits for RTEMS Test Suite test durations.
40 *  Long test and short test duration limits are provided.  These
41 *  values are in seconds and need to be converted to ticks for the
42 *  application.
43 *
44 */
45
46#define MAX_LONG_TEST_DURATION       300 /* 5 minutes = 300 seconds */
47#define MAX_SHORT_TEST_DURATION      3   /* 3 seconds */
48
49/*
50 *  Define the interrupt mechanism for Time Test 27
51 *
52 *  NOTE: Following are for i960CA and are board independent
53 *
54 */
55
56#define MUST_WAIT_FOR_INTERRUPT 0
57
58#define Install_tm27_vector( handler ) set_vector( (handler), 6, 1 )
59
60#define Cause_tm27_intr()  i960_cause_intr( 0x62 )
61
62#define Clear_tm27_intr()  i960_clear_intr( 6 )
63
64#define Lower_tm27_intr()
65
66/*
67 *  Simple spin delay in microsecond units for device drivers.
68 *  This is very dependent on the clock speed of the target.
69 */
70
71#define delay( microseconds ) \
72  { register rtems_unsigned32 _delay=(microseconds); \
73    register rtems_unsigned32 _tmp = 0; /* initialized to avoid warning */ \
74    asm volatile( "0: \
75                     remo      3,31,%0 ; \
76                     cmpo      0,%0 ; \
77                     subo      1,%1,%1 ; \
78                     cmpobne.t 0,%1,0b " \
79                  : "=d" (_tmp), "=d" (_delay) \
80                  : "0"  (_tmp), "1"  (_delay) ); \
81  }
82
83/* Constants */
84
85#define RAM_START 0xfed00000
86#define RAM_END   0xfef00000 /* this should actually be 16MB, most likely */
87
88/* NINDY console I/O requests:
89 *   CO sends a single character to stdout,
90 *   CI reads one.
91 */
92
93#define NINDY_INPUT   0
94#define NINDY_OUTPUT  1
95
96/*
97 *  get_prcb
98 *
99 *  Returns the PRCB pointer.
100 */
101
102static inline i960_PRCB *get_prcb( void )
103{
104  register i960_PRCB *_prcb = 0;
105
106  asm volatile( "calls 5; \
107                 mov   g0,%0" \
108                 : "=d" (_prcb) \
109                 : "0" (_prcb) );
110  return ( _prcb );
111}
112
113/*
114#ifdef C961_INIT
115#undef BSP_EXTERN
116#define BSP_EXTERN
117#else
118#undef BSP_EXTERN
119#define BSP_EXTERN extern
120#endif
121*/
122
123#undef BSP_EXTERN
124#define BSP_EXTERN
125
126/* miscellaneous stuff assumed to exist */
127
128extern rtems_configuration_table BSP_Configuration;
129
130BSP_EXTERN i960_PRCB          *Prcb;
131BSP_EXTERN i960_control_table *Ctl_tbl;
132
133/*
134 *  Device Driver Table Entries
135 */
136
137/*
138 * NOTE: Use the standard Console driver entry
139 */
140 
141/*
142 * NOTE: Use the standard Clock driver entry
143 */
144
145/*
146 * How many libio files we want
147 */
148
149#define BSP_LIBIO_MAX_FDS       20
150
151/* functions */
152
153void bsp_cleanup( void );
154
155i960_isr_entry set_vector( rtems_isr_entry, unsigned int, unsigned int );
156i960_isr_entry set_tmr_vector( rtems_isr_entry, unsigned int, unsigned int );
157
158#ifdef __cplusplus
159}
160#endif
161
162#else
163#error "Did not get any definitions from here!"
164#endif
165/* end of include file */
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