source: rtems/c/src/lib/libbsp/i960/cvme961/include/bsp.h @ 3344730a

4.104.114.84.95
Last change on this file since 3344730a was 3344730a, checked in by Ralf Corsepius <ralf.corsepius@…>, on 04/21/04 at 16:21:25

2004-04-21 Ralf Corsepius <ralf_corsepius@…>

PR 613/bsps

  • include/bsp.h: Remove MAX_LONG_TEST_DURATION.
  • Property mode set to 100644
File size: 3.0 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) 1989-1999.
8 *  On-Line Applications Research Corporation (OAR).
9 *
10 *  The license and distribution terms for this file may be
11 *  found in the file LICENSE in this distribution or at
12 *  http://www.rtems.com/license/LICENSE.
13 *
14 *  $Id$
15 */
16
17#ifndef __CVME961_h
18#define __CVME961_h
19
20#ifdef __cplusplus
21extern "C" {
22#endif
23
24#include <bspopts.h>
25
26#include <rtems.h>
27#include <libcpu/i960CA.h>
28#include <rtems/iosupp.h>
29#include <rtems/console.h>
30#include <rtems/clockdrv.h>
31
32/*
33 *  confdefs.h overrides for this BSP:
34 *   - number of termios serial ports (defaults to 1)
35 *   - Interrupt stack space is not minimum if defined.
36 */
37
38/* #define CONFIGURE_NUMBER_OF_TERMIOS_PORTS 2 */
39#define CONFIGURE_INTERRUPT_STACK_MEMORY  (4 * 1024)
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 rtems_bsp_delay( microseconds ) \
64  { register uint32_t         _delay=(microseconds); \
65    register uint32_t         _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/* functions */
133
134void bsp_cleanup( void );
135
136i960_isr_entry set_vector( rtems_isr_entry, unsigned int, unsigned int );
137
138#ifdef __cplusplus
139}
140#endif
141
142#endif
143/* end of include file */
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