source: rtems/c/src/lib/libbsp/i386/ts_386ex/include/bsp.h @ 3299388d

4.104.114.84.95
Last change on this file since 3299388d was e61df10, checked in by Joel Sherrill <joel.sherrill@…>, on 09/04/03 at 18:51:28

2003-09-04 Joel Sherrill <joel@…>

  • clock/ckinit.c, clock/rtc.c, console/console.c, include/bsp.h, include/coverhd.h, network/ne2000.c, start/80386ex.h, start/80386ex.inc, start/macros.inc, start/start.S, startup/bspstart.c, startup/linkcmds, startup/setvec.c, timer/timer.c, timer/timerisr.S, tools/debug_ada/init.c, tools/debug_c/init.c, tools/debug_c/serial_gdb.c, tools/debug_c/system.h, tools/network_ada/listener/init.c, tools/network_ada/tcprelay/init.c, tools/ts_1325_ada/init.c: URL for license changed.
  • Property mode set to 100644
File size: 5.0 KB
Line 
1/*
2 *  This include file definitions related to an Intel i386ex board.
3 *
4 *  COPYRIGHT (c) 1989-1999.
5 *  On-Line Applications Research Corporation (OAR).
6 *
7 *  The license and distribution terms for this file may be
8 *  found in the file LICENSE in this distribution or at
9 *  http://www.rtems.com/license/LICENSE.
10 *
11 *  $Id$
12 */
13
14
15#ifndef __TS386_h
16#define __TS386_h
17
18#ifdef __cplusplus
19extern "C" {
20#endif
21
22#include <bspopts.h>
23
24#include <rtems.h>
25#include <iosupp.h>
26#include <console.h>
27#include <clockdrv.h>
28#include <rtems/bspIo.h>
29#include <libcpu/cpu.h>
30#include <irq.h>
31
32/*
33 *  confdefs.h overrides for this BSP:
34 *   - 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  (8 * 1024)
40 
41/*
42 * Network driver configuration
43 */
44
45struct rtems_bsdnet_ifconfig;
46extern int rtems_ne_driver_attach (struct rtems_bsdnet_ifconfig *config);
47
48extern void Wait_X_ms (unsigned);
49
50#define RTEMS_BSP_NETWORK_DRIVER_NAME         "ne1"
51#define RTEMS_BSP_NETWORK_DRIVER_ATTACH       rtems_ne_driver_attach
52
53#define NE2000_BYTE_TRANSFERS
54
55/*
56 * Constants relating to the 8254 (or 8253) programmable interval timers.
57 */
58
59#define TIMER_CONFIG   0xF834
60#define IO_TIMER1      0xF040
61
62  /* Port address of the control port and timer channels */
63
64#define TIMER_CNTR0    (IO_TIMER1 + 0) /* timer 0 counter port           */
65#define TIMER_CNTR1    (IO_TIMER1 + 1) /* timer 1 counter port           */
66#define TIMER_CNTR2    (IO_TIMER1 + 2) /* timer 2 counter port           */
67#define TIMER_MODE     (IO_TIMER1 + 3) /* timer mode port                */
68#define TIMER_SEL0     0x00            /* select counter 0               */
69#define TIMER_SEL1     0x40            /* select counter 1               */
70#define TIMER_SEL2     0x80            /* select counter 2               */
71#define TIMER_INTTC    0x00            /* mode 0, intr on terminal cnt   */
72#define TIMER_ONESHOT  0x02            /* mode 1, one shot               */
73#define TIMER_RATEGEN  0x04            /* mode 2, rate generator         */
74#define TIMER_SQWAVE   0x06            /* mode 3, square wave            */
75#define TIMER_SWSTROBE 0x08            /* mode 4, s/w triggered strobe   */
76#define TIMER_HWSTROBE 0x0a            /* mode 5, h/w triggered strobe   */
77#define TIMER_LATCH    0x00            /* latch counter for reading      */
78#define TIMER_LSB      0x10            /* r/w counter LSB                */
79#define TIMER_MSB      0x20            /* r/w counter MSB                */
80#define TIMER_16BIT    0x30            /* r/w counter 16 bits, LSB first */
81#define TIMER_BCD      0x01            /* count in BCD                   */
82
83/*
84 *  Define the time limits for RTEMS Test Suite test durations.
85 *  Long test and short test duration limits are provided.  These
86 *  values are in seconds and need to be converted to ticks for the
87 *  application.
88 *
89 */
90
91#define MAX_LONG_TEST_DURATION       300 /* 5 minutes = 300 seconds */
92#define MAX_SHORT_TEST_DURATION      3   /* 3 seconds */
93
94/*
95 *  Define the interrupt mechanism for Time Test 27
96 *
97 *  NOTE: Use a software interrupt for the i386.
98 */
99
100#define MUST_WAIT_FOR_INTERRUTPT 0
101
102
103#define Install_tm27_vector(handler) \
104{ \
105  rtems_isr_entry dummy; \
106  rtems_interrupt_catch(handler, 0x90, &dummy); \
107}
108#define Cause_tm27_intr()              asm volatile( "int $0x90" : : );
109
110#define Clear_tm27_intr()
111
112#define Lower_tm27_intr()
113
114/*
115 *  Simple spin delay in microsecond units for device drivers.
116 *  This is very dependent on the clock speed of the target.
117 */
118
119#define rtems_bsp_delay( _microseconds ) \
120  { \
121    rtems_unsigned32 _counter; \
122    \
123    _counter = (_microseconds); \
124    \
125    asm volatile ( "0: nop;" \
126                   " mov %0,%0 ;" \
127                   " loop 0b" : "=c" (_counter) \
128                              : "0"  (_counter) \
129                 ); \
130    \
131  }
132
133/* Constants */
134
135#define RAM_START 0
136
137/* replaced the earlier EI kludge of 0xfffff */
138
139#define RAM_END   0x200000
140
141/* I/O addressing */
142
143/*
144 *#define Is_tx_ready( _status ) ( (_status) & 0x20 )
145 */
146/* dec 20. try the TE instead of TBE as the check */
147
148#define Is_tx_ready( _status ) ( (_status) & 0x40 )
149
150
151#define Is_rx_ready( _status ) ( (_status) & 0x01 )
152
153/* Structures */
154
155#ifdef F386_INIT
156#undef BSP_EXTERN
157#define BSP_EXTERN
158#else
159#undef BSP_EXTERN
160#define BSP_EXTERN extern
161#endif
162
163/*
164 *  Device Driver Table Entries
165 */
166 
167/*
168 * NOTE: Use the standard Console driver entry
169 */
170 
171/*
172 * NOTE: Use the standard Clock driver entry
173 */
174 
175/* miscellaneous stuff assumed to exist */
176
177extern rtems_configuration_table BSP_Configuration;
178
179#define IDT_SIZE 256
180#define GDT_SIZE 3
181
182extern interrupt_gate_descriptor Interrupt_descriptor_table[IDT_SIZE];
183extern segment_descriptors Global_descriptor_table   [GDT_SIZE];
184
185BSP_EXTERN unsigned short Idt[3];  /* Interrupt Descriptor Table Address */
186BSP_EXTERN unsigned short Gdt[3];  /* Global Descriptor Table Address */
187BSP_EXTERN unsigned int   Idt_base;
188BSP_EXTERN unsigned int   Gdt_base;
189
190/* routines */
191
192#ifdef __cplusplus
193}
194#endif
195
196#endif
197/* end of include file */
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