source: rtems/c/src/lib/libbsp/m68k/gen68360/README @ 396286a

4.104.114.84.95
Last change on this file since 396286a was 396286a, checked in by Joel Sherrill <joel.sherrill@…>, on 10/22/98 at 16:23:45

Patch from Eric Norum.

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Line 
1#
2#  $Id$
3#
4
5#
6# This package requires a version of GCC that supports the `-mcpu32' option.
7#
8
9#
10# Please send any comments, improvements, or bug reports to:
11#       W. Eric Norum
12#       Saskatchewan Accelerator Laboratory
13#       107 North Road
14#       University of Saskatchewan
15#       Saskatoon, Saskatchewan, CANADA
16#       S7N 5C6
17# eric@skatter.usask.ca
18#
19
20#
21# This board support package works with several different versions of
22# MC68360 systems.  See the conditional-compile tests in startup/init68360.c
23# for examples.
24#
25# Decisions made at compile time include:
26#       - If the CPU is a member of the 68040 family, the BSP is
27#         compiled for a generic 68040/68360 system as described
28#         in Chapter 9 of the MC68360 User's Manual.  This version
29#         can be used with the Arnewsh SBC360 card.
30#       - If the preprocessor symbol M68360_ATLAS_HSB is defined,
31#         the BSP is compiled for an Atlas HSB card.
32#       - Otherwise, the BSP is compiled for a generic 68360 system
33#         as described in Chapter 9 of the MC68360 User's Manual.  This
34#         version works with the Atlas ACE360 card.
35#
36# Decisions to be made a link-edit time are:
37#     - The size of the memory allocator heap.  The default value is
38#       64 kbytes.  If the network package is used the heap
39#       should be at least 256 kbytes.  If your network is large, or
40#       busy, the heap should be even larger.
41#       To choose a heap size of 256 kbytes,
42#       CFLAGS_LD += -Wl,--defsym -Wl,HeapSize=0x40000
43
44BSP NAME:           gen68360 or gen68360_040
45BOARD:              Generic 68360 as described in Motorola MC68360 User's Manual
46BOARD:              Atlas Computer Equipment Inc. High Speed Bridge (HSB)
47BOARD:              Atlas Computer Equipment Inc. Advanced Communication Engine (ACE)
48BOARD:              Arnewsh SBC360 68040/68360 card
49BUS:                none
50CPU FAMILY:         Motorola CPU32+, Motorola 68040
51COPROCESSORS:       none
52MODE:               not applicable
53
54DEBUG MONITOR:      none (Hardware provides BDM)
55
56PERIPHERALS
57===========
58TIMERS:             PIT, Watchdog, 4 general purpose, 16 RISC
59  RESOLUTION:       one microsecond
60SERIAL PORTS:       4 SCC, 2 SMC, 1 SPI
61REAL-TIME CLOCK:
62DMA:                Each serial port, 2 general purpose
63VIDEO:              none
64SCSI:               none
65NETWORKING:         Ethernet on SCC1.
66
67DRIVER INFORMATION
68==================
69CLOCK DRIVER:       Programmable Interval Timer
70IOSUPP DRIVER:      Serial Management Controller 1
71SHMSUPP:            none
72TIMER DRIVER:       Timer 1
73
74STDIO
75=====
76PORT:               SMC1
77ELECTRICAL:         EIA-232 (if board supplies level shifter)
78BAUD:               9600
79BITS PER CHARACTER: 8
80PARITY:             None
81STOP BITS:          1
82
83NOTES
84=====
85
86Board description
87-----------------
88clock rate:     25 MHz
89bus width:      8-bit PROM, 32-bit DRAM
90ROM:            To 1 MByte, 180 nsec (3 wait states), chip select 0
91RAM:            4 or 16 MBytes of 60 nsec parity DRAM (1Mx36) to RAS1*/CAS1*
92
93Host System
94-----------
95OPENSTEP 4.2 (Intel and Motorola), Solaris 2.5, Linux 2.0.29
96
97Verification (Standalone 68360)
98-------------------------------
99Single processor tests:  Passed
100Multi-processort tests:  not applicable
101Timing tests:
102        Context Switch
103
104        context switch: self 10
105        context switch: to another task 11
106        context switch: no floating point contexts 40
107        fp context switch: restore 1st FP task 41
108        fp context switch: save initialized, restore initialized 14
109        fp context switch: save idle, restore initialized 14
110        fp context switch: save idle, restore idle 43
111
112        Task Manager
113
114        rtems_task_create 133
115        rtems_task_ident 351
116        rtems_task_start 77
117        rtems_task_restart: calling task 93
118        rtems_task_restart: suspended task -- returns to caller 90
119        rtems_task_restart: blocked task -- returns to caller 120
120        rtems_task_restart: ready task -- returns to caller 92
121        rtems_task_restart: suspended task -- preempts caller 121
122        rtems_task_restart: blocked task -- preempts caller 143
123        rtems_task_restart: ready task -- preempts caller 138
124        rtems_task_delete: calling task 158
125        rtems_task_delete: suspended task 129
126        rtems_task_delete: blocked task 134
127        rtems_task_delete: ready task 136
128        rtems_task_suspend: calling task 71
129        rtems_task_suspend: returns to caller 47
130        rtems_task_resume: task readied -- returns to caller 48
131        rtems_task_resume: task readied -- preempts caller 67
132        rtems_task_set_priority: obtain current priority 36
133        rtems_task_set_priority: returns to caller 65
134        rtems_task_set_priority: preempts caller 102
135        rtems_task_mode: obtain current mode 13
136        rtems_task_mode: no reschedule 15
137        rtems_task_mode: reschedule -- returns to caller 22
138        rtems_task_mode: reschedule -- preempts caller 61
139        rtems_task_get_note 38
140        rtems_task_set_note 37
141        rtems_task_wake_after: yield -- returns to caller 22
142        rtems_task_wake_after: yields -- preempts caller 56
143        rtems_task_wake_when 110
144
145        Interrupt Manager
146
147        interrupt entry overhead: returns to nested interrupt 8
148        interrupt entry overhead: returns to interrupted task 8
149        interrupt entry overhead: returns to preempting task 8
150        interrupt exit overhead: returns to nested interrupt 7
151        interrupt exit overhead: returns to interrupted task 8
152        interrupt exit overhead: returns to preempting task 52
153
154        Clock Manager
155
156        rtems_clock_set 82
157        rtems_clock_get 2
158        rtems_clock_tick 15
159
160        Timer Manager
161
162        rtems_timer_create 33
163        rtems_timer_ident 343
164        rtems_timer_delete: inactive 47
165        rtems_timer_delete: active 50
166        rtems_timer_fire_after: inactive 59
167        rtems_timer_fire_after: active 63
168        rtems_timer_fire_when: inactive 83
169        rtems_timer_fire_when: active 83
170        rtems_timer_reset: inactive 55
171        rtems_timer_reset: active 58
172        rtems_timer_cancel: inactive 35
173        rtems_timer_cancel: active 38
174
175        Semaphore Manager
176
177        rtems_semaphore_create 62
178        rtems_semaphore_ident 368
179        rtems_semaphore_delete 61
180        rtems_semaphore_obtain: available 42
181        rtems_semaphore_obtain: not available -- NO_WAIT 42
182        rtems_semaphore_obtain: not available -- caller blocks 105
183        rtems_semaphore_release: no waiting tasks 46
184        rtems_semaphore_release: task readied -- returns to caller 64
185        rtems_semaphore_release: task readied -- preempts caller 84
186
187        Message Queue Manager
188
189        rtems_message_queue_create 240
190        rtems_message_queue_ident 342
191        rtems_message_queue_delete 79
192        rtems_message_queue_send: no waiting tasks 93
193        rtems_message_queue_send: task readied -- returns to caller 96
194        rtems_message_queue_send: task readied -- preempts caller 116
195        rtems_message_queue_urgent: no waiting tasks 93
196        rtems_message_queue_urgent: task readied -- returns to caller 97
197        rtems_message_queue_urgent: task readied -- preempts caller 117
198        rtems_message_queue_broadcast: no waiting tasks 54
199        rtems_message_queue_broadcast: task readied -- returns to caller 106
200        rtems_message_queue_broadcast: task readied -- preempts caller 126
201        rtems_message_queue_receive: available 79
202        rtems_message_queue_receive: not available -- NO_WAIT 48
203        rtems_message_queue_receive: not available -- caller blocks 111
204        rtems_message_queue_flush: no messages flushed 35
205        rtems_message_queue_flush: messages flushed 44
206
207        Event Manager
208
209        rtems_event_send: no task readied 30
210        rtems_event_send: task readied -- returns to caller 59
211        rtems_event_send: task readied -- preempts caller 81
212        rtems_event_receive: obtain current events 1
213        rtems_event_receive: available 34
214        rtems_event_receive: not available -- NO_WAIT 31
215        rtems_event_receive: not available -- caller blocks 84
216
217        Signal Manager
218
219        rtems_signal_catch 24
220        rtems_signal_send: returns to caller 42
221        rtems_signal_send: signal to self 47
222        exit ASR overhead: returns to calling task 33
223        exit ASR overhead: returns to preempting task 58
224
225        Partition Manager
226
227        rtems_partition_create 78
228        rtems_partition_ident 342
229        rtems_partition_delete 46
230        rtems_partition_get_buffer: available 40
231        rtems_partition_get_buffer: not available 39
232        rtems_partition_return_buffer 47
233
234        Region Manager
235
236        rtems_region_create 65
237        rtems_region_ident 349
238        rtems_region_delete 45
239        rtems_region_get_segment: available 55
240        rtems_region_get_segment: not available -- NO_WAIT 52
241        rtems_region_get_segment: not available -- caller blocks 119
242        rtems_region_return_segment: no waiting tasks 57
243        rtems_region_return_segment: task readied -- returns to caller 106
244        rtems_region_return_segment: task readied -- preempts caller 127
245
246        Dual-Ported Memory Manager
247
248        rtems_port_create 40
249        rtems_port_ident 342
250        rtems_port_delete 44
251        rtems_port_internal_to_external 32
252        rtems_port_external_to_internal 32
253
254        IO Manager
255
256        rtems_io_initialize 4
257        rtems_io_open 1
258        rtems_io_close 1
259        rtems_io_read 1
260        rtems_io_write 1
261        rtems_io_control 1
262
263        Rate Monotonic Manager
264
265        rtems_rate_monotonic_create 39
266        rtems_rate_monotonic_ident 343
267        rtems_rate_monotonic_cancel 43
268        rtems_rate_monotonic_delete: active 54
269        rtems_rate_monotonic_delete: inactive 52
270        rtems_rate_monotonic_period: obtain status 37
271        rtems_rate_monotonic_period: initiate period -- returns to caller 58
272        rtems_rate_monotonic_period: conclude periods -- caller blocks 75
273
274Network tests:
275       TCP throughput (as measured by ttcp):
276               Receive: 1081 kbytes/sec
277               Transmit: 953 kbytes/sec
278
279Porting
280-------
281This board support package is written for a 68360 system similar to that
282described in chapter 9 of the Motorola MC68360 Quad Integrated Communication
283Processor Users' Manual.  The salient features of this hardware are:
284
285        25 MHz external clock
286        DRAM address multiplexing provided by 68360
287        8-bit 180nsec PROM to CS0*
288        4 MBytes of 60 nsec parity DRAM (1Mx36) to RAS1*/CAS1*
289        Console serial port on SMC1
290        Ethernet interface on SCC1
291
292The board support package has been tested with:
293        A home-built 68360 board
294        An ACE360A and an HSB board produced by:
295                Atlas Computer Equipment
296                703 Colina Lane
297                Santa Barbara, CA 93103
298        A 68040/68360 board (SBC360) produced by:
299                Arnewsh Inc.
300                P.O. Box 270352
301                Fort Collins, CO 80527-0352
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