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<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
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>Installation and Testing</TITLE
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TITLE="Updating RedBoot"
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>eCos Reference Manual</TH
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51 
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52 
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53 
WIDTH="10%"
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ALIGN="left"
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><A
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HREF="updating-redboot.html"
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>Prev</A
60 
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71 
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><DIV
81 
CLASS="CHAPTER"
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><H1
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><A
84 
NAME="INSTALLATION-AND-TESTING">Chapter 5. Installation and Testing</H1
85 
><DIV
86 
CLASS="TOC"
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><DL
88 
><DT
89 
><B
90 
>Table of Contents</B
91 
></DT
92 
><DT
93 
><A
94 
HREF="installation-and-testing.html#ASB2305"
95 
>AM3x/MN103E010 Matsushita MN103E010 (AM33/2.0) ASB2305 Board</A
96 
></DT
97 
><DT
98 
><A
99 
HREF="e7t.html"
100 
>ARM/ARM7 ARM Evaluator7T</A
101 
></DT
102 
><DT
103 
><A
104 
HREF="integrator.html"
105 
>ARM/ARM7+ARM9 ARM Integrator</A
106 
></DT
107 
><DT
108 
><A
109 
HREF="pid.html"
110 
>ARM/ARM7+ARM9 ARM PID Board and EPI Dev7+Dev9</A
111 
></DT
112 
><DT
113 
><A
114 
HREF="at91.html"
115 
>ARM/ARM7 Atmel AT91 Evaluation Board (EB40)</A
116 
></DT
117 
><DT
118 
><A
119 
HREF="edb7xxx.html"
120 
>ARM/ARM7 Cirrus Logic EP7xxx (EDB7211, EDB7212, EDB7312)</A
121 
></DT
122 
><DT
123 
><A
124 
HREF="aaed2000.html"
125 
>ARM/ARM9 Agilent AAED2000</A
126 
></DT
127 
><DT
128 
><A
129 
HREF="excaliburarm9.html"
130 
>ARM/ARM9 Altera Excalibur</A
131 
></DT
132 
><DT
133 
><A
134 
HREF="ebsa285.html"
135 
>ARM/StrongARM(SA110) Intel EBSA 285</A
136 
></DT
137 
><DT
138 
><A
139 
HREF="brutus.html"
140 
>ARM/StrongARM(SA1100) Intel Brutus</A
141 
></DT
142 
><DT
143 
><A
144 
HREF="sa1100mm.html"
145 
>ARM/StrongARM(SA1100) Intel SA1100 Multimedia Board</A
146 
></DT
147 
><DT
148 
><A
149 
HREF="assabet.html"
150 
>ARM/StrongARM(SA1110) Intel SA1110 (Assabet)</A
151 
></DT
152 
><DT
153 
><A
154 
HREF="nano.html"
155 
>ARM/StrongARM(SA11X0) Bright Star Engineering commEngine and nanoEngine</A
156 
></DT
157 
><DT
158 
><A
159 
HREF="ipaq.html"
160 
>ARM/StrongARM(SA11X0) Compaq iPAQ PocketPC</A
161 
></DT
162 
><DT
163 
><A
164 
HREF="cerfcube.html"
165 
>ARM/StrongARM(SA11X0) Intrinsyc CerfCube</A
166 
></DT
167 
><DT
168 
><A
169 
HREF="iq80310.html"
170 
>ARM/Xscale Cyclone IQ80310</A
171 
></DT
172 
><DT
173 
><A
174 
HREF="iq80321.html"
175 
>ARM/Xscale Intel IQ80321</A
176 
></DT
177 
><DT
178 
><A
179 
HREF="calmrisc16.html"
180 
>CalmRISC/CalmRISC16 Samsung CalmRISC16 Core Evaluation Board</A
181 
></DT
182 
><DT
183 
><A
184 
HREF="calmrisc32.html"
185 
>CalmRISC/CalmRISC32 Samsung CalmRISC32 Core Evaluation Board</A
186 
></DT
187 
><DT
188 
><A
189 
HREF="frv400.html"
190 
>FRV/FRV400 Fujitsu FR-V 400 (MB-93091)</A
191 
></DT
192 
><DT
193 
><A
194 
HREF="x86pc.html"
195 
>IA32/x86 x86-Based PC</A
196 
></DT
197 
><DT
198 
><A
199 
HREF="atlas.html"
200 
>MIPS/MIPS32(CoreLV 4Kc)+MIPS64(CoreLV 5Kc) Atlas Board</A
201 
></DT
202 
><DT
203 
><A
204 
HREF="malta.html"
205 
>MIPS/MIPS32(CoreLV 4Kc)+MIPS64(CoreLV 5Kc) Malta Board</A
206 
></DT
207 
><DT
208 
><A
209 
HREF="ocelot.html"
210 
>MIPS/RM7000 PMC-Sierra Ocelot</A
211 
></DT
212 
><DT
213 
><A
214 
HREF="vrc4375.html"
215 
>MIPS/VR4375 NEC DDB-VRC4375</A
216 
></DT
217 
><DT
218 
><A
219 
HREF="viper.html"
220 
>PowerPC/MPC860T Analogue &#38; Micro PowerPC 860T</A
221 
></DT
222 
><DT
223 
><A
224 
HREF="mbx.html"
225 
>PowerPC/MPC8XX Motorola MBX</A
226 
></DT
227 
><DT
228 
><A
229 
HREF="edk7708.html"
230 
>SuperH/SH3(SH7708) Hitachi EDK7708</A
231 
></DT
232 
><DT
233 
><A
234 
HREF="se7709.html"
235 
>SuperH/SH3(SH7709) Hitachi Solution Engine 7709</A
236 
></DT
237 
><DT
238 
><A
239 
HREF="hs7729pci.html"
240 
>SuperH/SH3(SH7729) Hitachi HS7729PCI</A
241 
></DT
242 
><DT
243 
><A
244 
HREF="se77x9.html"
245 
>SuperH/SH3(SH77X9) Hitachi Solution Engine 77X9</A
246 
></DT
247 
><DT
248 
><A
249 
HREF="se7751.html"
250 
>SuperH/SH4(SH7751) Hitachi Solution Engine 7751</A
251 
></DT
252 
></DL
253 
></DIV
254 
><DIV
255 
CLASS="SECT1"
256 
><H1
257 
CLASS="SECT1"
258 
><A
259 
NAME="ASB2305">AM3x/MN103E010 Matsushita MN103E010 (AM33/2.0) ASB2305 Board</H1
260 
><DIV
261 
CLASS="SECT2"
262 
><H2
263 
CLASS="SECT2"
264 
><A
265 
NAME="AEN4839">Overview</H2
266 
><P
267 
>&#13;
268 
RedBoot supports the debug serial port and the built in ethernet port for communication and
269 
downloads. The default serial port settings are 115200,8,N,1 with RTS/CTS flow control. RedBoot can
270 
run from either flash, and can support flash management for either the boot PROM or the system
271 
flash regions.</P
272 
><P
273 
>The following RedBoot configurations are supported:
274 
 
275 
      <DIV
276 
CLASS="INFORMALTABLE"
277 
><A
278 
NAME="AEN4849"><P
279 
></P
280 
><TABLE
281 
BORDER="1"
282 
CLASS="CALSTABLE"
283 
><THEAD
284 
><TR
285 
><TH
286 
ALIGN="LEFT"
287 
VALIGN="TOP"
288 
>Configuration</TH
289 
><TH
290 
ALIGN="LEFT"
291 
VALIGN="TOP"
292 
>Mode</TH
293 
><TH
294 
ALIGN="LEFT"
295 
VALIGN="TOP"
296 
>Description</TH
297 
><TH
298 
ALIGN="LEFT"
299 
VALIGN="TOP"
300 
>File</TH
301 
></TR
302 
></THEAD
303 
><TBODY
304 
><TR
305 
><TD
306 
ALIGN="LEFT"
307 
VALIGN="TOP"
308 
>PROM</TD
309 
><TD
310 
ALIGN="LEFT"
311 
VALIGN="TOP"
312 
>[ROM]</TD
313 
><TD
314 
ALIGN="LEFT"
315 
VALIGN="TOP"
316 
>RedBoot running from the boot PROM and able to
317 
              access the system flash.</TD
318 
><TD
319 
ALIGN="LEFT"
320 
VALIGN="TOP"
321 
>redboot_ROM.ecm</TD
322 
></TR
323 
><TR
324 
><TD
325 
ALIGN="LEFT"
326 
VALIGN="TOP"
327 
>FLASH</TD
328 
><TD
329 
ALIGN="LEFT"
330 
VALIGN="TOP"
331 
>[ROM]</TD
332 
><TD
333 
ALIGN="LEFT"
334 
VALIGN="TOP"
335 
>RedBoot running from the system flash and able to
336 
              access the boot PROM.</TD
337 
><TD
338 
ALIGN="LEFT"
339 
VALIGN="TOP"
340 
>redboot_FLASH.ecm</TD
341 
></TR
342 
><TR
343 
><TD
344 
ALIGN="LEFT"
345 
VALIGN="TOP"
346 
>RAM</TD
347 
><TD
348 
ALIGN="LEFT"
349 
VALIGN="TOP"
350 
>[RAM]</TD
351 
><TD
352 
ALIGN="LEFT"
353 
VALIGN="TOP"
354 
>RedBoot running from RAM and able to access the
355 
              boot PROM.</TD
356 
><TD
357 
ALIGN="LEFT"
358 
VALIGN="TOP"
359 
>redboot_RAM.ecm</TD
360 
></TR
361 
></TBODY
362 
></TABLE
363 
><P
364 
></P
365 
></DIV
366 
></P
367 
></DIV
368 
><DIV
369 
CLASS="SECT2"
370 
><H2
371 
CLASS="SECT2"
372 
><A
373 
NAME="AEN4873">Initial Installation</H2
374 
><P
375 
>Unless a pre-programmed system flash module is available to be plugged into a new board,
376 
RedBoot must be installed with the aid of a JTAG interface unit. To achieve this, the RAM mode
377 
RedBoot must be loaded directly into RAM by JTAG and started, and then <SPAN
378 
CLASS="emphasis"
379 
><I
380 
CLASS="EMPHASIS"
381 
>that</I
382 
></SPAN
383 
>
384 
must be used to store the ROM mode RedBoot into the boot PROM.</P
385 
><P
386 
>These instructions assume that you have binary images of the RAM-based and boot PROM-based
387 
RedBoot images available.</P
388 
><DIV
389 
CLASS="SECT3"
390 
><H3
391 
CLASS="SECT3"
392 
><A
393 
NAME="AEN4878">Preparing to program the board</H3
394 
><P
395 
>If the board is to be programmed, whether via JTAG or RedBoot, some hardware settings need to
396 
be changed:</P
397 
><P
398 
></P
399 
><UL
400 
><LI
401 
><P
402 
>Jumper across ST18 on the board to allow write access to the boot PROM.</P
403 
></LI
404 
><LI
405 
><P
406 
>Set DIP switch S1-3 to OFF to allow RedBoot to write to the system flash.</P
407 
></LI
408 
><LI
409 
><P
410 
>Set the switch S5 (on the front of the board) to boot from whichever flash is
411 
<SPAN
412 
CLASS="emphasis"
413 
><I
414 
CLASS="EMPHASIS"
415 
>not</I
416 
></SPAN
417 
> being programmed. Note that the RedBoot image cannot access the flash from
418 
which it is currently executing (it can only access the other flash).</P
419 
></LI
420 
></UL
421 
><P
422 
>The RedBoot binary image files should also be copied to the TFTP pickup area on the host providing
423 
TFTP services if that is how RedBoot should pick up the images it is going to program into the
424 
flash. Alternatively, the images can be passed by YMODEM over the serial link.</P
425 
></DIV
426 
><DIV
427 
CLASS="SECT3"
428 
><H3
429 
CLASS="SECT3"
430 
><A
431 
NAME="AEN4890">Preparing to use the JTAG debugger</H3
432 
><P
433 
>The JTAG debugger will also need setting up:</P
434 
><P
435 
></P
436 
><OL
437 
TYPE="1"
438 
><LI
439 
><P
440 
>Install the JTAG debugger software (WICE103E) on a PC running Windows (WinNT is
441 
probably the best choice for this) in &#8220;C:/PanaX&#8221;.</P
442 
></LI
443 
><LI
444 
><P
445 
>Install the Matsushita provided &#8220;project&#8221; into the
446 
&#8220;C:/Panax/wice103e/prj&#8221; directory.</P
447 
></LI
448 
><LI
449 
><P
450 
>Install the RedBoot image files into the &#8220;C:/Panax/wice103e/prj&#8221;
451 
directory under the names redboot.ram and redboot.prom.</P
452 
></LI
453 
><LI
454 
><P
455 
>Make sure the PC's BIOS has the parallel port set to full bidirectional
456 
mode.</P
457 
></LI
458 
><LI
459 
><P
460 
>Connect the JTAG debugger to the PC's parallel port.</P
461 
></LI
462 
><LI
463 
><P
464 
>Connect the JTAG debugger to the board.</P
465 
></LI
466 
><LI
467 
><P
468 
>Set the switch on the front of the board to boot from &#8220;boot
469 
PROM&#8221;.</P
470 
></LI
471 
><LI
472 
><P
473 
>Power up the JTAG debugger and then power up the board.</P
474 
></LI
475 
><LI
476 
><P
477 
>Connect the board's Debug Serial port to a computer by a null modem cable.</P
478 
></LI
479 
><LI
480 
><P
481 
>Start minicom or some other serial communication software and set for 115200 baud,
482 
1-N-8 with hardware (RTS/CTS) flow control.</P
483 
></LI
484 
></OL
485 
></DIV
486 
><DIV
487 
CLASS="SECT3"
488 
><H3
489 
CLASS="SECT3"
490 
><A
491 
NAME="AEN4914">Loading the RAM-based RedBoot via JTAG</H3
492 
><P
493 
>To perform the first half of the operation, the following steps should be followed:</P
494 
><P
495 
></P
496 
><OL
497 
TYPE="1"
498 
><LI
499 
><P
500 
>Start the JTAG debugger software.</P
501 
></LI
502 
><LI
503 
><P
504 
>Run the following commands at the JTAG debugger's prompt to set up the MMU registers on the
505 
CPU.</P
506 
><TABLE
507 
BORDER="5"
508 
BGCOLOR="#E0E0F0"
509 
WIDTH="70%"
510 
><TR
511 
><TD
512 
><PRE
513 
CLASS="SCREEN"
514 
><TT
515 
CLASS="USERINPUT"
516 
><B
517 
>ed 0xc0002000, 0x12000580</B
518 
></TT
519 
>
520 
 
521 
<TT
522 
CLASS="USERINPUT"
523 
><B
524 
>ed 0xd8c00100, 0x8000fe01</B
525 
></TT
526 
>
527 
<TT
528 
CLASS="USERINPUT"
529 
><B
530 
>ed 0xd8c00200, 0x21111000</B
531 
></TT
532 
>
533 
<TT
534 
CLASS="USERINPUT"
535 
><B
536 
>ed 0xd8c00204, 0x00100200</B
537 
></TT
538 
>
539 
<TT
540 
CLASS="USERINPUT"
541 
><B
542 
>ed 0xd8c00208, 0x00000004</B
543 
></TT
544 
>
545 
 
546 
<TT
547 
CLASS="USERINPUT"
548 
><B
549 
>ed 0xd8c00110, 0x8400fe01</B
550 
></TT
551 
>
552 
<TT
553 
CLASS="USERINPUT"
554 
><B
555 
>ed 0xd8c00210, 0x21111000</B
556 
></TT
557 
>
558 
<TT
559 
CLASS="USERINPUT"
560 
><B
561 
>ed 0xd8c00214, 0x00100200</B
562 
></TT
563 
>
564 
<TT
565 
CLASS="USERINPUT"
566 
><B
567 
>ed 0xd8c00218, 0x00000004</B
568 
></TT
569 
>
570 
 
571 
<TT
572 
CLASS="USERINPUT"
573 
><B
574 
>ed 0xd8c00120, 0x8600ff81</B
575 
></TT
576 
>
577 
<TT
578 
CLASS="USERINPUT"
579 
><B
580 
>ed 0xd8c00220, 0x21111000</B
581 
></TT
582 
>
583 
<TT
584 
CLASS="USERINPUT"
585 
><B
586 
>ed 0xd8c00224, 0x00100200</B
587 
></TT
588 
>
589 
<TT
590 
CLASS="USERINPUT"
591 
><B
592 
>ed 0xd8c00228, 0x00000004</B
593 
></TT
594 
>
595 
 
596 
<TT
597 
CLASS="USERINPUT"
598 
><B
599 
>ed 0xd8c00130, 0x8680ff81</B
600 
></TT
601 
>
602 
<TT
603 
CLASS="USERINPUT"
604 
><B
605 
>ed 0xd8c00230, 0x21111000</B
606 
></TT
607 
>
608 
<TT
609 
CLASS="USERINPUT"
610 
><B
611 
>ed 0xd8c00234, 0x00100200</B
612 
></TT
613 
>
614 
<TT
615 
CLASS="USERINPUT"
616 
><B
617 
>ed 0xd8c00238, 0x00000004</B
618 
></TT
619 
>
620 
 
621 
<TT
622 
CLASS="USERINPUT"
623 
><B
624 
>ed 0xd8c00140, 0x9800f801</B
625 
></TT
626 
>
627 
<TT
628 
CLASS="USERINPUT"
629 
><B
630 
>ed 0xd8c00240, 0x00140000</B
631 
></TT
632 
>
633 
<TT
634 
CLASS="USERINPUT"
635 
><B
636 
>ed 0xd8c00244, 0x11011100</B
637 
></TT
638 
>
639 
<TT
640 
CLASS="USERINPUT"
641 
><B
642 
>ed 0xd8c00248, 0x01000001</B
643 
></TT
644 
>
645 
 
646 
<TT
647 
CLASS="USERINPUT"
648 
><B
649 
>ed 0xda000000, 0x55561645</B
650 
></TT
651 
>
652 
<TT
653 
CLASS="USERINPUT"
654 
><B
655 
>ed 0xda000004, 0x000003c0</B
656 
></TT
657 
>
658 
<TT
659 
CLASS="USERINPUT"
660 
><B
661 
>ed 0xda000008, 0x9000fe01</B
662 
></TT
663 
>
664 
<TT
665 
CLASS="USERINPUT"
666 
><B
667 
>ed 0xda00000c, 0x9200fe01</B
668 
></TT
669 
>
670 
<TT
671 
CLASS="USERINPUT"
672 
><B
673 
>ed 0xda000000, 0xa89b0654</B
674 
></TT
675 
></PRE
676 
></TD
677 
></TR
678 
></TABLE
679 
></LI
680 
><LI
681 
><P
682 
>Run the following commands at the JTAG debugger's prompt to tell it what regions of the CPU's
683 
address space it can access:</P
684 
><TABLE
685 
BORDER="5"
686 
BGCOLOR="#E0E0F0"
687 
WIDTH="70%"
688 
><TR
689 
><TD
690 
><PRE
691 
CLASS="SCREEN"
692 
><TT
693 
CLASS="USERINPUT"
694 
><B
695 
>ex 0x80000000,0x81ffffff,/mexram</B
696 
></TT
697 
>
698 
<TT
699 
CLASS="USERINPUT"
700 
><B
701 
>ex 0x84000000,0x85ffffff,/mexram</B
702 
></TT
703 
>
704 
<TT
705 
CLASS="USERINPUT"
706 
><B
707 
>ex 0x86000000,0x867fffff,/mexram</B
708 
></TT
709 
>
710 
<TT
711 
CLASS="USERINPUT"
712 
><B
713 
>ex 0x86800000,0x87ffffff,/mexram</B
714 
></TT
715 
>
716 
<TT
717 
CLASS="USERINPUT"
718 
><B
719 
>ex 0x8c000000,0x8cffffff,/mexram</B
720 
></TT
721 
>
722 
<TT
723 
CLASS="USERINPUT"
724 
><B
725 
>ex 0x90000000,0x93ffffff,/mexram</B
726 
></TT
727 
></PRE
728 
></TD
729 
></TR
730 
></TABLE
731 
></LI
732 
><LI
733 
><P
734 
>Instruct the debugger to load the RAM RedBoot image into RAM:</P
735 
><TABLE
736 
BORDER="5"
737 
BGCOLOR="#E0E0F0"
738 
WIDTH="70%"
739 
><TR
740 
><TD
741 
><PRE
742 
CLASS="SCREEN"
743 
><TT
744 
CLASS="USERINPUT"
745 
><B
746 
>_pc=90000000</B
747 
></TT
748 
>
749 
<TT
750 
CLASS="USERINPUT"
751 
><B
752 
>u_pc</B
753 
></TT
754 
>
755 
<TT
756 
CLASS="USERINPUT"
757 
><B
758 
>rd redboot.ram,90000000</B
759 
></TT
760 
></PRE
761 
></TD
762 
></TR
763 
></TABLE
764 
></LI
765 
><LI
766 
><P
767 
>Load the boot PROM RedBoot into RAM:</P
768 
><TABLE
769 
BORDER="5"
770 
BGCOLOR="#E0E0F0"
771 
WIDTH="70%"
772 
><TR
773 
><TD
774 
><PRE
775 
CLASS="SCREEN"
776 
><TT
777 
CLASS="USERINPUT"
778 
><B
779 
>rd redboot.prom,91020000</B
780 
></TT
781 
></PRE
782 
></TD
783 
></TR
784 
></TABLE
785 
></LI
786 
><LI
787 
><P
788 
>Start RedBoot in RAM:</P
789 
><TABLE
790 
BORDER="5"
791 
BGCOLOR="#E0E0F0"
792 
WIDTH="70%"
793 
><TR
794 
><TD
795 
><PRE
796 
CLASS="SCREEN"
797 
><TT
798 
CLASS="USERINPUT"
799 
><B
800 
>g</B
801 
></TT
802 
></PRE
803 
></TD
804 
></TR
805 
></TABLE
806 
><P
807 
>Note that RedBoot may take some time to start up, as it will attempt to query a BOOTP or DHCP
808 
server to try and automatically get an IP address for the board. Note, however, that it should send
809 
a plus over the serial port immediately, and the 7-segment LEDs should display &#8220;rh
810 
8&#8221;.</P
811 
></LI
812 
></OL
813 
></DIV
814 
><DIV
815 
CLASS="SECT3"
816 
><H3
817 
CLASS="SECT3"
818 
><A
819 
NAME="AEN4973">Loading the boot PROM-based RedBoot via the RAM mode RedBoot</H3
820 
><P
821 
>Once the RAM mode RedBoot is up and running, it can be communicated with by way of the serial
822 
port. Commands can now be entered directly to RedBoot for flashing the boot PROM.</P
823 
><P
824 
></P
825 
><OL
826 
TYPE="1"
827 
><LI
828 
><P
829 
>Instruct RedBoot to initialise the boot PROM:</P
830 
><TABLE
831 
BORDER="5"
832 
BGCOLOR="#E0E0F0"
833 
WIDTH="70%"
834 
><TR
835 
><TD
836 
><PRE
837 
CLASS="SCREEN"
838 
>RedBoot&#62; <TT
839 
CLASS="USERINPUT"
840 
><B
841 
>fi init</B
842 
></TT
843 
></PRE
844 
></TD
845 
></TR
846 
></TABLE
847 
></LI
848 
><LI
849 
><P
850 
>Write the previously loaded redboot.prom image into the boot PROM:</P
851 
><TABLE
852 
BORDER="5"
853 
BGCOLOR="#E0E0F0"
854 
WIDTH="70%"
855 
><TR
856 
><TD
857 
><PRE
858 
CLASS="SCREEN"
859 
>RedBoot&#62; <TT
860 
CLASS="USERINPUT"
861 
><B
862 
>fi write -f 0x80000000 -b 0x91020000 -l 0x00020000</B
863 
></TT
864 
></PRE
865 
></TD
866 
></TR
867 
></TABLE
868 
></LI
869 
><LI
870 
><P
871 
>Check that RedBoot has written the image:</P
872 
><TABLE
873 
BORDER="5"
874 
BGCOLOR="#E0E0F0"
875 
WIDTH="70%"
876 
><TR
877 
><TD
878 
><PRE
879 
CLASS="SCREEN"
880 
>RedBoot&#62; <TT
881 
CLASS="USERINPUT"
882 
><B
883 
>dump -b 0x91020000</B
884 
></TT
885 
>
886 
RedBoot&#62; <TT
887 
CLASS="USERINPUT"
888 
><B
889 
>dump -b 0x80000000</B
890 
></TT
891 
></PRE
892 
></TD
893 
></TR
894 
></TABLE
895 
><P
896 
>Barring the difference in address, the two dumps should be the same.</P
897 
></LI
898 
><LI
899 
><P
900 
>Close the JTAG software and power-cycle the board. The RedBoot banners should be
901 
displayed again over the serial port, followed by the RedBoot prompt. The boot PROM-based RedBoot
902 
will now be running.</P
903 
></LI
904 
><LI
905 
><P
906 
>Power off the board and unjumper ST18 to write-protect the contents of the boot
907 
PROM. Then power the board back up.</P
908 
></LI
909 
><LI
910 
><P
911 
>Run the following command to initialise the system flash:</P
912 
><TABLE
913 
BORDER="5"
914 
BGCOLOR="#E0E0F0"
915 
WIDTH="70%"
916 
><TR
917 
><TD
918 
><PRE
919 
CLASS="SCREEN"
920 
>RedBoot&#62; <TT
921 
CLASS="USERINPUT"
922 
><B
923 
>fi init</B
924 
></TT
925 
></PRE
926 
></TD
927 
></TR
928 
></TABLE
929 
><P
930 
>Then program the system flash based RedBoot into the system flash:</P
931 
><TABLE
932 
BORDER="5"
933 
BGCOLOR="#E0E0F0"
934 
WIDTH="70%"
935 
><TR
936 
><TD
937 
><PRE
938 
CLASS="SCREEN"
939 
>RedBoot&#62; <TT
940 
CLASS="USERINPUT"
941 
><B
942 
>load -r -b %{FREEMEMLO} redboot_FLASH.bin</B
943 
></TT
944 
>
945 
RedBoot&#62; <TT
946 
CLASS="USERINPUT"
947 
><B
948 
>fi write -f 0x84000000 -b %{FREEMEMLO} -l 0x00020000</B
949 
></TT
950 
></PRE
951 
></TD
952 
></TR
953 
></TABLE
954 
><DIV
955 
CLASS="NOTE"
956 
><BLOCKQUOTE
957 
CLASS="NOTE"
958 
><P
959 
><B
960 
>NOTE: </B
961 
>RedBoot arranges the flashes on booting such that they always appear at the same addresses,
962 
no matter which one was booted from.</P
963 
></BLOCKQUOTE
964 
></DIV
965 
></LI
966 
><LI
967 
><P
968 
>A similar sequence of commands can be used to program the boot PROM when RedBoot has been
969 
booted from an image stored in the system flash.</P
970 
><TABLE
971 
BORDER="5"
972 
BGCOLOR="#E0E0F0"
973 
WIDTH="70%"
974 
><TR
975 
><TD
976 
><PRE
977 
CLASS="SCREEN"
978 
>RedBoot&#62; <TT
979 
CLASS="USERINPUT"
980 
><B
981 
>load -r -b %{FREEMEMLO} /tftpboot/redboot_ROM.bin</B
982 
></TT
983 
>
984 
RedBoot&#62; <TT
985 
CLASS="USERINPUT"
986 
><B
987 
>fi write -f 0x80000000 -b %{FREEMEMLO} -l 0x00020000</B
988 
></TT
989 
></PRE
990 
></TD
991 
></TR
992 
></TABLE
993 
><P
994 
>See <A
995 
HREF="persistent-state-flash.html"
996 
>the Section called <I
997 
>Persistent State Flash-based Configuration and Control</I
998 
> in Chapter 2</A
999 
> for details on configuring the RedBoot in
1000 
general, and also <A
1001 
HREF="flash-image-system.html"
1002 
>the Section called <I
1003 
>Flash Image System (FIS)</I
1004 
> in Chapter 2</A
1005 
> for more details on programming the system
1006 
flash.</P
1007 
></LI
1008 
></OL
1009 
></DIV
1010 
></DIV
1011 
><DIV
1012 
CLASS="SECT2"
1013 
><H2
1014 
CLASS="SECT2"
1015 
><A
1016 
NAME="AEN5014">Additional Commands</H2
1017 
><P
1018 
>The <B
1019 
CLASS="COMMAND"
1020 
>exec</B
1021 
> command which allows the loading and execution of
1022 
Linux kernels, is supported for this architecture (see <A
1023 
HREF="executing-programs.html"
1024 
>the Section called <I
1025 
>Executing Programs from RedBoot</I
1026 
> in Chapter 2</A
1027 
>). The
1028 
<B
1029 
CLASS="COMMAND"
1030 
>exec</B
1031 
> parameters used for ASB2305 board are:</P
1032 
><P
1033 
></P
1034 
><DIV
1035 
CLASS="VARIABLELIST"
1036 
><DL
1037 
><DT
1038 
>-w <TT
1039 
CLASS="REPLACEABLE"
1040 
><I
1041 
>&lt;time&#62;</I
1042 
></TT
1043 
></DT
1044 
><DD
1045 
><P
1046 
>Wait time in seconds before starting kernel</P
1047 
></DD
1048 
><DT
1049 
>-c <TT
1050 
CLASS="REPLACEABLE"
1051 
><I
1052 
>"params"</I
1053 
></TT
1054 
></DT
1055 
><DD
1056 
><P
1057 
>Parameters passed to kernel</P
1058 
></DD
1059 
><DT
1060 
><TT
1061 
CLASS="REPLACEABLE"
1062 
><I
1063 
>&lt;addr&#62;</I
1064 
></TT
1065 
></DT
1066 
><DD
1067 
><P
1068 
>Kernel entry point, defaulting to the entry point of the last image
1069 
loaded</P
1070 
></DD
1071 
></DL
1072 
></DIV
1073 
><P
1074 
>The parameter string is stored in the on-chip memory at location 0x8C001000, and is prefixed
1075 
by &#8220;cmdline:&#8221; if it was supplied.</P
1076 
></DIV
1077 
><DIV
1078 
CLASS="SECT2"
1079 
><H2
1080 
CLASS="SECT2"
1081 
><A
1082 
NAME="AEN5037">Memory Maps</H2
1083 
><P
1084 
>RedBoot sets up the following memory map on the ASB2305 board.</P
1085 
><DIV
1086 
CLASS="NOTE"
1087 
><BLOCKQUOTE
1088 
CLASS="NOTE"
1089 
><P
1090 
><B
1091 
>NOTE: </B
1092 
>The regions mapped between 0x80000000-0x9FFFFFFF are cached by the CPU. However, all those
1093 
regions can be accessed uncached by adding 0x20000000 to the address.</P
1094 
></BLOCKQUOTE
1095 
></DIV
1096 
><TABLE
1097 
BORDER="5"
1098 
BGCOLOR="#E0E0F0"
1099 
WIDTH="70%"
1100 
><TR
1101 
><TD
1102 
><PRE
1103 
CLASS="PROGRAMLISTING"
1104 
>Physical Address Range   Description
1105 
-----------------------  -----------
1106 
0x80000000 - 0x9FFFFFFF  Cached Region
1107 
0x80000000 - 0x81FFFFFF  Boot PROM
1108 
0x84000000 - 0x85FFFFFF  System Flash
1109 
0x86000000 - 0x86007FFF  64Kbit Sys Config EEPROM
1110 
0x86F90000 - 0x86F90003  4x 7-segment LEDs
1111 
0x86FA0000 - 0x86FA0003  Software DIP Switches
1112 
0x86FB0000 - 0x86FB001F  PC16550 Debug Serial Port
1113 
0x8C000000 - 0x8FFFFFFF  On-Chip Memory (repeated 16Kb SRAM)
1114 
0x90000000 - 0x93FFFFFF  SDRAM
1115 
0x98000000 - 0x9BFFFFFF  Paged PCI Memory Space (64Mb)
1116 
0x9C000000 - 0x9DFFFFFF  PCI Local SRAM (32Mb)
1117 
0x9E000000 - 0x9E03FFFF  PCI I/O Space
1118 
0x9E040000 - 0x9E0400FF  AM33-PCI Bridge Registers
1119 
0x9FFFFFF4 - 0x9FFFFFF7  PCI Memory Page Register
1120 
0x9FFFFFF8 - 0x9FFFFFFF  PCI Config Registers
1121 
0xA0000000 - 0xBFFFFFFF  Uncached Mirror Region
1122 
0xC0000000 - 0xDFFFFFFF  CPU Control Registers</PRE
1123 
></TD
1124 
></TR
1125 
></TABLE
1126 
><P
1127 
>The ASB2305 HAL makes use of the on-chip memory in the following way:</P
1128 
><TABLE
1129 
BORDER="5"
1130 
BGCOLOR="#E0E0F0"
1131 
WIDTH="70%"
1132 
><TR
1133 
><TD
1134 
><PRE
1135 
CLASS="PROGRAMLISTING"
1136 
>0x8C000000 - 0x8C0000FF  hal_vsr_table
1137 
0x8C000100 - 0x8C0001FF  hal_virtual_vector_table
1138 
0x8C001000 -             Linux command line (RedBoot exec command)
1139 
           - 0x8C003FFF  Emergency DoubleFault Exception Stack</PRE
1140 
></TD
1141 
></TR
1142 
></TABLE
1143 
><P
1144 
>Currently the CPU's interrupt table lies at the beginning of the RedBoot image, which must
1145 
therefore be aligned to a 0xFF000000 mask.</P
1146 
></DIV
1147 
><DIV
1148 
CLASS="SECT2"
1149 
><H2
1150 
CLASS="SECT2"
1151 
><A
1152 
NAME="AEN5047">Rebuilding RedBoot</H2
1153 
><P
1154 
>These shell variables provide the platform-specific information
1155 
needed for building RedBoot according to the procedure described in
1156 
<A
1157 
HREF="rebuilding-redboot.html"
1158 
>Chapter 3</A
1159 
>:
1160 
<TABLE
1161 
BORDER="5"
1162 
BGCOLOR="#E0E0F0"
1163 
WIDTH="70%"
1164 
><TR
1165 
><TD
1166 
><PRE
1167 
CLASS="PROGRAMLISTING"
1168 
>export TARGET=asb2305
1169 
export ARCH_DIR=mn10300
1170 
export PLATFORM_DIR=asb2305</PRE
1171 
></TD
1172 
></TR
1173 
></TABLE
1174 
></P
1175 
><P
1176 
>The names of configuration files are listed above with the
1177 
description of the associated modes.</P
1178 
></DIV
1179 
></DIV
1180 
></DIV
1181 
><DIV
1182 
CLASS="NAVFOOTER"
1183 
><HR
1184 
ALIGN="LEFT"
1185 
WIDTH="100%"><TABLE
1186 
SUMMARY="Footer navigation table"
1187 
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1188 
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1189 
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1190 
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1191 
><TR
1192 
><TD
1193 
WIDTH="33%"
1194 
ALIGN="left"
1195 
VALIGN="top"
1196 
><A
1197 
HREF="updating-redboot.html"
1198 
ACCESSKEY="P"
1199 
>Prev</A
1200 
></TD
1201 
><TD
1202 
WIDTH="34%"
1203 
ALIGN="center"
1204 
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1205 
><A
1206 
HREF="ecos-ref.html"
1207 
ACCESSKEY="H"
1208 
>Home</A
1209 
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1210 
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1211 
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1212 
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1213 
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1214 
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1215 
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1216 
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1217 
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1218 
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1219 
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1220 
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1221 
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1222 
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1223 
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1224 
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1225 
>Updating RedBoot</TD
1226 
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1227 
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1228 
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1229 
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1230 
><A
1231 
HREF="redboot.html"
1232 
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1233 
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1234 
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1235 
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1236 
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1238 
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1239 
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1240 
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