blob: 7b585153c3c313583a5627c5d8fb12493f365047 [file] [log] [blame]
wdenk24ee89b2002-11-03 17:56:27 +00001======================================================================
wdenk4532cb62003-04-27 22:52:51 +00002Changes since U-Boot 0.3.1:
3======================================================================
4
wdenk59de2ed2003-05-20 10:58:04 +00005* Patch by Christophe Lindheimer, 20 May 2003:
6 allow the use of CFG_LOADS when CFG_NO_FLASH is set
7
wdenk86d82762003-05-20 10:39:44 +00008* Fix SDRAM timing on Purple board
9
wdenk66fd3d12003-05-18 11:30:09 +000010* Add support for CompactFlash on ATC board
11 (includes support for Intel 82365 and compatible PC Card controllers,
12 and Yenta-compatible PCI-to-CardBus controllers)
13
wdenk45219c42003-05-12 21:50:16 +000014* Patch by Mathijs Haarman, 08 May 2003:
15 Add lan91c96 driver (tested on Lubbock and custom PXA250 board only)
16
wdenk9c62cc52003-05-03 23:33:47 +000017* Fix problem with usage of "true" (undefined in current versions of bfd.h)
18
wdenk7aa78612003-05-03 15:50:43 +000019* Add support for Promess ATC board
20
21* Patch by Keith Outwater, 28 Apr 2003:
22 - Miscellaneous corrections and additions to GEN860T board specific code.
23 - Added GEN860_SC variant to GEN860T.
24 - Miscellaneous corrections to GEN860T documentation.
25 - Correct duplicate entry in U-Boot CREDITS file.
26 - Add GEN860T_SC entry in MAINTAINERS file.
27 - Update CREDITS file with GEN860T_SC info.
28
29* Update Smiths Aerospace addresses in MAINTAINERS file
30
31* Fix error handling in hush's version of "run" command
32
wdenk4532cb62003-04-27 22:52:51 +000033* LWMON extensions:
34 - Splashscreen support
35 - modem support
36 - sysmon support
37 - temperature dependend enabling of LCD
38
39* Allow booting from old "PPCBoot" disk partitions
40
41* Add support for TQM8255 Board / MPC8255 CPU
42
43======================================================================
wdenk02c9bed2003-04-20 17:41:25 +000044Changes for U-Boot 0.3.1:
wdenkd126bfb2003-04-10 11:18:18 +000045======================================================================
46
wdenkd791b1d2003-04-20 14:04:18 +000047* Make sure Block Lock Bits get cleared in R360MPI flash driver
48
49* MPC823 LCD driver: Fill color map backwards, to allow for steady
50 display when Linux takes over
51
52* Patch by Erwin Rol, 27 Feb 2003:
53 Add support for RTEMS (this time for real).
54
55* Add support for "bmp info" and "bmp display" commands to load
56 bitmap images; this can be used (for example in a "preboot"
57 command) to display a splash screen very quickly after poweron.
58
59* Add support for 133 MHz clock on INCA-IP board
60
wdenk4a6fd342003-04-12 23:38:12 +000061* Patch by Lutz Dennig, 10 Apr 2003:
62 Update for R360MPI board
63
64* Add new meaning to "autostart" environment variable:
65 If set to "no", a standalone image passed to the
66 "bootm" command will be copied to the load address
67 (and eventually uncompressed), but NOT be started.
68 This can be used to load and uncompress arbitrary
69 data.
70
stroese69f8f8272003-04-10 13:30:28 +000071* Patch by Stefan Roese, 10 Apr 2003:
wdenk4a6fd342003-04-12 23:38:12 +000072 Changed DHCP client to use IP address from server option field #54
73 from the OFFER packet in the server option field #54 in the REQUEST
74 packet. This fixes a problem using a Windows 2000 DHCP server,
75 where the DHCP-server is not the TFTP-server.
76
77* Set max brightness for MN11236 displays on TRAB board
stroese69f8f8272003-04-10 13:30:28 +000078
wdenkd126bfb2003-04-10 11:18:18 +000079* Add support for TQM862L modules
80
81======================================================================
wdenk60fbe252003-04-08 23:25:21 +000082Changes for U-Boot 0.3.0:
wdenkaacf9a42003-01-17 16:27:01 +000083======================================================================
84
wdenk3e386912003-04-05 00:53:31 +000085* Patch by Arun Dharankar, 4 Apr 2003:
86 Add IDMA example code (tested on 8260 only)
87
88* Add support for Purple Board (MIPS64 5Kc)
89
90* Add support for MIPS64 5Kc CPUs
91
92* Fix missing setting of "loadaddr" and "bootfile" on ARM and MIPS
93
94* Patch by Denis Peter, 04 Apr 2003:
95 - update MIP405-4 board
96
stroese36c05a82003-04-04 16:55:30 +000097* Patch by Stefan Roese, 4 Apr 2003:
98 - U-Boot version environment variable "ver" added
99 (CONFIG_VERSION_VARIABLE).
100 - Changed PPC405GPr version from A to B.
101 - Changed CPCI405 to use CTS instead of DSR on PPC405 UART1.
102
wdenk3e386912003-04-05 00:53:31 +0000103* Patches by Denis Peter, 03 April 2003:
104 - fix PCI IRQs on MPL boards
105 - fix two more un-relocated pointer problems
106
107* Fix behaviour of "run" command:
108 - print error message iv variable does not exist
109 - terminate processing of arguments in case of error
110
111* Patches by Peter Figuli, 10 Mar 2003
112 - Add support for BTUART on PXA platform
113 - Add support for WEP EP250 (PXA) board
114
115* Fix flash problems on INCA-IP; add tool to allow bruning images to
116 flash using a BDI2000
117
118* Implement fix for I2C Edge Conditions problem for all boards that
119 use the bit-banging driver (common/soft_i2c.c)
120
wdenk0db5bca2003-03-31 17:27:09 +0000121* Patch by Martin Winistoerfer, 23 Mar 2003
122 - Add port to MPC555/556 microcontrollers
123 - Add support for cmi customer board with
124 Intel 28F128J3A, 28F320J3A or 28F640J3A flash.
125
126* Patch by Rick Bronson, 28 Mar 2003:
127 - fix common/cmd_nand.c
128
wdenk85ec0bc2003-03-31 16:34:49 +0000129* Patch by Arun Dharankar, 24 Mar 2003:
130 - add threads / scheduler example code
131
132* Add patches by Robert Schwebel, 31 Mar 2003:
133 - add ctrl-c support for kermit download
134 - align bdinfo output on ARM
wdenk3e386912003-04-05 00:53:31 +0000135 - csb226 board: bring in sync with innokom/memsetup.S
136 - csb226 board: fix MDREFR handling
137 - misc doc fixes / extensions
138 - innokom board: cleanup, MDREFR fix in memsetup.S, config update
139 - add BOOT_PROGRESS to armlinux.c
wdenk85ec0bc2003-03-31 16:34:49 +0000140
stroese36c05a82003-04-04 16:55:30 +0000141* Add CPU ID, version, and clock speed for INCA-IP
wdenk85ec0bc2003-03-31 16:34:49 +0000142
wdenk506f0442003-03-28 14:40:36 +0000143* Patches by Dave Ellis, 18 Mar 2003 for SXNI855T board:
144 - fix SRAM and SDRAM memory sizing
145 - add status LED support
146 - add MAC address for second (SCC1) ethernet port
147
148* Update default environment for TQM8260 board
149
wdenkdc7c9a12003-03-26 06:55:25 +0000150* Patch by Rick Bronson, 16 Mar 2003:
wdenkc0218802003-03-27 12:09:35 +0000151 - Add NAND flash support for reading, writing, and erasing NAND
152 flash (certain forms of which are called SmartMedia).
153 - Add support for Atmel AT91RM9200DK ARM920T based development kit.
wdenkdc7c9a12003-03-26 06:55:25 +0000154
155* Patches by Robert Schwebel, 19 Mar 2003:
156 - use arm-linux-gcc as default compiler for ARM
157 - fix i2c fixup code
158 - fix missing baudrate setting
159 - added $loadaddr / CFG_LOAD_ADDR support to loadb
160 - moved "ignoring trailing characters" _before_ u-boot wants to
161 print out diagnostics messages; removes bogus characters at the
162 end of transmission
163
164* Patch by John Zhan, 18 Mar 2003:
165 Add support for SinoVee Microsystems SC8xx boards
166
167* Patch by Rolf Offermanns, 21 Mar 2003:
168 ported the dnp1110 related changes from the current armboot cvs to
169 current u-boot cvs. smc91111 does not work. problem marked in
170 smc91111.c, grep for "FIXME".
171
172* Patch by Brian Auld, 25 Mar 2003:
173 Add support for STM flash chips on ebony board
174
wdenk4d75a502003-03-25 16:50:56 +0000175* Add PCI support for MPC8250 Boards (PM825 module)
176
stroese44e5c5c2003-03-25 14:44:48 +0000177* Patch by Stefan Roese, 25 Mar 2003:
178 - PCI405 update.
179
stroese5d5d44e2003-03-20 15:32:59 +0000180* Patch by Stefan Roese, 20 Mar 2003:
181 - CPCI4052 update (support for revision 3).
182 - Set edge conditioning circuitry on PPC405GPr for compatibility
183 to existing PPC405GP designs.
184 - Clip udiv to 5 bits on PPC405 (serial.c).
185
wdenkc0218802003-03-27 12:09:35 +0000186* Extend INCAIP board support:
187 - add automatic RAM size detection
188 - add "bdinfo" command
189 - pass flash address and size to Linux kernel
190 - switch to 150 MHz clock
191
wdenk06d01db2003-03-14 20:47:52 +0000192* Avoid flicker on the TRAB's VFD by synchronizing the enable with
193 the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
194 boards, version 153 for Rev. 200 boards).
195
196* Patch by Vladimir Gurevich, 12 Mar 2003:
197 Fix relocation problem of statically initialized string pointers
198 in common/cmd_pci.c
199
200* Patch by Kai-Uwe Blöm, 12 Mar 2003:
201 Cleanup & bug fixes for JFFS2 code:
202 - the memory mangement was broken. It caused havoc on malloc by
203 writing beyond the block boundaries.
204 - the length calculation for files was wrong, sometimes resulting
205 in short file reads.
206 - data copying now optionally takes fragment version numbers into
207 account, to avoid copying from older data.
208 See doc/README.JFFS2 for details.
209
wdenk3bac3512003-03-12 10:41:04 +0000210* Patch by Josef Wagner, 12 Mar 2003:
211 - 16/32 MB and 50/80 MHz support with auto-detection for IP860
212 - ETH05 and BEDBUG support for CU824
213 - added support for MicroSys CPC45
214 - new BOOTROM/FLASH0 and DOC base for PM826
215
216* Patch by Robert Schwebel, 12 Mar 2003:
217 Fix the chpart command on innokom board
218
219* Name cleanup:
220 mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
221 s/PPCBoot/U-Boot/ in some files
222 s/pImage/uImage/ in some files
223
224* Patch by Detlev Zundel, 15 Jan 2003:
225 Fix '' command line quoting
226
227* Patch by The LEOX team, 19 Jan 2003:
228 - add support for the ELPT860 board
229 - add support for Dallas ds164x RTC
230
wdenk1cb8e982003-03-06 21:55:29 +0000231* Patches by David Müller, 31 Jan 2003:
232 - minimal setup for CardBus bridges
233 - add EEPROM read/write support in the CS8900 driver
234 - add support for the builtin I2C controller in the Samsung s3c24x0 chips
wdenk3bac3512003-03-12 10:41:04 +0000235 - add support for MPL's VCMA9 (Samsung s3c2410 based) board
wdenk1cb8e982003-03-06 21:55:29 +0000236
237* Patch by Steven Scholz, 04 Feb 2003:
238 add support for RTC DS1307
239
240* Patch by Reinhard Meyer, 5 Feb 2003:
241 fix PLPRCR/SCCR init sequence on 8xx to allow for
242 changes of EBDF by software
243
244* Patch by Vladimir Gurevich, 07 Feb 2003:
245 "API-compatibility patch" for 4xx I2C driver
246
247* TRAB fixes / extensions:
248 - Restore VFD brightness as saved in environment
249 - add support for FGujitsu flashes
250 - make sure both buzzers are turned off (drive low level)
251
wdenk47cd00f2003-03-06 13:39:27 +0000252* Patches by Robert Schwebel, 06 Mar 2003:
253 - fix bug in BOOTP code (must use NetCopyIP)
254 - update of CSB226 port
255 - clear BSS segment on XScale
256 - added support for i2c_init_board() function
257 - update to the Innokom plattform
258
259* Extend support for redundand environments for configurations where
260 environment size < sector size
261
wdenkdb2f721f2003-03-06 00:58:30 +0000262* Patch by Rune Torgersen, 13 Feb 2003:
263 Add support for Motorola MPC8266ADS board
264
265* Patch by Kyle Harris, 19 Feb 2003:
266 patches for the Intel lubbock board:
267 memsetup.S - general cleanup (based on Robert's csb226 code)
268 flash.c - overhaul, actually works now
269 lubbock.c - fix init funcs to return proper value
270
271* Patch by Kenneth Johansson, 26 Feb 2003:
stroese5d5d44e2003-03-20 15:32:59 +0000272 - Fixed off by one in RFTA calculation.
wdenkdb2f721f2003-03-06 00:58:30 +0000273 - No need to abort when LDF is lower than we can program it's only
stroese5d5d44e2003-03-20 15:32:59 +0000274 minimum timing so clamp it to what we can do.
wdenkdb2f721f2003-03-06 00:58:30 +0000275 - Takes function pointer to function for reading the spd_nvram. Usefull
276 for faking data or hardcode a module without the nvram.
277 - fix other user for above change
278 - fix some comments.
279
280* Patches by Brian Waite, 26 Feb 2003:
281 - fix port for evb64260 board
282 - fix PCI for evb64260 board
283 - fix PCI scan
284
285* Patch by Reinhard Meyer, 1 Mar 2003:
286 Add support for EMK TOP860 Module
287
288* Patch by Yuli Barcohen, 02 Mar 2003:
289 Add SPD EEPROM support for MPC8260ADS board
290
wdenk43d96162003-03-06 00:02:04 +0000291* Patch by Robert Schwebel, 21 Jan 2003:
292 - Add support for Innokom board
293 - Don't complain if "install" fails
294 - README cleanup (remove duplicated lines)
295 - Update PXA header files
296
297* Add documentation for existing POST code (doc/README.POST)
298
299* Patch by Laudney Ren, 15 Jan 2003:
300 Fix handling of redundand environment in "tools/envcrc.c"
301
302* Patch by Detlev Zundel, 28 Feb 2003:
303 Add bedbug support for 824x systems
304
305* Add support for 16 MB flash configuration of TRAB board
306
307* Patch by Erwin Rol, 27 Feb 2003:
308 Add support for RTEMS
309
310* Add image information to README
311
stroese2a9e02e2003-02-18 11:30:24 +0000312* Patch by Stefan Roese, 18 Feb 2003:
313 CPCIISER4 configuration updated.
314
stroesed7787c62003-02-17 16:06:06 +0000315* Patch by Stefan Roese, 17 Feb 2003:
316 Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
317
stroesead10dd92003-02-14 11:21:23 +0000318* Patch by Stefan Roese, 13 Feb 2003:
319 Add "pcidelay" environment variable (in ms, enabled via
320 CONFIG_PCI_BOOTDELAY).
321 PCI spec 2.2 defines, that a pci target has 2^25 pci clocks after
322 RST# to respond to configuration cycles (33MHz -> 1s).
323
wdenk43d96162003-03-06 00:02:04 +0000324* Fix dual PCMCIA slot support (when running with just one
325 slot populated)
326
327* Add VFD type detection to trab board
328
329* extend drivers/cs8900.c driver to synchronize ethaddr environment
330 variable with value in the EEPROM
331
stroeseee1b3b52003-02-10 16:39:00 +0000332* Patch by Stefan Roese, 10 Feb 2003:
333 Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
334
wdenkc0218802003-03-27 12:09:35 +0000335* Add support for MIPS32 4Kc CPUs
336
337* Add support for INCA-IP Board
338
wdenk43d96162003-03-06 00:02:04 +0000339======================================================================
340Changes for U-Boot 0.2.2:
341======================================================================
342
wdenkaacf9a42003-01-17 16:27:01 +0000343* Add dual ethernet support on PM826
344
345* Add support for LXT971 PHY on PM826
346
347* Patch by Tord Andersson, 16 Jan 2003:
348 Fix flash sector count for TQM8xxL
349
350* Fix I2C EEPROM problem on ICU862 board (would only write the first
351 16 bytes out of each 32 byte block)
352
353======================================================================
354Changes for U-Boot 0.2.1:
wdenk288b3d72002-12-20 23:42:25 +0000355======================================================================
356
wdenk608c9142003-01-13 23:54:46 +0000357* Add support for V37 board
358 (patch by Jón Benediktsson, 11 Dec 2002)
359
wdenkd0fb80c2003-01-11 09:48:40 +0000360* Update baudrate in bd_info when it gets changed
361
362* Add watchdog trigger points while waiting for serial port
363 (so far only 8xx -- needed on LWMON with 100ms watchdog)
364
365* Improve command line tool to access the U-Boot's environment
366 (figuration of the utility, using a config file)
367
wdenka25f8622003-01-02 23:57:29 +0000368* Add single quote support for (old) command line parser
369
wdenk288b3d72002-12-20 23:42:25 +0000370* Switch LWMON board default config from FRAM to EEPROM;
371 in POST, EEPROM shows up on 8 addresses
372
373======================================================================
wdenk2f91a3d2002-12-17 18:07:30 +0000374Changes for U-Boot 0.2.0:
wdenk24ee89b2002-11-03 17:56:27 +0000375======================================================================
376
wdenk6aff3112002-12-17 01:51:00 +0000377* Use 1-byte-read instead of -write for iprobe() function
378 Add i2c commands to PM826 config
379
380* extend I2C POST code: check for list on known addresses
381
wdenk228f29a2002-12-08 09:53:23 +0000382* Improve log buffer code; use "loglevel" to decide which messages
383 to log on the console, too (like in Linux); get rid of "logstart"
384
385* Add command line tool to access the U-Boot's environment
386 (board-specific for TRAB now, to be fixed later)
387
wdenk7c7a23b2002-12-07 00:20:59 +0000388* Patch by Hans-Joerg Frieden, 06 Dec 2002
389 Fix misc problems with AmigaOne support
390
391* Patch by Chris Hallinan, 3 Dec 2002:
392 minor cleanup to the MPC8245 EPIC driver
393
394* Patch by Pierre Aubert , 28 Nov 2002
395 Add support for external (SIU) interrupts on MPC8xx
396
397* Patch by Pierre Aubert , 28 Nov 2002
398 Fix nested syscalls bug in standalone applications
399
400* Patch by David Müller, 27 Nov 2002:
401 fix output of "pciinfo" command for CardBus bridge devices.
402
403* Fix bug in TQM8260 board detection - boards got stuck when board ID
404 was not readable
405
wdenk1f53a412002-12-04 23:39:58 +0000406* Add LED indication for IDE activity on KUP4K board
407
wdenka6c7ad22002-12-03 21:28:10 +0000408* Fix startup problems with VFD display on TRAB
409
410* Patch by Pierre Aubert, 20 Nov 2002
411 Add driver for Epson SED13806 graphic controller.
412 Add support for BMP logos in cfb_console driver.
413
wdenkea909b72002-11-21 23:11:29 +0000414* Added support for both PCMCIA slots (at the same time!) on MPC8xx
415
416* Patch by Rod Boyce, 21 Nov 2002:
417 fix PCMCIA on MBX8xx board
418
419* Patch by Pierre Aubert , 21 Nov 2002
420 Add CFG_CPM_POST_WORD_ADDR to make the offset of the
421 bootmode word in DPRAM configurable
422
wdenkb2184c32002-11-19 23:01:07 +0000423* Patch by Daniel Engström, 18 Nov 2002:
424 Fixes for x86 port (mostly strings issues)
425
426* Patch by Ken Chou, 18 Nov 2002:
427 Fix for natsemi NIC cards (DP83815)
428
429* Patch by Pierre Aubert, 19 Nov 2002:
430 fix a bug for the MII configuration, and some warnings
431
wdenkc7de8292002-11-19 11:04:11 +0000432* Patch by Thomas Frieden, 13 Nov 2002:
433 Add code for AmigaOne board
434 (preliminary merge to U-Boot, still WIP)
435
436* Patch by Jon Diekema, 12 Nov 2002:
437 - Adding URL for IEEE OUI lookup
438 - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
439 being defined.
440 - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
441 root-on-nfs macros are designed to switch how the default boot
442 method gets defined.
443
wdenk2262cfe2002-11-18 00:14:45 +0000444* Patch by Daniel Engström, 13 Nov 2002:
445 Add support for i386 architecture and AMD SC520 board
446
447* Patch by Pierre Aubert, 12 Nov 2002:
448 Add support for DOS filesystem and booting from DOS floppy disk
449
wdenk1d0350e2002-11-11 21:14:20 +0000450* Patch by Jim Sandoz, 07 Nov 2002:
451 Increase number of network RX buffers (PKTBUFSRX in
452 "include/net.h") for EEPRO100 based boards (especially SP8240)
453 which showed "Receiver is not ready" errors when U-Boot was
454 processing the receive buffers slower than the network controller
455 was filling them.
456
wdenkeb9401e2002-11-11 02:11:37 +0000457* Patch by Andreas Oberritter, 09 Nov 2002:
458 Change behaviour of NetLoop(): return -1 for errors, filesize
459 otherwise; return code 0 is valid an means no file loaded - in this
460 case the environment still gets updated!
461
462* Patches by Jon Diekema, 9 Nov 2002:
463 - improve ADC/DAC clocking on the SACSng board to align
464 the failing edges of LRCLK and SCLK
465 - sbc8260 configuration tweaks
466 - add status LED support for 82xx systems
467 - wire sspi/sspo commands into command handler; improved error
468 handlering
469 - add timestamp support and alternate memory test to the
470 SACSng configuration
471
472* Patch by Vince Husovsky, 7 Nov 2002:
wdenk7f6c2cb2002-11-10 22:06:23 +0000473 Add "-n" to linker options to get rid of "Not enough room for
474 program headers" problem
475
476* Patch by David Müller, 05 Nov 2002
477 Rename CONFIG_PLL_INPUT_FREQ to CONFIG_SYS_CLK_FREQ
478 so we can use an already existing name
479
480* Patch by Pierre Aubert, 05 Nov 2002
481 Hardware relatied improvments in FDC boot code
482
483* Patch by Holger Schurig, 5 Nov 2002:
484 Make the PXA really change it's frequency
485
486* Patch by Pierre Aubert, 05 Nov 2002
487 Add support for slave serial Spartan 2 FPGAs
488
489* Fix uninitialized memory (MAC address) in 8xx SCC/FEC ethernet
490 drivers
491
wdenk56f94be2002-11-05 16:35:14 +0000492* Add support for log buffer which can be passed to Linux kernel's
493 syslog mechanism; used especially for POST results.
494
495* Patch by Klaus Heydeck, 31 Oct 2002:
496 Add initial support for kup4k board
497
wdenk384ae022002-11-05 00:17:55 +0000498* Patch by Robert Schwebel, 04 Nov 2002:
499 - use watchdog to reset PXA250 systems
500 - added progress callbacks to (some of the) ARM code
501 - update for Cogent CSB226 board
502
503* Add support for FPS860 board
504
wdenke95b61c2002-11-04 16:02:40 +0000505* Patch by Guillaume Alexandre,, 04 Nov 2002:
506 Improve PCI access on 32-bits Compact PCI bus
507
wdenk24ee89b2002-11-03 17:56:27 +0000508* Fix mdelay() on TRAB - this was still the debugging version with
509 seconds instead of ms.
510
511* Patch by Robert Schwebel, 1 Nov 2002:
512 XScale related cleanup (affects all ARM boards)
513
514* Cleanup of names and README.
wdenkcc1c8a12002-11-02 22:58:18 +0000515
516======================================================================
wdenk24ee89b2002-11-03 17:56:27 +0000517Notes for U-Boot 0.1.0:
wdenkcc1c8a12002-11-02 22:58:18 +0000518======================================================================
519
520This is the initial version of "Das U-Boot", the Universal Boot Loader.
521
522It is based on version 2.0.0 (the "Halloween Release") of PPCBoot.
523For information about the history of the project please see the
524PPCBoot project page at http://sourceforge.net/projects/ppcboot
525
526======================================================================