1 ======================================================================
2 Changes since U-Boot 0.3.1:
3 ======================================================================
5 * Add support for arbitrary bitmaps for TRAB's VFD command
7 * Patch by Christian Geißinger, 19 May 2002:
8 On TRAB: wait until the dummy byte has been completely sent
10 * Patch by David Updegraff, 22 Apr 2003:
11 update for CrayL1 board
13 * Patch by Pantelis Antoniou, 21 Apr 2003:
14 add boot support for ARTOS (a proprietary OS)
16 * Patch by Steven Scholz, 11 Apr 2003:
17 Add support for RTC DS1338
19 * Patch by Rod Boyce, 24 Jan 2003:
20 Fix counting of extended partitions in diskboot command
22 * Patch by Christophe Lindheimer, 20 May 2003:
23 allow the use of CFG_LOADS when CFG_NO_FLASH is set
25 * Fix SDRAM timing on Purple board
27 * Add support for CompactFlash on ATC board
28 (includes support for Intel 82365 and compatible PC Card controllers,
29 and Yenta-compatible PCI-to-CardBus controllers)
31 * Patch by Mathijs Haarman, 08 May 2003:
32 Add lan91c96 driver (tested on Lubbock and custom PXA250 board only)
34 * Fix problem with usage of "true" (undefined in current versions of bfd.h)
36 * Add support for Promess ATC board
38 * Patch by Keith Outwater, 28 Apr 2003:
39 - Miscellaneous corrections and additions to GEN860T board specific code.
40 - Added GEN860_SC variant to GEN860T.
41 - Miscellaneous corrections to GEN860T documentation.
42 - Correct duplicate entry in U-Boot CREDITS file.
43 - Add GEN860T_SC entry in MAINTAINERS file.
44 - Update CREDITS file with GEN860T_SC info.
46 * Update Smiths Aerospace addresses in MAINTAINERS file
48 * Fix error handling in hush's version of "run" command
51 - Splashscreen support
54 - temperature dependend enabling of LCD
56 * Allow booting from old "PPCBoot" disk partitions
58 * Add support for TQM8255 Board / MPC8255 CPU
60 ======================================================================
61 Changes for U-Boot 0.3.1:
62 ======================================================================
64 * Make sure Block Lock Bits get cleared in R360MPI flash driver
66 * MPC823 LCD driver: Fill color map backwards, to allow for steady
67 display when Linux takes over
69 * Patch by Erwin Rol, 27 Feb 2003:
70 Add support for RTEMS (this time for real).
72 * Add support for "bmp info" and "bmp display" commands to load
73 bitmap images; this can be used (for example in a "preboot"
74 command) to display a splash screen very quickly after poweron.
76 * Add support for 133 MHz clock on INCA-IP board
78 * Patch by Lutz Dennig, 10 Apr 2003:
79 Update for R360MPI board
81 * Add new meaning to "autostart" environment variable:
82 If set to "no", a standalone image passed to the
83 "bootm" command will be copied to the load address
84 (and eventually uncompressed), but NOT be started.
85 This can be used to load and uncompress arbitrary
88 * Patch by Stefan Roese, 10 Apr 2003:
89 Changed DHCP client to use IP address from server option field #54
90 from the OFFER packet in the server option field #54 in the REQUEST
91 packet. This fixes a problem using a Windows 2000 DHCP server,
92 where the DHCP-server is not the TFTP-server.
94 * Set max brightness for MN11236 displays on TRAB board
96 * Add support for TQM862L modules
98 ======================================================================
99 Changes for U-Boot 0.3.0:
100 ======================================================================
102 * Patch by Arun Dharankar, 4 Apr 2003:
103 Add IDMA example code (tested on 8260 only)
105 * Add support for Purple Board (MIPS64 5Kc)
107 * Add support for MIPS64 5Kc CPUs
109 * Fix missing setting of "loadaddr" and "bootfile" on ARM and MIPS
111 * Patch by Denis Peter, 04 Apr 2003:
112 - update MIP405-4 board
114 * Patch by Stefan Roese, 4 Apr 2003:
115 - U-Boot version environment variable "ver" added
116 (CONFIG_VERSION_VARIABLE).
117 - Changed PPC405GPr version from A to B.
118 - Changed CPCI405 to use CTS instead of DSR on PPC405 UART1.
120 * Patches by Denis Peter, 03 April 2003:
121 - fix PCI IRQs on MPL boards
122 - fix two more un-relocated pointer problems
124 * Fix behaviour of "run" command:
125 - print error message iv variable does not exist
126 - terminate processing of arguments in case of error
128 * Patches by Peter Figuli, 10 Mar 2003
129 - Add support for BTUART on PXA platform
130 - Add support for WEP EP250 (PXA) board
132 * Fix flash problems on INCA-IP; add tool to allow bruning images to
133 flash using a BDI2000
135 * Implement fix for I2C Edge Conditions problem for all boards that
136 use the bit-banging driver (common/soft_i2c.c)
138 * Patch by Martin Winistoerfer, 23 Mar 2003
139 - Add port to MPC555/556 microcontrollers
140 - Add support for cmi customer board with
141 Intel 28F128J3A, 28F320J3A or 28F640J3A flash.
143 * Patch by Rick Bronson, 28 Mar 2003:
144 - fix common/cmd_nand.c
146 * Patch by Arun Dharankar, 24 Mar 2003:
147 - add threads / scheduler example code
149 * Add patches by Robert Schwebel, 31 Mar 2003:
150 - add ctrl-c support for kermit download
151 - align bdinfo output on ARM
152 - csb226 board: bring in sync with innokom/memsetup.S
153 - csb226 board: fix MDREFR handling
154 - misc doc fixes / extensions
155 - innokom board: cleanup, MDREFR fix in memsetup.S, config update
156 - add BOOT_PROGRESS to armlinux.c
158 * Add CPU ID, version, and clock speed for INCA-IP
160 * Patches by Dave Ellis, 18 Mar 2003 for SXNI855T board:
161 - fix SRAM and SDRAM memory sizing
162 - add status LED support
163 - add MAC address for second (SCC1) ethernet port
165 * Update default environment for TQM8260 board
167 * Patch by Rick Bronson, 16 Mar 2003:
168 - Add NAND flash support for reading, writing, and erasing NAND
169 flash (certain forms of which are called SmartMedia).
170 - Add support for Atmel AT91RM9200DK ARM920T based development kit.
172 * Patches by Robert Schwebel, 19 Mar 2003:
173 - use arm-linux-gcc as default compiler for ARM
175 - fix missing baudrate setting
176 - added $loadaddr / CFG_LOAD_ADDR support to loadb
177 - moved "ignoring trailing characters" _before_ u-boot wants to
178 print out diagnostics messages; removes bogus characters at the
181 * Patch by John Zhan, 18 Mar 2003:
182 Add support for SinoVee Microsystems SC8xx boards
184 * Patch by Rolf Offermanns, 21 Mar 2003:
185 ported the dnp1110 related changes from the current armboot cvs to
186 current u-boot cvs. smc91111 does not work. problem marked in
187 smc91111.c, grep for "FIXME".
189 * Patch by Brian Auld, 25 Mar 2003:
190 Add support for STM flash chips on ebony board
192 * Add PCI support for MPC8250 Boards (PM825 module)
194 * Patch by Stefan Roese, 25 Mar 2003:
197 * Patch by Stefan Roese, 20 Mar 2003:
198 - CPCI4052 update (support for revision 3).
199 - Set edge conditioning circuitry on PPC405GPr for compatibility
200 to existing PPC405GP designs.
201 - Clip udiv to 5 bits on PPC405 (serial.c).
203 * Extend INCAIP board support:
204 - add automatic RAM size detection
205 - add "bdinfo" command
206 - pass flash address and size to Linux kernel
207 - switch to 150 MHz clock
209 * Avoid flicker on the TRAB's VFD by synchronizing the enable with
210 the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
211 boards, version 153 for Rev. 200 boards).
213 * Patch by Vladimir Gurevich, 12 Mar 2003:
214 Fix relocation problem of statically initialized string pointers
217 * Patch by Kai-Uwe Blöm, 12 Mar 2003:
218 Cleanup & bug fixes for JFFS2 code:
219 - the memory mangement was broken. It caused havoc on malloc by
220 writing beyond the block boundaries.
221 - the length calculation for files was wrong, sometimes resulting
223 - data copying now optionally takes fragment version numbers into
224 account, to avoid copying from older data.
225 See doc/README.JFFS2 for details.
227 * Patch by Josef Wagner, 12 Mar 2003:
228 - 16/32 MB and 50/80 MHz support with auto-detection for IP860
229 - ETH05 and BEDBUG support for CU824
230 - added support for MicroSys CPC45
231 - new BOOTROM/FLASH0 and DOC base for PM826
233 * Patch by Robert Schwebel, 12 Mar 2003:
234 Fix the chpart command on innokom board
237 mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
238 s/PPCBoot/U-Boot/ in some files
239 s/pImage/uImage/ in some files
241 * Patch by Detlev Zundel, 15 Jan 2003:
242 Fix '' command line quoting
244 * Patch by The LEOX team, 19 Jan 2003:
245 - add support for the ELPT860 board
246 - add support for Dallas ds164x RTC
248 * Patches by David Müller, 31 Jan 2003:
249 - minimal setup for CardBus bridges
250 - add EEPROM read/write support in the CS8900 driver
251 - add support for the builtin I2C controller in the Samsung s3c24x0 chips
252 - add support for MPL's VCMA9 (Samsung s3c2410 based) board
254 * Patch by Steven Scholz, 04 Feb 2003:
255 add support for RTC DS1307
257 * Patch by Reinhard Meyer, 5 Feb 2003:
258 fix PLPRCR/SCCR init sequence on 8xx to allow for
259 changes of EBDF by software
261 * Patch by Vladimir Gurevich, 07 Feb 2003:
262 "API-compatibility patch" for 4xx I2C driver
264 * TRAB fixes / extensions:
265 - Restore VFD brightness as saved in environment
266 - add support for FGujitsu flashes
267 - make sure both buzzers are turned off (drive low level)
269 * Patches by Robert Schwebel, 06 Mar 2003:
270 - fix bug in BOOTP code (must use NetCopyIP)
271 - update of CSB226 port
272 - clear BSS segment on XScale
273 - added support for i2c_init_board() function
274 - update to the Innokom plattform
276 * Extend support for redundand environments for configurations where
277 environment size < sector size
279 * Patch by Rune Torgersen, 13 Feb 2003:
280 Add support for Motorola MPC8266ADS board
282 * Patch by Kyle Harris, 19 Feb 2003:
283 patches for the Intel lubbock board:
284 memsetup.S - general cleanup (based on Robert's csb226 code)
285 flash.c - overhaul, actually works now
286 lubbock.c - fix init funcs to return proper value
288 * Patch by Kenneth Johansson, 26 Feb 2003:
289 - Fixed off by one in RFTA calculation.
290 - No need to abort when LDF is lower than we can program it's only
291 minimum timing so clamp it to what we can do.
292 - Takes function pointer to function for reading the spd_nvram. Usefull
293 for faking data or hardcode a module without the nvram.
294 - fix other user for above change
297 * Patches by Brian Waite, 26 Feb 2003:
298 - fix port for evb64260 board
299 - fix PCI for evb64260 board
302 * Patch by Reinhard Meyer, 1 Mar 2003:
303 Add support for EMK TOP860 Module
305 * Patch by Yuli Barcohen, 02 Mar 2003:
306 Add SPD EEPROM support for MPC8260ADS board
308 * Patch by Robert Schwebel, 21 Jan 2003:
309 - Add support for Innokom board
310 - Don't complain if "install" fails
311 - README cleanup (remove duplicated lines)
312 - Update PXA header files
314 * Add documentation for existing POST code (doc/README.POST)
316 * Patch by Laudney Ren, 15 Jan 2003:
317 Fix handling of redundand environment in "tools/envcrc.c"
319 * Patch by Detlev Zundel, 28 Feb 2003:
320 Add bedbug support for 824x systems
322 * Add support for 16 MB flash configuration of TRAB board
324 * Patch by Erwin Rol, 27 Feb 2003:
325 Add support for RTEMS
327 * Add image information to README
329 * Patch by Stefan Roese, 18 Feb 2003:
330 CPCIISER4 configuration updated.
332 * Patch by Stefan Roese, 17 Feb 2003:
333 Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
335 * Patch by Stefan Roese, 13 Feb 2003:
336 Add "pcidelay" environment variable (in ms, enabled via
337 CONFIG_PCI_BOOTDELAY).
338 PCI spec 2.2 defines, that a pci target has 2^25 pci clocks after
339 RST# to respond to configuration cycles (33MHz -> 1s).
341 * Fix dual PCMCIA slot support (when running with just one
344 * Add VFD type detection to trab board
346 * extend drivers/cs8900.c driver to synchronize ethaddr environment
347 variable with value in the EEPROM
349 * Patch by Stefan Roese, 10 Feb 2003:
350 Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
352 * Add support for MIPS32 4Kc CPUs
354 * Add support for INCA-IP Board
356 ======================================================================
357 Changes for U-Boot 0.2.2:
358 ======================================================================
360 * Add dual ethernet support on PM826
362 * Add support for LXT971 PHY on PM826
364 * Patch by Tord Andersson, 16 Jan 2003:
365 Fix flash sector count for TQM8xxL
367 * Fix I2C EEPROM problem on ICU862 board (would only write the first
368 16 bytes out of each 32 byte block)
370 ======================================================================
371 Changes for U-Boot 0.2.1:
372 ======================================================================
374 * Add support for V37 board
375 (patch by Jón Benediktsson, 11 Dec 2002)
377 * Update baudrate in bd_info when it gets changed
379 * Add watchdog trigger points while waiting for serial port
380 (so far only 8xx -- needed on LWMON with 100ms watchdog)
382 * Improve command line tool to access the U-Boot's environment
383 (figuration of the utility, using a config file)
385 * Add single quote support for (old) command line parser
387 * Switch LWMON board default config from FRAM to EEPROM;
388 in POST, EEPROM shows up on 8 addresses
390 ======================================================================
391 Changes for U-Boot 0.2.0:
392 ======================================================================
394 * Use 1-byte-read instead of -write for iprobe() function
395 Add i2c commands to PM826 config
397 * extend I2C POST code: check for list on known addresses
399 * Improve log buffer code; use "loglevel" to decide which messages
400 to log on the console, too (like in Linux); get rid of "logstart"
402 * Add command line tool to access the U-Boot's environment
403 (board-specific for TRAB now, to be fixed later)
405 * Patch by Hans-Joerg Frieden, 06 Dec 2002
406 Fix misc problems with AmigaOne support
408 * Patch by Chris Hallinan, 3 Dec 2002:
409 minor cleanup to the MPC8245 EPIC driver
411 * Patch by Pierre Aubert , 28 Nov 2002
412 Add support for external (SIU) interrupts on MPC8xx
414 * Patch by Pierre Aubert , 28 Nov 2002
415 Fix nested syscalls bug in standalone applications
417 * Patch by David Müller, 27 Nov 2002:
418 fix output of "pciinfo" command for CardBus bridge devices.
420 * Fix bug in TQM8260 board detection - boards got stuck when board ID
423 * Add LED indication for IDE activity on KUP4K board
425 * Fix startup problems with VFD display on TRAB
427 * Patch by Pierre Aubert, 20 Nov 2002
428 Add driver for Epson SED13806 graphic controller.
429 Add support for BMP logos in cfb_console driver.
431 * Added support for both PCMCIA slots (at the same time!) on MPC8xx
433 * Patch by Rod Boyce, 21 Nov 2002:
434 fix PCMCIA on MBX8xx board
436 * Patch by Pierre Aubert , 21 Nov 2002
437 Add CFG_CPM_POST_WORD_ADDR to make the offset of the
438 bootmode word in DPRAM configurable
440 * Patch by Daniel Engström, 18 Nov 2002:
441 Fixes for x86 port (mostly strings issues)
443 * Patch by Ken Chou, 18 Nov 2002:
444 Fix for natsemi NIC cards (DP83815)
446 * Patch by Pierre Aubert, 19 Nov 2002:
447 fix a bug for the MII configuration, and some warnings
449 * Patch by Thomas Frieden, 13 Nov 2002:
450 Add code for AmigaOne board
451 (preliminary merge to U-Boot, still WIP)
453 * Patch by Jon Diekema, 12 Nov 2002:
454 - Adding URL for IEEE OUI lookup
455 - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
457 - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
458 root-on-nfs macros are designed to switch how the default boot
461 * Patch by Daniel Engström, 13 Nov 2002:
462 Add support for i386 architecture and AMD SC520 board
464 * Patch by Pierre Aubert, 12 Nov 2002:
465 Add support for DOS filesystem and booting from DOS floppy disk
467 * Patch by Jim Sandoz, 07 Nov 2002:
468 Increase number of network RX buffers (PKTBUFSRX in
469 "include/net.h") for EEPRO100 based boards (especially SP8240)
470 which showed "Receiver is not ready" errors when U-Boot was
471 processing the receive buffers slower than the network controller
474 * Patch by Andreas Oberritter, 09 Nov 2002:
475 Change behaviour of NetLoop(): return -1 for errors, filesize
476 otherwise; return code 0 is valid an means no file loaded - in this
477 case the environment still gets updated!
479 * Patches by Jon Diekema, 9 Nov 2002:
480 - improve ADC/DAC clocking on the SACSng board to align
481 the failing edges of LRCLK and SCLK
482 - sbc8260 configuration tweaks
483 - add status LED support for 82xx systems
484 - wire sspi/sspo commands into command handler; improved error
486 - add timestamp support and alternate memory test to the
489 * Patch by Vince Husovsky, 7 Nov 2002:
490 Add "-n" to linker options to get rid of "Not enough room for
491 program headers" problem
493 * Patch by David Müller, 05 Nov 2002
494 Rename CONFIG_PLL_INPUT_FREQ to CONFIG_SYS_CLK_FREQ
495 so we can use an already existing name
497 * Patch by Pierre Aubert, 05 Nov 2002
498 Hardware relatied improvments in FDC boot code
500 * Patch by Holger Schurig, 5 Nov 2002:
501 Make the PXA really change it's frequency
503 * Patch by Pierre Aubert, 05 Nov 2002
504 Add support for slave serial Spartan 2 FPGAs
506 * Fix uninitialized memory (MAC address) in 8xx SCC/FEC ethernet
509 * Add support for log buffer which can be passed to Linux kernel's
510 syslog mechanism; used especially for POST results.
512 * Patch by Klaus Heydeck, 31 Oct 2002:
513 Add initial support for kup4k board
515 * Patch by Robert Schwebel, 04 Nov 2002:
516 - use watchdog to reset PXA250 systems
517 - added progress callbacks to (some of the) ARM code
518 - update for Cogent CSB226 board
520 * Add support for FPS860 board
522 * Patch by Guillaume Alexandre,, 04 Nov 2002:
523 Improve PCI access on 32-bits Compact PCI bus
525 * Fix mdelay() on TRAB - this was still the debugging version with
526 seconds instead of ms.
528 * Patch by Robert Schwebel, 1 Nov 2002:
529 XScale related cleanup (affects all ARM boards)
531 * Cleanup of names and README.
533 ======================================================================
534 Notes for U-Boot 0.1.0:
535 ======================================================================
537 This is the initial version of "Das U-Boot", the Universal Boot Loader.
539 It is based on version 2.0.0 (the "Halloween Release") of PPCBoot.
540 For information about the history of the project please see the
541 PPCBoot project page at http://sourceforge.net/projects/ppcboot
543 ======================================================================