1 ======================================================================
2 Changes since U-Boot 0.3.1:
3 ======================================================================
5 * Patch by Marc Singer, 29 May 2003:
6 Fixed rarp boot method for IA32 and other little-endian CPUs.
8 * Patch by Marc Singer, 28 May 2003:
9 Added port I/O commands.
11 * Patch by Matthew McClintock, 28 May 2003
12 - cpu/mpc824x/start.S: fix relocation code when booting from RAM
13 - minor patches for utx8245
15 * Patch by Daniel Engström, 28 May 2003:
18 * Patch by Dave Ellis, 9 May 2003 + 27 May 2003:
19 add nand flash support to SXNI855T configuration
20 fix/extend nand flash support:
21 - fix 'nand erase' command so does not erase bad blocks
22 - fix 'nand write' command so does not write to bad blocks
23 - fix nand_probe() so handles no flash detected properly
25 - add .jffs2 and .oob options to nand read/write
26 - add 'nand bad' command to list bad blocks
27 - add 'clean' option to 'nand erase' to write JFFS2 clean markers
28 - make NAND read/write faster
30 * Patch by Rune Torgersen, 23 May 2003:
31 Update for MPC8266ADS board
33 * Get (mostly) rid of CFG_MONITOR_LEN definition; compute real length
34 instead CFG_MONITOR_LEN is now only used to determine _at_compile_
35 _time_ (!) if the environment is embedded within the U-Boot image,
36 or in a separate flash sector.
38 * Cleanup CFG_DER #defines in config files (wd maintained only)
40 * Fix data abort exception handling for arm920t CPU
42 * Fix alignment problems with flash driver for TRAB board
44 * Patch by Donald White, 21 May 2003:
45 fix calculation of base address in pci_hose_config_device()
47 * Fix bug in command line parsing: "cmd1;cmd2" is supposed to always
48 execute "cmd2", even if "cmd1" fails. Note that this is different
49 to "run var1 var2" where the contents of "var2" will NOT be
50 executed when a command in "var1" fails.
52 * Add zero-copy ramdisk support (requires corresponding kernel support!)
54 * Patch by Kyle Harris, 20 May 2003:
55 In preparation for an ixp port, rename cpu/xscale and arch-xscale
56 into cpu/pxa and arch-pxa.
58 * Patch by Stefan Roese, 23 May 2003:
59 - IBM PPC405EP port added.
60 - CONFIG_UART1_CONSOLE added. If defined internal UART1 (and not
61 UART0) is used as default U-Boot console. PPC4xx only!
62 - esd ASH405 board added (PPC405EP based).
63 - BUBINGA405EP board added (PPC405EP based - IBM Eval Board).
64 - esd CPCI405AB board added.
65 - esd PMC405 board added.
66 - Update of some esd boards.
68 * Patch by Denis Peter, 19 Mai 2003:
69 add support for the MIP405-3 board
71 * Patch by Dave Ellis, 22 May 2003:
72 Fix problem with only partially cleared .bss segment
74 * Patch by Rune Torgersen, 12 May 2003:
75 get PCI to work on a MPC8266ADS board; incorporate change to
76 cpu/mpc8260/pci.c to enable overrides of PCI memory parameters
78 * Patch by Nye Liu, 1 May 2003:
79 minor patches for the FADS8xx
81 * Patch by Thomas Schäfer, 28 Apr 2003:
82 Fix SPD handling for 256 ECC DIMM on Walnut
84 * Add support for arbitrary bitmaps for TRAB's VFD command;
85 allow to pass boot bitmap addresses in environment variables;
86 allow for zero boot delay
88 * Patch by Christian Geißinger, 19 May 2002:
89 On TRAB: wait until the dummy byte has been completely sent
91 * Patch by David Updegraff, 22 Apr 2003:
92 update for CrayL1 board
94 * Patch by Pantelis Antoniou, 21 Apr 2003:
95 add boot support for ARTOS (a proprietary OS)
97 * Patch by Steven Scholz, 11 Apr 2003:
98 Add support for RTC DS1338
100 * Patch by Rod Boyce, 24 Jan 2003:
101 Fix counting of extended partitions in diskboot command
103 * Patch by Christophe Lindheimer, 20 May 2003:
104 allow the use of CFG_LOADS when CFG_NO_FLASH is set
106 * Fix SDRAM timing on Purple board
108 * Add support for CompactFlash on ATC board
109 (includes support for Intel 82365 and compatible PC Card controllers,
110 and Yenta-compatible PCI-to-CardBus controllers)
112 * Patch by Mathijs Haarman, 08 May 2003:
113 Add lan91c96 driver (tested on Lubbock and custom PXA250 board only)
115 * Fix problem with usage of "true" (undefined in current versions of bfd.h)
117 * Add support for Promess ATC board
119 * Patch by Keith Outwater, 28 Apr 2003:
120 - Miscellaneous corrections and additions to GEN860T board specific code.
121 - Added GEN860_SC variant to GEN860T.
122 - Miscellaneous corrections to GEN860T documentation.
123 - Correct duplicate entry in U-Boot CREDITS file.
124 - Add GEN860T_SC entry in MAINTAINERS file.
125 - Update CREDITS file with GEN860T_SC info.
127 * Update Smiths Aerospace addresses in MAINTAINERS file
129 * Fix error handling in hush's version of "run" command
132 - Splashscreen support
135 - temperature dependend enabling of LCD
137 * Allow booting from old "PPCBoot" disk partitions
139 * Add support for TQM8255 Board / MPC8255 CPU
141 ======================================================================
142 Changes for U-Boot 0.3.1:
143 ======================================================================
145 * Make sure Block Lock Bits get cleared in R360MPI flash driver
147 * MPC823 LCD driver: Fill color map backwards, to allow for steady
148 display when Linux takes over
150 * Patch by Erwin Rol, 27 Feb 2003:
151 Add support for RTEMS (this time for real).
153 * Add support for "bmp info" and "bmp display" commands to load
154 bitmap images; this can be used (for example in a "preboot"
155 command) to display a splash screen very quickly after poweron.
157 * Add support for 133 MHz clock on INCA-IP board
159 * Patch by Lutz Dennig, 10 Apr 2003:
160 Update for R360MPI board
162 * Add new meaning to "autostart" environment variable:
163 If set to "no", a standalone image passed to the
164 "bootm" command will be copied to the load address
165 (and eventually uncompressed), but NOT be started.
166 This can be used to load and uncompress arbitrary
169 * Patch by Stefan Roese, 10 Apr 2003:
170 Changed DHCP client to use IP address from server option field #54
171 from the OFFER packet in the server option field #54 in the REQUEST
172 packet. This fixes a problem using a Windows 2000 DHCP server,
173 where the DHCP-server is not the TFTP-server.
175 * Set max brightness for MN11236 displays on TRAB board
177 * Add support for TQM862L modules
179 ======================================================================
180 Changes for U-Boot 0.3.0:
181 ======================================================================
183 * Patch by Arun Dharankar, 4 Apr 2003:
184 Add IDMA example code (tested on 8260 only)
186 * Add support for Purple Board (MIPS64 5Kc)
188 * Add support for MIPS64 5Kc CPUs
190 * Fix missing setting of "loadaddr" and "bootfile" on ARM and MIPS
192 * Patch by Denis Peter, 04 Apr 2003:
193 - update MIP405-4 board
195 * Patch by Stefan Roese, 4 Apr 2003:
196 - U-Boot version environment variable "ver" added
197 (CONFIG_VERSION_VARIABLE).
198 - Changed PPC405GPr version from A to B.
199 - Changed CPCI405 to use CTS instead of DSR on PPC405 UART1.
201 * Patches by Denis Peter, 03 April 2003:
202 - fix PCI IRQs on MPL boards
203 - fix two more un-relocated pointer problems
205 * Fix behaviour of "run" command:
206 - print error message iv variable does not exist
207 - terminate processing of arguments in case of error
209 * Patches by Peter Figuli, 10 Mar 2003
210 - Add support for BTUART on PXA platform
211 - Add support for WEP EP250 (PXA) board
213 * Fix flash problems on INCA-IP; add tool to allow bruning images to
214 flash using a BDI2000
216 * Implement fix for I2C Edge Conditions problem for all boards that
217 use the bit-banging driver (common/soft_i2c.c)
219 * Patch by Martin Winistoerfer, 23 Mar 2003
220 - Add port to MPC555/556 microcontrollers
221 - Add support for cmi customer board with
222 Intel 28F128J3A, 28F320J3A or 28F640J3A flash.
224 * Patch by Rick Bronson, 28 Mar 2003:
225 - fix common/cmd_nand.c
227 * Patch by Arun Dharankar, 24 Mar 2003:
228 - add threads / scheduler example code
230 * Add patches by Robert Schwebel, 31 Mar 2003:
231 - add ctrl-c support for kermit download
232 - align bdinfo output on ARM
233 - csb226 board: bring in sync with innokom/memsetup.S
234 - csb226 board: fix MDREFR handling
235 - misc doc fixes / extensions
236 - innokom board: cleanup, MDREFR fix in memsetup.S, config update
237 - add BOOT_PROGRESS to armlinux.c
239 * Add CPU ID, version, and clock speed for INCA-IP
241 * Patches by Dave Ellis, 18 Mar 2003 for SXNI855T board:
242 - fix SRAM and SDRAM memory sizing
243 - add status LED support
244 - add MAC address for second (SCC1) ethernet port
246 * Update default environment for TQM8260 board
248 * Patch by Rick Bronson, 16 Mar 2003:
249 - Add NAND flash support for reading, writing, and erasing NAND
250 flash (certain forms of which are called SmartMedia).
251 - Add support for Atmel AT91RM9200DK ARM920T based development kit.
253 * Patches by Robert Schwebel, 19 Mar 2003:
254 - use arm-linux-gcc as default compiler for ARM
256 - fix missing baudrate setting
257 - added $loadaddr / CFG_LOAD_ADDR support to loadb
258 - moved "ignoring trailing characters" _before_ u-boot wants to
259 print out diagnostics messages; removes bogus characters at the
262 * Patch by John Zhan, 18 Mar 2003:
263 Add support for SinoVee Microsystems SC8xx boards
265 * Patch by Rolf Offermanns, 21 Mar 2003:
266 ported the dnp1110 related changes from the current armboot cvs to
267 current u-boot cvs. smc91111 does not work. problem marked in
268 smc91111.c, grep for "FIXME".
270 * Patch by Brian Auld, 25 Mar 2003:
271 Add support for STM flash chips on ebony board
273 * Add PCI support for MPC8250 Boards (PM825 module)
275 * Patch by Stefan Roese, 25 Mar 2003:
278 * Patch by Stefan Roese, 20 Mar 2003:
279 - CPCI4052 update (support for revision 3).
280 - Set edge conditioning circuitry on PPC405GPr for compatibility
281 to existing PPC405GP designs.
282 - Clip udiv to 5 bits on PPC405 (serial.c).
284 * Extend INCAIP board support:
285 - add automatic RAM size detection
286 - add "bdinfo" command
287 - pass flash address and size to Linux kernel
288 - switch to 150 MHz clock
290 * Avoid flicker on the TRAB's VFD by synchronizing the enable with
291 the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
292 boards, version 153 for Rev. 200 boards).
294 * Patch by Vladimir Gurevich, 12 Mar 2003:
295 Fix relocation problem of statically initialized string pointers
298 * Patch by Kai-Uwe Blöm, 12 Mar 2003:
299 Cleanup & bug fixes for JFFS2 code:
300 - the memory mangement was broken. It caused havoc on malloc by
301 writing beyond the block boundaries.
302 - the length calculation for files was wrong, sometimes resulting
304 - data copying now optionally takes fragment version numbers into
305 account, to avoid copying from older data.
306 See doc/README.JFFS2 for details.
308 * Patch by Josef Wagner, 12 Mar 2003:
309 - 16/32 MB and 50/80 MHz support with auto-detection for IP860
310 - ETH05 and BEDBUG support for CU824
311 - added support for MicroSys CPC45
312 - new BOOTROM/FLASH0 and DOC base for PM826
314 * Patch by Robert Schwebel, 12 Mar 2003:
315 Fix the chpart command on innokom board
318 mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
319 s/PPCBoot/U-Boot/ in some files
320 s/pImage/uImage/ in some files
322 * Patch by Detlev Zundel, 15 Jan 2003:
323 Fix '' command line quoting
325 * Patch by The LEOX team, 19 Jan 2003:
326 - add support for the ELPT860 board
327 - add support for Dallas ds164x RTC
329 * Patches by David Müller, 31 Jan 2003:
330 - minimal setup for CardBus bridges
331 - add EEPROM read/write support in the CS8900 driver
332 - add support for the builtin I2C controller in the Samsung s3c24x0 chips
333 - add support for MPL's VCMA9 (Samsung s3c2410 based) board
335 * Patch by Steven Scholz, 04 Feb 2003:
336 add support for RTC DS1307
338 * Patch by Reinhard Meyer, 5 Feb 2003:
339 fix PLPRCR/SCCR init sequence on 8xx to allow for
340 changes of EBDF by software
342 * Patch by Vladimir Gurevich, 07 Feb 2003:
343 "API-compatibility patch" for 4xx I2C driver
345 * TRAB fixes / extensions:
346 - Restore VFD brightness as saved in environment
347 - add support for FGujitsu flashes
348 - make sure both buzzers are turned off (drive low level)
350 * Patches by Robert Schwebel, 06 Mar 2003:
351 - fix bug in BOOTP code (must use NetCopyIP)
352 - update of CSB226 port
353 - clear BSS segment on XScale
354 - added support for i2c_init_board() function
355 - update to the Innokom plattform
357 * Extend support for redundand environments for configurations where
358 environment size < sector size
360 * Patch by Rune Torgersen, 13 Feb 2003:
361 Add support for Motorola MPC8266ADS board
363 * Patch by Kyle Harris, 19 Feb 2003:
364 patches for the Intel lubbock board:
365 memsetup.S - general cleanup (based on Robert's csb226 code)
366 flash.c - overhaul, actually works now
367 lubbock.c - fix init funcs to return proper value
369 * Patch by Kenneth Johansson, 26 Feb 2003:
370 - Fixed off by one in RFTA calculation.
371 - No need to abort when LDF is lower than we can program it's only
372 minimum timing so clamp it to what we can do.
373 - Takes function pointer to function for reading the spd_nvram. Usefull
374 for faking data or hardcode a module without the nvram.
375 - fix other user for above change
378 * Patches by Brian Waite, 26 Feb 2003:
379 - fix port for evb64260 board
380 - fix PCI for evb64260 board
383 * Patch by Reinhard Meyer, 1 Mar 2003:
384 Add support for EMK TOP860 Module
386 * Patch by Yuli Barcohen, 02 Mar 2003:
387 Add SPD EEPROM support for MPC8260ADS board
389 * Patch by Robert Schwebel, 21 Jan 2003:
390 - Add support for Innokom board
391 - Don't complain if "install" fails
392 - README cleanup (remove duplicated lines)
393 - Update PXA header files
395 * Add documentation for existing POST code (doc/README.POST)
397 * Patch by Laudney Ren, 15 Jan 2003:
398 Fix handling of redundand environment in "tools/envcrc.c"
400 * Patch by Detlev Zundel, 28 Feb 2003:
401 Add bedbug support for 824x systems
403 * Add support for 16 MB flash configuration of TRAB board
405 * Patch by Erwin Rol, 27 Feb 2003:
406 Add support for RTEMS
408 * Add image information to README
410 * Patch by Stefan Roese, 18 Feb 2003:
411 CPCIISER4 configuration updated.
413 * Patch by Stefan Roese, 17 Feb 2003:
414 Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
416 * Patch by Stefan Roese, 13 Feb 2003:
417 Add "pcidelay" environment variable (in ms, enabled via
418 CONFIG_PCI_BOOTDELAY).
419 PCI spec 2.2 defines, that a pci target has 2^25 pci clocks after
420 RST# to respond to configuration cycles (33MHz -> 1s).
422 * Fix dual PCMCIA slot support (when running with just one
425 * Add VFD type detection to trab board
427 * extend drivers/cs8900.c driver to synchronize ethaddr environment
428 variable with value in the EEPROM
430 * Patch by Stefan Roese, 10 Feb 2003:
431 Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
433 * Add support for MIPS32 4Kc CPUs
435 * Add support for INCA-IP Board
437 ======================================================================
438 Changes for U-Boot 0.2.2:
439 ======================================================================
441 * Add dual ethernet support on PM826
443 * Add support for LXT971 PHY on PM826
445 * Patch by Tord Andersson, 16 Jan 2003:
446 Fix flash sector count for TQM8xxL
448 * Fix I2C EEPROM problem on ICU862 board (would only write the first
449 16 bytes out of each 32 byte block)
451 ======================================================================
452 Changes for U-Boot 0.2.1:
453 ======================================================================
455 * Add support for V37 board
456 (patch by Jón Benediktsson, 11 Dec 2002)
458 * Update baudrate in bd_info when it gets changed
460 * Add watchdog trigger points while waiting for serial port
461 (so far only 8xx -- needed on LWMON with 100ms watchdog)
463 * Improve command line tool to access the U-Boot's environment
464 (figuration of the utility, using a config file)
466 * Add single quote support for (old) command line parser
468 * Switch LWMON board default config from FRAM to EEPROM;
469 in POST, EEPROM shows up on 8 addresses
471 ======================================================================
472 Changes for U-Boot 0.2.0:
473 ======================================================================
475 * Use 1-byte-read instead of -write for iprobe() function
476 Add i2c commands to PM826 config
478 * extend I2C POST code: check for list on known addresses
480 * Improve log buffer code; use "loglevel" to decide which messages
481 to log on the console, too (like in Linux); get rid of "logstart"
483 * Add command line tool to access the U-Boot's environment
484 (board-specific for TRAB now, to be fixed later)
486 * Patch by Hans-Joerg Frieden, 06 Dec 2002
487 Fix misc problems with AmigaOne support
489 * Patch by Chris Hallinan, 3 Dec 2002:
490 minor cleanup to the MPC8245 EPIC driver
492 * Patch by Pierre Aubert , 28 Nov 2002
493 Add support for external (SIU) interrupts on MPC8xx
495 * Patch by Pierre Aubert , 28 Nov 2002
496 Fix nested syscalls bug in standalone applications
498 * Patch by David Müller, 27 Nov 2002:
499 fix output of "pciinfo" command for CardBus bridge devices.
501 * Fix bug in TQM8260 board detection - boards got stuck when board ID
504 * Add LED indication for IDE activity on KUP4K board
506 * Fix startup problems with VFD display on TRAB
508 * Patch by Pierre Aubert, 20 Nov 2002
509 Add driver for Epson SED13806 graphic controller.
510 Add support for BMP logos in cfb_console driver.
512 * Added support for both PCMCIA slots (at the same time!) on MPC8xx
514 * Patch by Rod Boyce, 21 Nov 2002:
515 fix PCMCIA on MBX8xx board
517 * Patch by Pierre Aubert , 21 Nov 2002
518 Add CFG_CPM_POST_WORD_ADDR to make the offset of the
519 bootmode word in DPRAM configurable
521 * Patch by Daniel Engström, 18 Nov 2002:
522 Fixes for x86 port (mostly strings issues)
524 * Patch by Ken Chou, 18 Nov 2002:
525 Fix for natsemi NIC cards (DP83815)
527 * Patch by Pierre Aubert, 19 Nov 2002:
528 fix a bug for the MII configuration, and some warnings
530 * Patch by Thomas Frieden, 13 Nov 2002:
531 Add code for AmigaOne board
532 (preliminary merge to U-Boot, still WIP)
534 * Patch by Jon Diekema, 12 Nov 2002:
535 - Adding URL for IEEE OUI lookup
536 - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
538 - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
539 root-on-nfs macros are designed to switch how the default boot
542 * Patch by Daniel Engström, 13 Nov 2002:
543 Add support for i386 architecture and AMD SC520 board
545 * Patch by Pierre Aubert, 12 Nov 2002:
546 Add support for DOS filesystem and booting from DOS floppy disk
548 * Patch by Jim Sandoz, 07 Nov 2002:
549 Increase number of network RX buffers (PKTBUFSRX in
550 "include/net.h") for EEPRO100 based boards (especially SP8240)
551 which showed "Receiver is not ready" errors when U-Boot was
552 processing the receive buffers slower than the network controller
555 * Patch by Andreas Oberritter, 09 Nov 2002:
556 Change behaviour of NetLoop(): return -1 for errors, filesize
557 otherwise; return code 0 is valid an means no file loaded - in this
558 case the environment still gets updated!
560 * Patches by Jon Diekema, 9 Nov 2002:
561 - improve ADC/DAC clocking on the SACSng board to align
562 the failing edges of LRCLK and SCLK
563 - sbc8260 configuration tweaks
564 - add status LED support for 82xx systems
565 - wire sspi/sspo commands into command handler; improved error
567 - add timestamp support and alternate memory test to the
570 * Patch by Vince Husovsky, 7 Nov 2002:
571 Add "-n" to linker options to get rid of "Not enough room for
572 program headers" problem
574 * Patch by David Müller, 05 Nov 2002
575 Rename CONFIG_PLL_INPUT_FREQ to CONFIG_SYS_CLK_FREQ
576 so we can use an already existing name
578 * Patch by Pierre Aubert, 05 Nov 2002
579 Hardware relatied improvments in FDC boot code
581 * Patch by Holger Schurig, 5 Nov 2002:
582 Make the PXA really change it's frequency
584 * Patch by Pierre Aubert, 05 Nov 2002
585 Add support for slave serial Spartan 2 FPGAs
587 * Fix uninitialized memory (MAC address) in 8xx SCC/FEC ethernet
590 * Add support for log buffer which can be passed to Linux kernel's
591 syslog mechanism; used especially for POST results.
593 * Patch by Klaus Heydeck, 31 Oct 2002:
594 Add initial support for kup4k board
596 * Patch by Robert Schwebel, 04 Nov 2002:
597 - use watchdog to reset PXA250 systems
598 - added progress callbacks to (some of the) ARM code
599 - update for Cogent CSB226 board
601 * Add support for FPS860 board
603 * Patch by Guillaume Alexandre,, 04 Nov 2002:
604 Improve PCI access on 32-bits Compact PCI bus
606 * Fix mdelay() on TRAB - this was still the debugging version with
607 seconds instead of ms.
609 * Patch by Robert Schwebel, 1 Nov 2002:
610 XScale related cleanup (affects all ARM boards)
612 * Cleanup of names and README.
614 ======================================================================
615 Notes for U-Boot 0.1.0:
616 ======================================================================
618 This is the initial version of "Das U-Boot", the Universal Boot Loader.
620 It is based on version 2.0.0 (the "Halloween Release") of PPCBoot.
621 For information about the history of the project please see the
622 PPCBoot project page at http://sourceforge.net/projects/ppcboot
624 ======================================================================