1 ======================================================================
2 Changes since U-Boot 0.3.1:
3 ======================================================================
5 * Patch by Dave Ellis, 22 May 2003:
6 Fix problem with only partially cleared .bss segment
8 * Patch by Rune Torgersen, 12 May 2003:
9 get PCI to work on a MPC8266ADS board; incorporate change to
10 cpu/mpc8260/pci.c to enable overrides of PCI memory parameters
12 * Patch by Nye Liu, 1 May 2003:
13 minor patches for the FADS8xx
15 * Patch by Thomas Schäfer, 28 Apr 2003:
16 Fix SPD handling for 256 ECC DIMM on Walnut
18 * Add support for arbitrary bitmaps for TRAB's VFD command;
19 allow to pass boot bitmap addresses in environment variables;
20 allow for zero boot delay
22 * Patch by Christian Geißinger, 19 May 2002:
23 On TRAB: wait until the dummy byte has been completely sent
25 * Patch by David Updegraff, 22 Apr 2003:
26 update for CrayL1 board
28 * Patch by Pantelis Antoniou, 21 Apr 2003:
29 add boot support for ARTOS (a proprietary OS)
31 * Patch by Steven Scholz, 11 Apr 2003:
32 Add support for RTC DS1338
34 * Patch by Rod Boyce, 24 Jan 2003:
35 Fix counting of extended partitions in diskboot command
37 * Patch by Christophe Lindheimer, 20 May 2003:
38 allow the use of CFG_LOADS when CFG_NO_FLASH is set
40 * Fix SDRAM timing on Purple board
42 * Add support for CompactFlash on ATC board
43 (includes support for Intel 82365 and compatible PC Card controllers,
44 and Yenta-compatible PCI-to-CardBus controllers)
46 * Patch by Mathijs Haarman, 08 May 2003:
47 Add lan91c96 driver (tested on Lubbock and custom PXA250 board only)
49 * Fix problem with usage of "true" (undefined in current versions of bfd.h)
51 * Add support for Promess ATC board
53 * Patch by Keith Outwater, 28 Apr 2003:
54 - Miscellaneous corrections and additions to GEN860T board specific code.
55 - Added GEN860_SC variant to GEN860T.
56 - Miscellaneous corrections to GEN860T documentation.
57 - Correct duplicate entry in U-Boot CREDITS file.
58 - Add GEN860T_SC entry in MAINTAINERS file.
59 - Update CREDITS file with GEN860T_SC info.
61 * Update Smiths Aerospace addresses in MAINTAINERS file
63 * Fix error handling in hush's version of "run" command
66 - Splashscreen support
69 - temperature dependend enabling of LCD
71 * Allow booting from old "PPCBoot" disk partitions
73 * Add support for TQM8255 Board / MPC8255 CPU
75 ======================================================================
76 Changes for U-Boot 0.3.1:
77 ======================================================================
79 * Make sure Block Lock Bits get cleared in R360MPI flash driver
81 * MPC823 LCD driver: Fill color map backwards, to allow for steady
82 display when Linux takes over
84 * Patch by Erwin Rol, 27 Feb 2003:
85 Add support for RTEMS (this time for real).
87 * Add support for "bmp info" and "bmp display" commands to load
88 bitmap images; this can be used (for example in a "preboot"
89 command) to display a splash screen very quickly after poweron.
91 * Add support for 133 MHz clock on INCA-IP board
93 * Patch by Lutz Dennig, 10 Apr 2003:
94 Update for R360MPI board
96 * Add new meaning to "autostart" environment variable:
97 If set to "no", a standalone image passed to the
98 "bootm" command will be copied to the load address
99 (and eventually uncompressed), but NOT be started.
100 This can be used to load and uncompress arbitrary
103 * Patch by Stefan Roese, 10 Apr 2003:
104 Changed DHCP client to use IP address from server option field #54
105 from the OFFER packet in the server option field #54 in the REQUEST
106 packet. This fixes a problem using a Windows 2000 DHCP server,
107 where the DHCP-server is not the TFTP-server.
109 * Set max brightness for MN11236 displays on TRAB board
111 * Add support for TQM862L modules
113 ======================================================================
114 Changes for U-Boot 0.3.0:
115 ======================================================================
117 * Patch by Arun Dharankar, 4 Apr 2003:
118 Add IDMA example code (tested on 8260 only)
120 * Add support for Purple Board (MIPS64 5Kc)
122 * Add support for MIPS64 5Kc CPUs
124 * Fix missing setting of "loadaddr" and "bootfile" on ARM and MIPS
126 * Patch by Denis Peter, 04 Apr 2003:
127 - update MIP405-4 board
129 * Patch by Stefan Roese, 4 Apr 2003:
130 - U-Boot version environment variable "ver" added
131 (CONFIG_VERSION_VARIABLE).
132 - Changed PPC405GPr version from A to B.
133 - Changed CPCI405 to use CTS instead of DSR on PPC405 UART1.
135 * Patches by Denis Peter, 03 April 2003:
136 - fix PCI IRQs on MPL boards
137 - fix two more un-relocated pointer problems
139 * Fix behaviour of "run" command:
140 - print error message iv variable does not exist
141 - terminate processing of arguments in case of error
143 * Patches by Peter Figuli, 10 Mar 2003
144 - Add support for BTUART on PXA platform
145 - Add support for WEP EP250 (PXA) board
147 * Fix flash problems on INCA-IP; add tool to allow bruning images to
148 flash using a BDI2000
150 * Implement fix for I2C Edge Conditions problem for all boards that
151 use the bit-banging driver (common/soft_i2c.c)
153 * Patch by Martin Winistoerfer, 23 Mar 2003
154 - Add port to MPC555/556 microcontrollers
155 - Add support for cmi customer board with
156 Intel 28F128J3A, 28F320J3A or 28F640J3A flash.
158 * Patch by Rick Bronson, 28 Mar 2003:
159 - fix common/cmd_nand.c
161 * Patch by Arun Dharankar, 24 Mar 2003:
162 - add threads / scheduler example code
164 * Add patches by Robert Schwebel, 31 Mar 2003:
165 - add ctrl-c support for kermit download
166 - align bdinfo output on ARM
167 - csb226 board: bring in sync with innokom/memsetup.S
168 - csb226 board: fix MDREFR handling
169 - misc doc fixes / extensions
170 - innokom board: cleanup, MDREFR fix in memsetup.S, config update
171 - add BOOT_PROGRESS to armlinux.c
173 * Add CPU ID, version, and clock speed for INCA-IP
175 * Patches by Dave Ellis, 18 Mar 2003 for SXNI855T board:
176 - fix SRAM and SDRAM memory sizing
177 - add status LED support
178 - add MAC address for second (SCC1) ethernet port
180 * Update default environment for TQM8260 board
182 * Patch by Rick Bronson, 16 Mar 2003:
183 - Add NAND flash support for reading, writing, and erasing NAND
184 flash (certain forms of which are called SmartMedia).
185 - Add support for Atmel AT91RM9200DK ARM920T based development kit.
187 * Patches by Robert Schwebel, 19 Mar 2003:
188 - use arm-linux-gcc as default compiler for ARM
190 - fix missing baudrate setting
191 - added $loadaddr / CFG_LOAD_ADDR support to loadb
192 - moved "ignoring trailing characters" _before_ u-boot wants to
193 print out diagnostics messages; removes bogus characters at the
196 * Patch by John Zhan, 18 Mar 2003:
197 Add support for SinoVee Microsystems SC8xx boards
199 * Patch by Rolf Offermanns, 21 Mar 2003:
200 ported the dnp1110 related changes from the current armboot cvs to
201 current u-boot cvs. smc91111 does not work. problem marked in
202 smc91111.c, grep for "FIXME".
204 * Patch by Brian Auld, 25 Mar 2003:
205 Add support for STM flash chips on ebony board
207 * Add PCI support for MPC8250 Boards (PM825 module)
209 * Patch by Stefan Roese, 25 Mar 2003:
212 * Patch by Stefan Roese, 20 Mar 2003:
213 - CPCI4052 update (support for revision 3).
214 - Set edge conditioning circuitry on PPC405GPr for compatibility
215 to existing PPC405GP designs.
216 - Clip udiv to 5 bits on PPC405 (serial.c).
218 * Extend INCAIP board support:
219 - add automatic RAM size detection
220 - add "bdinfo" command
221 - pass flash address and size to Linux kernel
222 - switch to 150 MHz clock
224 * Avoid flicker on the TRAB's VFD by synchronizing the enable with
225 the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
226 boards, version 153 for Rev. 200 boards).
228 * Patch by Vladimir Gurevich, 12 Mar 2003:
229 Fix relocation problem of statically initialized string pointers
232 * Patch by Kai-Uwe Blöm, 12 Mar 2003:
233 Cleanup & bug fixes for JFFS2 code:
234 - the memory mangement was broken. It caused havoc on malloc by
235 writing beyond the block boundaries.
236 - the length calculation for files was wrong, sometimes resulting
238 - data copying now optionally takes fragment version numbers into
239 account, to avoid copying from older data.
240 See doc/README.JFFS2 for details.
242 * Patch by Josef Wagner, 12 Mar 2003:
243 - 16/32 MB and 50/80 MHz support with auto-detection for IP860
244 - ETH05 and BEDBUG support for CU824
245 - added support for MicroSys CPC45
246 - new BOOTROM/FLASH0 and DOC base for PM826
248 * Patch by Robert Schwebel, 12 Mar 2003:
249 Fix the chpart command on innokom board
252 mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
253 s/PPCBoot/U-Boot/ in some files
254 s/pImage/uImage/ in some files
256 * Patch by Detlev Zundel, 15 Jan 2003:
257 Fix '' command line quoting
259 * Patch by The LEOX team, 19 Jan 2003:
260 - add support for the ELPT860 board
261 - add support for Dallas ds164x RTC
263 * Patches by David Müller, 31 Jan 2003:
264 - minimal setup for CardBus bridges
265 - add EEPROM read/write support in the CS8900 driver
266 - add support for the builtin I2C controller in the Samsung s3c24x0 chips
267 - add support for MPL's VCMA9 (Samsung s3c2410 based) board
269 * Patch by Steven Scholz, 04 Feb 2003:
270 add support for RTC DS1307
272 * Patch by Reinhard Meyer, 5 Feb 2003:
273 fix PLPRCR/SCCR init sequence on 8xx to allow for
274 changes of EBDF by software
276 * Patch by Vladimir Gurevich, 07 Feb 2003:
277 "API-compatibility patch" for 4xx I2C driver
279 * TRAB fixes / extensions:
280 - Restore VFD brightness as saved in environment
281 - add support for FGujitsu flashes
282 - make sure both buzzers are turned off (drive low level)
284 * Patches by Robert Schwebel, 06 Mar 2003:
285 - fix bug in BOOTP code (must use NetCopyIP)
286 - update of CSB226 port
287 - clear BSS segment on XScale
288 - added support for i2c_init_board() function
289 - update to the Innokom plattform
291 * Extend support for redundand environments for configurations where
292 environment size < sector size
294 * Patch by Rune Torgersen, 13 Feb 2003:
295 Add support for Motorola MPC8266ADS board
297 * Patch by Kyle Harris, 19 Feb 2003:
298 patches for the Intel lubbock board:
299 memsetup.S - general cleanup (based on Robert's csb226 code)
300 flash.c - overhaul, actually works now
301 lubbock.c - fix init funcs to return proper value
303 * Patch by Kenneth Johansson, 26 Feb 2003:
304 - Fixed off by one in RFTA calculation.
305 - No need to abort when LDF is lower than we can program it's only
306 minimum timing so clamp it to what we can do.
307 - Takes function pointer to function for reading the spd_nvram. Usefull
308 for faking data or hardcode a module without the nvram.
309 - fix other user for above change
312 * Patches by Brian Waite, 26 Feb 2003:
313 - fix port for evb64260 board
314 - fix PCI for evb64260 board
317 * Patch by Reinhard Meyer, 1 Mar 2003:
318 Add support for EMK TOP860 Module
320 * Patch by Yuli Barcohen, 02 Mar 2003:
321 Add SPD EEPROM support for MPC8260ADS board
323 * Patch by Robert Schwebel, 21 Jan 2003:
324 - Add support for Innokom board
325 - Don't complain if "install" fails
326 - README cleanup (remove duplicated lines)
327 - Update PXA header files
329 * Add documentation for existing POST code (doc/README.POST)
331 * Patch by Laudney Ren, 15 Jan 2003:
332 Fix handling of redundand environment in "tools/envcrc.c"
334 * Patch by Detlev Zundel, 28 Feb 2003:
335 Add bedbug support for 824x systems
337 * Add support for 16 MB flash configuration of TRAB board
339 * Patch by Erwin Rol, 27 Feb 2003:
340 Add support for RTEMS
342 * Add image information to README
344 * Patch by Stefan Roese, 18 Feb 2003:
345 CPCIISER4 configuration updated.
347 * Patch by Stefan Roese, 17 Feb 2003:
348 Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
350 * Patch by Stefan Roese, 13 Feb 2003:
351 Add "pcidelay" environment variable (in ms, enabled via
352 CONFIG_PCI_BOOTDELAY).
353 PCI spec 2.2 defines, that a pci target has 2^25 pci clocks after
354 RST# to respond to configuration cycles (33MHz -> 1s).
356 * Fix dual PCMCIA slot support (when running with just one
359 * Add VFD type detection to trab board
361 * extend drivers/cs8900.c driver to synchronize ethaddr environment
362 variable with value in the EEPROM
364 * Patch by Stefan Roese, 10 Feb 2003:
365 Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
367 * Add support for MIPS32 4Kc CPUs
369 * Add support for INCA-IP Board
371 ======================================================================
372 Changes for U-Boot 0.2.2:
373 ======================================================================
375 * Add dual ethernet support on PM826
377 * Add support for LXT971 PHY on PM826
379 * Patch by Tord Andersson, 16 Jan 2003:
380 Fix flash sector count for TQM8xxL
382 * Fix I2C EEPROM problem on ICU862 board (would only write the first
383 16 bytes out of each 32 byte block)
385 ======================================================================
386 Changes for U-Boot 0.2.1:
387 ======================================================================
389 * Add support for V37 board
390 (patch by Jón Benediktsson, 11 Dec 2002)
392 * Update baudrate in bd_info when it gets changed
394 * Add watchdog trigger points while waiting for serial port
395 (so far only 8xx -- needed on LWMON with 100ms watchdog)
397 * Improve command line tool to access the U-Boot's environment
398 (figuration of the utility, using a config file)
400 * Add single quote support for (old) command line parser
402 * Switch LWMON board default config from FRAM to EEPROM;
403 in POST, EEPROM shows up on 8 addresses
405 ======================================================================
406 Changes for U-Boot 0.2.0:
407 ======================================================================
409 * Use 1-byte-read instead of -write for iprobe() function
410 Add i2c commands to PM826 config
412 * extend I2C POST code: check for list on known addresses
414 * Improve log buffer code; use "loglevel" to decide which messages
415 to log on the console, too (like in Linux); get rid of "logstart"
417 * Add command line tool to access the U-Boot's environment
418 (board-specific for TRAB now, to be fixed later)
420 * Patch by Hans-Joerg Frieden, 06 Dec 2002
421 Fix misc problems with AmigaOne support
423 * Patch by Chris Hallinan, 3 Dec 2002:
424 minor cleanup to the MPC8245 EPIC driver
426 * Patch by Pierre Aubert , 28 Nov 2002
427 Add support for external (SIU) interrupts on MPC8xx
429 * Patch by Pierre Aubert , 28 Nov 2002
430 Fix nested syscalls bug in standalone applications
432 * Patch by David Müller, 27 Nov 2002:
433 fix output of "pciinfo" command for CardBus bridge devices.
435 * Fix bug in TQM8260 board detection - boards got stuck when board ID
438 * Add LED indication for IDE activity on KUP4K board
440 * Fix startup problems with VFD display on TRAB
442 * Patch by Pierre Aubert, 20 Nov 2002
443 Add driver for Epson SED13806 graphic controller.
444 Add support for BMP logos in cfb_console driver.
446 * Added support for both PCMCIA slots (at the same time!) on MPC8xx
448 * Patch by Rod Boyce, 21 Nov 2002:
449 fix PCMCIA on MBX8xx board
451 * Patch by Pierre Aubert , 21 Nov 2002
452 Add CFG_CPM_POST_WORD_ADDR to make the offset of the
453 bootmode word in DPRAM configurable
455 * Patch by Daniel Engström, 18 Nov 2002:
456 Fixes for x86 port (mostly strings issues)
458 * Patch by Ken Chou, 18 Nov 2002:
459 Fix for natsemi NIC cards (DP83815)
461 * Patch by Pierre Aubert, 19 Nov 2002:
462 fix a bug for the MII configuration, and some warnings
464 * Patch by Thomas Frieden, 13 Nov 2002:
465 Add code for AmigaOne board
466 (preliminary merge to U-Boot, still WIP)
468 * Patch by Jon Diekema, 12 Nov 2002:
469 - Adding URL for IEEE OUI lookup
470 - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
472 - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
473 root-on-nfs macros are designed to switch how the default boot
476 * Patch by Daniel Engström, 13 Nov 2002:
477 Add support for i386 architecture and AMD SC520 board
479 * Patch by Pierre Aubert, 12 Nov 2002:
480 Add support for DOS filesystem and booting from DOS floppy disk
482 * Patch by Jim Sandoz, 07 Nov 2002:
483 Increase number of network RX buffers (PKTBUFSRX in
484 "include/net.h") for EEPRO100 based boards (especially SP8240)
485 which showed "Receiver is not ready" errors when U-Boot was
486 processing the receive buffers slower than the network controller
489 * Patch by Andreas Oberritter, 09 Nov 2002:
490 Change behaviour of NetLoop(): return -1 for errors, filesize
491 otherwise; return code 0 is valid an means no file loaded - in this
492 case the environment still gets updated!
494 * Patches by Jon Diekema, 9 Nov 2002:
495 - improve ADC/DAC clocking on the SACSng board to align
496 the failing edges of LRCLK and SCLK
497 - sbc8260 configuration tweaks
498 - add status LED support for 82xx systems
499 - wire sspi/sspo commands into command handler; improved error
501 - add timestamp support and alternate memory test to the
504 * Patch by Vince Husovsky, 7 Nov 2002:
505 Add "-n" to linker options to get rid of "Not enough room for
506 program headers" problem
508 * Patch by David Müller, 05 Nov 2002
509 Rename CONFIG_PLL_INPUT_FREQ to CONFIG_SYS_CLK_FREQ
510 so we can use an already existing name
512 * Patch by Pierre Aubert, 05 Nov 2002
513 Hardware relatied improvments in FDC boot code
515 * Patch by Holger Schurig, 5 Nov 2002:
516 Make the PXA really change it's frequency
518 * Patch by Pierre Aubert, 05 Nov 2002
519 Add support for slave serial Spartan 2 FPGAs
521 * Fix uninitialized memory (MAC address) in 8xx SCC/FEC ethernet
524 * Add support for log buffer which can be passed to Linux kernel's
525 syslog mechanism; used especially for POST results.
527 * Patch by Klaus Heydeck, 31 Oct 2002:
528 Add initial support for kup4k board
530 * Patch by Robert Schwebel, 04 Nov 2002:
531 - use watchdog to reset PXA250 systems
532 - added progress callbacks to (some of the) ARM code
533 - update for Cogent CSB226 board
535 * Add support for FPS860 board
537 * Patch by Guillaume Alexandre,, 04 Nov 2002:
538 Improve PCI access on 32-bits Compact PCI bus
540 * Fix mdelay() on TRAB - this was still the debugging version with
541 seconds instead of ms.
543 * Patch by Robert Schwebel, 1 Nov 2002:
544 XScale related cleanup (affects all ARM boards)
546 * Cleanup of names and README.
548 ======================================================================
549 Notes for U-Boot 0.1.0:
550 ======================================================================
552 This is the initial version of "Das U-Boot", the Universal Boot Loader.
554 It is based on version 2.0.0 (the "Halloween Release") of PPCBoot.
555 For information about the history of the project please see the
556 PPCBoot project page at http://sourceforge.net/projects/ppcboot
558 ======================================================================