1 ======================================================================
2 Changes since U-Boot 0.3.1:
3 ======================================================================
5 * Add support for arbitrary bitmaps for TRAB's VFD command;
6 allow to pass boot bitmap addresses in environment variables;
7 allow for zero boot delay
9 * Patch by Christian Geißinger, 19 May 2002:
10 On TRAB: wait until the dummy byte has been completely sent
12 * Patch by David Updegraff, 22 Apr 2003:
13 update for CrayL1 board
15 * Patch by Pantelis Antoniou, 21 Apr 2003:
16 add boot support for ARTOS (a proprietary OS)
18 * Patch by Steven Scholz, 11 Apr 2003:
19 Add support for RTC DS1338
21 * Patch by Rod Boyce, 24 Jan 2003:
22 Fix counting of extended partitions in diskboot command
24 * Patch by Christophe Lindheimer, 20 May 2003:
25 allow the use of CFG_LOADS when CFG_NO_FLASH is set
27 * Fix SDRAM timing on Purple board
29 * Add support for CompactFlash on ATC board
30 (includes support for Intel 82365 and compatible PC Card controllers,
31 and Yenta-compatible PCI-to-CardBus controllers)
33 * Patch by Mathijs Haarman, 08 May 2003:
34 Add lan91c96 driver (tested on Lubbock and custom PXA250 board only)
36 * Fix problem with usage of "true" (undefined in current versions of bfd.h)
38 * Add support for Promess ATC board
40 * Patch by Keith Outwater, 28 Apr 2003:
41 - Miscellaneous corrections and additions to GEN860T board specific code.
42 - Added GEN860_SC variant to GEN860T.
43 - Miscellaneous corrections to GEN860T documentation.
44 - Correct duplicate entry in U-Boot CREDITS file.
45 - Add GEN860T_SC entry in MAINTAINERS file.
46 - Update CREDITS file with GEN860T_SC info.
48 * Update Smiths Aerospace addresses in MAINTAINERS file
50 * Fix error handling in hush's version of "run" command
53 - Splashscreen support
56 - temperature dependend enabling of LCD
58 * Allow booting from old "PPCBoot" disk partitions
60 * Add support for TQM8255 Board / MPC8255 CPU
62 ======================================================================
63 Changes for U-Boot 0.3.1:
64 ======================================================================
66 * Make sure Block Lock Bits get cleared in R360MPI flash driver
68 * MPC823 LCD driver: Fill color map backwards, to allow for steady
69 display when Linux takes over
71 * Patch by Erwin Rol, 27 Feb 2003:
72 Add support for RTEMS (this time for real).
74 * Add support for "bmp info" and "bmp display" commands to load
75 bitmap images; this can be used (for example in a "preboot"
76 command) to display a splash screen very quickly after poweron.
78 * Add support for 133 MHz clock on INCA-IP board
80 * Patch by Lutz Dennig, 10 Apr 2003:
81 Update for R360MPI board
83 * Add new meaning to "autostart" environment variable:
84 If set to "no", a standalone image passed to the
85 "bootm" command will be copied to the load address
86 (and eventually uncompressed), but NOT be started.
87 This can be used to load and uncompress arbitrary
90 * Patch by Stefan Roese, 10 Apr 2003:
91 Changed DHCP client to use IP address from server option field #54
92 from the OFFER packet in the server option field #54 in the REQUEST
93 packet. This fixes a problem using a Windows 2000 DHCP server,
94 where the DHCP-server is not the TFTP-server.
96 * Set max brightness for MN11236 displays on TRAB board
98 * Add support for TQM862L modules
100 ======================================================================
101 Changes for U-Boot 0.3.0:
102 ======================================================================
104 * Patch by Arun Dharankar, 4 Apr 2003:
105 Add IDMA example code (tested on 8260 only)
107 * Add support for Purple Board (MIPS64 5Kc)
109 * Add support for MIPS64 5Kc CPUs
111 * Fix missing setting of "loadaddr" and "bootfile" on ARM and MIPS
113 * Patch by Denis Peter, 04 Apr 2003:
114 - update MIP405-4 board
116 * Patch by Stefan Roese, 4 Apr 2003:
117 - U-Boot version environment variable "ver" added
118 (CONFIG_VERSION_VARIABLE).
119 - Changed PPC405GPr version from A to B.
120 - Changed CPCI405 to use CTS instead of DSR on PPC405 UART1.
122 * Patches by Denis Peter, 03 April 2003:
123 - fix PCI IRQs on MPL boards
124 - fix two more un-relocated pointer problems
126 * Fix behaviour of "run" command:
127 - print error message iv variable does not exist
128 - terminate processing of arguments in case of error
130 * Patches by Peter Figuli, 10 Mar 2003
131 - Add support for BTUART on PXA platform
132 - Add support for WEP EP250 (PXA) board
134 * Fix flash problems on INCA-IP; add tool to allow bruning images to
135 flash using a BDI2000
137 * Implement fix for I2C Edge Conditions problem for all boards that
138 use the bit-banging driver (common/soft_i2c.c)
140 * Patch by Martin Winistoerfer, 23 Mar 2003
141 - Add port to MPC555/556 microcontrollers
142 - Add support for cmi customer board with
143 Intel 28F128J3A, 28F320J3A or 28F640J3A flash.
145 * Patch by Rick Bronson, 28 Mar 2003:
146 - fix common/cmd_nand.c
148 * Patch by Arun Dharankar, 24 Mar 2003:
149 - add threads / scheduler example code
151 * Add patches by Robert Schwebel, 31 Mar 2003:
152 - add ctrl-c support for kermit download
153 - align bdinfo output on ARM
154 - csb226 board: bring in sync with innokom/memsetup.S
155 - csb226 board: fix MDREFR handling
156 - misc doc fixes / extensions
157 - innokom board: cleanup, MDREFR fix in memsetup.S, config update
158 - add BOOT_PROGRESS to armlinux.c
160 * Add CPU ID, version, and clock speed for INCA-IP
162 * Patches by Dave Ellis, 18 Mar 2003 for SXNI855T board:
163 - fix SRAM and SDRAM memory sizing
164 - add status LED support
165 - add MAC address for second (SCC1) ethernet port
167 * Update default environment for TQM8260 board
169 * Patch by Rick Bronson, 16 Mar 2003:
170 - Add NAND flash support for reading, writing, and erasing NAND
171 flash (certain forms of which are called SmartMedia).
172 - Add support for Atmel AT91RM9200DK ARM920T based development kit.
174 * Patches by Robert Schwebel, 19 Mar 2003:
175 - use arm-linux-gcc as default compiler for ARM
177 - fix missing baudrate setting
178 - added $loadaddr / CFG_LOAD_ADDR support to loadb
179 - moved "ignoring trailing characters" _before_ u-boot wants to
180 print out diagnostics messages; removes bogus characters at the
183 * Patch by John Zhan, 18 Mar 2003:
184 Add support for SinoVee Microsystems SC8xx boards
186 * Patch by Rolf Offermanns, 21 Mar 2003:
187 ported the dnp1110 related changes from the current armboot cvs to
188 current u-boot cvs. smc91111 does not work. problem marked in
189 smc91111.c, grep for "FIXME".
191 * Patch by Brian Auld, 25 Mar 2003:
192 Add support for STM flash chips on ebony board
194 * Add PCI support for MPC8250 Boards (PM825 module)
196 * Patch by Stefan Roese, 25 Mar 2003:
199 * Patch by Stefan Roese, 20 Mar 2003:
200 - CPCI4052 update (support for revision 3).
201 - Set edge conditioning circuitry on PPC405GPr for compatibility
202 to existing PPC405GP designs.
203 - Clip udiv to 5 bits on PPC405 (serial.c).
205 * Extend INCAIP board support:
206 - add automatic RAM size detection
207 - add "bdinfo" command
208 - pass flash address and size to Linux kernel
209 - switch to 150 MHz clock
211 * Avoid flicker on the TRAB's VFD by synchronizing the enable with
212 the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
213 boards, version 153 for Rev. 200 boards).
215 * Patch by Vladimir Gurevich, 12 Mar 2003:
216 Fix relocation problem of statically initialized string pointers
219 * Patch by Kai-Uwe Blöm, 12 Mar 2003:
220 Cleanup & bug fixes for JFFS2 code:
221 - the memory mangement was broken. It caused havoc on malloc by
222 writing beyond the block boundaries.
223 - the length calculation for files was wrong, sometimes resulting
225 - data copying now optionally takes fragment version numbers into
226 account, to avoid copying from older data.
227 See doc/README.JFFS2 for details.
229 * Patch by Josef Wagner, 12 Mar 2003:
230 - 16/32 MB and 50/80 MHz support with auto-detection for IP860
231 - ETH05 and BEDBUG support for CU824
232 - added support for MicroSys CPC45
233 - new BOOTROM/FLASH0 and DOC base for PM826
235 * Patch by Robert Schwebel, 12 Mar 2003:
236 Fix the chpart command on innokom board
239 mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
240 s/PPCBoot/U-Boot/ in some files
241 s/pImage/uImage/ in some files
243 * Patch by Detlev Zundel, 15 Jan 2003:
244 Fix '' command line quoting
246 * Patch by The LEOX team, 19 Jan 2003:
247 - add support for the ELPT860 board
248 - add support for Dallas ds164x RTC
250 * Patches by David Müller, 31 Jan 2003:
251 - minimal setup for CardBus bridges
252 - add EEPROM read/write support in the CS8900 driver
253 - add support for the builtin I2C controller in the Samsung s3c24x0 chips
254 - add support for MPL's VCMA9 (Samsung s3c2410 based) board
256 * Patch by Steven Scholz, 04 Feb 2003:
257 add support for RTC DS1307
259 * Patch by Reinhard Meyer, 5 Feb 2003:
260 fix PLPRCR/SCCR init sequence on 8xx to allow for
261 changes of EBDF by software
263 * Patch by Vladimir Gurevich, 07 Feb 2003:
264 "API-compatibility patch" for 4xx I2C driver
266 * TRAB fixes / extensions:
267 - Restore VFD brightness as saved in environment
268 - add support for FGujitsu flashes
269 - make sure both buzzers are turned off (drive low level)
271 * Patches by Robert Schwebel, 06 Mar 2003:
272 - fix bug in BOOTP code (must use NetCopyIP)
273 - update of CSB226 port
274 - clear BSS segment on XScale
275 - added support for i2c_init_board() function
276 - update to the Innokom plattform
278 * Extend support for redundand environments for configurations where
279 environment size < sector size
281 * Patch by Rune Torgersen, 13 Feb 2003:
282 Add support for Motorola MPC8266ADS board
284 * Patch by Kyle Harris, 19 Feb 2003:
285 patches for the Intel lubbock board:
286 memsetup.S - general cleanup (based on Robert's csb226 code)
287 flash.c - overhaul, actually works now
288 lubbock.c - fix init funcs to return proper value
290 * Patch by Kenneth Johansson, 26 Feb 2003:
291 - Fixed off by one in RFTA calculation.
292 - No need to abort when LDF is lower than we can program it's only
293 minimum timing so clamp it to what we can do.
294 - Takes function pointer to function for reading the spd_nvram. Usefull
295 for faking data or hardcode a module without the nvram.
296 - fix other user for above change
299 * Patches by Brian Waite, 26 Feb 2003:
300 - fix port for evb64260 board
301 - fix PCI for evb64260 board
304 * Patch by Reinhard Meyer, 1 Mar 2003:
305 Add support for EMK TOP860 Module
307 * Patch by Yuli Barcohen, 02 Mar 2003:
308 Add SPD EEPROM support for MPC8260ADS board
310 * Patch by Robert Schwebel, 21 Jan 2003:
311 - Add support for Innokom board
312 - Don't complain if "install" fails
313 - README cleanup (remove duplicated lines)
314 - Update PXA header files
316 * Add documentation for existing POST code (doc/README.POST)
318 * Patch by Laudney Ren, 15 Jan 2003:
319 Fix handling of redundand environment in "tools/envcrc.c"
321 * Patch by Detlev Zundel, 28 Feb 2003:
322 Add bedbug support for 824x systems
324 * Add support for 16 MB flash configuration of TRAB board
326 * Patch by Erwin Rol, 27 Feb 2003:
327 Add support for RTEMS
329 * Add image information to README
331 * Patch by Stefan Roese, 18 Feb 2003:
332 CPCIISER4 configuration updated.
334 * Patch by Stefan Roese, 17 Feb 2003:
335 Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
337 * Patch by Stefan Roese, 13 Feb 2003:
338 Add "pcidelay" environment variable (in ms, enabled via
339 CONFIG_PCI_BOOTDELAY).
340 PCI spec 2.2 defines, that a pci target has 2^25 pci clocks after
341 RST# to respond to configuration cycles (33MHz -> 1s).
343 * Fix dual PCMCIA slot support (when running with just one
346 * Add VFD type detection to trab board
348 * extend drivers/cs8900.c driver to synchronize ethaddr environment
349 variable with value in the EEPROM
351 * Patch by Stefan Roese, 10 Feb 2003:
352 Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
354 * Add support for MIPS32 4Kc CPUs
356 * Add support for INCA-IP Board
358 ======================================================================
359 Changes for U-Boot 0.2.2:
360 ======================================================================
362 * Add dual ethernet support on PM826
364 * Add support for LXT971 PHY on PM826
366 * Patch by Tord Andersson, 16 Jan 2003:
367 Fix flash sector count for TQM8xxL
369 * Fix I2C EEPROM problem on ICU862 board (would only write the first
370 16 bytes out of each 32 byte block)
372 ======================================================================
373 Changes for U-Boot 0.2.1:
374 ======================================================================
376 * Add support for V37 board
377 (patch by Jón Benediktsson, 11 Dec 2002)
379 * Update baudrate in bd_info when it gets changed
381 * Add watchdog trigger points while waiting for serial port
382 (so far only 8xx -- needed on LWMON with 100ms watchdog)
384 * Improve command line tool to access the U-Boot's environment
385 (figuration of the utility, using a config file)
387 * Add single quote support for (old) command line parser
389 * Switch LWMON board default config from FRAM to EEPROM;
390 in POST, EEPROM shows up on 8 addresses
392 ======================================================================
393 Changes for U-Boot 0.2.0:
394 ======================================================================
396 * Use 1-byte-read instead of -write for iprobe() function
397 Add i2c commands to PM826 config
399 * extend I2C POST code: check for list on known addresses
401 * Improve log buffer code; use "loglevel" to decide which messages
402 to log on the console, too (like in Linux); get rid of "logstart"
404 * Add command line tool to access the U-Boot's environment
405 (board-specific for TRAB now, to be fixed later)
407 * Patch by Hans-Joerg Frieden, 06 Dec 2002
408 Fix misc problems with AmigaOne support
410 * Patch by Chris Hallinan, 3 Dec 2002:
411 minor cleanup to the MPC8245 EPIC driver
413 * Patch by Pierre Aubert , 28 Nov 2002
414 Add support for external (SIU) interrupts on MPC8xx
416 * Patch by Pierre Aubert , 28 Nov 2002
417 Fix nested syscalls bug in standalone applications
419 * Patch by David Müller, 27 Nov 2002:
420 fix output of "pciinfo" command for CardBus bridge devices.
422 * Fix bug in TQM8260 board detection - boards got stuck when board ID
425 * Add LED indication for IDE activity on KUP4K board
427 * Fix startup problems with VFD display on TRAB
429 * Patch by Pierre Aubert, 20 Nov 2002
430 Add driver for Epson SED13806 graphic controller.
431 Add support for BMP logos in cfb_console driver.
433 * Added support for both PCMCIA slots (at the same time!) on MPC8xx
435 * Patch by Rod Boyce, 21 Nov 2002:
436 fix PCMCIA on MBX8xx board
438 * Patch by Pierre Aubert , 21 Nov 2002
439 Add CFG_CPM_POST_WORD_ADDR to make the offset of the
440 bootmode word in DPRAM configurable
442 * Patch by Daniel Engström, 18 Nov 2002:
443 Fixes for x86 port (mostly strings issues)
445 * Patch by Ken Chou, 18 Nov 2002:
446 Fix for natsemi NIC cards (DP83815)
448 * Patch by Pierre Aubert, 19 Nov 2002:
449 fix a bug for the MII configuration, and some warnings
451 * Patch by Thomas Frieden, 13 Nov 2002:
452 Add code for AmigaOne board
453 (preliminary merge to U-Boot, still WIP)
455 * Patch by Jon Diekema, 12 Nov 2002:
456 - Adding URL for IEEE OUI lookup
457 - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
459 - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
460 root-on-nfs macros are designed to switch how the default boot
463 * Patch by Daniel Engström, 13 Nov 2002:
464 Add support for i386 architecture and AMD SC520 board
466 * Patch by Pierre Aubert, 12 Nov 2002:
467 Add support for DOS filesystem and booting from DOS floppy disk
469 * Patch by Jim Sandoz, 07 Nov 2002:
470 Increase number of network RX buffers (PKTBUFSRX in
471 "include/net.h") for EEPRO100 based boards (especially SP8240)
472 which showed "Receiver is not ready" errors when U-Boot was
473 processing the receive buffers slower than the network controller
476 * Patch by Andreas Oberritter, 09 Nov 2002:
477 Change behaviour of NetLoop(): return -1 for errors, filesize
478 otherwise; return code 0 is valid an means no file loaded - in this
479 case the environment still gets updated!
481 * Patches by Jon Diekema, 9 Nov 2002:
482 - improve ADC/DAC clocking on the SACSng board to align
483 the failing edges of LRCLK and SCLK
484 - sbc8260 configuration tweaks
485 - add status LED support for 82xx systems
486 - wire sspi/sspo commands into command handler; improved error
488 - add timestamp support and alternate memory test to the
491 * Patch by Vince Husovsky, 7 Nov 2002:
492 Add "-n" to linker options to get rid of "Not enough room for
493 program headers" problem
495 * Patch by David Müller, 05 Nov 2002
496 Rename CONFIG_PLL_INPUT_FREQ to CONFIG_SYS_CLK_FREQ
497 so we can use an already existing name
499 * Patch by Pierre Aubert, 05 Nov 2002
500 Hardware relatied improvments in FDC boot code
502 * Patch by Holger Schurig, 5 Nov 2002:
503 Make the PXA really change it's frequency
505 * Patch by Pierre Aubert, 05 Nov 2002
506 Add support for slave serial Spartan 2 FPGAs
508 * Fix uninitialized memory (MAC address) in 8xx SCC/FEC ethernet
511 * Add support for log buffer which can be passed to Linux kernel's
512 syslog mechanism; used especially for POST results.
514 * Patch by Klaus Heydeck, 31 Oct 2002:
515 Add initial support for kup4k board
517 * Patch by Robert Schwebel, 04 Nov 2002:
518 - use watchdog to reset PXA250 systems
519 - added progress callbacks to (some of the) ARM code
520 - update for Cogent CSB226 board
522 * Add support for FPS860 board
524 * Patch by Guillaume Alexandre,, 04 Nov 2002:
525 Improve PCI access on 32-bits Compact PCI bus
527 * Fix mdelay() on TRAB - this was still the debugging version with
528 seconds instead of ms.
530 * Patch by Robert Schwebel, 1 Nov 2002:
531 XScale related cleanup (affects all ARM boards)
533 * Cleanup of names and README.
535 ======================================================================
536 Notes for U-Boot 0.1.0:
537 ======================================================================
539 This is the initial version of "Das U-Boot", the Universal Boot Loader.
541 It is based on version 2.0.0 (the "Halloween Release") of PPCBoot.
542 For information about the history of the project please see the
543 PPCBoot project page at http://sourceforge.net/projects/ppcboot
545 ======================================================================