1 ======================================================================
2 Changes since U-Boot 0.3.1:
3 ======================================================================
5 * Fix data abort exception handling for arm920t CPU
7 * Fix alignment problems with flash driver for TRAB board
9 * Patch by Donald White, 21 May 2003:
10 fix calculation of base address in pci_hose_config_device()
12 * Fix bug in command line parsing: "cmd1;cmd2" is supposed to always
13 execute "cmd2", even if "cmd1" fails. Note that this is different
14 to "run var1 var2" where the contents of "var2" will NOT be
15 executed when a command in "var1" fails.
17 * Add zero-copy ramdisk support (requires corresponding kernel support!)
19 * Patch by Kyle Harris, 20 May 2003:
20 In preparation for an ixp port, rename cpu/xscale and arch-xscale
21 into cpu/pxa and arch-pxa.
23 * Patch by Stefan Roese, 23 May 2003:
24 - IBM PPC405EP port added.
25 - CONFIG_UART1_CONSOLE added. If defined internal UART1 (and not
26 UART0) is used as default U-Boot console. PPC4xx only!
27 - esd ASH405 board added (PPC405EP based).
28 - BUBINGA405EP board added (PPC405EP based - IBM Eval Board).
29 - esd CPCI405AB board added.
30 - esd PMC405 board added.
31 - Update of some esd boards.
33 * Patch by Denis Peter, 19 Mai 2003:
34 add support for the MIP405-3 board
36 * Patch by Dave Ellis, 22 May 2003:
37 Fix problem with only partially cleared .bss segment
39 * Patch by Rune Torgersen, 12 May 2003:
40 get PCI to work on a MPC8266ADS board; incorporate change to
41 cpu/mpc8260/pci.c to enable overrides of PCI memory parameters
43 * Patch by Nye Liu, 1 May 2003:
44 minor patches for the FADS8xx
46 * Patch by Thomas Schäfer, 28 Apr 2003:
47 Fix SPD handling for 256 ECC DIMM on Walnut
49 * Add support for arbitrary bitmaps for TRAB's VFD command;
50 allow to pass boot bitmap addresses in environment variables;
51 allow for zero boot delay
53 * Patch by Christian Geißinger, 19 May 2002:
54 On TRAB: wait until the dummy byte has been completely sent
56 * Patch by David Updegraff, 22 Apr 2003:
57 update for CrayL1 board
59 * Patch by Pantelis Antoniou, 21 Apr 2003:
60 add boot support for ARTOS (a proprietary OS)
62 * Patch by Steven Scholz, 11 Apr 2003:
63 Add support for RTC DS1338
65 * Patch by Rod Boyce, 24 Jan 2003:
66 Fix counting of extended partitions in diskboot command
68 * Patch by Christophe Lindheimer, 20 May 2003:
69 allow the use of CFG_LOADS when CFG_NO_FLASH is set
71 * Fix SDRAM timing on Purple board
73 * Add support for CompactFlash on ATC board
74 (includes support for Intel 82365 and compatible PC Card controllers,
75 and Yenta-compatible PCI-to-CardBus controllers)
77 * Patch by Mathijs Haarman, 08 May 2003:
78 Add lan91c96 driver (tested on Lubbock and custom PXA250 board only)
80 * Fix problem with usage of "true" (undefined in current versions of bfd.h)
82 * Add support for Promess ATC board
84 * Patch by Keith Outwater, 28 Apr 2003:
85 - Miscellaneous corrections and additions to GEN860T board specific code.
86 - Added GEN860_SC variant to GEN860T.
87 - Miscellaneous corrections to GEN860T documentation.
88 - Correct duplicate entry in U-Boot CREDITS file.
89 - Add GEN860T_SC entry in MAINTAINERS file.
90 - Update CREDITS file with GEN860T_SC info.
92 * Update Smiths Aerospace addresses in MAINTAINERS file
94 * Fix error handling in hush's version of "run" command
97 - Splashscreen support
100 - temperature dependend enabling of LCD
102 * Allow booting from old "PPCBoot" disk partitions
104 * Add support for TQM8255 Board / MPC8255 CPU
106 ======================================================================
107 Changes for U-Boot 0.3.1:
108 ======================================================================
110 * Make sure Block Lock Bits get cleared in R360MPI flash driver
112 * MPC823 LCD driver: Fill color map backwards, to allow for steady
113 display when Linux takes over
115 * Patch by Erwin Rol, 27 Feb 2003:
116 Add support for RTEMS (this time for real).
118 * Add support for "bmp info" and "bmp display" commands to load
119 bitmap images; this can be used (for example in a "preboot"
120 command) to display a splash screen very quickly after poweron.
122 * Add support for 133 MHz clock on INCA-IP board
124 * Patch by Lutz Dennig, 10 Apr 2003:
125 Update for R360MPI board
127 * Add new meaning to "autostart" environment variable:
128 If set to "no", a standalone image passed to the
129 "bootm" command will be copied to the load address
130 (and eventually uncompressed), but NOT be started.
131 This can be used to load and uncompress arbitrary
134 * Patch by Stefan Roese, 10 Apr 2003:
135 Changed DHCP client to use IP address from server option field #54
136 from the OFFER packet in the server option field #54 in the REQUEST
137 packet. This fixes a problem using a Windows 2000 DHCP server,
138 where the DHCP-server is not the TFTP-server.
140 * Set max brightness for MN11236 displays on TRAB board
142 * Add support for TQM862L modules
144 ======================================================================
145 Changes for U-Boot 0.3.0:
146 ======================================================================
148 * Patch by Arun Dharankar, 4 Apr 2003:
149 Add IDMA example code (tested on 8260 only)
151 * Add support for Purple Board (MIPS64 5Kc)
153 * Add support for MIPS64 5Kc CPUs
155 * Fix missing setting of "loadaddr" and "bootfile" on ARM and MIPS
157 * Patch by Denis Peter, 04 Apr 2003:
158 - update MIP405-4 board
160 * Patch by Stefan Roese, 4 Apr 2003:
161 - U-Boot version environment variable "ver" added
162 (CONFIG_VERSION_VARIABLE).
163 - Changed PPC405GPr version from A to B.
164 - Changed CPCI405 to use CTS instead of DSR on PPC405 UART1.
166 * Patches by Denis Peter, 03 April 2003:
167 - fix PCI IRQs on MPL boards
168 - fix two more un-relocated pointer problems
170 * Fix behaviour of "run" command:
171 - print error message iv variable does not exist
172 - terminate processing of arguments in case of error
174 * Patches by Peter Figuli, 10 Mar 2003
175 - Add support for BTUART on PXA platform
176 - Add support for WEP EP250 (PXA) board
178 * Fix flash problems on INCA-IP; add tool to allow bruning images to
179 flash using a BDI2000
181 * Implement fix for I2C Edge Conditions problem for all boards that
182 use the bit-banging driver (common/soft_i2c.c)
184 * Patch by Martin Winistoerfer, 23 Mar 2003
185 - Add port to MPC555/556 microcontrollers
186 - Add support for cmi customer board with
187 Intel 28F128J3A, 28F320J3A or 28F640J3A flash.
189 * Patch by Rick Bronson, 28 Mar 2003:
190 - fix common/cmd_nand.c
192 * Patch by Arun Dharankar, 24 Mar 2003:
193 - add threads / scheduler example code
195 * Add patches by Robert Schwebel, 31 Mar 2003:
196 - add ctrl-c support for kermit download
197 - align bdinfo output on ARM
198 - csb226 board: bring in sync with innokom/memsetup.S
199 - csb226 board: fix MDREFR handling
200 - misc doc fixes / extensions
201 - innokom board: cleanup, MDREFR fix in memsetup.S, config update
202 - add BOOT_PROGRESS to armlinux.c
204 * Add CPU ID, version, and clock speed for INCA-IP
206 * Patches by Dave Ellis, 18 Mar 2003 for SXNI855T board:
207 - fix SRAM and SDRAM memory sizing
208 - add status LED support
209 - add MAC address for second (SCC1) ethernet port
211 * Update default environment for TQM8260 board
213 * Patch by Rick Bronson, 16 Mar 2003:
214 - Add NAND flash support for reading, writing, and erasing NAND
215 flash (certain forms of which are called SmartMedia).
216 - Add support for Atmel AT91RM9200DK ARM920T based development kit.
218 * Patches by Robert Schwebel, 19 Mar 2003:
219 - use arm-linux-gcc as default compiler for ARM
221 - fix missing baudrate setting
222 - added $loadaddr / CFG_LOAD_ADDR support to loadb
223 - moved "ignoring trailing characters" _before_ u-boot wants to
224 print out diagnostics messages; removes bogus characters at the
227 * Patch by John Zhan, 18 Mar 2003:
228 Add support for SinoVee Microsystems SC8xx boards
230 * Patch by Rolf Offermanns, 21 Mar 2003:
231 ported the dnp1110 related changes from the current armboot cvs to
232 current u-boot cvs. smc91111 does not work. problem marked in
233 smc91111.c, grep for "FIXME".
235 * Patch by Brian Auld, 25 Mar 2003:
236 Add support for STM flash chips on ebony board
238 * Add PCI support for MPC8250 Boards (PM825 module)
240 * Patch by Stefan Roese, 25 Mar 2003:
243 * Patch by Stefan Roese, 20 Mar 2003:
244 - CPCI4052 update (support for revision 3).
245 - Set edge conditioning circuitry on PPC405GPr for compatibility
246 to existing PPC405GP designs.
247 - Clip udiv to 5 bits on PPC405 (serial.c).
249 * Extend INCAIP board support:
250 - add automatic RAM size detection
251 - add "bdinfo" command
252 - pass flash address and size to Linux kernel
253 - switch to 150 MHz clock
255 * Avoid flicker on the TRAB's VFD by synchronizing the enable with
256 the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
257 boards, version 153 for Rev. 200 boards).
259 * Patch by Vladimir Gurevich, 12 Mar 2003:
260 Fix relocation problem of statically initialized string pointers
263 * Patch by Kai-Uwe Blöm, 12 Mar 2003:
264 Cleanup & bug fixes for JFFS2 code:
265 - the memory mangement was broken. It caused havoc on malloc by
266 writing beyond the block boundaries.
267 - the length calculation for files was wrong, sometimes resulting
269 - data copying now optionally takes fragment version numbers into
270 account, to avoid copying from older data.
271 See doc/README.JFFS2 for details.
273 * Patch by Josef Wagner, 12 Mar 2003:
274 - 16/32 MB and 50/80 MHz support with auto-detection for IP860
275 - ETH05 and BEDBUG support for CU824
276 - added support for MicroSys CPC45
277 - new BOOTROM/FLASH0 and DOC base for PM826
279 * Patch by Robert Schwebel, 12 Mar 2003:
280 Fix the chpart command on innokom board
283 mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
284 s/PPCBoot/U-Boot/ in some files
285 s/pImage/uImage/ in some files
287 * Patch by Detlev Zundel, 15 Jan 2003:
288 Fix '' command line quoting
290 * Patch by The LEOX team, 19 Jan 2003:
291 - add support for the ELPT860 board
292 - add support for Dallas ds164x RTC
294 * Patches by David Müller, 31 Jan 2003:
295 - minimal setup for CardBus bridges
296 - add EEPROM read/write support in the CS8900 driver
297 - add support for the builtin I2C controller in the Samsung s3c24x0 chips
298 - add support for MPL's VCMA9 (Samsung s3c2410 based) board
300 * Patch by Steven Scholz, 04 Feb 2003:
301 add support for RTC DS1307
303 * Patch by Reinhard Meyer, 5 Feb 2003:
304 fix PLPRCR/SCCR init sequence on 8xx to allow for
305 changes of EBDF by software
307 * Patch by Vladimir Gurevich, 07 Feb 2003:
308 "API-compatibility patch" for 4xx I2C driver
310 * TRAB fixes / extensions:
311 - Restore VFD brightness as saved in environment
312 - add support for FGujitsu flashes
313 - make sure both buzzers are turned off (drive low level)
315 * Patches by Robert Schwebel, 06 Mar 2003:
316 - fix bug in BOOTP code (must use NetCopyIP)
317 - update of CSB226 port
318 - clear BSS segment on XScale
319 - added support for i2c_init_board() function
320 - update to the Innokom plattform
322 * Extend support for redundand environments for configurations where
323 environment size < sector size
325 * Patch by Rune Torgersen, 13 Feb 2003:
326 Add support for Motorola MPC8266ADS board
328 * Patch by Kyle Harris, 19 Feb 2003:
329 patches for the Intel lubbock board:
330 memsetup.S - general cleanup (based on Robert's csb226 code)
331 flash.c - overhaul, actually works now
332 lubbock.c - fix init funcs to return proper value
334 * Patch by Kenneth Johansson, 26 Feb 2003:
335 - Fixed off by one in RFTA calculation.
336 - No need to abort when LDF is lower than we can program it's only
337 minimum timing so clamp it to what we can do.
338 - Takes function pointer to function for reading the spd_nvram. Usefull
339 for faking data or hardcode a module without the nvram.
340 - fix other user for above change
343 * Patches by Brian Waite, 26 Feb 2003:
344 - fix port for evb64260 board
345 - fix PCI for evb64260 board
348 * Patch by Reinhard Meyer, 1 Mar 2003:
349 Add support for EMK TOP860 Module
351 * Patch by Yuli Barcohen, 02 Mar 2003:
352 Add SPD EEPROM support for MPC8260ADS board
354 * Patch by Robert Schwebel, 21 Jan 2003:
355 - Add support for Innokom board
356 - Don't complain if "install" fails
357 - README cleanup (remove duplicated lines)
358 - Update PXA header files
360 * Add documentation for existing POST code (doc/README.POST)
362 * Patch by Laudney Ren, 15 Jan 2003:
363 Fix handling of redundand environment in "tools/envcrc.c"
365 * Patch by Detlev Zundel, 28 Feb 2003:
366 Add bedbug support for 824x systems
368 * Add support for 16 MB flash configuration of TRAB board
370 * Patch by Erwin Rol, 27 Feb 2003:
371 Add support for RTEMS
373 * Add image information to README
375 * Patch by Stefan Roese, 18 Feb 2003:
376 CPCIISER4 configuration updated.
378 * Patch by Stefan Roese, 17 Feb 2003:
379 Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
381 * Patch by Stefan Roese, 13 Feb 2003:
382 Add "pcidelay" environment variable (in ms, enabled via
383 CONFIG_PCI_BOOTDELAY).
384 PCI spec 2.2 defines, that a pci target has 2^25 pci clocks after
385 RST# to respond to configuration cycles (33MHz -> 1s).
387 * Fix dual PCMCIA slot support (when running with just one
390 * Add VFD type detection to trab board
392 * extend drivers/cs8900.c driver to synchronize ethaddr environment
393 variable with value in the EEPROM
395 * Patch by Stefan Roese, 10 Feb 2003:
396 Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
398 * Add support for MIPS32 4Kc CPUs
400 * Add support for INCA-IP Board
402 ======================================================================
403 Changes for U-Boot 0.2.2:
404 ======================================================================
406 * Add dual ethernet support on PM826
408 * Add support for LXT971 PHY on PM826
410 * Patch by Tord Andersson, 16 Jan 2003:
411 Fix flash sector count for TQM8xxL
413 * Fix I2C EEPROM problem on ICU862 board (would only write the first
414 16 bytes out of each 32 byte block)
416 ======================================================================
417 Changes for U-Boot 0.2.1:
418 ======================================================================
420 * Add support for V37 board
421 (patch by Jón Benediktsson, 11 Dec 2002)
423 * Update baudrate in bd_info when it gets changed
425 * Add watchdog trigger points while waiting for serial port
426 (so far only 8xx -- needed on LWMON with 100ms watchdog)
428 * Improve command line tool to access the U-Boot's environment
429 (figuration of the utility, using a config file)
431 * Add single quote support for (old) command line parser
433 * Switch LWMON board default config from FRAM to EEPROM;
434 in POST, EEPROM shows up on 8 addresses
436 ======================================================================
437 Changes for U-Boot 0.2.0:
438 ======================================================================
440 * Use 1-byte-read instead of -write for iprobe() function
441 Add i2c commands to PM826 config
443 * extend I2C POST code: check for list on known addresses
445 * Improve log buffer code; use "loglevel" to decide which messages
446 to log on the console, too (like in Linux); get rid of "logstart"
448 * Add command line tool to access the U-Boot's environment
449 (board-specific for TRAB now, to be fixed later)
451 * Patch by Hans-Joerg Frieden, 06 Dec 2002
452 Fix misc problems with AmigaOne support
454 * Patch by Chris Hallinan, 3 Dec 2002:
455 minor cleanup to the MPC8245 EPIC driver
457 * Patch by Pierre Aubert , 28 Nov 2002
458 Add support for external (SIU) interrupts on MPC8xx
460 * Patch by Pierre Aubert , 28 Nov 2002
461 Fix nested syscalls bug in standalone applications
463 * Patch by David Müller, 27 Nov 2002:
464 fix output of "pciinfo" command for CardBus bridge devices.
466 * Fix bug in TQM8260 board detection - boards got stuck when board ID
469 * Add LED indication for IDE activity on KUP4K board
471 * Fix startup problems with VFD display on TRAB
473 * Patch by Pierre Aubert, 20 Nov 2002
474 Add driver for Epson SED13806 graphic controller.
475 Add support for BMP logos in cfb_console driver.
477 * Added support for both PCMCIA slots (at the same time!) on MPC8xx
479 * Patch by Rod Boyce, 21 Nov 2002:
480 fix PCMCIA on MBX8xx board
482 * Patch by Pierre Aubert , 21 Nov 2002
483 Add CFG_CPM_POST_WORD_ADDR to make the offset of the
484 bootmode word in DPRAM configurable
486 * Patch by Daniel Engström, 18 Nov 2002:
487 Fixes for x86 port (mostly strings issues)
489 * Patch by Ken Chou, 18 Nov 2002:
490 Fix for natsemi NIC cards (DP83815)
492 * Patch by Pierre Aubert, 19 Nov 2002:
493 fix a bug for the MII configuration, and some warnings
495 * Patch by Thomas Frieden, 13 Nov 2002:
496 Add code for AmigaOne board
497 (preliminary merge to U-Boot, still WIP)
499 * Patch by Jon Diekema, 12 Nov 2002:
500 - Adding URL for IEEE OUI lookup
501 - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
503 - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
504 root-on-nfs macros are designed to switch how the default boot
507 * Patch by Daniel Engström, 13 Nov 2002:
508 Add support for i386 architecture and AMD SC520 board
510 * Patch by Pierre Aubert, 12 Nov 2002:
511 Add support for DOS filesystem and booting from DOS floppy disk
513 * Patch by Jim Sandoz, 07 Nov 2002:
514 Increase number of network RX buffers (PKTBUFSRX in
515 "include/net.h") for EEPRO100 based boards (especially SP8240)
516 which showed "Receiver is not ready" errors when U-Boot was
517 processing the receive buffers slower than the network controller
520 * Patch by Andreas Oberritter, 09 Nov 2002:
521 Change behaviour of NetLoop(): return -1 for errors, filesize
522 otherwise; return code 0 is valid an means no file loaded - in this
523 case the environment still gets updated!
525 * Patches by Jon Diekema, 9 Nov 2002:
526 - improve ADC/DAC clocking on the SACSng board to align
527 the failing edges of LRCLK and SCLK
528 - sbc8260 configuration tweaks
529 - add status LED support for 82xx systems
530 - wire sspi/sspo commands into command handler; improved error
532 - add timestamp support and alternate memory test to the
535 * Patch by Vince Husovsky, 7 Nov 2002:
536 Add "-n" to linker options to get rid of "Not enough room for
537 program headers" problem
539 * Patch by David Müller, 05 Nov 2002
540 Rename CONFIG_PLL_INPUT_FREQ to CONFIG_SYS_CLK_FREQ
541 so we can use an already existing name
543 * Patch by Pierre Aubert, 05 Nov 2002
544 Hardware relatied improvments in FDC boot code
546 * Patch by Holger Schurig, 5 Nov 2002:
547 Make the PXA really change it's frequency
549 * Patch by Pierre Aubert, 05 Nov 2002
550 Add support for slave serial Spartan 2 FPGAs
552 * Fix uninitialized memory (MAC address) in 8xx SCC/FEC ethernet
555 * Add support for log buffer which can be passed to Linux kernel's
556 syslog mechanism; used especially for POST results.
558 * Patch by Klaus Heydeck, 31 Oct 2002:
559 Add initial support for kup4k board
561 * Patch by Robert Schwebel, 04 Nov 2002:
562 - use watchdog to reset PXA250 systems
563 - added progress callbacks to (some of the) ARM code
564 - update for Cogent CSB226 board
566 * Add support for FPS860 board
568 * Patch by Guillaume Alexandre,, 04 Nov 2002:
569 Improve PCI access on 32-bits Compact PCI bus
571 * Fix mdelay() on TRAB - this was still the debugging version with
572 seconds instead of ms.
574 * Patch by Robert Schwebel, 1 Nov 2002:
575 XScale related cleanup (affects all ARM boards)
577 * Cleanup of names and README.
579 ======================================================================
580 Notes for U-Boot 0.1.0:
581 ======================================================================
583 This is the initial version of "Das U-Boot", the Universal Boot Loader.
585 It is based on version 2.0.0 (the "Halloween Release") of PPCBoot.
586 For information about the history of the project please see the
587 PPCBoot project page at http://sourceforge.net/projects/ppcboot
589 ======================================================================