1 ======================================================================
2 Changes since U-Boot 0.3.1:
3 ======================================================================
5 * Add zero-copy ramdisk support (requires corresponding kernel support!)
7 * Patch by Kyle Harris, 20 May 2003:
8 In preparation for an ixp port, rename cpu/xscale and arch-xscale
9 into cpu/pxa and arch-pxa.
11 * Patch by Stefan Roese, 23 May 2003:
12 - IBM PPC405EP port added.
13 - CONFIG_UART1_CONSOLE added. If defined internal UART1 (and not
14 UART0) is used as default U-Boot console. PPC4xx only!
15 - esd ASH405 board added (PPC405EP based).
16 - BUBINGA405EP board added (PPC405EP based - IBM Eval Board).
17 - esd CPCI405AB board added.
18 - esd PMC405 board added.
19 - Update of some esd boards.
21 * Patch by Denis Peter, 19 Mai 2003:
22 add support for the MIP405-3 board
24 * Patch by Dave Ellis, 22 May 2003:
25 Fix problem with only partially cleared .bss segment
27 * Patch by Rune Torgersen, 12 May 2003:
28 get PCI to work on a MPC8266ADS board; incorporate change to
29 cpu/mpc8260/pci.c to enable overrides of PCI memory parameters
31 * Patch by Nye Liu, 1 May 2003:
32 minor patches for the FADS8xx
34 * Patch by Thomas Schäfer, 28 Apr 2003:
35 Fix SPD handling for 256 ECC DIMM on Walnut
37 * Add support for arbitrary bitmaps for TRAB's VFD command;
38 allow to pass boot bitmap addresses in environment variables;
39 allow for zero boot delay
41 * Patch by Christian Geißinger, 19 May 2002:
42 On TRAB: wait until the dummy byte has been completely sent
44 * Patch by David Updegraff, 22 Apr 2003:
45 update for CrayL1 board
47 * Patch by Pantelis Antoniou, 21 Apr 2003:
48 add boot support for ARTOS (a proprietary OS)
50 * Patch by Steven Scholz, 11 Apr 2003:
51 Add support for RTC DS1338
53 * Patch by Rod Boyce, 24 Jan 2003:
54 Fix counting of extended partitions in diskboot command
56 * Patch by Christophe Lindheimer, 20 May 2003:
57 allow the use of CFG_LOADS when CFG_NO_FLASH is set
59 * Fix SDRAM timing on Purple board
61 * Add support for CompactFlash on ATC board
62 (includes support for Intel 82365 and compatible PC Card controllers,
63 and Yenta-compatible PCI-to-CardBus controllers)
65 * Patch by Mathijs Haarman, 08 May 2003:
66 Add lan91c96 driver (tested on Lubbock and custom PXA250 board only)
68 * Fix problem with usage of "true" (undefined in current versions of bfd.h)
70 * Add support for Promess ATC board
72 * Patch by Keith Outwater, 28 Apr 2003:
73 - Miscellaneous corrections and additions to GEN860T board specific code.
74 - Added GEN860_SC variant to GEN860T.
75 - Miscellaneous corrections to GEN860T documentation.
76 - Correct duplicate entry in U-Boot CREDITS file.
77 - Add GEN860T_SC entry in MAINTAINERS file.
78 - Update CREDITS file with GEN860T_SC info.
80 * Update Smiths Aerospace addresses in MAINTAINERS file
82 * Fix error handling in hush's version of "run" command
85 - Splashscreen support
88 - temperature dependend enabling of LCD
90 * Allow booting from old "PPCBoot" disk partitions
92 * Add support for TQM8255 Board / MPC8255 CPU
94 ======================================================================
95 Changes for U-Boot 0.3.1:
96 ======================================================================
98 * Make sure Block Lock Bits get cleared in R360MPI flash driver
100 * MPC823 LCD driver: Fill color map backwards, to allow for steady
101 display when Linux takes over
103 * Patch by Erwin Rol, 27 Feb 2003:
104 Add support for RTEMS (this time for real).
106 * Add support for "bmp info" and "bmp display" commands to load
107 bitmap images; this can be used (for example in a "preboot"
108 command) to display a splash screen very quickly after poweron.
110 * Add support for 133 MHz clock on INCA-IP board
112 * Patch by Lutz Dennig, 10 Apr 2003:
113 Update for R360MPI board
115 * Add new meaning to "autostart" environment variable:
116 If set to "no", a standalone image passed to the
117 "bootm" command will be copied to the load address
118 (and eventually uncompressed), but NOT be started.
119 This can be used to load and uncompress arbitrary
122 * Patch by Stefan Roese, 10 Apr 2003:
123 Changed DHCP client to use IP address from server option field #54
124 from the OFFER packet in the server option field #54 in the REQUEST
125 packet. This fixes a problem using a Windows 2000 DHCP server,
126 where the DHCP-server is not the TFTP-server.
128 * Set max brightness for MN11236 displays on TRAB board
130 * Add support for TQM862L modules
132 ======================================================================
133 Changes for U-Boot 0.3.0:
134 ======================================================================
136 * Patch by Arun Dharankar, 4 Apr 2003:
137 Add IDMA example code (tested on 8260 only)
139 * Add support for Purple Board (MIPS64 5Kc)
141 * Add support for MIPS64 5Kc CPUs
143 * Fix missing setting of "loadaddr" and "bootfile" on ARM and MIPS
145 * Patch by Denis Peter, 04 Apr 2003:
146 - update MIP405-4 board
148 * Patch by Stefan Roese, 4 Apr 2003:
149 - U-Boot version environment variable "ver" added
150 (CONFIG_VERSION_VARIABLE).
151 - Changed PPC405GPr version from A to B.
152 - Changed CPCI405 to use CTS instead of DSR on PPC405 UART1.
154 * Patches by Denis Peter, 03 April 2003:
155 - fix PCI IRQs on MPL boards
156 - fix two more un-relocated pointer problems
158 * Fix behaviour of "run" command:
159 - print error message iv variable does not exist
160 - terminate processing of arguments in case of error
162 * Patches by Peter Figuli, 10 Mar 2003
163 - Add support for BTUART on PXA platform
164 - Add support for WEP EP250 (PXA) board
166 * Fix flash problems on INCA-IP; add tool to allow bruning images to
167 flash using a BDI2000
169 * Implement fix for I2C Edge Conditions problem for all boards that
170 use the bit-banging driver (common/soft_i2c.c)
172 * Patch by Martin Winistoerfer, 23 Mar 2003
173 - Add port to MPC555/556 microcontrollers
174 - Add support for cmi customer board with
175 Intel 28F128J3A, 28F320J3A or 28F640J3A flash.
177 * Patch by Rick Bronson, 28 Mar 2003:
178 - fix common/cmd_nand.c
180 * Patch by Arun Dharankar, 24 Mar 2003:
181 - add threads / scheduler example code
183 * Add patches by Robert Schwebel, 31 Mar 2003:
184 - add ctrl-c support for kermit download
185 - align bdinfo output on ARM
186 - csb226 board: bring in sync with innokom/memsetup.S
187 - csb226 board: fix MDREFR handling
188 - misc doc fixes / extensions
189 - innokom board: cleanup, MDREFR fix in memsetup.S, config update
190 - add BOOT_PROGRESS to armlinux.c
192 * Add CPU ID, version, and clock speed for INCA-IP
194 * Patches by Dave Ellis, 18 Mar 2003 for SXNI855T board:
195 - fix SRAM and SDRAM memory sizing
196 - add status LED support
197 - add MAC address for second (SCC1) ethernet port
199 * Update default environment for TQM8260 board
201 * Patch by Rick Bronson, 16 Mar 2003:
202 - Add NAND flash support for reading, writing, and erasing NAND
203 flash (certain forms of which are called SmartMedia).
204 - Add support for Atmel AT91RM9200DK ARM920T based development kit.
206 * Patches by Robert Schwebel, 19 Mar 2003:
207 - use arm-linux-gcc as default compiler for ARM
209 - fix missing baudrate setting
210 - added $loadaddr / CFG_LOAD_ADDR support to loadb
211 - moved "ignoring trailing characters" _before_ u-boot wants to
212 print out diagnostics messages; removes bogus characters at the
215 * Patch by John Zhan, 18 Mar 2003:
216 Add support for SinoVee Microsystems SC8xx boards
218 * Patch by Rolf Offermanns, 21 Mar 2003:
219 ported the dnp1110 related changes from the current armboot cvs to
220 current u-boot cvs. smc91111 does not work. problem marked in
221 smc91111.c, grep for "FIXME".
223 * Patch by Brian Auld, 25 Mar 2003:
224 Add support for STM flash chips on ebony board
226 * Add PCI support for MPC8250 Boards (PM825 module)
228 * Patch by Stefan Roese, 25 Mar 2003:
231 * Patch by Stefan Roese, 20 Mar 2003:
232 - CPCI4052 update (support for revision 3).
233 - Set edge conditioning circuitry on PPC405GPr for compatibility
234 to existing PPC405GP designs.
235 - Clip udiv to 5 bits on PPC405 (serial.c).
237 * Extend INCAIP board support:
238 - add automatic RAM size detection
239 - add "bdinfo" command
240 - pass flash address and size to Linux kernel
241 - switch to 150 MHz clock
243 * Avoid flicker on the TRAB's VFD by synchronizing the enable with
244 the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
245 boards, version 153 for Rev. 200 boards).
247 * Patch by Vladimir Gurevich, 12 Mar 2003:
248 Fix relocation problem of statically initialized string pointers
251 * Patch by Kai-Uwe Blöm, 12 Mar 2003:
252 Cleanup & bug fixes for JFFS2 code:
253 - the memory mangement was broken. It caused havoc on malloc by
254 writing beyond the block boundaries.
255 - the length calculation for files was wrong, sometimes resulting
257 - data copying now optionally takes fragment version numbers into
258 account, to avoid copying from older data.
259 See doc/README.JFFS2 for details.
261 * Patch by Josef Wagner, 12 Mar 2003:
262 - 16/32 MB and 50/80 MHz support with auto-detection for IP860
263 - ETH05 and BEDBUG support for CU824
264 - added support for MicroSys CPC45
265 - new BOOTROM/FLASH0 and DOC base for PM826
267 * Patch by Robert Schwebel, 12 Mar 2003:
268 Fix the chpart command on innokom board
271 mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
272 s/PPCBoot/U-Boot/ in some files
273 s/pImage/uImage/ in some files
275 * Patch by Detlev Zundel, 15 Jan 2003:
276 Fix '' command line quoting
278 * Patch by The LEOX team, 19 Jan 2003:
279 - add support for the ELPT860 board
280 - add support for Dallas ds164x RTC
282 * Patches by David Müller, 31 Jan 2003:
283 - minimal setup for CardBus bridges
284 - add EEPROM read/write support in the CS8900 driver
285 - add support for the builtin I2C controller in the Samsung s3c24x0 chips
286 - add support for MPL's VCMA9 (Samsung s3c2410 based) board
288 * Patch by Steven Scholz, 04 Feb 2003:
289 add support for RTC DS1307
291 * Patch by Reinhard Meyer, 5 Feb 2003:
292 fix PLPRCR/SCCR init sequence on 8xx to allow for
293 changes of EBDF by software
295 * Patch by Vladimir Gurevich, 07 Feb 2003:
296 "API-compatibility patch" for 4xx I2C driver
298 * TRAB fixes / extensions:
299 - Restore VFD brightness as saved in environment
300 - add support for FGujitsu flashes
301 - make sure both buzzers are turned off (drive low level)
303 * Patches by Robert Schwebel, 06 Mar 2003:
304 - fix bug in BOOTP code (must use NetCopyIP)
305 - update of CSB226 port
306 - clear BSS segment on XScale
307 - added support for i2c_init_board() function
308 - update to the Innokom plattform
310 * Extend support for redundand environments for configurations where
311 environment size < sector size
313 * Patch by Rune Torgersen, 13 Feb 2003:
314 Add support for Motorola MPC8266ADS board
316 * Patch by Kyle Harris, 19 Feb 2003:
317 patches for the Intel lubbock board:
318 memsetup.S - general cleanup (based on Robert's csb226 code)
319 flash.c - overhaul, actually works now
320 lubbock.c - fix init funcs to return proper value
322 * Patch by Kenneth Johansson, 26 Feb 2003:
323 - Fixed off by one in RFTA calculation.
324 - No need to abort when LDF is lower than we can program it's only
325 minimum timing so clamp it to what we can do.
326 - Takes function pointer to function for reading the spd_nvram. Usefull
327 for faking data or hardcode a module without the nvram.
328 - fix other user for above change
331 * Patches by Brian Waite, 26 Feb 2003:
332 - fix port for evb64260 board
333 - fix PCI for evb64260 board
336 * Patch by Reinhard Meyer, 1 Mar 2003:
337 Add support for EMK TOP860 Module
339 * Patch by Yuli Barcohen, 02 Mar 2003:
340 Add SPD EEPROM support for MPC8260ADS board
342 * Patch by Robert Schwebel, 21 Jan 2003:
343 - Add support for Innokom board
344 - Don't complain if "install" fails
345 - README cleanup (remove duplicated lines)
346 - Update PXA header files
348 * Add documentation for existing POST code (doc/README.POST)
350 * Patch by Laudney Ren, 15 Jan 2003:
351 Fix handling of redundand environment in "tools/envcrc.c"
353 * Patch by Detlev Zundel, 28 Feb 2003:
354 Add bedbug support for 824x systems
356 * Add support for 16 MB flash configuration of TRAB board
358 * Patch by Erwin Rol, 27 Feb 2003:
359 Add support for RTEMS
361 * Add image information to README
363 * Patch by Stefan Roese, 18 Feb 2003:
364 CPCIISER4 configuration updated.
366 * Patch by Stefan Roese, 17 Feb 2003:
367 Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
369 * Patch by Stefan Roese, 13 Feb 2003:
370 Add "pcidelay" environment variable (in ms, enabled via
371 CONFIG_PCI_BOOTDELAY).
372 PCI spec 2.2 defines, that a pci target has 2^25 pci clocks after
373 RST# to respond to configuration cycles (33MHz -> 1s).
375 * Fix dual PCMCIA slot support (when running with just one
378 * Add VFD type detection to trab board
380 * extend drivers/cs8900.c driver to synchronize ethaddr environment
381 variable with value in the EEPROM
383 * Patch by Stefan Roese, 10 Feb 2003:
384 Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
386 * Add support for MIPS32 4Kc CPUs
388 * Add support for INCA-IP Board
390 ======================================================================
391 Changes for U-Boot 0.2.2:
392 ======================================================================
394 * Add dual ethernet support on PM826
396 * Add support for LXT971 PHY on PM826
398 * Patch by Tord Andersson, 16 Jan 2003:
399 Fix flash sector count for TQM8xxL
401 * Fix I2C EEPROM problem on ICU862 board (would only write the first
402 16 bytes out of each 32 byte block)
404 ======================================================================
405 Changes for U-Boot 0.2.1:
406 ======================================================================
408 * Add support for V37 board
409 (patch by Jón Benediktsson, 11 Dec 2002)
411 * Update baudrate in bd_info when it gets changed
413 * Add watchdog trigger points while waiting for serial port
414 (so far only 8xx -- needed on LWMON with 100ms watchdog)
416 * Improve command line tool to access the U-Boot's environment
417 (figuration of the utility, using a config file)
419 * Add single quote support for (old) command line parser
421 * Switch LWMON board default config from FRAM to EEPROM;
422 in POST, EEPROM shows up on 8 addresses
424 ======================================================================
425 Changes for U-Boot 0.2.0:
426 ======================================================================
428 * Use 1-byte-read instead of -write for iprobe() function
429 Add i2c commands to PM826 config
431 * extend I2C POST code: check for list on known addresses
433 * Improve log buffer code; use "loglevel" to decide which messages
434 to log on the console, too (like in Linux); get rid of "logstart"
436 * Add command line tool to access the U-Boot's environment
437 (board-specific for TRAB now, to be fixed later)
439 * Patch by Hans-Joerg Frieden, 06 Dec 2002
440 Fix misc problems with AmigaOne support
442 * Patch by Chris Hallinan, 3 Dec 2002:
443 minor cleanup to the MPC8245 EPIC driver
445 * Patch by Pierre Aubert , 28 Nov 2002
446 Add support for external (SIU) interrupts on MPC8xx
448 * Patch by Pierre Aubert , 28 Nov 2002
449 Fix nested syscalls bug in standalone applications
451 * Patch by David Müller, 27 Nov 2002:
452 fix output of "pciinfo" command for CardBus bridge devices.
454 * Fix bug in TQM8260 board detection - boards got stuck when board ID
457 * Add LED indication for IDE activity on KUP4K board
459 * Fix startup problems with VFD display on TRAB
461 * Patch by Pierre Aubert, 20 Nov 2002
462 Add driver for Epson SED13806 graphic controller.
463 Add support for BMP logos in cfb_console driver.
465 * Added support for both PCMCIA slots (at the same time!) on MPC8xx
467 * Patch by Rod Boyce, 21 Nov 2002:
468 fix PCMCIA on MBX8xx board
470 * Patch by Pierre Aubert , 21 Nov 2002
471 Add CFG_CPM_POST_WORD_ADDR to make the offset of the
472 bootmode word in DPRAM configurable
474 * Patch by Daniel Engström, 18 Nov 2002:
475 Fixes for x86 port (mostly strings issues)
477 * Patch by Ken Chou, 18 Nov 2002:
478 Fix for natsemi NIC cards (DP83815)
480 * Patch by Pierre Aubert, 19 Nov 2002:
481 fix a bug for the MII configuration, and some warnings
483 * Patch by Thomas Frieden, 13 Nov 2002:
484 Add code for AmigaOne board
485 (preliminary merge to U-Boot, still WIP)
487 * Patch by Jon Diekema, 12 Nov 2002:
488 - Adding URL for IEEE OUI lookup
489 - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
491 - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
492 root-on-nfs macros are designed to switch how the default boot
495 * Patch by Daniel Engström, 13 Nov 2002:
496 Add support for i386 architecture and AMD SC520 board
498 * Patch by Pierre Aubert, 12 Nov 2002:
499 Add support for DOS filesystem and booting from DOS floppy disk
501 * Patch by Jim Sandoz, 07 Nov 2002:
502 Increase number of network RX buffers (PKTBUFSRX in
503 "include/net.h") for EEPRO100 based boards (especially SP8240)
504 which showed "Receiver is not ready" errors when U-Boot was
505 processing the receive buffers slower than the network controller
508 * Patch by Andreas Oberritter, 09 Nov 2002:
509 Change behaviour of NetLoop(): return -1 for errors, filesize
510 otherwise; return code 0 is valid an means no file loaded - in this
511 case the environment still gets updated!
513 * Patches by Jon Diekema, 9 Nov 2002:
514 - improve ADC/DAC clocking on the SACSng board to align
515 the failing edges of LRCLK and SCLK
516 - sbc8260 configuration tweaks
517 - add status LED support for 82xx systems
518 - wire sspi/sspo commands into command handler; improved error
520 - add timestamp support and alternate memory test to the
523 * Patch by Vince Husovsky, 7 Nov 2002:
524 Add "-n" to linker options to get rid of "Not enough room for
525 program headers" problem
527 * Patch by David Müller, 05 Nov 2002
528 Rename CONFIG_PLL_INPUT_FREQ to CONFIG_SYS_CLK_FREQ
529 so we can use an already existing name
531 * Patch by Pierre Aubert, 05 Nov 2002
532 Hardware relatied improvments in FDC boot code
534 * Patch by Holger Schurig, 5 Nov 2002:
535 Make the PXA really change it's frequency
537 * Patch by Pierre Aubert, 05 Nov 2002
538 Add support for slave serial Spartan 2 FPGAs
540 * Fix uninitialized memory (MAC address) in 8xx SCC/FEC ethernet
543 * Add support for log buffer which can be passed to Linux kernel's
544 syslog mechanism; used especially for POST results.
546 * Patch by Klaus Heydeck, 31 Oct 2002:
547 Add initial support for kup4k board
549 * Patch by Robert Schwebel, 04 Nov 2002:
550 - use watchdog to reset PXA250 systems
551 - added progress callbacks to (some of the) ARM code
552 - update for Cogent CSB226 board
554 * Add support for FPS860 board
556 * Patch by Guillaume Alexandre,, 04 Nov 2002:
557 Improve PCI access on 32-bits Compact PCI bus
559 * Fix mdelay() on TRAB - this was still the debugging version with
560 seconds instead of ms.
562 * Patch by Robert Schwebel, 1 Nov 2002:
563 XScale related cleanup (affects all ARM boards)
565 * Cleanup of names and README.
567 ======================================================================
568 Notes for U-Boot 0.1.0:
569 ======================================================================
571 This is the initial version of "Das U-Boot", the Universal Boot Loader.
573 It is based on version 2.0.0 (the "Halloween Release") of PPCBoot.
574 For information about the history of the project please see the
575 PPCBoot project page at http://sourceforge.net/projects/ppcboot
577 ======================================================================