1 ======================================================================
2 Changes since U-Boot 0.2.2:
3 ======================================================================
5 * Patch by Arun Dharankar, 4 Apr 2003:
6 Add IDMA example code (tested on 8260 only)
8 * Add support for Purple Board (MIPS64 5Kc)
10 * Add support for MIPS64 5Kc CPUs
12 * Fix missing setting of "loadaddr" and "bootfile" on ARM and MIPS
14 * Patch by Denis Peter, 04 Apr 2003:
15 - update MIP405-4 board
17 * Patch by Stefan Roese, 4 Apr 2003:
18 - U-Boot version environment variable "ver" added
19 (CONFIG_VERSION_VARIABLE).
20 - Changed PPC405GPr version from A to B.
21 - Changed CPCI405 to use CTS instead of DSR on PPC405 UART1.
23 * Patches by Denis Peter, 03 April 2003:
24 - fix PCI IRQs on MPL boards
25 - fix two more un-relocated pointer problems
27 * Fix behaviour of "run" command:
28 - print error message iv variable does not exist
29 - terminate processing of arguments in case of error
31 * Patches by Peter Figuli, 10 Mar 2003
32 - Add support for BTUART on PXA platform
33 - Add support for WEP EP250 (PXA) board
35 * Fix flash problems on INCA-IP; add tool to allow bruning images to
38 * Implement fix for I2C Edge Conditions problem for all boards that
39 use the bit-banging driver (common/soft_i2c.c)
41 * Patch by Martin Winistoerfer, 23 Mar 2003
42 - Add port to MPC555/556 microcontrollers
43 - Add support for cmi customer board with
44 Intel 28F128J3A, 28F320J3A or 28F640J3A flash.
46 * Patch by Rick Bronson, 28 Mar 2003:
47 - fix common/cmd_nand.c
49 * Patch by Arun Dharankar, 24 Mar 2003:
50 - add threads / scheduler example code
52 * Add patches by Robert Schwebel, 31 Mar 2003:
53 - add ctrl-c support for kermit download
54 - align bdinfo output on ARM
55 - csb226 board: bring in sync with innokom/memsetup.S
56 - csb226 board: fix MDREFR handling
57 - misc doc fixes / extensions
58 - innokom board: cleanup, MDREFR fix in memsetup.S, config update
59 - add BOOT_PROGRESS to armlinux.c
61 * Add CPU ID, version, and clock speed for INCA-IP
63 * Patches by Dave Ellis, 18 Mar 2003 for SXNI855T board:
64 - fix SRAM and SDRAM memory sizing
65 - add status LED support
66 - add MAC address for second (SCC1) ethernet port
68 * Update default environment for TQM8260 board
70 * Patch by Rick Bronson, 16 Mar 2003:
71 - Add NAND flash support for reading, writing, and erasing NAND
72 flash (certain forms of which are called SmartMedia).
73 - Add support for Atmel AT91RM9200DK ARM920T based development kit.
75 * Patches by Robert Schwebel, 19 Mar 2003:
76 - use arm-linux-gcc as default compiler for ARM
78 - fix missing baudrate setting
79 - added $loadaddr / CFG_LOAD_ADDR support to loadb
80 - moved "ignoring trailing characters" _before_ u-boot wants to
81 print out diagnostics messages; removes bogus characters at the
84 * Patch by John Zhan, 18 Mar 2003:
85 Add support for SinoVee Microsystems SC8xx boards
87 * Patch by Rolf Offermanns, 21 Mar 2003:
88 ported the dnp1110 related changes from the current armboot cvs to
89 current u-boot cvs. smc91111 does not work. problem marked in
90 smc91111.c, grep for "FIXME".
92 * Patch by Brian Auld, 25 Mar 2003:
93 Add support for STM flash chips on ebony board
95 * Add PCI support for MPC8250 Boards (PM825 module)
97 * Patch by Stefan Roese, 25 Mar 2003:
100 * Patch by Stefan Roese, 20 Mar 2003:
101 - CPCI4052 update (support for revision 3).
102 - Set edge conditioning circuitry on PPC405GPr for compatibility
103 to existing PPC405GP designs.
104 - Clip udiv to 5 bits on PPC405 (serial.c).
106 * Extend INCAIP board support:
107 - add automatic RAM size detection
108 - add "bdinfo" command
109 - pass flash address and size to Linux kernel
110 - switch to 150 MHz clock
112 * Avoid flicker on the TRAB's VFD by synchronizing the enable with
113 the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
114 boards, version 153 for Rev. 200 boards).
116 * Patch by Vladimir Gurevich, 12 Mar 2003:
117 Fix relocation problem of statically initialized string pointers
120 * Patch by Kai-Uwe Blöm, 12 Mar 2003:
121 Cleanup & bug fixes for JFFS2 code:
122 - the memory mangement was broken. It caused havoc on malloc by
123 writing beyond the block boundaries.
124 - the length calculation for files was wrong, sometimes resulting
126 - data copying now optionally takes fragment version numbers into
127 account, to avoid copying from older data.
128 See doc/README.JFFS2 for details.
130 * Patch by Josef Wagner, 12 Mar 2003:
131 - 16/32 MB and 50/80 MHz support with auto-detection for IP860
132 - ETH05 and BEDBUG support for CU824
133 - added support for MicroSys CPC45
134 - new BOOTROM/FLASH0 and DOC base for PM826
136 * Patch by Robert Schwebel, 12 Mar 2003:
137 Fix the chpart command on innokom board
140 mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
141 s/PPCBoot/U-Boot/ in some files
142 s/pImage/uImage/ in some files
144 * Patch by Detlev Zundel, 15 Jan 2003:
145 Fix '' command line quoting
147 * Patch by The LEOX team, 19 Jan 2003:
148 - add support for the ELPT860 board
149 - add support for Dallas ds164x RTC
151 * Patches by David Müller, 31 Jan 2003:
152 - minimal setup for CardBus bridges
153 - add EEPROM read/write support in the CS8900 driver
154 - add support for the builtin I2C controller in the Samsung s3c24x0 chips
155 - add support for MPL's VCMA9 (Samsung s3c2410 based) board
157 * Patch by Steven Scholz, 04 Feb 2003:
158 add support for RTC DS1307
160 * Patch by Reinhard Meyer, 5 Feb 2003:
161 fix PLPRCR/SCCR init sequence on 8xx to allow for
162 changes of EBDF by software
164 * Patch by Vladimir Gurevich, 07 Feb 2003:
165 "API-compatibility patch" for 4xx I2C driver
167 * TRAB fixes / extensions:
168 - Restore VFD brightness as saved in environment
169 - add support for FGujitsu flashes
170 - make sure both buzzers are turned off (drive low level)
172 * Patches by Robert Schwebel, 06 Mar 2003:
173 - fix bug in BOOTP code (must use NetCopyIP)
174 - update of CSB226 port
175 - clear BSS segment on XScale
176 - added support for i2c_init_board() function
177 - update to the Innokom plattform
179 * Extend support for redundand environments for configurations where
180 environment size < sector size
182 * Patch by Rune Torgersen, 13 Feb 2003:
183 Add support for Motorola MPC8266ADS board
185 * Patch by Kyle Harris, 19 Feb 2003:
186 patches for the Intel lubbock board:
187 memsetup.S - general cleanup (based on Robert's csb226 code)
188 flash.c - overhaul, actually works now
189 lubbock.c - fix init funcs to return proper value
191 * Patch by Kenneth Johansson, 26 Feb 2003:
192 - Fixed off by one in RFTA calculation.
193 - No need to abort when LDF is lower than we can program it's only
194 minimum timing so clamp it to what we can do.
195 - Takes function pointer to function for reading the spd_nvram. Usefull
196 for faking data or hardcode a module without the nvram.
197 - fix other user for above change
200 * Patches by Brian Waite, 26 Feb 2003:
201 - fix port for evb64260 board
202 - fix PCI for evb64260 board
205 * Patch by Reinhard Meyer, 1 Mar 2003:
206 Add support for EMK TOP860 Module
208 * Patch by Yuli Barcohen, 02 Mar 2003:
209 Add SPD EEPROM support for MPC8260ADS board
211 * Patch by Robert Schwebel, 21 Jan 2003:
212 - Add support for Innokom board
213 - Don't complain if "install" fails
214 - README cleanup (remove duplicated lines)
215 - Update PXA header files
217 * Add documentation for existing POST code (doc/README.POST)
219 * Patch by Laudney Ren, 15 Jan 2003:
220 Fix handling of redundand environment in "tools/envcrc.c"
222 * Patch by Detlev Zundel, 28 Feb 2003:
223 Add bedbug support for 824x systems
225 * Add support for 16 MB flash configuration of TRAB board
227 * Patch by Erwin Rol, 27 Feb 2003:
228 Add support for RTEMS
230 * Add image information to README
232 * Patch by Stefan Roese, 18 Feb 2003:
233 CPCIISER4 configuration updated.
235 * Patch by Stefan Roese, 17 Feb 2003:
236 Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
238 * Patch by Stefan Roese, 13 Feb 2003:
239 Add "pcidelay" environment variable (in ms, enabled via
240 CONFIG_PCI_BOOTDELAY).
241 PCI spec 2.2 defines, that a pci target has 2^25 pci clocks after
242 RST# to respond to configuration cycles (33MHz -> 1s).
244 * Fix dual PCMCIA slot support (when running with just one
247 * Add VFD type detection to trab board
249 * extend drivers/cs8900.c driver to synchronize ethaddr environment
250 variable with value in the EEPROM
252 * Patch by Stefan Roese, 10 Feb 2003:
253 Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
255 * Add support for MIPS32 4Kc CPUs
257 * Add support for INCA-IP Board
259 ======================================================================
260 Changes for U-Boot 0.2.2:
261 ======================================================================
263 * Add dual ethernet support on PM826
265 * Add support for LXT971 PHY on PM826
267 * Patch by Tord Andersson, 16 Jan 2003:
268 Fix flash sector count for TQM8xxL
270 * Fix I2C EEPROM problem on ICU862 board (would only write the first
271 16 bytes out of each 32 byte block)
273 ======================================================================
274 Changes for U-Boot 0.2.1:
275 ======================================================================
277 * Add support for V37 board
278 (patch by Jón Benediktsson, 11 Dec 2002)
280 * Update baudrate in bd_info when it gets changed
282 * Add watchdog trigger points while waiting for serial port
283 (so far only 8xx -- needed on LWMON with 100ms watchdog)
285 * Improve command line tool to access the U-Boot's environment
286 (figuration of the utility, using a config file)
288 * Add single quote support for (old) command line parser
290 * Switch LWMON board default config from FRAM to EEPROM;
291 in POST, EEPROM shows up on 8 addresses
293 ======================================================================
294 Changes for U-Boot 0.2.0:
295 ======================================================================
297 * Use 1-byte-read instead of -write for iprobe() function
298 Add i2c commands to PM826 config
300 * extend I2C POST code: check for list on known addresses
302 * Improve log buffer code; use "loglevel" to decide which messages
303 to log on the console, too (like in Linux); get rid of "logstart"
305 * Add command line tool to access the U-Boot's environment
306 (board-specific for TRAB now, to be fixed later)
308 * Patch by Hans-Joerg Frieden, 06 Dec 2002
309 Fix misc problems with AmigaOne support
311 * Patch by Chris Hallinan, 3 Dec 2002:
312 minor cleanup to the MPC8245 EPIC driver
314 * Patch by Pierre Aubert , 28 Nov 2002
315 Add support for external (SIU) interrupts on MPC8xx
317 * Patch by Pierre Aubert , 28 Nov 2002
318 Fix nested syscalls bug in standalone applications
320 * Patch by David Müller, 27 Nov 2002:
321 fix output of "pciinfo" command for CardBus bridge devices.
323 * Fix bug in TQM8260 board detection - boards got stuck when board ID
326 * Add LED indication for IDE activity on KUP4K board
328 * Fix startup problems with VFD display on TRAB
330 * Patch by Pierre Aubert, 20 Nov 2002
331 Add driver for Epson SED13806 graphic controller.
332 Add support for BMP logos in cfb_console driver.
334 * Added support for both PCMCIA slots (at the same time!) on MPC8xx
336 * Patch by Rod Boyce, 21 Nov 2002:
337 fix PCMCIA on MBX8xx board
339 * Patch by Pierre Aubert , 21 Nov 2002
340 Add CFG_CPM_POST_WORD_ADDR to make the offset of the
341 bootmode word in DPRAM configurable
343 * Patch by Daniel Engström, 18 Nov 2002:
344 Fixes for x86 port (mostly strings issues)
346 * Patch by Ken Chou, 18 Nov 2002:
347 Fix for natsemi NIC cards (DP83815)
349 * Patch by Pierre Aubert, 19 Nov 2002:
350 fix a bug for the MII configuration, and some warnings
352 * Patch by Thomas Frieden, 13 Nov 2002:
353 Add code for AmigaOne board
354 (preliminary merge to U-Boot, still WIP)
356 * Patch by Jon Diekema, 12 Nov 2002:
357 - Adding URL for IEEE OUI lookup
358 - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
360 - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
361 root-on-nfs macros are designed to switch how the default boot
364 * Patch by Daniel Engström, 13 Nov 2002:
365 Add support for i386 architecture and AMD SC520 board
367 * Patch by Pierre Aubert, 12 Nov 2002:
368 Add support for DOS filesystem and booting from DOS floppy disk
370 * Patch by Jim Sandoz, 07 Nov 2002:
371 Increase number of network RX buffers (PKTBUFSRX in
372 "include/net.h") for EEPRO100 based boards (especially SP8240)
373 which showed "Receiver is not ready" errors when U-Boot was
374 processing the receive buffers slower than the network controller
377 * Patch by Andreas Oberritter, 09 Nov 2002:
378 Change behaviour of NetLoop(): return -1 for errors, filesize
379 otherwise; return code 0 is valid an means no file loaded - in this
380 case the environment still gets updated!
382 * Patches by Jon Diekema, 9 Nov 2002:
383 - improve ADC/DAC clocking on the SACSng board to align
384 the failing edges of LRCLK and SCLK
385 - sbc8260 configuration tweaks
386 - add status LED support for 82xx systems
387 - wire sspi/sspo commands into command handler; improved error
389 - add timestamp support and alternate memory test to the
392 * Patch by Vince Husovsky, 7 Nov 2002:
393 Add "-n" to linker options to get rid of "Not enough room for
394 program headers" problem
396 * Patch by David Müller, 05 Nov 2002
397 Rename CONFIG_PLL_INPUT_FREQ to CONFIG_SYS_CLK_FREQ
398 so we can use an already existing name
400 * Patch by Pierre Aubert, 05 Nov 2002
401 Hardware relatied improvments in FDC boot code
403 * Patch by Holger Schurig, 5 Nov 2002:
404 Make the PXA really change it's frequency
406 * Patch by Pierre Aubert, 05 Nov 2002
407 Add support for slave serial Spartan 2 FPGAs
409 * Fix uninitialized memory (MAC address) in 8xx SCC/FEC ethernet
412 * Add support for log buffer which can be passed to Linux kernel's
413 syslog mechanism; used especially for POST results.
415 * Patch by Klaus Heydeck, 31 Oct 2002:
416 Add initial support for kup4k board
418 * Patch by Robert Schwebel, 04 Nov 2002:
419 - use watchdog to reset PXA250 systems
420 - added progress callbacks to (some of the) ARM code
421 - update for Cogent CSB226 board
423 * Add support for FPS860 board
425 * Patch by Guillaume Alexandre,, 04 Nov 2002:
426 Improve PCI access on 32-bits Compact PCI bus
428 * Fix mdelay() on TRAB - this was still the debugging version with
429 seconds instead of ms.
431 * Patch by Robert Schwebel, 1 Nov 2002:
432 XScale related cleanup (affects all ARM boards)
434 * Cleanup of names and README.
436 ======================================================================
437 Notes for U-Boot 0.1.0:
438 ======================================================================
440 This is the initial version of "Das U-Boot", the Universal Boot Loader.
442 It is based on version 2.0.0 (the "Halloween Release") of PPCBoot.
443 For information about the history of the project please see the
444 PPCBoot project page at http://sourceforge.net/projects/ppcboot
446 ======================================================================