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wdenk24ee89b2002-11-03 17:56:27 +00001======================================================================
wdenk4a5c8a72003-03-06 00:02:04 +00002Changes since U-Boot 0.2.2:
wdenkeda42082003-01-17 16:27:01 +00003======================================================================
4
wdenk5840af22003-03-28 14:40:36 +00005* Patches by Dave Ellis, 18 Mar 2003 for SXNI855T board:
6 - fix SRAM and SDRAM memory sizing
7 - add status LED support
8 - add MAC address for second (SCC1) ethernet port
9
10* Update default environment for TQM8260 board
11
wdenkc8434db2003-03-26 06:55:25 +000012* Patch by Rick Bronson, 16 Mar 2003:
wdenkbb1b8262003-03-27 12:09:35 +000013 - Add NAND flash support for reading, writing, and erasing NAND
14 flash (certain forms of which are called SmartMedia).
15 - Add support for Atmel AT91RM9200DK ARM920T based development kit.
wdenkc8434db2003-03-26 06:55:25 +000016
17* Patches by Robert Schwebel, 19 Mar 2003:
18 - use arm-linux-gcc as default compiler for ARM
19 - fix i2c fixup code
20 - fix missing baudrate setting
21 - added $loadaddr / CFG_LOAD_ADDR support to loadb
22 - moved "ignoring trailing characters" _before_ u-boot wants to
23 print out diagnostics messages; removes bogus characters at the
24 end of transmission
25
26* Patch by John Zhan, 18 Mar 2003:
27 Add support for SinoVee Microsystems SC8xx boards
28
29* Patch by Rolf Offermanns, 21 Mar 2003:
30 ported the dnp1110 related changes from the current armboot cvs to
31 current u-boot cvs. smc91111 does not work. problem marked in
32 smc91111.c, grep for "FIXME".
33
34* Patch by Brian Auld, 25 Mar 2003:
35 Add support for STM flash chips on ebony board
36
wdenk28536032003-03-25 16:50:56 +000037* Add PCI support for MPC8250 Boards (PM825 module)
38
stroesea95be4d2003-03-25 14:44:48 +000039* Patch by Stefan Roese, 25 Mar 2003:
40 - PCI405 update.
41
stroesef2afa912003-03-20 15:32:59 +000042* Patch by Stefan Roese, 20 Mar 2003:
43 - CPCI4052 update (support for revision 3).
44 - Set edge conditioning circuitry on PPC405GPr for compatibility
45 to existing PPC405GP designs.
46 - Clip udiv to 5 bits on PPC405 (serial.c).
47
wdenkbb1b8262003-03-27 12:09:35 +000048* Extend INCAIP board support:
49 - add automatic RAM size detection
50 - add "bdinfo" command
51 - pass flash address and size to Linux kernel
52 - switch to 150 MHz clock
53
wdenk6b58f332003-03-14 20:47:52 +000054* Avoid flicker on the TRAB's VFD by synchronizing the enable with
55 the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
56 boards, version 153 for Rev. 200 boards).
57
58* Patch by Vladimir Gurevich, 12 Mar 2003:
59 Fix relocation problem of statically initialized string pointers
60 in common/cmd_pci.c
61
62* Patch by Kai-Uwe Blöm, 12 Mar 2003:
63 Cleanup & bug fixes for JFFS2 code:
64 - the memory mangement was broken. It caused havoc on malloc by
65 writing beyond the block boundaries.
66 - the length calculation for files was wrong, sometimes resulting
67 in short file reads.
68 - data copying now optionally takes fragment version numbers into
69 account, to avoid copying from older data.
70 See doc/README.JFFS2 for details.
71
wdenkef5fe752003-03-12 10:41:04 +000072* Patch by Josef Wagner, 12 Mar 2003:
73 - 16/32 MB and 50/80 MHz support with auto-detection for IP860
74 - ETH05 and BEDBUG support for CU824
75 - added support for MicroSys CPC45
76 - new BOOTROM/FLASH0 and DOC base for PM826
77
78* Patch by Robert Schwebel, 12 Mar 2003:
79 Fix the chpart command on innokom board
80
81* Name cleanup:
82 mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
83 s/PPCBoot/U-Boot/ in some files
84 s/pImage/uImage/ in some files
85
86* Patch by Detlev Zundel, 15 Jan 2003:
87 Fix '' command line quoting
88
89* Patch by The LEOX team, 19 Jan 2003:
90 - add support for the ELPT860 board
91 - add support for Dallas ds164x RTC
92
wdenk1fe2c702003-03-06 21:55:29 +000093* Patches by David Müller, 31 Jan 2003:
94 - minimal setup for CardBus bridges
95 - add EEPROM read/write support in the CS8900 driver
96 - add support for the builtin I2C controller in the Samsung s3c24x0 chips
wdenkef5fe752003-03-12 10:41:04 +000097 - add support for MPL's VCMA9 (Samsung s3c2410 based) board
wdenk1fe2c702003-03-06 21:55:29 +000098
99* Patch by Steven Scholz, 04 Feb 2003:
100 add support for RTC DS1307
101
102* Patch by Reinhard Meyer, 5 Feb 2003:
103 fix PLPRCR/SCCR init sequence on 8xx to allow for
104 changes of EBDF by software
105
106* Patch by Vladimir Gurevich, 07 Feb 2003:
107 "API-compatibility patch" for 4xx I2C driver
108
109* TRAB fixes / extensions:
110 - Restore VFD brightness as saved in environment
111 - add support for FGujitsu flashes
112 - make sure both buzzers are turned off (drive low level)
113
wdenkcc1e2562003-03-06 13:39:27 +0000114* Patches by Robert Schwebel, 06 Mar 2003:
115 - fix bug in BOOTP code (must use NetCopyIP)
116 - update of CSB226 port
117 - clear BSS segment on XScale
118 - added support for i2c_init_board() function
119 - update to the Innokom plattform
120
121* Extend support for redundand environments for configurations where
122 environment size < sector size
123
wdenkb666c8f2003-03-06 00:58:30 +0000124* Patch by Rune Torgersen, 13 Feb 2003:
125 Add support for Motorola MPC8266ADS board
126
127* Patch by Kyle Harris, 19 Feb 2003:
128 patches for the Intel lubbock board:
129 memsetup.S - general cleanup (based on Robert's csb226 code)
130 flash.c - overhaul, actually works now
131 lubbock.c - fix init funcs to return proper value
132
133* Patch by Kenneth Johansson, 26 Feb 2003:
stroesef2afa912003-03-20 15:32:59 +0000134 - Fixed off by one in RFTA calculation.
wdenkb666c8f2003-03-06 00:58:30 +0000135 - No need to abort when LDF is lower than we can program it's only
stroesef2afa912003-03-20 15:32:59 +0000136 minimum timing so clamp it to what we can do.
wdenkb666c8f2003-03-06 00:58:30 +0000137 - Takes function pointer to function for reading the spd_nvram. Usefull
138 for faking data or hardcode a module without the nvram.
139 - fix other user for above change
140 - fix some comments.
141
142* Patches by Brian Waite, 26 Feb 2003:
143 - fix port for evb64260 board
144 - fix PCI for evb64260 board
145 - fix PCI scan
146
147* Patch by Reinhard Meyer, 1 Mar 2003:
148 Add support for EMK TOP860 Module
149
150* Patch by Yuli Barcohen, 02 Mar 2003:
151 Add SPD EEPROM support for MPC8260ADS board
152
wdenk4a5c8a72003-03-06 00:02:04 +0000153* Patch by Robert Schwebel, 21 Jan 2003:
154 - Add support for Innokom board
155 - Don't complain if "install" fails
156 - README cleanup (remove duplicated lines)
157 - Update PXA header files
158
159* Add documentation for existing POST code (doc/README.POST)
160
161* Patch by Laudney Ren, 15 Jan 2003:
162 Fix handling of redundand environment in "tools/envcrc.c"
163
164* Patch by Detlev Zundel, 28 Feb 2003:
165 Add bedbug support for 824x systems
166
167* Add support for 16 MB flash configuration of TRAB board
168
169* Patch by Erwin Rol, 27 Feb 2003:
170 Add support for RTEMS
171
172* Add image information to README
173
stroesefd4b5a72003-02-18 11:30:24 +0000174* Patch by Stefan Roese, 18 Feb 2003:
175 CPCIISER4 configuration updated.
176
stroese85d0fec2003-02-17 16:06:06 +0000177* Patch by Stefan Roese, 17 Feb 2003:
178 Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
179
stroesef5dd4102003-02-14 11:21:23 +0000180* Patch by Stefan Roese, 13 Feb 2003:
181 Add "pcidelay" environment variable (in ms, enabled via
182 CONFIG_PCI_BOOTDELAY).
183 PCI spec 2.2 defines, that a pci target has 2^25 pci clocks after
184 RST# to respond to configuration cycles (33MHz -> 1s).
185
wdenk4a5c8a72003-03-06 00:02:04 +0000186* Fix dual PCMCIA slot support (when running with just one
187 slot populated)
188
189* Add VFD type detection to trab board
190
191* extend drivers/cs8900.c driver to synchronize ethaddr environment
192 variable with value in the EEPROM
193
stroese91ee5282003-02-10 16:39:00 +0000194* Patch by Stefan Roese, 10 Feb 2003:
195 Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
196
wdenkbb1b8262003-03-27 12:09:35 +0000197* Add support for MIPS32 4Kc CPUs
198
199* Add support for INCA-IP Board
200
wdenk4a5c8a72003-03-06 00:02:04 +0000201======================================================================
202Changes for U-Boot 0.2.2:
203======================================================================
204
wdenkeda42082003-01-17 16:27:01 +0000205* Add dual ethernet support on PM826
206
207* Add support for LXT971 PHY on PM826
208
209* Patch by Tord Andersson, 16 Jan 2003:
210 Fix flash sector count for TQM8xxL
211
212* Fix I2C EEPROM problem on ICU862 board (would only write the first
213 16 bytes out of each 32 byte block)
214
215======================================================================
216Changes for U-Boot 0.2.1:
wdenk2f87a3f2002-12-20 23:42:25 +0000217======================================================================
218
wdenk2dad91b2003-01-13 23:54:46 +0000219* Add support for V37 board
220 (patch by Jón Benediktsson, 11 Dec 2002)
221
wdenke7f34c62003-01-11 09:48:40 +0000222* Update baudrate in bd_info when it gets changed
223
224* Add watchdog trigger points while waiting for serial port
225 (so far only 8xx -- needed on LWMON with 100ms watchdog)
226
227* Improve command line tool to access the U-Boot's environment
228 (figuration of the utility, using a config file)
229
wdenk654868c2003-01-02 23:57:29 +0000230* Add single quote support for (old) command line parser
231
wdenk2f87a3f2002-12-20 23:42:25 +0000232* Switch LWMON board default config from FRAM to EEPROM;
233 in POST, EEPROM shows up on 8 addresses
234
235======================================================================
wdenka08708c2002-12-17 18:07:30 +0000236Changes for U-Boot 0.2.0:
wdenk24ee89b2002-11-03 17:56:27 +0000237======================================================================
238
wdenk34b613e2002-12-17 01:51:00 +0000239* Use 1-byte-read instead of -write for iprobe() function
240 Add i2c commands to PM826 config
241
242* extend I2C POST code: check for list on known addresses
243
wdenk9dfa8d12002-12-08 09:53:23 +0000244* Improve log buffer code; use "loglevel" to decide which messages
245 to log on the console, too (like in Linux); get rid of "logstart"
246
247* Add command line tool to access the U-Boot's environment
248 (board-specific for TRAB now, to be fixed later)
249
wdenkbb444c92002-12-07 00:20:59 +0000250* Patch by Hans-Joerg Frieden, 06 Dec 2002
251 Fix misc problems with AmigaOne support
252
253* Patch by Chris Hallinan, 3 Dec 2002:
254 minor cleanup to the MPC8245 EPIC driver
255
256* Patch by Pierre Aubert , 28 Nov 2002
257 Add support for external (SIU) interrupts on MPC8xx
258
259* Patch by Pierre Aubert , 28 Nov 2002
260 Fix nested syscalls bug in standalone applications
261
262* Patch by David Müller, 27 Nov 2002:
263 fix output of "pciinfo" command for CardBus bridge devices.
264
265* Fix bug in TQM8260 board detection - boards got stuck when board ID
266 was not readable
267
wdenk90e7e422002-12-04 23:39:58 +0000268* Add LED indication for IDE activity on KUP4K board
269
wdenk9dd2b882002-12-03 21:28:10 +0000270* Fix startup problems with VFD display on TRAB
271
272* Patch by Pierre Aubert, 20 Nov 2002
273 Add driver for Epson SED13806 graphic controller.
274 Add support for BMP logos in cfb_console driver.
275
wdenk2029f4d2002-11-21 23:11:29 +0000276* Added support for both PCMCIA slots (at the same time!) on MPC8xx
277
278* Patch by Rod Boyce, 21 Nov 2002:
279 fix PCMCIA on MBX8xx board
280
281* Patch by Pierre Aubert , 21 Nov 2002
282 Add CFG_CPM_POST_WORD_ADDR to make the offset of the
283 bootmode word in DPRAM configurable
284
wdenk67ff36c2002-11-19 23:01:07 +0000285* Patch by Daniel Engström, 18 Nov 2002:
286 Fixes for x86 port (mostly strings issues)
287
288* Patch by Ken Chou, 18 Nov 2002:
289 Fix for natsemi NIC cards (DP83815)
290
291* Patch by Pierre Aubert, 19 Nov 2002:
292 fix a bug for the MII configuration, and some warnings
293
wdenk452cfd62002-11-19 11:04:11 +0000294* Patch by Thomas Frieden, 13 Nov 2002:
295 Add code for AmigaOne board
296 (preliminary merge to U-Boot, still WIP)
297
298* Patch by Jon Diekema, 12 Nov 2002:
299 - Adding URL for IEEE OUI lookup
300 - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
301 being defined.
302 - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
303 root-on-nfs macros are designed to switch how the default boot
304 method gets defined.
305
wdenk591dda52002-11-18 00:14:45 +0000306* Patch by Daniel Engström, 13 Nov 2002:
307 Add support for i386 architecture and AMD SC520 board
308
309* Patch by Pierre Aubert, 12 Nov 2002:
310 Add support for DOS filesystem and booting from DOS floppy disk
311
wdenk2582f6b2002-11-11 21:14:20 +0000312* Patch by Jim Sandoz, 07 Nov 2002:
313 Increase number of network RX buffers (PKTBUFSRX in
314 "include/net.h") for EEPRO100 based boards (especially SP8240)
315 which showed "Receiver is not ready" errors when U-Boot was
316 processing the receive buffers slower than the network controller
317 was filling them.
318
wdenkc217f6d2002-11-11 02:11:37 +0000319* Patch by Andreas Oberritter, 09 Nov 2002:
320 Change behaviour of NetLoop(): return -1 for errors, filesize
321 otherwise; return code 0 is valid an means no file loaded - in this
322 case the environment still gets updated!
323
324* Patches by Jon Diekema, 9 Nov 2002:
325 - improve ADC/DAC clocking on the SACSng board to align
326 the failing edges of LRCLK and SCLK
327 - sbc8260 configuration tweaks
328 - add status LED support for 82xx systems
329 - wire sspi/sspo commands into command handler; improved error
330 handlering
331 - add timestamp support and alternate memory test to the
332 SACSng configuration
333
334* Patch by Vince Husovsky, 7 Nov 2002:
wdenk1272e232002-11-10 22:06:23 +0000335 Add "-n" to linker options to get rid of "Not enough room for
336 program headers" problem
337
338* Patch by David Müller, 05 Nov 2002
339 Rename CONFIG_PLL_INPUT_FREQ to CONFIG_SYS_CLK_FREQ
340 so we can use an already existing name
341
342* Patch by Pierre Aubert, 05 Nov 2002
343 Hardware relatied improvments in FDC boot code
344
345* Patch by Holger Schurig, 5 Nov 2002:
346 Make the PXA really change it's frequency
347
348* Patch by Pierre Aubert, 05 Nov 2002
349 Add support for slave serial Spartan 2 FPGAs
350
351* Fix uninitialized memory (MAC address) in 8xx SCC/FEC ethernet
352 drivers
353
wdenk56f94be2002-11-05 16:35:14 +0000354* Add support for log buffer which can be passed to Linux kernel's
355 syslog mechanism; used especially for POST results.
356
357* Patch by Klaus Heydeck, 31 Oct 2002:
358 Add initial support for kup4k board
359
wdenk384ae022002-11-05 00:17:55 +0000360* Patch by Robert Schwebel, 04 Nov 2002:
361 - use watchdog to reset PXA250 systems
362 - added progress callbacks to (some of the) ARM code
363 - update for Cogent CSB226 board
364
365* Add support for FPS860 board
366
wdenke95b61c2002-11-04 16:02:40 +0000367* Patch by Guillaume Alexandre,, 04 Nov 2002:
368 Improve PCI access on 32-bits Compact PCI bus
369
wdenk24ee89b2002-11-03 17:56:27 +0000370* Fix mdelay() on TRAB - this was still the debugging version with
371 seconds instead of ms.
372
373* Patch by Robert Schwebel, 1 Nov 2002:
374 XScale related cleanup (affects all ARM boards)
375
376* Cleanup of names and README.
wdenkcc1c8a12002-11-02 22:58:18 +0000377
378======================================================================
wdenk24ee89b2002-11-03 17:56:27 +0000379Notes for U-Boot 0.1.0:
wdenkcc1c8a12002-11-02 22:58:18 +0000380======================================================================
381
382This is the initial version of "Das U-Boot", the Universal Boot Loader.
383
384It is based on version 2.0.0 (the "Halloween Release") of PPCBoot.
385For information about the history of the project please see the
386PPCBoot project page at http://sourceforge.net/projects/ppcboot
387
388======================================================================