1 ======================================================================
2 Changes since U-Boot 0.2.2:
3 ======================================================================
5 * Patch by Arun Dharankar, 24 Mar 2003:
6 - add threads / scheduler example code
8 * Add patches by Robert Schwebel, 31 Mar 2003:
9 - add ctrl-c support for kermit download
10 - align bdinfo output on ARM
12 * Add CPU ID, version, and clock speed for INCA-IP
14 * Patches by Dave Ellis, 18 Mar 2003 for SXNI855T board:
15 - fix SRAM and SDRAM memory sizing
16 - add status LED support
17 - add MAC address for second (SCC1) ethernet port
19 * Update default environment for TQM8260 board
21 * Patch by Rick Bronson, 16 Mar 2003:
22 - Add NAND flash support for reading, writing, and erasing NAND
23 flash (certain forms of which are called SmartMedia).
24 - Add support for Atmel AT91RM9200DK ARM920T based development kit.
26 * Patches by Robert Schwebel, 19 Mar 2003:
27 - use arm-linux-gcc as default compiler for ARM
29 - fix missing baudrate setting
30 - added $loadaddr / CFG_LOAD_ADDR support to loadb
31 - moved "ignoring trailing characters" _before_ u-boot wants to
32 print out diagnostics messages; removes bogus characters at the
35 * Patch by John Zhan, 18 Mar 2003:
36 Add support for SinoVee Microsystems SC8xx boards
38 * Patch by Rolf Offermanns, 21 Mar 2003:
39 ported the dnp1110 related changes from the current armboot cvs to
40 current u-boot cvs. smc91111 does not work. problem marked in
41 smc91111.c, grep for "FIXME".
43 * Patch by Brian Auld, 25 Mar 2003:
44 Add support for STM flash chips on ebony board
46 * Add PCI support for MPC8250 Boards (PM825 module)
48 * Patch by Stefan Roese, 25 Mar 2003:
51 * Patch by Stefan Roese, 20 Mar 2003:
52 - CPCI4052 update (support for revision 3).
53 - Set edge conditioning circuitry on PPC405GPr for compatibility
54 to existing PPC405GP designs.
55 - Clip udiv to 5 bits on PPC405 (serial.c).
57 * Extend INCAIP board support:
58 - add automatic RAM size detection
59 - add "bdinfo" command
60 - pass flash address and size to Linux kernel
61 - switch to 150 MHz clock
63 * Avoid flicker on the TRAB's VFD by synchronizing the enable with
64 the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
65 boards, version 153 for Rev. 200 boards).
67 * Patch by Vladimir Gurevich, 12 Mar 2003:
68 Fix relocation problem of statically initialized string pointers
71 * Patch by Kai-Uwe Blöm, 12 Mar 2003:
72 Cleanup & bug fixes for JFFS2 code:
73 - the memory mangement was broken. It caused havoc on malloc by
74 writing beyond the block boundaries.
75 - the length calculation for files was wrong, sometimes resulting
77 - data copying now optionally takes fragment version numbers into
78 account, to avoid copying from older data.
79 See doc/README.JFFS2 for details.
81 * Patch by Josef Wagner, 12 Mar 2003:
82 - 16/32 MB and 50/80 MHz support with auto-detection for IP860
83 - ETH05 and BEDBUG support for CU824
84 - added support for MicroSys CPC45
85 - new BOOTROM/FLASH0 and DOC base for PM826
87 * Patch by Robert Schwebel, 12 Mar 2003:
88 Fix the chpart command on innokom board
91 mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
92 s/PPCBoot/U-Boot/ in some files
93 s/pImage/uImage/ in some files
95 * Patch by Detlev Zundel, 15 Jan 2003:
96 Fix '' command line quoting
98 * Patch by The LEOX team, 19 Jan 2003:
99 - add support for the ELPT860 board
100 - add support for Dallas ds164x RTC
102 * Patches by David Müller, 31 Jan 2003:
103 - minimal setup for CardBus bridges
104 - add EEPROM read/write support in the CS8900 driver
105 - add support for the builtin I2C controller in the Samsung s3c24x0 chips
106 - add support for MPL's VCMA9 (Samsung s3c2410 based) board
108 * Patch by Steven Scholz, 04 Feb 2003:
109 add support for RTC DS1307
111 * Patch by Reinhard Meyer, 5 Feb 2003:
112 fix PLPRCR/SCCR init sequence on 8xx to allow for
113 changes of EBDF by software
115 * Patch by Vladimir Gurevich, 07 Feb 2003:
116 "API-compatibility patch" for 4xx I2C driver
118 * TRAB fixes / extensions:
119 - Restore VFD brightness as saved in environment
120 - add support for FGujitsu flashes
121 - make sure both buzzers are turned off (drive low level)
123 * Patches by Robert Schwebel, 06 Mar 2003:
124 - fix bug in BOOTP code (must use NetCopyIP)
125 - update of CSB226 port
126 - clear BSS segment on XScale
127 - added support for i2c_init_board() function
128 - update to the Innokom plattform
130 * Extend support for redundand environments for configurations where
131 environment size < sector size
133 * Patch by Rune Torgersen, 13 Feb 2003:
134 Add support for Motorola MPC8266ADS board
136 * Patch by Kyle Harris, 19 Feb 2003:
137 patches for the Intel lubbock board:
138 memsetup.S - general cleanup (based on Robert's csb226 code)
139 flash.c - overhaul, actually works now
140 lubbock.c - fix init funcs to return proper value
142 * Patch by Kenneth Johansson, 26 Feb 2003:
143 - Fixed off by one in RFTA calculation.
144 - No need to abort when LDF is lower than we can program it's only
145 minimum timing so clamp it to what we can do.
146 - Takes function pointer to function for reading the spd_nvram. Usefull
147 for faking data or hardcode a module without the nvram.
148 - fix other user for above change
151 * Patches by Brian Waite, 26 Feb 2003:
152 - fix port for evb64260 board
153 - fix PCI for evb64260 board
156 * Patch by Reinhard Meyer, 1 Mar 2003:
157 Add support for EMK TOP860 Module
159 * Patch by Yuli Barcohen, 02 Mar 2003:
160 Add SPD EEPROM support for MPC8260ADS board
162 * Patch by Robert Schwebel, 21 Jan 2003:
163 - Add support for Innokom board
164 - Don't complain if "install" fails
165 - README cleanup (remove duplicated lines)
166 - Update PXA header files
168 * Add documentation for existing POST code (doc/README.POST)
170 * Patch by Laudney Ren, 15 Jan 2003:
171 Fix handling of redundand environment in "tools/envcrc.c"
173 * Patch by Detlev Zundel, 28 Feb 2003:
174 Add bedbug support for 824x systems
176 * Add support for 16 MB flash configuration of TRAB board
178 * Patch by Erwin Rol, 27 Feb 2003:
179 Add support for RTEMS
181 * Add image information to README
183 * Patch by Stefan Roese, 18 Feb 2003:
184 CPCIISER4 configuration updated.
186 * Patch by Stefan Roese, 17 Feb 2003:
187 Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
189 * Patch by Stefan Roese, 13 Feb 2003:
190 Add "pcidelay" environment variable (in ms, enabled via
191 CONFIG_PCI_BOOTDELAY).
192 PCI spec 2.2 defines, that a pci target has 2^25 pci clocks after
193 RST# to respond to configuration cycles (33MHz -> 1s).
195 * Fix dual PCMCIA slot support (when running with just one
198 * Add VFD type detection to trab board
200 * extend drivers/cs8900.c driver to synchronize ethaddr environment
201 variable with value in the EEPROM
203 * Patch by Stefan Roese, 10 Feb 2003:
204 Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
206 * Add support for MIPS32 4Kc CPUs
208 * Add support for INCA-IP Board
210 ======================================================================
211 Changes for U-Boot 0.2.2:
212 ======================================================================
214 * Add dual ethernet support on PM826
216 * Add support for LXT971 PHY on PM826
218 * Patch by Tord Andersson, 16 Jan 2003:
219 Fix flash sector count for TQM8xxL
221 * Fix I2C EEPROM problem on ICU862 board (would only write the first
222 16 bytes out of each 32 byte block)
224 ======================================================================
225 Changes for U-Boot 0.2.1:
226 ======================================================================
228 * Add support for V37 board
229 (patch by Jón Benediktsson, 11 Dec 2002)
231 * Update baudrate in bd_info when it gets changed
233 * Add watchdog trigger points while waiting for serial port
234 (so far only 8xx -- needed on LWMON with 100ms watchdog)
236 * Improve command line tool to access the U-Boot's environment
237 (figuration of the utility, using a config file)
239 * Add single quote support for (old) command line parser
241 * Switch LWMON board default config from FRAM to EEPROM;
242 in POST, EEPROM shows up on 8 addresses
244 ======================================================================
245 Changes for U-Boot 0.2.0:
246 ======================================================================
248 * Use 1-byte-read instead of -write for iprobe() function
249 Add i2c commands to PM826 config
251 * extend I2C POST code: check for list on known addresses
253 * Improve log buffer code; use "loglevel" to decide which messages
254 to log on the console, too (like in Linux); get rid of "logstart"
256 * Add command line tool to access the U-Boot's environment
257 (board-specific for TRAB now, to be fixed later)
259 * Patch by Hans-Joerg Frieden, 06 Dec 2002
260 Fix misc problems with AmigaOne support
262 * Patch by Chris Hallinan, 3 Dec 2002:
263 minor cleanup to the MPC8245 EPIC driver
265 * Patch by Pierre Aubert , 28 Nov 2002
266 Add support for external (SIU) interrupts on MPC8xx
268 * Patch by Pierre Aubert , 28 Nov 2002
269 Fix nested syscalls bug in standalone applications
271 * Patch by David Müller, 27 Nov 2002:
272 fix output of "pciinfo" command for CardBus bridge devices.
274 * Fix bug in TQM8260 board detection - boards got stuck when board ID
277 * Add LED indication for IDE activity on KUP4K board
279 * Fix startup problems with VFD display on TRAB
281 * Patch by Pierre Aubert, 20 Nov 2002
282 Add driver for Epson SED13806 graphic controller.
283 Add support for BMP logos in cfb_console driver.
285 * Added support for both PCMCIA slots (at the same time!) on MPC8xx
287 * Patch by Rod Boyce, 21 Nov 2002:
288 fix PCMCIA on MBX8xx board
290 * Patch by Pierre Aubert , 21 Nov 2002
291 Add CFG_CPM_POST_WORD_ADDR to make the offset of the
292 bootmode word in DPRAM configurable
294 * Patch by Daniel Engström, 18 Nov 2002:
295 Fixes for x86 port (mostly strings issues)
297 * Patch by Ken Chou, 18 Nov 2002:
298 Fix for natsemi NIC cards (DP83815)
300 * Patch by Pierre Aubert, 19 Nov 2002:
301 fix a bug for the MII configuration, and some warnings
303 * Patch by Thomas Frieden, 13 Nov 2002:
304 Add code for AmigaOne board
305 (preliminary merge to U-Boot, still WIP)
307 * Patch by Jon Diekema, 12 Nov 2002:
308 - Adding URL for IEEE OUI lookup
309 - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
311 - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
312 root-on-nfs macros are designed to switch how the default boot
315 * Patch by Daniel Engström, 13 Nov 2002:
316 Add support for i386 architecture and AMD SC520 board
318 * Patch by Pierre Aubert, 12 Nov 2002:
319 Add support for DOS filesystem and booting from DOS floppy disk
321 * Patch by Jim Sandoz, 07 Nov 2002:
322 Increase number of network RX buffers (PKTBUFSRX in
323 "include/net.h") for EEPRO100 based boards (especially SP8240)
324 which showed "Receiver is not ready" errors when U-Boot was
325 processing the receive buffers slower than the network controller
328 * Patch by Andreas Oberritter, 09 Nov 2002:
329 Change behaviour of NetLoop(): return -1 for errors, filesize
330 otherwise; return code 0 is valid an means no file loaded - in this
331 case the environment still gets updated!
333 * Patches by Jon Diekema, 9 Nov 2002:
334 - improve ADC/DAC clocking on the SACSng board to align
335 the failing edges of LRCLK and SCLK
336 - sbc8260 configuration tweaks
337 - add status LED support for 82xx systems
338 - wire sspi/sspo commands into command handler; improved error
340 - add timestamp support and alternate memory test to the
343 * Patch by Vince Husovsky, 7 Nov 2002:
344 Add "-n" to linker options to get rid of "Not enough room for
345 program headers" problem
347 * Patch by David Müller, 05 Nov 2002
348 Rename CONFIG_PLL_INPUT_FREQ to CONFIG_SYS_CLK_FREQ
349 so we can use an already existing name
351 * Patch by Pierre Aubert, 05 Nov 2002
352 Hardware relatied improvments in FDC boot code
354 * Patch by Holger Schurig, 5 Nov 2002:
355 Make the PXA really change it's frequency
357 * Patch by Pierre Aubert, 05 Nov 2002
358 Add support for slave serial Spartan 2 FPGAs
360 * Fix uninitialized memory (MAC address) in 8xx SCC/FEC ethernet
363 * Add support for log buffer which can be passed to Linux kernel's
364 syslog mechanism; used especially for POST results.
366 * Patch by Klaus Heydeck, 31 Oct 2002:
367 Add initial support for kup4k board
369 * Patch by Robert Schwebel, 04 Nov 2002:
370 - use watchdog to reset PXA250 systems
371 - added progress callbacks to (some of the) ARM code
372 - update for Cogent CSB226 board
374 * Add support for FPS860 board
376 * Patch by Guillaume Alexandre,, 04 Nov 2002:
377 Improve PCI access on 32-bits Compact PCI bus
379 * Fix mdelay() on TRAB - this was still the debugging version with
380 seconds instead of ms.
382 * Patch by Robert Schwebel, 1 Nov 2002:
383 XScale related cleanup (affects all ARM boards)
385 * Cleanup of names and README.
387 ======================================================================
388 Notes for U-Boot 0.1.0:
389 ======================================================================
391 This is the initial version of "Das U-Boot", the Universal Boot Loader.
393 It is based on version 2.0.0 (the "Halloween Release") of PPCBoot.
394 For information about the history of the project please see the
395 PPCBoot project page at http://sourceforge.net/projects/ppcboot
397 ======================================================================