1 ======================================================================
2 Changes since U-Boot 0.2.2:
3 ======================================================================
5 * Patch by Stefan Roese, 4 Apr 2003:
6 - U-Boot version environment variable "ver" added
7 (CONFIG_VERSION_VARIABLE).
8 - Changed PPC405GPr version from A to B.
9 - Changed CPCI405 to use CTS instead of DSR on PPC405 UART1.
11 * Patch by Martin Winistoerfer, 23 Mar 2003
12 - Add port to MPC555/556 microcontrollers
13 - Add support for cmi customer board with
14 Intel 28F128J3A, 28F320J3A or 28F640J3A flash.
16 * Patch by Rick Bronson, 28 Mar 2003:
17 - fix common/cmd_nand.c
19 * Patch by Arun Dharankar, 24 Mar 2003:
20 - add threads / scheduler example code
22 * Add patches by Robert Schwebel, 31 Mar 2003:
23 - add ctrl-c support for kermit download
24 - align bdinfo output on ARM
26 * Add CPU ID, version, and clock speed for INCA-IP
28 * Patches by Dave Ellis, 18 Mar 2003 for SXNI855T board:
29 - fix SRAM and SDRAM memory sizing
30 - add status LED support
31 - add MAC address for second (SCC1) ethernet port
33 * Update default environment for TQM8260 board
35 * Patch by Rick Bronson, 16 Mar 2003:
36 - Add NAND flash support for reading, writing, and erasing NAND
37 flash (certain forms of which are called SmartMedia).
38 - Add support for Atmel AT91RM9200DK ARM920T based development kit.
40 * Patches by Robert Schwebel, 19 Mar 2003:
41 - use arm-linux-gcc as default compiler for ARM
43 - fix missing baudrate setting
44 - added $loadaddr / CFG_LOAD_ADDR support to loadb
45 - moved "ignoring trailing characters" _before_ u-boot wants to
46 print out diagnostics messages; removes bogus characters at the
49 * Patch by John Zhan, 18 Mar 2003:
50 Add support for SinoVee Microsystems SC8xx boards
52 * Patch by Rolf Offermanns, 21 Mar 2003:
53 ported the dnp1110 related changes from the current armboot cvs to
54 current u-boot cvs. smc91111 does not work. problem marked in
55 smc91111.c, grep for "FIXME".
57 * Patch by Brian Auld, 25 Mar 2003:
58 Add support for STM flash chips on ebony board
60 * Add PCI support for MPC8250 Boards (PM825 module)
62 * Patch by Stefan Roese, 25 Mar 2003:
65 * Patch by Stefan Roese, 20 Mar 2003:
66 - CPCI4052 update (support for revision 3).
67 - Set edge conditioning circuitry on PPC405GPr for compatibility
68 to existing PPC405GP designs.
69 - Clip udiv to 5 bits on PPC405 (serial.c).
71 * Extend INCAIP board support:
72 - add automatic RAM size detection
73 - add "bdinfo" command
74 - pass flash address and size to Linux kernel
75 - switch to 150 MHz clock
77 * Avoid flicker on the TRAB's VFD by synchronizing the enable with
78 the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
79 boards, version 153 for Rev. 200 boards).
81 * Patch by Vladimir Gurevich, 12 Mar 2003:
82 Fix relocation problem of statically initialized string pointers
85 * Patch by Kai-Uwe Blöm, 12 Mar 2003:
86 Cleanup & bug fixes for JFFS2 code:
87 - the memory mangement was broken. It caused havoc on malloc by
88 writing beyond the block boundaries.
89 - the length calculation for files was wrong, sometimes resulting
91 - data copying now optionally takes fragment version numbers into
92 account, to avoid copying from older data.
93 See doc/README.JFFS2 for details.
95 * Patch by Josef Wagner, 12 Mar 2003:
96 - 16/32 MB and 50/80 MHz support with auto-detection for IP860
97 - ETH05 and BEDBUG support for CU824
98 - added support for MicroSys CPC45
99 - new BOOTROM/FLASH0 and DOC base for PM826
101 * Patch by Robert Schwebel, 12 Mar 2003:
102 Fix the chpart command on innokom board
105 mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
106 s/PPCBoot/U-Boot/ in some files
107 s/pImage/uImage/ in some files
109 * Patch by Detlev Zundel, 15 Jan 2003:
110 Fix '' command line quoting
112 * Patch by The LEOX team, 19 Jan 2003:
113 - add support for the ELPT860 board
114 - add support for Dallas ds164x RTC
116 * Patches by David Müller, 31 Jan 2003:
117 - minimal setup for CardBus bridges
118 - add EEPROM read/write support in the CS8900 driver
119 - add support for the builtin I2C controller in the Samsung s3c24x0 chips
120 - add support for MPL's VCMA9 (Samsung s3c2410 based) board
122 * Patch by Steven Scholz, 04 Feb 2003:
123 add support for RTC DS1307
125 * Patch by Reinhard Meyer, 5 Feb 2003:
126 fix PLPRCR/SCCR init sequence on 8xx to allow for
127 changes of EBDF by software
129 * Patch by Vladimir Gurevich, 07 Feb 2003:
130 "API-compatibility patch" for 4xx I2C driver
132 * TRAB fixes / extensions:
133 - Restore VFD brightness as saved in environment
134 - add support for FGujitsu flashes
135 - make sure both buzzers are turned off (drive low level)
137 * Patches by Robert Schwebel, 06 Mar 2003:
138 - fix bug in BOOTP code (must use NetCopyIP)
139 - update of CSB226 port
140 - clear BSS segment on XScale
141 - added support for i2c_init_board() function
142 - update to the Innokom plattform
144 * Extend support for redundand environments for configurations where
145 environment size < sector size
147 * Patch by Rune Torgersen, 13 Feb 2003:
148 Add support for Motorola MPC8266ADS board
150 * Patch by Kyle Harris, 19 Feb 2003:
151 patches for the Intel lubbock board:
152 memsetup.S - general cleanup (based on Robert's csb226 code)
153 flash.c - overhaul, actually works now
154 lubbock.c - fix init funcs to return proper value
156 * Patch by Kenneth Johansson, 26 Feb 2003:
157 - Fixed off by one in RFTA calculation.
158 - No need to abort when LDF is lower than we can program it's only
159 minimum timing so clamp it to what we can do.
160 - Takes function pointer to function for reading the spd_nvram. Usefull
161 for faking data or hardcode a module without the nvram.
162 - fix other user for above change
165 * Patches by Brian Waite, 26 Feb 2003:
166 - fix port for evb64260 board
167 - fix PCI for evb64260 board
170 * Patch by Reinhard Meyer, 1 Mar 2003:
171 Add support for EMK TOP860 Module
173 * Patch by Yuli Barcohen, 02 Mar 2003:
174 Add SPD EEPROM support for MPC8260ADS board
176 * Patch by Robert Schwebel, 21 Jan 2003:
177 - Add support for Innokom board
178 - Don't complain if "install" fails
179 - README cleanup (remove duplicated lines)
180 - Update PXA header files
182 * Add documentation for existing POST code (doc/README.POST)
184 * Patch by Laudney Ren, 15 Jan 2003:
185 Fix handling of redundand environment in "tools/envcrc.c"
187 * Patch by Detlev Zundel, 28 Feb 2003:
188 Add bedbug support for 824x systems
190 * Add support for 16 MB flash configuration of TRAB board
192 * Patch by Erwin Rol, 27 Feb 2003:
193 Add support for RTEMS
195 * Add image information to README
197 * Patch by Stefan Roese, 18 Feb 2003:
198 CPCIISER4 configuration updated.
200 * Patch by Stefan Roese, 17 Feb 2003:
201 Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
203 * Patch by Stefan Roese, 13 Feb 2003:
204 Add "pcidelay" environment variable (in ms, enabled via
205 CONFIG_PCI_BOOTDELAY).
206 PCI spec 2.2 defines, that a pci target has 2^25 pci clocks after
207 RST# to respond to configuration cycles (33MHz -> 1s).
209 * Fix dual PCMCIA slot support (when running with just one
212 * Add VFD type detection to trab board
214 * extend drivers/cs8900.c driver to synchronize ethaddr environment
215 variable with value in the EEPROM
217 * Patch by Stefan Roese, 10 Feb 2003:
218 Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
220 * Add support for MIPS32 4Kc CPUs
222 * Add support for INCA-IP Board
224 ======================================================================
225 Changes for U-Boot 0.2.2:
226 ======================================================================
228 * Add dual ethernet support on PM826
230 * Add support for LXT971 PHY on PM826
232 * Patch by Tord Andersson, 16 Jan 2003:
233 Fix flash sector count for TQM8xxL
235 * Fix I2C EEPROM problem on ICU862 board (would only write the first
236 16 bytes out of each 32 byte block)
238 ======================================================================
239 Changes for U-Boot 0.2.1:
240 ======================================================================
242 * Add support for V37 board
243 (patch by Jón Benediktsson, 11 Dec 2002)
245 * Update baudrate in bd_info when it gets changed
247 * Add watchdog trigger points while waiting for serial port
248 (so far only 8xx -- needed on LWMON with 100ms watchdog)
250 * Improve command line tool to access the U-Boot's environment
251 (figuration of the utility, using a config file)
253 * Add single quote support for (old) command line parser
255 * Switch LWMON board default config from FRAM to EEPROM;
256 in POST, EEPROM shows up on 8 addresses
258 ======================================================================
259 Changes for U-Boot 0.2.0:
260 ======================================================================
262 * Use 1-byte-read instead of -write for iprobe() function
263 Add i2c commands to PM826 config
265 * extend I2C POST code: check for list on known addresses
267 * Improve log buffer code; use "loglevel" to decide which messages
268 to log on the console, too (like in Linux); get rid of "logstart"
270 * Add command line tool to access the U-Boot's environment
271 (board-specific for TRAB now, to be fixed later)
273 * Patch by Hans-Joerg Frieden, 06 Dec 2002
274 Fix misc problems with AmigaOne support
276 * Patch by Chris Hallinan, 3 Dec 2002:
277 minor cleanup to the MPC8245 EPIC driver
279 * Patch by Pierre Aubert , 28 Nov 2002
280 Add support for external (SIU) interrupts on MPC8xx
282 * Patch by Pierre Aubert , 28 Nov 2002
283 Fix nested syscalls bug in standalone applications
285 * Patch by David Müller, 27 Nov 2002:
286 fix output of "pciinfo" command for CardBus bridge devices.
288 * Fix bug in TQM8260 board detection - boards got stuck when board ID
291 * Add LED indication for IDE activity on KUP4K board
293 * Fix startup problems with VFD display on TRAB
295 * Patch by Pierre Aubert, 20 Nov 2002
296 Add driver for Epson SED13806 graphic controller.
297 Add support for BMP logos in cfb_console driver.
299 * Added support for both PCMCIA slots (at the same time!) on MPC8xx
301 * Patch by Rod Boyce, 21 Nov 2002:
302 fix PCMCIA on MBX8xx board
304 * Patch by Pierre Aubert , 21 Nov 2002
305 Add CFG_CPM_POST_WORD_ADDR to make the offset of the
306 bootmode word in DPRAM configurable
308 * Patch by Daniel Engström, 18 Nov 2002:
309 Fixes for x86 port (mostly strings issues)
311 * Patch by Ken Chou, 18 Nov 2002:
312 Fix for natsemi NIC cards (DP83815)
314 * Patch by Pierre Aubert, 19 Nov 2002:
315 fix a bug for the MII configuration, and some warnings
317 * Patch by Thomas Frieden, 13 Nov 2002:
318 Add code for AmigaOne board
319 (preliminary merge to U-Boot, still WIP)
321 * Patch by Jon Diekema, 12 Nov 2002:
322 - Adding URL for IEEE OUI lookup
323 - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
325 - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
326 root-on-nfs macros are designed to switch how the default boot
329 * Patch by Daniel Engström, 13 Nov 2002:
330 Add support for i386 architecture and AMD SC520 board
332 * Patch by Pierre Aubert, 12 Nov 2002:
333 Add support for DOS filesystem and booting from DOS floppy disk
335 * Patch by Jim Sandoz, 07 Nov 2002:
336 Increase number of network RX buffers (PKTBUFSRX in
337 "include/net.h") for EEPRO100 based boards (especially SP8240)
338 which showed "Receiver is not ready" errors when U-Boot was
339 processing the receive buffers slower than the network controller
342 * Patch by Andreas Oberritter, 09 Nov 2002:
343 Change behaviour of NetLoop(): return -1 for errors, filesize
344 otherwise; return code 0 is valid an means no file loaded - in this
345 case the environment still gets updated!
347 * Patches by Jon Diekema, 9 Nov 2002:
348 - improve ADC/DAC clocking on the SACSng board to align
349 the failing edges of LRCLK and SCLK
350 - sbc8260 configuration tweaks
351 - add status LED support for 82xx systems
352 - wire sspi/sspo commands into command handler; improved error
354 - add timestamp support and alternate memory test to the
357 * Patch by Vince Husovsky, 7 Nov 2002:
358 Add "-n" to linker options to get rid of "Not enough room for
359 program headers" problem
361 * Patch by David Müller, 05 Nov 2002
362 Rename CONFIG_PLL_INPUT_FREQ to CONFIG_SYS_CLK_FREQ
363 so we can use an already existing name
365 * Patch by Pierre Aubert, 05 Nov 2002
366 Hardware relatied improvments in FDC boot code
368 * Patch by Holger Schurig, 5 Nov 2002:
369 Make the PXA really change it's frequency
371 * Patch by Pierre Aubert, 05 Nov 2002
372 Add support for slave serial Spartan 2 FPGAs
374 * Fix uninitialized memory (MAC address) in 8xx SCC/FEC ethernet
377 * Add support for log buffer which can be passed to Linux kernel's
378 syslog mechanism; used especially for POST results.
380 * Patch by Klaus Heydeck, 31 Oct 2002:
381 Add initial support for kup4k board
383 * Patch by Robert Schwebel, 04 Nov 2002:
384 - use watchdog to reset PXA250 systems
385 - added progress callbacks to (some of the) ARM code
386 - update for Cogent CSB226 board
388 * Add support for FPS860 board
390 * Patch by Guillaume Alexandre,, 04 Nov 2002:
391 Improve PCI access on 32-bits Compact PCI bus
393 * Fix mdelay() on TRAB - this was still the debugging version with
394 seconds instead of ms.
396 * Patch by Robert Schwebel, 1 Nov 2002:
397 XScale related cleanup (affects all ARM boards)
399 * Cleanup of names and README.
401 ======================================================================
402 Notes for U-Boot 0.1.0:
403 ======================================================================
405 This is the initial version of "Das U-Boot", the Universal Boot Loader.
407 It is based on version 2.0.0 (the "Halloween Release") of PPCBoot.
408 For information about the history of the project please see the
409 PPCBoot project page at http://sourceforge.net/projects/ppcboot
411 ======================================================================