1 ======================================================================
2 Changes since U-Boot 0.2.2:
3 ======================================================================
5 * Add PCI support for MPC8250 Boards (PM825 module)
7 * Patch by Stefan Roese, 25 Mar 2003:
10 * Patch by Stefan Roese, 20 Mar 2003:
11 - CPCI4052 update (support for revision 3).
12 - Set edge conditioning circuitry on PPC405GPr for compatibility
13 to existing PPC405GP designs.
14 - Clip udiv to 5 bits on PPC405 (serial.c).
16 * Avoid flicker on the TRAB's VFD by synchronizing the enable with
17 the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
18 boards, version 153 for Rev. 200 boards).
20 * Patch by Vladimir Gurevich, 12 Mar 2003:
21 Fix relocation problem of statically initialized string pointers
24 * Patch by Kai-Uwe Blöm, 12 Mar 2003:
25 Cleanup & bug fixes for JFFS2 code:
26 - the memory mangement was broken. It caused havoc on malloc by
27 writing beyond the block boundaries.
28 - the length calculation for files was wrong, sometimes resulting
30 - data copying now optionally takes fragment version numbers into
31 account, to avoid copying from older data.
32 See doc/README.JFFS2 for details.
34 * Patch by Josef Wagner, 12 Mar 2003:
35 - 16/32 MB and 50/80 MHz support with auto-detection for IP860
36 - ETH05 and BEDBUG support for CU824
37 - added support for MicroSys CPC45
38 - new BOOTROM/FLASH0 and DOC base for PM826
40 * Patch by Robert Schwebel, 12 Mar 2003:
41 Fix the chpart command on innokom board
44 mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
45 s/PPCBoot/U-Boot/ in some files
46 s/pImage/uImage/ in some files
48 * Patch by Detlev Zundel, 15 Jan 2003:
49 Fix '' command line quoting
51 * Patch by The LEOX team, 19 Jan 2003:
52 - add support for the ELPT860 board
53 - add support for Dallas ds164x RTC
55 * Patches by David Müller, 31 Jan 2003:
56 - minimal setup for CardBus bridges
57 - add EEPROM read/write support in the CS8900 driver
58 - add support for the builtin I2C controller in the Samsung s3c24x0 chips
59 - add support for MPL's VCMA9 (Samsung s3c2410 based) board
61 * Patch by Steven Scholz, 04 Feb 2003:
62 add support for RTC DS1307
64 * Patch by Reinhard Meyer, 5 Feb 2003:
65 fix PLPRCR/SCCR init sequence on 8xx to allow for
66 changes of EBDF by software
68 * Patch by Vladimir Gurevich, 07 Feb 2003:
69 "API-compatibility patch" for 4xx I2C driver
71 * TRAB fixes / extensions:
72 - Restore VFD brightness as saved in environment
73 - add support for FGujitsu flashes
74 - make sure both buzzers are turned off (drive low level)
76 * Patches by Robert Schwebel, 06 Mar 2003:
77 - fix bug in BOOTP code (must use NetCopyIP)
78 - update of CSB226 port
79 - clear BSS segment on XScale
80 - added support for i2c_init_board() function
81 - update to the Innokom plattform
83 * Extend support for redundand environments for configurations where
84 environment size < sector size
86 * Patch by Rune Torgersen, 13 Feb 2003:
87 Add support for Motorola MPC8266ADS board
89 * Patch by Kyle Harris, 19 Feb 2003:
90 patches for the Intel lubbock board:
91 memsetup.S - general cleanup (based on Robert's csb226 code)
92 flash.c - overhaul, actually works now
93 lubbock.c - fix init funcs to return proper value
95 * Patch by Kenneth Johansson, 26 Feb 2003:
96 - Fixed off by one in RFTA calculation.
97 - No need to abort when LDF is lower than we can program it's only
98 minimum timing so clamp it to what we can do.
99 - Takes function pointer to function for reading the spd_nvram. Usefull
100 for faking data or hardcode a module without the nvram.
101 - fix other user for above change
104 * Patches by Brian Waite, 26 Feb 2003:
105 - fix port for evb64260 board
106 - fix PCI for evb64260 board
109 * Patch by Reinhard Meyer, 1 Mar 2003:
110 Add support for EMK TOP860 Module
112 * Patch by Yuli Barcohen, 02 Mar 2003:
113 Add SPD EEPROM support for MPC8260ADS board
115 * Patch by Robert Schwebel, 21 Jan 2003:
116 - Add support for Innokom board
117 - Don't complain if "install" fails
118 - README cleanup (remove duplicated lines)
119 - Update PXA header files
121 * Add documentation for existing POST code (doc/README.POST)
123 * Patch by Laudney Ren, 15 Jan 2003:
124 Fix handling of redundand environment in "tools/envcrc.c"
126 * Patch by Detlev Zundel, 28 Feb 2003:
127 Add bedbug support for 824x systems
129 * Add support for 16 MB flash configuration of TRAB board
131 * Patch by Erwin Rol, 27 Feb 2003:
132 Add support for RTEMS
134 * Add image information to README
136 * Patch by Stefan Roese, 18 Feb 2003:
137 CPCIISER4 configuration updated.
139 * Patch by Stefan Roese, 17 Feb 2003:
140 Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
142 * Patch by Stefan Roese, 13 Feb 2003:
143 Add "pcidelay" environment variable (in ms, enabled via
144 CONFIG_PCI_BOOTDELAY).
145 PCI spec 2.2 defines, that a pci target has 2^25 pci clocks after
146 RST# to respond to configuration cycles (33MHz -> 1s).
148 * Fix dual PCMCIA slot support (when running with just one
151 * Add VFD type detection to trab board
153 * extend drivers/cs8900.c driver to synchronize ethaddr environment
154 variable with value in the EEPROM
156 * Patch by Stefan Roese, 10 Feb 2003:
157 Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
159 ======================================================================
160 Changes for U-Boot 0.2.2:
161 ======================================================================
163 * Add dual ethernet support on PM826
165 * Add support for LXT971 PHY on PM826
167 * Patch by Tord Andersson, 16 Jan 2003:
168 Fix flash sector count for TQM8xxL
170 * Fix I2C EEPROM problem on ICU862 board (would only write the first
171 16 bytes out of each 32 byte block)
173 ======================================================================
174 Changes for U-Boot 0.2.1:
175 ======================================================================
177 * Add support for V37 board
178 (patch by Jón Benediktsson, 11 Dec 2002)
180 * Update baudrate in bd_info when it gets changed
182 * Add watchdog trigger points while waiting for serial port
183 (so far only 8xx -- needed on LWMON with 100ms watchdog)
185 * Improve command line tool to access the U-Boot's environment
186 (figuration of the utility, using a config file)
188 * Add single quote support for (old) command line parser
190 * Switch LWMON board default config from FRAM to EEPROM;
191 in POST, EEPROM shows up on 8 addresses
193 ======================================================================
194 Changes for U-Boot 0.2.0:
195 ======================================================================
197 * Use 1-byte-read instead of -write for iprobe() function
198 Add i2c commands to PM826 config
200 * extend I2C POST code: check for list on known addresses
202 * Improve log buffer code; use "loglevel" to decide which messages
203 to log on the console, too (like in Linux); get rid of "logstart"
205 * Add command line tool to access the U-Boot's environment
206 (board-specific for TRAB now, to be fixed later)
208 * Patch by Hans-Joerg Frieden, 06 Dec 2002
209 Fix misc problems with AmigaOne support
211 * Patch by Chris Hallinan, 3 Dec 2002:
212 minor cleanup to the MPC8245 EPIC driver
214 * Patch by Pierre Aubert , 28 Nov 2002
215 Add support for external (SIU) interrupts on MPC8xx
217 * Patch by Pierre Aubert , 28 Nov 2002
218 Fix nested syscalls bug in standalone applications
220 * Patch by David Müller, 27 Nov 2002:
221 fix output of "pciinfo" command for CardBus bridge devices.
223 * Fix bug in TQM8260 board detection - boards got stuck when board ID
226 * Add LED indication for IDE activity on KUP4K board
228 * Fix startup problems with VFD display on TRAB
230 * Patch by Pierre Aubert, 20 Nov 2002
231 Add driver for Epson SED13806 graphic controller.
232 Add support for BMP logos in cfb_console driver.
234 * Added support for both PCMCIA slots (at the same time!) on MPC8xx
236 * Patch by Rod Boyce, 21 Nov 2002:
237 fix PCMCIA on MBX8xx board
239 * Patch by Pierre Aubert , 21 Nov 2002
240 Add CFG_CPM_POST_WORD_ADDR to make the offset of the
241 bootmode word in DPRAM configurable
243 * Patch by Daniel Engström, 18 Nov 2002:
244 Fixes for x86 port (mostly strings issues)
246 * Patch by Ken Chou, 18 Nov 2002:
247 Fix for natsemi NIC cards (DP83815)
249 * Patch by Pierre Aubert, 19 Nov 2002:
250 fix a bug for the MII configuration, and some warnings
252 * Patch by Thomas Frieden, 13 Nov 2002:
253 Add code for AmigaOne board
254 (preliminary merge to U-Boot, still WIP)
256 * Patch by Jon Diekema, 12 Nov 2002:
257 - Adding URL for IEEE OUI lookup
258 - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
260 - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
261 root-on-nfs macros are designed to switch how the default boot
264 * Patch by Daniel Engström, 13 Nov 2002:
265 Add support for i386 architecture and AMD SC520 board
267 * Patch by Pierre Aubert, 12 Nov 2002:
268 Add support for DOS filesystem and booting from DOS floppy disk
270 * Patch by Jim Sandoz, 07 Nov 2002:
271 Increase number of network RX buffers (PKTBUFSRX in
272 "include/net.h") for EEPRO100 based boards (especially SP8240)
273 which showed "Receiver is not ready" errors when U-Boot was
274 processing the receive buffers slower than the network controller
277 * Patch by Andreas Oberritter, 09 Nov 2002:
278 Change behaviour of NetLoop(): return -1 for errors, filesize
279 otherwise; return code 0 is valid an means no file loaded - in this
280 case the environment still gets updated!
282 * Patches by Jon Diekema, 9 Nov 2002:
283 - improve ADC/DAC clocking on the SACSng board to align
284 the failing edges of LRCLK and SCLK
285 - sbc8260 configuration tweaks
286 - add status LED support for 82xx systems
287 - wire sspi/sspo commands into command handler; improved error
289 - add timestamp support and alternate memory test to the
292 * Patch by Vince Husovsky, 7 Nov 2002:
293 Add "-n" to linker options to get rid of "Not enough room for
294 program headers" problem
296 * Patch by David Müller, 05 Nov 2002
297 Rename CONFIG_PLL_INPUT_FREQ to CONFIG_SYS_CLK_FREQ
298 so we can use an already existing name
300 * Patch by Pierre Aubert, 05 Nov 2002
301 Hardware relatied improvments in FDC boot code
303 * Patch by Holger Schurig, 5 Nov 2002:
304 Make the PXA really change it's frequency
306 * Patch by Pierre Aubert, 05 Nov 2002
307 Add support for slave serial Spartan 2 FPGAs
309 * Fix uninitialized memory (MAC address) in 8xx SCC/FEC ethernet
312 * Add support for log buffer which can be passed to Linux kernel's
313 syslog mechanism; used especially for POST results.
315 * Patch by Klaus Heydeck, 31 Oct 2002:
316 Add initial support for kup4k board
318 * Patch by Robert Schwebel, 04 Nov 2002:
319 - use watchdog to reset PXA250 systems
320 - added progress callbacks to (some of the) ARM code
321 - update for Cogent CSB226 board
323 * Add support for FPS860 board
325 * Patch by Guillaume Alexandre,, 04 Nov 2002:
326 Improve PCI access on 32-bits Compact PCI bus
328 * Fix mdelay() on TRAB - this was still the debugging version with
329 seconds instead of ms.
331 * Patch by Robert Schwebel, 1 Nov 2002:
332 XScale related cleanup (affects all ARM boards)
334 * Cleanup of names and README.
336 ======================================================================
337 Notes for U-Boot 0.1.0:
338 ======================================================================
340 This is the initial version of "Das U-Boot", the Universal Boot Loader.
342 It is based on version 2.0.0 (the "Halloween Release") of PPCBoot.
343 For information about the history of the project please see the
344 PPCBoot project page at http://sourceforge.net/projects/ppcboot
346 ======================================================================