1 ======================================================================
2 Changes since U-Boot 0.2.2:
3 ======================================================================
5 * Avoid flicker on the TRAB's VFD by synchronizing the enable with
6 the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
7 boards, version 153 for Rev. 200 boards).
9 * Patch by Vladimir Gurevich, 12 Mar 2003:
10 Fix relocation problem of statically initialized string pointers
13 * Patch by Kai-Uwe Blöm, 12 Mar 2003:
14 Cleanup & bug fixes for JFFS2 code:
15 - the memory mangement was broken. It caused havoc on malloc by
16 writing beyond the block boundaries.
17 - the length calculation for files was wrong, sometimes resulting
19 - data copying now optionally takes fragment version numbers into
20 account, to avoid copying from older data.
21 See doc/README.JFFS2 for details.
23 * Patch by Josef Wagner, 12 Mar 2003:
24 - 16/32 MB and 50/80 MHz support with auto-detection for IP860
25 - ETH05 and BEDBUG support for CU824
26 - added support for MicroSys CPC45
27 - new BOOTROM/FLASH0 and DOC base for PM826
29 * Patch by Robert Schwebel, 12 Mar 2003:
30 Fix the chpart command on innokom board
33 mv include/asm-i386/ppcboot-i386.h include/asm-i386/u-boot-i386.h
34 s/PPCBoot/U-Boot/ in some files
35 s/pImage/uImage/ in some files
37 * Patch by Detlev Zundel, 15 Jan 2003:
38 Fix '' command line quoting
40 * Patch by The LEOX team, 19 Jan 2003:
41 - add support for the ELPT860 board
42 - add support for Dallas ds164x RTC
44 * Patches by David Müller, 31 Jan 2003:
45 - minimal setup for CardBus bridges
46 - add EEPROM read/write support in the CS8900 driver
47 - add support for the builtin I2C controller in the Samsung s3c24x0 chips
48 - add support for MPL's VCMA9 (Samsung s3c2410 based) board
50 * Patch by Steven Scholz, 04 Feb 2003:
51 add support for RTC DS1307
53 * Patch by Reinhard Meyer, 5 Feb 2003:
54 fix PLPRCR/SCCR init sequence on 8xx to allow for
55 changes of EBDF by software
57 * Patch by Vladimir Gurevich, 07 Feb 2003:
58 "API-compatibility patch" for 4xx I2C driver
60 * TRAB fixes / extensions:
61 - Restore VFD brightness as saved in environment
62 - add support for FGujitsu flashes
63 - make sure both buzzers are turned off (drive low level)
65 * Patches by Robert Schwebel, 06 Mar 2003:
66 - fix bug in BOOTP code (must use NetCopyIP)
67 - update of CSB226 port
68 - clear BSS segment on XScale
69 - added support for i2c_init_board() function
70 - update to the Innokom plattform
72 * Extend support for redundand environments for configurations where
73 environment size < sector size
75 * Patch by Rune Torgersen, 13 Feb 2003:
76 Add support for Motorola MPC8266ADS board
78 * Patch by Kyle Harris, 19 Feb 2003:
79 patches for the Intel lubbock board:
80 memsetup.S - general cleanup (based on Robert's csb226 code)
81 flash.c - overhaul, actually works now
82 lubbock.c - fix init funcs to return proper value
84 * Patch by Kenneth Johansson, 26 Feb 2003:
85 - Fixed off by one in RFTA calculation.
86 - No need to abort when LDF is lower than we can program it's only
87 minimum timing so clamp it to what we can do.
88 - Takes function pointer to function for reading the spd_nvram. Usefull
89 for faking data or hardcode a module without the nvram.
90 - fix other user for above change
93 * Patches by Brian Waite, 26 Feb 2003:
94 - fix port for evb64260 board
95 - fix PCI for evb64260 board
98 * Patch by Reinhard Meyer, 1 Mar 2003:
99 Add support for EMK TOP860 Module
101 * Patch by Yuli Barcohen, 02 Mar 2003:
102 Add SPD EEPROM support for MPC8260ADS board
104 * Patch by Robert Schwebel, 21 Jan 2003:
105 - Add support for Innokom board
106 - Don't complain if "install" fails
107 - README cleanup (remove duplicated lines)
108 - Update PXA header files
110 * Add documentation for existing POST code (doc/README.POST)
112 * Patch by Laudney Ren, 15 Jan 2003:
113 Fix handling of redundand environment in "tools/envcrc.c"
115 * Patch by Detlev Zundel, 28 Feb 2003:
116 Add bedbug support for 824x systems
118 * Add support for 16 MB flash configuration of TRAB board
120 * Patch by Erwin Rol, 27 Feb 2003:
121 Add support for RTEMS
123 * Add image information to README
125 * Patch by Stefan Roese, 18 Feb 2003:
126 CPCIISER4 configuration updated.
128 * Patch by Stefan Roese, 17 Feb 2003:
129 Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
131 * Patch by Stefan Roese, 13 Feb 2003:
132 Add "pcidelay" environment variable (in ms, enabled via
133 CONFIG_PCI_BOOTDELAY).
134 PCI spec 2.2 defines, that a pci target has 2^25 pci clocks after
135 RST# to respond to configuration cycles (33MHz -> 1s).
137 * Fix dual PCMCIA slot support (when running with just one
140 * Add VFD type detection to trab board
142 * extend drivers/cs8900.c driver to synchronize ethaddr environment
143 variable with value in the EEPROM
145 * Patch by Stefan Roese, 10 Feb 2003:
146 Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
148 ======================================================================
149 Changes for U-Boot 0.2.2:
150 ======================================================================
152 * Add dual ethernet support on PM826
154 * Add support for LXT971 PHY on PM826
156 * Patch by Tord Andersson, 16 Jan 2003:
157 Fix flash sector count for TQM8xxL
159 * Fix I2C EEPROM problem on ICU862 board (would only write the first
160 16 bytes out of each 32 byte block)
162 ======================================================================
163 Changes for U-Boot 0.2.1:
164 ======================================================================
166 * Add support for V37 board
167 (patch by Jón Benediktsson, 11 Dec 2002)
169 * Update baudrate in bd_info when it gets changed
171 * Add watchdog trigger points while waiting for serial port
172 (so far only 8xx -- needed on LWMON with 100ms watchdog)
174 * Improve command line tool to access the U-Boot's environment
175 (figuration of the utility, using a config file)
177 * Add single quote support for (old) command line parser
179 * Switch LWMON board default config from FRAM to EEPROM;
180 in POST, EEPROM shows up on 8 addresses
182 ======================================================================
183 Changes for U-Boot 0.2.0:
184 ======================================================================
186 * Use 1-byte-read instead of -write for iprobe() function
187 Add i2c commands to PM826 config
189 * extend I2C POST code: check for list on known addresses
191 * Improve log buffer code; use "loglevel" to decide which messages
192 to log on the console, too (like in Linux); get rid of "logstart"
194 * Add command line tool to access the U-Boot's environment
195 (board-specific for TRAB now, to be fixed later)
197 * Patch by Hans-Joerg Frieden, 06 Dec 2002
198 Fix misc problems with AmigaOne support
200 * Patch by Chris Hallinan, 3 Dec 2002:
201 minor cleanup to the MPC8245 EPIC driver
203 * Patch by Pierre Aubert , 28 Nov 2002
204 Add support for external (SIU) interrupts on MPC8xx
206 * Patch by Pierre Aubert , 28 Nov 2002
207 Fix nested syscalls bug in standalone applications
209 * Patch by David Müller, 27 Nov 2002:
210 fix output of "pciinfo" command for CardBus bridge devices.
212 * Fix bug in TQM8260 board detection - boards got stuck when board ID
215 * Add LED indication for IDE activity on KUP4K board
217 * Fix startup problems with VFD display on TRAB
219 * Patch by Pierre Aubert, 20 Nov 2002
220 Add driver for Epson SED13806 graphic controller.
221 Add support for BMP logos in cfb_console driver.
223 * Added support for both PCMCIA slots (at the same time!) on MPC8xx
225 * Patch by Rod Boyce, 21 Nov 2002:
226 fix PCMCIA on MBX8xx board
228 * Patch by Pierre Aubert , 21 Nov 2002
229 Add CFG_CPM_POST_WORD_ADDR to make the offset of the
230 bootmode word in DPRAM configurable
232 * Patch by Daniel Engström, 18 Nov 2002:
233 Fixes for x86 port (mostly strings issues)
235 * Patch by Ken Chou, 18 Nov 2002:
236 Fix for natsemi NIC cards (DP83815)
238 * Patch by Pierre Aubert, 19 Nov 2002:
239 fix a bug for the MII configuration, and some warnings
241 * Patch by Thomas Frieden, 13 Nov 2002:
242 Add code for AmigaOne board
243 (preliminary merge to U-Boot, still WIP)
245 * Patch by Jon Diekema, 12 Nov 2002:
246 - Adding URL for IEEE OUI lookup
247 - Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
249 - In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
250 root-on-nfs macros are designed to switch how the default boot
253 * Patch by Daniel Engström, 13 Nov 2002:
254 Add support for i386 architecture and AMD SC520 board
256 * Patch by Pierre Aubert, 12 Nov 2002:
257 Add support for DOS filesystem and booting from DOS floppy disk
259 * Patch by Jim Sandoz, 07 Nov 2002:
260 Increase number of network RX buffers (PKTBUFSRX in
261 "include/net.h") for EEPRO100 based boards (especially SP8240)
262 which showed "Receiver is not ready" errors when U-Boot was
263 processing the receive buffers slower than the network controller
266 * Patch by Andreas Oberritter, 09 Nov 2002:
267 Change behaviour of NetLoop(): return -1 for errors, filesize
268 otherwise; return code 0 is valid an means no file loaded - in this
269 case the environment still gets updated!
271 * Patches by Jon Diekema, 9 Nov 2002:
272 - improve ADC/DAC clocking on the SACSng board to align
273 the failing edges of LRCLK and SCLK
274 - sbc8260 configuration tweaks
275 - add status LED support for 82xx systems
276 - wire sspi/sspo commands into command handler; improved error
278 - add timestamp support and alternate memory test to the
281 * Patch by Vince Husovsky, 7 Nov 2002:
282 Add "-n" to linker options to get rid of "Not enough room for
283 program headers" problem
285 * Patch by David Müller, 05 Nov 2002
286 Rename CONFIG_PLL_INPUT_FREQ to CONFIG_SYS_CLK_FREQ
287 so we can use an already existing name
289 * Patch by Pierre Aubert, 05 Nov 2002
290 Hardware relatied improvments in FDC boot code
292 * Patch by Holger Schurig, 5 Nov 2002:
293 Make the PXA really change it's frequency
295 * Patch by Pierre Aubert, 05 Nov 2002
296 Add support for slave serial Spartan 2 FPGAs
298 * Fix uninitialized memory (MAC address) in 8xx SCC/FEC ethernet
301 * Add support for log buffer which can be passed to Linux kernel's
302 syslog mechanism; used especially for POST results.
304 * Patch by Klaus Heydeck, 31 Oct 2002:
305 Add initial support for kup4k board
307 * Patch by Robert Schwebel, 04 Nov 2002:
308 - use watchdog to reset PXA250 systems
309 - added progress callbacks to (some of the) ARM code
310 - update for Cogent CSB226 board
312 * Add support for FPS860 board
314 * Patch by Guillaume Alexandre,, 04 Nov 2002:
315 Improve PCI access on 32-bits Compact PCI bus
317 * Fix mdelay() on TRAB - this was still the debugging version with
318 seconds instead of ms.
320 * Patch by Robert Schwebel, 1 Nov 2002:
321 XScale related cleanup (affects all ARM boards)
323 * Cleanup of names and README.
325 ======================================================================
326 Notes for U-Boot 0.1.0:
327 ======================================================================
329 This is the initial version of "Das U-Boot", the Universal Boot Loader.
331 It is based on version 2.0.0 (the "Halloween Release") of PPCBoot.
332 For information about the history of the project please see the
333 PPCBoot project page at http://sourceforge.net/projects/ppcboot
335 ======================================================================