CHANGELOG

   1 ======================================================================
   2 Changes since U-Boot 0.2.2:
   3 ======================================================================
   4
   5 * Patch by Arun Dharankar, 24 Mar 2003:
   6   - add threads / scheduler example code
   7
   8 * Add patches by Robert Schwebel, 31 Mar 2003:
   9   - add ctrl-c support for kermit download
  10   - align bdinfo output on ARM
  11
  12 * Add CPU ID, version, and clock speed for INCA-IP
  13
  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
  18
  19 * Update default environment for TQM8260 board
  20
  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.
  25
  26 * Patches by Robert Schwebel, 19 Mar 2003:
  27   - use arm-linux-gcc as default compiler for ARM
  28   - fix i2c fixup code
  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
  33     end of transmission
  34
  35 * Patch by John Zhan, 18 Mar 2003:
  36   Add support for SinoVee Microsystems SC8xx boards
  37
  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".
  42
  43 * Patch by Brian Auld, 25 Mar 2003:
  44   Add support for STM flash chips on ebony board
  45
  46 * Add PCI support for MPC8250 Boards (PM825 module)
  47
  48 * Patch by Stefan Roese, 25 Mar 2003:
  49   - PCI405 update.
  50
  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).
  56
  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
  62
  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).
  66
  67 * Patch by Vladimir Gurevich, 12 Mar 2003:
  68   Fix relocation problem of statically initialized string pointers
  69   in common/cmd_pci.c
  70
  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
  76     in short file reads.
  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.
  80
  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
  86
  87 * Patch by Robert Schwebel, 12 Mar 2003:
  88   Fix the chpart command on innokom board
  89
  90 * Name cleanup:
  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
  94
  95 * Patch by Detlev Zundel, 15 Jan 2003:
  96   Fix '' command line quoting
  97
  98 * Patch by The LEOX team, 19 Jan 2003:
  99   - add support for the ELPT860 board
 100   - add support for Dallas ds164x RTC
 101
 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
 107
 108 * Patch by Steven Scholz, 04 Feb 2003:
 109   add support for RTC DS1307
 110
 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
 114
 115 * Patch by Vladimir Gurevich, 07 Feb 2003:
 116   "API-compatibility patch" for 4xx I2C driver
 117
 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)
 122
 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
 129
 130 * Extend support for redundand environments for configurations where
 131   environment size < sector size
 132
 133 * Patch by Rune Torgersen, 13 Feb 2003:
 134   Add support for Motorola MPC8266ADS board
 135
 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
 141
 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
 149   - fix some comments.
 150
 151 * Patches by Brian Waite, 26 Feb 2003:
 152   - fix port for evb64260 board
 153   - fix PCI for evb64260 board
 154   - fix PCI scan
 155
 156 * Patch by Reinhard Meyer, 1 Mar 2003:
 157   Add support for EMK TOP860 Module
 158
 159 * Patch by Yuli Barcohen, 02 Mar 2003:
 160   Add SPD EEPROM support for MPC8260ADS board
 161
 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
 167
 168 * Add documentation for existing POST code (doc/README.POST)
 169
 170 * Patch by Laudney Ren, 15 Jan 2003:
 171   Fix handling of redundand environment in "tools/envcrc.c"
 172
 173 * Patch by Detlev Zundel, 28 Feb 2003:
 174   Add bedbug support for 824x systems
 175
 176 * Add support for 16 MB flash configuration of TRAB board
 177
 178 * Patch by Erwin Rol, 27 Feb 2003:
 179   Add support for RTEMS
 180
 181 * Add image information to README
 182
 183 * Patch by Stefan Roese, 18 Feb 2003:
 184   CPCIISER4 configuration updated.
 185
 186 * Patch by Stefan Roese, 17 Feb 2003:
 187   Fixed bug in ext. serial clock setup on PPC405 (since PPC440 port).
 188
 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).
 194
 195 * Fix dual PCMCIA slot support (when running with just one
 196   slot populated)
 197
 198 * Add VFD type detection to trab board
 199
 200 * extend drivers/cs8900.c driver to synchronize  ethaddr  environment
 201   variable with value in the EEPROM
 202
 203 * Patch by Stefan Roese, 10 Feb 2003:
 204   Add support for 4MB and 128MB onboard SDRAM (cpu/ppc4xx/sdram.c)
 205
 206 * Add support for MIPS32 4Kc CPUs
 207
 208 * Add support for INCA-IP Board
 209
 210 ======================================================================
 211 Changes for U-Boot 0.2.2:
 212 ======================================================================
 213
 214 * Add dual ethernet support on PM826
 215
 216 * Add support for LXT971 PHY on PM826
 217
 218 * Patch by Tord Andersson, 16 Jan 2003:
 219   Fix flash sector count for TQM8xxL
 220
 221 * Fix I2C EEPROM problem on ICU862 board (would only write the first
 222   16 bytes out of each 32 byte block)
 223
 224 ======================================================================
 225 Changes for U-Boot 0.2.1:
 226 ======================================================================
 227
 228 * Add support for V37 board
 229   (patch by Jón Benediktsson, 11 Dec 2002)
 230
 231 * Update baudrate in bd_info when it gets changed
 232
 233 * Add watchdog trigger points while waiting for serial port
 234   (so far only 8xx -- needed on LWMON with 100ms watchdog)
 235
 236 * Improve command line tool to access the U-Boot's environment
 237   (figuration of the utility, using a config file)
 238
 239 * Add single quote support for (old) command line parser
 240
 241 * Switch LWMON board default config from FRAM to EEPROM;
 242   in POST, EEPROM shows up on 8 addresses
 243
 244 ======================================================================
 245 Changes for U-Boot 0.2.0:
 246 ======================================================================
 247
 248 * Use 1-byte-read instead of -write for iprobe() function
 249   Add i2c commands to PM826 config
 250
 251 * extend I2C POST code: check for list on known addresses
 252
 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"
 255
 256 * Add command line tool to access the U-Boot's environment
 257   (board-specific for TRAB now, to be fixed later)
 258
 259 * Patch by Hans-Joerg Frieden, 06 Dec 2002
 260   Fix misc problems with AmigaOne support
 261
 262 * Patch by Chris Hallinan, 3 Dec 2002:
 263   minor cleanup to the MPC8245 EPIC driver
 264
 265 * Patch by Pierre Aubert , 28 Nov 2002
 266   Add support for external (SIU) interrupts on MPC8xx
 267
 268 * Patch by Pierre Aubert , 28 Nov 2002
 269   Fix nested syscalls bug in standalone applications
 270
 271 * Patch by David Müller, 27 Nov 2002:
 272   fix output of "pciinfo" command for CardBus bridge devices.
 273
 274 * Fix bug in TQM8260 board detection - boards got stuck when board ID
 275   was not readable
 276
 277 * Add LED indication for IDE activity on KUP4K board
 278
 279 * Fix startup problems with VFD display on TRAB
 280
 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.
 284
 285 * Added support for both PCMCIA slots (at the same time!) on MPC8xx
 286
 287 * Patch by Rod Boyce, 21 Nov 2002:
 288   fix PCMCIA on MBX8xx board
 289
 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
 293
 294 * Patch by Daniel Engström, 18 Nov 2002:
 295   Fixes for x86 port (mostly strings issues)
 296
 297 * Patch by Ken Chou, 18 Nov 2002:
 298   Fix for natsemi NIC cards (DP83815)
 299
 300 * Patch by Pierre Aubert, 19 Nov 2002:
 301   fix a bug for the MII configuration, and some warnings
 302
 303 * Patch by Thomas Frieden, 13 Nov 2002:
 304   Add code for AmigaOne board
 305   (preliminary merge to U-Boot, still WIP)
 306
 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
 310     being defined.
 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
 313     method gets defined.
 314
 315 * Patch by Daniel Engström, 13 Nov 2002:
 316   Add support for i386 architecture and AMD SC520 board
 317
 318 * Patch by Pierre Aubert, 12 Nov 2002:
 319   Add support for DOS filesystem and booting from DOS floppy disk
 320
 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
 326   was filling them.
 327
 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!
 332
 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
 339     handlering
 340   - add timestamp support and alternate memory test to the
 341     SACSng configuration
 342
 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
 346
 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
 350
 351 * Patch by Pierre Aubert, 05 Nov 2002
 352   Hardware relatied improvments in FDC boot code
 353
 354 * Patch by Holger Schurig, 5 Nov 2002:
 355   Make the PXA really change it's frequency
 356
 357 * Patch by Pierre Aubert, 05 Nov 2002
 358   Add support for slave serial Spartan 2 FPGAs
 359
 360 * Fix uninitialized memory (MAC  address)  in  8xx  SCC/FEC  ethernet
 361   drivers
 362
 363 * Add support for log buffer which can be passed to Linux kernel's
 364   syslog mechanism; used especially for POST results.
 365
 366 * Patch by Klaus Heydeck, 31 Oct 2002:
 367   Add initial support for kup4k board
 368
 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
 373
 374 * Add support for FPS860 board
 375
 376 * Patch by Guillaume Alexandre,, 04 Nov 2002:
 377   Improve PCI access on 32-bits Compact PCI bus
 378
 379 * Fix mdelay() on TRAB - this was still the debugging version with
 380   seconds instead of ms.
 381
 382 * Patch by Robert Schwebel, 1 Nov 2002:
 383   XScale related cleanup (affects all ARM boards)
 384
 385 * Cleanup of names and README.
 386
 387 ======================================================================
 388 Notes for U-Boot 0.1.0:
 389 ======================================================================
 390
 391 This is the initial version of "Das U-Boot", the Universal Boot Loader.
 392
 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
 396
 397 ======================================================================