attempting to switch on USB on SX1 board.
* Patch by Josef Wagner, 18 Mar 2004:
- Add support for MicroSys XM250 board (PXA255)
- Add support for MicroSys PM828 board (MPC8280)
- Add support for 32 MB Flash on PM825/826
- new SDRAM refresh rate for PM825/PM826
- added support for MicroSys PM520 (MPC5200)
- replaced Query by Identify command in CPU86/flash.c
to support 28F160F3B
* Fix wrap around problem with udelay() on ARM920T
* Add support for Macronix flash on TRAB board
- Fix Gigabit Ethernet support for 440GX
- Add Gigabit Ethernet Support to MII PHY utilities
* Patch by Brad Kemp, 12 Mar 2004:
Fixes for drivers/cfi_flash.c:
- Better support for x8/x16 implementations
- Added failure for AMD chips attempting to use CFG_FLASH_USE_BUFFER_WRITE
- Added defines for AMD command and address constants
* Patch by Leon Kukovec, 12 Mar 2004:
Fix get_dentfromdir() to correctly handle deleted dentries
* Patch by George G. Davis, 11 Mar 2004:
Remove hard coded network settings in TI OMAP1610 H2
default board config
* Patch by George G. Davis, 11 Mar 2004:
add support for ADS GraphicsClient+ board.
- add bitmap command and splash screen support in cfb console
- add [optional] origin in the bitmap display command
* Patch by Travis Sawyer, 11 Mar 2004:
Fix ocotea board early init interrupt setup.
* Patch by Thomas Viehweger, 11 Mar 2004:
Remove redundand code; add PCI-specific bits to include/mpc8260.h
- Add support for the SSV ADNP/ESC1 (Nios Softcore)
* Patch by George G. Davis, 9 Mar 2004:
fix recent build failure for SA1100 target
* Patch by Travis Sawyer, 09 Mar 2004:
Support native interrupt mode for the IBM440GX.
Previously it was running in 440GP compatibility mode.
Added ARM Integrator AP, CP and Versatile PB926EJ-S Reference
Platform support.
* Patch by Masami Komiya, 08 Mar 2004:
Don't overwrite server IP address or boot file name
when the boot server does not return values
* Patch by listmember@orkun.us, 5 Mar 2004:
Removed compile time restriction on CFG_I2C_SPEED for DS1338 RTC
Fix early board initialization for Cogent CSB272 board
* Patch by Ed Okerson, 3 Mar 2004:
fix CFI flash writes for little endian systems
* Patch by Reinhard Meyer, 01 Mar 2004:
generalize USB and IDE support for MPC5200 with according
changes to IceCube.h and TOP5200.h
add Am29LV256 256 MBit FLASH support for TOP5200 boards
add info about USB and IDE to README
NS9750 DevBoard added
* Patch by Pierre AUBERT, 24 Feb 2004
add USB support for MPC5200
* Patch by Steven Scholz, 24 Feb 2004:
- fix MII commands to use values from last command
* Patch by Torsten Demke, 24 Feb 2004:
Add support for the eXalion platform (SPSW-8240, F-30, F-300)
Fixes for for OMAP1610 board:
- shift some IRQ specific code to platform.S file
- remove duplicatewatchdog reset code from start.S
* Make Auto-MDIX Support configurable on INCA-IP board
* Fix license for mkimage tool
Add support for the Xilinx ML300 platform
* Patch by Stephan Linz, 17 Feb 2004:
Fix watchdog support for NIOS
* Patch by Josh Fryman, 16 Feb 2004:
Fix byte-swapping for cfi_flash.c for different bus widths
* Patch by Jon Diekema, 14 Jeb 2004:
Remove duplicate "FPGA Support" notes from the README file
Add support for NET+50 CPU and ModNET50 board
* Patch by Sam Song, 10 Feb 2004:
Fix typos in cfi_flash.c
* Patch by Leon Kukovec, 10 Feb 2004
Fixed long dir entry slot id calculation in get_vfatname
* Patch by Robin Gilks, 10 Feb 2004:
add "itest" command (operators: -eq, -ne, -lt, -gt, -le, -ge, ==,
!=, <>, <, >, <=, >=)
o 440GX:
- Fix PCI Indirect access for type 1 config cycles with ppc440.
- Add phymode for 440 enet
- fix pci pre init
o XPedite1K:
- Change board_pre_init to board_early_init_f
- Add user flash to bus controller setup
- Fix pci pre init
- Fix is_pci_host to check GPIO for monarch bit
- Force xpedite1k to pci conventional mode (via #define option)
* Patch by Brad Kemp, 4 Feb 2004:
- handle the machine check that is generated during the PCI scans
on 82xx processors.
- define the registers used in the IMMR by the PCI subsystem.
* Patch by Pierre Aubert, 03 Feb 2004:
cpu/mpc5xxx/start.S: copy MBAR into SPR311
* Patch by Jeff Angielski, 03 Feb 2004:
Fix copy & paste error in cpu/mpc8260/pci.c
* Patch by Reinhard Meyer, 24 Jan 2004:
Fix typo in cpu/mpc5xxx/pci_mpc5200.c
Allow bzip2 compression for small memory footprint boards
* Patch by Brad Kemp, 21 Jan 2004:
Add support for CFI flash driver for both the Intel and the AMD
command sets.
* Patch by Travis Sawyer, 20 Jan 2004:
Fix pci bridge auto enumeration of sibling p2p bridges.
* Patch by Tolunay Orkun, 12 Jan 2004:
Add some delays as needed for Intel LXT971A PHY support
* Patches by Stephan Linz, 09 Jan 2004:
- avoid warning: unused variable `piop' in board/altera/common/sevenseg.c
- make DK1C20 board configuration related to ASMI conform to
documentation
before we can access it; add delay in case we are faster (with no
CF card inserted)
* Cleanup of some init functions
* Make sure SCC Ethernet is always stopped by the time we boot Linux
to avoid Linux crashes by early packets coming in.
* Accelerate flash accesses on LWMON board by using buffered writes
version of the repository???]
* Patch by Reinhard Meyer, 09 Jan 2004:
- add RTC support for MPC5200 based boards (requires RTC_XTAL)
* Add support for IDE LED on BMS2003 board
(exclusive with status LED!)
* Add support for PS/2 keyboard (used with PS/2 multiplexor on
BMS2003 board)
* Patches by Reinhard Meyer, 4 Jan 2004 + 7 Jan 2004:
Add common files for "emk" boards
- more documentation for NIOS port
- new struct nios_pio_t, struct nios_spi_t
- Reconfiguration for NIOS Development Kit DK1C20:
o move board related code from board/dk1c20
to board/altera/dk1c20
o create a new common source path board/altera/common
and move generic flash access stuff into it
o change/expand configuration file DK1C20.h
- Add support for NIOS Development Kit DK1S10
- Add status LED support for NIOS systems
- Add dual 7-segment LED support for Altera NIOS DevKits
- add support for the PATI board (MPC555)
- add SPI support for the MPC5xx
* Patch by Anders Larsen, 08 Dec 2003:
add configuration options CONFIG_SERIAL_TAG and CONFIG_REVISION_TAG
to pass ATAG_SERIAL and ATAG_REVISION, resp., to the ARM target;
cleanup some redundand #defines
fixes for Davicom DM9102A Ethernet Chip (#define CONFIG_TULIP_FIX_DAVICOM):
- TX and RX deskriptors must be quad-word aligned
- does not work with only one TX deskriptor
- standard reset method does not work
* Patch by Masami Komiya, 08 Dec 2003:
add RTL8139 ethernet driver
* Patches by Ed Okerson, 07 Dec 2003:
- fix ethernet for the AU1x00 processors in little-endian mode.
- extend memsetup.S for the AU1x00 processors in BE and LE modes
* Minor code cleanup (coding style)
* Patch by Reinhard Meyer, 30 Dec 2003:
- cpu/mpc5xxx/fec.c: added CONFIG_PHY_ADDR, added CONFIG_PHY_TYPE,
- added CONFIG_PHY_ADDR to include/configs/IceCube.h,
- turned debug print of PHY registers into a function (called in two places)
- added support for EMK MPC5200 based modules
* Fix MPC8xx PLPRCR_MFD_SHIFT typo
* Add support for TQM866M modules
* Fixes for TQM855M with 4 MB flash (Am29DL163 = _no_ mirror bit flash)
* Fix a few compiler warnings
- board/mpl/common/common_util.c
* implement support for BZIP2 compressed images
* various cleanups (printf -> puts, ...)
- board/mpl/common/flash.c
* report correct errors to upper layers
* check the erase fail and VPP low bits in status reg
- board/mpl/vcma9/cmd_vcma9.c
- board/mpl/vcma9/flash.c
* various cleanups (printf -> puts, ...)
- common/cmd_usb.c
* fix typo in comment
- cpu/arm920t/usb_ohci.c
* support for S3C2410 is missing in #if line
- drivers/cs8900.c
* reinit some registers in case of error (cable missing, ...)
- fs/fat/fat.c
* support for USB/MMC devices is missing in #if line
- include/configs/MIP405.h
- include/configs/PIP405.h
* enable BZIP2 support
* enlarge malloc space to 1MiB because of BZIP2 support
- include/configs/VCMA9.h
* enable BZIP2 support
* enlarge malloc space to 1MiB because of BZIP2 support
* enable USB support
- lib_arm/armlinux.c
* change calling convention of ARM Linux kernel as
described on http://www.arm.linux.org.uk/developer/booting.php
* Patch by Thomas Lange, 14 Nov 2003:
Split dbau1x00 into dbau1000, dbau1100 and dbau1500 configs to
support all these AMD boards.
* Patch by Thomas Lange, 14 Nov 2003:
Workaround for mips au1x00 physical memory accesses (the au1x00
uses a 36 bit bus internally and cannot access physical memory
directly. Use the uncached SDRAM address instead of the physical
one.)
add Realtek 8019 ethernet driver
* Patch by Yuli Barcohen, 13 Nov 2003:
MPC826xADS/PQ2FADS cleanup
* Patch by Anders Larsen, 12 Nov 2003:
Update README to mark the PORTIO commands non-standard
update for for Atmel AT91RM9200DK development kit:
- support for environment variables in DataFlash
- Atmel DataFlash AT45DB1282 support
* Patch by Jeff Carr, 11 Nov 2003:
add support for new version of 8270 processors
* Patches by George G. Davis, 05 Nov 2003:
- only pass the ARM linux initrd tag to the kernel when an initrd
is actually present
- update omap1510inn configuration file
- more endianess fixes for LAN91C111 driver
- CFG_HZ configuration patch for NIOS Cyclone board
* Patch by Stephan Linz, 28 Oct 2003:
fix PHY_INT_REG vs. PHY_MASK_REG bug in drivers/smc91111.c
* Patch by Steven Scholz, 20 Oct 2003:
- make "mii info <addr>" show infor for PHY at "addr" only
- Endian fix for miiphy_info()
Fix AT91RM9200 ethernet driver
* Patch by Nye Liu, 17 Oct 2003:
Fix typo in include/mpc8xx.h
* Patch by Richard Woodruff, 16 Oct 03:
Fixes for cpu/arm925/interrupt.c
- Initialize timestamp & lastdec vars.
- fix timestamp overflows.
- fix lastdec overflow.
- smarter normalization to allow udelay() below 1ms to work.
* Patch by Scott McNutt, 16 Oct
add networking support for the Altera Nios Development Kit,
Cyclone Edition (DK-1C20)
* Patch by Jon Diekema, 14 Oct 2003:
add hint about doc/README.silent to README file
- Added Motorola CPU 8540/8560 support (cpu/85xx)
- Added Motorola MPC8540ADS board support (board/mpc8540ads)
- Added Motorola MPC8560ADS board support (board/mpc8560ads)
* Minor code cleanup
fix pll_pci_to_mem_multiplier table for MPC8245
* Patch by Anders Larsen, 22 Sep 2003:
enable timed autoboot on PXA
* Patch by David Müller, 22 Sep 2003:
- add $(CFLAGS) to "-print-libgcc-filename" so compiler driver
returns correct libgcc file path
- "latency" reduction of busy-loop waiting to improve "U-Boot" boot
time on s3c24x0 systems
* Patch by Jon Diekema, 19 Sep 2003:
- Add CFG_FAULT_ECHO_LINK_DOWN option to echo the inverted Ethernet
link state to the fault LED.
- In NetLoop, make the Fault LED reflect the link status. The link
status gets updated on entry, and on timeouts.
Changed default memory option on MPC8266ADS to NOT be Page Based
Interleave, since this doesn't work very well with the standard
16MB DIMM
* Patch by George G. Davis, 12 Sep 2003:
fix Makefile settings for sk98 driver
* Add PCI support for SL8245 board
* Support IceCube board configurations with 1 x AMD AM29LV065 (8 MB)
or 1 x AM29LV652 (two LV065 in one chip = 16 MB);
Run IPB at 133 Mhz; adjust the MII clock frequency accordingly
* Set BRG_CLK on PM825/826 to 64MHz (VCO_OUT / 4, instead of 16 MHz)
to allow for more accurate baudrate settings
(error now 0.7% at 115 kbps, instead of 3.5% before)
* Patch by Andreas Mohr, 4 Sep 2003:
Fix a lot of spelling errors
fix TI Innovator/OMAP1510 pin configs
* Patches by Kshitij, 18 Aug 2003
- add support for arm926ejs cpu core
- add support for TI OMAP 1610 Innovator Board
allow selection of clock frequency as "make" target
* Implement memory autosizing code for IceCube boards
* Configure network port on INCA-IP for autonegotiation
* Fix overflow problem in network timeout code
* Patch by Richard Woodruff, 8 Aug 2003:
Allow crc32 to be used at address 0x000 (crc32_no_comp, too).
add delay to get I2C working with "imm" command and s3c24x0_i2c.c
* Patch by Richard Woodruff, 17 July 03:
- Fixed bug in OMAP1510 baud rate divisor settings.
* Patch by Nye Liu, 16 July 2003:
MPC860FADS fixes:
- add MPC86xADS support (uses MPC86xADS.h)
- add 866P/T core support (also MPC859T/MPC859DSL/MPC852T)
o PLPRCR changes
o BRG changes (EXTAL/XTAL restricted to 10MHz)
o don't trust gclk() software measurement by default, depend on
CONFIG_8xx_GCLK_FREQ
- add DRAM SIMM not installed detection
- use more "correct" SDRAM initialization sequence
- allow different SDRAM sizes (8xxADS has 8M)
- default DER is 0
- remove unused MAMR defines from FADS860T.h (all done in fads.c)
- rename MAMR/MBMR defines to be more consistent. Should eventually
be merged into MxMR to better reflect the PowerQUICC datasheet.
* Patch by Yuli Barcohen, 16 Jul 2003:
support new Motorola PQ2FADS-ZU evaluation board which replaced
MPC8260ADS and MPC8266ADS
- Correct flash and JFFS2 support for MPC8260ADS
- fix PVR values and clock generation for PowerQUICC II family
(8270/8275/8280)
* Patch by Bernhard Kuhn, 08 Jul 2003:
- add support for M68K targets
* Patch by Ken Chou, 3 Jul:
- Fix PCI config table for A3000
- Fix iobase for natsemi.c
(PCI_BASE_ADDRESS_0 is the IO base register for DP83815)
* Allow to enable "slow" POST routines by key press on power-on
* Fix temperature dependend switching of LCD backlight on LWMON
* Tweak output format for LWMON
- remove trailing white space, trailing empty lines, C++ comments, etc.
- split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)
* Patches by Kenneth Johansson, 25 Jun 2003:
- major rework of command structure
(work done mostly by Michal Cendrowski and Joakim Kristiansen)
- rewrite of the S3C24X0 register definitions stuff
- "driver" for the built-in S3C24X0 RTC
* Patches by Yuli Barcohen, 12 Jun 2003:
- Add MII support and Ethernet PHY initialization for MPC8260ADS board
- Fix incorrect SIUMCR initialisation caused by wrong Hard Reset
configuration word supplied by FPGA on some MPC8260ADS boards
* Patch by Pantelis Antoniou, 10 Jun 2003:
Unify status LED interface
Modifications for Atmel AT91RM9200DK ARM920T based development kit
- Add Atmel DataFlash support for reading and writing.
- Add possibility to boot a Linux from DataFlash with BOOTM command.
- Add Flash detection on Atmel AT91RM9200DK
(between Atmel AT49BV1614 and AT49BV1614A flashes)
- Replace old Ethernet PHY layer functions
- Change link address
* Patch by Frank Smith, 9 Jun 2003:
use CRIT_EXCEPTION for machine check on 4xx
* Patch by Detlev Zundel, 13 Jun 2003:
added implementation of the "carinfo" command in cmd_immap.c
- Added support for custom keyboards, initialized by defining a
board-specific drv_keyboard_init as well as defining CONFIG_KEYBOARD .
- Added support for the RBC823 board.
- cpu/mpc8xx/lcd.c now automatically calculates the
Horizontal Pixel Count field.
* Fix alignment problem in BOOTP (dhcp_leasetime option)
[pointed out by Nicolas Lacressonnière, 2 Jun 2003]
* Patch by Mark Rakes, 14 May 2003:
add support for Intel e1000 gig cards.
* Patch by Nye Liu, 3 Jun 2003:
fix critical typo in MAMR definition (include/mpc8xx.h)
* Fix requirement to align U-Boot image on 16 kB boundaries on PPC.
* Patch by Klaus Heydeck, 2 Jun 2003
Minor changes for KUP4K configuration
Fixed rarp boot method for IA32 and other little-endian CPUs.
* Patch by Marc Singer, 28 May 2003:
Added port I/O commands.
* Patch by Matthew McClintock, 28 May 2003
- cpu/mpc824x/start.S: fix relocation code when booting from RAM
- minor patches for utx8245
* Patch by Daniel Engström, 28 May 2003:
x86 update
* Patch by Dave Ellis, 9 May 2003 + 27 May 2003:
add nand flash support to SXNI855T configuration
fix/extend nand flash support:
- fix 'nand erase' command so does not erase bad blocks
- fix 'nand write' command so does not write to bad blocks
- fix nand_probe() so handles no flash detected properly
- add doc/README.nand
- add .jffs2 and .oob options to nand read/write
- add 'nand bad' command to list bad blocks
- add 'clean' option to 'nand erase' to write JFFS2 clean markers
- make NAND read/write faster
* Patch by Rune Torgersen, 23 May 2003:
Update for MPC8266ADS board
* Fix alignment problems with flash driver for TRAB board
* Patch by Donald White, 21 May 2003:
fix calculation of base address in pci_hose_config_device()
* Fix bug in command line parsing: "cmd1;cmd2" is supposed to always
execute "cmd2", even if "cmd1" fails. Note that this is different
to "run var1 var2" where the contents of "var2" will NOT be
executed when a command in "var1" fails.
Fix problem with only partially cleared .bss segment
* Patch by Rune Torgersen, 12 May 2003:
get PCI to work on a MPC8266ADS board; incorporate change to
cpu/mpc8260/pci.c to enable overrides of PCI memory parameters
Add IDMA example code (tested on 8260 only)
* Add support for Purple Board (MIPS64 5Kc)
* Add support for MIPS64 5Kc CPUs
* Fix missing setting of "loadaddr" and "bootfile" on ARM and MIPS
* Patch by Denis Peter, 04 Apr 2003:
- update MIP405-4 board
* Patches by Denis Peter, 03 April 2003:
- fix PCI IRQs on MPL boards
- fix two more un-relocated pointer problems
* Fix behaviour of "run" command:
- print error message iv variable does not exist
- terminate processing of arguments in case of error
* Patches by Peter Figuli, 10 Mar 2003
- Add support for BTUART on PXA platform
- Add support for WEP EP250 (PXA) board
* Fix flash problems on INCA-IP; add tool to allow bruning images to
flash using a BDI2000
* Implement fix for I2C Edge Conditions problem for all boards that
use the bit-banging driver (common/soft_i2c.c)
* Add patches by Robert Schwebel, 31 Mar 2003:
- csb226 board: bring in sync with innokom/memsetup.S
- csb226 board: fix MDREFR handling
- misc doc fixes / extensions
- innokom board: cleanup, MDREFR fix in memsetup.S, config update
- add BOOT_PROGRESS to armlinux.c
- add threads / scheduler example code
* Add patches by Robert Schwebel, 31 Mar 2003:
- add ctrl-c support for kermit download
- align bdinfo output on ARM
* Add CPU ID, version, and clock speed for INCA-IP
Add support for Atmel AT91RM9200DK w/NAND
* Patches by Robert Schwebel, 19 Mar 2003:
- use arm-linux-gcc as default compiler for ARM
- fix i2c fixup code
- fix missing baudrate setting
- added $loadaddr / CFG_LOAD_ADDR support to loadb
- moved "ignoring trailing characters" _before_ u-boot wants to
print out diagnostics messages; removes bogus characters at the
end of transmission
* Patch by John Zhan, 18 Mar 2003:
Add support for SinoVee Microsystems SC8xx boards
* Patch by Rolf Offermanns, 21 Mar 2003:
ported the dnp1110 related changes from the current armboot cvs to
current u-boot cvs. smc91111 does not work. problem marked in
smc91111.c, grep for "FIXME".
* Patch by Brian Auld, 25 Mar 2003:
Add support for STM flash chips on ebony board
* Add PCI support for MPC8250 Boards (PM825 module)
* Patch by Stefan Roese, 25 Mar 2003:
the HSYNC/VSYNC. Requires new CPLD code (Version 101 for Rev. 100
boards, version 153 for Rev. 200 boards).
* Patch by Vladimir Gurevich, 12 Mar 2003:
Fix relocation problem of statically initialized string pointers
in common/cmd_pci.c
* Patch by Kai-Uwe Blöm, 12 Mar 2003:
Cleanup & bug fixes for JFFS2 code:
- the memory mangement was broken. It caused havoc on malloc by
writing beyond the block boundaries.
- the length calculation for files was wrong, sometimes resulting
in short file reads.
- data copying now optionally takes fragment version numbers into
account, to avoid copying from older data.
See doc/README.JFFS2 for details.
- minimal setup for CardBus bridges
- add EEPROM read/write support in the CS8900 driver
- add support for the builtin I2C controller in the Samsung s3c24x0 chips
- add support for MPL's VCMA9 (Samsung s3c2410 based) board
* Patch by Steven Scholz, 04 Feb 2003:
add support for RTC DS1307
* Patch by Reinhard Meyer, 5 Feb 2003:
fix PLPRCR/SCCR init sequence on 8xx to allow for
changes of EBDF by software
* Patch by Vladimir Gurevich, 07 Feb 2003:
"API-compatibility patch" for 4xx I2C driver
Add support for Motorola MPC8266ADS board
* Patch by Kyle Harris, 19 Feb 2003:
patches for the Intel lubbock board:
memsetup.S - general cleanup (based on Robert's csb226 code)
flash.c - overhaul, actually works now
lubbock.c - fix init funcs to return proper value
* Patch by Kenneth Johansson, 26 Feb 2003:
- Fixed off by one in RFTA calculation.
- No need to abort when LDF is lower than we can program it's only
minimum timing so clamp it to what we can do.
- Takes function pointer to function for reading the spd_nvram. Usefull
for faking data or hardcode a module without the nvram.
- fix other user for above change
- fix some comments.
* Patches by Brian Waite, 26 Feb 2003:
- fix port for evb64260 board
- fix PCI for evb64260 board
- fix PCI scan
* Patch by Reinhard Meyer, 1 Mar 2003:
Add support for EMK TOP860 Module
* Patch by Yuli Barcohen, 02 Mar 2003:
Add SPD EEPROM support for MPC8260ADS board
* Patch by Erwin Rol, 27 Feb 2003:
Add support for RTEMS
* Add image information to README
* Fix dual PCMCIA slot support (when running with just one
slot populated)
* Add VFD type detection to trab board
* extend drivers/cs8900.c driver to synchronize ethaddr environment
variable with value in the EEPROM
* Start adding MIPS support files
* Patch by Rod Boyce, 21 Nov 2002:
fix PCMCIA on MBX8xx board
* Patch by Pierre Aubert , 21 Nov 2002
Add CFG_CPM_POST_WORD_ADDR to make the offset of the
bootmode word in DPRAM configurable
Fixes for x86 port (mostly strings issues)
* Patch by Ken Chou, 18 Nov 2002:
Fix for natsemi NIC cards (DP83815)
* Patch by Pierre Aubert, 19 Nov 2002:
fix a bug for the MII configuration, and some warnings
Add code for AmigaOne board
(preliminary merge to U-Boot, still WIP)
* Patch by Jon Diekema, 12 Nov 2002:
- Adding URL for IEEE OUI lookup
- Making the autoboot #defines dependent on CONFIG_AUTOBOOT_KEYED
being defined.
- In the CONFIG_EXTRA_ENV_SETTINGS #define, the root-on-initrd and
root-on-nfs macros are designed to switch how the default boot
method gets defined.
Add support for i386 architecture and AMD SC520 board
* Patch by Pierre Aubert, 12 Nov 2002:
Add support for DOS filesystem and booting from DOS floppy disk
seconds instead of ms.
* Patch by Robert Schwebel, 1 Nov 2002:
XScale related cleanup (affects all ARM boards)
* Cleanup of names, warnings and README.
