Siemens SE515 JTAG Readme
*************************

Changelog
	2008-11-22	added byteswap command for each flash command
			to avoid misunderstandings


patches/
	- HairyDairyMaid_WRT54G Debrick Utility v48 patch for Siemens SE515
	  (taken and adapted for v48 from user rmax, see:
	  http://k0.j0t.de/index.php/topic,300.0.html)

HairyDairyMaid_WRT54G_Debrick_Utility_v48.zip
	- HairyDairyMaid WRT54G Debrick Utility v48


Note:
	- you'll need the byteswap patch, because the JTAG interface
	  delivers and flashes the binarys in swapped order, so you
	  need to change the byte order to get a working firmware/cfe/...

	- to use the tool, make sure your parallel port is not used
	  by another module - with ubuntu you have to remove the
	  lp module (sudo rmmod lp) first so that wrt54g can use the port


building jtag adaptor
*********************

For good documentation, see
http://wiki.openwrt.org/OpenWrtDocs/Customizing/Hardware/JTAG_Cable

The SE515 can be flashed fine with the
"Unbuffered Cable, Xilinx DLC5 Cable III".

jtag commands
*************

Because the SE515 has other flash mappings than the WRTs, it is necessary to use
custom area flashing. Some examples following.

see if it works:
./wrt54g -probeonly /nobreak /noreset

backup cfe (64kb):
./wrt54g -backup:custom /start:1fc00000 /window:1fc00000 /length:10000 /nobreak /noreset
cat CUSTOM.BIN | ./byteswap > backup_cfe.bin

backup rest without cfe (4mb - 64kb):
./wrt54g -backup:custom /start:1fc10000 /window:1fc00000 /length:3f0000 /nobreak /noreset
cat CUSTOM.BIN | ./byteswap > backup_linux.bin

backup whole flash (4mb):
./wrt54g -backup:custom /start:1fc00000 /window:1fc00000 /length:400000 /nobreak /noreset
cat CUSTOM.BIN | ./byteswap > backup_flash.bin

HINT: To restore a part of the flash, rename it first to CUSTOM.BIN
      or wrt54g will not find it.

restore cfe:
cat cfe.bin | ./byteswap > CUSTOM.BIN
./wrt54g -flash:custom /start:1fc00000 /window:1fc00000 /length:10000 /nobreak /noreset

restore rest without cfe:
cat linux.bin | ./byteswap > CUSTOM.BIN
./wrt54g -flash:custom /start:1fc10000 /window:1fc00000 /length:3f0000 /nobreak /noreset

restore whole flash (4mb):
cat flash.bin | ./byteswap > CUSTOM.BIN
./wrt54g -flash:custom /start:1fc00000 /window:1fc00000 /length:400000 /nobreak /noreset