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RE: MCM Flashing problems on custom hardware



Hi.
I thing this thread can help you.
http://mhonarc.axis.se/dev-etrax/msg03179.html

Regards
/Magnus

> -----Original Message-----
> From: Stefan Mahlknecht [mailto:mahlknecht@xxxxxxx.at]
> Sent: den 17 oktober 2003 15:42
> To: dev-etrax
> Subject: MCM Flashing problems on custom hardware
> 
> 
> We have a custom made MCM board that has basically the same 
> schematic as 
> on the MCM-82 dev. board.
> Now we tested the boards and have the following problem:
> flashit or Flashitall is not working, after the folloging 
> messages it hangs:
> SET_REGISTER
> 0xb0000030
> 0x00001df0
> SET_REGISTER
> 0xb0000038
> 0x00001ef3
> PACKET_INFO
> 0xc0004000
> 0x00600018  <- it stops
> 
> What does that mean ?
> BUT: Ktest is working! The last few output messages are the following:
> ...
> 0xb0000038
> 0x00001ef3
> PACKET_INFO
> 0xc0004000
> 0x0028a000
> Checksum of file is 0x092698c1
> JUMP
> 0xc0004000
> END
> Exiting with code 0
> pc233:/home/bluelab/axis/devboard_82 #
> 
> Therefore I assume that the ETAX with the externally 
> connected SDRAM as 
> on the Original MCM
> developer board is working correctly and booting the OS. 
> Is this assumption correct ?
> We use the same Serial port for console output as on the 
> dev.board but 
> we can`t observe any output messages on TXD0 of the MCM module even 
> though the image is the same as working on the dev. board.
> 
> If KTEST is working why is flashitall and flashit not working?
> 
> Thanks for any help, Stefan
> 
> Other details:
> The Power Supplies and current cosumption are ok (1Watt)
> On the SDRAM Clock we measure a clean 50MHZ clock
> The image we tried to download on our Board did work on the 
> dev. board 
> MCM which has basically the same schematic.
> Since ktest did work there should not be any hardware 
> problems - we only 
> mounted the minimal required components such as power supply, SDRAM, 
> rs232 Transceiver, Ethernet Plug, oscillator and reset/bootup circuit.
> 
> 
> 
>