Re: problem in downloading nk.bin

7 kb/s ?!? You got a *serious* performance issue here. Not knowing
exactly what your board is capable of, I'd expect at least a couple of
hundred kb/second download rates. Are you using a debug built
bootloader?

The syptom you describe may happen if PB thinks it lost contact with
the device. What happens is probably that PB don't get acks fast enough
(or that it did too many retries), or that your device has stopped
responding alltogether. Use a software ethernet analyzer such as
ethereal to see what communication takes place between the device and
host during download, if there are lots of resends, if the device is
allways slow to respond etc.

Henrik Viklund
http://www.addlogic.se

Chitra skrev:

Hi all,

I am developing BSP for MC9328MXL litekit. I have developed the
bootloader. I am not able to download nk.bin. The board has CS8900A
ethernet controller. Platform Builder recognizes the target device and
download window pops up and it displays downloading nk.bin at a rate of
7KB/SEC but after 7% is complete, the dialog box closes and in platform
builder I get the message as
The Kernel Debugger has been successfully disconnected.
I don't know what the problem could be. Please reply.

Thanks & Regards,
Chitra

.

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