[U-Boot-Users] Q) Anyone know how to debug u-boot on AT91SMA9263-EK using J-Link from Segger?

[Leonid]

I am using BDI2000 with my at91rm9200 board - I think, you can do the
same for at91rm9263 unless you doesn't get JTAG on your board. I can
step through code, etc...  

-----Original Message-----
From: u-boot-users-bounces at lists.sourceforge.net
[mailto:u-boot-users-bounces at lists.sourceforge.net] On Behalf Of Jeff
Franks
Sent: Sunday, September 30, 2007 12:33 PM
To: u-boot-users at lists.sourceforge.net
Subject: [U-Boot-Users] Q) Anyone know how to debug u-boot on
AT91SMA9263-EK using J-Link from Segger?

Does anyone have a recipe for debugging u-boot on AT91SAM9263-EK target?

Our proprietary board is very similar, but can't see what goes wrong.
Atmel has a bootstrap that inits SDRAM, and loads u-boot image from
Flash device into SDRAM. It jumps to the proper address in the SDRAM and
dies.

All we have to debug is J-Link from Segger along gdbserver from Segger
which is an application that runs on Windows and talks via Usb to the
J-Link Pod. We can talk to Windows as if it were gdbserver from a Linux
host.

The bootup sequence provided by Atmel looks different from u-boot in
that u-boot does not move itself into SDRAM, this is done by the Atmel
bootstrap.

Don't know how to init SDRAM from J-Link. Has anyone done that?

--jlf


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