Thread (1 message) 1 message, 1 author, 2003-02-16

Re: Relocating PPCBoot into SRAM

From: Wolfgang Denk <hidden>
Date: 2003-02-16 19:48:03

In message [off-list ref] you wrote:
Hello!  Thanks for the nice reply!
You're welcome.
To test the region of SDRAM where PPCBoot/U-Boot resides, how could
a non-destructive test be implemented? Perhaps, would one way would be
to do these test for that region of PPCBoot/U-Boot before it is
relocated to SDRAM?
This is a good idea, especially since you also have to deal with  the
exception vectors...
Some of the x86 PC BIOSs/Bootloaders/Monitors seem to be able to do
a full/destructive memory test without a reboot. That is what seems
to be appealing to for PPCBoot/U-Boot.
Did you check how U-Boot's POST routines  (especially  post/memory.c)
work?

Don't re-invent the wheel.


Best regards,

Wolfgang Denk

--
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-4596-87  Fax: (+49)-8142-4596-88  Email: wd@denx.de
See us @ Embedded World, Nuremberg, Feb 18-20, Hall 12.0 Booth 12-442

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