From mboxrd@z Thu Jan 1 00:00:00 1970 To: ADharankar@ATTBI.Com Cc: linuxppc-embedded@lists.linuxppc.org Subject: Re: Relocating PPCBoot into SRAM From: Wolfgang Denk Mime-version: 1.0 Content-type: text/plain; charset=ISO-8859-1 In-reply-to: Your message of "Sun, 16 Feb 2003 14:15:19 EST." <200302161415.19790.ADharankar@ATTBI.Com> Date: Sun, 16 Feb 2003 20:48:03 +0100 Message-Id: <20030216194808.33949C5E20@atlas.denx.de> Sender: owner-linuxppc-embedded@lists.linuxppc.org List-Id: In message <200302161415.19790.ADharankar@ATTBI.Com> 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 ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/