In message <4A062D477D842B4C8FC48EA5AF2D41F201BA2084 at us-bv-m23.global.tektronix.net> you wrote: > Since I have set IIP to 1, reset vector is at 0xfff00100. IMMR is > 0x00f00000. So, putting RAM at address 0x0 allows only 15MB of RAM > at address 0x0 (ISA style).
Please do yourself a favour and read some docs and FAQ's first. With a low mapping ogf the IMMR like 0x00f00000 you will never be able to run Linux. And as mentioned before: the whole memory map is just software. If it doesn't fit your needs just change it. > As memory and internal processor registers would conflict, I would have Then CHANGE it! It's just a few bits in some registers. > a memory hole. Hence, the logical choice of putting RAM at a different This is not a logical choice, but just another error. > location. So, if MMU allows shadowing (which I have not read), it could > solve my problem. Please forget it. Just fix your memory map. Best regards, Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de Why don't you have a Linux partition installed so you can be working in a programmer-friendly environment instead of a keep-gates'-bank- account-happy one? :-) -- Tom Christiansen
