I'm using an ARM90T processor core. It does have a MMU. My understanding is that u-Boot has discouraged the use of a MMU for virtual memory space. Are there any examples of processors architectures that can enable the MMU for address translations?
Stuart On Thu, Jul 24, 2008 at 11:50 AM, Ricardo <[EMAIL PROTECTED]> wrote: > Hi Stuart > > I don't know waht architechture that you are using, but if you have an > mmu maybe you can set it to have a virtual memory space contigous. > > Best regards > > On Thu, Jul 24, 2008 at 4:56 PM, Stuart Wood > <[EMAIL PROTECTED]> wrote: >> I've got an interesting problem. If loading a large image to memory >> and then copying it to flash it gets corrupted. >> It appears to happen when the image size becomes larger then a bank of >> SDRAM. I've got a 32 MByte SDRAM >> that appears as 4 banks of 8 MBytes. >> >> The system is using u-boot 1.1.3 and we will move to 1.3.3 soon. >> The memory regions are broken up like this. >> >> 0xE0000000 - 0xE07FFFFF >> 0xE1000000 - 0xE17FFFFF >> 0xE4000000 - 0xE47FFFFF >> 0xE5000000 - 0xE57FFFFF >> >> The processor is a Cirrus Logic EP9302 ARM920T. >> >> What would the most appropriate way of handling files larger than 8MBytes? >> >> -- >> Stuart Wood >> >> Lab X Technologies, LLC >> 176 Anderson Ave. >> Suite 302 >> Rochester, NY 14607 >> Phone: (585) 271-7790 x207 >> Fax: (585) 473.4707 >> >> ------------------------------------------------------------------------- >> This SF.Net email is sponsored by the Moblin Your Move Developer's challenge >> Build the coolest Linux based applications with Moblin SDK & win great prizes >> Grand prize is a trip for two to an Open Source event anywhere in the world >> http://moblin-contest.org/redirect.php?banner_id=100&url=/ >> _______________________________________________ >> U-Boot-Users mailing list >> U-Boot-Users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/u-boot-users >> > > > > -- > Ricardo Ribalda > http://www.eps.uam.es/~rribalda/ > -- Stuart Wood Lab X Technologies, LLC 176 Anderson Ave. Suite 302 Rochester, NY 14607 Phone: (585) 271-7790 x207 Fax: (585) 473.4707 ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ U-Boot-Users mailing list U-Boot-Users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/u-boot-users
