Jose, You are right, PQ3 supports endianess choice on a per page basis. Without any hook in Linux, you can remap physical address range (but RAM), by calling __ioremap() with the "_PAGE_ENDIAN" bit set in the flags.
-- sj > -----Original Message----- > From: > [EMAIL PROTECTED] > g > [mailto:[EMAIL PROTECTED] > zlabs.org] On Behalf Of Jose Almeida > Sent: vendredi 24 août 2007 09:59 > To: Linuxppc-embedded@ozlabs.org > Subject: little endian page mapping on PQ3 > > Hi all, > > Looking at PQ3 documentation, it looks like there is a way to select > on a page basis if we would like to map one particular page in BIG or > LITTLE endian. > This is a very nice feature when you need to exchange some data > between a PC and a PQ3 target. > > I am wondering if someone have already tryed this PQ3 feature ? > I guess this would require some kind of hook in the kernel ... > > Any clue ? > > Thanks - Jose > > _______________________________________________ > Linuxppc-embedded mailing list > Linuxppc-embedded@ozlabs.org > https://ozlabs.org/mailman/listinfo/linuxppc-embedded > _______________________________________________ Linuxppc-embedded mailing list Linuxppc-embedded@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-embedded
