On Oct 3, 2007, at 2:34 PM, Rune Torgersen wrote: >> From: Dale Farnsworth >> >> The CONFIG_FSL_BOOKE mmu setup code fails when CONFIG_HIGHMEM=y >> and the 3 fixed TLB entries cannot exactly map the lowmem size. >> Each TLB entry can map 4MB, 16MB, 64MB or 256MB, so the failure >> is observed when the kernel lowmem size is not equal to the >> sum of up to 3 of those values. > > Does this mean you cannot run 1G of lowmem on a 85xx? > > On 82xx I run 1G of lowmem, and when we finaly upgrade our product > to a > 85xx something, Iw was planning on doing the same.
The code would have to change to allow for 1G of lowmem. Max lowmem with KERNELBASE @ 0xc000_0000 is 768M. - k _______________________________________________ Linuxppc-embedded mailing list [email protected] https://ozlabs.org/mailman/listinfo/linuxppc-embedded
