There are no BATS on BookE - we have the TLBCAM instead. Also correct the page size information to included extended sizes. We don't actually allow a 4G page size to be used, so comment on that as well.
Signed-off-by: Becky Bruce <bec...@kernel.crashing.org> --- Even lamer, I forgot that we don't actually allow use of a 4G page. Update the comment to reflect this. -Becky arch/powerpc/mm/fsl_booke_mmu.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/mm/fsl_booke_mmu.c b/arch/powerpc/mm/fsl_booke_mmu.c index cdc7526..4b66a1e 100644 --- a/arch/powerpc/mm/fsl_booke_mmu.c +++ b/arch/powerpc/mm/fsl_booke_mmu.c @@ -104,9 +104,10 @@ unsigned long p_mapped_by_tlbcam(phys_addr_t pa) } /* - * Set up one of the I/D BAT (block address translation) register pairs. - * The parameters are not checked; in particular size must be a power - * of 4 between 4k and 256M. + * Set up a variable-size TLB entry (tlbcam). The parameters are not checked; + * in particular size must be a power of 4 between 4k and 256M (or 1G, for cpus + * that support extended page sizes). Note that while some cpus support a + * page size of 4G, we don't allow its use here. */ static void settlbcam(int index, unsigned long virt, phys_addr_t phys, unsigned long size, unsigned long flags, unsigned int pid) -- 1.6.0.6 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev