On Thu, Feb 16, 2012 at 7:27 PM, Kumar Gala <ga...@kernel.crashing.org> wrote:
> For some of these platforms like P2041RDB, P3041DS, P3060QDS, P4080DS, & > P5020DS only a 36-bit physical address map is supported by u-boot and the > device tree. This was a decision that was made to NOT support 32-bit address > map for these boards and accept the performance implication of it to reduce > the # of builds, etc. Was this a Freescale internal decision, or is this a generic 85xx decision? For the record, I'm in favor in leaving out support for 32-bit address map in the upstream kernel, and having it be an option on the SDK only. However, in order to do that, we cannot have "select PHYS_64BIT" in the Kconfigs. It needs to be in the defconfigs instead. Putting it in the defconfig will eliminate the need to have it in every Kconfig block, so I think that's an improvement. Then the SDK can include a defconfig that does not have PHYS_64BIT defined. And the SDK can include 32-bit U-Boots and 32-bit device trees for any board where Freescale determines there is a need. I think Leo's patch simplifies things for everyone. -- Timur Tabi Linux kernel developer at Freescale _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
