On Thu, 20 Sep 2007 21:55:58 +0400 Valentine Barshak <[EMAIL PROTECTED]> wrote:
> This adds cpu_setup functionality to PowerPC 44x platform. > The cpu_setup callback is invoked by head_32 code and > the identify_cpu() function at early init and is used to > initialize FPU on 440EP(x) processors. The FPU initialization > was previously done in head_44x.S. Also a workaround for > the incorrect write to DDR SDRAM 440EPx/440GRx errata added. > Data can be written to wrong address in SDRAM when write > pipelining is enabled on plb0. The setup_cpu function > for these processors disables write pipelining. Wow, you're fast ;) I'd like to see this split up a bit so there's not so much in one patch. Essentially, introduce cpu_setup_44x.S, move the FPU init to use it, and then add the PLB workaround. I still need to look at the code too :) josh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
