On Fri, Jan 31, 2014 at 08:24:21AM +0530, Mahesh Jagannath Salgaonkar wrote: > On 01/24/2014 07:46 PM, Laurent Dufour wrote: > > When the kernel is built with CONFIG_PPC_EARLY_DEBUG_OPAL set, it is > > expecting to get r8 and r9 filled respectively with OPAL base address and > > OPAL entry address (arc/power/head_64.S). > > > > On the new powernv platform, having these 2 registers set allows the kernel > > to perform OPAL calls before it parse the device tree. > > > > Signed-off-by: Laurent Dufour <ldufour at linux.vnet.ibm.com> > > Tested-by: Mahesh Salgaonkar <mahesh at linux.vnet.ibm.com> Thanks, applied.