On Fri, Jun 23, 2017 at 04:35:43PM -0400, Rob Clark wrote: > On Fri, Jun 23, 2017 at 4:24 PM, Rob Clark <robdcl...@gmail.com> wrote: > > On Fri, Jun 23, 2017 at 10:32 AM, Tom Rini <tr...@konsulko.com> wrote: > >> On Tue, Jun 20, 2017 at 05:55:25PM -0400, Rob Clark wrote: > >> > >>> Signed-off-by: Rob Clark <robdcl...@gmail.com> > >>> --- > >>> Maybe there is a better way to not hardcode this? But at least with > >>> the build of lk that I have, the fdt table is at 0x81e00000. I guess > >>> there must be a more robust way to do this, since presumably lk when > >>> booting the linux kernel directly somehow passes the fdt address. > >> > >> I would assume that lk does what Documentation/arm64/booting.txt > >> describes and places the physical address in x0, so you might be able to > >> implement a save_boot_params that saves this information for later use? > >> Perhaps even make this somewhat generic for armv8 as there's probably > >> other cases where U-Boot is being called in this manner? Thanks! > >> > > > > yup.. figured this out.. I have a WIP patch to actually use the fdt > > that the fw passes to u-boot (instead of appending the fdt to > > u-boot).. haven't wired it up to setenv_hex() yet, but that should be > > trivial. > > > > fwiw, I have a WIP u-boot equiv to linux's simplefb display driver > > that can inherit the scanout setup by fw (and some related patches) > > plus lk patches to create a chosen/framebuffer simple-framebuffer > > node.. need to clean up and send out some of my pending stack of > > patches, but been buried in figuring out u-boot reloc stuff to figure > > out how to not get the vaddr space associated w/ fw configured > > framebuffer reloc'd. > > (and just in-case that wasn't clear, ignore patch 2/2.. but 1/2 is still > valid)
OK, cool. I'll move 2/2 to Rejected and 1/2 is currently in my testing queue today. Thanks! -- Tom
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