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On Mon, 5 Aug 2013 22:50:24 +0100 Robie Basak robie.basak@ubuntu.com wrote:
On Mon, Aug 05, 2013 at 04:41:10PM -0500, Dennis Gilmore wrote:
Can We all agree to implement ensuing that dtb files will be available in /boot/dtb/
For what hardware are you proposing this? New ones? Or are you saying that we should change hardware that we've already enabled, so now we have two possible locations to consider on those (existing installations and your new standard)?
I am proposing that ultimately it be the sole location for dtbs. In conjunction with the unified u-boot environment proposal i've put forward u-boot would automatically load and provide the dtb at a known location for us. To simplify things greatly for us. i anticipate as part of the discussion that's covered https://lwn.net/Articles/560523/ the dtbs will be stable and detached from the kernel. we would then only need to install the dtbs in /boot/dtb/ u-boot will handle the rest for us
the known location would be ${fdt_addr} which cmd_pxe will pass on to the boot line as part of pxe booting or local booting using sysboot. and if a distro chooses to use uEnv.txt or boot.scr then they can just pass the variable to bootm or bootz and assume that a dtb is already loaded. The hardware vendor will be able to ship the dtb in local storage or load the copy we ship.
Dennis