On Mon, 4 Mar 2013 18:03:23 -0600, Kim Phillips <[email protected]> wrote: > On Mon, 4 Mar 2013 10:30:45 -0800 > Curt Brune <[email protected]> wrote: > > > Hello - > > > > I want to pass a number of arguments from u-boot to the booted kernel. > > The arguments are needed by user space applications, not the kernel. > > > > I can think of two ways: > > > > 1. append args by setting "bootargs". > > 2. add nodes to the dtb before booting. > > > > Is there a preferred way to pass information like this? > > > > Like I said the arguments are not needed by the kernel device drivers, > > but by user space applications. > > > > I like the structure of nodes in the dtb. > > please don't dual-purpose device trees as a mechanism of getting > arguments through the kernel into userspace - device trees strictly > describe the hardware.
Why not? The chosen node in particular is for software configuration. I don't have any problem with passing U-Boot extra data through the chosen node. Just don't go crazy and please document it. g. _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
