[U-Boot] [PATCH v2] x86: zImage: pass device tree setup data to the kernel

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

On Fri, 2018-03-16 at 19:52 +0200, Andy Shevchenko wrote:
> On Fri, 2018-03-16 at 10:38 -0700, Ivan Gorinov wrote:
> > On x86 platforms, U-Boot does not provide Device Tree data to the
> > kernel.
> > This prevents the kernel from using the same hardware description.
> > 
> > Make a copy of DTB data with setup_data header and insert new item
> > into the the setup data linked list.
> 
> So, now is the question, what to do with x86 hardware that has DTS in
> U-
> Boot, but uses ACPI tables, generated by U-Boot.
> 
> Would it work properly?
> 
> I would try to test it on Intel Edison (I hope you may do this
> yourself
> as well), though I don't know when, have not much time to work with
> Edison right now.

Perhaps for now you may use CONFIG_ACPI_GENERATE (or how it's called?).

> >  #include <common.h>
> > +#include <malloc.h>

> > +#include <asm/global_data.h>
> >  #include <asm/acpi_table.h>

Not in order.

-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy