On Tue, Mar 27, 2018 at 9:06 AM, Ivan Gorinov <ivan.gori...@intel.com> wrote: > On x86 platforms, U-Boot does not pass Device Tree data to the kernel. > This prevents the kernel from using FDT loaded by U-Boot. > > Read the working FDT address from the "fdtaddr" environment variable > and add a copy of the FDT data to the kernel setup_data list. > > Signed-off-by: Ivan Gorinov <ivan.gori...@intel.com> > --- > arch/x86/include/asm/bootparam.h | 7 +++++-- > arch/x86/lib/zimage.c | 34 ++++++++++++++++++++++++++++++++++ > 2 files changed, 39 insertions(+), 2 deletions(-) > > diff --git a/arch/x86/include/asm/bootparam.h > b/arch/x86/include/asm/bootparam.h > index 90768a9..6aba614 100644 > --- a/arch/x86/include/asm/bootparam.h > +++ b/arch/x86/include/asm/bootparam.h > @@ -10,8 +10,11 @@ > #include <asm/video/edid.h> > > /* setup data types */ > -#define SETUP_NONE 0 > -#define SETUP_E820_EXT 1 > +enum { > + SETUP_NONE = 0, > + SETUP_E820_EXT, > + SETUP_DTB, > +}; > > /* extensible setup data list node */ > struct setup_data { > diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c > index 2a82bc8..1ff77e9 100644 > --- a/arch/x86/lib/zimage.c > +++ b/arch/x86/lib/zimage.c > @@ -14,6 +14,7 @@ > */ > > #include <common.h> > +#include <malloc.h> > #include <asm/acpi_table.h> > #include <asm/io.h> > #include <asm/ptrace.h>
Sorry to mention that I added "#include <linux/libfdt.h>" here to fix build error seen on several x86 boards during a buildman testing. Changed applied to u-boot-x86. > @@ -95,6 +96,38 @@ static int get_boot_protocol(struct setup_header *hdr) > } > } > Regards, Bin _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot