On Mon, Jan 24, 2011 at 09:58:50AM +0530, Sebastian Andrzej Siewior wrote: > This patch adds minimal support for device tree support on x86. It will > be passed to the kernel via setup_data which requires atleast boot > protocol 2.09. > Memory size, restricted memory regions, boot arguments are gathered the > traditional way so things like cmd_line are just here to let the code > compile. > The current plan is use the device tree as an extension and to gather > informations from it which can not be enumerated and have to be > hardcoded otherwise. This includes things like > - which devices are on this I2C/ SPI bus? > - how are the interrupts wired to IO APIC? > - where could my hpet be? > > Cc: [email protected] > Signed-off-by: Sebastian Andrzej Siewior <[email protected]> > Signed-off-by: Dirk Brandewie <[email protected]> > --- [...] > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index d5ed94d..5d21095 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -297,6 +297,13 @@ config X86_BIGSMP > ---help--- > This option is needed for the systems that have more than 8 CPUs > > +config X86_OF > + bool "Support for device tree" > + select OF > + select OF_EARLY_FLATTREE > + ---help--- > + Device tree support on X86. > +
On ARM and MIPS, this is called 'config USE_OF'. It would be nice to have some commonality. Maybe I should move the user-visible option to drivers/of/Kconfig. Or perhaps I should just make CONFIG_OF itself user visible. thoughts? g. _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
