x86: Add early platform detection

Platforms like Moorestown require early setup and want to avoid the
call to reserve_ebda_region. The x86_init override is too late when
the MRST detection happens in setup_arch. Move the default i386
x86_init overrides and the call to reserve_ebda_region into a separate
function which is called as the default of a switch case depending on
the hardware_subarch id in boot params. This allows us to add a case
for MRST and let MRST have its own early setup function.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 0 insertions, 1 deletions

diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index 13081b921914..24be7f397894 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -28,7 +28,6 @@ struct __initdata x86_init_ops x86_init = {
         .resources = {
                 .probe_roms             = x86_init_noop,
                 .reserve_resources      = reserve_standard_io_resources,
-                .reserve_ebda_region    = reserve_ebda_region,
                 .memory_setup           = default_machine_specific_memory_setup,
         },