Merge branch 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/rusty/linux...

[firefly-linux-kernel-4.4.55.git] / arch / x86 / kernel / head32.c

diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 3f8579f8d42cfa52710cc2331494542b1d1942dc..4f8e2507e8f3cad33a71d5fdb98f068d977c6aae 100644 (file)
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -11,8 +11,21 @@
 #include <asm/setup.h>
 #include <asm/sections.h>
 #include <asm/e820.h>
-#include <asm/bios_ebda.h>
+#include <asm/page.h>
 #include <asm/trampoline.h>
+#include <asm/apic.h>
+#include <asm/io_apic.h>
+#include <asm/bios_ebda.h>
+
+static void __init i386_default_early_setup(void)
+{
+       /* Initilize 32bit specific setup functions */
+       x86_init.resources.probe_roms = probe_roms;
+       x86_init.resources.reserve_resources = i386_reserve_resources;
+       x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc;
+
+       reserve_ebda_region();
+}
 
 void __init i386_start_kernel(void)
 {
@@ -29,7 +42,16 @@ void __init i386_start_kernel(void)
                reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
        }
 #endif
-       reserve_ebda_region();
+
+       /* Call the subarch specific early setup function */
+       switch (boot_params.hdr.hardware_subarch) {
+       case X86_SUBARCH_MRST:
+               x86_mrst_early_setup();
+               break;
+       default:
+               i386_default_early_setup();
+               break;
+       }
 
        /*
         * At this point everything still needed from the boot loader