Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-3.10.git] / arch / x86 / kernel / head32.c
index 4049353..138463a 100644 (file)
@@ -7,38 +7,44 @@
 
 #include <linux/init.h>
 #include <linux/start_kernel.h>
+#include <linux/mm.h>
+#include <linux/memblock.h>
 
 #include <asm/setup.h>
 #include <asm/sections.h>
 #include <asm/e820.h>
+#include <asm/page.h>
+#include <asm/apic.h>
+#include <asm/io_apic.h>
 #include <asm/bios_ebda.h>
-#include <asm/trampoline.h>
+#include <asm/tlbflush.h>
+#include <asm/bootparam_utils.h>
 
-void __init i386_start_kernel(void)
+static void __init i386_default_early_setup(void)
 {
-       reserve_trampoline_memory();
-
-       reserve_early(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS");
-
-#ifdef CONFIG_BLK_DEV_INITRD
-       /* Reserve INITRD */
-       if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
-               u64 ramdisk_image = boot_params.hdr.ramdisk_image;
-               u64 ramdisk_size  = boot_params.hdr.ramdisk_size;
-               u64 ramdisk_end   = ramdisk_image + ramdisk_size;
-               reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
-       }
-#endif
-       /* Initilize 32bit specific setup functions */
-       x86_init.resources.probe_roms = probe_roms;
+       /* Initialize 32bit specific setup functions */
+       x86_init.resources.reserve_resources = i386_reserve_resources;
+       x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc;
 
        reserve_ebda_region();
+}
 
-       /*
-        * At this point everything still needed from the boot loader
-        * or BIOS or kernel text should be early reserved or marked not
-        * RAM in e820. All other memory is free game.
-        */
+void __init i386_start_kernel(void)
+{
+       sanitize_boot_params(&boot_params);
+
+       /* Call the subarch specific early setup function */
+       switch (boot_params.hdr.hardware_subarch) {
+       case X86_SUBARCH_MRST:
+               x86_mrst_early_setup();
+               break;
+       case X86_SUBARCH_CE4100:
+               x86_ce4100_early_setup();
+               break;
+       default:
+               i386_default_early_setup();
+               break;
+       }
 
        start_kernel();
 }