Merge branch 'linus' into sfi-release
[linux-2.6.git] / arch / x86 / kernel / setup.c
index d784ea2..6c78868 100644 (file)
@@ -67,6 +67,7 @@
 
 #include <linux/percpu.h>
 #include <linux/crash_dump.h>
+#include <linux/tboot.h>
 
 #include <video/edid.h>
 
 #include <asm/numa_64.h>
 #endif
 
-#ifndef ARCH_SETUP
-#define ARCH_SETUP
-#endif
-
 /*
  * end_pfn only includes RAM, while max_pfn_mapped includes all e820 entries.
  * The direct mapping extends to max_pfn_mapped, so that we can directly access
@@ -134,9 +131,9 @@ int default_cpu_present_to_apicid(int mps_cpu)
        return __default_cpu_present_to_apicid(mps_cpu);
 }
 
-int default_check_phys_apicid_present(int boot_cpu_physical_apicid)
+int default_check_phys_apicid_present(int phys_apicid)
 {
-       return __default_check_phys_apicid_present(boot_cpu_physical_apicid);
+       return __default_check_phys_apicid_present(phys_apicid);
 }
 #endif
 
@@ -172,13 +169,6 @@ static struct resource bss_resource = {
 
 
 #ifdef CONFIG_X86_32
-static struct resource video_ram_resource = {
-       .name   = "Video RAM area",
-       .start  = 0xa0000,
-       .end    = 0xbffff,
-       .flags  = IORESOURCE_BUSY | IORESOURCE_MEM
-};
-
 /* cpu data as detected by the assembly code in head.S */
 struct cpuinfo_x86 new_cpu_data __cpuinitdata = {0, 0, 0, 0, -1, 1, 0, 0, -1};
 /* common cpu data for all cpus */
@@ -606,7 +596,7 @@ static struct resource standard_io_resources[] = {
                .flags = IORESOURCE_BUSY | IORESOURCE_IO }
 };
 
-static void __init reserve_standard_io_resources(void)
+void __init reserve_standard_io_resources(void)
 {
        int i;
 
@@ -638,10 +628,6 @@ static int __init setup_elfcorehdr(char *arg)
 early_param("elfcorehdr", setup_elfcorehdr);
 #endif
 
-static struct x86_quirks default_x86_quirks __initdata;
-
-struct x86_quirks *x86_quirks __initdata = &default_x86_quirks;
-
 #ifdef CONFIG_X86_RESERVE_LOW_64K
 static int __init dmi_low_memory_corruption(const struct dmi_system_id *d)
 {
@@ -712,6 +698,21 @@ void __init setup_arch(char **cmdline_p)
        printk(KERN_INFO "Command line: %s\n", boot_command_line);
 #endif
 
+       strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
+       *cmdline_p = command_line;
+
+#ifdef CONFIG_X86_64
+       /*
+        * Must call this twice: Once just to detect whether hardware doesn't
+        * support NX (so that the early EHCI debug console setup can safely
+        * call set_fixmap(), and then again after parsing early parameters to
+        * honor the respective command line option.
+        */
+       check_efer();
+#endif
+
+       parse_early_param();
+
        /* VMI may relocate the fixmap; do this before touching ioremap area */
        vmi_init();
 
@@ -758,7 +759,7 @@ void __init setup_arch(char **cmdline_p)
        }
 #endif
 
-       ARCH_SETUP
+       x86_init.oem.arch_setup();
 
        setup_memory_map();
        parse_setup_data();
@@ -794,11 +795,6 @@ void __init setup_arch(char **cmdline_p)
 #endif
 #endif
 
-       strlcpy(command_line, boot_command_line, COMMAND_LINE_SIZE);
-       *cmdline_p = command_line;
-
-       parse_early_param();
-
 #ifdef CONFIG_X86_64
        check_efer();
 #endif
@@ -834,11 +830,9 @@ void __init setup_arch(char **cmdline_p)
         * VMware detection requires dmi to be available, so this
         * needs to be done after dmi_scan_machine, for the BP.
         */
-       init_hypervisor(&boot_cpu_data);
+       init_hypervisor_platform();
 
-#ifdef CONFIG_X86_32
-       probe_roms();
-#endif
+       x86_init.resources.probe_roms();
 
        /* after parse_early_param, so could debug it */
        insert_resource(&iomem_resource, &code_resource);
@@ -973,10 +967,11 @@ void __init setup_arch(char **cmdline_p)
        kvmclock_init();
 #endif
 
-       paravirt_pagetable_setup_start(swapper_pg_dir);
+       x86_init.paging.pagetable_setup_start(swapper_pg_dir);
        paging_init();
-       paravirt_pagetable_setup_done(swapper_pg_dir);
-       paravirt_post_allocator_init();
+       x86_init.paging.pagetable_setup_done(swapper_pg_dir);
+
+       tboot_probe();
 
 #ifdef CONFIG_X86_64
        map_vsyscall();
@@ -993,13 +988,11 @@ void __init setup_arch(char **cmdline_p)
 
        sfi_init();
 
-#if defined(CONFIG_X86_MPPARSE) || defined(CONFIG_X86_VISWS)
        /*
         * get boot-time SMP configuration:
         */
        if (smp_found_config)
                get_smp_config();
-#endif
 
        prefill_possible_map();
 
@@ -1018,10 +1011,7 @@ void __init setup_arch(char **cmdline_p)
        e820_reserve_resources();
        e820_mark_nosave_regions(max_low_pfn);
 
-#ifdef CONFIG_X86_32
-       request_resource(&iomem_resource, &video_ram_resource);
-#endif
-       reserve_standard_io_resources();
+       x86_init.resources.reserve_resources();
 
        e820_setup_gap();
 
@@ -1033,78 +1023,22 @@ void __init setup_arch(char **cmdline_p)
        conswitchp = &dummy_con;
 #endif
 #endif
+       x86_init.oem.banner();
 }
 
 #ifdef CONFIG_X86_32
 
-/**
- * x86_quirk_intr_init - post gate setup interrupt initialisation
- *
- * Description:
- *     Fill in any interrupts that may have been left out by the general
- *     init_IRQ() routine.  interrupts having to do with the machine rather
- *     than the devices on the I/O bus (like APIC interrupts in intel MP
- *     systems) are started here.
- **/
-void __init x86_quirk_intr_init(void)
-{
-       if (x86_quirks->arch_intr_init) {
-               if (x86_quirks->arch_intr_init())
-                       return;
-       }
-}
-
-/**
- * x86_quirk_trap_init - initialise system specific traps
- *
- * Description:
- *     Called as the final act of trap_init().  Used in VISWS to initialise
- *     the various board specific APIC traps.
- **/
-void __init x86_quirk_trap_init(void)
-{
-       if (x86_quirks->arch_trap_init) {
-               if (x86_quirks->arch_trap_init())
-                       return;
-       }
-}
-
-static struct irqaction irq0  = {
-       .handler = timer_interrupt,
-       .flags = IRQF_DISABLED | IRQF_NOBALANCING | IRQF_IRQPOLL | IRQF_TIMER,
-       .name = "timer"
+static struct resource video_ram_resource = {
+       .name   = "Video RAM area",
+       .start  = 0xa0000,
+       .end    = 0xbffff,
+       .flags  = IORESOURCE_BUSY | IORESOURCE_MEM
 };
 
-/**
- * x86_quirk_pre_time_init - do any specific initialisations before.
- *
- **/
-void __init x86_quirk_pre_time_init(void)
+void __init i386_reserve_resources(void)
 {
-       if (x86_quirks->arch_pre_time_init)
-               x86_quirks->arch_pre_time_init();
+       request_resource(&iomem_resource, &video_ram_resource);
+       reserve_standard_io_resources();
 }
 
-/**
- * x86_quirk_time_init - do any specific initialisations for the system timer.
- *
- * Description:
- *     Must plug the system timer interrupt source at HZ into the IRQ listed
- *     in irq_vectors.h:TIMER_IRQ
- **/
-void __init x86_quirk_time_init(void)
-{
-       if (x86_quirks->arch_time_init) {
-               /*
-                * A nonzero return code does not mean failure, it means
-                * that the architecture quirk does not want any
-                * generic (timer) setup to be performed after this:
-                */
-               if (x86_quirks->arch_time_init())
-                       return;
-       }
-
-       irq0.mask = cpumask_of_cpu(0);
-       setup_irq(0, &irq0);
-}
 #endif /* CONFIG_X86_32 */