UBUNTU: SAUCE: x86: reboot: Make Dell Latitude E6520 use reboot=pci
[linux-flexiantxendom0-natty.git] / arch / x86 / kernel / reboot.c
index 38dace2..95d5371 100644 (file)
@@ -3,6 +3,9 @@
 #include <linux/init.h>
 #include <linux/pm.h>
 #include <linux/efi.h>
+#include <linux/dmi.h>
+#include <linux/sched.h>
+#include <linux/tboot.h>
 #include <acpi/reboot.h>
 #include <asm/io.h>
 #include <asm/apic.h>
 #include <asm/pci_x86.h>
 #include <asm/virtext.h>
 #include <asm/cpu.h>
+#include <asm/nmi.h>
 
 #ifdef CONFIG_X86_32
-# include <linux/dmi.h>
 # include <linux/ctype.h>
 # include <linux/mc146818rtc.h>
 #else
-# include <asm/iommu.h>
+# include <asm/x86_init.h>
 #endif
 
-#include <mach_ipi.h>
-
 /*
  * Power off function, if any
  */
@@ -84,7 +85,7 @@ static int __init reboot_setup(char *str)
                        }
                                /* we will leave sorting out the final value
                                   when we are ready to reboot, since we might not
-                                  have set up boot_cpu_id or smp_num_cpu */
+                                  have detected BSP APIC ID or smp_num_cpu */
                        break;
 #endif /* CONFIG_SMP */
 
@@ -194,6 +195,24 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
                        DMI_MATCH(DMI_BOARD_NAME, "0KP561"),
                },
        },
+       {   /* Handle problems with rebooting on Dell Optiplex 360 with 0T656F */
+               .callback = set_bios_reboot,
+               .ident = "Dell OptiPlex 360",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 360"),
+                       DMI_MATCH(DMI_BOARD_NAME, "0T656F"),
+               },
+       },
+       {       /* Handle problems with rebooting on Dell OptiPlex 760 with 0G919G*/
+               .callback = set_bios_reboot,
+               .ident = "Dell OptiPlex 760",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 760"),
+                       DMI_MATCH(DMI_BOARD_NAME, "0G919G"),
+               },
+       },
        {       /* Handle problems with rebooting on Dell 2400's */
                .callback = set_bios_reboot,
                .ident = "Dell PowerEdge 2400",
@@ -210,6 +229,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation T5400"),
                },
        },
+       {       /* Handle problems with rebooting on Dell T7400's */
+               .callback = set_bios_reboot,
+               .ident = "Dell Precision T7400",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation T7400"),
+               },
+       },
        {       /* Handle problems with rebooting on HP laptops */
                .callback = set_bios_reboot,
                .ident = "HP Compaq Laptop",
@@ -218,6 +245,54 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq"),
                },
        },
+       {       /* Handle problems with rebooting on Dell XPS710 */
+               .callback = set_bios_reboot,
+               .ident = "Dell XPS710",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Dell XPS710"),
+               },
+       },
+       {       /* Handle problems with rebooting on Dell DXP061 */
+               .callback = set_bios_reboot,
+               .ident = "Dell DXP061",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Dell DXP061"),
+               },
+       },
+       {       /* Handle problems with rebooting on Sony VGN-Z540N */
+               .callback = set_bios_reboot,
+               .ident = "Sony VGN-Z540N",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "VGN-Z540N"),
+               },
+       },
+       {       /* Handle problems with rebooting on CompuLab SBC-FITPC2 */
+               .callback = set_bios_reboot,
+               .ident = "CompuLab SBC-FITPC2",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "CompuLab"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "SBC-FITPC2"),
+               },
+       },
+       {       /* Handle problems with rebooting on ASUS P4S800 */
+               .callback = set_bios_reboot,
+               .ident = "ASUS P4S800",
+               .matches = {
+                       DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
+                       DMI_MATCH(DMI_BOARD_NAME, "P4S800"),
+               },
+       },
+       {       /* Handle problems with rebooting on VersaLogic Menlow boards */
+               .callback = set_bios_reboot,
+               .ident = "VersaLogic Menlow based board",
+               .matches = {
+                       DMI_MATCH(DMI_BOARD_VENDOR, "VersaLogic Corporation"),
+                       DMI_MATCH(DMI_BOARD_NAME, "VersaLogic Menlow board"),
+               },
+       },
        { }
 };
 
@@ -305,16 +380,10 @@ void machine_real_restart(const unsigned char *code, int length)
        CMOS_WRITE(0x00, 0x8f);
        spin_unlock(&rtc_lock);
 
-       /* Remap the kernel at virtual address zero, as well as offset zero
-          from the kernel segment.  This assumes the kernel segment starts at
-          virtual address PAGE_OFFSET. */
-       memcpy(swapper_pg_dir, swapper_pg_dir + KERNEL_PGD_BOUNDARY,
-               sizeof(swapper_pg_dir [0]) * KERNEL_PGD_PTRS);
-
        /*
-        * Use `swapper_pg_dir' as our page directory.
+        * Switch back to the initial page table.
         */
-       load_cr3(swapper_pg_dir);
+       load_cr3(initial_page_table);
 
        /* Write 0x1234 to absolute memory location 0x472.  The BIOS reads
           this on booting to tell it to "Bypass memory test (also warm
@@ -365,6 +434,78 @@ EXPORT_SYMBOL(machine_real_restart);
 
 #endif /* CONFIG_X86_32 */
 
+/*
+ * Some Apple MacBook and MacBookPro's needs reboot=p to be able to reboot
+ */
+static int __init set_pci_reboot(const struct dmi_system_id *d)
+{
+       if (reboot_type != BOOT_CF9) {
+               reboot_type = BOOT_CF9;
+               printk(KERN_INFO "%s series board detected. "
+                      "Selecting PCI-method for reboots.\n", d->ident);
+       }
+       return 0;
+}
+
+static struct dmi_system_id __initdata pci_reboot_dmi_table[] = {
+       {       /* Handle problems with rebooting on Apple MacBook5 */
+               .callback = set_pci_reboot,
+               .ident = "Apple MacBook5",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "MacBook5"),
+               },
+       },
+       {       /* Handle problems with rebooting on Apple MacBookPro5 */
+               .callback = set_pci_reboot,
+               .ident = "Apple MacBookPro5",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro5"),
+               },
+       },
+       {       /* Handle problems with rebooting on Apple Macmini3,1 */
+               .callback = set_pci_reboot,
+               .ident = "Apple Macmini3,1",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Macmini3,1"),
+               },
+       },
+       {       /* Handle problems with rebooting on the iMac9,1. */
+               .callback = set_pci_reboot,
+               .ident = "Apple iMac9,1",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "iMac9,1"),
+               },
+       },
+       {       /* Handle problems with rebooting on the Latitude E6220. */
+               .callback = set_pci_reboot,
+               .ident = "Dell Latitude E6220",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6220"),
+               },
+       },
+       {       /* Handle problems with rebooting on the Latitude E6520. */
+               .callback = set_pci_reboot,
+               .ident = "Dell Latitude E6520",
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Latitude E6520"),
+               },
+       },
+       { }
+};
+
+static int __init pci_reboot_init(void)
+{
+       dmi_check_system(pci_reboot_dmi_table);
+       return 0;
+}
+core_initcall(pci_reboot_init);
+
 static inline void kb_wait(void)
 {
        int i;
@@ -429,6 +570,8 @@ static void native_machine_emergency_restart(void)
        if (reboot_emergency)
                emergency_vmx_disable_all();
 
+       tboot_shutdown(TB_SHUTDOWN_REBOOT);
+
        /* Tell the BIOS if we want cold or warm reboot */
        *((unsigned short *)__va(0x472)) = reboot_mode;
 
@@ -517,7 +660,7 @@ void native_machine_shutdown(void)
        /* O.K Now that I'm on the appropriate processor,
         * stop all of the others.
         */
-       smp_send_stop();
+       stop_other_cpus();
 #endif
 
        lapic_shutdown();
@@ -531,7 +674,7 @@ void native_machine_shutdown(void)
 #endif
 
 #ifdef CONFIG_X86_64
-       pci_iommu_shutdown();
+       x86_platform.iommu_shutdown();
 #endif
 }
 
@@ -555,6 +698,8 @@ static void native_machine_halt(void)
        /* stop other cpus and apics */
        machine_shutdown();
 
+       tboot_shutdown(TB_SHUTDOWN_HALT);
+
        /* stop this cpu */
        stop_this_cpu(NULL);
 }
@@ -566,6 +711,8 @@ static void native_machine_power_off(void)
                        machine_shutdown();
                pm_power_off();
        }
+       /* a fallback in case there is no PM info available */
+       tboot_shutdown(TB_SHUTDOWN_HALT);
 }
 
 struct machine_ops machine_ops = {
@@ -625,7 +772,7 @@ static int crash_nmi_callback(struct notifier_block *self,
 {
        int cpu;
 
-       if (val != DIE_NMI_IPI)
+       if (val != DIE_NMI)
                return NOTIFY_OK;
 
        cpu = raw_smp_processor_id();
@@ -656,6 +803,8 @@ static void smp_send_nmi_allbutself(void)
 
 static struct notifier_block crash_nmi_nb = {
        .notifier_call = crash_nmi_callback,
+       /* we want to be the first one called */
+       .priority = NMI_LOCAL_HIGH_PRIOR+1,
 };
 
 /* Halt all other CPUs, calling the specified function on each of them