Merge branch 'linus' into x86/quirks

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / acpi / boot.c

diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 12e260e8fb2a9c35a2434bf13d156187191fc257..eb875cdc7367c3aee3fcb285606c1e993cc808af 100644 (file)
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -58,7 +58,6 @@ EXPORT_SYMBOL(acpi_disabled);
 #ifdef CONFIG_X86_64
 
 #include <asm/proto.h>
-#include <asm/genapic.h>
 
 #else                          /* X86 */
 
@@ -158,6 +157,16 @@ char *__init __acpi_map_table(unsigned long phys, unsigned long size)
 struct acpi_mcfg_allocation *pci_mmcfg_config;
 int pci_mmcfg_config_num;
 
+static int acpi_mcfg_64bit_base_addr __initdata = FALSE;
+
+static int __init acpi_mcfg_oem_check(struct acpi_table_mcfg *mcfg)
+{
+       if (!strcmp(mcfg->header.oem_id, "SGI"))
+               acpi_mcfg_64bit_base_addr = TRUE;
+
+       return 0;
+}
+
 int __init acpi_parse_mcfg(struct acpi_table_header *header)
 {
        struct acpi_table_mcfg *mcfg;
@@ -190,8 +199,12 @@ int __init acpi_parse_mcfg(struct acpi_table_header *header)
        }
 
        memcpy(pci_mmcfg_config, &mcfg[1], config_size);
+
+       acpi_mcfg_oem_check(mcfg);
+
        for (i = 0; i < pci_mmcfg_config_num; ++i) {
-               if (pci_mmcfg_config[i].address > 0xFFFFFFFF) {
+               if ((pci_mmcfg_config[i].address > 0xFFFFFFFF) &&
+                   !acpi_mcfg_64bit_base_addr) {
                        printk(KERN_ERR PREFIX
                               "MMCONFIG not in low 4GB of memory\n");
                        kfree(pci_mmcfg_config);
@@ -239,10 +252,8 @@ static void __cpuinit acpi_register_lapic(int id, u8 enabled)
                return;
        }
 
-#ifdef CONFIG_X86_32
        if (boot_cpu_physical_apicid != -1U)
                ver = apic_version[boot_cpu_physical_apicid];
-#endif
 
        generic_processor_info(id, ver);
 }
@@ -762,10 +773,8 @@ static void __init acpi_register_lapic_address(unsigned long address)
        set_fixmap_nocache(FIX_APIC_BASE, address);
        if (boot_cpu_physical_apicid == -1U) {
                boot_cpu_physical_apicid  = read_apic_id();
-#ifdef CONFIG_X86_32
                apic_version[boot_cpu_physical_apicid] =
                         GET_APIC_VERSION(apic_read(APIC_LVR));
-#endif
        }
 }
 
@@ -1409,8 +1418,16 @@ static int __init force_acpi_ht(const struct dmi_system_id *d)
  */
 static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d)
 {
-       pr_notice("%s detected: Ignoring BIOS IRQ0 pin2 override\n", d->ident);
-       acpi_skip_timer_override = 1;
+       /*
+        * The ati_ixp4x0_rev() early PCI quirk should have set
+        * the acpi_skip_timer_override flag already:
+        */
+       if (!acpi_skip_timer_override) {
+               WARN(1, KERN_ERR "ati_ixp4x0 quirk not complete.\n");
+               pr_notice("%s detected: Ignoring BIOS IRQ0 pin2 override\n",
+                       d->ident);
+               acpi_skip_timer_override = 1;
+       }
        return 0;
 }
 
@@ -1591,6 +1608,14 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
         * is not connected at all.  Force ignoring BIOS IRQ0 pin2
         * override in that cases.
         */
+       {
+        .callback = dmi_ignore_irq0_timer_override,
+        .ident = "HP nx6115 laptop",
+        .matches = {
+                    DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+                    DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6115"),
+                    },
+        },
        {
         .callback = dmi_ignore_irq0_timer_override,
         .ident = "HP NX6125 laptop",
@@ -1607,6 +1632,14 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
                     DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6325"),
                     },
         },
+       {
+        .callback = dmi_ignore_irq0_timer_override,
+        .ident = "HP 6715b laptop",
+        .matches = {
+                    DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+                    DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6715b"),
+                    },
+        },
        {}
 };