Merge branch 'x86/cpu' into x86/xsave

[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 f489d7a9be92ffd00c662c4b18554637e4311406..27ef365e757da7cb55cc9a3ade5b6110b2080326 100644 (file)
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -97,6 +97,8 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
 #warning ACPI uses CMPXCHG, i486 and later hardware
 #endif
 
+static int acpi_mcfg_64bit_base_addr __initdata = FALSE;
+
 /* --------------------------------------------------------------------------
                               Boot-time Configuration
    -------------------------------------------------------------------------- */
@@ -158,6 +160,14 @@ 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 __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 +200,12 @@ 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);
@@ -761,7 +775,7 @@ 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  = GET_APIC_ID(read_apic_id());
+               boot_cpu_physical_apicid  = read_apic_id();
 #ifdef CONFIG_X86_32
                apic_version[boot_cpu_physical_apicid] =
                         GET_APIC_VERSION(apic_read(APIC_LVR));
@@ -1021,7 +1035,7 @@ void __init mp_config_acpi_legacy_irqs(void)
        mp_bus_id_to_type[MP_ISA_BUS] = MP_BUS_ISA;
 #endif
        set_bit(MP_ISA_BUS, mp_bus_not_pci);
-       Dprintk("Bus #%d is ISA\n", MP_ISA_BUS);
+       pr_debug("Bus #%d is ISA\n", MP_ISA_BUS);
 
 #ifdef CONFIG_X86_ES7000
        /*
@@ -1127,8 +1141,8 @@ int mp_register_gsi(u32 gsi, int triggering, int polarity)
                return gsi;
        }
        if (test_bit(ioapic_pin, mp_ioapic_routing[ioapic].pin_programmed)) {
-               Dprintk(KERN_DEBUG "Pin %d-%d already programmed\n",
-                       mp_ioapic_routing[ioapic].apic_id, ioapic_pin);
+               pr_debug(KERN_DEBUG "Pin %d-%d already programmed\n",
+                        mp_ioapic_routing[ioapic].apic_id, ioapic_pin);
 #ifdef CONFIG_X86_32
                return (gsi < IRQ_COMPRESSION_START ? gsi : gsi_to_irq[gsi]);
 #else
@@ -1337,7 +1351,9 @@ static void __init acpi_process_madt(void)
                                acpi_ioapic = 1;
 
                                smp_found_config = 1;
+#ifdef CONFIG_X86_32
                                setup_apic_routing();
+#endif
                        }
                }
                if (error == -EINVAL) {