Merge commit 'v2.6.28-rc2' into x86/uv

[pandora-kernel.git] / arch / x86 / kernel / genx2apic_uv_x.c

diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index 33581d9..dc6b469 100644 (file)
--- a/arch/x86/kernel/genx2apic_uv_x.c
+++ b/arch/x86/kernel/genx2apic_uv_x.c
@@ -30,7 +30,7 @@ DEFINE_PER_CPU(int, x2apic_extra_bits);
 
 static enum uv_system_type uv_system_type;
 
-static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+static int uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 {
        if (!strcmp(oem_id, "SGI")) {
                if (!strcmp(oem_table_id, "UVL"))
@@ -341,12 +341,12 @@ static __init void map_mmioh_high(int max_pnode)
 
 static __init void uv_rtc_init(void)
 {
-       long status, ticks_per_sec, drift;
+       long status;
+       u64 ticks_per_sec;
 
-       status =
-           x86_bios_freq_base(BIOS_FREQ_BASE_REALTIME_CLOCK, &ticks_per_sec,
-                                       &drift);
-       if (status != 0 || ticks_per_sec < 100000) {
+       status = uv_bios_freq_base(BIOS_FREQ_BASE_REALTIME_CLOCK,
+                                       &ticks_per_sec);
+       if (status != BIOS_STATUS_SUCCESS || ticks_per_sec < 100000) {
                printk(KERN_WARNING
                        "unable to determine platform RTC clock frequency, "
                        "guessing.\n");
@@ -356,7 +356,22 @@ static __init void uv_rtc_init(void)
                sn_rtc_cycles_per_second = ticks_per_sec;
 }
 
-static bool uv_system_inited;
+/*
+ * Called on each cpu to initialize the per_cpu UV data area.
+ *     ZZZ hotplug not supported yet
+ */
+void __cpuinit uv_cpu_init(void)
+{
+       /* CPU 0 initilization will be done via uv_system_init. */
+       if (!uv_blade_info)
+               return;
+
+       uv_blade_info[uv_numa_blade_id()].nr_online_cpus++;
+
+       if (get_uv_system_type() == UV_NON_UNIQUE_APIC)
+               set_x2apic_extra_bits(uv_hub_info->pnode);
+}
+
 
 void __init uv_system_init(void)
 {
@@ -412,6 +427,9 @@ void __init uv_system_init(void)
        gnode_upper = (((unsigned long)node_id.s.node_id) &
                       ~((1 << n_val) - 1)) << m_val;
 
+       uv_bios_init();
+       uv_bios_get_sn_info(0, &uv_type, &sn_partition_id,
+                           &sn_coherency_id, &sn_region_size);
        uv_rtc_init();
 
        for_each_present_cpu(cpu) {
@@ -433,7 +451,7 @@ void __init uv_system_init(void)
                uv_cpu_hub_info(cpu)->gpa_mask = (1 << (m_val + n_val)) - 1;
                uv_cpu_hub_info(cpu)->gnode_upper = gnode_upper;
                uv_cpu_hub_info(cpu)->global_mmr_base = mmr_base;
-               uv_cpu_hub_info(cpu)->coherency_domain_number = 0;/* ZZZ */
+               uv_cpu_hub_info(cpu)->coherency_domain_number = sn_coherency_id;
                uv_node_to_blade[nid] = blade;
                uv_cpu_to_blade[cpu] = blade;
                max_pnode = max(pnode, max_pnode);
@@ -448,21 +466,6 @@ void __init uv_system_init(void)
        map_mmr_high(max_pnode);
        map_config_high(max_pnode);
        map_mmioh_high(max_pnode);
-       uv_system_inited = true;
-}
 
-/*
- * Called on each cpu to initialize the per_cpu UV data area.
- *     ZZZ hotplug not supported yet
- */
-void __cpuinit uv_cpu_init(void)
-{
-       BUG_ON(!uv_system_inited);
-
-       uv_blade_info[uv_numa_blade_id()].nr_online_cpus++;
-
-       if (get_uv_system_type() == UV_NON_UNIQUE_APIC)
-               set_x2apic_extra_bits(uv_hub_info->pnode);
+       uv_cpu_init();
 }
-
-