x86: move smp_intr_init away from smpboot_32.c

[sfrench/cifs-2.6.git] / arch / x86 / kernel / apic_32.c

diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 35a568ea8400269f4fde96377e76e1013fc5c3e3..c32cc0feb47b8e333aa2e2868fbb9afac853f4d6 100644 (file)
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -620,6 +620,35 @@ int setup_profiling_timer(unsigned int multiplier)
        return -EINVAL;
 }
 
+/*
+ * Setup extended LVT, AMD specific (K8, family 10h)
+ *
+ * Vector mappings are hard coded. On K8 only offset 0 (APIC500) and
+ * MCE interrupts are supported. Thus MCE offset must be set to 0.
+ */
+
+#define APIC_EILVT_LVTOFF_MCE 0
+#define APIC_EILVT_LVTOFF_IBS 1
+
+static void setup_APIC_eilvt(u8 lvt_off, u8 vector, u8 msg_type, u8 mask)
+{
+       unsigned long reg = (lvt_off << 4) + APIC_EILVT0;
+       unsigned int  v   = (mask << 16) | (msg_type << 8) | vector;
+       apic_write(reg, v);
+}
+
+u8 setup_APIC_eilvt_mce(u8 vector, u8 msg_type, u8 mask)
+{
+       setup_APIC_eilvt(APIC_EILVT_LVTOFF_MCE, vector, msg_type, mask);
+       return APIC_EILVT_LVTOFF_MCE;
+}
+
+u8 setup_APIC_eilvt_ibs(u8 vector, u8 msg_type, u8 mask)
+{
+       setup_APIC_eilvt(APIC_EILVT_LVTOFF_IBS, vector, msg_type, mask);
+       return APIC_EILVT_LVTOFF_IBS;
+}
+
 /*
  * Local APIC start and shutdown
  */
@@ -1288,6 +1317,29 @@ void smp_error_interrupt(struct pt_regs *regs)
        irq_exit();
 }
 
+#ifdef CONFIG_SMP
+void __init smp_intr_init(void)
+{
+       /*
+        * IRQ0 must be given a fixed assignment and initialized,
+        * because it's used before the IO-APIC is set up.
+        */
+       set_intr_gate(FIRST_DEVICE_VECTOR, interrupt[0]);
+
+       /*
+        * The reschedule interrupt is a CPU-to-CPU reschedule-helper
+        * IPI, driven by wakeup.
+        */
+       set_intr_gate(RESCHEDULE_VECTOR, reschedule_interrupt);
+
+       /* IPI for invalidation */
+       set_intr_gate(INVALIDATE_TLB_VECTOR, invalidate_interrupt);
+
+       /* IPI for generic function call */
+       set_intr_gate(CALL_FUNCTION_VECTOR, call_function_interrupt);
+}
+#endif
+
 /*
  * Initialize APIC interrupts
  */