summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/es7000/wakecpu.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/es7000/wakecpu.h')
-rw-r--r--arch/x86/include/asm/es7000/wakecpu.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/arch/x86/include/asm/es7000/wakecpu.h b/arch/x86/include/asm/es7000/wakecpu.h
new file mode 100644
index 00000000000..3ffc5a7bf66
--- /dev/null
+++ b/arch/x86/include/asm/es7000/wakecpu.h
@@ -0,0 +1,59 @@
+#ifndef __ASM_ES7000_WAKECPU_H
+#define __ASM_ES7000_WAKECPU_H
+
+/*
+ * This file copes with machines that wakeup secondary CPUs by the
+ * INIT, INIT, STARTUP sequence.
+ */
+
+#ifdef CONFIG_ES7000_CLUSTERED_APIC
+#define WAKE_SECONDARY_VIA_MIP
+#else
+#define WAKE_SECONDARY_VIA_INIT
+#endif
+
+#ifdef WAKE_SECONDARY_VIA_MIP
+extern int es7000_start_cpu(int cpu, unsigned long eip);
+static inline int
+wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip)
+{
+ int boot_error = 0;
+ boot_error = es7000_start_cpu(phys_apicid, start_eip);
+ return boot_error;
+}
+#endif
+
+#define TRAMPOLINE_LOW phys_to_virt(0x467)
+#define TRAMPOLINE_HIGH phys_to_virt(0x469)
+
+#define boot_cpu_apicid boot_cpu_physical_apicid
+
+static inline void wait_for_init_deassert(atomic_t *deassert)
+{
+#ifdef WAKE_SECONDARY_VIA_INIT
+ while (!atomic_read(deassert))
+ cpu_relax();
+#endif
+ return;
+}
+
+/* Nothing to do for most platforms, since cleared by the INIT cycle */
+static inline void smp_callin_clear_local_apic(void)
+{
+}
+
+static inline void store_NMI_vector(unsigned short *high, unsigned short *low)
+{
+}
+
+static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
+{
+}
+
+#if APIC_DEBUG
+ #define inquire_remote_apic(apicid) __inquire_remote_apic(apicid)
+#else
+ #define inquire_remote_apic(apicid) {}
+#endif
+
+#endif /* __ASM_MACH_WAKECPU_H */