1 files changed, 75 insertions, 0 deletions
diff --git a/include/asm-sparc64/smp.h b/include/asm-sparc64/smp.h
new file mode 100644
index 00000000000..5e3e06d908f
--- /dev/null
+++ b/include/asm-sparc64/smp.h
@@ -0,0 +1,75 @@
+/* smp.h: Sparc64 specific SMP stuff.
+ *
+ * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+#ifndef _SPARC64_SMP_H
+#define _SPARC64_SMP_H
+
+#include <linux/config.h>
+#include <linux/threads.h>
+#include <asm/asi.h>
+#include <asm/starfire.h>
+#include <asm/spitfire.h>
+
+#ifndef __ASSEMBLY__
+
+#include <linux/cpumask.h>
+#include <linux/cache.h>
+
+#endif /* !(__ASSEMBLY__) */
+
+#ifdef CONFIG_SMP
+
+#ifndef __ASSEMBLY__
+
+/*
+ *	Private routines/data
+ */
+ 
+#include <asm/bitops.h>
+#include <asm/atomic.h>
+
+extern cpumask_t phys_cpu_present_map;
+#define cpu_possible_map phys_cpu_present_map
+
+/*
+ *	General functions that each host system must provide.
+ */
+
+static __inline__ int hard_smp_processor_id(void)
+{
+	if (tlb_type == cheetah || tlb_type == cheetah_plus) {
+		unsigned long cfg, ver;
+		__asm__ __volatile__("rdpr %%ver, %0" : "=r" (ver));
+		if ((ver >> 32) == 0x003e0016) {
+			__asm__ __volatile__("ldxa [%%g0] %1, %0"
+					     : "=r" (cfg)
+					     : "i" (ASI_JBUS_CONFIG));
+			return ((cfg >> 17) & 0x1f);
+		} else {
+			__asm__ __volatile__("ldxa [%%g0] %1, %0"
+					     : "=r" (cfg)
+					     : "i" (ASI_SAFARI_CONFIG));
+			return ((cfg >> 17) & 0x3ff);
+		}
+	} else if (this_is_starfire != 0) {
+		return starfire_hard_smp_processor_id();
+	} else {
+		unsigned long upaconfig;
+		__asm__ __volatile__("ldxa	[%%g0] %1, %0"
+				     : "=r" (upaconfig)
+				     : "i" (ASI_UPA_CONFIG));
+		return ((upaconfig >> 17) & 0x1f);
+	}
+}
+
+#define smp_processor_id() (current_thread_info()->cpu)
+
+#endif /* !(__ASSEMBLY__) */
+
+#endif /* !(CONFIG_SMP) */
+
+#define NO_PROC_ID		0xFF
+
+#endif /* !(_SPARC64_SMP_H) */