MIPS: SGI-IP27: move IP27 specific macro to IP27 specific header file

Extracting node id from HUB register is specific to IP27 alias SN0.
Move the macro definition to a SN0 header file.

Signed-off-by: Thomas Bogendoerfer <[e-mail]>
Signed-off-by: Paul Burton <[e-mail]>
Cc: Ralf Baechle <[e-mail]>
Cc: James Hogan <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]

arch/mips/include/asm/mach-ip27/kernel-entry-init.h

···
 #include <asm/sn/klkernvars.h>
 
 /*
- * Returns the local nasid into res.
- */
-	.macro GET_NASID_ASM res
-	dli	\res, LOCAL_HUB_ADDR(NI_STATUS_REV_ID)
-	ld	\res, (\res)
-	and	\res, NSRI_NODEID_MASK
-	dsrl	\res, NSRI_NODEID_SHFT
-	.endm
-
-/*
  * TLB bits
  */
 #define PAGE_GLOBAL		(1 << 6)

arch/mips/include/asm/sn/sn0/hub.h

···
 #define UATTR_MSPEC	2
 #define UATTR_UNCAC	3
 
+#ifdef __ASSEMBLY__
+/*
+ * Returns the local nasid into res.
+ */
+	.macro GET_NASID_ASM res
+	dli	\res, LOCAL_HUB_ADDR(NI_STATUS_REV_ID)
+	ld	\res, (\res)
+	and	\res, NSRI_NODEID_MASK
+	dsrl	\res, NSRI_NODEID_SHFT
+	.endm
+#endif
+
 #endif /* _ASM_SN_SN0_HUB_H */