MIPS: RM7000: Add support for tertiary cache

Add support for the external T-cache interface. Allow for platform
independent size probing from 512KB to 8MB in powers of two.

Signed-off-by: Ricardo Mendoza <ricmm@gentoo.org>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1477/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/include/asm/cacheops.h b/arch/mips/include/asm/cacheops.h
index 256ad2c..8f99c11 100644
--- a/arch/mips/include/asm/cacheops.h
+++ b/arch/mips/include/asm/cacheops.h
@@ -62,6 +62,8 @@
  * RM7000-specific cacheops
  */
 #define Page_Invalidate_T	0x16
+#define Index_Store_Tag_T	0x0a
+#define Index_Load_Tag_T	0x06
 
 /*
  * R10000-specific cacheops