ARCv2: MMUv4: TLB programming Model changes

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index f723988..6568977 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -267,6 +267,7 @@
 	prompt "MMU Version"
 	default ARC_MMU_V3 if ARC_CPU_770
 	default ARC_MMU_V2 if ARC_CPU_750D
+	default ARC_MMU_V4 if ARC_CPU_HS
 
 config ARC_MMU_V1
 	bool "MMU v1"
@@ -287,6 +288,10 @@
 	  Variable Page size (1k-16k), var JTLB size 128 x (2 or 4)
 	  Shared Address Spaces (SASID)
 
+config ARC_MMU_V4
+	bool "MMU v4"
+	depends on ISA_ARCV2
+
 endchoice