ARC: Add tune for ARC HS4* processors

Signed-off-by: Evgeniy Didin <[email protected]>

Author: EvgeniiDidin

arch/Config.in.arc

@@ -30,12 +30,21 @@ config BR2_archs38_full
 
 	  It corresponds to "hs38_slc_full" ARC HS template in ARChitect.
 
+
+config BR2_archs4x_rel31
+        bool "ARC HS48 rel 31"
+        help
+	   Latest release of HS48 processor
+           - Dual- and quad multiply and MC oprations
+           - Double-precision FPU
+
+
 endchoice
 
 # Choice of atomic instructions presence
 config BR2_ARC_ATOMIC_EXT
 	bool "Atomic extension (LLOCK/SCOND instructions)"
-	default y if BR2_arc770d || BR2_archs38 || BR2_archs38_full
+	default y if BR2_arc770d || BR2_archs38 || BR2_archs38_full || BR2_archs4x_rel31
 
 config BR2_ARCH
 	default "arc"	if BR2_arcle
@@ -54,10 +63,11 @@ config BR2_GCC_TARGET_CPU
 	default "arc700" if BR2_arc770d
 	default "archs"	 if BR2_archs38
 	default "hs38_linux"	 if BR2_archs38_full
+	default "hs4x_rel31" if BR2_archs4x_rel31
 
 config BR2_READELF_ARCH_NAME
 	default "ARCompact"	if BR2_arc750d || BR2_arc770d
-	default "ARCv2"		if BR2_archs38 || BR2_archs38_full
+	default "ARCv2"		if BR2_archs38 || BR2_archs38_full || BR2_archs4x_rel31
 
 choice
 	prompt "MMU Page Size"
@@ -77,7 +87,7 @@ choice
 
 config BR2_ARC_PAGE_SIZE_4K
 	bool "4KB"
-	depends on BR2_arc770d || BR2_archs38 || BR2_archs38_full
+	depends on BR2_arc770d || BR2_archs38 || BR2_archs38_full || BR2_archs4x_rel31
 
 config BR2_ARC_PAGE_SIZE_8K
 	bool "8KB"
@@ -87,7 +97,7 @@ config BR2_ARC_PAGE_SIZE_8K
 
 config BR2_ARC_PAGE_SIZE_16K
 	bool "16KB"
-	depends on BR2_arc770d || BR2_archs38 || BR2_archs38_full
+	depends on BR2_arc770d || BR2_archs38 || BR2_archs38_fulla || BR2_archs4x_rel31
 
 endchoice