arc: remove dummy target

[people/ms/u-boot.git] / arch / arc / Kconfig

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index a8dc4e2336da12aeef0c696be61267688492d925..67d28d33f93304f51a0575b412ba85aff3b796f4 100644 (file)
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -8,30 +8,79 @@ config USE_PRIVATE_LIBGCC
        default y
 
 config SYS_CPU
-       default "arcv1"
+       default "arcv1" if ISA_ARCOMPACT
+       default "arcv2" if ISA_ARCV2
+
+choice
+       prompt "ARC Instruction Set"
+       default ISA_ARCOMPACT
+
+config ISA_ARCOMPACT
+       bool "ARCompact ISA"
+       help
+         The original ARC ISA of ARC600/700 cores
+
+config ISA_ARCV2
+       bool "ARC ISA v2"
+       help
+         ISA for the Next Generation ARC-HS cores
+
+endchoice
 
 choice
        prompt "CPU selection"
-       default CPU_ARC770D
+       default CPU_ARC770D if ISA_ARCOMPACT
+       default CPU_ARCHS38 if ISA_ARCV2
 
 config CPU_ARC750D
        bool "ARC 750D"
        select ARC_MMU_V2
+       depends on ISA_ARCOMPACT
        help
          Choose this option to build an U-Boot for ARC750D CPU.
 
 config CPU_ARC770D
        bool "ARC 770D"
        select ARC_MMU_V3
+       depends on ISA_ARCOMPACT
        help
          Choose this option to build an U-Boot for ARC770D CPU.
 
+config CPU_ARCEM6
+       bool "ARC EM6"
+       select ARC_MMU_ABSENT
+       depends on ISA_ARCV2
+       help
+         Next Generation ARC Core based on ISA-v2 ISA without MMU.
+
+config CPU_ARCHS36
+       bool "ARC HS36"
+       select ARC_MMU_ABSENT
+       depends on ISA_ARCV2
+       help
+         Next Generation ARC Core based on ISA-v2 ISA without MMU.
+
+config CPU_ARCHS38
+       bool "ARC HS38"
+       select ARC_MMU_V4
+       depends on ISA_ARCV2
+       help
+         Next Generation ARC Core based on ISA-v2 ISA with MMU.
+
 endchoice
 
 choice
        prompt "MMU Version"
        default ARC_MMU_V3 if CPU_ARC770D
        default ARC_MMU_V2 if CPU_ARC750D
+       default ARC_MMU_ABSENT if CPU_ARCEM6
+       default ARC_MMU_ABSENT if CPU_ARCHS36
+       default ARC_MMU_V4 if CPU_ARCHS38
+
+config ARC_MMU_ABSENT
+       bool "No MMU"
+       help
+         No MMU
 
 config ARC_MMU_V2
        bool "MMU v2"
@@ -48,6 +97,12 @@ config ARC_MMU_V3
          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 CPU_ARCHS38
+       help
+         Introduced as a part of ARC HS38 release.
+
 endchoice
 
 config CPU_BIG_ENDIAN
@@ -68,7 +123,7 @@ config ARC_CACHE_LINE_SHIFT
        int "Cache Line Length (as power of 2)"
        range 5 7
        default "6"
-       depends on !SYS_DCACHE_OFF || !SYS_DCACHE_OFF
+       depends on !SYS_DCACHE_OFF || !SYS_ICACHE_OFF
        help
          Starting with ARC700 4.9, Cache line length is configurable,
          This option specifies "N", with Line-len = 2 power N
@@ -77,6 +132,7 @@ config ARC_CACHE_LINE_SHIFT
 
 choice
        prompt "Target select"
+       optional
 
 config TARGET_TB100
        bool "Support tb100"