arc: Rename ARCangel4 board to nSIM

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

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index 51d5aff08e68667c00a42bb244e4857eef6b32e0..b81d0ca3c35ac938c490d42fe8464458ea08fbba 100644 (file)
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -2,20 +2,129 @@ menu "ARC architecture"
        depends on ARC
 
 config SYS_ARCH
-       string
        default "arc"
 
+config SYS_CPU
+       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 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"
+       depends on CPU_ARC750D
+       help
+         Fixed the deficiency of v1 - possible thrashing in memcpy sceanrio
+         when 2 D-TLB and 1 I-TLB entries index into same 2way set.
+
+config ARC_MMU_V3
+       bool "MMU v3"
+       depends on CPU_ARC770D
+       help
+         Introduced with ARC700 4.10: New Features
+         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
+       bool "Enable Big Endian Mode"
+       default n
+       help
+         Build kernel for Big Endian Mode of ARC CPU
+
+config SYS_ICACHE_OFF
+       bool "Do not use Instruction Cache"
+       default n
+
+config SYS_DCACHE_OFF
+       bool "Do not use Data Cache"
+       default n
+
 choice
        prompt "Target select"
+       default TARGET_AXS101
 
 config TARGET_TB100
        bool "Support tb100"
 
-config TARGET_ARCANGEL4
-       bool "Support arcangel4"
-
-config TARGET_ARCANGEL4_BE
-       bool "Support arcangel4-be"
+config TARGET_NSIM
+       bool "Support standalone nSIM & Free nSIM"
 
 config TARGET_AXS101
        bool "Support axs101"