diff options
Diffstat (limited to 'arch/arc/Kconfig')
| -rw-r--r-- | arch/arc/Kconfig | 59 |
1 files changed, 57 insertions, 2 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig index a8dc4e2336..24f5c02c76 100644 --- 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 |