menu "ARC architecture" depends on ARC config SYS_ARCH 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_AXS101 bool "Support axs101" endchoice source "board/abilis/tb100/Kconfig" source "board/synopsys/Kconfig" source "board/synopsys/axs101/Kconfig" endmenu