Eric Lee / smarc-uboot

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arch/arc/Kconfig 2.77 KB
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d41ce506b   Eric Lee   Initial Release, ... 
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  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_AXS103
  
  config TARGET_TB100
  	bool "Support tb100"
  
  config TARGET_NSIM
  	bool "Support standalone nSIM & Free nSIM"
  
  config TARGET_AXS101
  	bool "Support Synopsys Designware SDP board AXS101"
  
  config TARGET_AXS103
  	bool "Support Synopsys Designware SDP board AXS103"
  
  config TARGET_HSDK
  	bool "Support Synpsys HS DevelopmentKit board"
  
  endchoice
  
  source "board/abilis/tb100/Kconfig"
  source "board/synopsys/Kconfig"
  source "board/synopsys/axs10x/Kconfig"
  source "board/synopsys/hsdk/Kconfig"
  
  endmenu