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kernel/linux-rt-4.4.41/arch/unicore32/mm/Kconfig 1.17 KB
5113f6f70   김현기   kernel add
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  comment "Processor Type"
  
  # Select CPU types depending on the architecture selected.  This selects
  # which CPUs we support in the kernel image, and the compiler instruction
  # optimiser behaviour.
  
  config CPU_UCV2
  	def_bool y
  
  comment "Processor Features"
  
  config CPU_ICACHE_DISABLE
  	bool "Disable I-Cache (I-bit)"
  	help
  	  Say Y here to disable the processor instruction cache. Unless
  	  you have a reason not to or are unsure, say N.
  
  config CPU_DCACHE_DISABLE
  	bool "Disable D-Cache (D-bit)"
  	help
  	  Say Y here to disable the processor data cache. Unless
  	  you have a reason not to or are unsure, say N.
  
  config CPU_DCACHE_WRITETHROUGH
  	bool "Force write through D-cache"
  	help
  	  Say Y here to use the data cache in writethrough mode. Unless you
  	  specifically require this or are unsure, say N.
  
  config CPU_DCACHE_LINE_DISABLE
  	bool "Disable D-cache line ops"
  	default y
  	help
  	  Say Y here to disable the data cache line operations.
  
  config CPU_TLB_SINGLE_ENTRY_DISABLE
  	bool "Disable TLB single entry ops"
  	default y
  	help
  	  Say Y here to disable the TLB single entry operations.
  
  config SWIOTLB
  	def_bool y
  
  config IOMMU_HELPER
  	def_bool SWIOTLB
  
  config NEED_SG_DMA_LENGTH
  	def_bool SWIOTLB