arch/arc/Kconfig

   1 menu "ARC architecture"
   2         depends on ARC
   3
   4 config SYS_ARCH
   5         default "arc"
   6
   7 config SYS_CPU
   8         default "arcv1" if ISA_ARCOMPACT
   9         default "arcv2" if ISA_ARCV2
  10
  11 choice
  12         prompt "ARC Instruction Set"
  13         default ISA_ARCOMPACT
  14
  15 config ISA_ARCOMPACT
  16         bool "ARCompact ISA"
  17         help
  18           The original ARC ISA of ARC600/700 cores
  19
  20 config ISA_ARCV2
  21         bool "ARC ISA v2"
  22         help
  23           ISA for the Next Generation ARC-HS cores
  24
  25 endchoice
  26
  27 choice
  28         prompt "CPU selection"
  29         default CPU_ARC770D if ISA_ARCOMPACT
  30         default CPU_ARCHS38 if ISA_ARCV2
  31
  32 config CPU_ARC750D
  33         bool "ARC 750D"
  34         select ARC_MMU_V2
  35         depends on ISA_ARCOMPACT
  36         help
  37           Choose this option to build an U-Boot for ARC750D CPU.
  38
  39 config CPU_ARC770D
  40         bool "ARC 770D"
  41         select ARC_MMU_V3
  42         depends on ISA_ARCOMPACT
  43         help
  44           Choose this option to build an U-Boot for ARC770D CPU.
  45
  46 config CPU_ARCEM6
  47         bool "ARC EM6"
  48         select ARC_MMU_ABSENT
  49         depends on ISA_ARCV2
  50         help
  51           Next Generation ARC Core based on ISA-v2 ISA without MMU.
  52
  53 config CPU_ARCHS36
  54         bool "ARC HS36"
  55         select ARC_MMU_ABSENT
  56         depends on ISA_ARCV2
  57         help
  58           Next Generation ARC Core based on ISA-v2 ISA without MMU.
  59
  60 config CPU_ARCHS38
  61         bool "ARC HS38"
  62         select ARC_MMU_V4
  63         depends on ISA_ARCV2
  64         help
  65           Next Generation ARC Core based on ISA-v2 ISA with MMU.
  66
  67 endchoice
  68
  69 choice
  70         prompt "MMU Version"
  71         default ARC_MMU_V3 if CPU_ARC770D
  72         default ARC_MMU_V2 if CPU_ARC750D
  73         default ARC_MMU_ABSENT if CPU_ARCEM6
  74         default ARC_MMU_ABSENT if CPU_ARCHS36
  75         default ARC_MMU_V4 if CPU_ARCHS38
  76
  77 config ARC_MMU_ABSENT
  78         bool "No MMU"
  79         help
  80           No MMU
  81
  82 config ARC_MMU_V2
  83         bool "MMU v2"
  84         depends on CPU_ARC750D
  85         help
  86           Fixed the deficiency of v1 - possible thrashing in memcpy sceanrio
  87           when 2 D-TLB and 1 I-TLB entries index into same 2way set.
  88
  89 config ARC_MMU_V3
  90         bool "MMU v3"
  91         depends on CPU_ARC770D
  92         help
  93           Introduced with ARC700 4.10: New Features
  94           Variable Page size (1k-16k), var JTLB size 128 x (2 or 4)
  95           Shared Address Spaces (SASID)
  96
  97 config ARC_MMU_V4
  98         bool "MMU v4"
  99         depends on CPU_ARCHS38
 100         help
 101           Introduced as a part of ARC HS38 release.
 102
 103 endchoice
 104
 105 config CPU_BIG_ENDIAN
 106         bool "Enable Big Endian Mode"
 107         default n
 108         help
 109           Build kernel for Big Endian Mode of ARC CPU
 110
 111 config SYS_ICACHE_OFF
 112         bool "Do not use Instruction Cache"
 113         default n
 114
 115 config SYS_DCACHE_OFF
 116         bool "Do not use Data Cache"
 117         default n
 118
 119 choice
 120         prompt "Target select"
 121         default TARGET_AXS101
 122
 123 config TARGET_TB100
 124         bool "Support tb100"
 125
 126 config TARGET_ARCANGEL4
 127         bool "Support arcangel4"
 128
 129 config TARGET_AXS101
 130         bool "Support axs101"
 131
 132 endchoice
 133
 134 source "board/abilis/tb100/Kconfig"
 135 source "board/synopsys/Kconfig"
 136 source "board/synopsys/axs101/Kconfig"
 137
 138 endmenu