1menu "ARC architecture" 2 depends on ARC 3 4config SYS_ARCH 5 default "arc" 6 7config SYS_CPU 8 default "arcv1" if ISA_ARCOMPACT 9 default "arcv2" if ISA_ARCV2 10 11choice 12 prompt "ARC Instruction Set" 13 default ISA_ARCOMPACT 14 15config ISA_ARCOMPACT 16 bool "ARCompact ISA" 17 help 18 The original ARC ISA of ARC600/700 cores 19 20config ISA_ARCV2 21 bool "ARC ISA v2" 22 help 23 ISA for the Next Generation ARC-HS cores 24 25endchoice 26 27choice 28 prompt "CPU selection" 29 default CPU_ARC770D if ISA_ARCOMPACT 30 default CPU_ARCHS38 if ISA_ARCV2 31 32config 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 39config 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 46config 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 53config 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 60config 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 67endchoice 68 69choice 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 77config ARC_MMU_ABSENT 78 bool "No MMU" 79 help 80 No MMU 81 82config 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 89config 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 97config ARC_MMU_V4 98 bool "MMU v4" 99 depends on CPU_ARCHS38 100 help 101 Introduced as a part of ARC HS38 release. 102 103endchoice 104 105config 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 111config SYS_ICACHE_OFF 112 bool "Do not use Instruction Cache" 113 default n 114 115config SYS_DCACHE_OFF 116 bool "Do not use Data Cache" 117 default n 118 119menuconfig ARC_DBG 120 bool "ARC debugging" 121 default n 122 123if ARC_DBG 124 125config ARC_DBG_IOC_ENABLE 126 bool "Enable IO coherency unit" 127 depends on CPU_ARCHS38 128 default n 129 help 130 Enable IO coherency unit to debug problems with caches and 131 DMA peripherals. 132 NOTE: as of today linux will not work properly if this option 133 is enabled in u-boot! 134 135endif 136 137choice 138 prompt "Target select" 139 default TARGET_AXS103 140 141config TARGET_TB100 142 bool "Support tb100" 143 144config TARGET_NSIM 145 bool "Support standalone nSIM & Free nSIM" 146 147config TARGET_AXS101 148 bool "Support Synopsys Designware SDP board AXS101" 149 150config TARGET_AXS103 151 bool "Support Synopsys Designware SDP board AXS103" 152 153config TARGET_EMDK 154 bool "Synopsys EM Development kit" 155 select CPU_ARCEM6 156 157config TARGET_HSDK 158 bool "Support Synpsys HS DevelopmentKit board" 159 160endchoice 161 162source "board/abilis/tb100/Kconfig" 163source "board/synopsys/Kconfig" 164source "board/synopsys/axs10x/Kconfig" 165source "board/synopsys/emdk/Kconfig" 166source "board/synopsys/hsdk/Kconfig" 167 168endmenu 169