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 depends on ISA_ARCOMPACT 35 select ARC_MMU_V2 36 help 37 Choose this option to build an U-Boot for ARC750D CPU. 38 39config CPU_ARC770D 40 bool "ARC 770D" 41 depends on ISA_ARCOMPACT 42 select ARC_MMU_V3 43 help 44 Choose this option to build an U-Boot for ARC770D CPU. 45 46config CPU_ARCEM6 47 bool "ARC EM6" 48 depends on ISA_ARCV2 49 select ARC_MMU_ABSENT 50 help 51 Next Generation ARC Core based on ISA-v2 ISA without MMU. 52 53config CPU_ARCHS36 54 bool "ARC HS36" 55 depends on ISA_ARCV2 56 select ARC_MMU_ABSENT 57 help 58 Next Generation ARC Core based on ISA-v2 ISA without MMU. 59 60config CPU_ARCHS38 61 bool "ARC HS38" 62 depends on ISA_ARCV2 63 select ARC_MMU_V4 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 ARC_MMU_VER 106 int 107 default 0 if ARC_MMU_ABSENT 108 default 2 if ARC_MMU_V2 109 default 3 if ARC_MMU_V3 110 default 4 if ARC_MMU_V4 111 112config CPU_BIG_ENDIAN 113 bool "Enable Big Endian Mode" 114 help 115 Build kernel for Big Endian Mode of ARC CPU 116 117config SYS_ICACHE_OFF 118 bool "Do not enable icache" 119 help 120 Do not enable instruction cache in U-Boot. 121 122config SPL_SYS_ICACHE_OFF 123 bool "Do not enable icache in SPL" 124 depends on SPL 125 default SYS_ICACHE_OFF 126 help 127 Do not enable instruction cache in SPL. 128 129config SYS_DCACHE_OFF 130 bool "Do not enable dcache" 131 help 132 Do not enable data cache in U-Boot. 133 134config SPL_SYS_DCACHE_OFF 135 bool "Do not enable dcache in SPL" 136 depends on SPL 137 default SYS_DCACHE_OFF 138 help 139 Do not enable data cache in SPL. 140 141menuconfig ARC_DBG 142 bool "ARC debugging" 143 144if ARC_DBG 145 146config ARC_DBG_IOC_ENABLE 147 bool "Enable IO coherency unit" 148 depends on CPU_ARCHS38 149 help 150 Enable IO coherency unit to debug problems with caches and 151 DMA peripherals. 152 NOTE: as of today linux will not work properly if this option 153 is enabled in u-boot! 154 155endif 156 157choice 158 prompt "Target select" 159 default TARGET_AXS103 160 161config TARGET_TB100 162 bool "Support tb100" 163 164config TARGET_NSIM 165 bool "Support ARC simulation & prototyping platforms" 166 167config TARGET_AXS101 168 bool "Support Synopsys Designware SDP board AXS101" 169 170config TARGET_AXS103 171 bool "Support Synopsys Designware SDP board AXS103" 172 173config TARGET_EMSDP 174 bool "Synopsys EM Software Development Platform" 175 select CPU_ARCEM6 176 177config TARGET_HSDK 178 bool "Support Synopsys HSDK or HSDK-4xD board" 179 180config TARGET_IOT_DEVKIT 181 bool "Synopsys Brite IoT Development kit" 182 select CPU_ARCEM6 183 184endchoice 185 186source "board/abilis/tb100/Kconfig" 187source "board/synopsys/axs10x/Kconfig" 188source "board/synopsys/emsdp/Kconfig" 189source "board/synopsys/hsdk/Kconfig" 190source "board/synopsys/iot_devkit/Kconfig" 191source "board/synopsys/nsim/Kconfig" 192 193endmenu 194