1choice 2 prompt "Target CPU" 3 default BR2_arc770d 4 depends on BR2_arc 5 help 6 Specific CPU to use 7 8config BR2_arc750d 9 bool "ARC 750D" 10 11config BR2_arc770d 12 bool "ARC 770D" 13 14config BR2_archs38 15 bool "ARC HS38" 16 help 17 Generic ARC HS capable of running Linux, i.e. with MMU, 18 caches and 32-bit multiplier. Also it corresponds to the 19 default configuration in older GNU toolchain versions. 20 21config BR2_archs38_64mpy 22 bool "ARC HS38 with 64-bit mpy" 23 help 24 Fully featured ARC HS capable of running Linux, i.e. with 25 MMU, caches and 64-bit multiplier. 26 27 If you're not sure which version of ARC HS core you build 28 for use this one. 29 30config BR2_archs38_full 31 bool "ARC HS38 with Quad MAC & FPU" 32 help 33 Fully featured ARC HS with additional support for 34 - Dual- and quad multiply and MC oprations 35 - Double-precision FPU 36 37 It corresponds to "hs38_slc_full" ARC HS template in 38 ARChitect. 39 40config BR2_archs4x_rel31 41 bool "ARC HS48 rel 31" 42 help 43 Build for HS48 release 3.1 44 45config BR2_archs4x 46 bool "ARC HS48" 47 help 48 Latest release of HS48 processor 49 - Dual and Quad multiply and MAC operations 50 - Double-precision FPU 51 52endchoice 53 54# Choice of atomic instructions presence 55config BR2_ARC_ATOMIC_EXT 56 bool "Atomic extension (LLOCK/SCOND instructions)" 57 default y if BR2_arc770d 58 default y if BR2_archs38 || BR2_archs38_64mpy || BR2_archs38_full 59 default y if BR2_archs4x_rel31 || BR2_archs4x 60 61config BR2_ARCH 62 default "arc" if BR2_arcle 63 default "arceb" if BR2_arceb 64 65config BR2_NORMALIZED_ARCH 66 default "arc" 67 68config BR2_arc 69 bool 70 default y if BR2_arcle || BR2_arceb 71 72config BR2_ENDIAN 73 default "LITTLE" if BR2_arcle 74 default "BIG" if BR2_arceb 75 76config BR2_GCC_TARGET_CPU 77 default "arc700" if BR2_arc750d 78 default "arc700" if BR2_arc770d 79 default "archs" if BR2_archs38 80 default "hs38" if BR2_archs38_64mpy 81 default "hs38_linux" if BR2_archs38_full 82 default "hs4x_rel31" if BR2_archs4x_rel31 83 default "hs4x" if BR2_archs4x 84 85config BR2_READELF_ARCH_NAME 86 default "ARCompact" if BR2_arc750d || BR2_arc770d 87 default "ARCv2" if BR2_archs38 || BR2_archs38_64mpy || BR2_archs38_full 88 default "ARCv2" if BR2_archs4x_rel31 || BR2_archs4x 89 90choice 91 prompt "MMU Page Size" 92 default BR2_ARC_PAGE_SIZE_8K 93 help 94 MMU starting from version 3 (found in ARC 770) and now 95 version 4 (found in ARC HS38) allows the selection of the 96 page size during ASIC design creation. 97 98 The following options are available for MMU v3 and v4: 4kB, 99 8kB and 16 kB. 100 101 The default is 8 kB (that really matches the only page size 102 in MMU v2). It is important to build a toolchain with page 103 size matching the hardware configuration. Otherwise 104 user-space applications will fail at runtime. 105 106config BR2_ARC_PAGE_SIZE_4K 107 bool "4KB" 108 depends on !BR2_arc750d 109 110config BR2_ARC_PAGE_SIZE_8K 111 bool "8KB" 112 help 113 This is the one and only option available for MMUv2 and 114 default value for MMU v3 and v4. 115 116config BR2_ARC_PAGE_SIZE_16K 117 bool "16KB" 118 depends on !BR2_arc750d 119 120endchoice 121 122config BR2_ARC_PAGE_SIZE 123 string 124 default "4K" if BR2_ARC_PAGE_SIZE_4K 125 default "8K" if BR2_ARC_PAGE_SIZE_8K 126 default "16K" if BR2_ARC_PAGE_SIZE_16K 127 128# vim: ft=kconfig 129# -*- mode:kconfig; -*- 130