choice prompt "Target CPU" default BR2_arc770d depends on BR2_arc help Specific CPU to use config BR2_arc750d bool "ARC 750D" config BR2_arc770d bool "ARC 770D" config BR2_archs38 bool "ARC HS38" help Generic ARC HS capable of running Linux, i.e. with MMU, caches and multiplier. Also it corresponds to the default configuration in older GNU toolchain versions. If you're not sure which version of ARC HS core you build for keep this one. config BR2_archs38_full bool "ARC HS38 with Quad MAC & FPU" help Fully featured ARC HS with additional support for - Dual- and quad multiply and MC oprations - Double-precision FPU It corresponds to "hs38_slc_full" ARC HS template in ARChitect. config BR2_archs4x_rel31 bool "ARC HS48 rel 31" help Latest release of HS48 processor - Dual- and quad multiply and MC oprations - Double-precision FPU endchoice # Choice of atomic instructions presence config BR2_ARC_ATOMIC_EXT bool "Atomic extension (LLOCK/SCOND instructions)" default y if BR2_arc770d || BR2_archs38 || BR2_archs38_full || BR2_archs4x_rel31 config BR2_ARCH default "arc" if BR2_arcle default "arceb" if BR2_arceb config BR2_arc bool default y if BR2_arcle || BR2_arceb config BR2_ENDIAN default "LITTLE" if BR2_arcle default "BIG" if BR2_arceb config BR2_GCC_TARGET_CPU default "arc700" if BR2_arc750d default "arc700" if BR2_arc770d default "archs" if BR2_archs38 default "hs38_linux" if BR2_archs38_full default "hs4x_rel31" if BR2_archs4x_rel31 config BR2_READELF_ARCH_NAME default "ARCompact" if BR2_arc750d || BR2_arc770d default "ARCv2" if BR2_archs38 || BR2_archs38_full || BR2_archs4x_rel31 choice prompt "MMU Page Size" default BR2_ARC_PAGE_SIZE_8K help MMU starting from version 3 (found in ARC 770) and now version 4 (found in ARC HS38) allows the selection of the page size during ASIC design creation. The following options are available for MMU v3 and v4: 4kB, 8kB and 16 kB. The default is 8 kB (that really matches the only page size in MMU v2). It is important to build a toolchain with page size matching the hardware configuration. Otherwise user-space applications will fail at runtime. config BR2_ARC_PAGE_SIZE_4K bool "4KB" depends on BR2_arc770d || BR2_archs38 || BR2_archs38_full || BR2_archs4x_rel31 config BR2_ARC_PAGE_SIZE_8K bool "8KB" help This is the one and only option available for MMUv2 and default value for MMU v3 and v4. config BR2_ARC_PAGE_SIZE_16K bool "16KB" depends on BR2_arc770d || BR2_archs38 || BR2_archs38_full || BR2_archs4x_rel31 endchoice config BR2_ARC_PAGE_SIZE string default "4K" if BR2_ARC_PAGE_SIZE_4K default "8K" if BR2_ARC_PAGE_SIZE_8K default "16K" if BR2_ARC_PAGE_SIZE_16K # vim: ft=kconfig # -*- mode:kconfig; -*-