# # For a description of the syntax of this configuration file, # see the file kconfig-language.txt in the NuttX tools repository. # if ARCH_RISCV comment "RISC-V Options" choice prompt "RISC-V chip selection" default ARCH_CHIP_NR5 config ARCH_CHIP_FE310 bool "SiFive FE310" select ARCH_RV32IM ---help--- SiFive FE310 processor (E31 RISC-V Core with MAC extensions). config ARCH_CHIP_K210 bool "Kendryte K210" select ARCH_RV64GC select ARCH_HAVE_MPU select ARCH_HAVE_TESTSET select ARCH_HAVE_MULTICPU select ARCH_GLOBAL_IRQDISABLE ---help--- Kendryte K210 processor (RISC-V 64bit core with GC extensions) config ARCH_CHIP_LITEX bool "Enjoy Digital LITEX VEXRISCV" select ARCH_RV32IM ---help--- Enjoy Digital LITEX VEXRISCV softcore processor (RV32IMA). config ARCH_CHIP_NR5 bool "NEXT NanoRisc5" select ARCH_RV32IM ---help--- NEXT RISC-V NR5Mxx architectures (RISC-V RV32IM cores). config ARCH_CHIP_GAP8 bool "GreenwavesTechnologies GAP8" select ARCH_RV32IM ---help--- GreenwavesTechnologies GAP8 features a 1+8-core RI5CY DSP-like processor, which originally comes from the ETH PULP platform. endchoice config ARCH_RV32I bool default n config ARCH_RV32IM bool default n config ARCH_RV64GC bool default n select LIBC_ARCH_ELF_64BIT if LIBC_ARCH_ELF config ARCH_FAMILY string default "rv32im" if ARCH_RV32IM default "rv64gc" if ARCH_RV64GC config ARCH_CHIP string default "fe310" if ARCH_CHIP_FE310 default "k210" if ARCH_CHIP_K210 default "litex" if ARCH_CHIP_LITEX default "nr5m100" if ARCH_CHIP_NR5 default "gap8" if ARCH_CHIP_GAP8 config NR5_MPU bool "MPU support" default n depends on ARCH_HAVE_MPU select ARCH_USE_MPU ---help--- Build in support for the RISC-V Memory Protection Unit (MPU). Check your chip specifications first; not all RISC-V architectures support the MPU. if ARCH_RV32IM source arch/risc-v/src/rv32im/Kconfig endif if ARCH_RV64GC source arch/risc-v/src/rv64gc/Kconfig endif if ARCH_CHIP_FE310 source arch/risc-v/src/fe310/Kconfig endif if ARCH_CHIP_K210 source arch/risc-v/src/k210/Kconfig endif if ARCH_CHIP_LITEX source arch/risc-v/src/litex/Kconfig endif if ARCH_CHIP_NR5 source arch/risc-v/src/nr5m100/Kconfig endif if ARCH_CHIP_GAP8 source arch/risc-v/src/gap8/Kconfig endif endif