mainmenu "RT-Thread Project Configuration" config BSP_DIR string option env="BSP_ROOT" default "." config RTT_DIR string option env="RTT_ROOT" default "../../.." config PKGS_DIR string option env="PKGS_ROOT" default "packages" source "$RTT_DIR/Kconfig" source "$PKGS_DIR/Kconfig" source "board/Kconfig" config BSP_USING_C906_LITTLE bool select ARCH_RISCV64 select ARCH_RISCV_FPU_D select RT_USING_COMPONENTS_INIT select RT_USING_USER_MAIN default y config PLIC_PHY_ADDR hex default 0x70000000 config IRQ_MAX_NR int default 128 config TIMER_CLK_FREQ int default 25000000