riscv/sifive/fe310_aon.c optional fe310aon riscv/sifive/fu740_pci_dw.c optional fu740_pci_dw pci fdt riscv/sifive/sifive_gpio.c optional sifive_gpio gpio riscv/sifive/sifive_prci.c standard riscv/sifive/sifive_spi.c optional sifive_spi spibus riscv/sifive/sifive_uart.c standard
