2 riscv/sifive/fe310_aon.c optional fe310aon
3 riscv/sifive/fu740_pci_dw.c optional fu740_pci_dw pci fdt
4 riscv/sifive/sifive_gpio.c optional sifive_gpio gpio
5 riscv/sifive/sifive_prci.c standard
6 riscv/sifive/sifive_spi.c optional sifive_spi spibus
7 riscv/sifive/sifive_uart.c standard