1ifeq ($(CFG_PL061),y) 2$(call force,CFG_GPIO,y,required by CFG_PL061) 3endif 4 5srcs-$(CFG_PL011) += pl011.c 6srcs-$(CFG_GIC) += gic.c 7srcs-$(CFG_GPIO) += gpio.c 8srcs-$(CFG_PL061) += pl061_gpio.c 9srcs-$(CFG_SUNXI_UART) += sunxi_uart.c 10srcs-$(CFG_8250_UART) += serial8250_uart.c 11srcs-$(CFG_16550_UART) += ns16550.c 12srcs-$(CFG_IMX_UART) += imx_uart.c 13