uboot: Added riscv64 support

features.in/uboot/config.mk

@@ -6,7 +6,16 @@ UBOOT_TTY := use/tty/S0
 endif
 endif
 
+ifeq (,$(filter-out riscv64,$(ARCH)))
+UBOOT_TTY := use/tty/S0
+endif
+
 use/uboot: use/kernel/initrd-setup $(UBOOT_TTY)
 	@$(call add_feature)
 	@$(call add,THE_LISTS,singleboard-tools)
+ifeq (,$(filter-out aarch64 armh,$(ARCH)))
 	@$(call add,BASE_BOOTARGS,cma=192M)
+endif
+ifeq (,$(filter-out riscv64,$(ARCH)))
+	@$(call add,BASE_BOOTARGS,earlyprintk debug no_alt_virt_keyboard)
+endif

pkg.in/lists/uboot

@@ -2,4 +2,6 @@ raspberrypi-firmware@ARM
 u-boot-meson@aarch64
 u-boot-sunxi@ARM
 u-boot-rockchip@aarch64
-u-boot-hifive-unleashed@riscv64
+fu540-bootloaders@riscv64
+opensbi-firmware-fu540@riscv64
+opensbi-firmware-qemu@riscv64