Index: sys/conf/files.riscv
===================================================================
--- sys/conf/files.riscv
+++ sys/conf/files.riscv
@@ -1,3 +1,4 @@
+arm64/arm64/pl031_rtc.c		optional	fdt pl031
 cddl/dev/dtrace/riscv/dtrace_asm.S			optional dtrace compile-with "${DTRACE_S}"
 cddl/dev/dtrace/riscv/dtrace_subr.c			optional dtrace compile-with "${DTRACE_C}"
 cddl/dev/dtrace/riscv/instr_size.c			optional dtrace compile-with "${DTRACE_C}"
Index: sys/riscv/conf/GENERIC
===================================================================
--- sys/riscv/conf/GENERIC
+++ sys/riscv/conf/GENERIC
@@ -77,6 +77,15 @@
 options 	RCTL			# Resource limits
 options 	SMP
 
+# Block devices
+device		ahci
+device		scbus
+device		da
+
+# ATA/SCSI peripherals
+device		cd			# CD
+device		pass			# Passthrough device (direct ATA/SCSI access)
+
 # RISC-V SBI console
 device		rcons
 
@@ -193,6 +202,12 @@
 device		iicbus		# Bus support, required for iicoc below.
 device		iicoc		# OpenCores I2C controller support
 
+# RTC
+device		pl031			# Arm PL031 RTC
+
+# Serial (COM) ports
+device		pl011			# Arm PL011 UART
+
 # Include SoC specific configuration
 include		"std.allwinner"
 include		"std.sifive"