From c6c198b77c509ecbac181543b6b4698d63d2d82f Mon Sep 17 00:00:00 2001
From: jsg <jsg@openbsd.org>
Date: Fri, 23 Apr 2021 12:49:53 +0000
Subject: [PATCH] enable syscon(4) on riscv64 makes reboot and poweroff work
 with qemu

ok kettenis@
---
 sys/arch/riscv64/conf/GENERIC | 1 +
 sys/arch/riscv64/conf/RAMDISK | 3 ++-
 sys/dev/fdt/syscon.c          | 4 +++-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/sys/arch/riscv64/conf/GENERIC b/sys/arch/riscv64/conf/GENERIC
index fc44e7d66e8..cbbb50dde2d 100644
--- a/sys/arch/riscv64/conf/GENERIC
+++ b/sys/arch/riscv64/conf/GENERIC
@@ -47,6 +47,7 @@ simplebus*	at mainbus0 early 1
 # Platform Level Interrupt Controller
 plic*		at simplebus? early 1
 
+syscon*		at fdt? early 1
 
 scsibus*        at scsi?
 sd*		at scsibus?
diff --git a/sys/arch/riscv64/conf/RAMDISK b/sys/arch/riscv64/conf/RAMDISK
index b24f6475718..59bc6918df9 100644
--- a/sys/arch/riscv64/conf/RAMDISK
+++ b/sys/arch/riscv64/conf/RAMDISK
@@ -1,4 +1,4 @@
-# $OpenBSD: RAMDISK,v 1.1 2021/04/23 02:42:16 drahn Exp $
+# $OpenBSD: RAMDISK,v 1.2 2021/04/23 12:49:53 jsg Exp $
 #
 # GENERIC machine description file
 #
@@ -66,6 +66,7 @@ simplebus*	at mainbus0 early 1
 # Platform Level Interrupt Controller
 plic*		at simplebus? early 1
 
+syscon*		at fdt? early 1
 
 scsibus*        at scsi?
 sd*		at scsibus?
diff --git a/sys/dev/fdt/syscon.c b/sys/dev/fdt/syscon.c
index 0116d5960d0..acb5e5ab050 100644
--- a/sys/dev/fdt/syscon.c
+++ b/sys/dev/fdt/syscon.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: syscon.c,v 1.5 2021/04/23 12:38:00 kettenis Exp $	*/
+/*	$OpenBSD: syscon.c,v 1.6 2021/04/23 12:49:53 jsg Exp $	*/
 /*
  * Copyright (c) 2017 Mark Kettenis
  *
@@ -28,6 +28,8 @@
 
 #ifdef __armv7__
 #include <arm/simplebus/simplebusvar.h>
+#elif defined(__riscv64__)
+#include <riscv64/dev/simplebusvar.h>
 #else
 #include <arm64/dev/simplebusvar.h>
 #endif
-- 
2.20.1