From 436ac49059d67a997849377ce07f1cef56018d8b Mon Sep 17 00:00:00 2001
From: br <br@FreeBSD.org>
Date: Sun, 4 Jan 2015 23:14:04 +0000
Subject: [PATCH] Do not configure Altera PIO device on ARM startup. PIO is a
 device implemented in soft-core and becomes available after flashing FPGA
 only.

---
 sys/dev/altera/pio/pio.c     | 2 --
 sys/dev/beri/virtio/virtio.c | 2 --
 2 files changed, 4 deletions(-)

diff --git a/sys/dev/altera/pio/pio.c b/sys/dev/altera/pio/pio.c
index af610ef25ea..cd95e81c821 100644
--- a/sys/dev/altera/pio/pio.c
+++ b/sys/dev/altera/pio/pio.c
@@ -178,8 +178,6 @@ pio_attach(device_t dev)
 	sc->bst = rman_get_bustag(sc->res[0]);
 	sc->bsh = rman_get_bushandle(sc->res[0]);
 
-	WRITE4(sc, PIO_DATA, 0);
-
 	if ((node = ofw_bus_get_node(sc->dev)) == -1)
 		return (ENXIO);
 
diff --git a/sys/dev/beri/virtio/virtio.c b/sys/dev/beri/virtio/virtio.c
index 6921c8a874e..2633c32071d 100644
--- a/sys/dev/beri/virtio/virtio.c
+++ b/sys/dev/beri/virtio/virtio.c
@@ -211,8 +211,6 @@ setup_pio(device_t dev, char *name, device_t *pio_dev)
 	SLIST_FOREACH(ic, &fdt_ic_list_head, fdt_ics) {
 		if (ic->iph == pio_node) {
 			*pio_dev = ic->dev;
-			PIO_CONFIGURE(*pio_dev, PIO_OUT_ALL,
-					PIO_UNMASK_ALL);
 			return (0);
 		}
 	}
-- 
2.11.4.GIT