Author: ian
Date: Sat Jan 2 19:14:19 2016
New Revision: 293056
URL: https://svnweb.freebsd.org/changeset/base/293056
Log:
Add an OF_decode_addr() implementation for arm64.
Discussed with: andrew
Added:
head/sys/arm64/arm64/ofw_machdep.c (contents, props changed)
Modified:
head/sys/conf/files.arm64
Added: head/sys/arm64/arm64/ofw_machdep.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/sys/arm64/arm64/ofw_machdep.c Sat Jan 2 19:14:19 2016
(r293056)
@@ -0,0 +1,54 @@
+/*-
+ * Copyright (c) 2015 Ian Lepore <i...@freebsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+
+#include <machine/bus.h>
+
+#include <dev/ofw/openfirm.h>
+#include <dev/ofw/ofw_subr.h>
+
+extern struct bus_space memmap_bus;
+
+int
+OF_decode_addr(phandle_t dev, int regno, bus_space_tag_t *tag,
+ bus_space_handle_t *handle)
+{
+ bus_addr_t addr;
+ bus_size_t size;
+ int err;
+
+ err = ofw_reg_to_paddr(dev, regno, &addr, &size, NULL);
+ if (err != 0)
+ return (err);
+
+ *tag = memmap_bus;
+ return (bus_space_map(*tag, addr, size, 0, handle));
+}
Modified: head/sys/conf/files.arm64
==============================================================================
--- head/sys/conf/files.arm64 Sat Jan 2 18:35:11 2016 (r293055)
+++ head/sys/conf/files.arm64 Sat Jan 2 19:14:19 2016 (r293056)
@@ -38,6 +38,7 @@ arm64/arm64/mem.c standard
arm64/arm64/minidump_machdep.c standard
arm64/arm64/mp_machdep.c optional smp
arm64/arm64/nexus.c standard
+arm64/arm64/ofw_machdep.c optional fdt
arm64/arm64/pic_if.m standard
arm64/arm64/pmap.c standard
arm64/arm64/stack_machdep.c optional ddb | stack
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