svn commit: r209130 - in head/sys: arm/include dev/fdt

Sun Jun 13 13:12:52 UTC 2010

Author: raj
Date: Sun Jun 13 13:12:52 2010
New Revision: 209130
URL: http://svn.freebsd.org/changeset/base/209130

Log:
  Initial FDT infrastructure elements for ARM.
  
  Reviewed by:	imp
  Sponsored by:	The FreeBSD Foundation

Added:
  head/sys/arm/include/fdt.h   (contents, props changed)
  head/sys/arm/include/ofw_machdep.h   (contents, props changed)
  head/sys/dev/fdt/fdt_arm.c   (contents, props changed)

Added: head/sys/arm/include/fdt.h
==============================================================================

--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/arm/include/fdt.h	Sun Jun 13 13:12:52 2010	(r209130)
@@ -0,0 +1,68 @@
+/*-
+ * Copyright (c) 2010 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Semihalf under sponsorship from
+ * the FreeBSD Foundation.
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_FDT_H_
+#define _MACHINE_FDT_H_
+
+#include <dev/ofw/openfirm.h>
+
+#include <vm/vm.h>
+#include <vm/pmap.h>
+
+#include <machine/pmap.h>
+#include <machine/intr.h>
+
+#include <arm/mv/mvvar.h>
+#include <arm/mv/mvwin.h>
+
+/*
+ * This is the base virtual address the internal mem-mapped registers (IMMR)
+ * range is available at.
+ */
+#define FDT_IMMR_VA	MV_BASE
+
+/* Max interrupt number */
+#define FDT_INTR_MAX	NIRQ
+
+/*
+ * Bus space tag. XXX endianess info needs to be derived from the blob.
+ */
+extern bus_space_tag_t fdtbus_bs_tag;
+
+struct mem_region {
+	vm_offset_t	mr_start;
+	vm_size_t	mr_size;
+};
+
+int fdt_pci_devmap(phandle_t, struct pmap_devmap *devmap, vm_offset_t,
+    vm_offset_t);
+
+#endif /* _MACHINE_FDT_H_ */

Added: head/sys/arm/include/ofw_machdep.h
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/arm/include/ofw_machdep.h	Sun Jun 13 13:12:52 2010	(r209130)
@@ -0,0 +1,37 @@
+/*-
+ * Copyright (c) 2009 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Semihalf under sponsorship from
+ * the FreeBSD Foundation.
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_OFW_MACHDEP_H_
+#define _MACHINE_OFW_MACHDEP_H_
+
+typedef	uint32_t	cell_t;
+
+#endif /* _MACHINE_OFW_MACHDEP_H_ */

Added: head/sys/dev/fdt/fdt_arm.c
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/sys/dev/fdt/fdt_arm.c	Sun Jun 13 13:12:52 2010	(r209130)
@@ -0,0 +1,88 @@
+/*-
+ * Copyright (c) 2010 The FreeBSD Foundation
+ * All rights reserved.
+ *
+ * This software was developed by Semihalf under sponsorship from
+ * the FreeBSD Foundation.
+ *
+ * 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/systm.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+
+#include <dev/fdt/fdt_common.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+#include <dev/ofw/openfirm.h>
+
+#include <machine/fdt.h>
+
+#include "ofw_bus_if.h"
+
+static void
+fdt_fixup_busfreq(phandle_t root)
+{
+	phandle_t sb;
+	pcell_t freq;
+
+	/*
+	 * This fixup sets the simple-bus bus-frequency property.
+	 */
+
+	if ((sb = fdt_find_compatible(root, "simple-bus", 1)) == 0)
+		return;
+
+	freq = cpu_to_fdt32(get_tclk());
+	OF_setprop(sb, "bus-frequency", (void *)&freq, sizeof(freq));
+}
+
+struct fdt_fixup_entry fdt_fixup_table[] = {
+	{ "mrvl,DB-88F6281", &fdt_fixup_busfreq },
+	{ NULL, NULL }
+};
+
+static int
+fdt_pic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
+    int *pol)
+{
+
+	if (!fdt_is_compatible(node, "mrvl,pic"))
+		return (ENXIO);
+
+	*interrupt = fdt32_to_cpu(intr[0]);
+	*trig = INTR_TRIGGER_CONFORM;
+	*pol = INTR_POLARITY_CONFORM;
+
+	return (0);
+}
+
+fdt_pic_decode_t fdt_pic_table[] = {
+	&fdt_pic_decode_ic,
+	NULL
+};
