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authorMasahiro Yamada <yamada.masahiro@socionext.com>2017-10-17 13:42:42 +0900
committerTom Rini <trini@konsulko.com>2017-11-17 07:43:32 -0500
commit999a78d5cf00dfb8cd8342454933ea492e955377 (patch)
treecfbc8301d7c74011244aa42daeee141fc804aaf1 /scripts/dtc/libfdt/fdt_addresses.c
parent0d8216182388a5e485aa84b3175ea87d8f9b57c5 (diff)
scripts/dtc: Update to upstream version v1.4.5-3-gb1a60033c110
This adds the following commits from upstream: b1a6003 tests: Add a test for overlays syntactic sugar 737b2df overlay: Add syntactic sugar version of overlays 497432f checks: Use proper format modifier for size_t 22a65c5 dtc: Bump version to v1.4.5 c575d80 Add fdtoverlay to .gitignore b6a6f94 fdtoverlay: Sanity check blob size 8c1eb15 pylibfdt: Use Python2 explicitly ee3d26f checks: add interrupts property check c1e7738 checks: add gpio binding properties check b3bbac0 checks: add phandle with arg property checks [ sync with Linux commit: 4201d057ea91c3d6efd2db65219bc91fae413bc2 ] Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'scripts/dtc/libfdt/fdt_addresses.c')
-rw-r--r--scripts/dtc/libfdt/fdt_addresses.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/scripts/dtc/libfdt/fdt_addresses.c b/scripts/dtc/libfdt/fdt_addresses.c
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+++ b/scripts/dtc/libfdt/fdt_addresses.c
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+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2014 David Gibson <david@gibson.dropbear.id.au>
+ *
+ * libfdt is dual licensed: you can use it either under the terms of
+ * the GPL, or the BSD license, at your option.
+ *
+ * a) This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ *
+ * Alternatively,
+ *
+ * b) 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 "libfdt_env.h"
+
+#include <fdt.h>
+#include <libfdt.h>
+
+#include "libfdt_internal.h"
+
+int fdt_address_cells(const void *fdt, int nodeoffset)
+{
+ const fdt32_t *ac;
+ int val;
+ int len;
+
+ ac = fdt_getprop(fdt, nodeoffset, "#address-cells", &len);
+ if (!ac)
+ return 2;
+
+ if (len != sizeof(*ac))
+ return -FDT_ERR_BADNCELLS;
+
+ val = fdt32_to_cpu(*ac);
+ if ((val <= 0) || (val > FDT_MAX_NCELLS))
+ return -FDT_ERR_BADNCELLS;
+
+ return val;
+}
+
+int fdt_size_cells(const void *fdt, int nodeoffset)
+{
+ const fdt32_t *sc;
+ int val;
+ int len;
+
+ sc = fdt_getprop(fdt, nodeoffset, "#size-cells", &len);
+ if (!sc)
+ return 2;
+
+ if (len != sizeof(*sc))
+ return -FDT_ERR_BADNCELLS;
+
+ val = fdt32_to_cpu(*sc);
+ if ((val < 0) || (val > FDT_MAX_NCELLS))
+ return -FDT_ERR_BADNCELLS;
+
+ return val;
+}