summaryrefslogtreecommitdiffstats
path: root/EmbeddedPkg/Include
diff options
context:
space:
mode:
authorOlivier Martin <olivier.martin@arm.com>2014-02-12 15:11:29 +0000
committeroliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>2014-02-12 15:11:29 +0000
commit3e8576dd363fe516ceec1ddc4aff51bc5a3d4bd7 (patch)
tree0faf3447412162142137c8d11d4479f7ca871ff9 /EmbeddedPkg/Include
parente30acb47ce10ef7774dc4501860824381b2713fc (diff)
downloadedk2-3e8576dd363fe516ceec1ddc4aff51bc5a3d4bd7.tar.gz
edk2-3e8576dd363fe516ceec1ddc4aff51bc5a3d4bd7.tar.bz2
edk2-3e8576dd363fe516ceec1ddc4aff51bc5a3d4bd7.zip
EmbeddedPkg/FdtLib: Updated libfdt to 1.4.0
Last commit from git://git.jdl.com/software/dtc.git: commit 65cc4d2748a2c2e6f27f1cf39e07a5dbabd80ebf Author: Jon Loeliger <jdl@jdl.com> Date: Sat Jun 22 12:54:28 2013 -0500 Tag Version 1.4.0 Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15237 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EmbeddedPkg/Include')
-rw-r--r--EmbeddedPkg/Include/fdt.h107
-rw-r--r--EmbeddedPkg/Include/libfdt.h70
-rw-r--r--EmbeddedPkg/Include/libfdt_env.h12
3 files changed, 133 insertions, 56 deletions
diff --git a/EmbeddedPkg/Include/fdt.h b/EmbeddedPkg/Include/fdt.h
index 3b7c37102d..0187749f19 100644
--- a/EmbeddedPkg/Include/fdt.h
+++ b/EmbeddedPkg/Include/fdt.h
@@ -1,62 +1,99 @@
-/** @file
-*
-* Copyright (c) 2011-2012, ARM Limited. All rights reserved.
-*
-* This program and the accompanying materials
-* are licensed and made available under the terms and conditions of the BSD License
-* which accompanies this distribution. The full text of the license may be found at
-* http://opensource.org/licenses/bsd-license.php
-*
-* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-*
-**/
-
#ifndef _FDT_H
#define _FDT_H
+/*
+ * libfdt - Flat Device Tree manipulation
+ * Copyright (C) 2006 David Gibson, IBM Corporation.
+ * Copyright 2012 Kim Phillips, Freescale Semiconductor.
+ *
+ * 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.
+ */
#ifndef __ASSEMBLY__
struct fdt_header {
- uint32_t magic; /* magic word FDT_MAGIC */
- uint32_t totalsize; /* total size of DT block */
- uint32_t off_dt_struct; /* offset to structure */
- uint32_t off_dt_strings; /* offset to strings */
- uint32_t off_mem_rsvmap; /* offset to memory reserve map */
- uint32_t version; /* format version */
- uint32_t last_comp_version; /* last compatible version */
+ fdt32_t magic; /* magic word FDT_MAGIC */
+ fdt32_t totalsize; /* total size of DT block */
+ fdt32_t off_dt_struct; /* offset to structure */
+ fdt32_t off_dt_strings; /* offset to strings */
+ fdt32_t off_mem_rsvmap; /* offset to memory reserve map */
+ fdt32_t version; /* format version */
+ fdt32_t last_comp_version; /* last compatible version */
/* version 2 fields below */
- uint32_t boot_cpuid_phys; /* Which physical CPU id we're
+ fdt32_t boot_cpuid_phys; /* Which physical CPU id we're
booting on */
/* version 3 fields below */
- uint32_t size_dt_strings; /* size of the strings block */
+ fdt32_t size_dt_strings; /* size of the strings block */
/* version 17 fields below */
- uint32_t size_dt_struct; /* size of the structure block */
+ fdt32_t size_dt_struct; /* size of the structure block */
};
struct fdt_reserve_entry {
- uint64_t address;
- uint64_t size;
+ fdt64_t address;
+ fdt64_t size;
};
struct fdt_node_header {
- uint32_t tag;
+ fdt32_t tag;
char name[0];
};
struct fdt_property {
- uint32_t tag;
- uint32_t len;
- uint32_t nameoff;
+ fdt32_t tag;
+ fdt32_t len;
+ fdt32_t nameoff;
char data[0];
};
#endif /* !__ASSEMBLY */
#define FDT_MAGIC 0xd00dfeed /* 4: version, 4: total size */
-#define FDT_TAGSIZE sizeof(uint32_t)
+#define FDT_TAGSIZE sizeof(fdt32_t)
#define FDT_BEGIN_NODE 0x1 /* Start node: full name */
#define FDT_END_NODE 0x2 /* End node */
@@ -65,10 +102,10 @@ struct fdt_property {
#define FDT_NOP 0x4 /* nop */
#define FDT_END 0x9
-#define FDT_V1_SIZE (7*sizeof(uint32_t))
-#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(uint32_t))
-#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(uint32_t))
+#define FDT_V1_SIZE (7*sizeof(fdt32_t))
+#define FDT_V2_SIZE (FDT_V1_SIZE + sizeof(fdt32_t))
+#define FDT_V3_SIZE (FDT_V2_SIZE + sizeof(fdt32_t))
#define FDT_V16_SIZE FDT_V3_SIZE
-#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(uint32_t))
+#define FDT_V17_SIZE (FDT_V16_SIZE + sizeof(fdt32_t))
#endif /* _FDT_H */
diff --git a/EmbeddedPkg/Include/libfdt.h b/EmbeddedPkg/Include/libfdt.h
index 85fe324c4d..212cb995df 100644
--- a/EmbeddedPkg/Include/libfdt.h
+++ b/EmbeddedPkg/Include/libfdt.h
@@ -136,6 +136,28 @@ uint32_t fdt_next_tag(const void *fdt, int offset, int *nextoffset);
int fdt_next_node(const void *fdt, int offset, int *depth);
+/**
+ * fdt_first_subnode() - get offset of first direct subnode
+ *
+ * @fdt: FDT blob
+ * @offset: Offset of node to check
+ * @return offset of first subnode, or -FDT_ERR_NOTFOUND if there is none
+ */
+int fdt_first_subnode(const void *fdt, int offset);
+
+/**
+ * fdt_next_subnode() - get offset of next direct subnode
+ *
+ * After first calling fdt_first_subnode(), call this function repeatedly to
+ * get direct subnodes of a parent node.
+ *
+ * @fdt: FDT blob
+ * @offset: Offset of previous subnode
+ * @return offset of next subnode, or -FDT_ERR_NOTFOUND if there are no more
+ * subnodes
+ */
+int fdt_next_subnode(const void *fdt, int offset);
+
/**********************************************************************/
/* General functions */
/**********************************************************************/
@@ -582,7 +604,7 @@ const char *fdt_get_alias_namelen(const void *fdt,
* value of the property named 'name' in the node /aliases.
*
* returns:
- * a pointer to the expansion of the alias named 'name', of it exists
+ * a pointer to the expansion of the alias named 'name', if it exists
* NULL, if the given alias or the /aliases node does not exist
*/
const char *fdt_get_alias(const void *fdt, const char *name);
@@ -816,6 +838,20 @@ int fdt_node_check_compatible(const void *fdt, int nodeoffset,
int fdt_node_offset_by_compatible(const void *fdt, int startoffset,
const char *compatible);
+/**
+ * fdt_stringlist_contains - check a string list property for a string
+ * @strlist: Property containing a list of strings to check
+ * @listlen: Length of property
+ * @str: String to search for
+ *
+ * This is a utility function provided for convenience. The list contains
+ * one or more strings, each terminated by \0, as is found in a device tree
+ * "compatible" property.
+ *
+ * @return: 1 if the string is found in the list, 0 not found, or invalid list
+ */
+int fdt_stringlist_contains(const char *strlist, int listlen, const char *str);
+
/**********************************************************************/
/* Write-in-place functions */
/**********************************************************************/
@@ -882,8 +918,8 @@ int fdt_setprop_inplace(void *fdt, int nodeoffset, const char *name,
static inline int fdt_setprop_inplace_u32(void *fdt, int nodeoffset,
const char *name, uint32_t val)
{
- val = cpu_to_fdt32(val);
- return fdt_setprop_inplace(fdt, nodeoffset, name, &val, sizeof(val));
+ fdt32_t tmp = cpu_to_fdt32(val);
+ return fdt_setprop_inplace(fdt, nodeoffset, name, &tmp, sizeof(tmp));
}
/**
@@ -917,8 +953,8 @@ static inline int fdt_setprop_inplace_u32(void *fdt, int nodeoffset,
static inline int fdt_setprop_inplace_u64(void *fdt, int nodeoffset,
const char *name, uint64_t val)
{
- val = cpu_to_fdt64(val);
- return fdt_setprop_inplace(fdt, nodeoffset, name, &val, sizeof(val));
+ fdt64_t tmp = cpu_to_fdt64(val);
+ return fdt_setprop_inplace(fdt, nodeoffset, name, &tmp, sizeof(tmp));
}
/**
@@ -993,13 +1029,13 @@ int fdt_begin_node(void *fdt, const char *name);
int fdt_property(void *fdt, const char *name, const void *val, int len);
static inline int fdt_property_u32(void *fdt, const char *name, uint32_t val)
{
- val = cpu_to_fdt32(val);
- return fdt_property(fdt, name, &val, sizeof(val));
+ fdt32_t tmp = cpu_to_fdt32(val);
+ return fdt_property(fdt, name, &tmp, sizeof(tmp));
}
static inline int fdt_property_u64(void *fdt, const char *name, uint64_t val)
{
- val = cpu_to_fdt64(val);
- return fdt_property(fdt, name, &val, sizeof(val));
+ fdt64_t tmp = cpu_to_fdt64(val);
+ return fdt_property(fdt, name, &tmp, sizeof(tmp));
}
static inline int fdt_property_cell(void *fdt, const char *name, uint32_t val)
{
@@ -1154,8 +1190,8 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name,
static inline int fdt_setprop_u32(void *fdt, int nodeoffset, const char *name,
uint32_t val)
{
- val = cpu_to_fdt32(val);
- return fdt_setprop(fdt, nodeoffset, name, &val, sizeof(val));
+ fdt32_t tmp = cpu_to_fdt32(val);
+ return fdt_setprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
}
/**
@@ -1189,8 +1225,8 @@ static inline int fdt_setprop_u32(void *fdt, int nodeoffset, const char *name,
static inline int fdt_setprop_u64(void *fdt, int nodeoffset, const char *name,
uint64_t val)
{
- val = cpu_to_fdt64(val);
- return fdt_setprop(fdt, nodeoffset, name, &val, sizeof(val));
+ fdt64_t tmp = cpu_to_fdt64(val);
+ return fdt_setprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
}
/**
@@ -1296,8 +1332,8 @@ int fdt_appendprop(void *fdt, int nodeoffset, const char *name,
static inline int fdt_appendprop_u32(void *fdt, int nodeoffset,
const char *name, uint32_t val)
{
- val = cpu_to_fdt32(val);
- return fdt_appendprop(fdt, nodeoffset, name, &val, sizeof(val));
+ fdt32_t tmp = cpu_to_fdt32(val);
+ return fdt_appendprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
}
/**
@@ -1331,8 +1367,8 @@ static inline int fdt_appendprop_u32(void *fdt, int nodeoffset,
static inline int fdt_appendprop_u64(void *fdt, int nodeoffset,
const char *name, uint64_t val)
{
- val = cpu_to_fdt64(val);
- return fdt_appendprop(fdt, nodeoffset, name, &val, sizeof(val));
+ fdt64_t tmp = cpu_to_fdt64(val);
+ return fdt_appendprop(fdt, nodeoffset, name, &tmp, sizeof(tmp));
}
/**
diff --git a/EmbeddedPkg/Include/libfdt_env.h b/EmbeddedPkg/Include/libfdt_env.h
index 6cc311fe73..a8ab463493 100644
--- a/EmbeddedPkg/Include/libfdt_env.h
+++ b/EmbeddedPkg/Include/libfdt_env.h
@@ -1,6 +1,6 @@
/** @file
*
-* Copyright (c) 2011-2012, ARM Limited. All rights reserved.
+* Copyright (c) 2011-2014, ARM Limited. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
@@ -18,6 +18,10 @@
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
+typedef UINT16 fdt16_t;
+typedef UINT32 fdt32_t;
+typedef UINT64 fdt64_t;
+
typedef UINT8 uint8_t;
typedef UINT16 uint16_t;
typedef UINT32 uint32_t;
@@ -25,19 +29,19 @@ typedef UINT64 uint64_t;
typedef UINTN uintptr_t;
typedef UINTN size_t;
-static inline uint16_t fdt16_to_cpu(uint16_t x)
+static inline uint16_t fdt16_to_cpu(fdt16_t x)
{
return SwapBytes16 (x);
}
#define cpu_to_fdt16(x) fdt16_to_cpu(x)
-static inline uint32_t fdt32_to_cpu(uint32_t x)
+static inline uint32_t fdt32_to_cpu(fdt32_t x)
{
return SwapBytes32 (x);
}
#define cpu_to_fdt32(x) fdt32_to_cpu(x)
-static inline uint64_t fdt64_to_cpu(uint64_t x)
+static inline uint64_t fdt64_to_cpu(fdt64_t x)
{
return SwapBytes64 (x);
}