Merge branch 'u-boot/master' into 'u-boot-arm/master'

Conflicts:
	common/cmd_fpga.c
	drivers/usb/host/ohci-at91.c

9 files changed, 300 insertions, 49 deletions

diff --git a/tools/Makefile b/tools/Makefile
index 889c897..26eb500 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -78,6 +78,7 @@ BIN_FILES-$(CONFIG_KIRKWOOD) += kwboot$(SFX)
 # Source files which exist outside the tools directory
 EXT_OBJ_FILES-$(CONFIG_BUILD_ENVCRC) += common/env_embedded.o
 EXT_OBJ_FILES-y += common/image.o
+EXT_OBJ_FILES-$(CONFIG_FIT) += common/image-fit.o
 EXT_OBJ_FILES-y += lib/crc32.o
 EXT_OBJ_FILES-y += lib/md5.o
 EXT_OBJ_FILES-y += lib/sha1.o
@@ -95,6 +96,7 @@ NOPED_OBJ_FILES-y += aisimage.o
 NOPED_OBJ_FILES-y += kwbimage.o
 NOPED_OBJ_FILES-y += pblimage.o
 NOPED_OBJ_FILES-y += imximage.o
+NOPED_OBJ_FILES-y += image-host.o
 NOPED_OBJ_FILES-y += omapimage.o
 NOPED_OBJ_FILES-y += mkenvimage.o
 NOPED_OBJ_FILES-y += mkimage.o
@@ -209,7 +211,9 @@ $(obj)mkimage$(SFX):	$(obj)aisimage.o \
 			$(obj)crc32.o \
 			$(obj)default_image.o \
 			$(obj)fit_image.o \
+			$(obj)image-fit.o \
 			$(obj)image.o \
+			$(obj)image-host.o \
 			$(obj)imximage.o \
 			$(obj)kwbimage.o \
 			$(obj)pblimage.o \
diff --git a/tools/aisimage.c b/tools/aisimage.c
index c645708..659df8c 100644
--- a/tools/aisimage.c
+++ b/tools/aisimage.c
@@ -32,7 +32,6 @@
 #define WORD_ALIGN0	4
 #define WORD_ALIGN(len) (((len)+WORD_ALIGN0-1) & ~(WORD_ALIGN0-1))
 #define MAX_CMD_BUFFER	4096
-#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
 
 static uint32_t ais_img_size;
 
diff --git a/tools/buildman/control.py b/tools/buildman/control.py
index 8d7b9b5..4319ce7 100644
--- a/tools/buildman/control.py
+++ b/tools/buildman/control.py
@@ -111,6 +111,10 @@ def DoBuildman(options, args):
             print col.Color(col.RED, str)
             sys.exit(1)
         count = gitutil.CountCommitsInBranch(options.git_dir, options.branch)
+        if count is None:
+            str = "Branch '%s' not found or has no upstream" % options.branch
+            print col.Color(col.RED, str)
+            sys.exit(1)
         count += 1   # Build upstream commit also
 
     if not count:
@@ -137,6 +141,11 @@ def DoBuildman(options, args):
     upstream_commit = gitutil.GetUpstream(options.git_dir, options.branch)
     series = patchstream.GetMetaDataForList(upstream_commit, options.git_dir,
             1)
+    # Conflicting tags are not a problem for buildman, since it does not use
+    # them. For example, Series-version is not useful for buildman. On the
+    # other hand conflicting tags will cause an error. So allow later tags
+    # to overwrite earlier ones.
+    series.allow_overwrite = True
     series = patchstream.GetMetaDataForList(range_expr, options.git_dir, None,
             series)
 
diff --git a/tools/fit_image.c b/tools/fit_image.c
index 76bbba1..cc123dd 100644
--- a/tools/fit_image.c
+++ b/tools/fit_image.c
@@ -47,6 +47,48 @@ static int fit_check_image_types (uint8_t type)
 		return EXIT_FAILURE;
 }
 
+int mmap_fdt(struct mkimage_params *params, const char *fname, void **blobp,
+		struct stat *sbuf)
+{
+	void *ptr;
+	int fd;
+
+	/* Load FIT blob into memory (we need to write hashes/signatures) */
+	fd = open(fname, O_RDWR | O_BINARY);
+
+	if (fd < 0) {
+		fprintf(stderr, "%s: Can't open %s: %s\n",
+			params->cmdname, fname, strerror(errno));
+		unlink(fname);
+		return -1;
+	}
+
+	if (fstat(fd, sbuf) < 0) {
+		fprintf(stderr, "%s: Can't stat %s: %s\n",
+			params->cmdname, fname, strerror(errno));
+		unlink(fname);
+		return -1;
+	}
+
+	ptr = mmap(0, sbuf->st_size, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
+	if (ptr == MAP_FAILED) {
+		fprintf(stderr, "%s: Can't read %s: %s\n",
+			params->cmdname, fname, strerror(errno));
+		unlink(fname);
+		return -1;
+	}
+
+	/* check if ptr has a valid blob */
+	if (fdt_check_header(ptr)) {
+		fprintf(stderr, "%s: Invalid FIT blob\n", params->cmdname);
+		unlink(fname);
+		return -1;
+	}
+
+	*blobp = ptr;
+	return fd;
+}
+
 /**
  * fit_handle_file - main FIT file processing function
  *
@@ -65,7 +107,7 @@ static int fit_handle_file (struct mkimage_params *params)
 	char cmd[MKIMAGE_MAX_DTC_CMDLINE_LEN];
 	int tfd;
 	struct stat sbuf;
-	unsigned char *ptr;
+	void *ptr;
 
 	/* Flattened Image Tree (FIT) format  handling */
 	debug ("FIT format handling\n");
@@ -87,57 +129,25 @@ static int fit_handle_file (struct mkimage_params *params)
 	if (system (cmd) == -1) {
 		fprintf (stderr, "%s: system(%s) failed: %s\n",
 				params->cmdname, cmd, strerror(errno));
-		unlink (tmpfile);
-		return (EXIT_FAILURE);
-	}
-
-	/* load FIT blob into memory */
-	tfd = open (tmpfile, O_RDWR|O_BINARY);
-
-	if (tfd < 0) {
-		fprintf (stderr, "%s: Can't open %s: %s\n",
-				params->cmdname, tmpfile, strerror(errno));
-		unlink (tmpfile);
-		return (EXIT_FAILURE);
-	}
-
-	if (fstat (tfd, &sbuf) < 0) {
-		fprintf (stderr, "%s: Can't stat %s: %s\n",
-				params->cmdname, tmpfile, strerror(errno));
-		unlink (tmpfile);
-		return (EXIT_FAILURE);
-	}
-
-	ptr = mmap (0, sbuf.st_size, PROT_READ|PROT_WRITE, MAP_SHARED,
-				tfd, 0);
-	if (ptr == MAP_FAILED) {
-		fprintf (stderr, "%s: Can't read %s: %s\n",
-				params->cmdname, tmpfile, strerror(errno));
-		unlink (tmpfile);
-		return (EXIT_FAILURE);
+		goto err_system;
 	}
 
-	/* check if ptr has a valid blob */
-	if (fdt_check_header (ptr)) {
-		fprintf (stderr, "%s: Invalid FIT blob\n", params->cmdname);
-		unlink (tmpfile);
-		return (EXIT_FAILURE);
-	}
+	tfd = mmap_fdt(params, tmpfile, &ptr, &sbuf);
+	if (tfd < 0)
+		goto err_mmap;
 
 	/* set hashes for images in the blob */
-	if (fit_set_hashes (ptr)) {
+	if (fit_add_verification_data(ptr)) {
 		fprintf (stderr, "%s Can't add hashes to FIT blob",
 				params->cmdname);
-		unlink (tmpfile);
-		return (EXIT_FAILURE);
+		goto err_add_hashes;
 	}
 
 	/* add a timestamp at offset 0 i.e., root  */
 	if (fit_set_timestamp (ptr, 0, sbuf.st_mtime)) {
 		fprintf (stderr, "%s: Can't add image timestamp\n",
 				params->cmdname);
-		unlink (tmpfile);
-		return (EXIT_FAILURE);
+		goto err_add_timestamp;
 	}
 	debug ("Added timestamp successfully\n");
 
@@ -153,6 +163,14 @@ static int fit_handle_file (struct mkimage_params *params)
 		return (EXIT_FAILURE);
 	}
 	return (EXIT_SUCCESS);
+
+err_add_timestamp:
+err_add_hashes:
+	munmap(ptr, sbuf.st_size);
+err_mmap:
+err_system:
+	unlink(tmpfile);
+	return -1;
 }
 
 static int fit_check_params (struct mkimage_params *params)
diff --git a/tools/image-host.c b/tools/image-host.c
new file mode 100644
index 0000000..d944d0f
--- /dev/null
+++ b/tools/image-host.c
@@ -0,0 +1,208 @@
+/*
+ * Copyright (c) 2013, Google Inc.
+ *
+ * (C) Copyright 2008 Semihalf
+ *
+ * (C) Copyright 2000-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program 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 program 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 program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include "mkimage.h"
+#include <bootstage.h>
+#include <image.h>
+#include <sha1.h>
+#include <time.h>
+#include <u-boot/crc.h>
+#include <u-boot/md5.h>
+
+/**
+ * fit_set_hash_value - set hash value in requested has node
+ * @fit: pointer to the FIT format image header
+ * @noffset: hash node offset
+ * @value: hash value to be set
+ * @value_len: hash value length
+ *
+ * fit_set_hash_value() attempts to set hash value in a node at offset
+ * given and returns operation status to the caller.
+ *
+ * returns
+ *     0, on success
+ *     -1, on failure
+ */
+static int fit_set_hash_value(void *fit, int noffset, uint8_t *value,
+				int value_len)
+{
+	int ret;
+
+	ret = fdt_setprop(fit, noffset, FIT_VALUE_PROP, value, value_len);
+	if (ret) {
+		printf("Can't set hash '%s' property for '%s' node(%s)\n",
+		       FIT_VALUE_PROP, fit_get_name(fit, noffset, NULL),
+		       fdt_strerror(ret));
+		return -1;
+	}
+
+	return 0;
+}
+
+/**
+ * fit_image_process_hash - Process a single subnode of the images/ node
+ *
+ * Check each subnode and process accordingly. For hash nodes we generate
+ * a hash of the supplised data and store it in the node.
+ *
+ * @fit:	pointer to the FIT format image header
+ * @image_name:	name of image being processes (used to display errors)
+ * @noffset:	subnode offset
+ * @data:	data to process
+ * @size:	size of data in bytes
+ * @return 0 if ok, -1 on error
+ */
+static int fit_image_process_hash(void *fit, const char *image_name,
+		int noffset, const void *data, size_t size)
+{
+	uint8_t value[FIT_MAX_HASH_LEN];
+	const char *node_name;
+	int value_len;
+	char *algo;
+
+	node_name = fit_get_name(fit, noffset, NULL);
+
+	if (fit_image_hash_get_algo(fit, noffset, &algo)) {
+		printf("Can't get hash algo property for '%s' hash node in '%s' image node\n",
+		       node_name, image_name);
+		return -1;
+	}
+
+	if (calculate_hash(data, size, algo, value, &value_len)) {
+		printf("Unsupported hash algorithm (%s) for '%s' hash node in '%s' image node\n",
+		       algo, node_name, image_name);
+		return -1;
+	}
+
+	if (fit_set_hash_value(fit, noffset, value, value_len)) {
+		printf("Can't set hash value for '%s' hash node in '%s' image node\n",
+		       node_name, image_name);
+		return -1;
+	}
+
+	return 0;
+}
+
+/**
+ * fit_image_add_verification_data() - calculate/set hash data for image node
+ *
+ * This adds hash values for a component image node.
+ *
+ * All existing hash subnodes are checked, if algorithm property is set to
+ * one of the supported hash algorithms, hash value is computed and
+ * corresponding hash node property is set, for example:
+ *
+ * Input component image node structure:
+ *
+ * o image@1 (at image_noffset)
+ *   | - data = [binary data]
+ *   o hash@1
+ *     |- algo = "sha1"
+ *
+ * Output component image node structure:
+ *
+ * o image@1 (at image_noffset)
+ *   | - data = [binary data]
+ *   o hash@1
+ *     |- algo = "sha1"
+ *     |- value = sha1(data)
+ *
+ * For signature details, please see doc/uImage.FIT/signature.txt
+ *
+ * @fit:	Pointer to the FIT format image header
+ * @image_noffset: Requested component image node
+ * @return: 0 on success, <0 on failure
+ */
+int fit_image_add_verification_data(void *fit, int image_noffset)
+{
+	const char *image_name;
+	const void *data;
+	size_t size;
+	int noffset;
+
+	/* Get image data and data length */
+	if (fit_image_get_data(fit, image_noffset, &data, &size)) {
+		printf("Can't get image data/size\n");
+		return -1;
+	}
+
+	image_name = fit_get_name(fit, image_noffset, NULL);
+
+	/* Process all hash subnodes of the component image node */
+	for (noffset = fdt_first_subnode(fit, image_noffset);
+	     noffset >= 0;
+	     noffset = fdt_next_subnode(fit, noffset)) {
+		const char *node_name;
+		int ret = 0;
+
+		/*
+		 * Check subnode name, must be equal to "hash" or "signature".
+		 * Multiple hash nodes require unique unit node
+		 * names, e.g. hash@1, hash@2, signature@1, etc.
+		 */
+		node_name = fit_get_name(fit, noffset, NULL);
+		if (!strncmp(node_name, FIT_HASH_NODENAME,
+			     strlen(FIT_HASH_NODENAME))) {
+			ret = fit_image_process_hash(fit, image_name, noffset,
+						data, size);
+		}
+		if (ret)
+			return -1;
+	}
+
+	return 0;
+}
+
+int fit_add_verification_data(void *fit)
+{
+	int images_noffset;
+	int noffset;
+	int ret;
+
+	/* Find images parent node offset */
+	images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
+	if (images_noffset < 0) {
+		printf("Can't find images parent node '%s' (%s)\n",
+		       FIT_IMAGES_PATH, fdt_strerror(images_noffset));
+		return images_noffset;
+	}
+
+	/* Process its subnodes, print out component images details */
+	for (noffset = fdt_first_subnode(fit, images_noffset);
+	     noffset >= 0;
+	     noffset = fdt_next_subnode(fit, noffset)) {
+		/*
+		 * Direct child node of the images parent node,
+		 * i.e. component image node.
+		 */
+		ret = fit_image_add_verification_data(fit, noffset);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
diff --git a/tools/mkimage.h b/tools/mkimage.h
index ea45f5c..e07a615 100644
--- a/tools/mkimage.h
+++ b/tools/mkimage.h
@@ -42,6 +42,8 @@
 #define debug(fmt,args...)
 #endif /* MKIMAGE_DEBUG */
 
+#define ARRAY_SIZE(x)		(sizeof(x) / sizeof((x)[0]))
+
 #define MKIMAGE_TMPFILE_SUFFIX		".tmp"
 #define MKIMAGE_MAX_TMPFILE_LEN		256
 #define MKIMAGE_DEFAULT_DTC_OPTIONS	"-I dts -O dtb -p 500"
diff --git a/tools/patman/gitutil.py b/tools/patman/gitutil.py
index e31da15..b7f6739 100644
--- a/tools/patman/gitutil.py
+++ b/tools/patman/gitutil.py
@@ -56,10 +56,14 @@ def GetUpstream(git_dir, branch):
     Returns:
         Name of upstream branch (e.g. 'upstream/master') or None if none
     """
-    remote = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
-            'branch.%s.remote' % branch)
-    merge = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
-            'branch.%s.merge' % branch)
+    try:
+        remote = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
+                                       'branch.%s.remote' % branch)
+        merge = command.OutputOneLine('git', '--git-dir', git_dir, 'config',
+                                      'branch.%s.merge' % branch)
+    except:
+        return None
+
     if remote == '.':
         return merge
     elif remote and merge:
@@ -78,9 +82,11 @@ def GetRangeInBranch(git_dir, branch, include_upstream=False):
         branch: Name of branch
     Return:
         Expression in the form 'upstream..branch' which can be used to
-        access the commits.
+        access the commits. If the branch does not exist, returns None.
     """
     upstream = GetUpstream(git_dir, branch)
+    if not upstream:
+        return None
     return '%s%s..%s' % (upstream, '~' if include_upstream else '', branch)
 
 def CountCommitsInBranch(git_dir, branch, include_upstream=False):
@@ -90,9 +96,12 @@ def CountCommitsInBranch(git_dir, branch, include_upstream=False):
         git_dir: Directory containing git repo
         branch: Name of branch
     Return:
-        Number of patches that exist on top of the branch
+        Number of patches that exist on top of the branch, or None if the
+        branch does not exist.
     """
     range_expr = GetRangeInBranch(git_dir, branch, include_upstream)
+    if not range_expr:
+        return None
     pipe = [['git', '--git-dir', git_dir, 'log', '--oneline', '--no-decorate',
              range_expr],
             ['wc', '-l']]
diff --git a/tools/patman/patman.py b/tools/patman/patman.py
index a8061a9..7a317c5 100755
--- a/tools/patman/patman.py
+++ b/tools/patman/patman.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 #
 # Copyright (c) 2011 The Chromium OS Authors.
 #
diff --git a/tools/patman/series.py b/tools/patman/series.py
index 783b3dd..85ed316 100644
--- a/tools/patman/series.py
+++ b/tools/patman/series.py
@@ -40,6 +40,7 @@ class Series(dict):
         notes: List of lines in the notes
         changes: (dict) List of changes for each version, The key is
             the integer version number
+        allow_overwrite: Allow tags to overwrite an existing tag
     """
     def __init__(self):
         self.cc = []
@@ -49,6 +50,7 @@ class Series(dict):
         self.cover = None
         self.notes = []
         self.changes = {}
+        self.allow_overwrite = False
 
         # Written in MakeCcFile()
         #  key: name of patch file
@@ -72,7 +74,7 @@ class Series(dict):
         """
         # If we already have it, then add to our list
         name = name.replace('-', '_')
-        if name in self:
+        if name in self and not self.allow_overwrite:
             values = value.split(',')
             values = [str.strip() for str in values]
             if type(self[name]) != type([]):