Merge branch 'next'

Bring in the following merges:

commit 8fbbec12f7d2c18f8883f3371cfca74a98b5dd87
Merge: 87f69f467a83 63618e71e89b
Author: Tom Rini <trini@konsulko.com>
Date:   Fri Jan 3 09:48:47 2020 -0500

    Merge https://gitlab.denx.de/u-boot/custodians/u-boot-fsl-qoriq into next

    - updates and fixes on ls1028a, lx2, ls1046a, MC-DPSPARSER support

commit 87f69f467a8335b171c71bf217d2625d515acd7c
Merge: c0912f9bbfb2 4466b9970319
Author: Tom Rini <trini@konsulko.com>
Date:   Tue Dec 24 08:18:19 2019 -0500

    Merge https://gitlab.denx.de/u-boot/custodians/u-boot-mpc85xx into next

    - Enable DM driver on ppc/km boards
    - Enable DM_USB for some of NXP powerpc platforms: P5040, T4240, T208x,
      T104x, P4080, P2041, P2020, P1020, P3041
    - Some updates in mpc85xx-ddr driver, km boards

commit c0912f9bbfb26dd03d189953678691b799d35b6e
Merge: 533c9f5714bd a1d6dc3f8407
Author: Tom Rini <trini@konsulko.com>
Date:   Wed Dec 18 07:20:19 2019 -0500

    Merge branch 'next' of https://gitlab.denx.de/u-boot/custodians/u-boot-x86 into next

    - Various x86 common codes updated for TPL/SPL
    - I2C designware driver updated for PCI
    - ICH SPI driver updated to support Apollo Lake
    - Add Intel FSP2 base support
    - Intel Apollo Lake platform specific drivers support
    - Add a new board Google Chromebook Coral

commit 533c9f5714bdba79dc6f2629284d4c1a08a611d1
Merge: 553cb0688782 033e18b47bd0
Author: Tom Rini <trini@konsulko.com>
Date:   Tue Dec 17 07:53:08 2019 -0500

    Merge tag '20191217-for-next' of https://gitlab.denx.de/u-boot/custodians/u-boot-i2c into next

    i2c: for next
    - misc: i2c_eeprom:
      Add partition support and add ability to query size
      of eeprom device and partitions
    - i2c common:
      add support for offset overflow in to address and add
      sandbox tests for it.

commit 553cb06887825314e74a9bdac337467c77d1db88
Merge: f39abbbc531e b4f98b3b16ec
Author: Tom Rini <trini@konsulko.com>
Date:   Thu Dec 12 08:18:59 2019 -0500

    Merge tag 'dm-next-13dec19' of https://gitlab.denx.de/u-boot/custodians/u-boot-dm into next

    buildman improvements including toolchain environment feature
    sandbox unicode support in serial

7 files changed, 127 insertions, 36 deletions

diff --git a/tools/buildman/README b/tools/buildman/README
index e36619216d..c1ac0d0f58 100644
--- a/tools/buildman/README
+++ b/tools/buildman/README
@@ -1061,6 +1061,9 @@ Other options
 
 Buildman has various other command line options. Try --help to see them.
 
+To find out what architecture or toolchain prefix buildman will use for a build,
+see the -a and -A options.
+
 When doing builds, Buildman's return code will reflect the overall result:
 
     0 (success)     No errors or warnings found
diff --git a/tools/buildman/builder.py b/tools/buildman/builder.py
index cfbe4c26b1..784c64122b 100644
--- a/tools/buildman/builder.py
+++ b/tools/buildman/builder.py
@@ -577,7 +577,8 @@ class Builder:
         sym = {}
         for line in fd.readlines():
             try:
-                size, type, name = line[:-1].split()
+                if line.strip():
+                    size, type, name = line[:-1].split()
             except:
                 Print("Invalid line in file '%s': '%s'" % (fname, line[:-1]))
                 continue
diff --git a/tools/buildman/cmdline.py b/tools/buildman/cmdline.py
index 832a5145d2..b41209373d 100644
--- a/tools/buildman/cmdline.py
+++ b/tools/buildman/cmdline.py
@@ -13,6 +13,10 @@ def ParseArgs():
             args: command lin arguments
     """
     parser = OptionParser()
+    parser.add_option('-a', '--print-arch', action='store_true',
+          help='Print the architecture for a board (ARCH=)')
+    parser.add_option('-A', '--print-prefix', action='store_true',
+          help='Print the tool-chain prefix for a board (CROSS_COMPILE=)')
     parser.add_option('-b', '--branch', type='string',
           help='Branch name to build, or range of commits to build')
     parser.add_option('-B', '--bloat', dest='show_bloat',
diff --git a/tools/buildman/control.py b/tools/buildman/control.py
index c55a65d0c3..969d866547 100644
--- a/tools/buildman/control.py
+++ b/tools/buildman/control.py
@@ -107,6 +107,34 @@ def CheckOutputDir(output_dir):
             break
         path = parent
 
+def ShowToolchainInfo(boards, toolchains, print_arch, print_prefix):
+    """Show information about a the tool chain used by one or more boards
+
+    The function checks that all boards use the same toolchain.
+
+    Args:
+        boards: Boards object containing selected boards
+        toolchains: Toolchains object containing available toolchains
+        print_arch: True to print ARCH value
+        print_prefix: True to print CROSS_COMPILE value
+
+    Return:
+        None on success, string error message otherwise
+    """
+    boards = boards.GetSelectedDict()
+    tc_set = set()
+    for brd in boards.values():
+        tc_set.add(toolchains.Select(brd.arch))
+    if len(tc_set) != 1:
+        return 'Supplied boards must share one toolchain'
+        return False
+    tc = tc_set.pop()
+    if print_arch:
+        print(tc.GetEnvArgs(toolchain.VAR_ARCH))
+    if print_prefix:
+        print(tc.GetEnvArgs(toolchain.VAR_CROSS_COMPILE))
+    return None
+
 def DoBuildman(options, args, toolchains=None, make_func=None, boards=None,
                clean_dir=False):
     """The main control code for buildman
@@ -170,42 +198,13 @@ def DoBuildman(options, args, toolchains=None, make_func=None, boards=None,
         print()
         return 0
 
-    # Work out how many commits to build. We want to build everything on the
-    # branch. We also build the upstream commit as a control so we can see
-    # problems introduced by the first commit on the branch.
-    count = options.count
-    has_range = options.branch and '..' in options.branch
-    if count == -1:
-        if not options.branch:
-            count = 1
-        else:
-            if has_range:
-                count, msg = gitutil.CountCommitsInRange(options.git_dir,
-                                                         options.branch)
-            else:
-                count, msg = gitutil.CountCommitsInBranch(options.git_dir,
-                                                          options.branch)
-            if count is None:
-                sys.exit(col.Color(col.RED, msg))
-            elif count == 0:
-                sys.exit(col.Color(col.RED, "Range '%s' has no commits" %
-                                   options.branch))
-            if msg:
-                print(col.Color(col.YELLOW, msg))
-            count += 1   # Build upstream commit also
-
-    if not count:
-        str = ("No commits found to process in branch '%s': "
-               "set branch's upstream or use -c flag" % options.branch)
-        sys.exit(col.Color(col.RED, str))
-
     # Work out what subset of the boards we are building
     if not boards:
         if not os.path.exists(options.output_dir):
             os.makedirs(options.output_dir)
         board_file = os.path.join(options.output_dir, 'boards.cfg')
         genboardscfg = os.path.join(options.git, 'tools/genboardscfg.py')
-        status = subprocess.call([genboardscfg, '-o', board_file])
+        status = subprocess.call([genboardscfg, '-q', '-o', board_file])
         if status != 0:
             sys.exit("Failed to generate boards.cfg")
 
@@ -217,7 +216,6 @@ def DoBuildman(options, args, toolchains=None, make_func=None, boards=None,
         for arg in options.exclude:
             exclude += arg.split(',')
 
-
     if options.boards:
         requested_boards = []
         for b in options.boards:
@@ -230,6 +228,42 @@ def DoBuildman(options, args, toolchains=None, make_func=None, boards=None,
     if not len(selected):
         sys.exit(col.Color(col.RED, 'No matching boards found'))
 
+    if options.print_arch or options.print_prefix:
+        err = ShowToolchainInfo(boards, toolchains, options.print_arch,
+                                options.print_prefix)
+        if err:
+            sys.exit(col.Color(col.RED, err))
+        return 0
+
+    # Work out how many commits to build. We want to build everything on the
+    # branch. We also build the upstream commit as a control so we can see
+    # problems introduced by the first commit on the branch.
+    count = options.count
+    has_range = options.branch and '..' in options.branch
+    if count == -1:
+        if not options.branch:
+            count = 1
+        else:
+            if has_range:
+                count, msg = gitutil.CountCommitsInRange(options.git_dir,
+                                                         options.branch)
+            else:
+                count, msg = gitutil.CountCommitsInBranch(options.git_dir,
+                                                          options.branch)
+            if count is None:
+                sys.exit(col.Color(col.RED, msg))
+            elif count == 0:
+                sys.exit(col.Color(col.RED, "Range '%s' has no commits" %
+                                   options.branch))
+            if msg:
+                print(col.Color(col.YELLOW, msg))
+            count += 1   # Build upstream commit also
+
+    if not count:
+        str = ("No commits found to process in branch '%s': "
+               "set branch's upstream or use -c flag" % options.branch)
+        sys.exit(col.Color(col.RED, str))
+
     # Read the metadata from the commits. First look at the upstream commit,
     # then the ones in the branch. We would like to do something like
     # upstream/master~..branch but that isn't possible if upstream/master is
diff --git a/tools/buildman/test.py b/tools/buildman/test.py
index b4e28d6867..acd862b3b0 100644
--- a/tools/buildman/test.py
+++ b/tools/buildman/test.py
@@ -451,6 +451,24 @@ class TestBuild(unittest.TestCase):
                     'crosstool/files/bin/x86_64/.*/'
                     'x86_64-gcc-.*-nolibc_arm-.*linux-gnueabi.tar.xz')
 
+    def testGetEnvArgs(self):
+        """Test the GetEnvArgs() function"""
+        tc = self.toolchains.Select('arm')
+        self.assertEqual('arm-linux-',
+                         tc.GetEnvArgs(toolchain.VAR_CROSS_COMPILE))
+        self.assertEqual('', tc.GetEnvArgs(toolchain.VAR_PATH))
+        self.assertEqual('arm',
+                         tc.GetEnvArgs(toolchain.VAR_ARCH))
+        self.assertEqual('', tc.GetEnvArgs(toolchain.VAR_MAKE_ARGS))
+
+        self.toolchains.Add('/path/to/x86_64-linux-gcc', test=False)
+        tc = self.toolchains.Select('x86')
+        self.assertEqual('/path/to',
+                         tc.GetEnvArgs(toolchain.VAR_PATH))
+        tc.override_toolchain = 'clang'
+        self.assertEqual('HOSTCC=clang CC=clang',
+                         tc.GetEnvArgs(toolchain.VAR_MAKE_ARGS))
+
 
 if __name__ == "__main__":
     unittest.main()
diff --git a/tools/buildman/toolchain.py b/tools/buildman/toolchain.py
index cc26e2ede5..4f39bfd0ce 100644
--- a/tools/buildman/toolchain.py
+++ b/tools/buildman/toolchain.py
@@ -18,6 +18,8 @@ import tools
 (PRIORITY_FULL_PREFIX, PRIORITY_PREFIX_GCC, PRIORITY_PREFIX_GCC_PATH,
     PRIORITY_CALC) = list(range(4))
 
+(VAR_CROSS_COMPILE, VAR_PATH, VAR_ARCH, VAR_MAKE_ARGS) = range(4)
+
 # Simple class to collect links from a page
 class MyHTMLParser(HTMLParser):
     def __init__(self, arch):
@@ -145,6 +147,30 @@ class Toolchain:
 
         return value
 
+    def GetEnvArgs(self, which):
+        """Get an environment variable/args value based on the the toolchain
+
+        Args:
+            which: VAR_... value to get
+
+        Returns:
+            Value of that environment variable or arguments
+        """
+        wrapper = self.GetWrapper()
+        if which == VAR_CROSS_COMPILE:
+            return wrapper + os.path.join(self.path, self.cross)
+        elif which == VAR_PATH:
+            return self.path
+        elif which == VAR_ARCH:
+            return self.arch
+        elif which == VAR_MAKE_ARGS:
+            args = self.MakeArgs()
+            if args:
+                return ' '.join(args)
+            return ''
+        else:
+            raise ValueError('Unknown arg to GetEnvArgs (%d)' % which)
+
     def MakeEnvironment(self, full_path):
         """Returns an environment for using the toolchain.
 
@@ -435,9 +461,10 @@ class Toolchains:
         self._make_flags['target'] = board.target
         arg_str = self.ResolveReferences(self._make_flags,
                            self._make_flags.get(board.target, ''))
-        args = arg_str.split(' ')
+        args = re.findall("(?:\".*?\"|\S)+", arg_str)
         i = 0
         while i < len(args):
+            args[i] = args[i].replace('"', '')
             if not args[i]:
                 del args[i]
             else:
diff --git a/tools/genboardscfg.py b/tools/genboardscfg.py
index 4ff0bffaef..24df13e500 100755
--- a/tools/genboardscfg.py
+++ b/tools/genboardscfg.py
@@ -403,18 +403,20 @@ def format_and_output(params_list, output):
     with open(output, 'w', encoding="utf-8") as f:
         f.write(COMMENT_BLOCK + '\n'.join(output_lines) + '\n')
 
-def gen_boards_cfg(output, jobs=1, force=False):
+def gen_boards_cfg(output, jobs=1, force=False, quiet=False):
     """Generate a board database file.
 
     Arguments:
       output: The name of the output file
       jobs: The number of jobs to run simultaneously
       force: Force to generate the output even if it is new
+      quiet: True to avoid printing a message if nothing needs doing
     """
     check_top_directory()
 
     if not force and output_is_new(output):
-        print("%s is up to date. Nothing to do." % output)
+        if not quiet:
+            print("%s is up to date. Nothing to do." % output)
         sys.exit(0)
 
     params_list = scan_defconfigs(jobs)
@@ -435,9 +437,11 @@ def main():
                       help='the number of jobs to run simultaneously')
     parser.add_option('-o', '--output', default=OUTPUT_FILE,
                       help='output file [default=%s]' % OUTPUT_FILE)
+    parser.add_option('-q', '--quiet', action="store_true", help='run silently')
     (options, args) = parser.parse_args()
 
-    gen_boards_cfg(options.output, jobs=options.jobs, force=options.force)
+    gen_boards_cfg(options.output, jobs=options.jobs, force=options.force,
+                   quiet=options.quiet)
 
 if __name__ == '__main__':
     main()