16 files changed, 36 insertions, 206 deletions
diff --git a/src/northbridge/amd/agesa/Kconfig b/src/northbridge/amd/agesa/Kconfig
index 1e0153b335..42085c494c 100644
--- a/src/northbridge/amd/agesa/Kconfig
+++ b/src/northbridge/amd/agesa/Kconfig
@@ -1,16 +1,5 @@
-#
 # This file is part of the coreboot 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; version 2 of the License.
-#
-# 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.
-#
+# SPDX-License-Identifier: GPL-2.0-only
 
 config NORTHBRIDGE_AMD_AGESA
 	bool
diff --git a/src/northbridge/amd/agesa/family14/Kconfig b/src/northbridge/amd/agesa/family14/Kconfig
index 96f75ca8d9..7f10193f7b 100644
--- a/src/northbridge/amd/agesa/family14/Kconfig
+++ b/src/northbridge/amd/agesa/family14/Kconfig
@@ -1,16 +1,6 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
+
 config NORTHBRIDGE_AMD_AGESA_FAMILY14
 	bool
 
diff --git a/src/northbridge/amd/agesa/family15tn/Kconfig b/src/northbridge/amd/agesa/family15tn/Kconfig
index 6c24f8774d..ec139b6572 100644
--- a/src/northbridge/amd/agesa/family15tn/Kconfig
+++ b/src/northbridge/amd/agesa/family15tn/Kconfig
@@ -1,16 +1,6 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
+
 config NORTHBRIDGE_AMD_AGESA_FAMILY15_TN
 	bool
 
diff --git a/src/northbridge/amd/agesa/family16kb/Kconfig b/src/northbridge/amd/agesa/family16kb/Kconfig
index 739668b639..15c1b87ed3 100644
--- a/src/northbridge/amd/agesa/family16kb/Kconfig
+++ b/src/northbridge/amd/agesa/family16kb/Kconfig
@@ -1,16 +1,6 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
+
 config NORTHBRIDGE_AMD_AGESA_FAMILY16_KB
 	bool
 
diff --git a/src/northbridge/amd/pi/00630F01/Kconfig b/src/northbridge/amd/pi/00630F01/Kconfig
index 8eb3205ef3..b78cd78a23 100644
--- a/src/northbridge/amd/pi/00630F01/Kconfig
+++ b/src/northbridge/amd/pi/00630F01/Kconfig
@@ -1,16 +1,6 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
+
 config NORTHBRIDGE_AMD_PI_00630F01
 	bool
 
diff --git a/src/northbridge/amd/pi/00660F01/Kconfig b/src/northbridge/amd/pi/00660F01/Kconfig
index 105fbc83db..e47d20d68b 100644
--- a/src/northbridge/amd/pi/00660F01/Kconfig
+++ b/src/northbridge/amd/pi/00660F01/Kconfig
@@ -1,16 +1,6 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
+
 config NORTHBRIDGE_AMD_PI_00660F01
 	bool
 
diff --git a/src/northbridge/amd/pi/00730F01/Kconfig b/src/northbridge/amd/pi/00730F01/Kconfig
index cdc974a900..b2a101f3e6 100644
--- a/src/northbridge/amd/pi/00730F01/Kconfig
+++ b/src/northbridge/amd/pi/00730F01/Kconfig
@@ -1,16 +1,6 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
+
 config NORTHBRIDGE_AMD_PI_00730F01
 	bool
 
diff --git a/src/northbridge/amd/pi/Kconfig b/src/northbridge/amd/pi/Kconfig
index 74c993b4e7..05f3bece88 100644
--- a/src/northbridge/amd/pi/Kconfig
+++ b/src/northbridge/amd/pi/Kconfig
@@ -1,16 +1,5 @@
-#
 # This file is part of the coreboot 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; version 2 of the License.
-#
-# 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.
-#
+# SPDX-License-Identifier: GPL-2.0-only
 
 config NORTHBRIDGE_AMD_PI
 	bool
diff --git a/src/northbridge/intel/e7505/Kconfig b/src/northbridge/intel/e7505/Kconfig
index b056fa7d4c..0e49a21b4d 100644
--- a/src/northbridge/intel/e7505/Kconfig
+++ b/src/northbridge/intel/e7505/Kconfig
@@ -1,16 +1,5 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
 
 config NORTHBRIDGE_INTEL_E7505
 	bool
diff --git a/src/northbridge/intel/gm45/Kconfig b/src/northbridge/intel/gm45/Kconfig
index 8857bd4f9b..7edea51dfd 100644
--- a/src/northbridge/intel/gm45/Kconfig
+++ b/src/northbridge/intel/gm45/Kconfig
@@ -1,16 +1,5 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
 
 config NORTHBRIDGE_INTEL_GM45
 	bool
diff --git a/src/northbridge/intel/haswell/Kconfig b/src/northbridge/intel/haswell/Kconfig
index 06ce371946..972b3c996a 100644
--- a/src/northbridge/intel/haswell/Kconfig
+++ b/src/northbridge/intel/haswell/Kconfig
@@ -1,16 +1,5 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
 
 config NORTHBRIDGE_INTEL_HASWELL
 	bool
diff --git a/src/northbridge/intel/i440bx/Kconfig b/src/northbridge/intel/i440bx/Kconfig
index 0161eb3020..d8a81934fc 100644
--- a/src/northbridge/intel/i440bx/Kconfig
+++ b/src/northbridge/intel/i440bx/Kconfig
@@ -1,16 +1,5 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
 
 config NORTHBRIDGE_INTEL_I440BX
 	bool
diff --git a/src/northbridge/intel/i945/Kconfig b/src/northbridge/intel/i945/Kconfig
index 4690a54609..2c83be420f 100644
--- a/src/northbridge/intel/i945/Kconfig
+++ b/src/northbridge/intel/i945/Kconfig
@@ -1,16 +1,5 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
 
 config NORTHBRIDGE_INTEL_I945
 	bool
diff --git a/src/northbridge/intel/ironlake/Kconfig b/src/northbridge/intel/ironlake/Kconfig
index 9d937965dd..30370f89b0 100644
--- a/src/northbridge/intel/ironlake/Kconfig
+++ b/src/northbridge/intel/ironlake/Kconfig
@@ -1,16 +1,5 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
 
 config NORTHBRIDGE_INTEL_IRONLAKE
 	bool
diff --git a/src/northbridge/intel/pineview/Kconfig b/src/northbridge/intel/pineview/Kconfig
index f7ffa87ead..181846fdc1 100644
--- a/src/northbridge/intel/pineview/Kconfig
+++ b/src/northbridge/intel/pineview/Kconfig
@@ -1,16 +1,5 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
 
 config NORTHBRIDGE_INTEL_PINEVIEW
 	bool
diff --git a/src/northbridge/intel/x4x/Kconfig b/src/northbridge/intel/x4x/Kconfig
index 8c0be74bf2..82fce8f61e 100644
--- a/src/northbridge/intel/x4x/Kconfig
+++ b/src/northbridge/intel/x4x/Kconfig
@@ -1,16 +1,5 @@
-##
-## This file is part of the coreboot 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; version 2 of the License.
-##
-## 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.
-##
+# This file is part of the coreboot project.
+# SPDX-License-Identifier: GPL-2.0-only
 
 config NORTHBRIDGE_INTEL_X4X
 	bool