diff --git a/src/southbridge/nvidia/ck804/acpi/ck804.asl b/src/southbridge/nvidia/ck804/acpi/ck804.asl
index f12931c814..aac7ea8bad 100644
--- a/src/southbridge/nvidia/ck804/acpi/ck804.asl
+++ b/src/southbridge/nvidia/ck804/acpi/ck804.asl
@@ -1,3 +1,16 @@
+/*
+ * 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.
+ */
+
 Device (LPCB) {
 	Name (_ADR, 0x00010000)
 	OperationRegion (LPC0, PCI_Config, 0x00, 0x100)
diff --git a/src/southbridge/nvidia/ck804/early_smbus.h b/src/southbridge/nvidia/ck804/early_smbus.h
index cf25403fdd..5aacd93214 100644
--- a/src/southbridge/nvidia/ck804/early_smbus.h
+++ b/src/southbridge/nvidia/ck804/early_smbus.h
@@ -1,3 +1,16 @@
+/*
+ * 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.
+ */
+
 int ck804_smbus_read_byte(unsigned int, unsigned int, unsigned);
 int ck804_smbus_write_byte(unsigned int, unsigned int, unsigned int, unsigned char);
 void enable_smbus(void);
diff --git a/src/southbridge/nvidia/ck804/fadt.c b/src/southbridge/nvidia/ck804/fadt.c
index b63bd8da77..ee9db2f671 100644
--- a/src/southbridge/nvidia/ck804/fadt.c
+++ b/src/southbridge/nvidia/ck804/fadt.c
@@ -1,6 +1,20 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * (C) Copyright 2005 Stefan Reinauer <stepan@openbios.org>
+ *
+ * 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.
+ */
+
 /*
  * ACPI - create the Fixed ACPI Description Tables (FADT)
- * (C) Copyright 2005 Stefan Reinauer <stepan@openbios.org>
  */
 
 #include <string.h>