drivers/ddr/fsl: Dual-license DDR driver

To make this driver easier to be reused, dual-license DDR driver.

Signed-off-by: York Sun <york.sun@nxp.com>
CC: Simon Glass <sjg@chromium.org>
CC: Tom Rini <trini@konsulko.com>
CC: Heinrich Schuchardt <xypron.glpk@gmx.de>
CC: Thomas Schaefer <thomas.schaefer@kontron.com>
CC: Masahiro Yamada <yamada.masahiro@socionext.com>
CC: Robert P. J. Day <rpjday@crashcourse.ca>
CC: Alexander Merkle <alexander.merkle@lauterbach.com>
CC: Joakim Tjernlund <joakim.tjernlund@transmode.se>
CC: Curt Brune <curt@cumulusnetworks.com>
CC: Valentin Longchamp <valentin.longchamp@keymile.com>
CC: Wolfgang Denk <wd@denx.de>
CC: Anatolij Gustschin <agust@denx.de>
CC: Ira W. Snyder <iws@ovro.caltech.edu>
CC: Marek Vasut <marek.vasut@gmail.com>
CC: Kyle Moffett <Kyle.D.Moffett@boeing.com>
CC: Sebastien Carlier <sebastien.carlier@gmail.com>
CC: Stefan Roese <sr@denx.de>
CC: Peter Tyser <ptyser@xes-inc.com>
CC: Paul Gortmaker <paul.gortmaker@windriver.com>
CC: Peter Tyser <ptyser@xes-inc.com>
CC: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/drivers/ddr/fsl/arm_ddr_gen3.c b/drivers/ddr/fsl/arm_ddr_gen3.c
index aaf4dfb..4fa0d5d 100644
--- a/drivers/ddr/fsl/arm_ddr_gen3.c
+++ b/drivers/ddr/fsl/arm_ddr_gen3.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2013 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0+
+ * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
  *
  * Derived from mpc85xx_ddr_gen3.c, removed all workarounds
  */
diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c
index 8b87271..7308309 100644
--- a/drivers/ddr/fsl/ctrl_regs.c
+++ b/drivers/ddr/fsl/ctrl_regs.c
@@ -2,7 +2,7 @@
  * Copyright 2008-2016 Freescale Semiconductor, Inc.
  * Copyright 2017-2018 NXP Semiconductor
  *
- * SPDX-License-Identifier:	GPL-2.0+
+ * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
  */
 
 /*
diff --git a/drivers/ddr/fsl/ddr1_dimm_params.c b/drivers/ddr/fsl/ddr1_dimm_params.c
index c02725e..8a8c17c 100644
--- a/drivers/ddr/fsl/ddr1_dimm_params.c
+++ b/drivers/ddr/fsl/ddr1_dimm_params.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0
+ * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/ddr2_dimm_params.c b/drivers/ddr/fsl/ddr2_dimm_params.c
index 062c849..3ff35aa 100644
--- a/drivers/ddr/fsl/ddr2_dimm_params.c
+++ b/drivers/ddr/fsl/ddr2_dimm_params.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0
+ * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/ddr3_dimm_params.c b/drivers/ddr/fsl/ddr3_dimm_params.c
index 8a0587a..d8f170e 100644
--- a/drivers/ddr/fsl/ddr3_dimm_params.c
+++ b/drivers/ddr/fsl/ddr3_dimm_params.c
@@ -6,7 +6,7 @@
  * from ddr3 spd, please refer to the spec
  * JEDEC standard No.21-C 4_01_02_11R18.pdf
  *
- * SPDX-License-Identifier:	GPL-2.0
+ * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/ddr4_dimm_params.c b/drivers/ddr/fsl/ddr4_dimm_params.c
index 4867fbc..343b0ff 100644
--- a/drivers/ddr/fsl/ddr4_dimm_params.c
+++ b/drivers/ddr/fsl/ddr4_dimm_params.c
@@ -2,7 +2,7 @@
  * Copyright 2014-2016 Freescale Semiconductor, Inc.
  * Copyright 2017-2018 NXP Semiconductor
  *
- * SPDX-License-Identifier:	GPL-2.0+
+ * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
  *
  * calculate the organization and timing parameter
  * from ddr3 spd, please refer to the spec
diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c
index c225c8e..1829aa4 100644
--- a/drivers/ddr/fsl/fsl_ddr_gen4.c
+++ b/drivers/ddr/fsl/fsl_ddr_gen4.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2014-2015 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0+
+ * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/fsl_mmdc.c b/drivers/ddr/fsl/fsl_mmdc.c
index 52eec0f..1312c08 100644
--- a/drivers/ddr/fsl/fsl_mmdc.c
+++ b/drivers/ddr/fsl/fsl_mmdc.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2016 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:     GPL-2.0+
+ * SPDX-License-Identifier:     GPL-2.0+	BSD-3-Clause
  */
 
 /*
diff --git a/drivers/ddr/fsl/interactive.c b/drivers/ddr/fsl/interactive.c
index 1fa35c3..f5c21e4 100644
--- a/drivers/ddr/fsl/interactive.c
+++ b/drivers/ddr/fsl/interactive.c
@@ -2,7 +2,7 @@
  * Copyright 2010-2016 Freescale Semiconductor, Inc.
  * Copyright 2017-2018 NXP Semiconductor
  *
- * SPDX-License-Identifier:	GPL-2.0+
+ * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
  */
 
 /*
diff --git a/drivers/ddr/fsl/lc_common_dimm_params.c b/drivers/ddr/fsl/lc_common_dimm_params.c
index 6599901..3d28abd 100644
--- a/drivers/ddr/fsl/lc_common_dimm_params.c
+++ b/drivers/ddr/fsl/lc_common_dimm_params.c
@@ -2,7 +2,7 @@
  * Copyright 2008-2016 Freescale Semiconductor, Inc.
  * Copyright 2017-2018 NXP Semiconductor
  *
- * SPDX-License-Identifier:	GPL-2.0
+ * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/main.c b/drivers/ddr/fsl/main.c
index d0a7b3f..85897b1 100644
--- a/drivers/ddr/fsl/main.c
+++ b/drivers/ddr/fsl/main.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008-2014 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0
+ * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
  */
 
 /*
diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen1.c b/drivers/ddr/fsl/mpc85xx_ddr_gen1.c
index c005f52..f74bf32 100644
--- a/drivers/ddr/fsl/mpc85xx_ddr_gen1.c
+++ b/drivers/ddr/fsl/mpc85xx_ddr_gen1.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0
+ * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen2.c b/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
index 898b0cd..6da4400 100644
--- a/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
+++ b/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008-2011 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0
+ * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
index afbed59..e58f76a 100644
--- a/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
+++ b/drivers/ddr/fsl/mpc85xx_ddr_gen3.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008-2012 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0
+ * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/mpc86xx_ddr.c b/drivers/ddr/fsl/mpc86xx_ddr.c
index a65eb31..bda5b83 100644
--- a/drivers/ddr/fsl/mpc86xx_ddr.c
+++ b/drivers/ddr/fsl/mpc86xx_ddr.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0
+ * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/options.c b/drivers/ddr/fsl/options.c
index 85ec48c..1abea1d 100644
--- a/drivers/ddr/fsl/options.c
+++ b/drivers/ddr/fsl/options.c
@@ -2,7 +2,7 @@
  * Copyright 2008, 2010-2016 Freescale Semiconductor, Inc.
  * Copyright 2017-2018 NXP Semiconductor
  *
- * SPDX-License-Identifier:	GPL-2.0+
+ * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
  */
 
 #include <common.h>
diff --git a/drivers/ddr/fsl/util.c b/drivers/ddr/fsl/util.c
index d6e6e78..11731cb 100644
--- a/drivers/ddr/fsl/util.c
+++ b/drivers/ddr/fsl/util.c
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008-2014 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0
+ * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
  */
 
 #include <common.h>
diff --git a/include/common_timing_params.h b/include/common_timing_params.h
index 0700107..3881456 100644
--- a/include/common_timing_params.h
+++ b/include/common_timing_params.h
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008-2014 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0
+ * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
  */
 
 #ifndef COMMON_TIMING_PARAMS_H
diff --git a/include/fsl_ddr.h b/include/fsl_ddr.h
index 261b94e..996723c 100644
--- a/include/fsl_ddr.h
+++ b/include/fsl_ddr.h
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008-2014 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0
+ * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
  */
 
 #ifndef FSL_DDR_MAIN_H
diff --git a/include/fsl_ddr_dimm_params.h b/include/fsl_ddr_dimm_params.h
index 1632a8f..af673fd 100644
--- a/include/fsl_ddr_dimm_params.h
+++ b/include/fsl_ddr_dimm_params.h
@@ -2,7 +2,7 @@
  * Copyright 2008-2016 Freescale Semiconductor, Inc.
  * Copyright 2017-2018 NXP Semiconductor
  *
- * SPDX-License-Identifier:	GPL-2.0
+ * SPDX-License-Identifier:	GPL-2.0	BSD-3-Clause
  */
 
 #ifndef DDR2_DIMM_PARAMS_H
diff --git a/include/fsl_ddrc_version.h b/include/fsl_ddrc_version.h
index 60ba98b..4c5aed4 100644
--- a/include/fsl_ddrc_version.h
+++ b/include/fsl_ddrc_version.h
@@ -1,7 +1,7 @@
 /*
  * Copyright 2014 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0+
+ * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
  */
 
 #ifndef __FSL_DDRC_VER_H
diff --git a/include/fsl_immap.h b/include/fsl_immap.h
index 4f5a19c..e210c4c 100644
--- a/include/fsl_immap.h
+++ b/include/fsl_immap.h
@@ -3,7 +3,7 @@
  *
  * Copyright 2013-2014 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0+
+ * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
  */
 
 #ifndef __FSL_IMMAP_H
diff --git a/include/fsl_mmdc.h b/include/fsl_mmdc.h
index d5c4f8d..d364e07 100644
--- a/include/fsl_mmdc.h
+++ b/include/fsl_mmdc.h
@@ -1,7 +1,7 @@
 /*
  * Copyright 2016 Freescale Semiconductor, Inc.
  *
- * SPDX-License-Identifier:	GPL-2.0+
+ * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
  */
 
 #ifndef FSL_MMDC_H