diff --git a/arch/x86/cpu/quark/Kconfig b/arch/x86/cpu/quark/Kconfig
index 0ed7248..76f1592 100644
--- a/arch/x86/cpu/quark/Kconfig
+++ b/arch/x86/cpu/quark/Kconfig
@@ -1,8 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
 
 config INTEL_QUARK
 	bool
diff --git a/arch/x86/cpu/quark/Makefile b/arch/x86/cpu/quark/Makefile
index 93ce412..476e37c 100644
--- a/arch/x86/cpu/quark/Makefile
+++ b/arch/x86/cpu/quark/Makefile
@@ -1,8 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
 
 obj-y += car.o dram.o irq.o msg_port.o quark.o
 obj-y += mrc.o mrc_util.o hte.o smc.o
diff --git a/arch/x86/cpu/quark/acpi.c b/arch/x86/cpu/quark/acpi.c
index 5717a62..4a02720 100644
--- a/arch/x86/cpu/quark/acpi.c
+++ b/arch/x86/cpu/quark/acpi.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/x86/cpu/quark/car.S b/arch/x86/cpu/quark/car.S
index 3432ffa..48d5167 100644
--- a/arch/x86/cpu/quark/car.S
+++ b/arch/x86/cpu/quark/car.S
@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <config.h>
diff --git a/arch/x86/cpu/quark/dram.c b/arch/x86/cpu/quark/dram.c
index 47beb86..51f9659 100644
--- a/arch/x86/cpu/quark/dram.c
+++ b/arch/x86/cpu/quark/dram.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/x86/cpu/quark/hte.c b/arch/x86/cpu/quark/hte.c
index db601e4..df14779 100644
--- a/arch/x86/cpu/quark/hte.c
+++ b/arch/x86/cpu/quark/hte.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: Intel
 /*
  * Copyright (C) 2013, Intel Corporation
  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
  *
  * Ported from Intel released Quark UEFI BIOS
  * QuarkSocPkg/QuarkNorthCluster/MemoryInit/Pei
- *
- * SPDX-License-Identifier:	Intel
  */
 
 #include <common.h>
diff --git a/arch/x86/cpu/quark/hte.h b/arch/x86/cpu/quark/hte.h
index e98c7ef..b4ea488 100644
--- a/arch/x86/cpu/quark/hte.h
+++ b/arch/x86/cpu/quark/hte.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: Intel */
 /*
  * Copyright (C) 2013, Intel Corporation
  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
  *
  * Ported from Intel released Quark UEFI BIOS
  * QuarkSocPkg/QuarkNorthCluster/MemoryInit/Pei
- *
- * SPDX-License-Identifier:	Intel
  */
 
 #ifndef _HTE_H_
diff --git a/arch/x86/cpu/quark/irq.c b/arch/x86/cpu/quark/irq.c
index 1f8f909..6928c33 100644
--- a/arch/x86/cpu/quark/irq.c
+++ b/arch/x86/cpu/quark/irq.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
  * Copyright (C) 2015 Google, Inc
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/x86/cpu/quark/mrc.c b/arch/x86/cpu/quark/mrc.c
index 6e774cb..3e8c0bc 100644
--- a/arch/x86/cpu/quark/mrc.c
+++ b/arch/x86/cpu/quark/mrc.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: Intel
 /*
  * Copyright (C) 2013, Intel Corporation
  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
  *
  * Ported from Intel released Quark UEFI BIOS
  * QuarkSocPkg/QuarkNorthCluster/MemoryInit/Pei
- *
- * SPDX-License-Identifier:	Intel
  */
 
 /*
diff --git a/arch/x86/cpu/quark/mrc_util.c b/arch/x86/cpu/quark/mrc_util.c
index fac2d72..8a68ddb 100644
--- a/arch/x86/cpu/quark/mrc_util.c
+++ b/arch/x86/cpu/quark/mrc_util.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: Intel
 /*
  * Copyright (C) 2013, Intel Corporation
  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
  *
  * Ported from Intel released Quark UEFI BIOS
  * QuarkSocPkg/QuarkNorthCluster/MemoryInit/Pei
- *
- * SPDX-License-Identifier:	Intel
  */
 
 #include <common.h>
diff --git a/arch/x86/cpu/quark/mrc_util.h b/arch/x86/cpu/quark/mrc_util.h
index a63d1f9..4a760a9 100644
--- a/arch/x86/cpu/quark/mrc_util.h
+++ b/arch/x86/cpu/quark/mrc_util.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: Intel */
 /*
  * Copyright (C) 2013, Intel Corporation
  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
  *
  * Ported from Intel released Quark UEFI BIOS
  * QuarkSocPkg/QuarkNorthCluster/MemoryInit/Pei
- *
- * SPDX-License-Identifier:	Intel
  */
 
 #ifndef _MRC_UTIL_H_
diff --git a/arch/x86/cpu/quark/msg_port.c b/arch/x86/cpu/quark/msg_port.c
index cf828f2..d4f8c08 100644
--- a/arch/x86/cpu/quark/msg_port.c
+++ b/arch/x86/cpu/quark/msg_port.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/x86/cpu/quark/quark.c b/arch/x86/cpu/quark/quark.c
index c36a589..46141c4 100644
--- a/arch/x86/cpu/quark/quark.c
+++ b/arch/x86/cpu/quark/quark.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
diff --git a/arch/x86/cpu/quark/smc.c b/arch/x86/cpu/quark/smc.c
index 0195b56..b4b3e12 100644
--- a/arch/x86/cpu/quark/smc.c
+++ b/arch/x86/cpu/quark/smc.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: Intel
 /*
  * Copyright (C) 2013, Intel Corporation
  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
  *
  * Ported from Intel released Quark UEFI BIOS
  * QuarkSocPkg/QuarkNorthCluster/MemoryInit/Pei
- *
- * SPDX-License-Identifier:	Intel
  */
 
 #include <common.h>
diff --git a/arch/x86/cpu/quark/smc.h b/arch/x86/cpu/quark/smc.h
index 1582b87..eee2756 100644
--- a/arch/x86/cpu/quark/smc.h
+++ b/arch/x86/cpu/quark/smc.h
@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: Intel */
 /*
  * Copyright (C) 2013, Intel Corporation
  * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
  *
  * Ported from Intel released Quark UEFI BIOS
  * QuarkSocPkg/QuarkNorthCluster/MemoryInit/Pei
- *
- * SPDX-License-Identifier:	Intel
  */
 
 #ifndef _SMC_H_