arch/risk-v: migrate to SPDX identifier

Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

arch/risc-v/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # arch/risc-v/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

arch/risc-v/include/arch.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/arch.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/barriers.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/barriers.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/bl602/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/bl602/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/bl602/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/bl602/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/bl808/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/bl808/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/bl808/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/bl808/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/c906/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/c906/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/c906/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/c906/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/csr.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/csr.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/elf.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/elf.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/esp32c3-legacy/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/esp32c3-legacy/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/esp32c3-legacy/esp_efuse_table.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/esp32c3-legacy/esp_efuse_table.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/esp32c3-legacy/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/esp32c3-legacy/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/esp32c3/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/esp32c3/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/esp32c6/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/esp32c6/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/esp32h2/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/esp32h2/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/fe310/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/fe310/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/fe310/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/fe310/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/hpm6000/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/hpm6000/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/hpm6000/hpm_irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/hpm6000/hpm_irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/hpm6000/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/hpm6000/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/hpm6750/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/hpm6750/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/hpm6750/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/hpm6750/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/inttypes.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/inttypes.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/jh7110/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/jh7110/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/jh7110/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/jh7110/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/k210/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/k210/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/k210/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/k210/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/k230/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/k230/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/k230/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/k230/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/limits.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/limits.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/litex/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/litex/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/litex/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/litex/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/mode.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/mode.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/mpfs/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/mpfs/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/mpfs/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/mpfs/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/qemu-rv/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/qemu-rv/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/qemu-rv/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/qemu-rv/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/rv32m1/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/rv32m1/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/rv32m1/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/rv32m1/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/rv32m1/rv32m1ri5cy_irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/rv32m1/rv32m1ri5cy_irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/setjmp.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/setjmp.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/sg2000/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/sg2000/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/sg2000/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/sg2000/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/spinlock.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/spinlock.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/stdarg.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/stdarg.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/syscall.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/syscall.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/thead/c9xx_csr.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/thead/c9xx_csr.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/include/types.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/include/types.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # arch/risc-v/src/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

arch/risc-v/src/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # arch/risc-v/src/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # arch/risc-v/src/bl602/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_allocateheap.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_allocateheap.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_boot2.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_boot2.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_config.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_config.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_dma.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_dma.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_dma.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_dma.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_efuse.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_efuse.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_efuse.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_efuse.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_flash.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_flash.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_flash.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_flash.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_glb.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_glb.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_glb.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_glb.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_gpio.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_gpio.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_gpio.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_gpio.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_hbn.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_hbn.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_hbn.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_hbn.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_head.S

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_head.S
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_i2c.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_i2c.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_i2c.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_i2c.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_irq.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_irq.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_irq_dispatch.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_irq_dispatch.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_lowputc.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_lowputc.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_lowputc.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_lowputc.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_netdev.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_netdev.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_netdev.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_netdev.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_oneshot_lowerhalf.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_oneshot_lowerhalf.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_oneshot_lowerhalf.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_oneshot_lowerhalf.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_os_hal.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_os_hal.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_os_hal.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_os_hal.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_pwm_lowerhalf.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_pwm_lowerhalf.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_pwm_lowerhalf.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_pwm_lowerhalf.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_romapi.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_romapi.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_rtc.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_rtc.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_rtc.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_rtc.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_rtc_lowerhalf.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_rtc_lowerhalf.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_serial.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_serial.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_spi.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_spi.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_spi.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_spi.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_spiflash.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_spiflash.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_spiflash.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_spiflash.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_start.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_start.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_systemreset.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_systemreset.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_systemreset.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_systemreset.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_tim.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_tim.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_tim.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_tim.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_tim_lowerhalf.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_tim_lowerhalf.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/risc-v/src/bl602/bl602_tim_lowerhalf.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/risc-v/src/bl602/bl602_tim_lowerhalf.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The