From 7427cee2cfa6320972d203a85e3aab9ce58ee4b0 Mon Sep 17 00:00:00 2001
From: Alin Jerpelea <alin.jerpelea@sony.com>
Date: Wed, 26 Jun 2019 11:48:01 +0000
Subject: [PATCH] Merged in alinjerpelea/nuttx (pull request #916)

configs: spresense: Enable UID functionality

To enable the UID functionality for spresense board
set BOARDCTL_UNIQUEID in menuconfig

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

Approved-by: Gregory Nutt <gnutt@nuttx.org>
---
 configs/spresense/src/Makefile    |  4 +++
 configs/spresense/src/cxd56_uid.c | 59 +++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 configs/spresense/src/cxd56_uid.c

diff --git a/configs/spresense/src/Makefile b/configs/spresense/src/Makefile
index 97eb902809..1485c2ec15 100644
--- a/configs/spresense/src/Makefile
+++ b/configs/spresense/src/Makefile
@@ -52,6 +52,10 @@ ifeq ($(CONFIG_BOARDCTL_IOCTL),y)
 CSRCS += cxd56_ioctl.c
 endif
 
+ifeq ($(CONFIG_BOARDCTL_UNIQUEID),y)
+CSRCS += cxd56_uid.c
+endif
+
 ifeq ($(CONFIG_ARCH_FPU),y)
 CSRCS += cxd56_ostest.c
 endif
diff --git a/configs/spresense/src/cxd56_uid.c b/configs/spresense/src/cxd56_uid.c
new file mode 100644
index 0000000000..c974608b0c
--- /dev/null
+++ b/configs/spresense/src/cxd56_uid.c
@@ -0,0 +1,59 @@
+/****************************************************************************
+ * configs/spresense/src/cxd56_uid.c
+ *
+ *   Copyright 2018 Sony Semiconductor Solutions Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name of Sony Semiconductor Solutions Corporation nor
+ *    the names of its contributors may be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdio.h>
+#include <errno.h>
+#include "cxd56_uid.h"
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+int board_uniqueid(uint8_t *uniqueid)
+{
+  if (uniqueid == NULL)
+    {
+      return -EINVAL;
+    }
+
+  cxd56_get_uniqueid(uniqueid);
+  return OK;
+}