Add mpu driver and remove interface library

from drivers

Add mpu driver for upstreaming

After removing of interface library,targets and applications
will list explicitly which libraries to link

Change-Id: Icfa449a2981093161f283e45b4d52ca6199371b8

3 files changed, 92 insertions, 0 deletions

diff --git a/drivers/mhu_dummy/CMakeLists.txt b/drivers/mhu_dummy/CMakeLists.txt
new file mode 100644
index 0000000..fca7d5b
--- /dev/null
+++ b/drivers/mhu_dummy/CMakeLists.txt
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2020-2021 Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+# Licensed under the Apache License, Version 2.0 (the License); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an AS IS BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+add_library(ethosu_mhu_dummy STATIC)
+target_include_directories(ethosu_mhu_dummy PUBLIC include)
+
+target_sources(ethosu_mhu_dummy PRIVATE src/mhu_dummy.cpp)
+target_link_libraries(ethosu_mhu_dummy PRIVATE ethosu_mailbox)
diff --git a/drivers/mhu_dummy/include/mhu_dummy.hpp b/drivers/mhu_dummy/include/mhu_dummy.hpp
new file mode 100644
index 0000000..d04fe1c
--- /dev/null
+++ b/drivers/mhu_dummy/include/mhu_dummy.hpp
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2020-2021 Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MHU_DUMMY_HPP
+#define MHU_DUMMY_HPP
+
+#include <mailbox.hpp>
+
+namespace Mailbox {
+
+class MHUDummy : public Mailbox {
+public:
+    MHUDummy();
+    virtual ~MHUDummy();
+    virtual bool sendMessage() final;
+    virtual void handleMessage() final;
+};
+
+} // namespace Mailbox
+
+#endif /* #ifndef MHU_DUMMY_HPP */
diff --git a/drivers/mhu_dummy/src/mhu_dummy.cpp b/drivers/mhu_dummy/src/mhu_dummy.cpp
new file mode 100644
index 0000000..3ae51e7
--- /dev/null
+++ b/drivers/mhu_dummy/src/mhu_dummy.cpp
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2020-2021 Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <mhu_dummy.hpp>
+
+namespace Mailbox {
+
+MHUDummy::MHUDummy() {}
+MHUDummy::~MHUDummy() {}
+
+void MHUDummy::handleMessage() {
+    notify();
+}
+bool MHUDummy::sendMessage() {
+    return true;
+}
+
+} // namespace Mailbox