1 files changed, 80 insertions, 0 deletions
diff --git a/source/hal/source/platform/simple/source/platform_drivers.c b/source/hal/source/platform/simple/source/platform_drivers.c
new file mode 100644
index 0000000..19c0057
--- /dev/null
+++ b/source/hal/source/platform/simple/source/platform_drivers.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2022 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
+ *
+ *     http://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 "platform_drivers.h"
+
+#include "uart_stdout.h"
+#include "peripheral_memmap.h"
+
+
+#include <string.h>
+
+#if defined(ARM_NPU)
+#include "ethosu_npu_init.h"
+
+#if defined(ETHOS_U_NPU_TIMING_ADAPTER_ENABLED)
+#include "ethosu_ta_init.h"
+#endif /* ETHOS_U_NPU_TIMING_ADAPTER_ENABLED */
+
+#endif /* ARM_NPU */
+
+int platform_init(void)
+{
+    SystemCoreClockUpdate();    /* From start up code */
+
+    /* UART init - will enable valid use of printf (stdout
+     * re-directed at this UART (UART0) */
+    UartStdOutInit();
+
+    info("%s: complete\n", __FUNCTION__);
+
+#if defined(ARM_NPU)
+
+    int state;
+
+    /* If the platform has timing adapter blocks along with Ethos-U core
+     * block, initialise them here. */
+#if defined(ETHOS_U_NPU_TIMING_ADAPTER_ENABLED)
+    int err;
+
+    if (0 != (err = arm_ethosu_timing_adapter_init())) {
+        return err;
+    }
+#endif /* ETHOS_U_NPU_TIMING_ADAPTER_ENABLED */
+
+    /* If Arm Ethos-U NPU is to be used, we initialise it here */
+    if (0 != (state = arm_ethosu_npu_init())) {
+        return state;
+    }
+
+#endif /* ARM_NPU */
+
+    /* Print target design info */
+    info("Target system design: %s\n", DESIGN_NAME);
+
+    return 0;
+}
+
+void platform_release(void)
+{
+    __disable_irq();
+}
+
+void platform_name(char* name, size_t size)
+{
+    strncpy(name, DESIGN_NAME, size);
+}