1 files changed, 86 insertions, 0 deletions
diff --git a/source/hal/components/ethosu_ta_init/ethosu_ta_init.c b/source/hal/components/ethosu_ta_init/ethosu_ta_init.c
new file mode 100644
index 0000000..26eeb5c
--- /dev/null
+++ b/source/hal/components/ethosu_ta_init/ethosu_ta_init.c
@@ -0,0 +1,86 @@
+/*
+ * 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 "ethosu_ta_init.h"
+
+#include "log_macros.h"                 /* Logging functions */
+
+#if defined(TIMING_ADAPTER_AVAILABLE)
+
+#include "timing_adapter.h"             /* Arm Ethos-U timing adapter driver header */
+#include "timing_adapter_settings.h"    /* Arm Ethos-U timing adapter settings */
+
+int arm_ethosu_timing_adapter_init(void)
+{
+#if defined(TA0_BASE)
+    struct timing_adapter ta_0;
+    struct timing_adapter_settings ta_0_settings = {
+        .maxr = TA0_MAXR,
+        .maxw = TA0_MAXW,
+        .maxrw = TA0_MAXRW,
+        .rlatency = TA0_RLATENCY,
+        .wlatency = TA0_WLATENCY,
+        .pulse_on = TA0_PULSE_ON,
+        .pulse_off = TA0_PULSE_OFF,
+        .bwcap = TA0_BWCAP,
+        .perfctrl = TA0_PERFCTRL,
+        .perfcnt = TA0_PERFCNT,
+        .mode = TA0_MODE,
+        .maxpending = 0, /* This is a read-only parameter */
+        .histbin = TA0_HISTBIN,
+        .histcnt = TA0_HISTCNT};
+
+    if (0 != ta_init(&ta_0, TA0_BASE))
+    {
+        printf_err("TA0 initialisation failed\n");
+        return 1;
+    }
+
+    ta_set_all(&ta_0, &ta_0_settings);
+#endif /* defined (TA0_BASE) */
+
+#if defined(TA1_BASE)
+    struct timing_adapter ta_1;
+    struct timing_adapter_settings ta_1_settings = {
+        .maxr = TA1_MAXR,
+        .maxw = TA1_MAXW,
+        .maxrw = TA1_MAXRW,
+        .rlatency = TA1_RLATENCY,
+        .wlatency = TA1_WLATENCY,
+        .pulse_on = TA1_PULSE_ON,
+        .pulse_off = TA1_PULSE_OFF,
+        .bwcap = TA1_BWCAP,
+        .perfctrl = TA1_PERFCTRL,
+        .perfcnt = TA1_PERFCNT,
+        .mode = TA1_MODE,
+        .maxpending = 0, /* This is a read-only parameter */
+        .histbin = TA1_HISTBIN,
+        .histcnt = TA1_HISTCNT};
+
+    if (0 != ta_init(&ta_1, TA1_BASE))
+    {
+        printf_err("TA1 initialisation failed\n");
+        return 1;
+    }
+
+    ta_set_all(&ta_1, &ta_1_settings);
+#endif /* defined (TA1_BASE) */
+
+    return 0;
+}
+
+#endif /* TIMING_ADAPTER_AVAILABLE */