1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/hwtracing/coresight/coresight-cfg-preload.c b/drivers/hwtracing/coresight/coresight-cfg-preload.c
new file mode 100644
index 000000000..e237a4edf
--- /dev/null
+++ b/drivers/hwtracing/coresight/coresight-cfg-preload.c
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright(C) 2020 Linaro Limited. All rights reserved.
+ * Author: Mike Leach <mike.leach@linaro.org>
+ */
+
+#include "coresight-cfg-preload.h"
+#include "coresight-config.h"
+#include "coresight-syscfg.h"
+
+/* Basic features and configurations pre-loaded on initialisation */
+
+static struct cscfg_feature_desc *preload_feats[] = {
+#if IS_ENABLED(CONFIG_CORESIGHT_SOURCE_ETM4X)
+	&strobe_etm4x,
+#endif
+	NULL
+};
+
+static struct cscfg_config_desc *preload_cfgs[] = {
+#if IS_ENABLED(CONFIG_CORESIGHT_SOURCE_ETM4X)
+	&afdo_etm4x,
+#endif
+	NULL
+};
+
+static struct cscfg_load_owner_info preload_owner = {
+	.type = CSCFG_OWNER_PRELOAD,
+};
+
+/* preload called on initialisation */
+int cscfg_preload(void *owner_handle)
+{
+	preload_owner.owner_handle = owner_handle;
+	return cscfg_load_config_sets(preload_cfgs, preload_feats, &preload_owner);
+}