Adding upstream version 2.8.0+dfsg.upstream/2.8.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 48 insertions, 0 deletions

diff --git a/plat/mediatek/mt8173/power_tracer.c b/plat/mediatek/mt8173/power_tracer.c
new file mode 100644
index 0000000..d1fcf9f
--- /dev/null
+++ b/plat/mediatek/mt8173/power_tracer.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <common/debug.h>
+
+#include <power_tracer.h>
+
+#define trace_log(...)  INFO("psci: " __VA_ARGS__)
+
+void trace_power_flow(unsigned long mpidr, unsigned char mode)
+{
+	switch (mode) {
+	case CPU_UP:
+		trace_log("core %lld:%lld ON\n",
+			  (mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS,
+			  (mpidr & MPIDR_CPU_MASK));
+		break;
+	case CPU_DOWN:
+		trace_log("core %lld:%lld OFF\n",
+			  (mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS,
+			  (mpidr & MPIDR_CPU_MASK));
+		break;
+	case CPU_SUSPEND:
+		trace_log("core %lld:%lld SUSPEND\n",
+			  (mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS,
+			  (mpidr & MPIDR_CPU_MASK));
+		break;
+	case CLUSTER_UP:
+		trace_log("cluster %lld ON\n",
+			  (mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS);
+		break;
+	case CLUSTER_DOWN:
+		trace_log("cluster %lld OFF\n",
+			  (mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS);
+		break;
+	case CLUSTER_SUSPEND:
+		trace_log("cluster %lld SUSPEND\n",
+			  (mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS);
+		break;
+	default:
+		trace_log("unknown power mode\n");
+		break;
+	}
+}