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arm-trusted-firmware / plat / mediatek / mt6795 / power_tracer.c
@Antonio Nino Diaz Antonio Nino Diaz on 4 Jan 2019 1 KB Sanitise includes across codebase
/*
 * Copyright (c) 2016, 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;
	}
}