blob: 15eb2ced0a4601bcfa8b8d74a9cdbe8cc4af6e80 [file] [log] [blame]
/*
* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <arch.h>
#include <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 %ld:%ld ON\n",
(mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS,
(mpidr & MPIDR_CPU_MASK));
break;
case CPU_DOWN:
trace_log("core %ld:%ld OFF\n",
(mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS,
(mpidr & MPIDR_CPU_MASK));
break;
case CPU_SUSPEND:
trace_log("core %ld:%ld SUSPEND\n",
(mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS,
(mpidr & MPIDR_CPU_MASK));
break;
case CLUSTER_UP:
trace_log("cluster %ld ON\n",
(mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS);
break;
case CLUSTER_DOWN:
trace_log("cluster %ld OFF\n",
(mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS);
break;
case CLUSTER_SUSPEND:
trace_log("cluster %ld SUSPEND\n",
(mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS);
break;
default:
trace_log("unknown power mode\n");
break;
}
}