72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
/*
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* Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* Neither the name of ARM nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <arch.h>
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#include <debug.h>
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#include <power_tracer.h>
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#define trace_log(...) INFO("psci: " __VA_ARGS__)
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void trace_power_flow(unsigned long mpidr, unsigned char mode)
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{
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switch (mode) {
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case CPU_UP:
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trace_log("core %ld:%ld ON\n",
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(mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS,
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(mpidr & MPIDR_CPU_MASK));
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break;
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case CPU_DOWN:
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trace_log("core %ld:%ld OFF\n",
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(mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS,
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(mpidr & MPIDR_CPU_MASK));
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break;
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case CPU_SUSPEND:
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trace_log("core %ld:%ld SUSPEND\n",
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(mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS,
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(mpidr & MPIDR_CPU_MASK));
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break;
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case CLUSTER_UP:
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trace_log("cluster %ld ON\n",
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(mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS);
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break;
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case CLUSTER_DOWN:
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trace_log("cluster %ld OFF\n",
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(mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS);
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break;
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case CLUSTER_SUSPEND:
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trace_log("cluster %ld SUSPEND\n",
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(mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS);
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break;
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default:
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trace_log("unknown power mode\n");
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break;
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}
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}
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