49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
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/*
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* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <arch.h>
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#include <common/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 %lld:%lld 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 %lld:%lld 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 %lld:%lld 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 %lld 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 %lld 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 %lld 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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