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Diffstat (limited to '')
| -rw-r--r-- | plat/mediatek/mt8173/power_tracer.c | 48 |
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; + } +} |