1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu #include <arch.h> 8*91f16700Schasinglulu #include <common/debug.h> 9*91f16700Schasinglulu 10*91f16700Schasinglulu #include <power_tracer.h> 11*91f16700Schasinglulu 12*91f16700Schasinglulu #define trace_log(...) INFO("psci: " __VA_ARGS__) 13*91f16700Schasinglulu 14*91f16700Schasinglulu void trace_power_flow(unsigned long mpidr, unsigned char mode) 15*91f16700Schasinglulu { 16*91f16700Schasinglulu switch (mode) { 17*91f16700Schasinglulu case CPU_UP: 18*91f16700Schasinglulu trace_log("core %lld:%lld ON\n", 19*91f16700Schasinglulu (mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS, 20*91f16700Schasinglulu (mpidr & MPIDR_CPU_MASK)); 21*91f16700Schasinglulu break; 22*91f16700Schasinglulu case CPU_DOWN: 23*91f16700Schasinglulu trace_log("core %lld:%lld OFF\n", 24*91f16700Schasinglulu (mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS, 25*91f16700Schasinglulu (mpidr & MPIDR_CPU_MASK)); 26*91f16700Schasinglulu break; 27*91f16700Schasinglulu case CPU_SUSPEND: 28*91f16700Schasinglulu trace_log("core %lld:%lld SUSPEND\n", 29*91f16700Schasinglulu (mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS, 30*91f16700Schasinglulu (mpidr & MPIDR_CPU_MASK)); 31*91f16700Schasinglulu break; 32*91f16700Schasinglulu case CLUSTER_UP: 33*91f16700Schasinglulu trace_log("cluster %lld ON\n", 34*91f16700Schasinglulu (mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS); 35*91f16700Schasinglulu break; 36*91f16700Schasinglulu case CLUSTER_DOWN: 37*91f16700Schasinglulu trace_log("cluster %lld OFF\n", 38*91f16700Schasinglulu (mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS); 39*91f16700Schasinglulu break; 40*91f16700Schasinglulu case CLUSTER_SUSPEND: 41*91f16700Schasinglulu trace_log("cluster %lld SUSPEND\n", 42*91f16700Schasinglulu (mpidr & MPIDR_CLUSTER_MASK) >> MPIDR_AFFINITY_BITS); 43*91f16700Schasinglulu break; 44*91f16700Schasinglulu default: 45*91f16700Schasinglulu trace_log("unknown power mode\n"); 46*91f16700Schasinglulu break; 47*91f16700Schasinglulu } 48*91f16700Schasinglulu } 49