1 /* 2 * Copyright (c) 2021-2025, Renesas Electronics Corporation. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <common/debug.h> 8 #include <lib/psci/psci.h> 9 #include <plat_helpers.h> 10 #include <platform_def.h> 11 12 #include "rcar_private.h" 13 14 const unsigned char *plat_get_power_domain_tree_desc(void) 15 { 16 static const unsigned char rcar_power_domain_tree_desc[] = { 17 1, 18 PLATFORM_CLUSTER_COUNT, 19 PLATFORM_CLUSTER0_CORE_COUNT, 20 PLATFORM_CLUSTER1_CORE_COUNT, 21 PLATFORM_CLUSTER2_CORE_COUNT, 22 PLATFORM_CLUSTER3_CORE_COUNT 23 }; 24 25 return rcar_power_domain_tree_desc; 26 } 27 28 int plat_core_pos_by_mpidr(u_register_t mpidr) 29 { 30 u_register_t cpu; 31 32 /* ARMv8.2 arch */ 33 if ((mpidr & (MPIDR_AFFLVL_MASK << MPIDR_AFF0_SHIFT)) != 0) 34 return -1; 35 36 cpu = plat_renesas_calc_core_pos(mpidr); 37 if (cpu >= PLATFORM_CORE_COUNT) 38 return -1; 39 40 return (int)cpu; 41 } 42 43 int32_t rcar_cluster_pos_by_mpidr(u_register_t mpidr) 44 { 45 u_register_t cluster; 46 47 /* ARMv8.2 arch */ 48 if ((mpidr & (MPIDR_AFFLVL_MASK << MPIDR_AFF0_SHIFT)) != 0) 49 return -1; 50 51 cluster = MPIDR_AFFLVL2_VAL(mpidr); 52 if (cluster >= PLATFORM_CLUSTER_COUNT) 53 return -1; 54 55 return (int32_t)cluster; 56 } 57