1 /* 2 * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <platform_def.h> 8 9 #include <arch.h> 10 11 #include <sq_common.h> 12 13 unsigned char sq_pd_tree_desc[PLAT_CLUSTER_COUNT + 1]; 14 plat_core_pos_by_mpidr(u_register_t mpidr)15int plat_core_pos_by_mpidr(u_register_t mpidr) 16 { 17 unsigned int cluster_id, cpu_id; 18 19 cluster_id = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK; 20 if (cluster_id >= PLAT_CLUSTER_COUNT) 21 return -1; 22 23 cpu_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK; 24 if (cpu_id >= PLAT_MAX_CORES_PER_CLUSTER) 25 return -1; 26 27 return sq_calc_core_pos(mpidr); 28 } 29 plat_get_power_domain_tree_desc(void)30const unsigned char *plat_get_power_domain_tree_desc(void) 31 { 32 int i; 33 34 sq_pd_tree_desc[0] = PLAT_CLUSTER_COUNT; 35 36 for (i = 0; i < PLAT_CLUSTER_COUNT; i++) 37 sq_pd_tree_desc[i + 1] = PLAT_MAX_CORES_PER_CLUSTER; 38 39 return sq_pd_tree_desc; 40 } 41