1 /* 2 * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <arch.h> 8 #include <platform.h> 9 10 #include "uniphier.h" 11 12 static unsigned char uniphier_power_domain_tree_desc[UNIPHIER_CLUSTER_COUNT + 1]; 13 14 const unsigned char *plat_get_power_domain_tree_desc(void) 15 { 16 int i; 17 18 uniphier_power_domain_tree_desc[0] = UNIPHIER_CLUSTER_COUNT; 19 20 for (i = 0; i < UNIPHIER_CLUSTER_COUNT; i++) 21 uniphier_power_domain_tree_desc[i + 1] = 22 UNIPHIER_MAX_CPUS_PER_CLUSTER; 23 24 return uniphier_power_domain_tree_desc; 25 } 26 27 int plat_core_pos_by_mpidr(u_register_t mpidr) 28 { 29 unsigned int cluster_id, cpu_id; 30 31 cluster_id = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK; 32 if (cluster_id >= UNIPHIER_CLUSTER_COUNT) 33 return -1; 34 35 cpu_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK; 36 if (cpu_id >= UNIPHIER_MAX_CPUS_PER_CLUSTER) 37 return -1; 38 39 return uniphier_calc_core_pos(mpidr); 40 } 41
