1 /* 2 * Copyright 2022-2023 NXP 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <arch.h> 8 #include <arch_helpers.h> 9 #include <plat/common/platform.h> 10 11 const unsigned char imx_power_domain_tree_desc[] = { 12 PWR_DOMAIN_AT_MAX_LVL, 13 PLATFORM_CLUSTER_COUNT, 14 PLATFORM_CLUSTER0_CORE_COUNT, 15 }; 16 plat_get_power_domain_tree_desc(void)17const unsigned char *plat_get_power_domain_tree_desc(void) 18 { 19 return imx_power_domain_tree_desc; 20 } 21 22 /* 23 * Only one cluster is planned for i.MX9 family, no need 24 * to consider the cluster id 25 */ plat_core_pos_by_mpidr(u_register_t mpidr)26int plat_core_pos_by_mpidr(u_register_t mpidr) 27 { 28 unsigned int cpu_id; 29 30 mpidr &= MPIDR_AFFINITY_MASK; 31 32 if (mpidr & ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)) { 33 return -1; 34 } 35 36 cpu_id = MPIDR_AFFLVL1_VAL(mpidr); 37 38 return cpu_id; 39 } 40