1 /* 2 * Copyright (c) 2020-2024, Arm Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <plat/arm/common/plat_arm.h> 8 #include <plat/arm/css/common/css_pm.h> 9 #include <platform_def.h> 10 11 /****************************************************************************** 12 * The power domain tree descriptor. 13 ******************************************************************************/ 14 const unsigned char tc_pd_tree_desc[] = { 15 PLAT_ARM_CLUSTER_COUNT, 16 PLAT_MAX_CPUS_PER_CLUSTER, 17 }; 18 19 /******************************************************************************* 20 * This function returns the topology tree information. 21 ******************************************************************************/ 22 const unsigned char *plat_get_power_domain_tree_desc(void) 23 { 24 return tc_pd_tree_desc; 25 } 26 27 /******************************************************************************* 28 * The array mapping platform core position (implemented by plat_my_core_pos()) 29 * to the SCMI power domain ID implemented by SCP. 30 ******************************************************************************/ 31 const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[] = { 32 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x0)), 33 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x1)), 34 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x2)), 35 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x3)), 36 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x4)), 37 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x5)), 38 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x6)), 39 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x7)), 40 #if PLATFORM_CORE_COUNT == 14 41 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x8)), 42 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x9)), 43 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0xA)), 44 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0xB)), 45 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0xC)), 46 (SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0xD)), 47 #endif /* PLATFORM_CORE_COUNT == 14 */ 48 }; 49 50 /******************************************************************************* 51 * This function returns the core count within the cluster corresponding to 52 * `mpidr`. 53 ******************************************************************************/ 54 unsigned int plat_arm_get_cluster_core_count(u_register_t mpidr) 55 { 56 return PLAT_MAX_CPUS_PER_CLUSTER; 57 } 58 59 #if ARM_PLAT_MT 60 /****************************************************************************** 61 * Return the number of PE's supported by the CPU. 62 *****************************************************************************/ 63 unsigned int plat_arm_get_cpu_pe_count(u_register_t mpidr) 64 { 65 return PLAT_MAX_PE_PER_CPU; 66 } 67 #endif 68