Jorge Ramirez-Ortiz | 7e532c4 | 2018-09-23 09:36:13 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2018, Renesas Electronics Corporation. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
Jorge Ramirez-Ortiz | 7e532c4 | 2018-09-23 09:36:13 +0200 | [diff] [blame] | 7 | #include <platform_def.h> |
Antonio Nino Diaz | 09d40e0 | 2018-12-14 00:18:21 +0000 | [diff] [blame] | 8 | |
| 9 | #include <common/debug.h> |
| 10 | #include <lib/psci/psci.h> |
Jorge Ramirez-Ortiz | 7e532c4 | 2018-09-23 09:36:13 +0200 | [diff] [blame] | 11 | |
| 12 | static const unsigned char rcar_power_domain_tree_desc[] = { |
| 13 | 1, |
| 14 | PLATFORM_CLUSTER_COUNT, |
| 15 | PLATFORM_CLUSTER0_CORE_COUNT, |
| 16 | PLATFORM_CLUSTER1_CORE_COUNT |
| 17 | }; |
| 18 | |
| 19 | const unsigned char *plat_get_power_domain_tree_desc(void) |
| 20 | { |
| 21 | return rcar_power_domain_tree_desc; |
| 22 | } |
| 23 | |
| 24 | int plat_core_pos_by_mpidr(u_register_t mpidr) |
| 25 | { |
| 26 | unsigned int cluster_id, cpu_id; |
| 27 | |
| 28 | mpidr &= MPIDR_AFFINITY_MASK; |
| 29 | |
| 30 | if (mpidr & ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)) |
| 31 | return -1; |
| 32 | |
| 33 | cluster_id = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK; |
| 34 | cpu_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK; |
| 35 | |
| 36 | if (cluster_id >= PLATFORM_CLUSTER_COUNT) |
| 37 | return -1; |
| 38 | |
| 39 | if (cluster_id == 0 && cpu_id >= PLATFORM_CLUSTER0_CORE_COUNT) |
| 40 | return -1; |
| 41 | |
| 42 | if (cluster_id == 1 && cpu_id >= PLATFORM_CLUSTER1_CORE_COUNT) |
| 43 | return -1; |
| 44 | |
| 45 | return (cpu_id + cluster_id * PLATFORM_CLUSTER0_CORE_COUNT); |
| 46 | } |
| 47 | |