| Benjamin Fair | 42eea87 | 2016-10-14 01:13:47 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <platform_def.h> |
| 8 | #include <psci.h> |
| 9 | |
| 10 | /* The power domain tree descriptor */ |
| 11 | static unsigned char power_domain_tree_desc[] = { |
| 12 | PLATFORM_CLUSTER_COUNT, |
| 13 | K3_CLUSTER0_CORE_COUNT, |
| 14 | #if K3_CLUSTER1_MSMC_PORT != UNUSED |
| 15 | K3_CLUSTER1_CORE_COUNT, |
| 16 | #endif /* K3_CLUSTER1_MSMC_PORT != UNUSED */ |
| 17 | #if K3_CLUSTER2_MSMC_PORT != UNUSED |
| 18 | K3_CLUSTER2_CORE_COUNT, |
| 19 | #endif /* K3_CLUSTER2_MSMC_PORT != UNUSED */ |
| 20 | #if K3_CLUSTER3_MSMC_PORT != UNUSED |
| 21 | K3_CLUSTER3_CORE_COUNT, |
| 22 | #endif /* K3_CLUSTER3_MSMC_PORT != UNUSED */ |
| 23 | }; |
| 24 | |
| 25 | const unsigned char *plat_get_power_domain_tree_desc(void) |
| 26 | { |
| 27 | return power_domain_tree_desc; |
| 28 | } |
| 29 | |
| 30 | int plat_core_pos_by_mpidr(u_register_t mpidr) |
| 31 | { |
| 32 | unsigned int cpu_id; |
| 33 | |
| 34 | mpidr &= MPIDR_AFFINITY_MASK; |
| 35 | |
| 36 | if (mpidr & ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)) |
| 37 | return -1; |
| 38 | |
| 39 | cpu_id = MPIDR_AFFLVL0_VAL(mpidr); |
| 40 | |
| 41 | switch (MPIDR_AFFLVL1_VAL(mpidr)) { |
| 42 | case K3_CLUSTER0_MSMC_PORT: |
| 43 | if (cpu_id < K3_CLUSTER0_CORE_COUNT) |
| 44 | return cpu_id; |
| 45 | return -1; |
| 46 | #if K3_CLUSTER1_MSMC_PORT != UNUSED |
| 47 | case K3_CLUSTER1_MSMC_PORT: |
| 48 | if (cpu_id < K3_CLUSTER1_CORE_COUNT) |
| 49 | return K3_CLUSTER0_CORE_COUNT + cpu_id; |
| 50 | return -1; |
| 51 | #endif /* K3_CLUSTER1_MSMC_PORT != UNUSED */ |
| 52 | #if K3_CLUSTER2_MSMC_PORT != UNUSED |
| 53 | case K3_CLUSTER2_MSMC_PORT: |
| 54 | if (cpu_id < K3_CLUSTER2_CORE_COUNT) |
| 55 | return K3_CLUSTER0_CORE_COUNT + |
| 56 | K3_CLUSTER1_CORE_COUNT + cpu_id; |
| 57 | return -1; |
| 58 | #endif /* K3_CLUSTER2_MSMC_PORT != UNUSED */ |
| 59 | #if K3_CLUSTER3_MSMC_PORT != UNUSED |
| 60 | case K3_CLUSTER3_MSMC_PORT: |
| 61 | if (cpu_id < K3_CLUSTER3_CORE_COUNT) |
| 62 | return K3_CLUSTER0_CORE_COUNT + |
| 63 | K3_CLUSTER1_CORE_COUNT + |
| 64 | K3_CLUSTER2_CORE_COUNT + cpu_id; |
| 65 | return -1; |
| 66 | #endif /* K3_CLUSTER3_MSMC_PORT != UNUSED */ |
| 67 | default: |
| 68 | return -1; |
| 69 | } |
| 70 | } |