| Masahiro Yamada | 574388c | 2016-09-03 11:37:40 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #include <asm_macros.S> |
| 8 | #include <platform_def.h> |
| 9 | |
| 10 | .global uniphier_calc_core_pos |
| 11 | .global plat_my_core_pos |
| 12 | .globl platform_mem_init |
| 13 | |
| 14 | /* |
| 15 | * unsigned int uniphier_calc_core_pos(u_register_t mpidr) |
| 16 | * core_pos = (cluster_id * max_cpus_per_cluster) + core_id |
| 17 | */ |
| 18 | func uniphier_calc_core_pos |
| 19 | and x1, x0, #MPIDR_CPU_MASK |
| 20 | and x0, x0, #MPIDR_CLUSTER_MASK |
| 21 | lsr x0, x0, #MPIDR_AFFINITY_BITS |
| 22 | mov x2, #UNIPHIER_MAX_CPUS_PER_CLUSTER |
| 23 | madd x0, x0, x2, x1 |
| 24 | ret |
| 25 | endfunc uniphier_calc_core_pos |
| 26 | |
| 27 | func plat_my_core_pos |
| 28 | mrs x0, mpidr_el1 |
| 29 | b uniphier_calc_core_pos |
| 30 | endfunc plat_my_core_pos |
| 31 | |
| 32 | func platform_mem_init |
| 33 | ret |
| 34 | endfunc platform_mem_init |