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Diffstat (limited to 'plat/layerscape/common/ls_topology.c')
-rw-r--r-- | plat/layerscape/common/ls_topology.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/plat/layerscape/common/ls_topology.c b/plat/layerscape/common/ls_topology.c deleted file mode 100644 index 5b76087dee..0000000000 --- a/plat/layerscape/common/ls_topology.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. - * - * SPDX-License-Identifier: BSD-3-Clause - */ - -#include "plat_ls.h" - -/******************************************************************************* - * This function validates an MPIDR by checking whether it falls within the - * acceptable bounds. An error code (-1) is returned if an incorrect mpidr - * is passed. - ******************************************************************************/ -int ls_check_mpidr(u_register_t mpidr) -{ - unsigned int cluster_id, cpu_id; - uint64_t valid_mask; - - valid_mask = ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK); - cluster_id = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK; - cpu_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK; - - mpidr &= MPIDR_AFFINITY_MASK; - if (mpidr & valid_mask) - return -1; - - if (cluster_id >= PLAT_LS_CLUSTER_COUNT) - return -1; - - /* - * Validate cpu_id by checking whether it represents a CPU in - * one of the two clusters present on the platform. - */ - if (cpu_id >= plat_ls_get_cluster_core_count(mpidr)) - return -1; - - - return 0; -} |