diff options
Diffstat (limited to 'plat/nvidia/tegra/common/tegra_topology.c')
| -rw-r--r-- | plat/nvidia/tegra/common/tegra_topology.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/plat/nvidia/tegra/common/tegra_topology.c b/plat/nvidia/tegra/common/tegra_topology.c deleted file mode 100644 index 205b05165..000000000 --- a/plat/nvidia/tegra/common/tegra_topology.c +++ /dev/null @@ -1,48 +0,0 @@ -/* - * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved. - * - * SPDX-License-Identifier: BSD-3-Clause - */ - -#include <platform_def.h> - -#include <arch.h> -#include <lib/psci/psci.h> -#include <plat/common/platform.h> - -#pragma weak plat_core_pos_by_mpidr - -/******************************************************************************* - * This function implements a part of the critical interface between the psci - * generic layer and the platform that allows the former to query the platform - * to convert an MPIDR to a unique linear index. An error code (-1) is returned - * in case the MPIDR is invalid. - ******************************************************************************/ -int32_t plat_core_pos_by_mpidr(u_register_t mpidr) -{ - u_register_t cluster_id, cpu_id; - int32_t result; - - cluster_id = (mpidr >> (u_register_t)MPIDR_AFF1_SHIFT) & - (u_register_t)MPIDR_AFFLVL_MASK; - cpu_id = (mpidr >> (u_register_t)MPIDR_AFF0_SHIFT) & - (u_register_t)MPIDR_AFFLVL_MASK; - - /* CorePos = CoreId + (ClusterId * cpus per cluster) */ - result = (int32_t)cpu_id + ((int32_t)cluster_id * - PLATFORM_MAX_CPUS_PER_CLUSTER); - - if (cluster_id >= (u_register_t)PLATFORM_CLUSTER_COUNT) { - result = PSCI_E_NOT_PRESENT; - } - - /* - * Validate cpu_id by checking whether it represents a CPU in - * one of the two clusters present on the platform. - */ - if (cpu_id >= (u_register_t)PLATFORM_MAX_CPUS_PER_CLUSTER) { - result = PSCI_E_NOT_PRESENT; - } - - return result; -} |