xref: /rk3399_ARM-atf/plat/xilinx/zynqmp/plat_zynqmp.c (revision 8c80c86573898eb59127a32b089e753f40e254fb)
1 /*
2  * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <plat_private.h>
8 #include <plat/common/platform.h>
9 
10 int plat_core_pos_by_mpidr(u_register_t mpidr)
11 {
12 	if (mpidr & MPIDR_CLUSTER_MASK)
13 		return -1;
14 
15 	if ((mpidr & MPIDR_CPU_MASK) >= PLATFORM_CORE_COUNT)
16 		return -1;
17 
18 	return zynqmp_calc_core_pos(mpidr);
19 }
20