xref: /aosp_15_r20/external/arm-trusted-firmware/plat/xilinx/versal/plat_versal.c (revision 54fd6939e177f8ff529b10183254802c76df6d08) 
1*54fd6939SJiyong Park /*
2*54fd6939SJiyong Park  * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
3*54fd6939SJiyong Park  *
4*54fd6939SJiyong Park  * SPDX-License-Identifier: BSD-3-Clause
5*54fd6939SJiyong Park  */
6*54fd6939SJiyong Park 
7*54fd6939SJiyong Park #include <plat_private.h>
8*54fd6939SJiyong Park #include <plat/common/platform.h>
9*54fd6939SJiyong Park 
plat_core_pos_by_mpidr(u_register_t mpidr)10*54fd6939SJiyong Park int plat_core_pos_by_mpidr(u_register_t mpidr)
11*54fd6939SJiyong Park {
12*54fd6939SJiyong Park 	if (mpidr & MPIDR_CLUSTER_MASK) {
13*54fd6939SJiyong Park 		return -1;
14*54fd6939SJiyong Park 	}
15*54fd6939SJiyong Park 
16*54fd6939SJiyong Park 	if ((mpidr & MPIDR_CPU_MASK) >= PLATFORM_CORE_COUNT) {
17*54fd6939SJiyong Park 		return -1;
18*54fd6939SJiyong Park 	}
19*54fd6939SJiyong Park 
20*54fd6939SJiyong Park 	return versal_calc_core_pos(mpidr);
21*54fd6939SJiyong Park }
22