xref: /rk3399_ARM-atf/plat/xilinx/zynqmp/plat_zynqmp.c (revision 01a326abeb1726b7756ef21a3c7188ca79a30e2e)
1c8284409SSoren Brinkmann /*
2619bc13eSMichal Simek  * Copyright (c) 2015-2018, Arm Limited and Contributors. All rights reserved.
3c8284409SSoren Brinkmann  *
482cb2c1aSdp-arm  * SPDX-License-Identifier: BSD-3-Clause
5c8284409SSoren Brinkmann  */
6c8284409SSoren Brinkmann 
709d40e0eSAntonio Nino Diaz #include <plat/common/platform.h>
809d40e0eSAntonio Nino Diaz 
9*01a326abSPrasad Kummari #include <plat_private.h>
10*01a326abSPrasad Kummari 
11ffa91031SVenkatesh Yadav Abbarapu int32_t plat_core_pos_by_mpidr(u_register_t mpidr)
12c8284409SSoren Brinkmann {
13e43258faSVenkatesh Yadav Abbarapu 	if (mpidr & MPIDR_CLUSTER_MASK) {
14c8284409SSoren Brinkmann 		return -1;
15e43258faSVenkatesh Yadav Abbarapu 	}
16c8284409SSoren Brinkmann 
17e43258faSVenkatesh Yadav Abbarapu 	if ((mpidr & MPIDR_CPU_MASK) >= PLATFORM_CORE_COUNT) {
18c8284409SSoren Brinkmann 		return -1;
19e43258faSVenkatesh Yadav Abbarapu 	}
20c8284409SSoren Brinkmann 
21bde25ae2SAntonio Nino Diaz 	return zynqmp_calc_core_pos(mpidr);
22c8284409SSoren Brinkmann }
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