xref: /rk3399_ARM-atf/plat/xilinx/zynqmp/plat_zynqmp.c (revision 31c3842ee86e5e98a1f441e1373906954dbcdf9f)
1c8284409SSoren Brinkmann /*
2bde25ae2SAntonio Nino Diaz  * 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 
7*31c3842eSJolly Shah #include <plat_private.h>
809d40e0eSAntonio Nino Diaz #include <plat/common/platform.h>
909d40e0eSAntonio Nino Diaz 
10c8284409SSoren Brinkmann int plat_core_pos_by_mpidr(u_register_t mpidr)
11c8284409SSoren Brinkmann {
12c8284409SSoren Brinkmann 	if (mpidr & MPIDR_CLUSTER_MASK)
13c8284409SSoren Brinkmann 		return -1;
14c8284409SSoren Brinkmann 
15c8284409SSoren Brinkmann 	if ((mpidr & MPIDR_CPU_MASK) >= PLATFORM_CORE_COUNT)
16c8284409SSoren Brinkmann 		return -1;
17c8284409SSoren Brinkmann 
18bde25ae2SAntonio Nino Diaz 	return zynqmp_calc_core_pos(mpidr);
19c8284409SSoren Brinkmann }
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