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developer550bf5e2016-07-11 16:05:23 +08001/*
2 * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * Neither the name of ARM nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include <arch.h>
32#include <platform_def.h>
33#include <psci.h>
34
35unsigned int plat_get_aff_count(unsigned int aff_lvl, unsigned long mpidr)
36{
37 /* Report 1 (absent) instance at levels higher that the cluster level */
38 if (aff_lvl > MPIDR_AFFLVL1)
39 return PLATFORM_SYSTEM_COUNT;
40
41 if (aff_lvl == MPIDR_AFFLVL1)
42 return PLATFORM_CLUSTER_COUNT;
43
44 return mpidr & 0x100 ? PLATFORM_CLUSTER1_CORE_COUNT :
45 PLATFORM_CLUSTER0_CORE_COUNT;
46}
47
48unsigned int plat_get_aff_state(unsigned int aff_lvl, unsigned long mpidr)
49{
50 return aff_lvl <= MPIDR_AFFLVL2 ? PSCI_AFF_PRESENT : PSCI_AFF_ABSENT;
51}
52
53int mt_setup_topology(void)
54{
55 /* [TODO] Make topology configurable via SCC */
56 return 0;
57}