xref: /arm-trusted-firmware/plat/arm/board/rde1edge/rde1edge_topology.c (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2019-2020, ARM Limited and Contributors. All rights reserved.
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  */
6*91f16700Schasinglulu 
7*91f16700Schasinglulu #include <plat/arm/common/plat_arm.h>
8*91f16700Schasinglulu 
9*91f16700Schasinglulu /******************************************************************************
10*91f16700Schasinglulu  * The power domain tree descriptor. RD-E1-Edge platform consists of two
11*91f16700Schasinglulu  * clusters with eight CPUs in each cluster. The CPUs are multi-threaded with
12*91f16700Schasinglulu  * two threads per CPU.
13*91f16700Schasinglulu  ******************************************************************************/
14*91f16700Schasinglulu static const unsigned char rde1edge_pd_tree_desc[] = {
15*91f16700Schasinglulu 	CSS_SGI_CHIP_COUNT,
16*91f16700Schasinglulu 	PLAT_ARM_CLUSTER_COUNT,
17*91f16700Schasinglulu 	CSS_SGI_MAX_CPUS_PER_CLUSTER * CSS_SGI_MAX_PE_PER_CPU,
18*91f16700Schasinglulu 	CSS_SGI_MAX_CPUS_PER_CLUSTER * CSS_SGI_MAX_PE_PER_CPU
19*91f16700Schasinglulu };
20*91f16700Schasinglulu 
21*91f16700Schasinglulu /******************************************************************************
22*91f16700Schasinglulu  * This function returns the topology tree information.
23*91f16700Schasinglulu  ******************************************************************************/
24*91f16700Schasinglulu const unsigned char *plat_get_power_domain_tree_desc(void)
25*91f16700Schasinglulu {
26*91f16700Schasinglulu 	return rde1edge_pd_tree_desc;
27*91f16700Schasinglulu }
28*91f16700Schasinglulu 
29*91f16700Schasinglulu /*******************************************************************************
30*91f16700Schasinglulu  * The array mapping platform core position (implemented by plat_my_core_pos())
31*91f16700Schasinglulu  * to the SCMI power domain ID implemented by SCP.
32*91f16700Schasinglulu  ******************************************************************************/
33*91f16700Schasinglulu const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[] = {
34*91f16700Schasinglulu 	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
35*91f16700Schasinglulu 	16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
36*91f16700Schasinglulu };
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