1 /*
2  * Copyright (c) 2020-2021, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <plat/arm/common/plat_arm.h>
8 #include <plat/arm/css/common/css_pm.h>
9 
10 /******************************************************************************
11  * The power domain tree descriptor.
12  ******************************************************************************/
13 const unsigned char rd_n2_pd_tree_desc[] = {
14 	(PLAT_ARM_CLUSTER_COUNT) * (CSS_SGI_CHIP_COUNT),
15 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
16 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
17 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
18 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
19 #if (CSS_SGI_PLATFORM_VARIANT != 2 || (CSS_SGI_PLATFORM_VARIANT == 2 && CSS_SGI_CHIP_COUNT > 1))
20 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
21 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
22 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
23 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
24 #endif
25 #if (CSS_SGI_PLATFORM_VARIANT == 0 || (CSS_SGI_PLATFORM_VARIANT == 2 && CSS_SGI_CHIP_COUNT > 2))
26 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
27 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
28 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
29 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
30 #endif
31 #if (CSS_SGI_PLATFORM_VARIANT == 0 || (CSS_SGI_PLATFORM_VARIANT == 2 && CSS_SGI_CHIP_COUNT > 3))
32 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
33 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
34 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
35 	CSS_SGI_MAX_CPUS_PER_CLUSTER,
36 #endif
37 };
38 
39 /*******************************************************************************
40  * This function returns the topology tree information.
41  ******************************************************************************/
plat_get_power_domain_tree_desc(void)42 const unsigned char *plat_get_power_domain_tree_desc(void)
43 {
44 	return rd_n2_pd_tree_desc;
45 }
46 
47 /*******************************************************************************
48  * The array mapping platform core position (implemented by plat_my_core_pos())
49  * to the SCMI power domain ID implemented by SCP.
50  ******************************************************************************/
51 #if (CSS_SGI_PLATFORM_VARIANT == 2)
52 const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[] = {
53 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x0)),
54 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x1)),
55 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x2)),
56 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x3)),
57 #if (CSS_SGI_CHIP_COUNT > 1)
58 	(SET_SCMI_CHANNEL_ID(0x1) | SET_SCMI_DOMAIN_ID(0x0)),
59 	(SET_SCMI_CHANNEL_ID(0x1) | SET_SCMI_DOMAIN_ID(0x1)),
60 	(SET_SCMI_CHANNEL_ID(0x1) | SET_SCMI_DOMAIN_ID(0x2)),
61 	(SET_SCMI_CHANNEL_ID(0x1) | SET_SCMI_DOMAIN_ID(0x3)),
62 #endif
63 #if (CSS_SGI_CHIP_COUNT > 2)
64 	(SET_SCMI_CHANNEL_ID(0x2) | SET_SCMI_DOMAIN_ID(0x0)),
65 	(SET_SCMI_CHANNEL_ID(0x2) | SET_SCMI_DOMAIN_ID(0x1)),
66 	(SET_SCMI_CHANNEL_ID(0x2) | SET_SCMI_DOMAIN_ID(0x2)),
67 	(SET_SCMI_CHANNEL_ID(0x2) | SET_SCMI_DOMAIN_ID(0x3)),
68 #endif
69 #if (CSS_SGI_CHIP_COUNT > 3)
70 	(SET_SCMI_CHANNEL_ID(0x3) | SET_SCMI_DOMAIN_ID(0x0)),
71 	(SET_SCMI_CHANNEL_ID(0x3) | SET_SCMI_DOMAIN_ID(0x1)),
72 	(SET_SCMI_CHANNEL_ID(0x3) | SET_SCMI_DOMAIN_ID(0x2)),
73 	(SET_SCMI_CHANNEL_ID(0x3) | SET_SCMI_DOMAIN_ID(0x3)),
74 #endif
75 };
76 #else
77 const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[] = {
78 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x0)),
79 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x1)),
80 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x2)),
81 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x3)),
82 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x4)),
83 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x5)),
84 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x6)),
85 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x7)),
86 #if (CSS_SGI_PLATFORM_VARIANT == 0)
87 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x8)),
88 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0x9)),
89 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0xA)),
90 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0xB)),
91 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0xC)),
92 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0xD)),
93 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0xE)),
94 	(SET_SCMI_CHANNEL_ID(0x0) | SET_SCMI_DOMAIN_ID(0xF)),
95 #endif
96 };
97 #endif
98