1 /*
2 * Copyright (c) 2024, Rockchip, Inc. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7 #include <assert.h>
8 #include <string.h>
9
10 #include <platform_def.h>
11
12 #include <drivers/scmi-msg.h>
13 #include <drivers/scmi.h>
14 #include <lib/utils.h>
15 #include <lib/utils_def.h>
16
17 #define MAX_PROTOCOL_IN_LIST 8U
18
19 static const char vendor[] = "rockchip";
20 static const char sub_vendor[] = "";
21
22 #pragma weak rockchip_scmi_protocol_table
23
24 const uint8_t rockchip_scmi_protocol_table[1][MAX_PROTOCOL_IN_LIST] = {
25 {
26 SCMI_PROTOCOL_ID_CLOCK,
27 SCMI_PROTOCOL_ID_RESET_DOMAIN,
28 0
29 }
30 };
31
plat_scmi_vendor_name(void)32 const char *plat_scmi_vendor_name(void)
33 {
34 return vendor;
35 }
36
plat_scmi_sub_vendor_name(void)37 const char *plat_scmi_sub_vendor_name(void)
38 {
39 return sub_vendor;
40 }
41
plat_scmi_protocol_count(void)42 size_t plat_scmi_protocol_count(void)
43 {
44 unsigned int count = 0U;
45 const uint8_t *protocol_list = rockchip_scmi_protocol_table[0];
46
47 while (protocol_list[count])
48 count++;
49
50 return count;
51 }
52
plat_scmi_protocol_list(unsigned int agent_id)53 const uint8_t *plat_scmi_protocol_list(unsigned int agent_id)
54 {
55 assert(agent_id < ARRAY_SIZE(rockchip_scmi_protocol_table));
56
57 return rockchip_scmi_protocol_table[agent_id];
58 }
59
60 static struct scmi_msg_channel scmi_channel[] = {
61 [0] = {
62 .shm_addr = SMT_BUFFER0_BASE,
63 .shm_size = SMT_BUF_SLOT_SIZE,
64 },
65
66 #ifdef SMT_BUFFER1_BASE
67 [1] = {
68 .shm_addr = SMT_BUFFER1_BASE,
69 .shm_size = SMT_BUF_SLOT_SIZE,
70 },
71 #endif
72 };
73
plat_scmi_get_channel(unsigned int agent_id)74 struct scmi_msg_channel *plat_scmi_get_channel(unsigned int agent_id)
75 {
76 assert(agent_id < ARRAY_SIZE(scmi_channel));
77
78 return &scmi_channel[agent_id];
79 }
80
81 #pragma weak rockchip_init_scmi_server
82
rockchip_init_scmi_server(void)83 void rockchip_init_scmi_server(void)
84 {
85 size_t i;
86
87 for (i = 0U; i < ARRAY_SIZE(scmi_channel); i++)
88 scmi_smt_init_agent_channel(&scmi_channel[i]);
89 }
90