1 /*
2 * K3 SoC detection and helper apis
3 *
4 * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
5 * Lokesh Vutla <lokeshvutla@ti.com>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the
17 * distribution.
18 *
19 * Neither the name of Texas Instruments Incorporated nor the names of
20 * its contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 */
36 #include <socinfo.h>
37 #include <mmio.h>
38 #include <string.h>
39 #include <sec_proxy.h>
40 #include <soc/am65x/am65x_host_info.h>
41 #include <soc/am65x/am65x_sec_proxy_info.h>
42 #include <soc/am65x/am65x_processors_info.h>
43 #include <soc/am65x/am65x_devices_info.h>
44 #include <soc/am65x/am65x_clocks_info.h>
45 #include <soc/am65x_sr2/am65x_sr2_host_info.h>
46 #include <soc/am65x_sr2/am65x_sr2_sec_proxy_info.h>
47 #include <soc/j721e/j721e_host_info.h>
48 #include <soc/j721e/j721e_sec_proxy_info.h>
49 #include <soc/j721e/j721e_processors_info.h>
50 #include <soc/j721e/j721e_devices_info.h>
51 #include <soc/j721e/j721e_clocks_info.h>
53 /* Assuming these addresses and definitions stay common across K3 devices */
54 #define CTRLMMR_WKUP_JTAG_DEVICE_ID 0x43000018
55 #define DEVICE_ID_FAMILY_SHIFT 26
56 #define DEVICE_ID_FAMILY_MASK (0x3f << 26)
57 #define DEVICE_ID_BASE_SHIFT 11
58 #define DEVICE_ID_BASE_MASK (0x1fff << 11)
59 #define DEVICE_ID_SPEED_SHIFT 6
60 #define DEVICE_ID_SPEED_MASK (0x1f << 6)
61 #define DEVICE_ID_TEMP_SHIFT 3
62 #define DEVICE_ID_TEMP_MASK (0x7 << 3)
64 #define CTRLMMR_WKUP_JTAG_ID 0x43000014
65 #define JTAG_ID_VARIANT_SHIFT 28
66 #define JTAG_ID_VARIANT_MASK (0xf << 28)
67 #define JTAG_ID_PARTNO_SHIFT 12
68 #define JTAG_ID_PARTNO_MASK (0x7ff << 1)
70 #define CTRLMMR_WKUP_DIE_ID0 0x43000020
71 #define CTRLMMR_WKUP_DIE_ID1 0x43000024
72 #define CTRLMMR_WKUP_DIE_ID2 0x43000028
73 #define CTRLMMR_WKUP_DIE_ID3 0x4300002c
74 #define CTRLMMR_WKUP_DEVSTAT 0x43000030
75 #define CTRLMMR_WKUP_BOOTCFG 0x43000034
77 struct k3conf_soc_info soc_info;
79 static const char soc_name[K3_MAX + 1][SOC_NAME_MAX_LENGTH] = {
80 [AM654] = "AM654",
81 [J721E] = "J721E",
82 [K3_MAX] = "UNKNOWN"
83 };
85 static const char soc_revision[REV_PG_MAX + 1][SOC_REVISION_MAX_LENGTH] = {
86 [REV_SR1_0] = "1.0",
87 [REV_SR2_0] = "2.0",
88 [REV_PG_MAX] = "NULL"
89 };
91 static void am654_init(void)
92 {
93 struct ti_sci_info *sci_info = &soc_info.sci_info;
95 sci_info->host_info = am65x_host_info;
96 sci_info->num_hosts = AM65X_MAX_HOST_IDS;
97 sci_info->sp_info[MAIN_SEC_PROXY] = am65x_main_sp_info;
98 sci_info->num_sp_threads[MAIN_SEC_PROXY] = AM65X_MAIN_SEC_PROXY_THREADS;
99 sci_info->sp_info[MCU_SEC_PROXY] = am65x_mcu_sp_info;
100 sci_info->num_sp_threads[MCU_SEC_PROXY] = AM65X_MCU_SEC_PROXY_THREADS;
101 sci_info->processors_info = am65x_processors_info;
102 sci_info->num_processors = AM65X_MAX_PROCESSORS_IDS;
103 sci_info->devices_info = am65x_devices_info;
104 sci_info->num_devices = AM65X_MAX_DEVICES;
105 sci_info->clocks_info = am65x_clocks_info;
106 sci_info->num_clocks = AM65X_MAX_CLOCKS;
107 }
109 static void am654_sr2_init(void)
110 {
111 struct ti_sci_info *sci_info = &soc_info.sci_info;
113 sci_info->host_info = am65x_sr2_host_info;
114 sci_info->num_hosts = AM65X_SR2_MAX_HOST_IDS;
115 sci_info->sp_info[MAIN_SEC_PROXY] = am65x_sr2_main_sp_info;
116 sci_info->num_sp_threads[MAIN_SEC_PROXY] = AM65X_SR2_MAIN_SEC_PROXY_THREADS;
117 sci_info->sp_info[MCU_SEC_PROXY] = am65x_sr2_mcu_sp_info;
118 sci_info->num_sp_threads[MCU_SEC_PROXY] = AM65X_SR2_MCU_SEC_PROXY_THREADS;
119 }
121 static void j721e_init(void)
122 {
123 struct ti_sci_info *sci_info = &soc_info.sci_info;
125 sci_info->host_info = j721e_host_info;
126 sci_info->num_hosts = J721E_MAX_HOST_IDS;
127 sci_info->sp_info[MAIN_SEC_PROXY] = j721e_main_sp_info;
128 sci_info->num_sp_threads[MAIN_SEC_PROXY] = J721E_MAIN_SEC_PROXY_THREADS;
129 sci_info->sp_info[MCU_SEC_PROXY] = j721e_mcu_sp_info;
130 sci_info->num_sp_threads[MCU_SEC_PROXY] = J721E_MCU_SEC_PROXY_THREADS;
131 sci_info->processors_info = j721e_processors_info;
132 sci_info->num_processors = J721E_MAX_PROCESSORS_IDS;
133 sci_info->devices_info = j721e_devices_info;
134 sci_info->num_devices = J721E_MAX_DEVICES;
135 sci_info->clocks_info = j721e_clocks_info;
136 sci_info->num_clocks = J721E_MAX_CLOCKS;
137 }
139 int soc_init(uint32_t host_id)
140 {
141 memset(&soc_info, 0, sizeof(soc_info));
143 soc_info.soc = (mmio_read_32(CTRLMMR_WKUP_JTAG_DEVICE_ID) &
144 DEVICE_ID_FAMILY_MASK) >> DEVICE_ID_FAMILY_SHIFT;
145 soc_info.rev = (mmio_read_32(CTRLMMR_WKUP_JTAG_ID) &
146 JTAG_ID_VARIANT_MASK) >> JTAG_ID_VARIANT_SHIFT;
148 if (soc_info.soc > K3_MAX || !soc_name[soc_info.soc]) {
149 fprintf(stderr, "Unknown Silicon %d\n", soc_info.soc);
150 return -1;
151 }
152 if (soc_info.rev > REV_PG_MAX) {
153 fprintf(stderr, "Unknown Silicon revision %d for SoC %s\n",
154 soc_info.rev, soc_name[soc_info.soc]);
155 return -1;
156 }
158 strncpy(soc_info.soc_full_name, "", sizeof(soc_info.soc_full_name));
159 strcat(soc_info.soc_full_name, soc_name[soc_info.soc]);
160 strcat(soc_info.soc_full_name, " SR");
161 strcat(soc_info.soc_full_name, soc_revision[soc_info.rev]);
163 soc_info.host_id = host_id;
165 if (soc_info.soc == AM654 && soc_info.rev == REV_SR1_0)
166 am654_init();
167 else if (soc_info.soc == AM654 && soc_info.rev == REV_SR2_0)
168 am654_sr2_init();
169 else if (soc_info.soc == J721E)
170 j721e_init();
172 /* ToDo: Add error if sec_proxy_init/sci_init is failed */
173 if(!k3_sec_proxy_init())
174 if (!ti_sci_init())
175 soc_info.ti_sci_enabled = 1;
177 return 0;
178 }
180 int soc_is_j721e(void)
181 {
182 return soc_info.soc == J721E;
183 }
185 int soc_is_am654(void)
186 {
187 return soc_info.soc == AM654;
188 }