880ebf97eec02926a7bd52dc169651719fba4422
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/j721e/j721e_host_info.h>
44 #include <soc/j721e/j721e_sec_proxy_info.h>
46 /* Assuming these addresses and definitions stay common across K3 devices */
47 #define CTRLMMR_WKUP_JTAG_DEVICE_ID 0x43000018
48 #define DEVICE_ID_FAMILY_SHIFT 26
49 #define DEVICE_ID_FAMILY_MASK (0x3f << 26)
50 #define DEVICE_ID_BASE_SHIFT 11
51 #define DEVICE_ID_BASE_MASK (0x1fff << 11)
52 #define DEVICE_ID_SPEED_SHIFT 6
53 #define DEVICE_ID_SPEED_MASK (0x1f << 6)
54 #define DEVICE_ID_TEMP_SHIFT 3
55 #define DEVICE_ID_TEMP_MASK (0x7 << 3)
57 #define CTRLMMR_WKUP_JTAG_ID 0x43000014
58 #define JTAG_ID_VARIANT_SHIFT 28
59 #define JTAG_ID_VARIANT_MASK (0xf << 28)
60 #define JTAG_ID_PARTNO_SHIFT 12
61 #define JTAG_ID_PARTNO_MASK (0x7ff << 1)
63 #define CTRLMMR_WKUP_DIE_ID0 0x43000020
64 #define CTRLMMR_WKUP_DIE_ID1 0x43000024
65 #define CTRLMMR_WKUP_DIE_ID2 0x43000028
66 #define CTRLMMR_WKUP_DIE_ID3 0x4300002c
67 #define CTRLMMR_WKUP_DEVSTAT 0x43000030
68 #define CTRLMMR_WKUP_BOOTCFG 0x43000034
70 struct k3conf_soc_info soc_info;
72 static const char soc_name[K3_MAX + 1][SOC_NAME_MAX_LENGTH] = {
73 [AM654] = "AM654",
74 [J721E] = "J721E",
75 [K3_MAX] = "UNKNOWN"
76 };
78 static const char soc_revision[REV_PG_MAX + 1][SOC_REVISION_MAX_LENGTH] = {
79 [REV_PG1_0] = "1.0",
80 [REV_PG2_0] = "2.0",
81 [REV_PG_MAX] = "NULL"
82 };
84 static void am654_init(void)
85 {
86 struct ti_sci_info *sci_info = &soc_info.sci_info;
88 sci_info->host_info = am65x_host_info;
89 sci_info->num_hosts = AM65X_MAX_HOST_IDS;
90 sci_info->sp_info[MAIN_SEC_PROXY] = am65x_main_sp_info;
91 sci_info->num_sp_threads[MAIN_SEC_PROXY] = AM65X_MAIN_SEC_PROXY_THREADS;
92 sci_info->sp_info[MCU_SEC_PROXY] = am65x_mcu_sp_info;
93 sci_info->num_sp_threads[MCU_SEC_PROXY] = AM65X_MCU_SEC_PROXY_THREADS;
94 sci_info->processors_info = am65x_processors_info;
95 sci_info->num_processors = AM65X_MAX_PROCESSORS_IDS;
96 }
98 static void j721e_init(void)
99 {
100 struct ti_sci_info *sci_info = &soc_info.sci_info;
102 sci_info->host_info = j721e_host_info;
103 sci_info->num_hosts = J721E_MAX_HOST_IDS;
104 sci_info->sp_info[MAIN_SEC_PROXY] = j721e_main_sp_info;
105 sci_info->num_sp_threads[MAIN_SEC_PROXY] = J721E_MAIN_SEC_PROXY_THREADS;
106 sci_info->sp_info[MCU_SEC_PROXY] = j721e_mcu_sp_info;
107 sci_info->num_sp_threads[MCU_SEC_PROXY] = J721E_MCU_SEC_PROXY_THREADS;
108 }
110 int soc_init(void)
111 {
112 memset(&soc_info, 0, sizeof(soc_info));
114 soc_info.soc = (mmio_read_32(CTRLMMR_WKUP_JTAG_DEVICE_ID) &
115 DEVICE_ID_FAMILY_MASK) >> DEVICE_ID_FAMILY_SHIFT;
116 soc_info.rev = (mmio_read_32(CTRLMMR_WKUP_JTAG_ID) &
117 JTAG_ID_VARIANT_MASK) >> JTAG_ID_VARIANT_SHIFT;
119 if (soc_info.soc > K3_MAX || !soc_name[soc_info.soc]) {
120 fprintf(stderr, "Unknown Silicon %d\n", soc_info.soc);
121 return -1;
122 }
123 if (soc_info.rev > REV_PG_MAX) {
124 fprintf(stderr, "Unknown Silicon revision %d for SoC %s\n",
125 soc_info.rev, soc_name[soc_info.soc]);
126 return -1;
127 }
129 strncpy(soc_info.soc_full_name, "", sizeof(soc_info.soc_full_name));
130 strcat(soc_info.soc_full_name, soc_name[soc_info.soc]);
131 strcat(soc_info.soc_full_name, " PG");
132 strcat(soc_info.soc_full_name, soc_revision[soc_info.rev]);
134 soc_info.host_id = DEFAULT_HOST_ID;
136 if (soc_info.soc == AM654)
137 am654_init();
138 else if (soc_info.soc == J721E)
139 j721e_init();
141 /* ToDo: Add error if sec_proxy_init/sci_init is failed */
142 if(!k3_sec_proxy_init())
143 if (!ti_sci_init())
144 soc_info.ti_sci_enabled = 1;
146 return 0;
147 }
149 int soc_is_j721e(void)
150 {
151 return soc_info.soc == J721E;
152 }
154 int soc_is_am654(void)
155 {
156 return soc_info.soc == AM654;
157 }