common/socinfo.c

   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  */
  35
  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>
  45
  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)
  56
  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)
  62
  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
  69
  70 struct k3conf_soc_info soc_info;
  71
  72 static const char soc_name[K3_MAX + 1][SOC_NAME_MAX_LENGTH] = {
  73         [AM654] = "AM654",
  74         [J721E] = "J721E",
  75         [K3_MAX] = "UNKNOWN"
  76 };
  77
  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 };
  83
  84 static void am654_init(void)
  85 {
  86         struct ti_sci_info *sci_info = &soc_info.sci_info;
  87
  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 }
  97
  98 static void j721e_init(void)
  99 {
 100         struct ti_sci_info *sci_info = &soc_info.sci_info;
 101
 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 }
 109
 110 int soc_init(void)
 111 {
 112         memset(&soc_info, 0, sizeof(soc_info));
 113
 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;
 118
 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         }
 128
 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]);
 133
 134         soc_info.host_id = DEFAULT_HOST_ID;
 135
 136         if (soc_info.soc == AM654)
 137                 am654_init();
 138         else if (soc_info.soc == J721E)
 139                 j721e_init();
 140
 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;
 145
 146         return 0;
 147 }
 148
 149 int soc_is_j721e(void)
 150 {
 151         return soc_info.soc == J721E;
 152 }
 153
 154 int soc_is_am654(void)
 155 {
 156         return soc_info.soc == AM654;
 157 }