src/soc/qualcomm/sc7280/socinfo.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <commonlib/helpers.h>
   4 #include <console/console.h>
   5 #include <device/mmio.h>
   6 #include <types.h>
   7 #include <soc/socinfo.h>
   8 #include <soc/addressmap.h>
   9
  10 #define JTAG_OFFSET     0xB1014
  11
  12 static struct chipinfo chipinfolut[] = {
  13         /* CHIPINFO_ID_SM_KODIAK = 475 */
  14         { .jtagid = CHIPINFO_PARTNUM_SM_KODIAK, .modem = 1, .pro = 0 },
  15         /* CHIPINFO_ID_SC_KODIAK_CHROME = 487 */
  16         { .jtagid = CHIPINFO_PARTNUM_SC_KODIAK_CHROME, .modem = 1, .pro = 0 },
  17         /* CHIPINFO_ID_SC_KODIAK_WINDOWS = 488 */
  18         { .jtagid = CHIPINFO_PARTNUM_SC_KODIAK_WINDOWS, .modem = 1, .pro = 0 },
  19         /* CHIPINFO_ID_QCM_KODIAK = 497 */
  20         { .jtagid = CHIPINFO_PARTNUM_QCM_KODIAK, .modem = 1, .pro = 0 },
  21         /* CHIPINFO_ID_QCS_KODIAK = 498 */
  22         { .jtagid = CHIPINFO_PARTNUM_QCS_KODIAK, .modem = 0, .pro = 0 },
  23         /* CHIPINFO_ID_SMP_KODIAK = 499 */
  24         { .jtagid = CHIPINFO_PARTNUM_SMP_KODIAK, .modem = 0, .pro = 0 },
  25         /* CHIPINFO_ID_SM_KODIAK_LTE_ONLY = 515 */
  26         { .jtagid = CHIPINFO_PARTNUM_SM_KODIAK_LTE_ONLY, .modem = 1, .pro = 0 },
  27         /* CHIPINFO_ID_SCP_KODIAK = 546 */
  28         { .jtagid = CHIPINFO_PARTNUM_SCP_KODIAK, .modem = 0, .pro = 0 },
  29         /* CHIPINFO_ID_SC_8CGEN3 = 553 */
  30         { .jtagid = CHIPINFO_PARTNUM_SC_8CGEN3, .modem = 1, .pro = 1 },
  31         /* CHIPINFO_ID_SCP_8CGEN3 = 563 */
  32         { .jtagid = CHIPINFO_PARTNUM_SCP_8CGEN3, .modem = 0, .pro = 1 },
  33         /* CHIPINFO_ID_KODIAK_SCP_7CGEN3 = 567 */
  34         { .jtagid = CHIPINFO_PARTNUM_KODIAK_SCP_7CGEN3, .modem = 0, .pro = 0 },
  35         /* CHIPINFO_ID_QCS_KODIAK_LITE = 575 */
  36         { .jtagid = CHIPINFO_PARTNUM_QCS_KODIAK_LITE, .modem = 0, .pro = 0 },
  37         /* CHIPINFO_ID_QCM_KODIAK_LITE = 576 */
  38         { .jtagid = CHIPINFO_PARTNUM_QCM_KODIAK_LITE, .modem = 0, .pro = 0 },
  39 };
  40
  41 static uint16_t read_jtagid(void)
  42 {
  43         return (read32((void *)(TLMM_TILE_BASE + JTAG_OFFSET)) & DEVICE_ID);
  44 }
  45
  46 static int match_jtagid(uint16_t jtagid)
  47 {
  48         int i;
  49
  50         for (i = 0; i < ARRAY_SIZE(chipinfolut); i++)
  51                 if (chipinfolut[i].jtagid == jtagid)
  52                         return i;
  53
  54         return -1;
  55 }
  56
  57 uint16_t socinfo_modem_supported(void)
  58 {
  59         uint16_t jtagid;
  60         int ret;
  61
  62         jtagid = read_jtagid();
  63
  64         ret = match_jtagid(jtagid);
  65         if (ret != -1)
  66                 return chipinfolut[ret].modem;
  67
  68         die("could not match jtagid\n");
  69 }
  70
  71 uint16_t socinfo_pro_part(void)
  72 {
  73         uint16_t jtagid;
  74         int ret;
  75
  76         jtagid = read_jtagid();
  77
  78         ret = match_jtagid(jtagid);
  79         if (ret != -1)
  80                 return chipinfolut[ret].pro;
  81
  82         die("could not match jtagid\n");
  83 }