src/soc/mediatek/common/tracker_v2.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <device/mmio.h>
   4 #include <soc/addressmap.h>
   5 #include <soc/tracker.h>
   6 #include <soc/tracker_common.h>
   7
   8 /*
   9  * for systracker:
  10  * offset[0] dump from offset 0x100 ~ 0x2F8.
  11  * offset[1] dump from offset 0x300 ~ 0x4FC
  12  *
  13  * for infra tracker:
  14  * offset[0] dump from offset 0x100 ~ 0x1F8
  15  * offset[1] dump from offset 0x300 ~ 0x3FC
  16  *
  17  * for perisys tracker:
  18  * offset[0] dump from offset 0x100 ~ 0x2F8
  19  * offset[1] dump from offset 0x300 ~ 0x4FC
  20  */
  21 struct tracker tracker_data[TRACKER_NUM] = {
  22         [TRACKER_SYSTRACKER] = {
  23                 .base_addr = DBG_TRACKER_BASE,
  24                 .timeout = BUS_DBG_CON_TIMEOUT,
  25                 .entry = SYS_TRACK_ENTRY,
  26                 .offset[0] = AR_TRACK_OFFSET,
  27                 .offset[1] = AW_TRACK_OFFSET,
  28                 .str = "systracker",
  29         },
  30         [TRACKER_INFRATRACKER] = {
  31                 .base_addr = INFRA_TRACKER_BASE,
  32                 .timeout = BUSTRACKER_TIMEOUT,
  33                 .entry = INFRA_ENTRY_NUM,
  34                 .offset[0] = AR_TRACK_OFFSET,
  35                 .offset[1] = AW_TRACK_OFFSET,
  36                 .str = "infra_tracker",
  37         },
  38         [TRACKER_PERISYSTRACKER] = {
  39                 .base_addr = PERI_TRACKER_BASE,
  40                 .timeout = BUSTRACKER_TIMEOUT,
  41                 .entry = PERI_ENTRY_NUM,
  42                 .offset[0] = AR_TRACK_OFFSET,
  43                 .offset[1] = AW_TRACK_OFFSET,
  44                 .str = "peri_tracker",
  45         },
  46 };
  47
  48 void tracker_setup(void)
  49 {
  50         u32 val;
  51         /*
  52          * Set infra/peri tracker timeout.
  53          * timeout = clock_in_mhz * 1000 / 16 * timeout_in_ms
  54          *
  55          * timeout: 200ms
  56          * infra tracker clock: 156MHz
  57          * peri tracker clock: 78MHz
  58          */
  59         val = 156 * 1000 / 16 * 200;
  60         write32((void *)(INFRA_TRACKER_BASE + BUS_DBG_TIMER_CON0), val);
  61         write32((void *)(INFRA_TRACKER_BASE + BUS_DBG_TIMER_CON1), val);
  62
  63         val = 78 * 1000 / 16 * 200;
  64         write32((void *)(PERI_TRACKER_BASE + BUS_DBG_TIMER_CON0), val);
  65         write32((void *)(PERI_TRACKER_BASE + BUS_DBG_TIMER_CON1), val);
  66
  67         /* Enable infra/peri tracer because tracker and tracer share the same enable bit. */
  68         write32((void *)(BUS_TRACE_MONITOR_BASE + BUS_TRACE_CON_1), 1 << BUS_TRACE_EN);
  69         write32((void *)(BUS_TRACE_MONITOR_BASE + BUS_TRACE_CON_2), 1 << BUS_TRACE_EN);
  70
  71         /*
  72          * Enable infra/peri tracker.
  73          * bit[0] - BUS_DBG_EN
  74          * bit[1] - TIMEOUT_EN
  75          * bit[2] - SLV_ERR_EN
  76          * bit[13] - HALT_ON_TIMEOUT_EN
  77          * bit[14] - BUS_OT_WEN_CTRL
  78          */
  79         val = BIT(0) | BIT(1) | BIT(2) | BIT(13) | BIT(14);
  80         write32((void *)(BUS_TRACE_MONITOR_BASE + BUS_TRACE_CON_AO_1), val);
  81         write32((void *)(BUS_TRACE_MONITOR_BASE + BUS_TRACE_CON_AO_2), val);
  82 }