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authorRex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com>2021-12-06 13:12:44 +0800
committerFelix Held <felix-coreboot@felixheld.de>2021-12-14 16:11:28 +0000
commit2efb6142ca22a1b1372147c768e8f34dc5b4a299 (patch)
tree2698caa4437a72396946133f3d296c803e94b0e7 /src/soc/mediatek/common/tracker_v2.c
parent3437a6fbb0f6d61a692a0c0b82c45b77e27ead8e (diff)
soc/mediatek: add support for tracker version one
There are two versions for tracker system: Version 1 for MT8186, and version 2 for MT8192 and MT8195. Reference document: MT8169_bus_dbg_tracker_cfg_reg.xls from MediaTek internal. BUG=b:202871018 TEST=build pass Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com> Change-Id: Idb146974da118b1cf5a349370bf7b2fa13f1aba8 Reviewed-on: https://review.coreboot.org/c/coreboot/+/59989 Reviewed-by: Yu-Ping Wu <yupingso@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/mediatek/common/tracker_v2.c')
-rw-r--r--src/soc/mediatek/common/tracker_v2.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/soc/mediatek/common/tracker_v2.c b/src/soc/mediatek/common/tracker_v2.c
new file mode 100644
index 0000000000..fecde161fd
--- /dev/null
+++ b/src/soc/mediatek/common/tracker_v2.c
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/mmio.h>
+#include <soc/addressmap.h>
+#include <soc/tracker.h>
+#include <soc/tracker_common.h>
+
+/*
+ * for systracker:
+ * offset[0] dump from offset 0x100 ~ 0x2F8.
+ * offset[1] dump from offset 0x300 ~ 0x4FC
+ *
+ * for infra tracker:
+ * offset[0] dump from offset 0x100 ~ 0x1F8
+ * offset[1] dump from offset 0x300 ~ 0x3FC
+ *
+ * for perisys tracker:
+ * offset[0] dump from offset 0x100 ~ 0x2F8
+ * offset[1] dump from offset 0x300 ~ 0x4FC
+ */
+struct tracker tracker_data[TRACKER_NUM] = {
+ [TRACKER_SYSTRACKER] = {
+ .base_addr = DBG_TRACKER_BASE,
+ .timeout = BUS_DBG_CON_TIMEOUT,
+ .entry = SYS_TRACK_ENTRY,
+ .offset[0] = AR_TRACK_OFFSET,
+ .offset[1] = AW_TRACK_OFFSET,
+ .str = "systracker",
+ },
+ [TRACKER_INFRATRACKER] = {
+ .base_addr = INFRA_TRACKER_BASE,
+ .timeout = BUSTRACKER_TIMEOUT,
+ .entry = INFRA_ENTRY_NUM,
+ .offset[0] = AR_TRACK_OFFSET,
+ .offset[1] = AW_TRACK_OFFSET,
+ .str = "infra_tracker",
+ },
+ [TRACKER_PERISYSTRACKER] = {
+ .base_addr = PERI_TRACKER_BASE,
+ .timeout = BUSTRACKER_TIMEOUT,
+ .entry = PERI_ENTRY_NUM,
+ .offset[0] = AR_TRACK_OFFSET,
+ .offset[1] = AW_TRACK_OFFSET,
+ .str = "peri_tracker",
+ },
+};
+
+void tracker_setup(void)
+{
+ u32 val;
+ /*
+ * Set infra/peri tracker timeout.
+ * timeout = clock_in_mhz * 1000 / 16 * timeout_in_ms
+ *
+ * timeout: 200ms
+ * infra tracker clock: 156MHz
+ * peri tracker clock: 78MHz
+ */
+ val = 156 * 1000 / 16 * 200;
+ write32((void *)(INFRA_TRACKER_BASE + BUS_DBG_TIMER_CON0), val);
+ write32((void *)(INFRA_TRACKER_BASE + BUS_DBG_TIMER_CON1), val);
+
+ val = 78 * 1000 / 16 * 200;
+ write32((void *)(PERI_TRACKER_BASE + BUS_DBG_TIMER_CON0), val);
+ write32((void *)(PERI_TRACKER_BASE + BUS_DBG_TIMER_CON1), val);
+
+ /* Enable infra/peri tracer because tracker and tracer share the same enable bit. */
+ write32((void *)(BUS_TRACE_MONITOR_BASE + BUS_TRACE_CON_1), 1 << BUS_TRACE_EN);
+ write32((void *)(BUS_TRACE_MONITOR_BASE + BUS_TRACE_CON_2), 1 << BUS_TRACE_EN);
+
+ /*
+ * Enable infra/peri tracker.
+ * bit[0] - BUS_DBG_EN
+ * bit[1] - TIMEOUT_EN
+ * bit[2] - SLV_ERR_EN
+ * bit[13] - HALT_ON_TIMEOUT_EN
+ * bit[14] - BUS_OT_WEN_CTRL
+ */
+ val = BIT(0) | BIT(1) | BIT(2) | BIT(13) | BIT(14);
+ write32((void *)(BUS_TRACE_MONITOR_BASE + BUS_TRACE_CON_AO_1), val);
+ write32((void *)(BUS_TRACE_MONITOR_BASE + BUS_TRACE_CON_AO_2), val);
+}