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-rw-r--r--drivers/hwtracing/coresight/coresight-etm4x-core.c5
-rw-r--r--drivers/hwtracing/coresight/coresight-priv.h19
2 files changed, 22 insertions, 2 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index 5e9edbc5e724..7e307022303a 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -2257,6 +2257,11 @@ static const struct amba_id etm4_ids[] = {
CS_AMBA_UCI_ID(0x000cc0af, uci_id_etm4),/* Marvell ThunderX2 */
CS_AMBA_UCI_ID(0x000b6d01, uci_id_etm4),/* HiSilicon-Hip08 */
CS_AMBA_UCI_ID(0x000b6d02, uci_id_etm4),/* HiSilicon-Hip09 */
+ /*
+ * Match all PIDs with ETM4 DEVARCH. No need for adding any of the new
+ * CPUs to the list here.
+ */
+ CS_AMBA_MATCH_ALL_UCI(uci_id_etm4),
{},
};
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index 1801ff4e467b..767076e07970 100644
--- a/drivers/hwtracing/coresight/coresight-priv.h
+++ b/drivers/hwtracing/coresight/coresight-priv.h
@@ -188,12 +188,27 @@ extern void coresight_remove_cti_ops(void);
}
/* coresight AMBA ID, full UCI structure: id table entry. */
-#define CS_AMBA_UCI_ID(pid, uci_ptr) \
+#define __CS_AMBA_UCI_ID(pid, m, uci_ptr) \
{ \
.id = pid, \
- .mask = 0x000fffff, \
+ .mask = m, \
.data = (void *)uci_ptr \
}
+#define CS_AMBA_UCI_ID(pid, uci) __CS_AMBA_UCI_ID(pid, 0x000fffff, uci)
+/*
+ * PIDR2[JEDEC], BIT(3) must be 1 (Read As One) to indicate that rest of the
+ * PIDR1, PIDR2 DES_* fields follow JEDEC encoding for the designer. Use that
+ * as a match value for blanket matching all devices in the given CoreSight
+ * device type and architecture.
+ */
+#define PIDR2_JEDEC BIT(3)
+#define PID_PIDR2_JEDEC (PIDR2_JEDEC << 16)
+/*
+ * Match all PIDs in a given CoreSight device type and architecture, defined
+ * by the uci.
+ */
+#define CS_AMBA_MATCH_ALL_UCI(uci) \
+ __CS_AMBA_UCI_ID(PID_PIDR2_JEDEC, PID_PIDR2_JEDEC, uci)
/* extract the data value from a UCI structure given amba_id pointer. */
static inline void *coresight_get_uci_data(const struct amba_id *id)