Thread (8 messages) 8 messages, 3 authors, 2019-01-25
STALE2711d REVIEWED: 2 (2M)
Revisions (4)
  1. v3 [diff vs current]
  2. v3 current
  3. v3 [diff vs current]
  4. v4 [diff vs current]

[RESEND PATCH v3 2/2] coresight: etmv4: Update ID register table to add UCI support

From: Mike Leach <hidden>
Date: 2018-12-18 22:00:19
Also in: lkml
Subsystem: arm/coresight framework and drivers, hardware tracing facilities, the rest · Maintainers: Suzuki K Poulose, Alexander Shishkin, Linus Torvalds

Updates the ID register tables to contain a UCI entry for the A35 ETM
device to allow correct matching of driver in the amba bus code.

Signed-off-by: Mike Leach <redacted>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
---
 drivers/hwtracing/coresight/coresight-etm4x.c | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c
index 53e2fb6e86f6..2fb8054e43ab 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x.c
@@ -1073,12 +1073,28 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id)
 		.mask	= 0x000fffff,		\
 	}
 
+static struct amba_cs_uci_id uci_id_etm4[] = {
+	{
+		/*  ETMv4 UCI data */
+		.devarch	= 0x47704a13,
+		.devarch_mask	= 0xfff0ffff,
+		.devtype	= 0x00000013,
+	}
+};
+
+#define ETM4x_AMBA_UCI_ID(pid)			\
+	{					\
+		.id	= pid,			\
+		.mask	= 0x000fffff,		\
+		.data	= uci_id_etm4,		\
+	}
+
 static const struct amba_id etm4_ids[] = {
 	ETM4x_AMBA_ID(0x000bb95d),		/* Cortex-A53 */
 	ETM4x_AMBA_ID(0x000bb95e),		/* Cortex-A57 */
 	ETM4x_AMBA_ID(0x000bb95a),		/* Cortex-A72 */
 	ETM4x_AMBA_ID(0x000bb959),		/* Cortex-A73 */
-	ETM4x_AMBA_ID(0x000bb9da),		/* Cortex-A35 */
+	ETM4x_AMBA_UCI_ID(0x000bb9da),		/* Cortex-A35 */
 	{},
 };
 
-- 
2.19.1


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