Re: [PATCH 1/2] coresight: etm4x: Add support for Qualcomm SC7180 SoC
From: Suzuki K Poulose
Date: Mon Mar 23 2020 - 05:50:55 EST
On 03/20/2020 07:44 AM, Sai Prakash Ranjan wrote:
Add ETM Peripheral IDs for Qualcomm SC7180 SoC. It has
2 big CPU cores based on Cortex-A76 and 6 LITTLE CPU
cores based on Cortex-A55.
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@xxxxxxxxxxxxxx>
---
drivers/hwtracing/coresight/coresight-etm4x.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c
index a90d757f7043..a153a65c4c5b 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x.c
@@ -1556,6 +1556,8 @@ static const struct amba_id etm4_ids[] = {
CS_AMBA_UCI_ID(0x000f0211, uci_id_etm4),/* Qualcomm Kryo */
CS_AMBA_ID(0x000bb802), /* Qualcomm Kryo 385 Cortex-A55 */
CS_AMBA_ID(0x000bb803), /* Qualcomm Kryo 385 Cortex-A75 */
+ CS_AMBA_ID(0x000bb805), /* Qualcomm Kryo 4XX Cortex-A55 */
+ CS_AMBA_ID(0x000bb804), /* Qualcomm Kryo 4XX Cortex-A76 */
Does the DEVARCH indicate that it is an ETMv4 ? (It should !) Please
could we enforce the UCI_ID check for these components ? The
moment you add CTI components to your board this could conflict with
them unless we check the UCI_ID for ETMv4.
Suzuki