Re: [PATCH 1/2] coresight: etm4x: Add support for Qualcomm SC7180 SoC
From: Sai Prakash Ranjan <hidden>
Date: 2020-03-23 11:32:46
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linux-arm-msm, lkml
Hi Suzuki, On 2020-03-23 15:25, Suzuki K Poulose wrote:
On 03/20/2020 07:44 AM, Sai Prakash Ranjan wrote:quoted
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 <redacted> --- drivers/hwtracing/coresight/coresight-etm4x.c | 2 ++ 1 file changed, 2 insertions(+)diff --git a/drivers/hwtracing/coresight/coresight-etm4x.cb/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.
Yes I got these IDs through devarch and it does indicate that it is ETMv4.2. devname=7040000.etm dev->type=0x13 devarch=0x47724a13 devname=7140000.etm dev->type=0x13 devarch=0x47724a13 devname=7240000.etm dev->type=0x13 devarch=0x47724a13 devname=7340000.etm dev->type=0x13 devarch=0x47724a13 devname=7440000.etm dev->type=0x13 devarch=0x47724a13 devname=7540000.etm dev->type=0x13 devarch=0x47724a13 devname=7640000.etm dev->type=0x13 devarch=0x47724a13 devname=7740000.etm dev->type=0x13 devarch=0x47724a13 I will add the UCI_ID as you suggested in next version. Thanks, Sai -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation