From: Jinlong <quic_jinlmao@quicinc.com>
To: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Tao Zhang <quic_taozha@quicinc.com>,
Mathieu Poirier <mathieu.poirier@linaro.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Mike Leach <mike.leach@linaro.org>, Leo Yan <leo.yan@linaro.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
<coresight@lists.linaro.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
Tingwei Zhang <quic_tingweiz@quicinc.com>,
Yuanfang Zhang <quic_yuanfang@quicinc.com>,
Trilok Soni <quic_tsoni@quicinc.com>
Subject: Re: [PATCH 10/10] ARM: dts: msm: Add TPDA and TPDM support to DTS for RB5
Date: Fri, 5 Nov 2021 16:07:31 +0800 [thread overview]
Message-ID: <20211105080726.GA25738@jinlmao-gv.ap.qualcomm.com> (raw)
In-Reply-To: <a372fe18-e1c8-57cd-8986-b4d6dbca091b@arm.com>
Thanks for the review, Suzuki.
On Thu, Nov 04, 2021 at 09:45:08AM +0000, Suzuki K Poulose wrote:
> On 21/10/2021 08:38, Tao Zhang wrote:
> > Add TPDA and TPDM support to DTS for RB5 board. This change is a
> > sample for validating. After applying this patch, the new TPDM and
> > TPDA nodes can be observed at the coresight devices path. TPDM and
> > TPDA hardware can be operated by commands.
> >
> > List the commands for validating this series patches as below.
> > echo 1 > /sys/bus/coresight/devices/tmc_etf0/enable_sink
> > echo 1 > /sys/bus/coresight/devices/tpdm0/enable_source
> > echo 1 > /sys/bus/coresight/devices/tpdm0/integration_test
> > echo 2 > /sys/bus/coresight/devices/tpdm0/integration_test
> > cat /dev/tmc_etf0 > /data/etf-tpdm0.bin
> > echo 0 > /sys/bus/coresight/devices/tpdm0/enable_source
> > echo 0 > /sys/bus/coresight/devices/tmc_etf0/enable_sink
> > echo 1 > /sys/bus/coresight/devices/tmc_etf0/enable_sink
> > echo 1 > /sys/bus/coresight/devices/tpdm1/enable_source
> > echo 1 > /sys/bus/coresight/devices/tpdm1/integration_test
> > echo 2 > /sys/bus/coresight/devices/tpdm1/integration_test
> > cat /dev/tmc_etf0 > /data/etf-tpdm1.bin
> > echo 0 > /sys/bus/coresight/devices/tpdm1/enable_source
> > echo 0 > /sys/bus/coresight/devices/tmc_etf0/enable_sink
> > echo 1 > /sys/bus/coresight/devices/tmc_etf0/enable_sink
> > echo 1 > /sys/bus/coresight/devices/tpdm2/enable_source
> > echo 1 > /sys/bus/coresight/devices/tpdm2/integration_test
> > echo 2 > /sys/bus/coresight/devices/tpdm2/integration_test
> > cat /dev/tmc_etf0 > /data/etf-tpdm2.bin
> > echo 0 > /sys/bus/coresight/devices/tpdm2/enable_source
> > echo 0 > /sys/bus/coresight/devices/tmc_etf0/enable_sink
> >
>
>
>
> > If the data from TPDMs can be obtained from the ETF, it means
> > that the TPDMs verification is successful. At the same time,
>
>
> How can we decode the TPDM trace ? Is there a public decoder
> available ?
>
There is an internal tool on PC host to parse the TPDM trace.
> > since TPDM0, TPDM1 and TPDM2 are all connected to the same
> > funnel "funnel@6c2d000" and output via different output ports,
> > it also means that the following patches verification is
> > successful.
> > coresight: add support to enable more coresight paths
> > coresight: funnel: add support for multiple output ports
> >
> > Signed-off-by: Tao Zhang <quic_taozha@quicinc.com>
> > ---
> > arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 439 +++++++++++++++++++++++
> > 1 file changed, 439 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> > index 8ac96f8e79d4..bcec8b181e11 100644
> > --- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> > +++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> > @@ -222,6 +222,445 @@
>
>
> > +
> > + funnel@6b04000 {
> > + compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
> > + arm,primecell-periphid = <0x000bb908>;
> > +
> > + reg = <0 0x6b04000 0 0x1000>;
> > + reg-names = "funnel-base";
> > +
> > + clocks = <&aoss_qmp>;
> > + clock-names = "apb_pclk";
> > +
> > + out-ports {
> > + port {
> > + merge_funnel_out: endpoint {
> > + remote-endpoint =
> > + <&etf_in>;
> > + };
> > + };
> > + };
> > +
> > + in-ports {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > +
> > + port@7 {
> > + reg = <7>;
> > + swao_funnel_in7: endpoint {
>
> > + slave-mode;
>
> This is obsolete, with the new in-ports/out-ports construct.
>
We will check and update.
> Suzuki
next prev parent reply other threads:[~2021-11-05 8:07 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-21 7:38 [PATCH 00/10] Add support for TPDM and TPDA Tao Zhang
2021-10-21 7:38 ` [PATCH 01/10] coresight: add support to enable more coresight paths Tao Zhang
2021-10-28 18:06 ` Mathieu Poirier
2021-11-22 15:12 ` Jinlong Mao
2021-11-22 16:51 ` Mathieu Poirier
2021-10-21 7:38 ` [PATCH 02/10] coresight: funnel: add support for multiple output ports Tao Zhang
2021-10-29 17:48 ` Mathieu Poirier
2021-10-21 7:38 ` [PATCH 03/10] Coresight: Add driver to support Coresight device TPDM Tao Zhang
2021-11-02 17:59 ` Mathieu Poirier
2021-11-04 8:56 ` Jinlong
2021-11-04 16:55 ` Mathieu Poirier
2021-11-05 8:15 ` Jinlong
2021-11-04 9:37 ` Suzuki K Poulose
2021-11-05 8:12 ` Jinlong
2021-10-21 7:38 ` [PATCH 04/10] Coresight: Enable BC and GPR for TPDM driver Tao Zhang
2021-11-03 19:43 ` Mathieu Poirier
2021-11-04 11:13 ` Jinlong
2021-11-04 17:02 ` Mathieu Poirier
2021-11-05 8:17 ` Jinlong
2021-11-05 15:14 ` Mathieu Poirier
2021-10-21 7:38 ` [PATCH 05/10] Coresight: Add interface for TPDM BC subunit Tao Zhang
2021-11-04 18:01 ` Mathieu Poirier
2021-11-05 8:26 ` Jinlong
2021-11-12 8:42 ` Jinlong
2021-11-12 9:10 ` Jinlong
2021-11-12 16:37 ` Mathieu Poirier
2021-10-21 7:38 ` [PATCH 06/10] Coresight: Enable and add interface for TPDM TC subunit Tao Zhang
2021-10-21 7:38 ` [PATCH 07/10] Coresight: Enable DSB subunit for TPDM Tao Zhang
2021-10-21 7:38 ` [PATCH 08/10] Coresight: Enable CMB " Tao Zhang
2021-10-21 7:38 ` [PATCH 09/10] coresight: Add driver to support Coresight device TPDA Tao Zhang
2021-10-21 7:38 ` [PATCH 10/10] ARM: dts: msm: Add TPDA and TPDM support to DTS for RB5 Tao Zhang
2021-11-02 18:02 ` Mathieu Poirier
2021-11-03 8:14 ` Tao Zhang
2021-11-04 9:45 ` Suzuki K Poulose
2021-11-05 8:07 ` Jinlong [this message]
2021-10-28 17:16 ` [PATCH 00/10] Add support for TPDM and TPDA Mathieu Poirier
2021-10-29 15:11 ` Tao Zhang
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