linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
From: Mike Leach <mike.leach@linaro.org>
To: Chunyan Zhang <zhang.lyra@gmail.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Coresight ML <coresight@lists.linaro.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Chunyan Zhang <chunyan.zhang@unisoc.com>,
	Bin Ji <bin.ji@unisoc.com>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] coresight: etm4x: add AMBA id for Cortex-A55 and Cortex-A75
Date: Fri, 15 Jan 2021 10:17:57 +0000	[thread overview]
Message-ID: <CAJ9a7VgxqZw7F8P2TE_javqq-XqunOupu8iKgyMppb211gserw@mail.gmail.com> (raw)
In-Reply-To: <20210115083933.50522-1-zhang.lyra@gmail.com>

Hi Chunyan,

On Fri, 15 Jan 2021 at 08:39, Chunyan Zhang <zhang.lyra@gmail.com> wrote:
>
> From: Bin Ji <bin.ji@unisoc.com>
>
> Add ETM amba id to support Cortex-A55(Ananke) and Cortex-A75(Promethus).
>
> Signed-off-by: Bin Ji <bin.ji@unisoc.com>
> Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
> ---
>  drivers/hwtracing/coresight/coresight-etm4x-core.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
> index b20b6ff17cf6..66c6641c71ea 100644
> --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
> +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
> @@ -1709,9 +1709,11 @@ static int etm4_remove(struct amba_device *adev)
>
>  static const struct amba_id etm4_ids[] = {
>         CS_AMBA_ID(0x000bb95d),                 /* Cortex-A53 */
> +       CS_AMBA_ID(0x000bbd05),                 /* Cortex-A55 */

Use AMBA_UCI_ID(). See UCI  comment below.

>         CS_AMBA_ID(0x000bb95e),                 /* Cortex-A57 */
>         CS_AMBA_ID(0x000bb95a),                 /* Cortex-A72 */
>         CS_AMBA_ID(0x000bb959),                 /* Cortex-A73 */
> +       CS_AMBA_ID(0x000bbd0a),                 /* Cortex-A75 */

This AMBA ID is used for PMU, ETM, debug block and CTI for this core.
Please use the CS_AMBA_UCI_ID macro to correctly identify this
component.
See CoreSight 3.0 Architecture Manual 3.0 (IHI 0029E) section B2.1.2
for an explanation of UCI.

Regards

Mike



>         CS_AMBA_UCI_ID(0x000bb9da, uci_id_etm4),/* Cortex-A35 */
>         CS_AMBA_UCI_ID(0x000bbd0c, uci_id_etm4),/* Neoverse N1 */
>         CS_AMBA_UCI_ID(0x000f0205, uci_id_etm4),/* Qualcomm Kryo */
> --
> 2.25.1
>
> _______________________________________________
> CoreSight mailing list
> CoreSight@lists.linaro.org
> https://lists.linaro.org/mailman/listinfo/coresight



--
Mike Leach
Principal Engineer, ARM Ltd.
Manchester Design Centre. UK

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2021-01-15 10:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-15  8:39 [PATCH] coresight: etm4x: add AMBA id for Cortex-A55 and Cortex-A75 Chunyan Zhang
2021-01-15 10:17 ` Mike Leach [this message]
2021-01-18  6:58   ` Chunyan Zhang

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CAJ9a7VgxqZw7F8P2TE_javqq-XqunOupu8iKgyMppb211gserw@mail.gmail.com \
    --to=mike.leach@linaro.org \
    --cc=bin.ji@unisoc.com \
    --cc=chunyan.zhang@unisoc.com \
    --cc=coresight@lists.linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mathieu.poirier@linaro.org \
    --cc=suzuki.poulose@arm.com \
    --cc=zhang.lyra@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).