linux-arm-msm.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Andy Gross <andy.gross@linaro.org>, David Brown <david.brown@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Stephen Boyd <sboyd@codeaurora.org>,
	linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-soc@vger.kernel.org
Subject: [PATCH v3 0/3] QCOM SCM Download mode support
Date: Wed,  9 Aug 2017 13:10:30 -0700	[thread overview]
Message-ID: <20170809201033.4967-1-bjorn.andersson@linaro.org> (raw)

This enables kernel developers to enable "download mode", a mechanism for
entering a debug state to "download" memory content following a unexpected
warm-restart; e.g. security violation by accessing a protected register.

Bjorn Andersson (3):
  firmware: qcom: scm: Expose secure IO service
  firmware: qcom: scm: Expose download-mode control
  arm64: dts: qcom: Specify dload address for msm8916 and msm8996

 .../devicetree/bindings/firmware/qcom,scm.txt      |  2 +
 arch/arm64/boot/dts/qcom/msm8916.dtsi              |  2 +
 arch/arm64/boot/dts/qcom/msm8996.dtsi              |  7 ++
 drivers/firmware/Kconfig                           | 11 +++
 drivers/firmware/qcom_scm-32.c                     | 24 +++++++
 drivers/firmware/qcom_scm-64.c                     | 44 ++++++++++++
 drivers/firmware/qcom_scm.c                        | 81 ++++++++++++++++++++++
 drivers/firmware/qcom_scm.h                        |  8 +++
 include/linux/qcom_scm.h                           |  4 ++
 9 files changed, 183 insertions(+)

-- 
2.12.0

             reply	other threads:[~2017-08-09 20:10 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-09 20:10 Bjorn Andersson [this message]
2017-08-09 20:10 ` [PATCH v3 1/3] firmware: qcom: scm: Expose secure IO service Bjorn Andersson
2017-08-09 20:10 ` [PATCH v3 2/3] firmware: qcom: scm: Expose download-mode control Bjorn Andersson
2017-08-10 23:48   ` Stephen Boyd
2017-08-09 20:10 ` [PATCH v3 3/3] arm64: dts: qcom: Specify dload address for msm8916 and msm8996 Bjorn Andersson
2017-08-09 21:50   ` Stephen Boyd
2017-08-14 21:58     ` Bjorn Andersson

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=20170809201033.4967-1-bjorn.andersson@linaro.org \
    --to=bjorn.andersson@linaro.org \
    --cc=andy.gross@linaro.org \
    --cc=david.brown@linaro.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-soc@vger.kernel.org \
    --cc=mark.rutland@arm.com \
    --cc=robh+dt@kernel.org \
    --cc=sboyd@codeaurora.org \
    /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).