linux-kernel - [PATCH v2 3/3] arm64: dts: qcom: Specify dload address for msm8916 and msm8996

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Date:   Fri, 26 May 2017 23:33:08 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Andy Gross <andy.gross@...aro.org>
Cc:     Stephen Boyd <sboyd@...eaurora.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        David Brown <david.brown@...aro.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-soc@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH v2 3/3] arm64: dts: qcom: Specify dload address for msm8916 and msm8996

On msm8916 and msm8996 boards a secure io-write is used to write the
magic for selecting "download mode", specify this address in the
DeviceTree.

Note that qcom_scm.download_mode=1 must be specified on the kernel
command line for the kernel to attempt selecting download mode.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---

Changes since v1:
- Add msm8916 to the patch

 arch/arm64/boot/dts/qcom/msm8916.dtsi | 2 ++
 arch/arm64/boot/dts/qcom/msm8996.dtsi | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index ab3093995ded..33013835639d 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -241,6 +241,8 @@
 			clocks = <&gcc GCC_CRYPTO_CLK>, <&gcc GCC_CRYPTO_AXI_CLK>, <&gcc GCC_CRYPTO_AHB_CLK>;
 			clock-names = "core", "bus", "iface";
 			#reset-cells = <1>;
+
+			qcom,dload-mode-addr = <0x0 0x193d100>;
 		};
 	};
 
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 9bc9c857a000..7e64884ab7c7 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -261,6 +261,8 @@
 	firmware {
 		scm {
 			compatible = "qcom,scm-msm8996";
+
+			qcom,dload-mode-addr = <0x0 0x7b3000>;
 		};
 	};
 
-- 
2.12.0