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@xxxxxxxxxx>
---
Changes since v3:
- Added tcsr offsets
- Corrected node address of tcsr
arch/arm64/boot/dts/qcom/msm8916.dtsi | 2 ++
arch/arm64/boot/dts/qcom/msm8996.dtsi | 7 +++++++
2 files changed, 9 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index 039991f80831..ecc0775d78a9 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 = <&tcsr 0x6100>;
};
};
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 8f085716e258..a6d1d01df670 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 = <&tcsr 0x13000>;
};
};
@@ -287,6 +289,11 @@
reg = <0x740000 0x20000>;
};
+ tcsr: syscon@7a0000 {
+ compatible = "qcom,tcsr-msm8996", "syscon";
+ reg = <0x7a0000 0x18000>;
+ };
+
intc: interrupt-controller@9bc0000 {
compatible = "arm,gic-v3";
#interrupt-cells = <3>;
--
2.12.0
--
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