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Date: Tue, 13 Dec 2022 19:37:21 +0530
From: Sibi Sankar <quic_sibis@...cinc.com>
To: <andersson@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
<robh+dt@...nel.org>, <manivannan.sadhasivam@...aro.org>
CC: <agross@...nel.org>, <linux-arm-msm@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<konrad.dybcio@...ainline.org>, <amit.pundir@...aro.org>,
<regressions@...mhuis.info>, <sumit.semwal@...aro.org>,
<will@...nel.org>, <catalin.marinas@....com>,
<robin.murphy@....com>, Sibi Sankar <quic_sibis@...cinc.com>
Subject: [PATCH 1/4] arm64: dts: qcom: Introduce a carveout for modem metadata
Introduce a new carveout for modem metadata. This will serve as a
replacement for the memory region used by MSA to authenticate modem
ELF headers.
Signed-off-by: Sibi Sankar <quic_sibis@...cinc.com>
---
arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi | 6 ++++++
arch/arm64/boot/dts/qcom/msm8996.dtsi | 9 +++++++++
arch/arm64/boot/dts/qcom/msm8998.dtsi | 9 +++++++++
arch/arm64/boot/dts/qcom/sc7180-idp.dts | 7 ++++++-
arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 7 ++++++-
arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi | 7 ++++++-
arch/arm64/boot/dts/qcom/sdm845.dtsi | 9 +++++++++
7 files changed, 51 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi b/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi
index 5b47b8de69da..4242f8587c19 100644
--- a/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi
@@ -127,6 +127,12 @@
reg = <0x0 0xf6f00000 0x0 0x100000>;
no-map;
};
+
+ /delete-node/ memory@...00000;
+ mdata_mem: memory@...00000 {
+ reg = <0x0 0xf7100000 0x0 0x4000>;
+ no-map;
+ };
};
vph_pwr: vph-pwr-regulator {
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index cc65f52bb80f..3f5fb08e2341 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -462,6 +462,11 @@
reg = <0x0 0x91500000 0x0 0x200000>;
no-map;
};
+
+ mdata_mem: memory@...00000 {
+ reg = <0x0 0x91700000 0x0 0x4000>;
+ no-map;
+ };
};
rpm-glink {
@@ -2458,6 +2463,10 @@
memory-region = <&mpss_mem>;
};
+ metadata {
+ memory-region = <&mdata_mem>;
+ };
+
smd-edge {
interrupts = <GIC_SPI 449 IRQ_TYPE_EDGE_RISING>;
diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index 539382dab0ad..02e81fd5702d 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -59,6 +59,11 @@
qcom,vmid = <15>;
};
+ mdata_mem: memory@...00000 {
+ reg = <0x0 0x89100000 0x0 0x4000>;
+ no-map;
+ };
+
spss_mem: memory@...00000 {
reg = <0x0 0x8ab00000 0x0 0x700000>;
no-map;
@@ -1357,6 +1362,10 @@
memory-region = <&mpss_mem>;
};
+ metadata {
+ memory-region = <&mdata_mem>;
+ };
+
glink-edge {
interrupts = <GIC_SPI 452 IRQ_TYPE_EDGE_RISING>;
label = "modem";
diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
index b27b5f0e2b6b..ff0ef8bcba2f 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
+++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
@@ -80,6 +80,11 @@
reg = <0x0 0x94400000 0x0 0x200000>;
no-map;
};
+
+ mdata_mem: memory@...00000 {
+ reg = <0x0 0x94e00000 0x0 0x4000>;
+ no-map;
+ };
};
};
@@ -382,7 +387,7 @@
clock-names = "iface", "bus", "nav", "snoc_axi", "mnoc_axi", "xo";
iommus = <&apps_smmu 0x461 0x0>, <&apps_smmu 0x444 0x3>;
- memory-region = <&mba_mem &mpss_mem>;
+ memory-region = <&mba_mem>, <&mpss_mem>, <&mdata_mem>;
resets = <&aoss_reset AOSS_CC_MSS_RESTART>,
<&pdc_reset PDC_MODEM_SYNC_RESET>;
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
index d134d172a3c5..3f2e7175afd8 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
@@ -81,6 +81,11 @@
reg = <0x0 0x94400000 0x0 0x200000>;
no-map;
};
+
+ mdata_mem: memory@...00000 {
+ reg = <0x0 0x94e00000 0x0 0x4000>;
+ no-map;
+ };
};
aliases {
@@ -865,7 +870,7 @@ hp_i2c: &i2c9 {
clock-names = "iface", "bus", "nav", "snoc_axi", "mnoc_axi", "xo";
iommus = <&apps_smmu 0x461 0x0>, <&apps_smmu 0x444 0x3>;
- memory-region = <&mba_mem &mpss_mem>;
+ memory-region = <&mba_mem>, <&mpss_mem>, <&mdata_mem>;
/* This gets overridden for SKUs with LTE support. */
firmware-name = "qcom/sc7180-trogdor/modem-nolte/mba.mbn",
diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi
index bf522a64b172..bda0495aa0b5 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi
@@ -17,6 +17,11 @@
reg = <0x0 0x9c700000 0x0 0x200000>;
no-map;
};
+
+ mdata_mem: memory@...00000 {
+ reg = <0x0 0x9d100000 0x0 0x4000>;
+ no-map;
+ };
};
};
@@ -32,7 +37,7 @@
iommus = <&apps_smmu 0x124 0x0>, <&apps_smmu 0x488 0x7>;
interconnects = <&mc_virt MASTER_LLCC 0 &mc_virt SLAVE_EBI1 0>;
- memory-region = <&mba_mem>, <&mpss_mem>;
+ memory-region = <&mba_mem>, <&mpss_mem>, <&mdata_mem>;
firmware-name = "qcom/sc7280-herobrine/modem/mba.mbn",
"qcom/sc7280-herobrine/modem/qdsp6sw.mbn";
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 65032b94b46d..56050f35c232 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -122,6 +122,11 @@
qcom,vmid = <15>;
};
+ mdata_mem: memory@...00000 {
+ reg = <0 0x89700000 0 0x4000>;
+ no-map;
+ };
+
qseecom_mem: qseecom@...00000 {
reg = <0 0x8ab00000 0 0x1400000>;
no-map;
@@ -3283,6 +3288,10 @@
memory-region = <&mpss_region>;
};
+ metadata {
+ memory-region = <&mdata_mem>;
+ };
+
glink-edge {
interrupts = <GIC_SPI 449 IRQ_TYPE_EDGE_RISING>;
label = "modem";
--
2.17.1
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