Add descriptions of the SMMUs that cover the SATA controller(s)
on the AMD Seattle SOC. The CCP crypto accelerator shares its
SMMU with the second SATA controller, which is only enabled on
B1 silicon.
Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
---
arch/arm64/boot/dts/amd/amd-overdrive-rev-b0.dts | 4 ++++
arch/arm64/boot/dts/amd/amd-overdrive-rev-b1.dts | 5 +++++
arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi | 22 ++++++++++++++++++++
3 files changed, 31 insertions(+)
diff --git a/arch/arm64/boot/dts/amd/amd-overdrive-rev-b0.dts b/arch/arm64/boot/dts/amd/amd-overdrive-rev-b0.dts
index 8e341be9a399..be8db5758c94 100644
--- a/arch/arm64/boot/dts/amd/amd-overdrive-rev-b0.dts
+++ b/arch/arm64/boot/dts/amd/amd-overdrive-rev-b0.dts
@@ -60,6 +60,10 @@
status = "ok";
};
+&sata0 {
+ iommus = <&sata0_smmu 0x0a>, <&sata0_smmu 0x0b>, <&sata0_smmu 0x1a>;
+};
+
&spi0 {
status = "ok";
};
diff --git a/arch/arm64/boot/dts/amd/amd-overdrive-rev-b1.dts b/arch/arm64/boot/dts/amd/amd-overdrive-rev-b1.dts
index 92cef05c6b74..1661544eb0af 100644
--- a/arch/arm64/boot/dts/amd/amd-overdrive-rev-b1.dts
+++ b/arch/arm64/boot/dts/amd/amd-overdrive-rev-b1.dts
@@ -60,7 +60,12 @@
status = "ok";
};
+&sata0 {
+ iommus = <&sata0_smmu 0x0e>, <&sata0_smmu 0x0f>, <&sata0_smmu 0x1e>;
+};
+
&sata1 {
+ iommus = <&sata1_smmu 0x0e>, <&sata1_smmu 0x0f>, <&sata1_smmu 0x1e>;
status = "ok";
};
diff --git a/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi
index 7484ea695262..eac241c98ff0 100644
--- a/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi
+++ b/arch/arm64/boot/dts/amd/amd-seattle-soc.dtsi
@@ -83,6 +83,24 @@
dma-coherent;
};
+ sata0_smmu: smmu@e0200000 {
+ compatible = "arm,mmu-401";
+ reg = <0 0xe0200000 0 0x10000>;
+ #global-interrupts = <1>;
+ interrupts = <0 332 4>, <0 332 4>;
+ #iommu-cells = <1>;
+ dma-coherent;
+ };
+
+ sata1_smmu: smmu@e0c00000 {
+ compatible = "arm,mmu-401";
+ reg = <0 0xe0c00000 0 0x10000>;
+ #global-interrupts = <1>;
+ interrupts = <0 331 4>, <0 331 4>;
+ #iommu-cells = <1>;
+ dma-coherent;
+ };
+
i2c0: i2c@e1000000 {
status = "disabled";
compatible = "snps,designware-i2c";
@@ -201,6 +219,10 @@
reg = <0 0xe0100000 0 0x10000>;
interrupts = <0 3 4>;
dma-coherent;
+ iommus = <&sata1_smmu 0x00>,
+ <&sata1_smmu 0x02>,
+ <&sata1_smmu 0x40>,
+ <&sata1_smmu 0x42>;
};
pcie0: pcie@f0000000 {
--
2.17.1
