From: Niklas Cassel <[email protected]>
Add PCIe support to the ARTPEC-6 SoC. This uses the existing
pcie-artpec6 driver.
So, all that is needed is device tree entries in the DTS.
Signed-off-by: Niklas Cassel <[email protected]>
---
arch/arm/boot/dts/artpec6-devboard.dts | 4 ++++
arch/arm/boot/dts/artpec6.dtsi | 29 ++++++++++++++++++++++++++++-
2 files changed, 32 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/artpec6-devboard.dts b/arch/arm/boot/dts/artpec6-devboard.dts
index f823ed3..9dfe845 100644
--- a/arch/arm/boot/dts/artpec6-devboard.dts
+++ b/arch/arm/boot/dts/artpec6-devboard.dts
@@ -46,6 +46,10 @@
status = "okay";
};
+&pcie {
+ status = "okay";
+};
+
ðernet {
status = "okay";
diff --git a/arch/arm/boot/dts/artpec6.dtsi b/arch/arm/boot/dts/artpec6.dtsi
index 3fac4c4..effaa4a 100644
--- a/arch/arm/boot/dts/artpec6.dtsi
+++ b/arch/arm/boot/dts/artpec6.dtsi
@@ -66,7 +66,7 @@
};
};
- syscon {
+ syscon: syscon@f8000000 {
compatible = "axis,artpec6-syscon", "syscon";
reg = <0xf8000000 0x48>;
};
@@ -145,6 +145,33 @@
interrupt-parent = <&intc>;
};
+ pcie: pcie@f8050000 {
+ compatible = "axis,artpec6-pcie", "snps,dw-pcie";
+ reg = <0xf8050000 0x2000
+ 0xf8040000 0x1000
+ 0xc0000000 0x2000>;
+ reg-names = "dbi", "phy", "config";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ /* downstream I/O */
+ ranges = <0x81000000 0 0 0xc0002000 0 0x00010000
+ /* non-prefetchable memory */
+ 0x82000000 0 0xc0012000 0xc0012000 0 0x1ffee000>;
+ num-lanes = <2>;
+ bus-range = <0x00 0xff>;
+ interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &intc GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &intc GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &intc GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &intc GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
+ axis,syscon-pcie = <&syscon>;
+ status = "disabled";
+ };
+
amba@0 {
compatible = "simple-bus";
#address-cells = <0x1>;
--
2.1.4