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authorThomas Petazzoni <thomas.petazzoni@free-electrons.com>2013-05-15 15:36:56 +0200
committerJason Cooper <jason@lakedaemon.net>2013-05-27 18:02:11 +0200
commit670ee03ccc29b3a14c6cbe04241c903342442c23 (patch)
tree8f344458b708fa4174a533594a150e0a60b91b98 /arch/arm/boot
parentarm: kirkwood: move PCIe window init to legacy driver (diff)
downloadlinux-670ee03ccc29b3a14c6cbe04241c903342442c23.tar.xz
linux-670ee03ccc29b3a14c6cbe04241c903342442c23.zip
arm: kirkwood: add SoC-level Device Tree data for PCIe interfaces
This commit adds Device Tree details to enable the PCIe interfaces on Kirkwood. The 6281 has one PCIe interface, the 6282 has two PCIe interfaces. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Tested-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'arch/arm/boot')
-rw-r--r--arch/arm/boot/dts/kirkwood-6281.dtsi31
-rw-r--r--arch/arm/boot/dts/kirkwood-6282.dtsi48
-rw-r--r--arch/arm/boot/dts/kirkwood.dtsi1
3 files changed, 80 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/kirkwood-6281.dtsi b/arch/arm/boot/dts/kirkwood-6281.dtsi
index d6c9d65cbaeb..51376683dbcd 100644
--- a/arch/arm/boot/dts/kirkwood-6281.dtsi
+++ b/arch/arm/boot/dts/kirkwood-6281.dtsi
@@ -40,5 +40,36 @@
marvell,function = "sdio";
};
};
+
+ pcie-controller {
+ compatible = "marvell,kirkwood-pcie";
+ status = "disabled";
+ device_type = "pci";
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ bus-range = <0x00 0xff>;
+
+ ranges = <0x82000000 0 0x00040000 0x00040000 0 0x00002000 /* Port 0.0 registers */
+ 0x82000000 0 0xe0000000 0xe0000000 0 0x08000000 /* non-prefetchable memory */
+ 0x81000000 0 0 0xe8000000 0 0x00100000>; /* downstream I/O */
+
+ pcie@1,0 {
+ device_type = "pci";
+ assigned-addresses = <0x82000800 0 0x00040000 0 0x2000>;
+ reg = <0x0800 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ ranges;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &intc 9>;
+ marvell,pcie-port = <0>;
+ marvell,pcie-lane = <0>;
+ clocks = <&gate_clk 2>;
+ status = "disabled";
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/kirkwood-6282.dtsi b/arch/arm/boot/dts/kirkwood-6282.dtsi
index 23991e45bc55..66a751ab5516 100644
--- a/arch/arm/boot/dts/kirkwood-6282.dtsi
+++ b/arch/arm/boot/dts/kirkwood-6282.dtsi
@@ -65,5 +65,53 @@
clocks = <&gate_clk 7>;
status = "disabled";
};
+
+ pcie-controller {
+ compatible = "marvell,kirkwood-pcie";
+ status = "disabled";
+ device_type = "pci";
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ bus-range = <0x00 0xff>;
+
+ ranges = <0x82000000 0 0x00040000 0x00040000 0 0x00002000 /* Port 0.0 registers */
+ 0x82000000 0 0x00044000 0x00044000 0 0x00002000 /* Port 1.0 registers */
+ 0x82000000 0 0xe0000000 0xe0000000 0 0x08000000 /* non-prefetchable memory */
+ 0x81000000 0 0 0xe8000000 0 0x00100000>; /* downstream I/O */
+
+ pcie@1,0 {
+ device_type = "pci";
+ assigned-addresses = <0x82000800 0 0x00040000 0 0x2000>;
+ reg = <0x0800 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ ranges;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &intc 9>;
+ marvell,pcie-port = <0>;
+ marvell,pcie-lane = <0>;
+ clocks = <&gate_clk 2>;
+ status = "disabled";
+ };
+
+ pcie@2,0 {
+ device_type = "pci";
+ assigned-addresses = <0x82001000 0 0x00044000 0 0x2000>;
+ reg = <0x1000 0 0 0 0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+ ranges;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 0 &intc 10>;
+ marvell,pcie-port = <1>;
+ marvell,pcie-lane = <0>;
+ clocks = <&gate_clk 18>;
+ status = "disabled";
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi
index fada7e6d24d8..7eef88f00fea 100644
--- a/arch/arm/boot/dts/kirkwood.dtsi
+++ b/arch/arm/boot/dts/kirkwood.dtsi
@@ -19,6 +19,7 @@
ocp@f1000000 {
compatible = "simple-bus";
ranges = <0x00000000 0xf1000000 0x4000000
+ 0xe0000000 0xe0000000 0x8100000 /* PCIE */
0xf5000000 0xf5000000 0x0000400>;
#address-cells = <1>;
#size-cells = <1>;