diff mbox series

[v3,4/5] MIPS: DTS: Loongson64: Add PCI Controller Node

Message ID 20200413053222.3976680-4-jiaxun.yang@flygoat.com
State New
Headers show
Series [v3,1/5] PCI: OF: Don't remap iospace on unsupported platform | expand

Commit Message

Jiaxun Yang April 13, 2020, 5:32 a.m. UTC
Add PCI Host controller node for Loongson64 with RS780E PCH dts.
Note that PCI interrupts are probed via legacy way, as different
machine have different interrupt arrangement, we can't cover all
of them in dt.

Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
--
v2: Clean-up
---
 arch/mips/boot/dts/loongson/rs780e-pch.dtsi | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/mips/boot/dts/loongson/rs780e-pch.dtsi b/arch/mips/boot/dts/loongson/rs780e-pch.dtsi
index 45c54d555fa4..8766f97306c6 100644
--- a/arch/mips/boot/dts/loongson/rs780e-pch.dtsi
+++ b/arch/mips/boot/dts/loongson/rs780e-pch.dtsi
@@ -5,10 +5,25 @@  bus@10000000 {
 		compatible = "simple-bus";
 		#address-cells = <2>;
 		#size-cells = <2>;
-		ranges = <0 0x10000000 0 0x10000000 0 0x10000000
+		ranges = <0 0x00000000 0 0x00000000 0 0x00010000 /* ioports */
+				0 0x10000000 0 0x10000000 0 0x10000000
 				0 0x40000000 0 0x40000000 0 0x40000000
 				0xfd 0xfe000000 0xfd 0xfe000000  0 0x2000000 /* PCI Config Space */>;
 
+		pci@1a000000 {
+			compatible = "loongson,rs780e-pci";
+			device_type = "pci";
+			#address-cells = <3>;
+			#size-cells = <2>;
+
+			reg = <0 0x1a000000 0 0x02000000>;
+
+			ranges = <0x01000000 0 0x00004000 0 0x00004000 0 0x00004000>,
+				 <0x02000000 0 0x40000000 0 0x40000000 0 0x40000000>;
+
+			bus-range = <0x00 0xff>;
+		};
+
 		isa {
 			compatible = "isa";
 			#address-cells = <2>;