[PATCH v2 4/7] riscv: sophgo: dts: add PCIe controllers for SG2042
Chen Wang
unicornxw at gmail.com
Tue Sep 9 19:09:13 PDT 2025
From: Chen Wang <unicorn_wang at outlook.com>
Add PCIe controller nodes in DTS for Sophgo SG2042.
Default they are disabled.
Signed-off-by: Inochi Amaoto <inochiama at gmail.com>
Signed-off-by: Han Gao <rabenda.cn at gmail.com>
Signed-off-by: Chen Wang <unicorn_wang at outlook.com>
---
arch/riscv/boot/dts/sophgo/sg2042.dtsi | 88 ++++++++++++++++++++++++++
1 file changed, 88 insertions(+)
diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
index b3e4d3c18fdc..b521f674283e 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
@@ -220,6 +220,94 @@ clkgen: clock-controller at 7030012000 {
#clock-cells = <1>;
};
+ pcie_rc0: pcie at 7060000000 {
+ compatible = "sophgo,sg2042-pcie-host";
+ device_type = "pci";
+ reg = <0x70 0x60000000 0x0 0x00800000>,
+ <0x40 0x00000000 0x0 0x00001000>;
+ reg-names = "reg", "cfg";
+ linux,pci-domain = <0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x01000000 0x0 0xc0000000 0x40 0xc0000000 0x0 0x00400000>,
+ <0x42000000 0x0 0xd0000000 0x40 0xd0000000 0x0 0x10000000>,
+ <0x02000000 0x0 0xe0000000 0x40 0xe0000000 0x0 0x20000000>,
+ <0x43000000 0x42 0x00000000 0x42 0x00000000 0x2 0x00000000>,
+ <0x03000000 0x41 0x00000000 0x41 0x00000000 0x1 0x00000000>;
+ bus-range = <0x0 0xff>;
+ vendor-id = <0x1f1c>;
+ device-id = <0x2042>;
+ cdns,no-bar-match-nbits = <48>;
+ msi-parent = <&msi>;
+ status = "disabled";
+ };
+
+ pcie_rc1: pcie at 7060800000 {
+ compatible = "sophgo,sg2042-pcie-host";
+ device_type = "pci";
+ reg = <0x70 0x60800000 0x0 0x00800000>,
+ <0x44 0x00000000 0x0 0x00001000>;
+ reg-names = "reg", "cfg";
+ linux,pci-domain = <1>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x01000000 0x0 0xc0400000 0x44 0xc0400000 0x0 0x00400000>,
+ <0x42000000 0x0 0xd0000000 0x44 0xd0000000 0x0 0x10000000>,
+ <0x02000000 0x0 0xe0000000 0x44 0xe0000000 0x0 0x20000000>,
+ <0x43000000 0x46 0x00000000 0x46 0x00000000 0x2 0x00000000>,
+ <0x03000000 0x45 0x00000000 0x45 0x00000000 0x1 0x00000000>;
+ bus-range = <0x0 0xff>;
+ vendor-id = <0x1f1c>;
+ device-id = <0x2042>;
+ cdns,no-bar-match-nbits = <48>;
+ msi-parent = <&msi>;
+ status = "disabled";
+ };
+
+ pcie_rc2: pcie at 7062000000 {
+ compatible = "sophgo,sg2042-pcie-host";
+ device_type = "pci";
+ reg = <0x70 0x62000000 0x0 0x00800000>,
+ <0x48 0x00000000 0x0 0x00001000>;
+ reg-names = "reg", "cfg";
+ linux,pci-domain = <2>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x01000000 0x0 0xc0800000 0x48 0xc0800000 0x0 0x00400000>,
+ <0x42000000 0x0 0xd0000000 0x48 0xd0000000 0x0 0x10000000>,
+ <0x02000000 0x0 0xe0000000 0x48 0xe0000000 0x0 0x20000000>,
+ <0x03000000 0x49 0x00000000 0x49 0x00000000 0x1 0x00000000>,
+ <0x43000000 0x4a 0x00000000 0x4a 0x00000000 0x2 0x00000000>;
+ bus-range = <0x0 0xff>;
+ vendor-id = <0x1f1c>;
+ device-id = <0x2042>;
+ cdns,no-bar-match-nbits = <48>;
+ msi-parent = <&msi>;
+ status = "disabled";
+ };
+
+ pcie_rc3: pcie at 7062800000 {
+ compatible = "sophgo,sg2042-pcie-host";
+ device_type = "pci";
+ reg = <0x70 0x62800000 0x0 0x00800000>,
+ <0x4c 0x00000000 0x0 0x00001000>;
+ reg-names = "reg", "cfg";
+ linux,pci-domain = <3>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x01000000 0x0 0xc0c00000 0x4c 0xc0c00000 0x0 0x00400000>,
+ <0x42000000 0x0 0xf8000000 0x4c 0xf8000000 0x0 0x04000000>,
+ <0x02000000 0x0 0xfc000000 0x4c 0xfc000000 0x0 0x04000000>,
+ <0x43000000 0x4e 0x00000000 0x4e 0x00000000 0x2 0x00000000>,
+ <0x03000000 0x4d 0x00000000 0x4d 0x00000000 0x1 0x00000000>;
+ bus-range = <0x0 0xff>;
+ vendor-id = <0x1f1c>;
+ device-id = <0x2042>;
+ cdns,no-bar-match-nbits = <48>;
+ msi-parent = <&msi>;
+ status = "disabled";
+ };
+
clint_mswi: interrupt-controller at 7094000000 {
compatible = "sophgo,sg2042-aclint-mswi", "thead,c900-aclint-mswi";
reg = <0x00000070 0x94000000 0x00000000 0x00004000>;
--
2.34.1
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