[PATCH u-boot v2 2/2] arch: arm: dts: Add dts for the nvidia msx4 board

Marc Olberding molberding at nvidia.com
Wed Dec 3 10:52:41 AEDT 2025


Adds a dts for the nvidia msx4 board, a granite rapids based motherboard

Signed-off-by: Marc Olberding <molberding at nvidia.com>
---
 arch/arm/dts/Makefile                    |   1 +
 arch/arm/dts/ast2600-msx4-bmc-nvidia.dts | 112 +++++++++++++++++++++++++++++++
 2 files changed, 113 insertions(+)

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index dbb2fafc4f4c13302a02875cd678477ab95334cb..aebc5b60abc6b267669650be098315f5d5715074 100755
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -689,6 +689,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
 	ast2600-facebook.dtb \
 	ast2600-fpga.dtb \
 	ast2600-gb200nvl-bmc-nvidia.dtb \
+        ast2600-msx4-bmc-nvidia.dtb \
 	ast2600-greatlakes.dtb \
 	ast2600-intel.dtb \
 	ast2600-intel.dtb \
diff --git a/arch/arm/dts/ast2600-msx4-bmc-nvidia.dts b/arch/arm/dts/ast2600-msx4-bmc-nvidia.dts
new file mode 100644
index 0000000000000000000000000000000000000000..3f5146c65dec3ec569cd46745a13be5466f7218c
--- /dev/null
+++ b/arch/arm/dts/ast2600-msx4-bmc-nvidia.dts
@@ -0,0 +1,112 @@
+// SPDX-License-Identifier: GPL-2.0+
+/dts-v1/;
+
+#include "ast2600-u-boot.dtsi"
+
+/ {
+	model = "AST2600 MSX4 BMC";
+	compatible = "aspeed,ast2600-msx4", "aspeed,ast2600";
+
+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x40000000>;
+	};
+
+	chosen {
+		stdout-path = &uart5;
+	};
+
+	aliases {
+		spi0 = &fmc;
+		ethernet0 = &mac0;
+	};
+
+	cpus {
+		cpu at 0 {
+			clock-frequency = <800000000>;
+		};
+		cpu at 1 {
+			clock-frequency = <800000000>;
+		};
+	};
+};
+
+&display_port {
+	status = "okay";
+};
+
+&fmc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_fmcquad_default>;
+	aspeed,watchdog-disable;
+	status = "okay";
+
+	flash at 0 {
+		status = "okay";
+		spi-max-frequency = <10000000>;
+		spi-tx-bus-width = <2>;
+		spi-rx-bus-width = <2>;
+	};
+
+	flash at 1 {
+		status = "okay";
+		spi-max-frequency = <10000000>;
+		spi-tx-bus-width = <1>;
+		spi-rx-bus-width = <1>;
+	};
+};
+
+&hace {
+	status = "okay";
+};
+
+&mac0 {
+	phy-mode = "rgmii";
+	phy-handle = <&ethphy3>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_rgmii1_default>;
+	status = "okay";
+};
+
+&mdio {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_mdio4_default>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	ethphy3: ethernet-phy at 0 {
+		compatible = "ethernet-phy-ieee802.3-c22";
+		reg = <2>;
+	};
+};
+
+&scu {
+	mac0-clk-delay = <0x1d 0x0a
+			  0x1d 0x0a
+			  0x1d 0x0a>;
+};
+
+&sdrammc {
+	clock-frequency = <400000000>;
+	aspeed,ecc-enabled;
+	aspeed,ecc-size-mb = <0>;
+};
+
+&uart5 {
+	u-boot,dm-pre-reloc;
+	status = "okay";
+};
+
+&wdt1 {
+	status = "okay";
+};
+
+&wdt2 {
+	status = "okay";
+};
+
+&wdt3 {
+	status = "okay";
+};

-- 
2.34.1



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