arch/arm/boot/dts/aspeed/aspeed-bmc-nvidia-msx4-bmc.dts

// SPDX-License-Identifier: GPL-2.0
/dts-v1/;

#include "aspeed-g6.dtsi"
#include <dt-bindings/gpio/aspeed-gpio.h>
#include <dt-bindings/i2c/i2c.h>

/ {
	model = "AST2600 MSX4 BMC";
	compatible = "nvidia,msx4-bmc", "aspeed,ast2600";

	aliases {
		serial0 = &uart1;
		serial1 = &uart2;
		serial2 = &uart3;
		serial3 = &uart4;
		serial4 = &uart5;
	};

	chosen {
		stdout-path = "uart5:115200n8";
	};

	memory@80000000 {
		device_type = "memory";
		reg = <0x80000000 0x80000000>;
	};

	reserved-memory {
		#address-cells = <1>;
		#size-cells = <1>;
		ranges;

		gfx_memory: framebuffer {
			compatible = "shared-dma-pool";
			size = <0x01000000>;
			alignment = <0x01000000>;
			reusable;
		};

		video_engine_memory: jpegbuffer {
			compatible = "shared-dma-pool";
			size = <0x02000000>;	/* 32M */
			alignment = <0x01000000>;
			reusable;
		};
	};
};

&ehci1 {
	status = "okay";
};

&fmc {
	status = "okay";

	flash@0 {
		compatible = "jedec,spi-nor";
		label = "bmc";
		status = "okay";
		#include "openbmc-flash-layout-128.dtsi"
	};

	flash@1 {
		compatible = "jedec,spi-nor";
		label = "alt-bmc";
		spi-tx-bus-width = <1>;
		spi-rx-bus-width = <1>;
		status = "okay";
		#include "openbmc-flash-layout-128-alt.dtsi"
	};
};

&gfx {
	memory-region = <&gfx_memory>;
	status = "okay";
};

&gpio0 {
	gpio-line-names =
	/*A0-A7*/	"","","","","","","","",
	/*B0-B7*/	"ASSERT_BMC_READY","","","","","","","",
	/*C0-C7*/	"MON_PWR_GOOD","","","","","","","FP_ID_LED_N",
	/*D0-D7*/	"","","","","","","","",
	/*E0-E7*/	"","","","","","","","",
	/*F0-F7*/	"","","","","","","","",
	/*G0-G7*/	"","","FP_LED_STATUS_GREEN_N","FP_LED_STATUS_AMBER_N",
			"","","","",
	/*H0-H7*/	"","","","","","","","",
	/*I0-I7*/	"","","","","","","","",
	/*J0-J7*/	"","","","","","","","",
	/*K0-K7*/	"","","","","","","","",
	/*L0-L7*/	"","","","","","","","",
	/*M0-M7*/	"","","","","","","","",
	/*N0-N7*/	"","","","","","","","",
	/*O0-O7*/	"","","","","","","","",
	/*P0-P7*/	"MON_PWR_BTN_L","ASSERT_PWR_BTN_L","MON_RST_BTN_L",
			"ASSERT_RST_BTN_L","","ASSERT_NMI_BTN_L","","",
	/*Q0-Q7*/	"","","MEMORY_HOT_0","MEMORY_HOT_1","","","","",
	/*R0-R7*/	"ID_BTN","","","","","VBAT_GPIO","","",
	/*S0-S7*/	"","","RST_PCA_MUX","","","","","",
	/*T0-T7*/	"","","","","","","","",
	/*U0-U7*/	"","","","","","","","",
	/*V0-V7*/	"","","","","","","","",
	/*W0-W7*/	"","","","","","","","",
	/*X0-X7*/	"","","","","","","","",
	/*Y0-Y7*/	"","","","","","","","",
	/*Z0-Z7*/	"","","","","","","","";
};

&gpio1 {
	gpio-line-names =
	/*18A0-18A7*/ "","","","","","","","",
	/*18B0-18B7*/ "","","","","","","","",
	/*18C0-18C7*/ "","","","","","","","",
	/*18D0-18D7*/ "","","","","","","","",
	/*18E0-18E3*/ "","","BMC_INIT_DONE","";
};

// Devices on these busses are available after POST
// however there isn't a great way to defer probing
// until that point today, as the BMC doesn't
// have direct control over when the host completes
// POST, especially from the kernel.
&i2c0 {
	status = "okay";
};

&i2c1 {
	status = "okay";
};

&i2c2 {
	status = "okay";
};

&i2c3 {
	status = "okay";
};

&i2c4 {
	status = "okay";

	eeprom@51 {
		compatible = "atmel,24c256";
		reg = <0x51>;
		pagesize = <64>;
		label = "sku";
	};
};

&i2c5 {
	status = "okay";
};

&i2c6 {
	status = "okay";
};

&i2c7 {
	status = "okay";
};

&i2c8 {
	status = "okay";
};

&i2c9 {
	status = "okay";
};

&i2c10 {
	status = "okay";
};

&i2c11 {
	status = "okay";
};

&i2c12 {
	status = "okay";
};

&i2c13 {
	status = "okay";
};

&i2c15 {
	status = "okay";
};

&kcs1 {
	aspeed,lpc-io-reg = <0xca0>;
	status = "okay";
};

&kcs2 {
	aspeed,lpc-io-reg = <0xca8>;
	status = "okay";
};

&kcs3 {
	aspeed,lpc-io-reg = <0xca2>;
	status = "okay";
};

&lpc_reset {
	status = "okay";
};

&rtc {
	status = "okay";
};

&sgpiom0 {
	ngpios = <80>;
	status = "okay";
};

&uart_routing {
	status = "okay";
};

&uart1 {
	status = "okay";
};

&uart2 {
	status = "okay";
};

&uart3 {
	status = "okay";
};

&uart4 {
	status = "okay";
};

&uart5 {
	status = "okay";
};

&video {
	memory-region = <&video_engine_memory>;
	status = "okay";
};