arch/powerpc/boot/dts/currituck.dts

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/dts/currituck.dts

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/currituck.dts
Extension
.dts
Size
7459 bytes
Lines
243
Domain
Architecture Layer
Bucket
arch/powerpc
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

/dts-v1/;

/memreserve/ 0x01f00000 0x00100000;	// spin table

/ {
	#address-cells = <2>;
	#size-cells = <2>;
	model = "ibm,currituck";
	compatible = "ibm,currituck";
	dcr-parent = <&{/cpus/cpu@0}>;

	aliases {
		serial0 = &UART0;
	};

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;

		cpu@0 {
			device_type = "cpu";
			model = "PowerPC,476";
			reg = <0>;
			clock-frequency = <1600000000>; // 1.6 GHz
			timebase-frequency = <100000000>; // 100Mhz
			i-cache-line-size = <32>;
			d-cache-line-size = <32>;
			i-cache-size = <32768>;
			d-cache-size = <32768>;
			dcr-controller;
			dcr-access-method = "native";
			status = "okay";
		};
		cpu@1 {
			device_type = "cpu";
			model = "PowerPC,476";
			reg = <1>;
			clock-frequency = <1600000000>; // 1.6 GHz
			timebase-frequency = <100000000>; // 100Mhz
			i-cache-line-size = <32>;
			d-cache-line-size = <32>;
			i-cache-size = <32768>;
			d-cache-size = <32768>;
			dcr-controller;
			dcr-access-method = "native";
			status = "disabled";
			enable-method = "spin-table";
			cpu-release-addr = <0x0 0x01f00000>;
		};
	};

	memory {
		device_type = "memory";
		reg = <0x0 0x0 0x0 0x0>; // filled in by zImage
	};

	MPIC: interrupt-controller {
		compatible = "chrp,open-pic";
		interrupt-controller;
		dcr-reg = <0xffc00000 0x00040000>;
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;

	};

	plb {
		compatible = "ibm,plb6";
		#address-cells = <2>;
		#size-cells = <2>;

Annotation

Implementation Notes