arch/powerpc/boot/dts/fsp2.dts

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/dts/fsp2.dts

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/fsp2.dts
Extension
.dts
Size
13095 bytes
Lines
614
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/;

/ {
	#address-cells = <2>;
	#size-cells = <1>;
	model = "ibm,fsp2";
	compatible = "ibm,fsp2";
	dcr-parent = <&{/cpus/cpu@0}>;

	aliases {
		ethernet0 = &EMAC0;
		ethernet1 = &EMAC1;
		serial0 = &UART0;
	};

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

		cpu@0 {
			device_type = "cpu";
			model = "PowerPC, 476FSP2";
			reg = <0x0>;
			clock-frequency = <0>;    /* Filled in by cuboot */
			timebase-frequency = <0>; /* Filled in by cuboot */
			i-cache-line-size = <32>;
			d-cache-line-size = <32>;
			d-cache-size = <32768>;
			i-cache-size = <32768>;
			dcr-controller;
			dcr-access-method = "native";
		};
	};

	memory {
		device_type = "memory";
		reg = <0x00000000 0x00000000 0x00000000>; /* Filled in by
							     cuboot */
	};

	clocks {
		mmc_clk: mmc_clk {
			compatible = "fixed-clock";
			#clock-cells = <0>;
			clock-frequency = <50000000>;
			clock-output-names = "mmc_clk";
		};
	};

	UIC0: uic0 {
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;
		compatible = "ibm,uic";
		interrupt-controller;
		cell-index = <0>;
		dcr-reg = <0x2c0 0x8>;
	};

	/* "interrupts" field is <bit level bit level>
	   first pair is non-critical, second is critical */
	UIC1_0: uic1_0 {
		#address-cells = <0>;
		#size-cells = <0>;
		#interrupt-cells = <2>;

		compatible = "ibm,uic";
		interrupt-controller;
		cell-index = <1>;
		dcr-reg = <0x2c8 0x8>;

Annotation

Implementation Notes