arch/powerpc/boot/dts/microwatt.dts

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

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/microwatt.dts
Extension
.dts
Size
5285 bytes
Lines
256
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/;
#include <dt-bindings/gpio/gpio.h>

/ {
	#size-cells = <0x02>;
	#address-cells = <0x02>;
	model = "microwatt";
	compatible = "microwatt-soc";

	aliases {
		serial0 = &UART0;
		ethernet = &enet0;
	};

	reserved-memory {
		#size-cells = <0x02>;
		#address-cells = <0x02>;
		ranges;
	};

	memory@0 {
		device_type = "memory";
		reg = <0x00000000 0x00000000 0x00000000 0x10000000>;
	};

	clocks {
		sys_clk: litex_sys_clk {
			#clock-cells = <0>;
			compatible = "fixed-clock";
			clock-frequency = <100000000>;
		};
	};

	cpus {
		#size-cells = <0x00>;
		#address-cells = <0x01>;

		ibm,powerpc-cpu-features {
			display-name = "Microwatt";
			isa = <3100>;
			device_type = "cpu-features";
			compatible = "ibm,powerpc-cpu-features";

			mmu-radix {
				isa = <3000>;
				usable-privilege = <6>;
				os-support = <0>;
			};

			little-endian {
				isa = <0>;
				usable-privilege = <7>;
				os-support = <0>;
				hwcap-bit-nr = <1>;
			};

			cache-inhibited-large-page {
				isa = <0>;
				usable-privilege = <6>;
				os-support = <0>;
			};

			fixed-point-v3 {
				isa = <3000>;
				usable-privilege = <7>;
			};

			no-execute {
				isa = <0x00>;
				usable-privilege = <2>;

Annotation

Implementation Notes