arch/powerpc/boot/dts/fsl/b4si-post.dtsi

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/dts/fsl/b4si-post.dtsi

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/fsl/b4si-post.dtsi
Extension
.dtsi
Size
12122 bytes
Lines
488
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

&bman_fbpr {
	compatible = "fsl,bman-fbpr";
	alloc-ranges = <0 0 0x10000 0>;
};

&qman_fqd {
	compatible = "fsl,qman-fqd";
	alloc-ranges = <0 0 0x10000 0>;
};

&qman_pfdr {
	compatible = "fsl,qman-pfdr";
	alloc-ranges = <0 0 0x10000 0>;
};

&ifc {
	#address-cells = <2>;
	#size-cells = <1>;
	compatible = "fsl,ifc";
	interrupts = <25 2 0 0>;
};

/* controller at 0x200000 */
&pci0 {
	compatible = "fsl,b4-pcie", "fsl,qoriq-pcie-v2.4";
	device_type = "pci";
	#size-cells = <2>;
	#address-cells = <3>;
	bus-range = <0x0 0xff>;
	interrupts = <20 2 0 0>;
	fsl,iommu-parent = <&pamu0>;
	pcie@0 {
		#interrupt-cells = <1>;
		#size-cells = <2>;
		#address-cells = <3>;
		device_type = "pci";
		reg = <0 0 0 0 0>;
		interrupts = <20 2 0 0>;
		interrupt-map-mask = <0xf800 0 0 7>;
		interrupt-map = <
			/* IDSEL 0x0 */
			0000 0 0 1 &mpic 40 1 0 0
			0000 0 0 2 &mpic 1 1 0 0
			0000 0 0 3 &mpic 2 1 0 0
			0000 0 0 4 &mpic 3 1 0 0
			>;
	};
};

&dcsr {
	#address-cells = <1>;
	#size-cells = <1>;
	compatible = "fsl,dcsr", "simple-bus";

	dcsr-epu@0 {
		compatible = "fsl,b4-dcsr-epu", "fsl,dcsr-epu";
		interrupts = <52 2 0 0
			      84 2 0 0
			      85 2 0 0
			      94 2 0 0
			      95 2 0 0>;
		reg = <0x0 0x1000>;
	};
	dcsr-npc {
		compatible = "fsl,b4-dcsr-cnpc", "fsl,dcsr-cnpc";
		reg = <0x1000 0x1000 0x1002000 0x10000>;
	};
	dcsr-nxc@2000 {
		compatible = "fsl,dcsr-nxc";
		reg = <0x2000 0x1000>;

Annotation

Implementation Notes