arch/powerpc/boot/dts/fsl/p1020rdb-pd.dts

Source file repositories/reference/linux-study-clean/arch/powerpc/boot/dts/fsl/p1020rdb-pd.dts

File Facts

System
Linux kernel
Corpus path
arch/powerpc/boot/dts/fsl/p1020rdb-pd.dts
Extension
.dts
Size
7189 bytes
Lines
293
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

/include/ "p1020si-pre.dtsi"
/ {
	model = "fsl,P1020RDB-PD";
	compatible = "fsl,P1020RDB-PD";

	memory {
		device_type = "memory";
	};

	lbc: localbus@ffe05000 {
		reg = <0x0 0xffe05000 0x0 0x1000>;

		/* NOR, NAND flash, L2 switch and CPLD */
		ranges = <0x0 0x0 0x0 0xec000000 0x04000000
			  0x1 0x0 0x0 0xff800000 0x00040000
			  0x2 0x0 0x0 0xffa00000 0x00020000
			  0x3 0x0 0x0 0xffb00000 0x00020000>;

		nor@0,0 {
			#address-cells = <1>;
			#size-cells = <1>;
			compatible = "cfi-flash";
			reg = <0x0 0x0 0x4000000>;
			bank-width = <2>;
			device-width = <1>;

			partition@0 {
				/* 128KB for DTB Image */
				reg = <0x0 0x00020000>;
				label = "NOR DTB Image";
			};

			partition@20000 {
				/* 3.875 MB for Linux Kernel Image */
				reg = <0x00020000 0x003e0000>;
				label = "NOR Linux Kernel Image";
			};

			partition@400000 {
				/* 58MB for Root file System */
				reg = <0x00400000 0x03a00000>;
				label = "NOR Root File System";
			};

			partition@3e00000 {
				/* This location must not be altered  */
				/* 1M for Vitesse 7385 Switch firmware */
				reg = <0x3e00000 0x00100000>;
				label = "NOR Vitesse-7385 Firmware";
				read-only;
			};

			partition@3f00000 {
				/* This location must not be altered  */
				/* 512KB for u-boot Bootloader Image */
				/* 512KB for u-boot Environment Variables */
				reg = <0x03f00000 0x00100000>;
				label = "NOR U-Boot Image";
				read-only;
			};
		};

		nand@1,0 {
			#address-cells = <1>;
			#size-cells = <1>;
			compatible = "fsl,p1020-fcm-nand",
				     "fsl,elbc-fcm-nand";
			reg = <0x1 0x0 0x40000>;

			partition@0 {

Annotation

Implementation Notes