arch/riscv/boot/dts/spacemit/k1.dtsi

Source file repositories/reference/linux-study-clean/arch/riscv/boot/dts/spacemit/k1.dtsi

File Facts

System
Linux kernel
Corpus path
arch/riscv/boot/dts/spacemit/k1.dtsi
Extension
.dtsi
Size
37274 bytes
Lines
1346
Domain
Architecture Layer
Bucket
arch/riscv
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

// SPDX-License-Identifier: GPL-2.0 OR MIT
/*
 * Copyright (C) 2024 Yangyu Chen <cyy@cyyself.name>
 */

#include <dt-bindings/clock/spacemit,k1-syscon.h>
#include <dt-bindings/phy/phy.h>

/dts-v1/;
/ {
	#address-cells = <2>;
	#size-cells = <2>;
	model = "SpacemiT K1";
	compatible = "spacemit,k1";

	cpus {
		#address-cells = <1>;
		#size-cells = <0>;
		timebase-frequency = <24000000>;

		cpu-map {
			cluster0 {
				core0 {
					cpu = <&cpu_0>;
				};
				core1 {
					cpu = <&cpu_1>;
				};
				core2 {
					cpu = <&cpu_2>;
				};
				core3 {
					cpu = <&cpu_3>;
				};
			};

			cluster1 {
				core0 {
					cpu = <&cpu_4>;
				};
				core1 {
					cpu = <&cpu_5>;
				};
				core2 {
					cpu = <&cpu_6>;
				};
				core3 {
					cpu = <&cpu_7>;
				};
			};
		};

		cpu_0: cpu@0 {
			compatible = "spacemit,x60", "riscv";
			device_type = "cpu";
			reg = <0>;
			riscv,isa = "rv64imafdcbv_zicbom_zicbop_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zba_zbb_zbc_zbs_zkt_zvfh_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt";
			riscv,isa-base = "rv64i";
			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "b", "v", "zicbom",
					       "zicbop", "zicboz", "zicntr", "zicond", "zicsr",
					       "zifencei", "zihintpause", "zihpm", "zfh", "zba",
					       "zbb", "zbc", "zbs", "zkt", "zvfh", "zvkt",
					       "sscofpmf", "sstc", "svinval", "svnapot", "svpbmt";
			riscv,cbom-block-size = <64>;
			riscv,cbop-block-size = <64>;
			riscv,cboz-block-size = <64>;
			i-cache-block-size = <64>;
			i-cache-size = <32768>;
			i-cache-sets = <128>;
			d-cache-block-size = <64>;

Annotation

Implementation Notes