// SPDX-License-Identifier: GPL-2.0 #include "bcm283x.dtsi" #include "bcm2835-common.dtsi" #include "bcm2835-rpi-common.dtsi" / { compatible = "brcm,bcm2835"; cpus { #address-cells = <1>; #size-cells = <0>; cpu@0 { device_type = "cpu"; compatible = "arm,arm1176jzf-s"; reg = <0x0>; /* Source for d/i-cache-line-size and d/i-cache-sets * https://developer.arm.com/documentation/ddi0301 * /h/level-one-memory-system/cache-organization?lang=en * * Source for d/i-cache-size * https://forums.raspberrypi.com/viewtopic.php?t=98428 * * NOTE: The BCM2835 has a L2 cache but it is dedicated to the GPU * It can be shared with the CPU through fw settings, * but this is not recommended. */ d-cache-size = <0x4000>; d-cache-line-size = <16>; d-cache-sets = <256>; // 16KiB(size)/16(line-size)=1024ways/4-way set i-cache-size = <0x4000>; i-cache-line-size = <16>; i-cache-sets = <256>; // 16KiB(size)/16(line-size)=1024ways/4-way set }; }; soc { ranges = <0x7e000000 0x20000000 0x02000000>; dma-ranges = <0x40000000 0x00000000 0x20000000>; }; arm-pmu { compatible = "arm,arm1176-pmu"; }; }; &cpu_thermal { coefficients = <(-538) 407000>; }; /* enable thermal sensor with the correct compatible property set */ &thermal { compatible = "brcm,bcm2835-thermal"; status = "okay"; };