162306a36Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 262306a36Sopenharmony_ci#include "bcm283x.dtsi" 362306a36Sopenharmony_ci#include "bcm2835-common.dtsi" 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci/ { 662306a36Sopenharmony_ci compatible = "brcm,bcm2835"; 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci cpus { 962306a36Sopenharmony_ci #address-cells = <1>; 1062306a36Sopenharmony_ci #size-cells = <0>; 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci cpu@0 { 1362306a36Sopenharmony_ci device_type = "cpu"; 1462306a36Sopenharmony_ci compatible = "arm,arm1176jzf-s"; 1562306a36Sopenharmony_ci reg = <0x0>; 1662306a36Sopenharmony_ci /* Source for d/i-cache-line-size and d/i-cache-sets 1762306a36Sopenharmony_ci * https://developer.arm.com/documentation/ddi0301 1862306a36Sopenharmony_ci * /h/level-one-memory-system/cache-organization?lang=en 1962306a36Sopenharmony_ci * 2062306a36Sopenharmony_ci * Source for d/i-cache-size 2162306a36Sopenharmony_ci * https://forums.raspberrypi.com/viewtopic.php?t=98428 2262306a36Sopenharmony_ci * 2362306a36Sopenharmony_ci * NOTE: The BCM2835 has a L2 cache but it is dedicated to the GPU 2462306a36Sopenharmony_ci * It can be shared with the CPU through fw settings, 2562306a36Sopenharmony_ci * but this is not recommended. 2662306a36Sopenharmony_ci */ 2762306a36Sopenharmony_ci d-cache-size = <0x4000>; 2862306a36Sopenharmony_ci d-cache-line-size = <16>; 2962306a36Sopenharmony_ci d-cache-sets = <256>; // 16KiB(size)/16(line-size)=1024ways/4-way set 3062306a36Sopenharmony_ci i-cache-size = <0x4000>; 3162306a36Sopenharmony_ci i-cache-line-size = <16>; 3262306a36Sopenharmony_ci i-cache-sets = <256>; // 16KiB(size)/16(line-size)=1024ways/4-way set 3362306a36Sopenharmony_ci }; 3462306a36Sopenharmony_ci }; 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ci soc { 3762306a36Sopenharmony_ci ranges = <0x7e000000 0x20000000 0x02000000>; 3862306a36Sopenharmony_ci dma-ranges = <0x40000000 0x00000000 0x20000000>; 3962306a36Sopenharmony_ci }; 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_ci arm-pmu { 4262306a36Sopenharmony_ci compatible = "arm,arm1176-pmu"; 4362306a36Sopenharmony_ci }; 4462306a36Sopenharmony_ci}; 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_ci&cpu_thermal { 4762306a36Sopenharmony_ci coefficients = <(-538) 407000>; 4862306a36Sopenharmony_ci}; 4962306a36Sopenharmony_ci 5062306a36Sopenharmony_ci/* enable thermal sensor with the correct compatible property set */ 5162306a36Sopenharmony_ci&thermal { 5262306a36Sopenharmony_ci compatible = "brcm,bcm2835-thermal"; 5362306a36Sopenharmony_ci status = "okay"; 5462306a36Sopenharmony_ci}; 55