Squashed 'dts/upstream/' content from commit aaba2d45dc2a
git-subtree-dir: dts/upstream
git-subtree-split: aaba2d45dc2a1b3bbb710f2a3808ee1c9f340abe
diff --git a/src/arm/broadcom/bcm2836.dtsi b/src/arm/broadcom/bcm2836.dtsi
new file mode 100644
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--- /dev/null
+++ b/src/arm/broadcom/bcm2836.dtsi
@@ -0,0 +1,142 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "bcm283x.dtsi"
+#include "bcm2835-common.dtsi"
+
+/ {
+ compatible = "brcm,bcm2836";
+
+ soc {
+ ranges = <0x7e000000 0x3f000000 0x1000000>,
+ <0x40000000 0x40000000 0x00001000>;
+ dma-ranges = <0xc0000000 0x00000000 0x3f000000>;
+
+ local_intc: interrupt-controller@40000000 {
+ compatible = "brcm,bcm2836-l1-intc";
+ reg = <0x40000000 0x100>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&local_intc>;
+ };
+ };
+
+ arm-pmu {
+ compatible = "arm,cortex-a7-pmu";
+ interrupt-parent = <&local_intc>;
+ interrupts = <9 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupt-parent = <&local_intc>;
+ interrupts = <0 IRQ_TYPE_LEVEL_HIGH>, // PHYS_SECURE_PPI
+ <1 IRQ_TYPE_LEVEL_HIGH>, // PHYS_NONSECURE_PPI
+ <3 IRQ_TYPE_LEVEL_HIGH>, // VIRT_PPI
+ <2 IRQ_TYPE_LEVEL_HIGH>; // HYP_PPI
+ always-on;
+ };
+
+ cpus: cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ enable-method = "brcm,bcm2836-smp";
+
+ /* Source for d/i-cache-line-size and d/i-cache-sets
+ * https://developer.arm.com/documentation/ddi0464/f/L1-Memory-System
+ * /About-the-L1-memory-system?lang=en
+ *
+ * Source for d/i-cache-size
+ * https://forums.raspberrypi.com/viewtopic.php?t=98428
+ */
+
+ v7_cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0xf00>;
+ clock-frequency = <800000000>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>; // 32KiB(size)/64(line-size)=512ways/4-way set
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <32>;
+ i-cache-sets = <512>; // 32KiB(size)/32(line-size)=1024ways/2-way set
+ next-level-cache = <&l2>;
+ };
+
+ v7_cpu1: cpu@1 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0xf01>;
+ clock-frequency = <800000000>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>; // 32KiB(size)/64(line-size)=512ways/4-way set
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <32>;
+ i-cache-sets = <512>; // 32KiB(size)/32(line-size)=1024ways/2-way set
+ next-level-cache = <&l2>;
+ };
+
+ v7_cpu2: cpu@2 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0xf02>;
+ clock-frequency = <800000000>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>; // 32KiB(size)/64(line-size)=512ways/4-way set
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <32>;
+ i-cache-sets = <512>; // 32KiB(size)/32(line-size)=1024ways/2-way set
+ next-level-cache = <&l2>;
+ };
+
+ v7_cpu3: cpu@3 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a7";
+ reg = <0xf03>;
+ clock-frequency = <800000000>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>; // 32KiB(size)/64(line-size)=512ways/4-way set
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <32>;
+ i-cache-sets = <512>; // 32KiB(size)/32(line-size)=1024ways/2-way set
+ next-level-cache = <&l2>;
+ };
+
+ /* Source for cache-line-size + cache-sets
+ * https://developer.arm.com/documentation/ddi0464/f/L2-Memory-System
+ * /About-the-L2-Memory-system?lang=en
+ * Source for cache-size
+ * https://forums.raspberrypi.com/viewtopic.php?t=98428
+ */
+ l2: l2-cache0 {
+ compatible = "cache";
+ cache-unified;
+ cache-size = <0x80000>;
+ cache-line-size = <64>;
+ cache-sets = <1024>; // 512KiB(size)/64(line-size)=8192ways/8-way set
+ cache-level = <2>;
+ };
+ };
+};
+
+/* Make the BCM2835-style global interrupt controller be a child of the
+ * CPU-local interrupt controller.
+ */
+&intc {
+ compatible = "brcm,bcm2836-armctrl-ic";
+ reg = <0x7e00b200 0x200>;
+ interrupt-parent = <&local_intc>;
+ interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
+};
+
+&cpu_thermal {
+ coefficients = <(-538) 407000>;
+};
+
+/* enable thermal sensor with the correct compatible property set */
+&thermal {
+ compatible = "brcm,bcm2836-thermal";
+ status = "okay";
+};