On 19/07/2023 13:01, Tengfei Fan wrote:
This add based DTSI for SM4450 SoC and includes base description of
CPUs and interrupt-controller which helps to boot to shell with
console on boards with this SoC.
Signed-off-by: Tengfei Fan <quic_tengfan@xxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sm4450.dtsi | 435 +++++++++++++++++++++++++++
1 file changed, 435 insertions(+)
create mode 100644 arch/arm64/boot/dts/qcom/sm4450.dtsi
diff --git a/arch/arm64/boot/dts/qcom/sm4450.dtsi b/arch/arm64/boot/dts/qcom/sm4450.dtsi
new file mode 100644
index 000000000000..ab14aecbdcea
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sm4450.dtsi
@@ -0,0 +1,435 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ interrupt-parent = <&intc>;
+
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ chosen { };
+
+ clocks{
+ xo_board: xo_board {
no underscores in node names.
+ compatible = "fixed-clock";
+ clock-frequency = <76800000>;
+ #clock-cells = <0>;
+ };
+
+ sleep_clk: sleep_clk {
+ compatible = "fixed-clock";
+ clock-frequency = <32000>;
+ #clock-cells = <0>;
+ };
+ };
+
+ cpus {
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ CPU0: cpu@0 {
+ device_type = "cpu";
+ compatible = "qcom,kryo";
+ reg = <0x0 0x0>;
+ enable-method = "psci";
+ next-level-cache = <&L2_0>;
+ power-domains = <&CPU_PD0>;
+ power-domain-names = "psci";
+ #cooling-cells = <2>;
empty lines before child nodes, please (here and further in the patch).
+ L2_0: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ next-level-cache = <&L3_0>;
+ L3_0: l3-cache {
+ compatible = "cache";
+ cache-level = <3>;
+ cache-unified;
+ };
+ };
+ };
+
+ CPU1: cpu@100 {
+ device_type = "cpu";
+ compatible = "qcom,kryo";
+ reg = <0x0 0x100>;
+ enable-method = "psci";
+ next-level-cache = <&L2_100>;
+ power-domains = <&CPU_PD0>;
+ power-domain-names = "psci";
+ #cooling-cells = <2>;
+ L2_100: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ next-level-cache = <&L3_0>;
+ };
+ };
+
+ CPU2: cpu@200 {
+ device_type = "cpu";
+ compatible = "qcom,kryo";
+ reg = <0x0 0x200>;
+ enable-method = "psci";
+ next-level-cache = <&L2_200>;
+ power-domains = <&CPU_PD0>;
+ power-domain-names = "psci";
+ #cooling-cells = <2>;
+ L2_200: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ next-level-cache = <&L3_0>;
+ };
+ };
+
+ CPU3: cpu@300 {
+ device_type = "cpu";
+ compatible = "qcom,kryo";
+ reg = <0x0 0x300>;
+ enable-method = "psci";
+ next-level-cache = <&L2_300>;
+ power-domains = <&CPU_PD0>;
+ power-domain-names = "psci";
+ #cooling-cells = <2>;
+ L2_300: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ next-level-cache = <&L3_0>;
+ };
+ };
+
+ CPU4: cpu@400 {
+ device_type = "cpu";
+ compatible = "qcom,kryo";
+ reg = <0x0 0x400>;
+ enable-method = "psci";
+ next-level-cache = <&L2_400>;
+ power-domains = <&CPU_PD0>;
+ power-domain-names = "psci";
+ #cooling-cells = <2>;
+ L2_400: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ next-level-cache = <&L3_0>;
+ };
+ };
+
+ CPU5: cpu@500 {
+ device_type = "cpu";
+ compatible = "qcom,kryo";
+ reg = <0x0 0x500>;
+ enable-method = "psci";
+ next-level-cache = <&L2_500>;
+ power-domains = <&CPU_PD0>;
+ power-domain-names = "psci";
+ #cooling-cells = <2>;
+ L2_500: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ next-level-cache = <&L3_0>;
+ };
+ };
+
+ CPU6: cpu@600 {
+ device_type = "cpu";
+ compatible = "qcom,kryo";
+ reg = <0x0 0x600>;
+ enable-method = "psci";
+ next-level-cache = <&L2_600>;
+ power-domains = <&CPU_PD0>;
+ power-domain-names = "psci";
+ #cooling-cells = <2>;
+ L2_600: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ next-level-cache = <&L3_0>;
+ };
+ };
+
+ CPU7: cpu@700 {
+ device_type = "cpu";
+ compatible = "qcom,kryo";
+ reg = <0x0 0x700>;
+ enable-method = "psci";
+ next-level-cache = <&L2_700>;
+ power-domains = <&CPU_PD0>;
+ power-domain-names = "psci";
+ #cooling-cells = <2>;
+ L2_700: l2-cache {
+ compatible = "cache";
+ cache-level = <2>;
+ cache-unified;
+ next-level-cache = <&L3_0>;
+ };
+ };
+
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&CPU0>;
+ };
+
+ core1 {
+ cpu = <&CPU1>;
+ };
+
+ core2 {
+ cpu = <&CPU2>;
+ };
+
+ core3 {
+ cpu = <&CPU3>;
+ };
+
+ core4 {
+ cpu = <&CPU4>;
+ };
+
+ core5 {
+ cpu = <&CPU5>;
+ };
+ };
+
+ cluster1 {
If this SoC implements Dynamiq architecture, you don't need separate
clusters.
+ core6 {
+ cpu = <&CPU6>;
+ };
+
+ core7 {
+ cpu = <&CPU7>;
+ };
+ };
+ };
+
+ idle-states {
+ entry-method = "psci";
+
+ LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 {
+ compatible = "arm,idle-state";
+ idle-state-name = "silver-rail-power-collapse";
+ arm,psci-suspend-param = <0x40000004>;
+ entry-latency-us = <800>;
+ exit-latency-us = <750>;
+ min-residency-us = <4090>;
+ local-timer-stop;
+ };
+
+ BIG_CPU_SLEEP_0: cpu-sleep-1-0 {
+ compatible = "arm,idle-state";
+ idle-state-name = "gold-rail-power-collapse";
+ arm,psci-suspend-param = <0x40000004>;
+ entry-latency-us = <600>;
+ exit-latency-us = <1550>;
+ min-residency-us = <4791>;
+ local-timer-stop;
+ };
+ };
+
+ domain-idle-states {
+ CLUSTER_SLEEP_0: cluster-sleep-0 {
+ compatible = "domain-idle-state";
+ arm,psci-suspend-param = <0x41000044>;
+ entry-latency-us = <1050>;
+ exit-latency-us = <2500>;
+ min-residency-us = <5309>;
+ };
+
+ CLUSTER_SLEEP_1: cluster-sleep-1 {
+ compatible = "domain-idle-state";
+ idle-state-name = "cluster-power-collapse";
+ arm,psci-suspend-param = <0x41003344>;
+ entry-latency-us = <1561>;
+ exit-latency-us = <2801>;
+ min-residency-us = <8550>;
+ };
+ };
+ };
+
+ firmware {
+ scm: scm {
+ compatible = "qcom,scm-sm4450", "qcom,scm";
+ #reset-cells = <1>;
Does the SCM need the core clock?
+ };
+ };
+
+ memory@a0000000 {
+ device_type = "memory";
+ /* We expect the bootloader to fill in the size */
+ reg = <0x0 0xa0000000 0x0 0x0>;
+ };
+
+ pmu {
+ compatible = "arm,armv8-pmuv3";
+ interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ psci {
+ compatible = "arm,psci-1.0";
+ method = "smc";
+
+ CPU_PD0: power-domain-cpu0 {
+ #power-domain-cells = <0>;
+ power-domains = <&CLUSTER_PD>;
+ domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
+ };
+
+ CPU_PD1: power-domain-cpu1 {
+ #power-domain-cells = <0>;
+ power-domains = <&CLUSTER_PD>;
+ domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
+ };
+
+ CPU_PD2: power-domain-cpu2 {
+ #power-domain-cells = <0>;
+ power-domains = <&CLUSTER_PD>;
+ domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
+ };
+
+ CPU_PD3: power-domain-cpu3 {
+ #power-domain-cells = <0>;
+ power-domains = <&CLUSTER_PD>;
+ domain-idle-states = <&LITTLE_CPU_SLEEP_0>;
+ };
+
+ CPU_PD4: power-domain-cpu4 {
+ #power-domain-cells = <0>;
+ power-domains = <&CLUSTER_PD>;
+ domain-idle-states = <&BIG_CPU_SLEEP_0>;
+ };
+
+ CPU_PD5: power-domain-cpu5 {
+ #power-domain-cells = <0>;
+ power-domains = <&CLUSTER_PD>;
+ domain-idle-states = <&BIG_CPU_SLEEP_0>;
+ };
+
+ CPU_PD6: power-domain-cpu6 {
+ #power-domain-cells = <0>;
+ power-domains = <&CLUSTER_PD>;
+ domain-idle-states = <&BIG_CPU_SLEEP_0>;
+ };
+
+ CPU_PD7: power-domain-cpu7 {
+ #power-domain-cells = <0>;
+ power-domains = <&CLUSTER_PD>;
+ domain-idle-states = <&BIG_CPU_SLEEP_0>;
+ };
+
+ CLUSTER_PD: power-domain-cpu-cluster0 {
+ #power-domain-cells = <0>;
+ domain-idle-states = <&CLUSTER_SLEEP_0>, <&CLUSTER_SLEEP_1>;
+ };
+ };
+
+ soc: soc@0 {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges = <0 0 0 0 0x10 0>;
+ dma-ranges = <0 0 0 0 0x10 0>;
+ compatible = "simple-bus";
+
+ tcsr_mutex: hwlock@1f40000 {
+ compatible = "qcom,tcsr-mutex";
+ reg = <0x0 0x01f40000 0x0 0x40000>;
+ #hwlock-cells = <1>;
+ };
+
+ pdc: interrupt-controller@b220000 {
+ compatible = "qcom,sm4450-pdc", "qcom,pdc";
Missing binding update
+ reg = <0 0x0b220000 0 0x30000>, <0 0x174000f0 0 0x64>;
+ qcom,pdc-ranges = <0 480 94>, <94 494 31>, <125 63 1>;
+ #interrupt-cells = <2>;
+ interrupt-parent = <&intc>;
+ interrupt-controller;
+ };
+
+ intc: interrupt-controller@17200000 {
+ compatible = "arm,gic-v3";
+ #interrupt-cells = <3>;
+ interrupt-controller;
+ #redistributor-regions = <1>;
+ redistributor-stride = <0x0 0x20000>;
+ reg = <0x0 0x17200000 0x0 0x10000>, /* GICD */
+ <0x0 0x17260000 0x0 0x100000>; /* GICR * 8 */
Please align vertically.
+ interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>;
+ };
+
+ timer@17420000 {
+ compatible = "arm,armv7-timer-mem";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0 0 0x20000000>;
+ reg = <0x0 0x17420000 0x0 0x1000>;
+ clock-frequency = <19200000>;
+
+ frame@17421000 {
+ frame-number = <0>;
+ interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
Please align vertically.
+ reg = <0x17421000 0x1000>,
+ <0x17422000 0x1000>;
+ };
+
+ frame@17423000 {
+ frame-number = <1>;
+ interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0x17423000 0x1000>;
+ status = "disabled";
+ };
+
+ frame@17425000 {
+ frame-number = <2>;
+ interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0x17425000 0x1000>;
+ status = "disabled";
+ };
+
+ frame@17427000 {
+ frame-number = <3>;
+ interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0x17427000 0x1000>;
+ status = "disabled";
+ };
+
+ frame@17429000 {
+ frame-number = <4>;
+ interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0x17429000 0x1000>;
+ status = "disabled";
+ };
+
+ frame@1742b000 {
+ frame-number = <5>;
+ interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0x1742b000 0x1000>;
+ status = "disabled";
+ };
+
+ frame@1742d000 {
+ frame-number = <6>;
+ interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
+ reg = <0x1742d000 0x1000>;
+ status = "disabled";
+ };
+ };
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
Please align vertically.
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) | IRQ_TYPE_LEVEL_LOW)>;
+ clock-frequency = <19200000>;
+ };
+};
--
With best wishes
Dmitry
