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f41-riscv64-p550
kernel/0127-feat-add-cpu-idle-framework-support.patch
Jason Montleon 6904001a3c Update to 6.6.67
2024-12-19 16:34:44 -05:00

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From 0fd44206fc43d7199b93c191dd1486877c0f09c8 Mon Sep 17 00:00:00 2001
From: congyuyang <congyuyang@eswincomputing.com>
Date: Thu, 25 Jul 2024 16:21:19 +0800
Subject: [PATCH 127/219] feat:add cpu-idle framework support
Changelogs:
Add cpuidle driver.
Signed-off-by: congyuyang <congyuyang@eswincomputing.com>
---
.../dts/eswin/eswin-win2030-arch-d2d.dtsi | 25 ++++++++++++++++++-
.../boot/dts/eswin/eswin-win2030-arch.dtsi | 20 +++++++++++++++
arch/riscv/configs/win2030_defconfig | 2 ++
3 files changed, 46 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/boot/dts/eswin/eswin-win2030-arch-d2d.dtsi b/arch/riscv/boot/dts/eswin/eswin-win2030-arch-d2d.dtsi
index 725d93d2165f..fa46f44bd3a1 100644
--- a/arch/riscv/boot/dts/eswin/eswin-win2030-arch-d2d.dtsi
+++ b/arch/riscv/boot/dts/eswin/eswin-win2030-arch-d2d.dtsi
@@ -34,7 +34,22 @@ L64: cpus {
#address-cells = <1>;
#size-cells = <0>;
timebase-frequency = <RTCCLK_FREQ>;
-
+ idle-states {
+ CPU_RET: cpu-retentive {
+ compatible = "riscv,idle-state";
+ riscv,sbi-suspend-param = <0x00000000>;
+ entry-latency-us = <20>;
+ exit-latency-us = <40>;
+ min-residency-us = <80>;
+ };
+ CPU_NONRET: cpu-nonretentive {
+ compatible = "riscv,idle-state";
+ riscv,sbi-suspend-param = <0x80000000>;
+ entry-latency-us = <250>;
+ exit-latency-us = <500>;
+ min-residency-us = <950>;
+ };
+ };
cpu-map {
#if (CHIPLET_AND_DIE & 0x2)
cluster0 {
@@ -109,6 +124,7 @@ cpu_0: cpu@0 {
numa-node-id = <0>;
clocks = <&d0_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_0>;
operating-points-v2 = <&d0_cpu_opp_table>;
+ cpu-idle-states = <&CPU_RET &CPU_NONRET>;
cpu0_intc: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
@@ -156,6 +172,7 @@ cpu_1: cpu@1 {
numa-node-id = <0>;
clocks = <&d0_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_1>;
operating-points-v2 = <&d0_cpu_opp_table>;
+ cpu-idle-states = <&CPU_RET &CPU_NONRET>;
cpu1_intc: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
@@ -203,6 +220,7 @@ cpu_2: cpu@2 {
numa-node-id = <0>;
clocks = <&d0_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_2>;
operating-points-v2 = <&d0_cpu_opp_table>;
+ cpu-idle-states = <&CPU_RET &CPU_NONRET>;
cpu2_intc: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
@@ -250,6 +268,7 @@ cpu_3: cpu@3 {
numa-node-id = <0>;
clocks = <&d0_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_3>;
operating-points-v2 = <&d0_cpu_opp_table>;
+ cpu-idle-states = <&CPU_RET &CPU_NONRET>;
cpu3_intc: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
@@ -309,6 +328,7 @@ cpu_4: cpu@4 {
numa-node-id = <1>;
clocks = <&d1_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_0>;
operating-points-v2 = <&d1_cpu_opp_table>;
+ cpu-idle-states = <&CPU_RET &CPU_NONRET>;
cpu4_intc: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
@@ -356,6 +376,7 @@ cpu_5: cpu@5 {
numa-node-id = <1>;
clocks = <&d1_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_1>;
operating-points-v2 = <&d1_cpu_opp_table>;
+ cpu-idle-states = <&CPU_RET &CPU_NONRET>;
cpu5_intc: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
@@ -402,6 +423,7 @@ cpu_6: cpu@6 {
numa-node-id = <1>;
clocks = <&d1_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_2>;
operating-points-v2 = <&d1_cpu_opp_table>;
+ cpu-idle-states = <&CPU_RET &CPU_NONRET>;
cpu6_intc: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
@@ -448,6 +470,7 @@ cpu_7: cpu@7 {
numa-node-id = <1>;
clocks = <&d1_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_3>;
operating-points-v2 = <&d1_cpu_opp_table>;
+ cpu-idle-states = <&CPU_RET &CPU_NONRET>;
cpu7_intc: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
diff --git a/arch/riscv/boot/dts/eswin/eswin-win2030-arch.dtsi b/arch/riscv/boot/dts/eswin/eswin-win2030-arch.dtsi
index cde282a61863..f20e1064ea7c 100644
--- a/arch/riscv/boot/dts/eswin/eswin-win2030-arch.dtsi
+++ b/arch/riscv/boot/dts/eswin/eswin-win2030-arch.dtsi
@@ -39,6 +39,22 @@ L64: cpus {
#address-cells = <1>;
#size-cells = <0>;
timebase-frequency = <RTCCLK_FREQ>;
+ idle-states {
+ CPU_RET: cpu-retentive {
+ compatible = "riscv,idle-state";
+ riscv,sbi-suspend-param = <0x00000000>;
+ entry-latency-us = <20>;
+ exit-latency-us = <40>;
+ min-residency-us = <80>;
+ };
+ CPU_NONRET: cpu-nonretentive {
+ compatible = "riscv,idle-state";
+ riscv,sbi-suspend-param = <0x80000000>;
+ entry-latency-us = <250>;
+ exit-latency-us = <500>;
+ min-residency-us = <950>;
+ };
+ };
L17: cpu@0 {
clock-frequency = <0>;
compatible = "eswin,eic770x", "riscv";
@@ -75,6 +91,7 @@ L17: cpu@0 {
tlb-split;
clocks = <&d0_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_0>;
operating-points-v2 = <&d0_cpu_opp_table>;
+ cpu-idle-states = <&CPU_RET &CPU_NONRET>;
L14: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
@@ -117,6 +134,7 @@ L22: cpu@1 {
tlb-split;
clocks = <&d0_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_1>;
operating-points-v2 = <&d0_cpu_opp_table>;
+ cpu-idle-states = <&CPU_RET &CPU_NONRET>;
L19: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
@@ -159,6 +177,7 @@ L27: cpu@2 {
tlb-split;
clocks = <&d0_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_2>;
operating-points-v2 = <&d0_cpu_opp_table>;
+ cpu-idle-states = <&CPU_RET &CPU_NONRET>;
L24: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
@@ -201,6 +220,7 @@ L32: cpu@3 {
tlb-split;
clocks = <&d0_clock WIN2030_CLK_CPU_EXT_SRC_CORE_CLK_3>;
operating-points-v2 = <&d0_cpu_opp_table>;
+ cpu-idle-states = <&CPU_RET &CPU_NONRET>;
L29: interrupt-controller {
#interrupt-cells = <1>;
compatible = "riscv,cpu-intc";
diff --git a/arch/riscv/configs/win2030_defconfig b/arch/riscv/configs/win2030_defconfig
index 1603e0ec1bf7..2ef6525451ad 100644
--- a/arch/riscv/configs/win2030_defconfig
+++ b/arch/riscv/configs/win2030_defconfig
@@ -50,6 +50,8 @@ CONFIG_CPU_FREQ_GOV_SCHEDUTIL=y
CONFIG_CPUFREQ_DT=y
CONFIG_VIRTUALIZATION=y
CONFIG_KVM=m
+CONFIG_CPU_IDLE=y
+CONFIG_RISCV_SBI_CPUIDLE=y
CONFIG_JUMP_LABEL=y
CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y
--
2.47.0
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