84 files changed, 5988 insertions, 1026 deletions

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index bbec87b79309..36061f4732b7 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -70,6 +70,7 @@ config RISCV
 	# LLD >= 14: https://github.com/llvm/llvm-project/issues/50505
 	select ARCH_SUPPORTS_LTO_CLANG if LLD_VERSION >= 140000
 	select ARCH_SUPPORTS_LTO_CLANG_THIN if LLD_VERSION >= 140000
+	select ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS if 64BIT && MMU
 	select ARCH_SUPPORTS_PAGE_TABLE_CHECK if MMU
 	select ARCH_SUPPORTS_PER_VMA_LOCK if MMU
 	select ARCH_SUPPORTS_RT
@@ -99,6 +100,7 @@ config RISCV
 	select EDAC_SUPPORT
 	select FRAME_POINTER if PERF_EVENTS || (FUNCTION_TRACER && !DYNAMIC_FTRACE)
 	select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY if DYNAMIC_FTRACE
+	select FUNCTION_ALIGNMENT_8B if DYNAMIC_FTRACE_WITH_CALL_OPS
 	select GENERIC_ARCH_TOPOLOGY
 	select GENERIC_ATOMIC64 if !64BIT
 	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
@@ -143,6 +145,7 @@ config RISCV
 	select HAVE_ARCH_THREAD_STRUCT_WHITELIST
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_ARCH_TRANSPARENT_HUGEPAGE if 64BIT && MMU
+	select HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD if 64BIT && MMU
 	select HAVE_ARCH_USERFAULTFD_MINOR if 64BIT && USERFAULTFD
 	select HAVE_ARCH_VMAP_STACK if MMU && 64BIT
 	select HAVE_ASM_MODVERSIONS
@@ -150,13 +153,15 @@ config RISCV
 	select HAVE_DEBUG_KMEMLEAK
 	select HAVE_DMA_CONTIGUOUS if MMU
 	select HAVE_DYNAMIC_FTRACE if !XIP_KERNEL && MMU && (CLANG_SUPPORTS_DYNAMIC_FTRACE || GCC_SUPPORTS_DYNAMIC_FTRACE)
-	select HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
+	select FUNCTION_ALIGNMENT_4B if HAVE_DYNAMIC_FTRACE && RISCV_ISA_C
+	select HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS if HAVE_DYNAMIC_FTRACE_WITH_CALL_OPS
+	select HAVE_DYNAMIC_FTRACE_WITH_CALL_OPS if (DYNAMIC_FTRACE_WITH_ARGS && !CFI_CLANG)
 	select HAVE_DYNAMIC_FTRACE_WITH_ARGS if HAVE_DYNAMIC_FTRACE
 	select HAVE_FTRACE_GRAPH_FUNC
 	select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL
 	select HAVE_FUNCTION_GRAPH_TRACER if HAVE_DYNAMIC_FTRACE_WITH_ARGS
 	select HAVE_FUNCTION_GRAPH_FREGS
-	select HAVE_FUNCTION_TRACER if !XIP_KERNEL && !PREEMPTION
+	select HAVE_FUNCTION_TRACER if !XIP_KERNEL
 	select HAVE_EBPF_JIT if MMU
 	select HAVE_GUP_FAST if MMU
 	select HAVE_FUNCTION_ARG_ACCESS_API
@@ -218,6 +223,7 @@ config RISCV
 	select THREAD_INFO_IN_TASK
 	select TRACE_IRQFLAGS_SUPPORT
 	select UACCESS_MEMCPY if !MMU
+	select VDSO_GETRANDOM if HAVE_GENERIC_VDSO
 	select USER_STACKTRACE_SUPPORT
 	select ZONE_DMA32 if 64BIT
 
@@ -236,6 +242,7 @@ config CLANG_SUPPORTS_DYNAMIC_FTRACE
 config GCC_SUPPORTS_DYNAMIC_FTRACE
 	def_bool CC_IS_GCC
 	depends on $(cc-option,-fpatchable-function-entry=8)
+	depends on CC_HAS_MIN_FUNCTION_ALIGNMENT || !RISCV_ISA_C
 
 config HAVE_SHADOW_CALL_STACK
 	def_bool $(cc-option,-fsanitize=shadow-call-stack)
@@ -664,12 +671,12 @@ config RISCV_ISA_V_PREEMPTIVE
 	default y
 	help
 	  Usually, in-kernel SIMD routines are run with preemption disabled.
-	  Functions which envoke long running SIMD thus must yield core's
+	  Functions which invoke long running SIMD thus must yield the core's
 	  vector unit to prevent blocking other tasks for too long.
 
-	  This config allows kernel to run SIMD without explicitly disable
-	  preemption. Enabling this config will result in higher memory
-	  consumption due to the allocation of per-task's kernel Vector context.
+	  This config allows the kernel to run SIMD without explicitly disabling
+	  preemption. Enabling this config will result in higher memory consumption
+	  due to the allocation of per-task's kernel Vector context.
 
 config RISCV_ISA_ZAWRS
 	bool "Zawrs extension support for more efficient busy waiting"
@@ -842,6 +849,21 @@ config RISCV_ISA_ZICBOZ
 
 	   If you don't know what to do here, say Y.
 
+config RISCV_ISA_ZICBOP
+	bool "Zicbop extension support for cache block prefetch"
+	depends on MMU
+	depends on RISCV_ALTERNATIVE
+	default y
+	help
+	  Adds support to dynamically detect the presence of the ZICBOP
+	  extension (Cache Block Prefetch Operations) and enable its
+	  usage.
+
+	  The Zicbop extension can be used to prefetch cache blocks for
+	  read/write fetch.
+
+	  If you don't know what to do here, say Y.
+
 config TOOLCHAIN_NEEDS_EXPLICIT_ZICSR_ZIFENCEI
 	def_bool y
 	# https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=aed44286efa8ae8717a77d94b51ac3614e2ca6dc
@@ -1171,8 +1193,8 @@ config CMDLINE_FALLBACK
 config CMDLINE_EXTEND
 	bool "Extend bootloader kernel arguments"
 	help
-	  The command-line arguments provided during boot will be
-	  appended to the built-in command line. This is useful in
+	  The built-in command line will be appended to the command-
+	  line arguments provided during boot. This is useful in
 	  cases where the provided arguments are insufficient and
 	  you don't want to or cannot modify them.
 
diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
index 8b503e54fa1b..a9c3d2f6debc 100644
--- a/arch/riscv/Kconfig.socs
+++ b/arch/riscv/Kconfig.socs
@@ -54,6 +54,7 @@ config ARCH_THEAD
 	bool "T-HEAD RISC-V SoCs"
 	depends on MMU && !XIP_KERNEL
 	select ERRATA_THEAD
+	select PM_GENERIC_DOMAINS if PM
 	help
 	  This enables support for the RISC-V based T-HEAD SoCs.
 
diff --git a/arch/riscv/Kconfig.vendor b/arch/riscv/Kconfig.vendor
index b096548fe0ff..e14f26368963 100644
--- a/arch/riscv/Kconfig.vendor
+++ b/arch/riscv/Kconfig.vendor
@@ -16,6 +16,19 @@ config RISCV_ISA_VENDOR_EXT_ANDES
 	  If you don't know what to do here, say Y.
 endmenu
 
+menu "SiFive"
+config RISCV_ISA_VENDOR_EXT_SIFIVE
+	bool "SiFive vendor extension support"
+	select RISCV_ISA_VENDOR_EXT
+	default y
+	help
+	  Say N here if you want to disable all SiFive vendor extension
+	  support. This will cause any SiFive vendor extensions that are
+	  requested by hardware probing to be ignored.
+
+	  If you don't know what to do here, say Y.
+endmenu
+
 menu "T-Head"
 config RISCV_ISA_VENDOR_EXT_THEAD
 	bool "T-Head vendor extension support"
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index 539d2aef5cab..df57654a615e 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -15,9 +15,9 @@ ifeq ($(CONFIG_DYNAMIC_FTRACE),y)
 	LDFLAGS_vmlinux += --no-relax
 	KBUILD_CPPFLAGS += -DCC_USING_PATCHABLE_FUNCTION_ENTRY
 ifeq ($(CONFIG_RISCV_ISA_C),y)
-	CC_FLAGS_FTRACE := -fpatchable-function-entry=4
+	CC_FLAGS_FTRACE := -fpatchable-function-entry=8,4
 else
-	CC_FLAGS_FTRACE := -fpatchable-function-entry=2
+	CC_FLAGS_FTRACE := -fpatchable-function-entry=4,2
 endif
 endif
 
diff --git a/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
index e0ddf8f602c7..a8bcb26f4270 100644
--- a/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
+++ b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
@@ -143,7 +143,8 @@
 	};
 
 	l2cache: cache-controller@13400000 {
-		compatible = "andestech,ax45mp-cache", "cache";
+		compatible = "renesas,r9a07g043f-ax45mp-cache", "andestech,ax45mp-cache",
+			     "cache";
 		reg = <0x0 0x13400000 0x0 0x100000>;
 		interrupts = <SOC_PERIPHERAL_IRQ(476) IRQ_TYPE_LEVEL_HIGH>;
 		cache-size = <0x40000>;
diff --git a/arch/riscv/boot/dts/sophgo/Makefile b/arch/riscv/boot/dts/sophgo/Makefile
index 47d4243a8f35..85966306801e 100644
--- a/arch/riscv/boot/dts/sophgo/Makefile
+++ b/arch/riscv/boot/dts/sophgo/Makefile
@@ -3,3 +3,4 @@ dtb-$(CONFIG_ARCH_SOPHGO) += cv1800b-milkv-duo.dtb
 dtb-$(CONFIG_ARCH_SOPHGO) += cv1812h-huashan-pi.dtb
 dtb-$(CONFIG_ARCH_SOPHGO) += sg2002-licheerv-nano-b.dtb
 dtb-$(CONFIG_ARCH_SOPHGO) += sg2042-milkv-pioneer.dtb
+dtb-$(CONFIG_ARCH_SOPHGO) += sg2044-sophgo-srd3-10.dtb
diff --git a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
index aa1f5df100f0..90de978f69c1 100644
--- a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
@@ -3,8 +3,11 @@
  * Copyright (C) 2023 Jisheng Zhang <jszhang@kernel.org>
  */
 
+#define SOC_PERIPHERAL_IRQ(nr)	((nr) + 16)
+
 #include <dt-bindings/pinctrl/pinctrl-cv1800b.h>
-#include "cv18xx.dtsi"
+#include "cv180x-cpus.dtsi"
+#include "cv180x.dtsi"
 
 / {
 	compatible = "sophgo,cv1800b";
@@ -15,23 +18,37 @@
 	};
 
 	soc {
+		interrupt-parent = <&plic>;
+		dma-noncoherent;
+
 		pinctrl: pinctrl@3001000 {
 			compatible = "sophgo,cv1800b-pinctrl";
 			reg = <0x03001000 0x1000>,
 			      <0x05027000 0x1000>;
 			reg-names = "sys", "rtc";
 		};
-	};
-};
 
-&plic {
-	compatible = "sophgo,cv1800b-plic", "thead,c900-plic";
-};
+		clk: clock-controller@3002000 {
+			compatible = "sophgo,cv1800b-clk";
+			reg = <0x03002000 0x1000>;
+			clocks = <&osc>;
+			#clock-cells = <1>;
+		};
 
-&clint {
-	compatible = "sophgo,cv1800b-clint", "thead,c900-clint";
-};
+		plic: interrupt-controller@70000000 {
+			compatible = "sophgo,cv1800b-plic", "thead,c900-plic";
+			reg = <0x70000000 0x4000000>;
+			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
+			interrupt-controller;
+			#address-cells = <0>;
+			#interrupt-cells = <2>;
+			riscv,ndev = <101>;
+		};
 
-&clk {
-	compatible = "sophgo,cv1800-clk";
+		clint: timer@74000000 {
+			compatible = "sophgo,cv1800b-clint", "thead,c900-clint";
+			reg = <0x74000000 0x10000>;
+			interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
+		};
+	};
 };
diff --git a/arch/riscv/boot/dts/sophgo/cv180x-cpus.dtsi b/arch/riscv/boot/dts/sophgo/cv180x-cpus.dtsi
new file mode 100644
index 000000000000..93fd9e47a195
--- /dev/null
+++ b/arch/riscv/boot/dts/sophgo/cv180x-cpus.dtsi
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2023 Jisheng Zhang <jszhang@kernel.org>
+ * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
+ */
+
+/ {
+	cpus: cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		timebase-frequency = <25000000>;
+
+		cpu0: cpu@0 {
+			compatible = "thead,c906", "riscv";
+			device_type = "cpu";
+			reg = <0>;
+			d-cache-block-size = <64>;
+			d-cache-sets = <512>;
+			d-cache-size = <65536>;
+			i-cache-block-size = <64>;
+			i-cache-sets = <128>;
+			i-cache-size = <32768>;
+			mmu-type = "riscv,sv39";
+			riscv,isa = "rv64imafdc";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
+					       "zifencei", "zihpm";
+
+			cpu0_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+	};
+};
diff --git a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
index 58cd546392e0..ed06c3609fb2 100644
--- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
@@ -12,35 +12,6 @@
 	#address-cells = <1>;
 	#size-cells = <1>;
 
-	cpus: cpus {
-		#address-cells = <1>;
-		#size-cells = <0>;
-		timebase-frequency = <25000000>;
-
-		cpu0: cpu@0 {
-			compatible = "thead,c906", "riscv";
-			device_type = "cpu";
-			reg = <0>;
-			d-cache-block-size = <64>;
-			d-cache-sets = <512>;
-			d-cache-size = <65536>;
-			i-cache-block-size = <64>;
-			i-cache-sets = <128>;
-			i-cache-size = <32768>;
-			mmu-type = "riscv,sv39";
-			riscv,isa = "rv64imafdc";
-			riscv,isa-base = "rv64i";
-			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
-					       "zifencei", "zihpm";
-
-			cpu0_intc: interrupt-controller {
-				compatible = "riscv,cpu-intc";
-				interrupt-controller;
-				#interrupt-cells = <1>;
-			};
-		};
-	};
-
 	osc: oscillator {
 		compatible = "fixed-clock";
 		clock-output-names = "osc_25m";
@@ -49,18 +20,10 @@
 
 	soc {
 		compatible = "simple-bus";
-		interrupt-parent = <&plic>;
 		#address-cells = <1>;
 		#size-cells = <1>;
-		dma-noncoherent;
 		ranges;
 
-		clk: clock-controller@3002000 {
-			reg = <0x03002000 0x1000>;
-			clocks = <&osc>;
-			#clock-cells = <1>;
-		};
-
 		gpio0: gpio@3020000 {
 			compatible = "snps,dw-apb-gpio";
 			reg = <0x3020000 0x1000>;
@@ -75,7 +38,7 @@
 				reg = <0>;
 				interrupt-controller;
 				#interrupt-cells = <2>;
-				interrupts = <60 IRQ_TYPE_LEVEL_HIGH>;
+				interrupts = <SOC_PERIPHERAL_IRQ(44) IRQ_TYPE_LEVEL_HIGH>;
 			};
 		};
 
@@ -93,7 +56,7 @@
 				reg = <0>;
 				interrupt-controller;
 				#interrupt-cells = <2>;
-				interrupts = <61 IRQ_TYPE_LEVEL_HIGH>;
+				interrupts = <SOC_PERIPHERAL_IRQ(45) IRQ_TYPE_LEVEL_HIGH>;
 			};
 		};
 
@@ -111,7 +74,7 @@
 				reg = <0>;
 				interrupt-controller;
 				#interrupt-cells = <2>;
-				interrupts = <62 IRQ_TYPE_LEVEL_HIGH>;
+				interrupts = <SOC_PERIPHERAL_IRQ(46) IRQ_TYPE_LEVEL_HIGH>;
 			};
 		};
 
@@ -129,7 +92,7 @@
 				reg = <0>;
 				interrupt-controller;
 				#interrupt-cells = <2>;
-				interrupts = <63 IRQ_TYPE_LEVEL_HIGH>;
+				interrupts = <SOC_PERIPHERAL_IRQ(47) IRQ_TYPE_LEVEL_HIGH>;
 			};
 		};
 
@@ -137,7 +100,7 @@
 			compatible = "sophgo,cv1800b-saradc";
 			reg = <0x030f0000 0x1000>;
 			clocks = <&clk CLK_SARADC>;
-			interrupts = <100 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(84) IRQ_TYPE_LEVEL_HIGH>;
 			#address-cells = <1>;
 			#size-cells = <0>;
 			status = "disabled";
@@ -162,7 +125,7 @@
 			#size-cells = <0>;
 			clocks = <&clk CLK_I2C>, <&clk CLK_APB_I2C0>;
 			clock-names = "ref", "pclk";
-			interrupts = <49 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(33) IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 		};
 
@@ -173,7 +136,7 @@
 			#size-cells = <0>;
 			clocks = <&clk CLK_I2C>, <&clk CLK_APB_I2C1>;
 			clock-names = "ref", "pclk";
-			interrupts = <50 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(34) IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 		};
 
@@ -184,7 +147,7 @@
 			#size-cells = <0>;
 			clocks = <&clk CLK_I2C>, <&clk CLK_APB_I2C2>;
 			clock-names = "ref", "pclk";
-			interrupts = <51 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(35) IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 		};
 
@@ -195,7 +158,7 @@
 			#size-cells = <0>;
 			clocks = <&clk CLK_I2C>, <&clk CLK_APB_I2C3>;
 			clock-names = "ref", "pclk";
-			interrupts = <52 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(36) IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 		};
 
@@ -206,14 +169,14 @@
 			#size-cells = <0>;
 			clocks = <&clk CLK_I2C>, <&clk CLK_APB_I2C4>;
 			clock-names = "ref", "pclk";
-			interrupts = <53 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(37) IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 		};
 
 		uart0: serial@4140000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x04140000 0x100>;
-			interrupts = <44 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(28) IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk CLK_UART0>, <&clk CLK_APB_UART0>;
 			clock-names = "baudclk", "apb_pclk";
 			reg-shift = <2>;
@@ -224,7 +187,7 @@
 		uart1: serial@4150000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x04150000 0x100>;
-			interrupts = <45 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(29) IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk CLK_UART1>, <&clk CLK_APB_UART1>;
 			clock-names = "baudclk", "apb_pclk";
 			reg-shift = <2>;
@@ -235,7 +198,7 @@
 		uart2: serial@4160000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x04160000 0x100>;
-			interrupts = <46 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(30) IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk CLK_UART2>, <&clk CLK_APB_UART2>;
 			clock-names = "baudclk", "apb_pclk";
 			reg-shift = <2>;
@@ -246,7 +209,7 @@
 		uart3: serial@4170000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x04170000 0x100>;
-			interrupts = <47 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(31) IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk CLK_UART3>, <&clk CLK_APB_UART3>;
 			clock-names = "baudclk", "apb_pclk";
 			reg-shift = <2>;
@@ -261,7 +224,7 @@
 			#size-cells = <0>;
 			clocks = <&clk CLK_SPI>, <&clk CLK_APB_SPI0>;
 			clock-names = "ssi_clk", "pclk";
-			interrupts = <54 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(38) IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 		};
 
@@ -272,7 +235,7 @@
 			#size-cells = <0>;
 			clocks = <&clk CLK_SPI>, <&clk CLK_APB_SPI1>;
 			clock-names = "ssi_clk", "pclk";
-			interrupts = <55 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(39) IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 		};
 
@@ -283,7 +246,7 @@
 			#size-cells = <0>;
 			clocks = <&clk CLK_SPI>, <&clk CLK_APB_SPI2>;
 			clock-names = "ssi_clk", "pclk";
-			interrupts = <56 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(40) IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 		};
 
@@ -294,14 +257,14 @@
 			#size-cells = <0>;
 			clocks = <&clk CLK_SPI>, <&clk CLK_APB_SPI3>;
 			clock-names = "ssi_clk", "pclk";
-			interrupts = <57 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(41) IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 		};
 
 		uart4: serial@41c0000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x041c0000 0x100>;
-			interrupts = <48 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(32) IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk CLK_UART4>, <&clk CLK_APB_UART4>;
 			clock-names = "baudclk", "apb_pclk";
 			reg-shift = <2>;
@@ -312,7 +275,7 @@
 		sdhci0: mmc@4310000 {
 			compatible = "sophgo,cv1800b-dwcmshc";
 			reg = <0x4310000 0x1000>;
-			interrupts = <36 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(20) IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk CLK_AXI4_SD0>,
 				 <&clk CLK_SD0>;
 			clock-names = "core", "bus";
@@ -322,7 +285,7 @@
 		sdhci1: mmc@4320000 {
 			compatible = "sophgo,cv1800b-dwcmshc";
 			reg = <0x4320000 0x1000>;
-			interrupts = <38 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(22) IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk CLK_AXI4_SD1>,
 				 <&clk CLK_SD1>;
 			clock-names = "core", "bus";
@@ -332,7 +295,7 @@
 		dmac: dma-controller@4330000 {
 			compatible = "snps,axi-dma-1.01a";
 			reg = <0x04330000 0x1000>;
-			interrupts = <29 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(13) IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk CLK_SDMA_AXI>, <&clk CLK_SDMA_AXI>;
 			clock-names = "core-clk", "cfgr-clk";
 			#dma-cells = <1>;
@@ -344,19 +307,5 @@
 			snps,data-width = <2>;
 			status = "disabled";
 		};
-
-		plic: interrupt-controller@70000000 {
-			reg = <0x70000000 0x4000000>;
-			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
-			interrupt-controller;
-			#address-cells = <0>;
-			#interrupt-cells = <2>;
-			riscv,ndev = <101>;
-		};
-
-		clint: timer@74000000 {
-			reg = <0x74000000 0x10000>;
-			interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
-		};
 	};
 };
diff --git a/arch/riscv/boot/dts/sophgo/cv1812h.dtsi b/arch/riscv/boot/dts/sophgo/cv1812h.dtsi
index 8a1b95c5116b..9a2a314d3347 100644
--- a/arch/riscv/boot/dts/sophgo/cv1812h.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv1812h.dtsi
@@ -3,9 +3,12 @@
  * Copyright (C) 2023 Inochi Amaoto <inochiama@outlook.com>
  */
 
+#define SOC_PERIPHERAL_IRQ(nr)	((nr) + 16)
+
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/pinctrl/pinctrl-cv1812h.h>
-#include "cv18xx.dtsi"
+#include "cv180x-cpus.dtsi"
+#include "cv180x.dtsi"
 #include "cv181x.dtsi"
 
 / {
@@ -17,23 +20,37 @@
 	};
 
 	soc {
+		interrupt-parent = <&plic>;
+		dma-noncoherent;
+
 		pinctrl: pinctrl@3001000 {
 			compatible = "sophgo,cv1812h-pinctrl";
 			reg = <0x03001000 0x1000>,
 			      <0x05027000 0x1000>;
 			reg-names = "sys", "rtc";
 		};
-	};
-};
 
-&plic {
-	compatible = "sophgo,cv1812h-plic", "thead,c900-plic";
-};
+		clk: clock-controller@3002000 {
+			compatible = "sophgo,cv1812h-clk";
+			reg = <0x03002000 0x1000>;
+			clocks = <&osc>;
+			#clock-cells = <1>;
+		};
 
-&clint {
-	compatible = "sophgo,cv1812h-clint", "thead,c900-clint";
-};
+		plic: interrupt-controller@70000000 {
+			compatible = "sophgo,cv1812h-plic", "thead,c900-plic";
+			reg = <0x70000000 0x4000000>;
+			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
+			interrupt-controller;
+			#address-cells = <0>;
+			#interrupt-cells = <2>;
+			riscv,ndev = <101>;
+		};
 
-&clk {
-	compatible = "sophgo,cv1810-clk";
+		clint: timer@74000000 {
+			compatible = "sophgo,cv1812h-clint", "thead,c900-clint";
+			reg = <0x74000000 0x10000>;
+			interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
+		};
+	};
 };
diff --git a/arch/riscv/boot/dts/sophgo/cv181x.dtsi b/arch/riscv/boot/dts/sophgo/cv181x.dtsi
index 5fd14dd1b14f..bbdb30653e9a 100644
--- a/arch/riscv/boot/dts/sophgo/cv181x.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv181x.dtsi
@@ -11,7 +11,7 @@
 		emmc: mmc@4300000 {
 			compatible = "sophgo,cv1800b-dwcmshc";
 			reg = <0x4300000 0x1000>;
-			interrupts = <34 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <SOC_PERIPHERAL_IRQ(18) IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk CLK_AXI4_EMMC>,
 				 <&clk CLK_EMMC>;
 			clock-names = "core", "bus";
diff --git a/arch/riscv/boot/dts/sophgo/sg2002.dtsi b/arch/riscv/boot/dts/sophgo/sg2002.dtsi
index 7f79de33163c..98001cce238e 100644
--- a/arch/riscv/boot/dts/sophgo/sg2002.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2002.dtsi
@@ -3,9 +3,12 @@
  * Copyright (C) 2024 Thomas Bonnefille <thomas.bonnefille@bootlin.com>
  */
 
+#define SOC_PERIPHERAL_IRQ(nr)	((nr) + 16)
+
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/pinctrl/pinctrl-sg2002.h>
-#include "cv18xx.dtsi"
+#include "cv180x-cpus.dtsi"
+#include "cv180x.dtsi"
 #include "cv181x.dtsi"
 
 / {
@@ -17,25 +20,39 @@
 	};
 
 	soc {
+		interrupt-parent = <&plic>;
+		dma-noncoherent;
+
 		pinctrl: pinctrl@3001000 {
 			compatible = "sophgo,sg2002-pinctrl";
 			reg = <0x03001000 0x1000>,
 			      <0x05027000 0x1000>;
 			reg-names = "sys", "rtc";
 		};
-	};
-};
 
-&plic {
-	compatible = "sophgo,sg2002-plic", "thead,c900-plic";
-};
+		clk: clock-controller@3002000 {
+			compatible = "sophgo,sg2002-clk", "sophgo,sg2000-clk";
+			reg = <0x03002000 0x1000>;
+			clocks = <&osc>;
+			#clock-cells = <1>;
+		};
 
-&clint {
-	compatible = "sophgo,sg2002-clint", "thead,c900-clint";
-};
+		plic: interrupt-controller@70000000 {
+			compatible = "sophgo,sg2002-plic", "thead,c900-plic";
+			reg = <0x70000000 0x4000000>;
+			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
+			interrupt-controller;
+			#address-cells = <0>;
+			#interrupt-cells = <2>;
+			riscv,ndev = <101>;
+		};
 
-&clk {
-	compatible = "sophgo,sg2000-clk";
+		clint: timer@74000000 {
+			compatible = "sophgo,sg2002-clint", "thead,c900-clint";
+			reg = <0x74000000 0x10000>;
+			interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
+		};
+	};
 };
 
 &sdhci0 {
diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
index 34645a5f6038..ef3a602172b1 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
+++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
@@ -42,6 +42,8 @@
 };
 
 &emmc {
+	pinctrl-0 = <&emmc_cfg>;
+	pinctrl-names = "default";
 	bus-width = <4>;
 	no-sdio;
 	no-sd;
@@ -51,6 +53,8 @@
 };
 
 &i2c1 {
+	pinctrl-0 = <&i2c1_cfg>;
+	pinctrl-names = "default";
 	status = "okay";
 
 	mcu: syscon@17 {
@@ -60,7 +64,73 @@
 	};
 };
 
+&pinctrl {
+	emmc_cfg: sdhci-emmc-cfg {
+		sdhci-emmc-wp-pins {
+			pinmux = <PINMUX(PIN_EMMC_WP, 0)>;
+			bias-disable;
+			drive-strength-microamp = <26800>;
+			input-schmitt-disable;
+		};
+
+		sdhci-emmc-cd-pins {
+			pinmux = <PINMUX(PIN_EMMC_CD, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <26800>;
+			input-schmitt-enable;
+		};
+
+		sdhci-emmc-rst-pwr-pins {
+			pinmux = <PINMUX(PIN_EMMC_RST, 0)>,
+				 <PINMUX(PIN_EMMC_PWR_EN, 0)>;
+			bias-disable;
+			drive-strength-microamp = <26800>;
+			input-schmitt-disable;
+		};
+	};
+
+	i2c1_cfg: i2c1-cfg {
+		i2c1-pins {
+			pinmux = <PINMUX(PIN_IIC1_SDA, 0)>,
+				 <PINMUX(PIN_IIC1_SCL, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <26800>;
+			input-schmitt-enable;
+		};
+	};
+
+	sd_cfg: sdhci-sd-cfg {
+		sdhci-sd-cd-wp-pins {
+			pinmux = <PINMUX(PIN_SDIO_CD, 0)>,
+				 <PINMUX(PIN_SDIO_WP, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <26800>;
+			input-schmitt-enable;
+		};
+
+		sdhci-sd-rst-pwr-pins {
+			pinmux = <PINMUX(PIN_SDIO_RST, 0)>,
+				 <PINMUX(PIN_SDIO_PWR_EN, 0)>;
+			bias-disable;
+			drive-strength-microamp = <26800>;
+			input-schmitt-disable;
+		};
+	};
+
+	uart0_cfg: uart0-cfg {
+		uart0-rx-pins {
+			pinmux = <PINMUX(PIN_UART0_TX, 0)>,
+				 <PINMUX(PIN_UART0_RX, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <26800>;
+			input-schmitt-enable;
+		};
+	};
+};
+
 &sd {
+	pinctrl-0 = <&sd_cfg>;
+	pinctrl-names = "default";
 	bus-width = <4>;
 	no-sdio;
 	no-mmc;
@@ -69,6 +139,8 @@
 };
 
 &uart0 {
+	pinctrl-0 = <&uart0_cfg>;
+	pinctrl-names = "default";
 	status = "okay";
 };
 
diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
index aa8b7fcc125d..85636d1798f1 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
@@ -8,6 +8,7 @@
 #include <dt-bindings/clock/sophgo,sg2042-pll.h>
 #include <dt-bindings/clock/sophgo,sg2042-rpgate.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pinctrl/pinctrl-sg2042.h>
 #include <dt-bindings/reset/sophgo,sg2042-reset.h>
 
 #include "sg2042-cpus.dtsi"
@@ -200,6 +201,11 @@
 			#clock-cells = <1>;
 		};
 
+		pinctrl: pinctrl@7030011000 {
+			compatible = "sophgo,sg2042-pinctrl";
+			reg = <0x70 0x30011000 0x0 0x1000>;
+		};
+
 		clkgen: clock-controller@7030012000 {
 			compatible = "sophgo,sg2042-clkgen";
 			reg = <0x70 0x30012000 0x0 0x1000>;
@@ -537,6 +543,32 @@
 			status = "disabled";
 		};
 
+		spi0: spi@7040004000 {
+			compatible = "sophgo,sg2042-spi", "snps,dw-apb-ssi";
+			reg = <0x70 0x40004000 0x00 0x1000>;
+			clocks = <&clkgen GATE_CLK_APB_SPI>;
+			interrupt-parent = <&intc>;
+			interrupts = <110 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			num-cs = <2>;
+			resets = <&rstgen RST_SPI0>;
+			status = "disabled";
+		};
+
+		spi1: spi@7040005000 {
+			compatible = "sophgo,sg2042-spi", "snps,dw-apb-ssi";
+			reg = <0x70 0x40005000 0x00 0x1000>;
+			clocks = <&clkgen GATE_CLK_APB_SPI>;
+			interrupt-parent = <&intc>;
+			interrupts = <111 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			num-cs = <2>;
+			resets = <&rstgen RST_SPI1>;
+			status = "disabled";
+		};
+
 		emmc: mmc@704002a000 {
 			compatible = "sophgo,sg2042-dwcmshc";
 			reg = <0x70 0x4002a000 0x0 0x1000>;
diff --git a/arch/riscv/boot/dts/sophgo/sg2044-cpus.dtsi b/arch/riscv/boot/dts/sophgo/sg2044-cpus.dtsi
new file mode 100644
index 000000000000..2a4267078ce6
--- /dev/null
+++ b/arch/riscv/boot/dts/sophgo/sg2044-cpus.dtsi
@@ -0,0 +1,3002 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2025 Inochi Amaoto <inochiama@gmail.com>
+ */
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		timebase-frequency = <50000000>;
+
+		cpu0: cpu@0 {
+			compatible = "thead,c920", "riscv";
+			reg = <0>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache0>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu0_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu1: cpu@1 {
+			compatible = "thead,c920", "riscv";
+			reg = <1>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache0>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu1_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu2: cpu@2 {
+			compatible = "thead,c920", "riscv";
+			reg = <2>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache0>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu2_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu3: cpu@3 {
+			compatible = "thead,c920", "riscv";
+			reg = <3>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache0>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu3_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu4: cpu@4 {
+			compatible = "thead,c920", "riscv";
+			reg = <4>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache1>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu4_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu5: cpu@5 {
+			compatible = "thead,c920", "riscv";
+			reg = <5>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache1>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu5_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu6: cpu@6 {
+			compatible = "thead,c920", "riscv";
+			reg = <6>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache1>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu6_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu7: cpu@7 {
+			compatible = "thead,c920", "riscv";
+			reg = <7>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache1>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu7_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu8: cpu@8 {
+			compatible = "thead,c920", "riscv";
+			reg = <8>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache2>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu8_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu9: cpu@9 {
+			compatible = "thead,c920", "riscv";
+			reg = <9>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache2>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu9_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu10: cpu@10 {
+			compatible = "thead,c920", "riscv";
+			reg = <10>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache2>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu10_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu11: cpu@11 {
+			compatible = "thead,c920", "riscv";
+			reg = <11>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache2>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu11_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu12: cpu@12 {
+			compatible = "thead,c920", "riscv";
+			reg = <12>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache3>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu12_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu13: cpu@13 {
+			compatible = "thead,c920", "riscv";
+			reg = <13>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache3>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu13_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu14: cpu@14 {
+			compatible = "thead,c920", "riscv";
+			reg = <14>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache3>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu14_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu15: cpu@15 {
+			compatible = "thead,c920", "riscv";
+			reg = <15>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache3>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu15_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu16: cpu@16 {
+			compatible = "thead,c920", "riscv";
+			reg = <16>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache4>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu16_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu17: cpu@17 {
+			compatible = "thead,c920", "riscv";
+			reg = <17>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache4>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu17_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu18: cpu@18 {
+			compatible = "thead,c920", "riscv";
+			reg = <18>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache4>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu18_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu19: cpu@19 {
+			compatible = "thead,c920", "riscv";
+			reg = <19>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache4>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu19_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu20: cpu@20 {
+			compatible = "thead,c920", "riscv";
+			reg = <20>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache5>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu20_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu21: cpu@21 {
+			compatible = "thead,c920", "riscv";
+			reg = <21>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache5>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu21_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu22: cpu@22 {
+			compatible = "thead,c920", "riscv";
+			reg = <22>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache5>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu22_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu23: cpu@23 {
+			compatible = "thead,c920", "riscv";
+			reg = <23>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache5>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu23_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu24: cpu@24 {
+			compatible = "thead,c920", "riscv";
+			reg = <24>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache6>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu24_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu25: cpu@25 {
+			compatible = "thead,c920", "riscv";
+			reg = <25>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache6>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu25_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu26: cpu@26 {
+			compatible = "thead,c920", "riscv";
+			reg = <26>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache6>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu26_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu27: cpu@27 {
+			compatible = "thead,c920", "riscv";
+			reg = <27>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache6>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu27_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu28: cpu@28 {
+			compatible = "thead,c920", "riscv";
+			reg = <28>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache7>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu28_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu29: cpu@29 {
+			compatible = "thead,c920", "riscv";
+			reg = <29>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache7>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu29_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu30: cpu@30 {
+			compatible = "thead,c920", "riscv";
+			reg = <30>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache7>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu30_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu31: cpu@31 {
+			compatible = "thead,c920", "riscv";
+			reg = <31>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache7>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu31_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu32: cpu@32 {
+			compatible = "thead,c920", "riscv";
+			reg = <32>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache8>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu32_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu33: cpu@33 {
+			compatible = "thead,c920", "riscv";
+			reg = <33>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache8>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu33_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu34: cpu@34 {
+			compatible = "thead,c920", "riscv";
+			reg = <34>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache8>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu34_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu35: cpu@35 {
+			compatible = "thead,c920", "riscv";
+			reg = <35>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache8>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu35_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu36: cpu@36 {
+			compatible = "thead,c920", "riscv";
+			reg = <36>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache9>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu36_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu37: cpu@37 {
+			compatible = "thead,c920", "riscv";
+			reg = <37>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache9>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu37_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu38: cpu@38 {
+			compatible = "thead,c920", "riscv";
+			reg = <38>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache9>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu38_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu39: cpu@39 {
+			compatible = "thead,c920", "riscv";
+			reg = <39>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache9>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu39_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu40: cpu@40 {
+			compatible = "thead,c920", "riscv";
+			reg = <40>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache10>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu40_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu41: cpu@41 {
+			compatible = "thead,c920", "riscv";
+			reg = <41>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache10>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu41_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu42: cpu@42 {
+			compatible = "thead,c920", "riscv";
+			reg = <42>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache10>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu42_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu43: cpu@43 {
+			compatible = "thead,c920", "riscv";
+			reg = <43>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache10>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu43_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu44: cpu@44 {
+			compatible = "thead,c920", "riscv";
+			reg = <44>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache11>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu44_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu45: cpu@45 {
+			compatible = "thead,c920", "riscv";
+			reg = <45>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache11>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu45_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu46: cpu@46 {
+			compatible = "thead,c920", "riscv";
+			reg = <46>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache11>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu46_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu47: cpu@47 {
+			compatible = "thead,c920", "riscv";
+			reg = <47>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache11>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu47_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu48: cpu@48 {
+			compatible = "thead,c920", "riscv";
+			reg = <48>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache12>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu48_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu49: cpu@49 {
+			compatible = "thead,c920", "riscv";
+			reg = <49>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache12>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu49_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu50: cpu@50 {
+			compatible = "thead,c920", "riscv";
+			reg = <50>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache12>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu50_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu51: cpu@51 {
+			compatible = "thead,c920", "riscv";
+			reg = <51>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache12>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu51_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu52: cpu@52 {
+			compatible = "thead,c920", "riscv";
+			reg = <52>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache13>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu52_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu53: cpu@53 {
+			compatible = "thead,c920", "riscv";
+			reg = <53>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache13>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu53_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu54: cpu@54 {
+			compatible = "thead,c920", "riscv";
+			reg = <54>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache13>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu54_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu55: cpu@55 {
+			compatible = "thead,c920", "riscv";
+			reg = <55>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache13>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu55_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu56: cpu@56 {
+			compatible = "thead,c920", "riscv";
+			reg = <56>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache14>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu56_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu57: cpu@57 {
+			compatible = "thead,c920", "riscv";
+			reg = <57>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache14>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu57_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu58: cpu@58 {
+			compatible = "thead,c920", "riscv";
+			reg = <58>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache14>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu58_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu59: cpu@59 {
+			compatible = "thead,c920", "riscv";
+			reg = <59>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache14>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu59_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu60: cpu@60 {
+			compatible = "thead,c920", "riscv";
+			reg = <60>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache15>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu60_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu61: cpu@61 {
+			compatible = "thead,c920", "riscv";
+			reg = <61>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache15>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu61_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu62: cpu@62 {
+			compatible = "thead,c920", "riscv";
+			reg = <62>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache15>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu62_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu63: cpu@63 {
+			compatible = "thead,c920", "riscv";
+			reg = <63>;
+			i-cache-block-size = <64>;
+			i-cache-size = <65536>;
+			i-cache-sets = <512>;
+			d-cache-block-size = <64>;
+			d-cache-size = <65536>;
+			d-cache-sets = <512>;
+			device_type = "cpu";
+			mmu-type = "riscv,sv48";
+			next-level-cache = <&l2_cache15>;
+			riscv,isa = "rv64imafdcv";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "v", "sscofpmf", "sstc",
+					       "svinval", "svnapot", "svpbmt",
+					       "zawrs", "zba", "zbb", "zbc",
+					       "zbs", "zca", "zcb", "zcd",
+					       "zfa", "zfbfmin", "zfh", "zfhmin",
+					       "zicbom", "zicbop", "zicboz",
+					       "zicntr", "zicond","zicsr", "zifencei",
+					       "zihintntl", "zihintpause", "zihpm",
+					       "zvfbfmin", "zvfbfwma", "zvfh",
+					       "zvfhmin";
+			riscv,cbom-block-size = <64>;
+			riscv,cboz-block-size = <64>;
+
+			cpu63_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+			};
+		};
+
+		cpu-map {
+			socket0 {
+				cluster0 {
+					core0 {
+						cpu = <&cpu0>;
+					};
+
+					core1 {
+						cpu = <&cpu1>;
+					};
+
+					core2 {
+						cpu = <&cpu2>;
+					};
+
+					core3 {
+						cpu = <&cpu3>;
+					};
+				};
+
+				cluster1 {
+					core0 {
+						cpu = <&cpu4>;
+					};
+
+					core1 {
+						cpu = <&cpu5>;
+					};
+
+					core2 {
+						cpu = <&cpu6>;
+					};
+
+					core3 {
+						cpu = <&cpu7>;
+					};
+				};
+
+				cluster2 {
+					core0 {
+						cpu = <&cpu8>;
+					};
+
+					core1 {
+						cpu = <&cpu9>;
+					};
+
+					core2 {
+						cpu = <&cpu10>;
+					};
+
+					core3 {
+						cpu = <&cpu11>;
+					};
+				};
+
+				cluster3 {
+					core0 {
+						cpu = <&cpu12>;
+					};
+
+					core1 {
+						cpu = <&cpu13>;
+					};
+
+					core2 {
+						cpu = <&cpu14>;
+					};
+
+					core3 {
+						cpu = <&cpu15>;
+					};
+				};
+
+				cluster4 {
+					core0 {
+						cpu = <&cpu16>;
+					};
+
+					core1 {
+						cpu = <&cpu17>;
+					};
+
+					core2 {
+						cpu = <&cpu18>;
+					};
+
+					core3 {
+						cpu = <&cpu19>;
+					};
+				};
+
+				cluster5 {
+					core0 {
+						cpu = <&cpu20>;
+					};
+
+					core1 {
+						cpu = <&cpu21>;
+					};
+
+					core2 {
+						cpu = <&cpu22>;
+					};
+
+					core3 {
+						cpu = <&cpu23>;
+					};
+				};
+
+				cluster6 {
+					core0 {
+						cpu = <&cpu24>;
+					};
+
+					core1 {
+						cpu = <&cpu25>;
+					};
+
+					core2 {
+						cpu = <&cpu26>;
+					};
+
+					core3 {
+						cpu = <&cpu27>;
+					};
+				};
+
+				cluster7 {
+					core0 {
+						cpu = <&cpu28>;
+					};
+
+					core1 {
+						cpu = <&cpu29>;
+					};
+
+					core2 {
+						cpu = <&cpu30>;
+					};
+
+					core3 {
+						cpu = <&cpu31>;
+					};
+				};
+
+				cluster8 {
+					core0 {
+						cpu = <&cpu32>;
+					};
+
+					core1 {
+						cpu = <&cpu33>;
+					};
+
+					core2 {
+						cpu = <&cpu34>;
+					};
+
+					core3 {
+						cpu = <&cpu35>;
+					};
+				};
+
+				cluster9 {
+					core0 {
+						cpu = <&cpu36>;
+					};
+
+					core1 {
+						cpu = <&cpu37>;
+					};
+
+					core2 {
+						cpu = <&cpu38>;
+					};
+
+					core3 {
+						cpu = <&cpu39>;
+					};
+				};
+
+				cluster10 {
+					core0 {
+						cpu = <&cpu40>;
+					};
+
+					core1 {
+						cpu = <&cpu41>;
+					};
+
+					core2 {
+						cpu = <&cpu42>;
+					};
+
+					core3 {
+						cpu = <&cpu43>;
+					};
+				};
+
+				cluster11 {
+					core0 {
+						cpu = <&cpu44>;
+					};
+
+					core1 {
+						cpu = <&cpu45>;
+					};
+
+					core2 {
+						cpu = <&cpu46>;
+					};
+
+					core3 {
+						cpu = <&cpu47>;
+					};
+				};
+
+				cluster12 {
+					core0 {
+						cpu = <&cpu48>;
+					};
+
+					core1 {
+						cpu = <&cpu49>;
+					};
+
+					core2 {
+						cpu = <&cpu50>;
+					};
+
+					core3 {
+						cpu = <&cpu51>;
+					};
+				};
+
+				cluster13 {
+					core0 {
+						cpu = <&cpu52>;
+					};
+
+					core1 {
+						cpu = <&cpu53>;
+					};
+
+					core2 {
+						cpu = <&cpu54>;
+					};
+
+					core3 {
+						cpu = <&cpu55>;
+					};
+				};
+
+				cluster14 {
+					core0 {
+						cpu = <&cpu56>;
+					};
+
+					core1 {
+						cpu = <&cpu57>;
+					};
+
+					core2 {
+						cpu = <&cpu58>;
+					};
+
+					core3 {
+						cpu = <&cpu59>;
+					};
+				};
+
+				cluster15 {
+					core0 {
+						cpu = <&cpu60>;
+					};
+
+					core1 {
+						cpu = <&cpu61>;
+					};
+
+					core2 {
+						cpu = <&cpu62>;
+					};
+
+					core3 {
+						cpu = <&cpu63>;
+					};
+				};
+			};
+		};
+
+		l2_cache0: cache-controller-0 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache1: cache-controller-1 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache2: cache-controller-2 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache3: cache-controller-3 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache4: cache-controller-4 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache5: cache-controller-5 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache6: cache-controller-6 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache7: cache-controller-7 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache8: cache-controller-8 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache9: cache-controller-9 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache10: cache-controller-10 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache11: cache-controller-11 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache12: cache-controller-12 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache13: cache-controller-13 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache14: cache-controller-14 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l2_cache15: cache-controller-15 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-size = <2097152>;
+			cache-sets = <2048>;
+			cache-unified;
+			next-level-cache = <&l3_cache>;
+		};
+
+		l3_cache: cache-controller-16 {
+			compatible = "cache";
+			cache-block-size = <64>;
+			cache-level = <3>;
+			cache-size = <67108864>;
+			cache-sets = <4096>;
+			cache-unified;
+		};
+	};
+
+	soc {
+		intc: interrupt-controller@6d40000000 {
+			compatible = "sophgo,sg2044-plic", "thead,c900-plic";
+			#address-cells = <0>;
+			#interrupt-cells = <2>;
+			reg = <0x6d 0x40000000 0x0 0x4000000>;
+			interrupt-controller;
+			interrupts-extended =
+				<&cpu0_intc 11>, <&cpu0_intc 9>,
+				<&cpu1_intc 11>, <&cpu1_intc 9>,
+				<&cpu2_intc 11>, <&cpu2_intc 9>,
+				<&cpu3_intc 11>, <&cpu3_intc 9>,
+				<&cpu4_intc 11>, <&cpu4_intc 9>,
+				<&cpu5_intc 11>, <&cpu5_intc 9>,
+				<&cpu6_intc 11>, <&cpu6_intc 9>,
+				<&cpu7_intc 11>, <&cpu7_intc 9>,
+				<&cpu8_intc 11>, <&cpu8_intc 9>,
+				<&cpu9_intc 11>, <&cpu9_intc 9>,
+				<&cpu10_intc 11>, <&cpu10_intc 9>,
+				<&cpu11_intc 11>, <&cpu11_intc 9>,
+				<&cpu12_intc 11>, <&cpu12_intc 9>,
+				<&cpu13_intc 11>, <&cpu13_intc 9>,
+				<&cpu14_intc 11>, <&cpu14_intc 9>,
+				<&cpu15_intc 11>, <&cpu15_intc 9>,
+				<&cpu16_intc 11>, <&cpu16_intc 9>,
+				<&cpu17_intc 11>, <&cpu17_intc 9>,
+				<&cpu18_intc 11>, <&cpu18_intc 9>,
+				<&cpu19_intc 11>, <&cpu19_intc 9>,
+				<&cpu20_intc 11>, <&cpu20_intc 9>,
+				<&cpu21_intc 11>, <&cpu21_intc 9>,
+				<&cpu22_intc 11>, <&cpu22_intc 9>,
+				<&cpu23_intc 11>, <&cpu23_intc 9>,
+				<&cpu24_intc 11>, <&cpu24_intc 9>,
+				<&cpu25_intc 11>, <&cpu25_intc 9>,
+				<&cpu26_intc 11>, <&cpu26_intc 9>,
+				<&cpu27_intc 11>, <&cpu27_intc 9>,
+				<&cpu28_intc 11>, <&cpu28_intc 9>,
+				<&cpu29_intc 11>, <&cpu29_intc 9>,
+				<&cpu30_intc 11>, <&cpu30_intc 9>,
+				<&cpu31_intc 11>, <&cpu31_intc 9>,
+				<&cpu32_intc 11>, <&cpu32_intc 9>,
+				<&cpu33_intc 11>, <&cpu33_intc 9>,
+				<&cpu34_intc 11>, <&cpu34_intc 9>,
+				<&cpu35_intc 11>, <&cpu35_intc 9>,
+				<&cpu36_intc 11>, <&cpu36_intc 9>,
+				<&cpu37_intc 11>, <&cpu37_intc 9>,
+				<&cpu38_intc 11>, <&cpu38_intc 9>,
+				<&cpu39_intc 11>, <&cpu39_intc 9>,
+				<&cpu40_intc 11>, <&cpu40_intc 9>,
+				<&cpu41_intc 11>, <&cpu41_intc 9>,
+				<&cpu42_intc 11>, <&cpu42_intc 9>,
+				<&cpu43_intc 11>, <&cpu43_intc 9>,
+				<&cpu44_intc 11>, <&cpu44_intc 9>,
+				<&cpu45_intc 11>, <&cpu45_intc 9>,
+				<&cpu46_intc 11>, <&cpu46_intc 9>,
+				<&cpu47_intc 11>, <&cpu47_intc 9>,
+				<&cpu48_intc 11>, <&cpu48_intc 9>,
+				<&cpu49_intc 11>, <&cpu49_intc 9>,
+				<&cpu50_intc 11>, <&cpu50_intc 9>,
+				<&cpu51_intc 11>, <&cpu51_intc 9>,
+				<&cpu52_intc 11>, <&cpu52_intc 9>,
+				<&cpu53_intc 11>, <&cpu53_intc 9>,
+				<&cpu54_intc 11>, <&cpu54_intc 9>,
+				<&cpu55_intc 11>, <&cpu55_intc 9>,
+				<&cpu56_intc 11>, <&cpu56_intc 9>,
+				<&cpu57_intc 11>, <&cpu57_intc 9>,
+				<&cpu58_intc 11>, <&cpu58_intc 9>,
+				<&cpu59_intc 11>, <&cpu59_intc 9>,
+				<&cpu60_intc 11>, <&cpu60_intc 9>,
+				<&cpu61_intc 11>, <&cpu61_intc 9>,
+				<&cpu62_intc 11>, <&cpu62_intc 9>,
+				<&cpu63_intc 11>, <&cpu63_intc 9>;
+			riscv,ndev = <863>;
+		};
+
+		aclint_mswi: interrupt-controller@6d44000000 {
+			compatible = "sophgo,sg2044-aclint-mswi", "thead,c900-aclint-mswi";
+			reg = <0x6d 0x44000000 0x0 0x4000>;
+			interrupts-extended = <&cpu0_intc 3>,
+					      <&cpu1_intc 3>,
+					      <&cpu2_intc 3>,
+					      <&cpu3_intc 3>,
+					      <&cpu4_intc 3>,
+					      <&cpu5_intc 3>,
+					      <&cpu6_intc 3>,
+					      <&cpu7_intc 3>,
+					      <&cpu8_intc 3>,
+					      <&cpu9_intc 3>,
+					      <&cpu10_intc 3>,
+					      <&cpu11_intc 3>,
+					      <&cpu12_intc 3>,
+					      <&cpu13_intc 3>,
+					      <&cpu14_intc 3>,
+					      <&cpu15_intc 3>,
+					      <&cpu16_intc 3>,
+					      <&cpu17_intc 3>,
+					      <&cpu18_intc 3>,
+					      <&cpu19_intc 3>,
+					      <&cpu20_intc 3>,
+					      <&cpu21_intc 3>,
+					      <&cpu22_intc 3>,
+					      <&cpu23_intc 3>,
+					      <&cpu24_intc 3>,
+					      <&cpu25_intc 3>,
+					      <&cpu26_intc 3>,
+					      <&cpu27_intc 3>,
+					      <&cpu28_intc 3>,
+					      <&cpu29_intc 3>,
+					      <&cpu30_intc 3>,
+					      <&cpu31_intc 3>,
+					      <&cpu32_intc 3>,
+					      <&cpu33_intc 3>,
+					      <&cpu34_intc 3>,
+					      <&cpu35_intc 3>,
+					      <&cpu36_intc 3>,
+					      <&cpu37_intc 3>,
+					      <&cpu38_intc 3>,
+					      <&cpu39_intc 3>,
+					      <&cpu40_intc 3>,
+					      <&cpu41_intc 3>,
+					      <&cpu42_intc 3>,
+					      <&cpu43_intc 3>,
+					      <&cpu44_intc 3>,
+					      <&cpu45_intc 3>,
+					      <&cpu46_intc 3>,
+					      <&cpu47_intc 3>,
+					      <&cpu48_intc 3>,
+					      <&cpu49_intc 3>,
+					      <&cpu50_intc 3>,
+					      <&cpu51_intc 3>,
+					      <&cpu52_intc 3>,
+					      <&cpu53_intc 3>,
+					      <&cpu54_intc 3>,
+					      <&cpu55_intc 3>,
+					      <&cpu56_intc 3>,
+					      <&cpu57_intc 3>,
+					      <&cpu58_intc 3>,
+					      <&cpu59_intc 3>,
+					      <&cpu60_intc 3>,
+					      <&cpu61_intc 3>,
+					      <&cpu62_intc 3>,
+					      <&cpu63_intc 3>;
+		};
+
+		aclint_mtimer: timer@6d44004000 {
+			compatible = "sophgo,sg2044-aclint-mtimer", "thead,c900-aclint-mtimer";
+			reg = <0x6d 0x44004000 0x0 0x8000>;
+			reg-names = "mtimecmp";
+			interrupts-extended = <&cpu0_intc 7>,
+					      <&cpu1_intc 7>,
+					      <&cpu2_intc 7>,
+					      <&cpu3_intc 7>,
+					      <&cpu4_intc 7>,
+					      <&cpu5_intc 7>,
+					      <&cpu6_intc 7>,
+					      <&cpu7_intc 7>,
+					      <&cpu8_intc 7>,
+					      <&cpu9_intc 7>,
+					      <&cpu10_intc 7>,
+					      <&cpu11_intc 7>,
+					      <&cpu12_intc 7>,
+					      <&cpu13_intc 7>,
+					      <&cpu14_intc 7>,
+					      <&cpu15_intc 7>,
+					      <&cpu16_intc 7>,
+					      <&cpu17_intc 7>,
+					      <&cpu18_intc 7>,
+					      <&cpu19_intc 7>,
+					      <&cpu20_intc 7>,
+					      <&cpu21_intc 7>,
+					      <&cpu22_intc 7>,
+					      <&cpu23_intc 7>,
+					      <&cpu24_intc 7>,
+					      <&cpu25_intc 7>,
+					      <&cpu26_intc 7>,
+					      <&cpu27_intc 7>,
+					      <&cpu28_intc 7>,
+					      <&cpu29_intc 7>,
+					      <&cpu30_intc 7>,
+					      <&cpu31_intc 7>,
+					      <&cpu32_intc 7>,
+					      <&cpu33_intc 7>,
+					      <&cpu34_intc 7>,
+					      <&cpu35_intc 7>,
+					      <&cpu36_intc 7>,
+					      <&cpu37_intc 7>,
+					      <&cpu38_intc 7>,
+					      <&cpu39_intc 7>,
+					      <&cpu40_intc 7>,
+					      <&cpu41_intc 7>,
+					      <&cpu42_intc 7>,
+					      <&cpu43_intc 7>,
+					      <&cpu44_intc 7>,
+					      <&cpu45_intc 7>,
+					      <&cpu46_intc 7>,
+					      <&cpu47_intc 7>,
+					      <&cpu48_intc 7>,
+					      <&cpu49_intc 7>,
+					      <&cpu50_intc 7>,
+					      <&cpu51_intc 7>,
+					      <&cpu52_intc 7>,
+					      <&cpu53_intc 7>,
+					      <&cpu54_intc 7>,
+					      <&cpu55_intc 7>,
+					      <&cpu56_intc 7>,
+					      <&cpu57_intc 7>,
+					      <&cpu58_intc 7>,
+					      <&cpu59_intc 7>,
+					      <&cpu60_intc 7>,
+					      <&cpu61_intc 7>,
+					      <&cpu62_intc 7>,
+					      <&cpu63_intc 7>;
+		};
+
+		aclint_sswi: interrupt-controller@6d4400c000 {
+			compatible = "sophgo,sg2044-aclint-sswi", "thead,c900-aclint-sswi";
+			reg = <0x6d 0x4400c000 0x0 0x1000>;
+			#interrupt-cells = <0>;
+			interrupt-controller;
+			interrupts-extended = <&cpu0_intc 1>,
+					      <&cpu1_intc 1>,
+					      <&cpu2_intc 1>,
+					      <&cpu3_intc 1>,
+					      <&cpu4_intc 1>,
+					      <&cpu5_intc 1>,
+					      <&cpu6_intc 1>,
+					      <&cpu7_intc 1>,
+					      <&cpu8_intc 1>,
+					      <&cpu9_intc 1>,
+					      <&cpu10_intc 1>,
+					      <&cpu11_intc 1>,
+					      <&cpu12_intc 1>,
+					      <&cpu13_intc 1>,
+					      <&cpu14_intc 1>,
+					      <&cpu15_intc 1>,
+					      <&cpu16_intc 1>,
+					      <&cpu17_intc 1>,
+					      <&cpu18_intc 1>,
+					      <&cpu19_intc 1>,
+					      <&cpu20_intc 1>,
+					      <&cpu21_intc 1>,
+					      <&cpu22_intc 1>,
+					      <&cpu23_intc 1>,
+					      <&cpu24_intc 1>,
+					      <&cpu25_intc 1>,
+					      <&cpu26_intc 1>,
+					      <&cpu27_intc 1>,
+					      <&cpu28_intc 1>,
+					      <&cpu29_intc 1>,
+					      <&cpu30_intc 1>,
+					      <&cpu31_intc 1>,
+					      <&cpu32_intc 1>,
+					      <&cpu33_intc 1>,
+					      <&cpu34_intc 1>,
+					      <&cpu35_intc 1>,
+					      <&cpu36_intc 1>,
+					      <&cpu37_intc 1>,
+					      <&cpu38_intc 1>,
+					      <&cpu39_intc 1>,
+					      <&cpu40_intc 1>,
+					      <&cpu41_intc 1>,
+					      <&cpu42_intc 1>,
+					      <&cpu43_intc 1>,
+					      <&cpu44_intc 1>,
+					      <&cpu45_intc 1>,
+					      <&cpu46_intc 1>,
+					      <&cpu47_intc 1>,
+					      <&cpu48_intc 1>,
+					      <&cpu49_intc 1>,
+					      <&cpu50_intc 1>,
+					      <&cpu51_intc 1>,
+					      <&cpu52_intc 1>,
+					      <&cpu53_intc 1>,
+					      <&cpu54_intc 1>,
+					      <&cpu55_intc 1>,
+					      <&cpu56_intc 1>,
+					      <&cpu57_intc 1>,
+					      <&cpu58_intc 1>,
+					      <&cpu59_intc 1>,
+					      <&cpu60_intc 1>,
+					      <&cpu61_intc 1>,
+					      <&cpu62_intc 1>,
+					      <&cpu63_intc 1>;
+		};
+	};
+};
diff --git a/arch/riscv/boot/dts/sophgo/sg2044-reset.h b/arch/riscv/boot/dts/sophgo/sg2044-reset.h
new file mode 100644
index 000000000000..3a7bbfdb4bae
--- /dev/null
+++ b/arch/riscv/boot/dts/sophgo/sg2044-reset.h
@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
+/*
+ * Copyright (C) 2025 Inochi Amaoto <inochiama@gmail.com>
+ */
+
+#ifndef _SG2044_RESET_H
+#define _SG2044_RESET_H
+
+#define RST_AP_SYS			0
+#define RST_AP_SYS_CORE0		1
+#define RST_AP_SYS_CORE1		2
+#define RST_AP_SYS_CORE2		3
+#define RST_AP_SYS_CORE3		4
+#define RST_AP_PIC			5
+#define RST_AP_TDT			6
+#define RST_RP_PIC_TDT			7
+#define RST_HSDMA			8
+#define RST_SYSDMA			9
+#define RST_EFUSE0			10
+#define RST_EFUSE1			11
+#define RST_RTC				12
+#define RST_TIMER			13
+#define RST_WDT				14
+#define RST_AHB_ROM0			15
+#define RST_AHB_ROM1			16
+#define RST_I2C0			17
+#define RST_I2C1			18
+#define RST_I2C2			19
+#define RST_I2C3			20
+#define RST_GPIO0			21
+#define RST_GPIO1			22
+#define RST_GPIO2			23
+#define RST_PWM				24
+#define RST_AXI_SRAM0			25
+#define RST_AXI_SRAM1			26
+#define RST_SPIFMC0			27
+#define RST_SPIFMC1			28
+#define RST_MAILBOX			29
+#define RST_ETH0			30
+#define RST_EMMC			31
+#define RST_SD				32
+#define RST_UART0			33
+#define RST_UART1			34
+#define RST_UART2			35
+#define RST_UART3			36
+#define RST_SPI0			37
+#define RST_SPI1			38
+#define RST_MTLI			39
+#define RST_DBG_I2C			40
+#define RST_C2C0			41
+#define RST_C2C1			42
+#define RST_C2C2			43
+#define RST_C2C3			44
+#define RST_CXP				45
+#define RST_DDR0			46
+#define RST_DDR1			47
+#define RST_DDR2			48
+#define RST_DDR3			49
+#define RST_DDR4			50
+#define RST_DDR5			51
+#define RST_DDR6			52
+#define RST_DDR7			53
+#define RST_DDR8			54
+#define RST_DDR9			55
+#define RST_DDR10			56
+#define RST_DDR11			57
+#define RST_DDR12			58
+#define RST_DDR13			59
+#define RST_DDR14			60
+#define RST_DDR15			61
+#define RST_BAR				62
+#define RST_K2K				63
+#define RST_CC_SYS_X1Y1			64
+#define RST_CC_SYS_X1Y2			65
+#define RST_CC_SYS_X1Y3			66
+#define RST_CC_SYS_X1Y4			67
+#define RST_CC_SYS_X0Y1			68
+#define RST_CC_SYS_X0Y2			69
+#define RST_CC_SYS_X0Y3			70
+#define RST_CC_SYS_X0Y4			71
+#define RST_SC_X1Y1			80
+#define RST_SC_X1Y2			81
+#define RST_SC_X1Y3			82
+#define RST_SC_X1Y4			83
+#define RST_SC_X0Y1			84
+#define RST_SC_X0Y2			85
+#define RST_SC_X0Y3			86
+#define RST_SC_X0Y4			87
+#define RST_RP_CLUSTER_X1Y1_S0		160
+#define RST_RP_CLUSTER_X1Y1_S1		161
+#define RST_RP_CLUSTER_X1Y2_S0		162
+#define RST_RP_CLUSTER_X1Y2_S1		163
+#define RST_RP_CLUSTER_X1Y3_S0		164
+#define RST_RP_CLUSTER_X1Y3_S1		165
+#define RST_RP_CLUSTER_X1Y4_S0		166
+#define RST_RP_CLUSTER_X1Y4_S1		167
+#define RST_RP_CLUSTER_X0Y1_W0		168
+#define RST_RP_CLUSTER_X0Y1_W1		169
+#define RST_RP_CLUSTER_X0Y2_W0		170
+#define RST_RP_CLUSTER_X0Y2_W1		171
+#define RST_RP_CLUSTER_X0Y3_W0		172
+#define RST_RP_CLUSTER_X0Y3_W1		173
+#define RST_RP_CLUSTER_X0Y4_W0		174
+#define RST_RP_CLUSTER_X0Y4_W1		175
+#define RST_TPSYS_X1Y1			180
+#define RST_TPSYS_X1Y2			181
+#define RST_TPSYS_X1Y3			182
+#define RST_TPSYS_X1Y4			183
+#define RST_TPSYS_X0Y1			184
+#define RST_TPSYS_X0Y2			185
+#define RST_TPSYS_X0Y3			186
+#define RST_TPSYS_X0Y4			187
+#define RST_SPACC			188
+#define RST_PKA				189
+#define RST_SE_TRNG			190
+#define RST_SE_DBG			191
+#define RST_SE_FAB_FW			192
+#define RST_SE_CTRL			193
+#define RST_MAILBOX0			194
+#define RST_MAILBOX1			195
+#define RST_MAILBOX2			196
+#define RST_MAILBOX3			197
+#define RST_INTC0			198
+#define RST_INTC1			199
+#define RST_INTC2			200
+#define RST_INTC3			201
+
+#endif /* _DT_BINDINGS_SG2044_RESET_H */
diff --git a/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts b/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts
new file mode 100644
index 000000000000..54cdf4239d5f
--- /dev/null
+++ b/arch/riscv/boot/dts/sophgo/sg2044-sophgo-srd3-10.dts
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2025 Inochi Amaoto <inochiama@gmail.com>
+ */
+
+/dts-v1/;
+
+#include "sg2044.dtsi"
+
+/ {
+	model = "Sophgo SG2044 SRD3-10";
+	compatible = "sophgo,srd3-10", "sophgo,sg2044";
+
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
+		serial2 = &uart2;
+		serial3 = &uart3;
+	};
+
+	chosen {
+		stdout-path = "serial1:115200n8";
+	};
+};
+
+&osc {
+	clock-frequency = <25000000>;
+};
+
+&uart1 {
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/sophgo/sg2044.dtsi b/arch/riscv/boot/dts/sophgo/sg2044.dtsi
new file mode 100644
index 000000000000..d67e45f77d6e
--- /dev/null
+++ b/arch/riscv/boot/dts/sophgo/sg2044.dtsi
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2025 Inochi Amaoto <inochiama@gmail.com>
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+
+#include "sg2044-cpus.dtsi"
+#include "sg2044-reset.h"
+
+/ {
+	compatible = "sophgo,sg2044";
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x00000000 0x80000000 0x00000010 0x00000000>;
+	};
+
+	osc: oscillator {
+		compatible = "fixed-clock";
+		clock-output-names = "osc";
+		#clock-cells = <0>;
+	};
+
+	soc {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		uart0: serial@7030000000 {
+			compatible = "sophgo,sg2044-uart", "snps,dw-apb-uart";
+			reg = <0x70 0x30000000 0x0 0x1000>;
+			clock-frequency = <500000000>;
+			interrupt-parent = <&intc>;
+			interrupts = <41 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			resets = <&rst RST_UART0>;
+			status = "disabled";
+		};
+
+		uart1: serial@7030001000 {
+			compatible = "sophgo,sg2044-uart", "snps,dw-apb-uart";
+			reg = <0x70 0x30001000 0x0 0x1000>;
+			clock-frequency = <500000000>;
+			interrupt-parent = <&intc>;
+			interrupts = <42 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			resets = <&rst RST_UART1>;
+			status = "disabled";
+		};
+
+		uart2: serial@7030002000 {
+			compatible = "sophgo,sg2044-uart", "snps,dw-apb-uart";
+			reg = <0x70 0x30002000 0x0 0x1000>;
+			clock-frequency = <500000000>;
+			interrupt-parent = <&intc>;
+			interrupts = <43 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			resets = <&rst RST_UART2>;
+			status = "disabled";
+		};
+
+		uart3: serial@7030003000 {
+			compatible = "sophgo,sg2044-uart", "snps,dw-apb-uart";
+			reg = <0x70 0x30003000 0x0 0x1000>;
+			clock-frequency = <500000000>;
+			interrupt-parent = <&intc>;
+			interrupts = <44 IRQ_TYPE_LEVEL_HIGH>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			resets = <&rst RST_UART3>;
+			status = "disabled";
+		};
+
+		rst: reset-controller@7050003000 {
+			compatible = "sophgo,sg2044-reset",
+				     "sophgo,sg2042-reset";
+			reg = <0x70 0x50003000 0x0 0x1000>;
+			#reset-cells = <1>;
+		};
+	};
+};
diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 1d617b40a2d5..816ef1bc358e 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -17,6 +17,17 @@
 	chosen {
 		stdout-path = "serial0";
 	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led1 {
+			label = "sys-led";
+			gpios = <&gpio K1_GPIO(96) GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+			default-state = "on";
+		};
+	};
 };
 
 &uart0 {
diff --git a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
index a8eac5517f85..283663647a86 100644
--- a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
@@ -7,6 +7,9 @@
 
 #define K1_PADCONF(pin, func) (((pin) << 16) | (func))
 
+/* Map GPIO pin to each bank's <index, offset> */
+#define K1_GPIO(x)	(x / 32) (x % 32)
+
 &pinctrl {
 	uart0_2_cfg: uart0-2-cfg {
 		uart0-2-pins {
diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index c670ebf8fa12..c0f8c5fca975 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -3,6 +3,8 @@
  * Copyright (C) 2024 Yangyu Chen <cyy@cyyself.name>
  */
 
+#include <dt-bindings/clock/spacemit,k1-syscon.h>
+
 /dts-v1/;
 / {
 	#address-cells = <2>;
@@ -306,6 +308,36 @@
 		};
 	};
 
+	clocks {
+		vctcxo_1m: clock-1m {
+			compatible = "fixed-clock";
+			clock-frequency = <1000000>;
+			clock-output-names = "vctcxo_1m";
+			#clock-cells = <0>;
+		};
+
+		vctcxo_24m: clock-24m {
+			compatible = "fixed-clock";
+			clock-frequency = <24000000>;
+			clock-output-names = "vctcxo_24m";
+			#clock-cells = <0>;
+		};
+
+		vctcxo_3m: clock-3m {
+			compatible = "fixed-clock";
+			clock-frequency = <3000000>;
+			clock-output-names = "vctcxo_3m";
+			#clock-cells = <0>;
+		};
+
+		osc_32k: clock-32k {
+			compatible = "fixed-clock";
+			clock-frequency = <32000>;
+			clock-output-names = "osc_32k";
+			#clock-cells = <0>;
+		};
+	};
+
 	soc {
 		compatible = "simple-bus";
 		interrupt-parent = <&plic>;
@@ -314,11 +346,24 @@
 		dma-noncoherent;
 		ranges;
 
+		syscon_apbc: system-controller@d4015000 {
+			compatible = "spacemit,k1-syscon-apbc";
+			reg = <0x0 0xd4015000 0x0 0x1000>;
+			clocks = <&osc_32k>, <&vctcxo_1m>, <&vctcxo_3m>,
+				 <&vctcxo_24m>;
+			clock-names = "osc", "vctcxo_1m", "vctcxo_3m",
+				      "vctcxo_24m";
+			#clock-cells = <1>;
+			#reset-cells = <1>;
+		};
+
 		uart0: serial@d4017000 {
 			compatible = "spacemit,k1-uart", "intel,xscale-uart";
 			reg = <0x0 0xd4017000 0x0 0x100>;
+			clocks = <&syscon_apbc CLK_UART0>,
+				 <&syscon_apbc CLK_UART0_BUS>;
+			clock-names = "core", "bus";
 			interrupts = <42>;
-			clock-frequency = <14857000>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			status = "disabled";
@@ -327,8 +372,10 @@
 		uart2: serial@d4017100 {
 			compatible = "spacemit,k1-uart", "intel,xscale-uart";
 			reg = <0x0 0xd4017100 0x0 0x100>;
+			clocks = <&syscon_apbc CLK_UART2>,
+				 <&syscon_apbc CLK_UART2_BUS>;
+			clock-names = "core", "bus";
 			interrupts = <44>;
-			clock-frequency = <14857000>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			status = "disabled";
@@ -337,8 +384,10 @@
 		uart3: serial@d4017200 {
 			compatible = "spacemit,k1-uart", "intel,xscale-uart";
 			reg = <0x0 0xd4017200 0x0 0x100>;
+			clocks = <&syscon_apbc CLK_UART3>,
+				 <&syscon_apbc CLK_UART3_BUS>;
+			clock-names = "core", "bus";
 			interrupts = <45>;
-			clock-frequency = <14857000>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			status = "disabled";
@@ -347,8 +396,10 @@
 		uart4: serial@d4017300 {
 			compatible = "spacemit,k1-uart", "intel,xscale-uart";
 			reg = <0x0 0xd4017300 0x0 0x100>;
+			clocks = <&syscon_apbc CLK_UART4>,
+				 <&syscon_apbc CLK_UART4_BUS>;
+			clock-names = "core", "bus";
 			interrupts = <46>;
-			clock-frequency = <14857000>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			status = "disabled";
@@ -357,8 +408,10 @@
 		uart5: serial@d4017400 {
 			compatible = "spacemit,k1-uart", "intel,xscale-uart";
 			reg = <0x0 0xd4017400 0x0 0x100>;
+			clocks = <&syscon_apbc CLK_UART5>,
+				 <&syscon_apbc CLK_UART5_BUS>;
+			clock-names = "core", "bus";
 			interrupts = <47>;
-			clock-frequency = <14857000>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			status = "disabled";
@@ -367,8 +420,10 @@
 		uart6: serial@d4017500 {
 			compatible = "spacemit,k1-uart", "intel,xscale-uart";
 			reg = <0x0 0xd4017500 0x0 0x100>;
+			clocks = <&syscon_apbc CLK_UART6>,
+				 <&syscon_apbc CLK_UART6_BUS>;
+			clock-names = "core", "bus";
 			interrupts = <48>;
-			clock-frequency = <14857000>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			status = "disabled";
@@ -377,8 +432,10 @@
 		uart7: serial@d4017600 {
 			compatible = "spacemit,k1-uart", "intel,xscale-uart";
 			reg = <0x0 0xd4017600 0x0 0x100>;
+			clocks = <&syscon_apbc CLK_UART7>,
+				 <&syscon_apbc CLK_UART7_BUS>;
+			clock-names = "core", "bus";
 			interrupts = <49>;
-			clock-frequency = <14857000>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			status = "disabled";
@@ -387,8 +444,10 @@
 		uart8: serial@d4017700 {
 			compatible = "spacemit,k1-uart", "intel,xscale-uart";
 			reg = <0x0 0xd4017700 0x0 0x100>;
+			clocks = <&syscon_apbc CLK_UART8>,
+				 <&syscon_apbc CLK_UART8_BUS>;
+			clock-names = "core", "bus";
 			interrupts = <50>;
-			clock-frequency = <14857000>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			status = "disabled";
@@ -397,16 +456,71 @@
 		uart9: serial@d4017800 {
 			compatible = "spacemit,k1-uart", "intel,xscale-uart";
 			reg = <0x0 0xd4017800 0x0 0x100>;
+			clocks = <&syscon_apbc CLK_UART9>,
+				 <&syscon_apbc CLK_UART9_BUS>;
+			clock-names = "core", "bus";
 			interrupts = <51>;
-			clock-frequency = <14857000>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
 			status = "disabled";
 		};
 
+		gpio: gpio@d4019000 {
+			compatible = "spacemit,k1-gpio";
+			reg = <0x0 0xd4019000 0x0 0x100>;
+			clocks = <&syscon_apbc CLK_GPIO>,
+				 <&syscon_apbc CLK_GPIO_BUS>;
+			clock-names = "core", "bus";
+			gpio-controller;
+			#gpio-cells = <3>;
+			interrupts = <58>;
+			interrupt-parent = <&plic>;
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			gpio-ranges = <&pinctrl 0 0 0 32>,
+				      <&pinctrl 1 0 32 32>,
+				      <&pinctrl 2 0 64 32>,
+				      <&pinctrl 3 0 96 32>;
+		};
+
 		pinctrl: pinctrl@d401e000 {
 			compatible = "spacemit,k1-pinctrl";
 			reg = <0x0 0xd401e000 0x0 0x400>;
+			clocks = <&syscon_apbc CLK_AIB>,
+				 <&syscon_apbc CLK_AIB_BUS>;
+			clock-names = "func", "bus";
+		};
+
+		syscon_mpmu: system-controller@d4050000 {
+			compatible = "spacemit,k1-syscon-mpmu";
+			reg = <0x0 0xd4050000 0x0 0x209c>;
+			clocks = <&osc_32k>, <&vctcxo_1m>, <&vctcxo_3m>,
+				 <&vctcxo_24m>;
+			clock-names = "osc", "vctcxo_1m", "vctcxo_3m",
+				      "vctcxo_24m";
+			#clock-cells = <1>;
+			#power-domain-cells = <1>;
+			#reset-cells = <1>;
+		};
+
+		pll: clock-controller@d4090000 {
+			compatible = "spacemit,k1-pll";
+			reg = <0x0 0xd4090000 0x0 0x1000>;
+			clocks = <&vctcxo_24m>;
+			spacemit,mpmu = <&syscon_mpmu>;
+			#clock-cells = <1>;
+		};
+
+		syscon_apmu: system-controller@d4282800 {
+			compatible = "spacemit,k1-syscon-apmu";
+			reg = <0x0 0xd4282800 0x0 0x400>;
+			clocks = <&osc_32k>, <&vctcxo_1m>, <&vctcxo_3m>,
+				 <&vctcxo_24m>;
+			clock-names = "osc", "vctcxo_1m", "vctcxo_3m",
+				      "vctcxo_24m";
+			#clock-cells = <1>;
+			#power-domain-cells = <1>;
+			#reset-cells = <1>;
 		};
 
 		plic: interrupt-controller@e0000000 {
diff --git a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
index c2f70f5e2918..4baeb981d4df 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
@@ -8,6 +8,7 @@
 #include "jh7110.dtsi"
 #include "jh7110-pinfunc.h"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/starfive,jh7110-pinctrl.h>
 
 / {
 	aliases {
@@ -28,6 +29,7 @@
 	memory@40000000 {
 		device_type = "memory";
 		reg = <0x0 0x40000000 0x1 0x0>;
+		bootph-pre-ram;
 	};
 
 	gpio-restart {
@@ -245,6 +247,13 @@
 			};
 		};
 	};
+
+	eeprom@50 {
+		compatible = "atmel,24c04";
+		reg = <0x50>;
+		bootph-pre-ram;
+		pagesize = <16>;
+	};
 };
 
 &i2c6 {
@@ -262,6 +271,7 @@
 	assigned-clocks = <&syscrg JH7110_SYSCLK_SDIO0_SDCARD>;
 	assigned-clock-rates = <50000000>;
 	bus-width = <8>;
+	bootph-pre-ram;
 	cap-mmc-highspeed;
 	mmc-ddr-1_8v;
 	mmc-hs200-1_8v;
@@ -279,6 +289,7 @@
 	assigned-clocks = <&syscrg JH7110_SYSCLK_SDIO1_SDCARD>;
 	assigned-clock-rates = <50000000>;
 	bus-width = <4>;
+	bootph-pre-ram;
 	no-sdio;
 	no-mmc;
 	cd-gpios = <&sysgpio 41 GPIO_ACTIVE_LOW>;
@@ -317,8 +328,9 @@
 	nor_flash: flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
-		cdns,read-delay = <5>;
-		spi-max-frequency = <12000000>;
+		bootph-pre-ram;
+		cdns,read-delay = <2>;
+		spi-max-frequency = <100000000>;
 		cdns,tshsl-ns = <1>;
 		cdns,tsd2d-ns = <1>;
 		cdns,tchsh-ns = <1>;
@@ -353,9 +365,17 @@
 };
 
 &syscrg {
-	assigned-clocks = <&syscrg JH7110_SYSCLK_CPU_CORE>,
+	assigned-clocks = <&syscrg JH7110_SYSCLK_CPU_ROOT>,
+			  <&syscrg JH7110_SYSCLK_BUS_ROOT>,
+			  <&syscrg JH7110_SYSCLK_PERH_ROOT>,
+			  <&syscrg JH7110_SYSCLK_QSPI_REF>,
+			  <&syscrg JH7110_SYSCLK_CPU_CORE>,
 			  <&pllclk JH7110_PLLCLK_PLL0_OUT>;
-	assigned-clock-rates = <500000000>, <1500000000>;
+	assigned-clock-parents = <&pllclk JH7110_PLLCLK_PLL0_OUT>,
+				 <&pllclk JH7110_PLLCLK_PLL2_OUT>,
+				 <&pllclk JH7110_PLLCLK_PLL2_OUT>,
+				 <&syscrg JH7110_SYSCLK_QSPI_REF_SRC>;
+	assigned-clock-rates = <0>, <0>, <0>, <0>, <500000000>, <1500000000>;
 };
 
 &sysgpio {
@@ -388,6 +408,8 @@
 	};
 
 	i2c5_pins: i2c5-0 {
+		bootph-pre-ram;
+
 		i2c-pins {
 			pinmux = <GPIOMUX(19, GPOUT_LOW,
 					      GPOEN_SYS_I2C5_CLK,
@@ -396,6 +418,7 @@
 					      GPOEN_SYS_I2C5_DATA,
 					      GPI_SYS_I2C5_DATA)>;
 			bias-disable; /* external pull-up */
+			bootph-pre-ram;
 			input-enable;
 			input-schmitt-enable;
 		};
@@ -428,16 +451,16 @@
 		};
 
 		mmc-pins {
-			pinmux = <PINMUX(64, 0)>,
-				 <PINMUX(65, 0)>,
-				 <PINMUX(66, 0)>,
-				 <PINMUX(67, 0)>,
-				 <PINMUX(68, 0)>,
-				 <PINMUX(69, 0)>,
-				 <PINMUX(70, 0)>,
-				 <PINMUX(71, 0)>,
-				 <PINMUX(72, 0)>,
-				 <PINMUX(73, 0)>;
+			pinmux = <PINMUX(PAD_SD0_CLK, 0)>,
+				 <PINMUX(PAD_SD0_CMD, 0)>,
+				 <PINMUX(PAD_SD0_DATA0, 0)>,
+				 <PINMUX(PAD_SD0_DATA1, 0)>,
+				 <PINMUX(PAD_SD0_DATA2, 0)>,
+				 <PINMUX(PAD_SD0_DATA3, 0)>,
+				 <PINMUX(PAD_SD0_DATA4, 0)>,
+				 <PINMUX(PAD_SD0_DATA5, 0)>,
+				 <PINMUX(PAD_SD0_DATA6, 0)>,
+				 <PINMUX(PAD_SD0_DATA7, 0)>;
 			bias-pull-up;
 			drive-strength = <12>;
 			input-enable;
@@ -624,6 +647,7 @@
 };
 
 &uart0 {
+	bootph-pre-ram;
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pins>;
 	status = "okay";
diff --git a/arch/riscv/boot/dts/starfive/jh7110-deepcomputing-fml13v01.dts b/arch/riscv/boot/dts/starfive/jh7110-deepcomputing-fml13v01.dts
index 8d9ce8b69a71..f2857d021d68 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-deepcomputing-fml13v01.dts
+++ b/arch/riscv/boot/dts/starfive/jh7110-deepcomputing-fml13v01.dts
@@ -43,9 +43,28 @@
 			slew-rate = <0>;
 		};
 	};
+
+	usb0_pins: usb0-0 {
+		vbus-pins {
+			pinmux = <GPIOMUX(25,  GPOUT_SYS_USB_DRIVE_VBUS,
+					       GPOEN_ENABLE,
+					       GPI_NONE)>;
+			bias-disable;
+			input-disable;
+			input-schmitt-disable;
+			slew-rate = <0>;
+		};
+	};
 };
 
 &usb0 {
 	dr_mode = "host";
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb0_pins>;
 	status = "okay";
 };
+
+&usb_cdns3 {
+	phys = <&usbphy0>, <&pciephy0>;
+	phy-names = "cdns3,usb2-phy", "cdns3,usb3-phy";
+};
diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi
index 527336417765..1db0054c4e09 100644
--- a/arch/riscv/boot/dts/thead/th1520.dtsi
+++ b/arch/riscv/boot/dts/thead/th1520.dtsi
@@ -6,6 +6,7 @@
 
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/clock/thead,th1520-clk-ap.h>
+#include <dt-bindings/power/thead,th1520-power.h>
 
 / {
 	compatible = "thead,th1520";
@@ -229,6 +230,13 @@
 		snps,blen = <0 0 64 32 0 0 0>;
 	};
 
+	aon: aon {
+		compatible = "thead,th1520-aon";
+		mboxes = <&mbox_910t 1>;
+		mbox-names = "aon";
+		#power-domain-cells = <1>;
+	};
+
 	soc {
 		compatible = "simple-bus";
 		interrupt-parent = <&plic>;
@@ -489,6 +497,19 @@
 			#clock-cells = <1>;
 		};
 
+		rst: reset-controller@ffef528000 {
+			compatible = "thead,th1520-reset";
+			reg = <0xff 0xef528000 0x0 0x4f>;
+			#reset-cells = <1>;
+		};
+
+		clk_vo: clock-controller@ffef528050 {
+			compatible = "thead,th1520-clk-vo";
+			reg = <0xff 0xef528050 0x0 0xfb0>;
+			clocks = <&clk CLK_VIDEO_PLL>;
+			#clock-cells = <1>;
+		};
+
 		dmac0: dma-controller@ffefc00000 {
 			compatible = "snps,axi-dma-1.01a";
 			reg = <0xff 0xefc00000 0x0 0x1000>;
diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
index 3c8e16d71e17..fe8bd8afb418 100644
--- a/arch/riscv/configs/defconfig
+++ b/arch/riscv/configs/defconfig
@@ -18,12 +18,9 @@ CONFIG_CGROUP_DEVICE=y
 CONFIG_CGROUP_CPUACCT=y
 CONFIG_CGROUP_PERF=y
 CONFIG_CGROUP_BPF=y
-CONFIG_NAMESPACES=y
 CONFIG_USER_NS=y
 CONFIG_CHECKPOINT_RESTORE=y
 CONFIG_BLK_DEV_INITRD=y
-CONFIG_EXPERT=y
-# CONFIG_SYSFS_SYSCALL is not set
 CONFIG_PROFILING=y
 CONFIG_ARCH_MICROCHIP=y
 CONFIG_ARCH_SIFIVE=y
@@ -169,6 +166,7 @@ CONFIG_PINCTRL_SOPHGO_SG2002=y
 CONFIG_PINCTRL_TH1520=y
 CONFIG_GPIO_DWAPB=y
 CONFIG_GPIO_SIFIVE=y
+CONFIG_GPIO_SPACEMIT_K1=y
 CONFIG_POWER_RESET_GPIO_RESTART=y
 CONFIG_SENSORS_SFCTEMP=m
 CONFIG_CPU_THERMAL=y
@@ -181,6 +179,7 @@ CONFIG_REGULATOR_FIXED_VOLTAGE=y
 CONFIG_REGULATOR_AXP20X=y
 CONFIG_REGULATOR_GPIO=y
 CONFIG_MEDIA_SUPPORT=m
+CONFIG_MEDIA_PLATFORM_SUPPORT=y
 CONFIG_VIDEO_CADENCE_CSI2RX=m
 CONFIG_DRM=m
 CONFIG_DRM_RADEON=m
@@ -250,6 +249,8 @@ CONFIG_CLK_SOPHGO_CV1800=y
 CONFIG_CLK_SOPHGO_SG2042_PLL=y
 CONFIG_CLK_SOPHGO_SG2042_CLKGEN=y
 CONFIG_CLK_SOPHGO_SG2042_RPGATE=y
+CONFIG_SPACEMIT_CCU=y
+CONFIG_SPACEMIT_K1_CCU=y
 CONFIG_SUN8I_DE2_CCU=m
 CONFIG_SUN50I_IOMMU=y
 CONFIG_RPMSG_CHAR=y
@@ -294,25 +295,7 @@ CONFIG_DEFAULT_SECURITY_DAC=y
 CONFIG_CRYPTO_USER_API_HASH=y
 CONFIG_CRYPTO_DEV_VIRTIO=y
 CONFIG_PRINTK_TIME=y
+CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_FS=y
-CONFIG_DEBUG_PAGEALLOC=y
-CONFIG_SCHED_STACK_END_CHECK=y
-CONFIG_DEBUG_VM=y
-CONFIG_DEBUG_VM_PGFLAGS=y
-CONFIG_DEBUG_MEMORY_INIT=y
-CONFIG_DEBUG_PER_CPU_MAPS=y
-CONFIG_SOFTLOCKUP_DETECTOR=y
-CONFIG_WQ_WATCHDOG=y
-CONFIG_DEBUG_RT_MUTEXES=y
-CONFIG_DEBUG_SPINLOCK=y
-CONFIG_DEBUG_MUTEXES=y
-CONFIG_DEBUG_RWSEMS=y
-CONFIG_DEBUG_ATOMIC_SLEEP=y
-CONFIG_DEBUG_LIST=y
-CONFIG_DEBUG_PLIST=y
-CONFIG_DEBUG_SG=y
-# CONFIG_RCU_TRACE is not set
-CONFIG_RCU_EQS_DEBUG=y
-# CONFIG_FTRACE is not set
 # CONFIG_RUNTIME_TESTING_MENU is not set
 CONFIG_MEMTEST=y
diff --git a/arch/riscv/include/asm/asm-prototypes.h b/arch/riscv/include/asm/asm-prototypes.h
index bfc8ea5f9319..a9988bf21ec8 100644
--- a/arch/riscv/include/asm/asm-prototypes.h
+++ b/arch/riscv/include/asm/asm-prototypes.h
@@ -12,7 +12,7 @@ long long __ashlti3(long long a, int b);
 #ifdef CONFIG_RISCV_ISA_V
 
 #ifdef CONFIG_MMU
-asmlinkage int enter_vector_usercopy(void *dst, void *src, size_t n);
+asmlinkage int enter_vector_usercopy(void *dst, void *src, size_t n, bool enable_sum);
 #endif /* CONFIG_MMU  */
 
 void xor_regs_2_(unsigned long bytes, unsigned long *__restrict p1,
diff --git a/arch/riscv/include/asm/barrier.h b/arch/riscv/include/asm/barrier.h
index e1d9bf1deca6..b8c5726d86ac 100644
--- a/arch/riscv/include/asm/barrier.h
+++ b/arch/riscv/include/asm/barrier.h
@@ -14,11 +14,6 @@
 #include <asm/cmpxchg.h>
 #include <asm/fence.h>
 
-#define nop()		__asm__ __volatile__ ("nop")
-#define __nops(n)	".rept	" #n "\nnop\n.endr\n"
-#define nops(n)		__asm__ __volatile__ (__nops(n))
-
-
 /* These barriers need to enforce ordering on both devices or memory. */
 #define __mb()		RISCV_FENCE(iorw, iorw)
 #define __rmb()		RISCV_FENCE(ir, ir)
diff --git a/arch/riscv/include/asm/cacheflush.h b/arch/riscv/include/asm/cacheflush.h
index b59ffeb668d6..6086b38d5427 100644
--- a/arch/riscv/include/asm/cacheflush.h
+++ b/arch/riscv/include/asm/cacheflush.h
@@ -85,6 +85,7 @@ static inline void flush_icache_range(unsigned long start, unsigned long end)
 
 extern unsigned int riscv_cbom_block_size;
 extern unsigned int riscv_cboz_block_size;
+extern unsigned int riscv_cbop_block_size;
 void riscv_init_cbo_blocksizes(void);
 
 #ifdef CONFIG_RISCV_DMA_NONCOHERENT
diff --git a/arch/riscv/include/asm/cmpxchg.h b/arch/riscv/include/asm/cmpxchg.h
index 2ec119eb147b..0b749e710216 100644
--- a/arch/riscv/include/asm/cmpxchg.h
+++ b/arch/riscv/include/asm/cmpxchg.h
@@ -13,6 +13,7 @@
 #include <asm/hwcap.h>
 #include <asm/insn-def.h>
 #include <asm/cpufeature-macros.h>
+#include <asm/processor.h>
 
 #define __arch_xchg_masked(sc_sfx, swap_sfx, prepend, sc_append,		\
 			   swap_append, r, p, n)				\
@@ -37,6 +38,7 @@
 										\
 		__asm__ __volatile__ (						\
 		       prepend							\
+		       PREFETCHW_ASM(%5)					\
 		       "0:	lr.w %0, %2\n"					\
 		       "	and  %1, %0, %z4\n"				\
 		       "	or   %1, %1, %z3\n"				\
@@ -44,7 +46,7 @@
 		       "	bnez %1, 0b\n"					\
 		       sc_append						\
 		       : "=&r" (__retx), "=&r" (__rc), "+A" (*(__ptr32b))	\
-		       : "rJ" (__newx), "rJ" (~__mask)				\
+		       : "rJ" (__newx), "rJ" (~__mask), "rJ" (__ptr32b)		\
 		       : "memory");						\
 										\
 		r = (__typeof__(*(p)))((__retx & __mask) >> __s);		\
diff --git a/arch/riscv/include/asm/cpufeature.h b/arch/riscv/include/asm/cpufeature.h
index f56b409361fb..fbd0e4306c93 100644
--- a/arch/riscv/include/asm/cpufeature.h
+++ b/arch/riscv/include/asm/cpufeature.h
@@ -67,11 +67,11 @@ void __init riscv_user_isa_enable(void);
 	_RISCV_ISA_EXT_DATA(_name, _id, _sub_exts, ARRAY_SIZE(_sub_exts), _validate)
 
 bool __init check_unaligned_access_emulated_all_cpus(void);
+void unaligned_access_init(void);
+int cpu_online_unaligned_access_init(unsigned int cpu);
 #if defined(CONFIG_RISCV_SCALAR_MISALIGNED)
-void check_unaligned_access_emulated(struct work_struct *work __always_unused);
 void unaligned_emulation_finish(void);
 bool unaligned_ctl_available(void);
-DECLARE_PER_CPU(long, misaligned_access_speed);
 #else
 static inline bool unaligned_ctl_available(void)
 {
@@ -79,6 +79,16 @@ static inline bool unaligned_ctl_available(void)
 }
 #endif
 
+#if defined(CONFIG_RISCV_MISALIGNED)
+DECLARE_PER_CPU(long, misaligned_access_speed);
+bool misaligned_traps_can_delegate(void);
+#else
+static inline bool misaligned_traps_can_delegate(void)
+{
+	return false;
+}
+#endif
+
 bool __init check_vector_unaligned_access_emulated_all_cpus(void);
 #if defined(CONFIG_RISCV_VECTOR_MISALIGNED)
 void check_vector_unaligned_access_emulated(struct work_struct *work __always_unused);
diff --git a/arch/riscv/include/asm/ftrace.h b/arch/riscv/include/asm/ftrace.h
index d627f63ee289..22ebea3c2b26 100644
--- a/arch/riscv/include/asm/ftrace.h
+++ b/arch/riscv/include/asm/ftrace.h
@@ -20,10 +20,9 @@ extern void *return_address(unsigned int level);
 #define ftrace_return_address(n) return_address(n)
 
 void _mcount(void);
-static inline unsigned long ftrace_call_adjust(unsigned long addr)
-{
-	return addr;
-}
+unsigned long ftrace_call_adjust(unsigned long addr);
+unsigned long arch_ftrace_get_symaddr(unsigned long fentry_ip);
+#define ftrace_get_symaddr(fentry_ip) arch_ftrace_get_symaddr(fentry_ip)
 
 /*
  * Let's do like x86/arm64 and ignore the compat syscalls.
@@ -57,12 +56,21 @@ struct dyn_arch_ftrace {
  * 2) jalr: setting low-12 offset to ra, jump to ra, and set ra to
  *          return address (original pc + 4)
  *
+ * The first 2 instructions for each tracable function is compiled to 2 nop
+ * instructions. Then, the kernel initializes the first instruction to auipc at
+ * boot time (<ftrace disable>). The second instruction is patched to jalr to
+ * start the trace.
+ *
+ *<Image>:
+ * 0: nop
+ * 4: nop
+ *
  *<ftrace enable>:
- * 0: auipc  t0/ra, 0x?
- * 4: jalr   t0/ra, ?(t0/ra)
+ * 0: auipc  t0, 0x?
+ * 4: jalr   t0, ?(t0)
  *
  *<ftrace disable>:
- * 0: nop
+ * 0: auipc  t0, 0x?
  * 4: nop
  *
  * Dynamic ftrace generates probes to call sites, so we must deal with
@@ -75,10 +83,9 @@ struct dyn_arch_ftrace {
 #define AUIPC_OFFSET_MASK	(0xfffff000)
 #define AUIPC_PAD		(0x00001000)
 #define JALR_SHIFT		20
-#define JALR_RA			(0x000080e7)
-#define AUIPC_RA		(0x00000097)
 #define JALR_T0			(0x000282e7)
 #define AUIPC_T0		(0x00000297)
+#define JALR_RANGE		(JALR_SIGN_MASK - 1)
 
 #define to_jalr_t0(offset)						\
 	(((offset & JALR_OFFSET_MASK) << JALR_SHIFT) | JALR_T0)
@@ -96,26 +103,14 @@ do {									\
 	call[1] = to_jalr_t0(offset);					\
 } while (0)
 
-#define to_jalr_ra(offset)						\
-	(((offset & JALR_OFFSET_MASK) << JALR_SHIFT) | JALR_RA)
-
-#define to_auipc_ra(offset)						\
-	((offset & JALR_SIGN_MASK) ?					\
-	(((offset & AUIPC_OFFSET_MASK) + AUIPC_PAD) | AUIPC_RA) :	\
-	((offset & AUIPC_OFFSET_MASK) | AUIPC_RA))
-
-#define make_call_ra(caller, callee, call)				\
-do {									\
-	unsigned int offset =						\
-		(unsigned long) (callee) - (unsigned long) (caller);	\
-	call[0] = to_auipc_ra(offset);					\
-	call[1] = to_jalr_ra(offset);					\
-} while (0)
-
 /*
- * Let auipc+jalr be the basic *mcount unit*, so we make it 8 bytes here.
+ * Only the jalr insn in the auipc+jalr is patched, so we make it 4
+ * bytes here.
  */
-#define MCOUNT_INSN_SIZE 8
+#define MCOUNT_INSN_SIZE	4
+#define MCOUNT_AUIPC_SIZE	4
+#define MCOUNT_JALR_SIZE	4
+#define MCOUNT_NOP4_SIZE	4
 
 #ifndef __ASSEMBLY__
 struct dyn_ftrace;
@@ -135,6 +130,9 @@ struct __arch_ftrace_regs {
 	unsigned long sp;
 	unsigned long s0;
 	unsigned long t1;
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
+	unsigned long direct_tramp;
+#endif
 	union {
 		unsigned long args[8];
 		struct {
@@ -146,6 +144,13 @@ struct __arch_ftrace_regs {
 			unsigned long a5;
 			unsigned long a6;
 			unsigned long a7;
+#ifdef CONFIG_CC_IS_CLANG
+			unsigned long t2;
+			unsigned long t3;
+			unsigned long t4;
+			unsigned long t5;
+			unsigned long t6;
+#endif
 		};
 	};
 };
@@ -221,10 +226,13 @@ void ftrace_graph_func(unsigned long ip, unsigned long parent_ip,
 		       struct ftrace_ops *op, struct ftrace_regs *fregs);
 #define ftrace_graph_func ftrace_graph_func
 
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
 static inline void arch_ftrace_set_direct_caller(struct ftrace_regs *fregs, unsigned long addr)
 {
 	arch_ftrace_regs(fregs)->t1 = addr;
 }
+#endif /* CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS */
+
 #endif /* CONFIG_DYNAMIC_FTRACE_WITH_ARGS */
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h
index e3cbf203cdde..affd63e11b0a 100644
--- a/arch/riscv/include/asm/hwcap.h
+++ b/arch/riscv/include/asm/hwcap.h
@@ -105,6 +105,7 @@
 #define RISCV_ISA_EXT_ZVFBFWMA		96
 #define RISCV_ISA_EXT_ZAAMO		97
 #define RISCV_ISA_EXT_ZALRSC		98
+#define RISCV_ISA_EXT_ZICBOP		99
 
 #define RISCV_ISA_EXT_XLINUXENVCFG	127
 
diff --git a/arch/riscv/include/asm/hwprobe.h b/arch/riscv/include/asm/hwprobe.h
index 1f690fea0e03..7fe0a379474a 100644
--- a/arch/riscv/include/asm/hwprobe.h
+++ b/arch/riscv/include/asm/hwprobe.h
@@ -8,7 +8,7 @@
 
 #include <uapi/asm/hwprobe.h>
 
-#define RISCV_HWPROBE_MAX_KEY 12
+#define RISCV_HWPROBE_MAX_KEY 13
 
 static inline bool riscv_hwprobe_key_is_valid(__s64 key)
 {
@@ -22,6 +22,7 @@ static inline bool hwprobe_key_is_bitmask(__s64 key)
 	case RISCV_HWPROBE_KEY_IMA_EXT_0:
 	case RISCV_HWPROBE_KEY_CPUPERF_0:
 	case RISCV_HWPROBE_KEY_VENDOR_EXT_THEAD_0:
+	case RISCV_HWPROBE_KEY_VENDOR_EXT_SIFIVE_0:
 		return true;
 	}
 
diff --git a/arch/riscv/include/asm/image.h b/arch/riscv/include/asm/image.h
index e0b319af3681..8927a6ea1127 100644
--- a/arch/riscv/include/asm/image.h
+++ b/arch/riscv/include/asm/image.h
@@ -30,6 +30,8 @@
 			      RISCV_HEADER_VERSION_MINOR)
 
 #ifndef __ASSEMBLY__
+#define riscv_image_flag_field(flags, field)\
+			       (((flags) >> field##_SHIFT) & field##_MASK)
 /**
  * struct riscv_image_header - riscv kernel image header
  * @code0:		Executable code
diff --git a/arch/riscv/include/asm/insn-def.h b/arch/riscv/include/asm/insn-def.h
index 71060a2f838e..d5adbaec1d01 100644
--- a/arch/riscv/include/asm/insn-def.h
+++ b/arch/riscv/include/asm/insn-def.h
@@ -18,6 +18,13 @@
 #define INSN_I_RD_SHIFT			 7
 #define INSN_I_OPCODE_SHIFT		 0
 
+#define INSN_S_SIMM7_SHIFT		25
+#define INSN_S_RS2_SHIFT		20
+#define INSN_S_RS1_SHIFT		15
+#define INSN_S_FUNC3_SHIFT		12
+#define INSN_S_SIMM5_SHIFT		 7
+#define INSN_S_OPCODE_SHIFT		 0
+
 #ifdef __ASSEMBLY__
 
 #ifdef CONFIG_AS_HAS_INSN
@@ -30,6 +37,10 @@
 	.insn	i \opcode, \func3, \rd, \rs1, \simm12
 	.endm
 
+	.macro insn_s, opcode, func3, rs2, simm12, rs1
+	.insn	s \opcode, \func3, \rs2, \simm12(\rs1)
+	.endm
+
 #else
 
 #include <asm/gpr-num.h>
@@ -51,10 +62,20 @@
 		 (\simm12 << INSN_I_SIMM12_SHIFT))
 	.endm
 
+	.macro insn_s, opcode, func3, rs2, simm12, rs1
+	.4byte	((\opcode << INSN_S_OPCODE_SHIFT) |		\
+		 (\func3 << INSN_S_FUNC3_SHIFT) |		\
+		 (.L__gpr_num_\rs2 << INSN_S_RS2_SHIFT) |	\
+		 (.L__gpr_num_\rs1 << INSN_S_RS1_SHIFT) |	\
+		 ((\simm12 & 0x1f) << INSN_S_SIMM5_SHIFT) |	\
+		 (((\simm12 >> 5) & 0x7f) << INSN_S_SIMM7_SHIFT))
+	.endm
+
 #endif
 
 #define __INSN_R(...)	insn_r __VA_ARGS__
 #define __INSN_I(...)	insn_i __VA_ARGS__
+#define __INSN_S(...)	insn_s __VA_ARGS__
 
 #else /* ! __ASSEMBLY__ */
 
@@ -66,6 +87,9 @@
 #define __INSN_I(opcode, func3, rd, rs1, simm12)	\
 	".insn	i " opcode ", " func3 ", " rd ", " rs1 ", " simm12 "\n"
 
+#define __INSN_S(opcode, func3, rs2, simm12, rs1)	\
+	".insn	s " opcode ", " func3 ", " rs2 ", " simm12 "(" rs1 ")\n"
+
 #else
 
 #include <linux/stringify.h>
@@ -92,12 +116,26 @@
 "		 (\\simm12 << " __stringify(INSN_I_SIMM12_SHIFT) "))\n"	\
 "	.endm\n"
 
+#define DEFINE_INSN_S							\
+	__DEFINE_ASM_GPR_NUMS						\
+"	.macro insn_s, opcode, func3, rs2, simm12, rs1\n"		\
+"	.4byte	((\\opcode << " __stringify(INSN_S_OPCODE_SHIFT) ") |"	\
+"		 (\\func3 << " __stringify(INSN_S_FUNC3_SHIFT) ") |"	\
+"		 (.L__gpr_num_\\rs2 << " __stringify(INSN_S_RS2_SHIFT) ") |" \
+"		 (.L__gpr_num_\\rs1 << " __stringify(INSN_S_RS1_SHIFT) ") |" \
+"		 ((\\simm12 & 0x1f) << " __stringify(INSN_S_SIMM5_SHIFT) ") |" \
+"		 (((\\simm12 >> 5) & 0x7f) << " __stringify(INSN_S_SIMM7_SHIFT) "))\n" \
+"	.endm\n"
+
 #define UNDEFINE_INSN_R							\
 "	.purgem insn_r\n"
 
 #define UNDEFINE_INSN_I							\
 "	.purgem insn_i\n"
 
+#define UNDEFINE_INSN_S							\
+"	.purgem insn_s\n"
+
 #define __INSN_R(opcode, func3, func7, rd, rs1, rs2)			\
 	DEFINE_INSN_R							\
 	"insn_r " opcode ", " func3 ", " func7 ", " rd ", " rs1 ", " rs2 "\n" \
@@ -108,6 +146,11 @@
 	"insn_i " opcode ", " func3 ", " rd ", " rs1 ", " simm12 "\n" \
 	UNDEFINE_INSN_I
 
+#define __INSN_S(opcode, func3, rs2, simm12, rs1)			\
+	DEFINE_INSN_S							\
+	"insn_s " opcode ", " func3 ", " rs2 ", " simm12 ", " rs1 "\n"	\
+	UNDEFINE_INSN_S
+
 #endif
 
 #endif /* ! __ASSEMBLY__ */
@@ -120,6 +163,10 @@
 	__INSN_I(RV_##opcode, RV_##func3, RV_##rd,		\
 		 RV_##rs1, RV_##simm12)
 
+#define INSN_S(opcode, func3, rs2, simm12, rs1)			\
+	__INSN_S(RV_##opcode, RV_##func3, RV_##rs2,		\
+		 RV_##simm12, RV_##rs1)
+
 #define RV_OPCODE(v)		__ASM_STR(v)
 #define RV_FUNC3(v)		__ASM_STR(v)
 #define RV_FUNC7(v)		__ASM_STR(v)
@@ -133,6 +180,7 @@
 #define RV___RS2(v)		__RV_REG(v)
 
 #define RV_OPCODE_MISC_MEM	RV_OPCODE(15)
+#define RV_OPCODE_OP_IMM	RV_OPCODE(19)
 #define RV_OPCODE_SYSTEM	RV_OPCODE(115)
 
 #define HFENCE_VVMA(vaddr, asid)				\
@@ -196,6 +244,18 @@
 	INSN_I(OPCODE_MISC_MEM, FUNC3(2), __RD(0),		\
 	       RS1(base), SIMM12(4))
 
+#define PREFETCH_I(base, offset)				\
+	INSN_S(OPCODE_OP_IMM, FUNC3(6), __RS2(0),		\
+	       SIMM12((offset) & 0xfe0), RS1(base))
+
+#define PREFETCH_R(base, offset)				\
+	INSN_S(OPCODE_OP_IMM, FUNC3(6), __RS2(1),		\
+	       SIMM12((offset) & 0xfe0), RS1(base))
+
+#define PREFETCH_W(base, offset)				\
+	INSN_S(OPCODE_OP_IMM, FUNC3(6), __RS2(3),		\
+	       SIMM12((offset) & 0xfe0), RS1(base))
+
 #define RISCV_PAUSE	".4byte 0x100000f"
 #define ZAWRS_WRS_NTO	".4byte 0x00d00073"
 #define ZAWRS_WRS_STO	".4byte 0x01d00073"
@@ -203,4 +263,10 @@
 
 #define RISCV_INSN_NOP4	_AC(0x00000013, U)
 
+#ifndef __ASSEMBLY__
+#define nop()           __asm__ __volatile__ ("nop")
+#define __nops(n)       ".rept  " #n "\nnop\n.endr\n"
+#define nops(n)         __asm__ __volatile__ (__nops(n))
+#endif
+
 #endif /* __ASM_INSN_DEF_H */
diff --git a/arch/riscv/include/asm/kexec.h b/arch/riscv/include/asm/kexec.h
index 2b56769cb530..b9ee8346cc8c 100644
--- a/arch/riscv/include/asm/kexec.h
+++ b/arch/riscv/include/asm/kexec.h
@@ -56,6 +56,7 @@ extern riscv_kexec_method riscv_kexec_norelocate;
 
 #ifdef CONFIG_KEXEC_FILE
 extern const struct kexec_file_ops elf_kexec_ops;
+extern const struct kexec_file_ops image_kexec_ops;
 
 struct purgatory_info;
 int arch_kexec_apply_relocations_add(struct purgatory_info *pi,
@@ -67,6 +68,11 @@ int arch_kexec_apply_relocations_add(struct purgatory_info *pi,
 struct kimage;
 int arch_kimage_file_post_load_cleanup(struct kimage *image);
 #define arch_kimage_file_post_load_cleanup arch_kimage_file_post_load_cleanup
+
+int load_extra_segments(struct kimage *image, unsigned long kernel_start,
+			unsigned long kernel_len, char *initrd,
+			unsigned long initrd_len, char *cmdline,
+			unsigned long cmdline_len);
 #endif
 
 #endif
diff --git a/arch/riscv/include/asm/pgtable-64.h b/arch/riscv/include/asm/pgtable-64.h
index 0897dd99ab8d..7de05db7d3bd 100644
--- a/arch/riscv/include/asm/pgtable-64.h
+++ b/arch/riscv/include/asm/pgtable-64.h
@@ -184,7 +184,7 @@ static inline int pud_none(pud_t pud)
 
 static inline int pud_bad(pud_t pud)
 {
-	return !pud_present(pud);
+	return !pud_present(pud) || (pud_val(pud) & _PAGE_LEAF);
 }
 
 #define pud_leaf	pud_leaf
@@ -262,8 +262,6 @@ static inline unsigned long _pmd_pfn(pmd_t pmd)
 	return __page_val_to_pfn(pmd_val(pmd));
 }
 
-#define mk_pmd(page, prot)    pfn_pmd(page_to_pfn(page), prot)
-
 #define pmd_ERROR(e) \
 	pr_err("%s:%d: bad pmd %016lx.\n", __FILE__, __LINE__, pmd_val(e))
 
@@ -401,6 +399,7 @@ p4d_t *p4d_offset(pgd_t *pgd, unsigned long address);
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
 static inline int pte_devmap(pte_t pte);
 static inline pte_t pmd_pte(pmd_t pmd);
+static inline pte_t pud_pte(pud_t pud);
 
 static inline int pmd_devmap(pmd_t pmd)
 {
@@ -409,7 +408,7 @@ static inline int pmd_devmap(pmd_t pmd)
 
 static inline int pud_devmap(pud_t pud)
 {
-	return 0;
+	return pte_devmap(pud_pte(pud));
 }
 
 static inline int pgd_devmap(pgd_t pgd)
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 428e48e5f57d..438ce7df24c3 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -343,8 +343,6 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot)
 	return __pte((pfn << _PAGE_PFN_SHIFT) | prot_val);
 }
 
-#define mk_pte(page, prot)       pfn_pte(page_to_pfn(page), prot)
-
 #define pte_pgprot pte_pgprot
 static inline pgprot_t pte_pgprot(pte_t pte)
 {
@@ -902,6 +900,103 @@ static inline pmd_t pmdp_establish(struct vm_area_struct *vma,
 #define pmdp_collapse_flush pmdp_collapse_flush
 extern pmd_t pmdp_collapse_flush(struct vm_area_struct *vma,
 				 unsigned long address, pmd_t *pmdp);
+
+static inline pud_t pud_wrprotect(pud_t pud)
+{
+	return pte_pud(pte_wrprotect(pud_pte(pud)));
+}
+
+static inline int pud_trans_huge(pud_t pud)
+{
+	return pud_leaf(pud);
+}
+
+static inline int pud_dirty(pud_t pud)
+{
+	return pte_dirty(pud_pte(pud));
+}
+
+static inline pud_t pud_mkyoung(pud_t pud)
+{
+	return pte_pud(pte_mkyoung(pud_pte(pud)));
+}
+
+static inline pud_t pud_mkold(pud_t pud)
+{
+	return pte_pud(pte_mkold(pud_pte(pud)));
+}
+
+static inline pud_t pud_mkdirty(pud_t pud)
+{
+	return pte_pud(pte_mkdirty(pud_pte(pud)));
+}
+
+static inline pud_t pud_mkclean(pud_t pud)
+{
+	return pte_pud(pte_mkclean(pud_pte(pud)));
+}
+
+static inline pud_t pud_mkwrite(pud_t pud)
+{
+	return pte_pud(pte_mkwrite_novma(pud_pte(pud)));
+}
+
+static inline pud_t pud_mkhuge(pud_t pud)
+{
+	return pud;
+}
+
+static inline pud_t pud_mkdevmap(pud_t pud)
+{
+	return pte_pud(pte_mkdevmap(pud_pte(pud)));
+}
+
+static inline int pudp_set_access_flags(struct vm_area_struct *vma,
+					unsigned long address, pud_t *pudp,
+					pud_t entry, int dirty)
+{
+	return ptep_set_access_flags(vma, address, (pte_t *)pudp, pud_pte(entry), dirty);
+}
+
+static inline int pudp_test_and_clear_young(struct vm_area_struct *vma,
+					    unsigned long address, pud_t *pudp)
+{
+	return ptep_test_and_clear_young(vma, address, (pte_t *)pudp);
+}
+
+static inline int pud_young(pud_t pud)
+{
+	return pte_young(pud_pte(pud));
+}
+
+static inline void update_mmu_cache_pud(struct vm_area_struct *vma,
+					unsigned long address, pud_t *pudp)
+{
+	pte_t *ptep = (pte_t *)pudp;
+
+	update_mmu_cache(vma, address, ptep);
+}
+
+static inline pud_t pudp_establish(struct vm_area_struct *vma,
+				   unsigned long address, pud_t *pudp, pud_t pud)
+{
+	page_table_check_pud_set(vma->vm_mm, pudp, pud);
+	return __pud(atomic_long_xchg((atomic_long_t *)pudp, pud_val(pud)));
+}
+
+static inline pud_t pud_mkinvalid(pud_t pud)
+{
+	return __pud(pud_val(pud) & ~(_PAGE_PRESENT | _PAGE_PROT_NONE));
+}
+
+extern pud_t pudp_invalidate(struct vm_area_struct *vma, unsigned long address,
+			     pud_t *pudp);
+
+static inline pud_t pud_modify(pud_t pud, pgprot_t newprot)
+{
+	return pte_pud(pte_modify(pud_pte(pud), newprot));
+}
+
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 
 /*
@@ -933,7 +1028,7 @@ extern pmd_t pmdp_collapse_flush(struct vm_area_struct *vma,
 #define __pte_to_swp_entry(pte)	((swp_entry_t) { pte_val(pte) })
 #define __swp_entry_to_pte(x)	((pte_t) { (x).val })
 
-static inline int pte_swp_exclusive(pte_t pte)
+static inline bool pte_swp_exclusive(pte_t pte)
 {
 	return pte_val(pte) & _PAGE_SWP_EXCLUSIVE;
 }
diff --git a/arch/riscv/include/asm/processor.h b/arch/riscv/include/asm/processor.h
index 5f56eb9d114a..24d3af4d3807 100644
--- a/arch/riscv/include/asm/processor.h
+++ b/arch/riscv/include/asm/processor.h
@@ -13,6 +13,9 @@
 #include <vdso/processor.h>
 
 #include <asm/ptrace.h>
+#include <asm/insn-def.h>
+#include <asm/alternative-macros.h>
+#include <asm/hwcap.h>
 
 #define arch_get_mmap_end(addr, len, flags)			\
 ({								\
@@ -52,7 +55,6 @@
 #endif
 
 #ifndef __ASSEMBLY__
-#include <linux/cpumask.h>
 
 struct task_struct;
 struct pt_regs;
@@ -79,6 +81,10 @@ struct pt_regs;
  *       Thus, the task does not own preempt_v. Any use of Vector will have to
  *       save preempt_v, if dirty, and fallback to non-preemptible kernel-mode
  *       Vector.
+ *  - bit 29: The thread voluntarily calls schedule() while holding an active
+ *    preempt_v. All preempt_v context should be dropped in such case because
+ *    V-regs are caller-saved. Only sstatus.VS=ON is persisted across a
+ *    schedule() call.
  *  - bit 30: The in-kernel preempt_v context is saved, and requries to be
  *    restored when returning to the context that owns the preempt_v.
  *  - bit 31: The in-kernel preempt_v context is dirty, as signaled by the
@@ -93,6 +99,7 @@ struct pt_regs;
 #define RISCV_PREEMPT_V			0x00000100
 #define RISCV_PREEMPT_V_DIRTY		0x80000000
 #define RISCV_PREEMPT_V_NEED_RESTORE	0x40000000
+#define RISCV_PREEMPT_V_IN_SCHEDULE	0x20000000
 
 /* CPU-specific state of a task */
 struct thread_struct {
@@ -103,6 +110,7 @@ struct thread_struct {
 	struct __riscv_d_ext_state fstate;
 	unsigned long bad_cause;
 	unsigned long envcfg;
+	unsigned long sum;
 	u32 riscv_v_flags;
 	u32 vstate_ctrl;
 	struct __riscv_v_ext_state vstate;
@@ -136,6 +144,27 @@ static inline void arch_thread_struct_whitelist(unsigned long *offset,
 #define KSTK_EIP(tsk)		(task_pt_regs(tsk)->epc)
 #define KSTK_ESP(tsk)		(task_pt_regs(tsk)->sp)
 
+#define PREFETCH_ASM(x)							\
+	ALTERNATIVE(__nops(1), PREFETCH_R(x, 0), 0,			\
+		    RISCV_ISA_EXT_ZICBOP, CONFIG_RISCV_ISA_ZICBOP)
+
+#define PREFETCHW_ASM(x)						\
+	ALTERNATIVE(__nops(1), PREFETCH_W(x, 0), 0,			\
+		    RISCV_ISA_EXT_ZICBOP, CONFIG_RISCV_ISA_ZICBOP)
+
+#ifdef CONFIG_RISCV_ISA_ZICBOP
+#define ARCH_HAS_PREFETCH
+static inline void prefetch(const void *x)
+{
+	__asm__ __volatile__(PREFETCH_ASM(%0) : : "r" (x) : "memory");
+}
+
+#define ARCH_HAS_PREFETCHW
+static inline void prefetchw(const void *x)
+{
+	__asm__ __volatile__(PREFETCHW_ASM(%0) : : "r" (x) : "memory");
+}
+#endif /* CONFIG_RISCV_ISA_ZICBOP */
 
 /* Do necessary setup to start up a newly executed thread. */
 extern void start_thread(struct pt_regs *regs,
diff --git a/arch/riscv/include/asm/ptrace.h b/arch/riscv/include/asm/ptrace.h
index 2910231977cb..a7dc0e330757 100644
--- a/arch/riscv/include/asm/ptrace.h
+++ b/arch/riscv/include/asm/ptrace.h
@@ -175,7 +175,7 @@ static inline unsigned long regs_get_kernel_argument(struct pt_regs *regs,
 	return 0;
 }
 
-static inline int regs_irqs_disabled(struct pt_regs *regs)
+static __always_inline bool regs_irqs_disabled(struct pt_regs *regs)
 {
 	return !(regs->status & SR_PIE);
 }
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index 3d250824178b..341e74238aa0 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -35,6 +35,7 @@ enum sbi_ext_id {
 	SBI_EXT_DBCN = 0x4442434E,
 	SBI_EXT_STA = 0x535441,
 	SBI_EXT_NACL = 0x4E41434C,
+	SBI_EXT_FWFT = 0x46574654,
 
 	/* Experimentals extensions must lie within this range */
 	SBI_EXT_EXPERIMENTAL_START = 0x08000000,
@@ -402,6 +403,33 @@ enum sbi_ext_nacl_feature {
 #define SBI_NACL_SHMEM_SRET_X(__i)		((__riscv_xlen / 8) * (__i))
 #define SBI_NACL_SHMEM_SRET_X_LAST		31
 
+/* SBI function IDs for FW feature extension */
+#define SBI_EXT_FWFT_SET		0x0
+#define SBI_EXT_FWFT_GET		0x1
+
+enum sbi_fwft_feature_t {
+	SBI_FWFT_MISALIGNED_EXC_DELEG		= 0x0,
+	SBI_FWFT_LANDING_PAD			= 0x1,
+	SBI_FWFT_SHADOW_STACK			= 0x2,
+	SBI_FWFT_DOUBLE_TRAP			= 0x3,
+	SBI_FWFT_PTE_AD_HW_UPDATING		= 0x4,
+	SBI_FWFT_POINTER_MASKING_PMLEN		= 0x5,
+	SBI_FWFT_LOCAL_RESERVED_START		= 0x6,
+	SBI_FWFT_LOCAL_RESERVED_END		= 0x3fffffff,
+	SBI_FWFT_LOCAL_PLATFORM_START		= 0x40000000,
+	SBI_FWFT_LOCAL_PLATFORM_END		= 0x7fffffff,
+
+	SBI_FWFT_GLOBAL_RESERVED_START		= 0x80000000,
+	SBI_FWFT_GLOBAL_RESERVED_END		= 0xbfffffff,
+	SBI_FWFT_GLOBAL_PLATFORM_START		= 0xc0000000,
+	SBI_FWFT_GLOBAL_PLATFORM_END		= 0xffffffff,
+};
+
+#define SBI_FWFT_PLATFORM_FEATURE_BIT		BIT(30)
+#define SBI_FWFT_GLOBAL_FEATURE_BIT		BIT(31)
+
+#define SBI_FWFT_SET_FLAG_LOCK			BIT(0)
+
 /* SBI spec version fields */
 #define SBI_SPEC_VERSION_DEFAULT	0x1
 #define SBI_SPEC_VERSION_MAJOR_SHIFT	24
@@ -419,6 +447,11 @@ enum sbi_ext_nacl_feature {
 #define SBI_ERR_ALREADY_STARTED -7
 #define SBI_ERR_ALREADY_STOPPED -8
 #define SBI_ERR_NO_SHMEM	-9
+#define SBI_ERR_INVALID_STATE	-10
+#define SBI_ERR_BAD_RANGE	-11
+#define SBI_ERR_TIMEOUT		-12
+#define SBI_ERR_IO		-13
+#define SBI_ERR_DENIED_LOCKED	-14
 
 extern unsigned long sbi_spec_version;
 struct sbiret {
@@ -470,6 +503,23 @@ int sbi_remote_hfence_vvma_asid(const struct cpumask *cpu_mask,
 				unsigned long asid);
 long sbi_probe_extension(int ext);
 
+int sbi_fwft_set(u32 feature, unsigned long value, unsigned long flags);
+int sbi_fwft_set_cpumask(const cpumask_t *mask, u32 feature,
+			 unsigned long value, unsigned long flags);
+/**
+ * sbi_fwft_set_online_cpus() - Set a feature on all online cpus
+ * @feature: The feature to be set
+ * @value: The feature value to be set
+ * @flags: FWFT feature set flags
+ *
+ * Return: 0 on success, appropriate linux error code otherwise.
+ */
+static inline int sbi_fwft_set_online_cpus(u32 feature, unsigned long value,
+					   unsigned long flags)
+{
+	return sbi_fwft_set_cpumask(cpu_online_mask, feature, value, flags);
+}
+
 /* Check if current SBI specification version is 0.1 or not */
 static inline int sbi_spec_is_0_1(void)
 {
@@ -503,11 +553,21 @@ static inline int sbi_err_map_linux_errno(int err)
 	case SBI_SUCCESS:
 		return 0;
 	case SBI_ERR_DENIED:
+	case SBI_ERR_DENIED_LOCKED:
 		return -EPERM;
 	case SBI_ERR_INVALID_PARAM:
+	case SBI_ERR_INVALID_STATE:
 		return -EINVAL;
+	case SBI_ERR_BAD_RANGE:
+		return -ERANGE;
 	case SBI_ERR_INVALID_ADDRESS:
 		return -EFAULT;
+	case SBI_ERR_NO_SHMEM:
+		return -ENOMEM;
+	case SBI_ERR_TIMEOUT:
+		return -ETIMEDOUT;
+	case SBI_ERR_IO:
+		return -EIO;
 	case SBI_ERR_NOT_SUPPORTED:
 	case SBI_ERR_FAILURE:
 	default:
diff --git a/arch/riscv/include/asm/syscall.h b/arch/riscv/include/asm/syscall.h
index eceabf59ae48..34313387f977 100644
--- a/arch/riscv/include/asm/syscall.h
+++ b/arch/riscv/include/asm/syscall.h
@@ -30,6 +30,13 @@ static inline int syscall_get_nr(struct task_struct *task,
 	return regs->a7;
 }
 
+static inline void syscall_set_nr(struct task_struct *task,
+				  struct pt_regs *regs,
+				  int nr)
+{
+	regs->a7 = nr;
+}
+
 static inline void syscall_rollback(struct task_struct *task,
 				    struct pt_regs *regs)
 {
@@ -69,6 +76,18 @@ static inline void syscall_get_arguments(struct task_struct *task,
 	args[5] = regs->a5;
 }
 
+static inline void syscall_set_arguments(struct task_struct *task,
+					 struct pt_regs *regs,
+					 const unsigned long *args)
+{
+	regs->orig_a0 = args[0];
+	regs->a1 = args[1];
+	regs->a2 = args[2];
+	regs->a3 = args[3];
+	regs->a4 = args[4];
+	regs->a5 = args[5];
+}
+
 static inline int syscall_get_arch(struct task_struct *task)
 {
 #ifdef CONFIG_64BIT
diff --git a/arch/riscv/include/asm/tlbflush.h b/arch/riscv/include/asm/tlbflush.h
index ce0dd0fed764..1a20dd746a49 100644
--- a/arch/riscv/include/asm/tlbflush.h
+++ b/arch/riscv/include/asm/tlbflush.h
@@ -56,6 +56,8 @@ void local_flush_tlb_kernel_range(unsigned long start, unsigned long end);
 #define __HAVE_ARCH_FLUSH_PMD_TLB_RANGE
 void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start,
 			unsigned long end);
+void flush_pud_tlb_range(struct vm_area_struct *vma, unsigned long start,
+			 unsigned long end);
 #endif
 
 bool arch_tlbbatch_should_defer(struct mm_struct *mm);
diff --git a/arch/riscv/include/asm/uaccess.h b/arch/riscv/include/asm/uaccess.h
index fee56b0c8058..d472da4450e6 100644
--- a/arch/riscv/include/asm/uaccess.h
+++ b/arch/riscv/include/asm/uaccess.h
@@ -62,6 +62,19 @@ static inline unsigned long __untagged_addr_remote(struct mm_struct *mm, unsigne
 	__asm__ __volatile__ ("csrc sstatus, %0" : : "r" (SR_SUM) : "memory")
 
 /*
+ * This is the smallest unsigned integer type that can fit a value
+ * (up to 'long long')
+ */
+#define __inttype(x) __typeof__(		\
+	__typefits(x, char,			\
+	  __typefits(x, short,			\
+	    __typefits(x, int,			\
+	      __typefits(x, long, 0ULL)))))
+
+#define __typefits(x, type, not) \
+	__builtin_choose_expr(sizeof(x) <= sizeof(type), (unsigned type)0, not)
+
+/*
  * The exception table consists of pairs of addresses: the first is the
  * address of an instruction that is allowed to fault, and the second is
  * the address at which the program should continue.  No registers are
@@ -83,27 +96,58 @@ static inline unsigned long __untagged_addr_remote(struct mm_struct *mm, unsigne
  * call.
  */
 
-#define __get_user_asm(insn, x, ptr, err)			\
+#ifdef CONFIG_CC_HAS_ASM_GOTO_OUTPUT
+#define __get_user_asm(insn, x, ptr, label)			\
+	asm_goto_output(					\
+		"1:\n"						\
+		"	" insn " %0, %1\n"			\
+		_ASM_EXTABLE_UACCESS_ERR(1b, %l2, %0)		\
+		: "=&r" (x)					\
+		: "m" (*(ptr)) : : label)
+#else /* !CONFIG_CC_HAS_ASM_GOTO_OUTPUT */
+#define __get_user_asm(insn, x, ptr, label)			\
 do {								\
-	__typeof__(x) __x;					\
+	long __gua_err = 0;					\
 	__asm__ __volatile__ (					\
 		"1:\n"						\
 		"	" insn " %1, %2\n"			\
 		"2:\n"						\
 		_ASM_EXTABLE_UACCESS_ERR_ZERO(1b, 2b, %0, %1)	\
-		: "+r" (err), "=&r" (__x)			\
+		: "+r" (__gua_err), "=&r" (x)			\
 		: "m" (*(ptr)));				\
-	(x) = __x;						\
+	if (__gua_err)						\
+		goto label;					\
 } while (0)
+#endif /* CONFIG_CC_HAS_ASM_GOTO_OUTPUT */
 
 #ifdef CONFIG_64BIT
-#define __get_user_8(x, ptr, err) \
-	__get_user_asm("ld", x, ptr, err)
+#define __get_user_8(x, ptr, label) \
+	__get_user_asm("ld", x, ptr, label)
 #else /* !CONFIG_64BIT */
-#define __get_user_8(x, ptr, err)				\
+
+#ifdef CONFIG_CC_HAS_ASM_GOTO_OUTPUT
+#define __get_user_8(x, ptr, label)				\
+	u32 __user *__ptr = (u32 __user *)(ptr);		\
+	u32 __lo, __hi;						\
+	asm_goto_output(					\
+		"1:\n"						\
+		"	lw %0, %2\n"				\
+		"2:\n"						\
+		"	lw %1, %3\n"				\
+		_ASM_EXTABLE_UACCESS_ERR(1b, %l4, %0)		\
+		_ASM_EXTABLE_UACCESS_ERR(2b, %l4, %0)		\
+		: "=&r" (__lo), "=r" (__hi)			\
+		: "m" (__ptr[__LSW]), "m" (__ptr[__MSW])	\
+		: : label);                                     \
+	(x) = (__typeof__(x))((__typeof__((x) - (x)))(		\
+		(((u64)__hi << 32) | __lo)));			\
+
+#else /* !CONFIG_CC_HAS_ASM_GOTO_OUTPUT */
+#define __get_user_8(x, ptr, label)				\
 do {								\
 	u32 __user *__ptr = (u32 __user *)(ptr);		\
 	u32 __lo, __hi;						\
+	long __gu8_err = 0;					\
 	__asm__ __volatile__ (					\
 		"1:\n"						\
 		"	lw %1, %3\n"				\
@@ -112,35 +156,62 @@ do {								\
 		"3:\n"						\
 		_ASM_EXTABLE_UACCESS_ERR_ZERO(1b, 3b, %0, %1)	\
 		_ASM_EXTABLE_UACCESS_ERR_ZERO(2b, 3b, %0, %1)	\
-		: "+r" (err), "=&r" (__lo), "=r" (__hi)		\
+		: "+r" (__gu8_err), "=&r" (__lo), "=r" (__hi)	\
 		: "m" (__ptr[__LSW]), "m" (__ptr[__MSW]));	\
-	if (err)						\
+	if (__gu8_err) {					\
 		__hi = 0;					\
-	(x) = (__typeof__(x))((__typeof__((x)-(x)))(		\
+		goto label;					\
+	}							\
+	(x) = (__typeof__(x))((__typeof__((x) - (x)))(		\
 		(((u64)__hi << 32) | __lo)));			\
 } while (0)
+#endif /* CONFIG_CC_HAS_ASM_GOTO_OUTPUT */
+
 #endif /* CONFIG_64BIT */
 
-#define __get_user_nocheck(x, __gu_ptr, __gu_err)		\
+unsigned long __must_check __asm_copy_to_user_sum_enabled(void __user *to,
+	const void *from, unsigned long n);
+unsigned long __must_check __asm_copy_from_user_sum_enabled(void *to,
+	const void __user *from, unsigned long n);
+
+#define __get_user_nocheck(x, __gu_ptr, label)			\
 do {								\
+	if (!IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) &&	\
+	    !IS_ALIGNED((uintptr_t)__gu_ptr, sizeof(*__gu_ptr))) {	\
+		if (__asm_copy_from_user_sum_enabled(&(x), __gu_ptr, sizeof(*__gu_ptr))) \
+			goto label;				\
+		break;						\
+	}							\
 	switch (sizeof(*__gu_ptr)) {				\
 	case 1:							\
-		__get_user_asm("lb", (x), __gu_ptr, __gu_err);	\
+		__get_user_asm("lb", (x), __gu_ptr, label);	\
 		break;						\
 	case 2:							\
-		__get_user_asm("lh", (x), __gu_ptr, __gu_err);	\
+		__get_user_asm("lh", (x), __gu_ptr, label);	\
 		break;						\
 	case 4:							\
-		__get_user_asm("lw", (x), __gu_ptr, __gu_err);	\
+		__get_user_asm("lw", (x), __gu_ptr, label);	\
 		break;						\
 	case 8:							\
-		__get_user_8((x), __gu_ptr, __gu_err);	\
+		__get_user_8((x), __gu_ptr, label);		\
 		break;						\
 	default:						\
 		BUILD_BUG();					\
 	}							\
 } while (0)
 
+#define __get_user_error(x, ptr, err)					\
+do {									\
+	__label__ __gu_failed;						\
+									\
+	__get_user_nocheck(x, ptr, __gu_failed);			\
+		err = 0;						\
+		break;							\
+__gu_failed:								\
+		x = 0;							\
+		err = -EFAULT;						\
+} while (0)
+
 /**
  * __get_user: - Get a simple variable from user space, with less checking.
  * @x:   Variable to store result.
@@ -165,13 +236,16 @@ do {								\
 ({								\
 	const __typeof__(*(ptr)) __user *__gu_ptr = untagged_addr(ptr); \
 	long __gu_err = 0;					\
+	__typeof__(x) __gu_val;					\
 								\
 	__chk_user_ptr(__gu_ptr);				\
 								\
 	__enable_user_access();					\
-	__get_user_nocheck(x, __gu_ptr, __gu_err);		\
+	__get_user_error(__gu_val, __gu_ptr, __gu_err);		\
 	__disable_user_access();				\
 								\
+	(x) = __gu_val;						\
+								\
 	__gu_err;						\
 })
 
@@ -201,61 +275,73 @@ do {								\
 		((x) = (__force __typeof__(x))0, -EFAULT);	\
 })
 
-#define __put_user_asm(insn, x, ptr, err)			\
+#define __put_user_asm(insn, x, ptr, label)			\
 do {								\
 	__typeof__(*(ptr)) __x = x;				\
-	__asm__ __volatile__ (					\
+	asm goto(						\
 		"1:\n"						\
-		"	" insn " %z2, %1\n"			\
-		"2:\n"						\
-		_ASM_EXTABLE_UACCESS_ERR(1b, 2b, %0)		\
-		: "+r" (err), "=m" (*(ptr))			\
-		: "rJ" (__x));					\
+		"	" insn " %z0, %1\n"			\
+		_ASM_EXTABLE(1b, %l2)				\
+		: : "rJ" (__x), "m"(*(ptr)) : : label);		\
 } while (0)
 
 #ifdef CONFIG_64BIT
-#define __put_user_8(x, ptr, err) \
-	__put_user_asm("sd", x, ptr, err)
+#define __put_user_8(x, ptr, label) \
+	__put_user_asm("sd", x, ptr, label)
 #else /* !CONFIG_64BIT */
-#define __put_user_8(x, ptr, err)				\
+#define __put_user_8(x, ptr, label)				\
 do {								\
 	u32 __user *__ptr = (u32 __user *)(ptr);		\
 	u64 __x = (__typeof__((x)-(x)))(x);			\
-	__asm__ __volatile__ (					\
+	asm goto(						\
 		"1:\n"						\
-		"	sw %z3, %1\n"				\
+		"	sw %z0, %2\n"				\
 		"2:\n"						\
-		"	sw %z4, %2\n"				\
-		"3:\n"						\
-		_ASM_EXTABLE_UACCESS_ERR(1b, 3b, %0)		\
-		_ASM_EXTABLE_UACCESS_ERR(2b, 3b, %0)		\
-		: "+r" (err),					\
-			"=m" (__ptr[__LSW]),			\
-			"=m" (__ptr[__MSW])			\
-		: "rJ" (__x), "rJ" (__x >> 32));		\
+		"	sw %z1, %3\n"				\
+		_ASM_EXTABLE(1b, %l4)				\
+		_ASM_EXTABLE(2b, %l4)				\
+		: : "rJ" (__x), "rJ" (__x >> 32),		\
+			"m" (__ptr[__LSW]),			\
+			"m" (__ptr[__MSW]) : : label);		\
 } while (0)
 #endif /* CONFIG_64BIT */
 
-#define __put_user_nocheck(x, __gu_ptr, __pu_err)					\
+#define __put_user_nocheck(x, __gu_ptr, label)			\
 do {								\
+	if (!IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) &&	\
+	    !IS_ALIGNED((uintptr_t)__gu_ptr, sizeof(*__gu_ptr))) {	\
+		__inttype(x) val = (__inttype(x))x;			\
+		if (__asm_copy_to_user_sum_enabled(__gu_ptr, &(val), sizeof(*__gu_ptr))) \
+			goto label;				\
+		break;						\
+	}							\
 	switch (sizeof(*__gu_ptr)) {				\
 	case 1:							\
-		__put_user_asm("sb", (x), __gu_ptr, __pu_err);	\
+		__put_user_asm("sb", (x), __gu_ptr, label);	\
 		break;						\
 	case 2:							\
-		__put_user_asm("sh", (x), __gu_ptr, __pu_err);	\
+		__put_user_asm("sh", (x), __gu_ptr, label);	\
 		break;						\
 	case 4:							\
-		__put_user_asm("sw", (x), __gu_ptr, __pu_err);	\
+		__put_user_asm("sw", (x), __gu_ptr, label);	\
 		break;						\
 	case 8:							\
-		__put_user_8((x), __gu_ptr, __pu_err);	\
+		__put_user_8((x), __gu_ptr, label);		\
 		break;						\
 	default:						\
 		BUILD_BUG();					\
 	}							\
 } while (0)
 
+#define __put_user_error(x, ptr, err)				\
+do {								\
+	__label__ err_label;					\
+	__put_user_nocheck(x, ptr, err_label);			\
+	break;							\
+err_label:							\
+	(err) = -EFAULT;					\
+} while (0)
+
 /**
  * __put_user: - Write a simple value into user space, with less checking.
  * @x:   Value to copy to user space.
@@ -286,7 +372,7 @@ do {								\
 	__chk_user_ptr(__gu_ptr);				\
 								\
 	__enable_user_access();					\
-	__put_user_nocheck(__val, __gu_ptr, __pu_err);		\
+	__put_user_error(__val, __gu_ptr, __pu_err);		\
 	__disable_user_access();				\
 								\
 	__pu_err;						\
@@ -351,23 +437,45 @@ unsigned long __must_check clear_user(void __user *to, unsigned long n)
 }
 
 #define __get_kernel_nofault(dst, src, type, err_label)			\
-do {									\
-	long __kr_err = 0;						\
-									\
-	__get_user_nocheck(*((type *)(dst)), (type *)(src), __kr_err);	\
-	if (unlikely(__kr_err))						\
-		goto err_label;						\
-} while (0)
+	__get_user_nocheck(*((type *)(dst)), (type *)(src), err_label)
 
 #define __put_kernel_nofault(dst, src, type, err_label)			\
-do {									\
-	long __kr_err = 0;						\
-									\
-	__put_user_nocheck(*((type *)(src)), (type *)(dst), __kr_err);	\
-	if (unlikely(__kr_err))						\
-		goto err_label;						\
+	__put_user_nocheck(*((type *)(src)), (type *)(dst), err_label)
+
+static __must_check __always_inline bool user_access_begin(const void __user *ptr, size_t len)
+{
+	if (unlikely(!access_ok(ptr, len)))
+		return 0;
+	__enable_user_access();
+	return 1;
+}
+#define user_access_begin user_access_begin
+#define user_access_end __disable_user_access
+
+static inline unsigned long user_access_save(void) { return 0UL; }
+static inline void user_access_restore(unsigned long enabled) { }
+
+/*
+ * We want the unsafe accessors to always be inlined and use
+ * the error labels - thus the macro games.
+ */
+#define unsafe_put_user(x, ptr, label)					\
+	__put_user_nocheck(x, (ptr), label)
+
+#define unsafe_get_user(x, ptr, label)	do {				\
+	__inttype(*(ptr)) __gu_val;					\
+	__get_user_nocheck(__gu_val, (ptr), label);			\
+	(x) = (__force __typeof__(*(ptr)))__gu_val;			\
 } while (0)
 
+#define unsafe_copy_to_user(_dst, _src, _len, label)			\
+	if (__asm_copy_to_user_sum_enabled(_dst, _src, _len))		\
+		goto label;
+
+#define unsafe_copy_from_user(_dst, _src, _len, label)			\
+	if (__asm_copy_from_user_sum_enabled(_dst, _src, _len))		\
+		goto label;
+
 #else /* CONFIG_MMU */
 #include <asm-generic/uaccess.h>
 #endif /* CONFIG_MMU */
diff --git a/arch/riscv/include/asm/vdso/getrandom.h b/arch/riscv/include/asm/vdso/getrandom.h
new file mode 100644
index 000000000000..8dc92441702a
--- /dev/null
+++ b/arch/riscv/include/asm/vdso/getrandom.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2025 Xi Ruoyao <xry111@xry111.site>. All Rights Reserved.
+ */
+#ifndef __ASM_VDSO_GETRANDOM_H
+#define __ASM_VDSO_GETRANDOM_H
+
+#ifndef __ASSEMBLY__
+
+#include <asm/unistd.h>
+
+static __always_inline ssize_t getrandom_syscall(void *_buffer, size_t _len, unsigned int _flags)
+{
+	register long ret asm("a0");
+	register long nr asm("a7") = __NR_getrandom;
+	register void *buffer asm("a0") = _buffer;
+	register size_t len asm("a1") = _len;
+	register unsigned int flags asm("a2") = _flags;
+
+	asm volatile ("ecall\n"
+		      : "+r" (ret)
+		      : "r" (nr), "r" (buffer), "r" (len), "r" (flags)
+		      : "memory");
+
+	return ret;
+}
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* __ASM_VDSO_GETRANDOM_H */
diff --git a/arch/riscv/include/asm/vector.h b/arch/riscv/include/asm/vector.h
index e8a83f55be2b..45c9b426fcc5 100644
--- a/arch/riscv/include/asm/vector.h
+++ b/arch/riscv/include/asm/vector.h
@@ -120,6 +120,11 @@ static __always_inline void riscv_v_disable(void)
 		csr_clear(CSR_SSTATUS, SR_VS);
 }
 
+static __always_inline bool riscv_v_is_on(void)
+{
+	return !!(csr_read(CSR_SSTATUS) & SR_VS);
+}
+
 static __always_inline void __vstate_csr_save(struct __riscv_v_ext_state *dest)
 {
 	asm volatile (
@@ -366,6 +371,11 @@ static inline void __switch_to_vector(struct task_struct *prev,
 	struct pt_regs *regs;
 
 	if (riscv_preempt_v_started(prev)) {
+		if (riscv_v_is_on()) {
+			WARN_ON(prev->thread.riscv_v_flags & RISCV_V_CTX_DEPTH_MASK);
+			riscv_v_disable();
+			prev->thread.riscv_v_flags |= RISCV_PREEMPT_V_IN_SCHEDULE;
+		}
 		if (riscv_preempt_v_dirty(prev)) {
 			__riscv_v_vstate_save(&prev->thread.kernel_vstate,
 					      prev->thread.kernel_vstate.datap);
@@ -376,10 +386,16 @@ static inline void __switch_to_vector(struct task_struct *prev,
 		riscv_v_vstate_save(&prev->thread.vstate, regs);
 	}
 
-	if (riscv_preempt_v_started(next))
-		riscv_preempt_v_set_restore(next);
-	else
+	if (riscv_preempt_v_started(next)) {
+		if (next->thread.riscv_v_flags & RISCV_PREEMPT_V_IN_SCHEDULE) {
+			next->thread.riscv_v_flags &= ~RISCV_PREEMPT_V_IN_SCHEDULE;
+			riscv_v_enable();
+		} else {
+			riscv_preempt_v_set_restore(next);
+		}
+	} else {
 		riscv_v_vstate_set_restore(next, task_pt_regs(next));
+	}
 }
 
 void riscv_v_vstate_ctrl_init(struct task_struct *tsk);
diff --git a/arch/riscv/include/asm/vendor_extensions/sifive.h b/arch/riscv/include/asm/vendor_extensions/sifive.h
new file mode 100644
index 000000000000..ac00e500361c
--- /dev/null
+++ b/arch/riscv/include/asm/vendor_extensions/sifive.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_RISCV_VENDOR_EXTENSIONS_SIFIVE_H
+#define _ASM_RISCV_VENDOR_EXTENSIONS_SIFIVE_H
+
+#include <asm/vendor_extensions.h>
+
+#include <linux/types.h>
+
+#define RISCV_ISA_VENDOR_EXT_XSFVQMACCDOD		0
+#define RISCV_ISA_VENDOR_EXT_XSFVQMACCQOQ		1
+#define RISCV_ISA_VENDOR_EXT_XSFVFNRCLIPXFQF		2
+#define RISCV_ISA_VENDOR_EXT_XSFVFWMACCQQQ		3
+
+extern struct riscv_isa_vendor_ext_data_list riscv_isa_vendor_ext_list_sifive;
+
+#endif
diff --git a/arch/riscv/include/asm/vendor_extensions/sifive_hwprobe.h b/arch/riscv/include/asm/vendor_extensions/sifive_hwprobe.h
new file mode 100644
index 000000000000..90a61abd033c
--- /dev/null
+++ b/arch/riscv/include/asm/vendor_extensions/sifive_hwprobe.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_RISCV_VENDOR_EXTENSIONS_SIFIVE_HWPROBE_H
+#define _ASM_RISCV_VENDOR_EXTENSIONS_SIFIVE_HWPROBE_H
+
+#include <linux/cpumask.h>
+
+#include <uapi/asm/hwprobe.h>
+
+#ifdef CONFIG_RISCV_ISA_VENDOR_EXT_SIFIVE
+void hwprobe_isa_vendor_ext_sifive_0(struct riscv_hwprobe *pair, const struct cpumask *cpus);
+#else
+static inline void hwprobe_isa_vendor_ext_sifive_0(struct riscv_hwprobe *pair,
+						   const struct cpumask *cpus)
+{
+	pair->value = 0;
+}
+#endif
+
+#endif
diff --git a/arch/riscv/include/uapi/asm/hwprobe.h b/arch/riscv/include/uapi/asm/hwprobe.h
index 3c2fce939673..aaf6ad970499 100644
--- a/arch/riscv/include/uapi/asm/hwprobe.h
+++ b/arch/riscv/include/uapi/asm/hwprobe.h
@@ -81,6 +81,7 @@ struct riscv_hwprobe {
 #define		RISCV_HWPROBE_EXT_ZICBOM	(1ULL << 55)
 #define		RISCV_HWPROBE_EXT_ZAAMO		(1ULL << 56)
 #define		RISCV_HWPROBE_EXT_ZALRSC	(1ULL << 57)
+#define		RISCV_HWPROBE_EXT_ZABHA		(1ULL << 58)
 #define RISCV_HWPROBE_KEY_CPUPERF_0	5
 #define		RISCV_HWPROBE_MISALIGNED_UNKNOWN	(0 << 0)
 #define		RISCV_HWPROBE_MISALIGNED_EMULATED	(1 << 0)
@@ -104,6 +105,7 @@ struct riscv_hwprobe {
 #define		RISCV_HWPROBE_MISALIGNED_VECTOR_UNSUPPORTED	4
 #define RISCV_HWPROBE_KEY_VENDOR_EXT_THEAD_0	11
 #define RISCV_HWPROBE_KEY_ZICBOM_BLOCK_SIZE	12
+#define RISCV_HWPROBE_KEY_VENDOR_EXT_SIFIVE_0	13
 /* Increase RISCV_HWPROBE_MAX_KEY when adding items. */
 
 /* Flags */
diff --git a/arch/riscv/include/uapi/asm/vendor/sifive.h b/arch/riscv/include/uapi/asm/vendor/sifive.h
new file mode 100644
index 000000000000..9f3278a4b298
--- /dev/null
+++ b/arch/riscv/include/uapi/asm/vendor/sifive.h
@@ -0,0 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+
+#define	RISCV_HWPROBE_VENDOR_EXT_XSFVQMACCDOD		(1 << 0)
+#define	RISCV_HWPROBE_VENDOR_EXT_XSFVQMACCQOQ		(1 << 1)
+#define	RISCV_HWPROBE_VENDOR_EXT_XSFVFNRCLIPXFQF		(1 << 2)
+#define	RISCV_HWPROBE_VENDOR_EXT_XSFVFWMACCQQQ		(1 << 3)
diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
index f7480c9c6f8d..c7b542573407 100644
--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
@@ -43,7 +43,7 @@ CFLAGS_sbi_ecall.o += -D__NO_FORTIFY
 endif
 endif
 
-extra-y += vmlinux.lds
+always-$(KBUILD_BUILTIN) += vmlinux.lds
 
 obj-y	+= head.o
 obj-y	+= soc.o
@@ -107,7 +107,7 @@ obj-$(CONFIG_HOTPLUG_CPU)	+= cpu-hotplug.o
 obj-$(CONFIG_PARAVIRT)		+= paravirt.o
 obj-$(CONFIG_KGDB)		+= kgdb.o
 obj-$(CONFIG_KEXEC_CORE)	+= kexec_relocate.o crash_save_regs.o machine_kexec.o
-obj-$(CONFIG_KEXEC_FILE)	+= elf_kexec.o machine_kexec_file.o
+obj-$(CONFIG_KEXEC_FILE)	+= kexec_elf.o kexec_image.o machine_kexec_file.o
 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_VMCORE_INFO)	+= vmcore_info.o
 
diff --git a/arch/riscv/kernel/asm-offsets.c b/arch/riscv/kernel/asm-offsets.c
index 16490755304e..6e8c0d6feae9 100644
--- a/arch/riscv/kernel/asm-offsets.c
+++ b/arch/riscv/kernel/asm-offsets.c
@@ -34,6 +34,7 @@ void asm_offsets(void)
 	OFFSET(TASK_THREAD_S9, task_struct, thread.s[9]);
 	OFFSET(TASK_THREAD_S10, task_struct, thread.s[10]);
 	OFFSET(TASK_THREAD_S11, task_struct, thread.s[11]);
+	OFFSET(TASK_THREAD_SUM, task_struct, thread.sum);
 
 	OFFSET(TASK_TI_CPU, task_struct, thread_info.cpu);
 	OFFSET(TASK_TI_PREEMPT_COUNT, task_struct, thread_info.preempt_count);
@@ -346,6 +347,10 @@ void asm_offsets(void)
 		  offsetof(struct task_struct, thread.s[11])
 		- offsetof(struct task_struct, thread.ra)
 	);
+	DEFINE(TASK_THREAD_SUM_RA,
+		  offsetof(struct task_struct, thread.sum)
+		- offsetof(struct task_struct, thread.ra)
+	);
 
 	DEFINE(TASK_THREAD_F0_F0,
 		  offsetof(struct task_struct, thread.fstate.f[0])
@@ -493,6 +498,12 @@ void asm_offsets(void)
 	DEFINE(STACKFRAME_SIZE_ON_STACK, ALIGN(sizeof(struct stackframe), STACK_ALIGN));
 	OFFSET(STACKFRAME_FP, stackframe, fp);
 	OFFSET(STACKFRAME_RA, stackframe, ra);
+#ifdef CONFIG_FUNCTION_TRACER
+	DEFINE(FTRACE_OPS_FUNC,		offsetof(struct ftrace_ops, func));
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
+	DEFINE(FTRACE_OPS_DIRECT_CALL,	offsetof(struct ftrace_ops, direct_call));
+#endif /* CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS */
+#endif
 
 #ifdef CONFIG_DYNAMIC_FTRACE_WITH_ARGS
 	DEFINE(FREGS_SIZE_ON_STACK, ALIGN(sizeof(struct __arch_ftrace_regs), STACK_ALIGN));
@@ -501,6 +512,13 @@ void asm_offsets(void)
 	DEFINE(FREGS_SP,	    offsetof(struct __arch_ftrace_regs, sp));
 	DEFINE(FREGS_S0,	    offsetof(struct __arch_ftrace_regs, s0));
 	DEFINE(FREGS_T1,	    offsetof(struct __arch_ftrace_regs, t1));
+#ifdef CONFIG_CC_IS_CLANG
+	DEFINE(FREGS_T2,	    offsetof(struct __arch_ftrace_regs, t2));
+	DEFINE(FREGS_T3,	    offsetof(struct __arch_ftrace_regs, t3));
+	DEFINE(FREGS_T4,	    offsetof(struct __arch_ftrace_regs, t4));
+	DEFINE(FREGS_T5,	    offsetof(struct __arch_ftrace_regs, t5));
+	DEFINE(FREGS_T6,	    offsetof(struct __arch_ftrace_regs, t6));
+#endif
 	DEFINE(FREGS_A0,	    offsetof(struct __arch_ftrace_regs, a0));
 	DEFINE(FREGS_A1,	    offsetof(struct __arch_ftrace_regs, a1));
 	DEFINE(FREGS_A2,	    offsetof(struct __arch_ftrace_regs, a2));
diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
index 2054f6c4b0ae..743d53415572 100644
--- a/arch/riscv/kernel/cpufeature.c
+++ b/arch/riscv/kernel/cpufeature.c
@@ -32,6 +32,7 @@
 #define NUM_ALPHA_EXTS ('z' - 'a' + 1)
 
 static bool any_cpu_has_zicboz;
+static bool any_cpu_has_zicbop;
 static bool any_cpu_has_zicbom;
 
 unsigned long elf_hwcap __read_mostly;
@@ -119,6 +120,21 @@ static int riscv_ext_zicboz_validate(const struct riscv_isa_ext_data *data,
 	return 0;
 }
 
+static int riscv_ext_zicbop_validate(const struct riscv_isa_ext_data *data,
+				     const unsigned long *isa_bitmap)
+{
+	if (!riscv_cbop_block_size) {
+		pr_err("Zicbop detected in ISA string, disabling as no cbop-block-size found\n");
+		return -EINVAL;
+	}
+	if (!is_power_of_2(riscv_cbop_block_size)) {
+		pr_err("Zicbop disabled as cbop-block-size present, but is not a power-of-2\n");
+		return -EINVAL;
+	}
+	any_cpu_has_zicbop = true;
+	return 0;
+}
+
 static int riscv_ext_f_validate(const struct riscv_isa_ext_data *data,
 				const unsigned long *isa_bitmap)
 {
@@ -442,6 +458,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
 	__RISCV_ISA_EXT_SUPERSET_VALIDATE(v, RISCV_ISA_EXT_v, riscv_v_exts, riscv_ext_vector_float_validate),
 	__RISCV_ISA_EXT_DATA(h, RISCV_ISA_EXT_h),
 	__RISCV_ISA_EXT_SUPERSET_VALIDATE(zicbom, RISCV_ISA_EXT_ZICBOM, riscv_xlinuxenvcfg_exts, riscv_ext_zicbom_validate),
+	__RISCV_ISA_EXT_DATA_VALIDATE(zicbop, RISCV_ISA_EXT_ZICBOP, riscv_ext_zicbop_validate),
 	__RISCV_ISA_EXT_SUPERSET_VALIDATE(zicboz, RISCV_ISA_EXT_ZICBOZ, riscv_xlinuxenvcfg_exts, riscv_ext_zicboz_validate),
 	__RISCV_ISA_EXT_DATA(ziccrse, RISCV_ISA_EXT_ZICCRSE),
 	__RISCV_ISA_EXT_DATA(zicntr, RISCV_ISA_EXT_ZICNTR),
@@ -1112,6 +1129,10 @@ void __init riscv_user_isa_enable(void)
 		current->thread.envcfg |= ENVCFG_CBCFE;
 	else if (any_cpu_has_zicbom)
 		pr_warn("Zicbom disabled as it is unavailable on some harts\n");
+
+	if (!riscv_has_extension_unlikely(RISCV_ISA_EXT_ZICBOP) &&
+	    any_cpu_has_zicbop)
+		pr_warn("Zicbop disabled as it is unavailable on some harts\n");
 }
 
 #ifdef CONFIG_RISCV_ALTERNATIVE
diff --git a/arch/riscv/kernel/elf_kexec.c b/arch/riscv/kernel/elf_kexec.c
deleted file mode 100644
index e783a72d051f..000000000000
--- a/arch/riscv/kernel/elf_kexec.c
+++ /dev/null
@@ -1,485 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Load ELF vmlinux file for the kexec_file_load syscall.
- *
- * Copyright (C) 2021 Huawei Technologies Co, Ltd.
- *
- * Author: Liao Chang (liaochang1@huawei.com)
- *
- * Based on kexec-tools' kexec-elf-riscv.c, heavily modified
- * for kernel.
- */
-
-#define pr_fmt(fmt)	"kexec_image: " fmt
-
-#include <linux/elf.h>
-#include <linux/kexec.h>
-#include <linux/slab.h>
-#include <linux/of.h>
-#include <linux/libfdt.h>
-#include <linux/types.h>
-#include <linux/memblock.h>
-#include <linux/vmalloc.h>
-#include <asm/setup.h>
-
-int arch_kimage_file_post_load_cleanup(struct kimage *image)
-{
-	kvfree(image->arch.fdt);
-	image->arch.fdt = NULL;
-
-	vfree(image->elf_headers);
-	image->elf_headers = NULL;
-	image->elf_headers_sz = 0;
-
-	return kexec_image_post_load_cleanup_default(image);
-}
-
-static int riscv_kexec_elf_load(struct kimage *image, struct elfhdr *ehdr,
-				struct kexec_elf_info *elf_info, unsigned long old_pbase,
-				unsigned long new_pbase)
-{
-	int i;
-	int ret = 0;
-	size_t size;
-	struct kexec_buf kbuf;
-	const struct elf_phdr *phdr;
-
-	kbuf.image = image;
-
-	for (i = 0; i < ehdr->e_phnum; i++) {
-		phdr = &elf_info->proghdrs[i];
-		if (phdr->p_type != PT_LOAD)
-			continue;
-
-		size = phdr->p_filesz;
-		if (size > phdr->p_memsz)
-			size = phdr->p_memsz;
-
-		kbuf.buffer = (void *) elf_info->buffer + phdr->p_offset;
-		kbuf.bufsz = size;
-		kbuf.buf_align = phdr->p_align;
-		kbuf.mem = phdr->p_paddr - old_pbase + new_pbase;
-		kbuf.memsz = phdr->p_memsz;
-		kbuf.top_down = false;
-		ret = kexec_add_buffer(&kbuf);
-		if (ret)
-			break;
-	}
-
-	return ret;
-}
-
-/*
- * Go through the available phsyical memory regions and find one that hold
- * an image of the specified size.
- */
-static int elf_find_pbase(struct kimage *image, unsigned long kernel_len,
-			  struct elfhdr *ehdr, struct kexec_elf_info *elf_info,
-			  unsigned long *old_pbase, unsigned long *new_pbase)
-{
-	int i;
-	int ret;
-	struct kexec_buf kbuf;
-	const struct elf_phdr *phdr;
-	unsigned long lowest_paddr = ULONG_MAX;
-	unsigned long lowest_vaddr = ULONG_MAX;
-
-	for (i = 0; i < ehdr->e_phnum; i++) {
-		phdr = &elf_info->proghdrs[i];
-		if (phdr->p_type != PT_LOAD)
-			continue;
-
-		if (lowest_paddr > phdr->p_paddr)
-			lowest_paddr = phdr->p_paddr;
-
-		if (lowest_vaddr > phdr->p_vaddr)
-			lowest_vaddr = phdr->p_vaddr;
-	}
-
-	kbuf.image = image;
-	kbuf.buf_min = lowest_paddr;
-	kbuf.buf_max = ULONG_MAX;
-
-	/*
-	 * Current riscv boot protocol requires 2MB alignment for
-	 * RV64 and 4MB alignment for RV32
-	 *
-	 */
-	kbuf.buf_align = PMD_SIZE;
-	kbuf.mem = KEXEC_BUF_MEM_UNKNOWN;
-	kbuf.memsz = ALIGN(kernel_len, PAGE_SIZE);
-	kbuf.top_down = false;
-	ret = arch_kexec_locate_mem_hole(&kbuf);
-	if (!ret) {
-		*old_pbase = lowest_paddr;
-		*new_pbase = kbuf.mem;
-		image->start = ehdr->e_entry - lowest_vaddr + kbuf.mem;
-	}
-	return ret;
-}
-
-#ifdef CONFIG_CRASH_DUMP
-static int get_nr_ram_ranges_callback(struct resource *res, void *arg)
-{
-	unsigned int *nr_ranges = arg;
-
-	(*nr_ranges)++;
-	return 0;
-}
-
-static int prepare_elf64_ram_headers_callback(struct resource *res, void *arg)
-{
-	struct crash_mem *cmem = arg;
-
-	cmem->ranges[cmem->nr_ranges].start = res->start;
-	cmem->ranges[cmem->nr_ranges].end = res->end;
-	cmem->nr_ranges++;
-
-	return 0;
-}
-
-static int prepare_elf_headers(void **addr, unsigned long *sz)
-{
-	struct crash_mem *cmem;
-	unsigned int nr_ranges;
-	int ret;
-
-	nr_ranges = 1; /* For exclusion of crashkernel region */
-	walk_system_ram_res(0, -1, &nr_ranges, get_nr_ram_ranges_callback);
-
-	cmem = kmalloc(struct_size(cmem, ranges, nr_ranges), GFP_KERNEL);
-	if (!cmem)
-		return -ENOMEM;
-
-	cmem->max_nr_ranges = nr_ranges;
-	cmem->nr_ranges = 0;
-	ret = walk_system_ram_res(0, -1, cmem, prepare_elf64_ram_headers_callback);
-	if (ret)
-		goto out;
-
-	/* Exclude crashkernel region */
-	ret = crash_exclude_mem_range(cmem, crashk_res.start, crashk_res.end);
-	if (!ret)
-		ret = crash_prepare_elf64_headers(cmem, true, addr, sz);
-
-out:
-	kfree(cmem);
-	return ret;
-}
-
-static char *setup_kdump_cmdline(struct kimage *image, char *cmdline,
-				 unsigned long cmdline_len)
-{
-	int elfcorehdr_strlen;
-	char *cmdline_ptr;
-
-	cmdline_ptr = kzalloc(COMMAND_LINE_SIZE, GFP_KERNEL);
-	if (!cmdline_ptr)
-		return NULL;
-
-	elfcorehdr_strlen = sprintf(cmdline_ptr, "elfcorehdr=0x%lx ",
-		image->elf_load_addr);
-
-	if (elfcorehdr_strlen + cmdline_len > COMMAND_LINE_SIZE) {
-		pr_err("Appending elfcorehdr=<addr> exceeds cmdline size\n");
-		kfree(cmdline_ptr);
-		return NULL;
-	}
-
-	memcpy(cmdline_ptr + elfcorehdr_strlen, cmdline, cmdline_len);
-	/* Ensure it's nul terminated */
-	cmdline_ptr[COMMAND_LINE_SIZE - 1] = '\0';
-	return cmdline_ptr;
-}
-#endif
-
-static void *elf_kexec_load(struct kimage *image, char *kernel_buf,
-			    unsigned long kernel_len, char *initrd,
-			    unsigned long initrd_len, char *cmdline,
-			    unsigned long cmdline_len)
-{
-	int ret;
-	void *fdt;
-	unsigned long old_kernel_pbase = ULONG_MAX;
-	unsigned long new_kernel_pbase = 0UL;
-	unsigned long initrd_pbase = 0UL;
-	unsigned long kernel_start;
-	struct elfhdr ehdr;
-	struct kexec_buf kbuf;
-	struct kexec_elf_info elf_info;
-	char *modified_cmdline = NULL;
-
-	ret = kexec_build_elf_info(kernel_buf, kernel_len, &ehdr, &elf_info);
-	if (ret)
-		return ERR_PTR(ret);
-
-	ret = elf_find_pbase(image, kernel_len, &ehdr, &elf_info,
-			     &old_kernel_pbase, &new_kernel_pbase);
-	if (ret)
-		goto out;
-	kernel_start = image->start;
-
-	/* Add the kernel binary to the image */
-	ret = riscv_kexec_elf_load(image, &ehdr, &elf_info,
-				   old_kernel_pbase, new_kernel_pbase);
-	if (ret)
-		goto out;
-
-	kbuf.image = image;
-	kbuf.buf_min = new_kernel_pbase + kernel_len;
-	kbuf.buf_max = ULONG_MAX;
-
-#ifdef CONFIG_CRASH_DUMP
-	/* Add elfcorehdr */
-	if (image->type == KEXEC_TYPE_CRASH) {
-		void *headers;
-		unsigned long headers_sz;
-		ret = prepare_elf_headers(&headers, &headers_sz);
-		if (ret) {
-			pr_err("Preparing elf core header failed\n");
-			goto out;
-		}
-
-		kbuf.buffer = headers;
-		kbuf.bufsz = headers_sz;
-		kbuf.mem = KEXEC_BUF_MEM_UNKNOWN;
-		kbuf.memsz = headers_sz;
-		kbuf.buf_align = ELF_CORE_HEADER_ALIGN;
-		kbuf.top_down = true;
-
-		ret = kexec_add_buffer(&kbuf);
-		if (ret) {
-			vfree(headers);
-			goto out;
-		}
-		image->elf_headers = headers;
-		image->elf_load_addr = kbuf.mem;
-		image->elf_headers_sz = headers_sz;
-
-		kexec_dprintk("Loaded elf core header at 0x%lx bufsz=0x%lx memsz=0x%lx\n",
-			      image->elf_load_addr, kbuf.bufsz, kbuf.memsz);
-
-		/* Setup cmdline for kdump kernel case */
-		modified_cmdline = setup_kdump_cmdline(image, cmdline,
-						       cmdline_len);
-		if (!modified_cmdline) {
-			pr_err("Setting up cmdline for kdump kernel failed\n");
-			ret = -EINVAL;
-			goto out;
-		}
-		cmdline = modified_cmdline;
-	}
-#endif
-
-#ifdef CONFIG_ARCH_SUPPORTS_KEXEC_PURGATORY
-	/* Add purgatory to the image */
-	kbuf.top_down = true;
-	kbuf.mem = KEXEC_BUF_MEM_UNKNOWN;
-	ret = kexec_load_purgatory(image, &kbuf);
-	if (ret) {
-		pr_err("Error loading purgatory ret=%d\n", ret);
-		goto out;
-	}
-	kexec_dprintk("Loaded purgatory at 0x%lx\n", kbuf.mem);
-
-	ret = kexec_purgatory_get_set_symbol(image, "riscv_kernel_entry",
-					     &kernel_start,
-					     sizeof(kernel_start), 0);
-	if (ret)
-		pr_err("Error update purgatory ret=%d\n", ret);
-#endif /* CONFIG_ARCH_SUPPORTS_KEXEC_PURGATORY */
-
-	/* Add the initrd to the image */
-	if (initrd != NULL) {
-		kbuf.buffer = initrd;
-		kbuf.bufsz = kbuf.memsz = initrd_len;
-		kbuf.buf_align = PAGE_SIZE;
-		kbuf.top_down = true;
-		kbuf.mem = KEXEC_BUF_MEM_UNKNOWN;
-		ret = kexec_add_buffer(&kbuf);
-		if (ret)
-			goto out;
-		initrd_pbase = kbuf.mem;
-		kexec_dprintk("Loaded initrd at 0x%lx\n", initrd_pbase);
-	}
-
-	/* Add the DTB to the image */
-	fdt = of_kexec_alloc_and_setup_fdt(image, initrd_pbase,
-					   initrd_len, cmdline, 0);
-	if (!fdt) {
-		pr_err("Error setting up the new device tree.\n");
-		ret = -EINVAL;
-		goto out;
-	}
-
-	fdt_pack(fdt);
-	kbuf.buffer = fdt;
-	kbuf.bufsz = kbuf.memsz = fdt_totalsize(fdt);
-	kbuf.buf_align = PAGE_SIZE;
-	kbuf.mem = KEXEC_BUF_MEM_UNKNOWN;
-	kbuf.top_down = true;
-	ret = kexec_add_buffer(&kbuf);
-	if (ret) {
-		pr_err("Error add DTB kbuf ret=%d\n", ret);
-		goto out_free_fdt;
-	}
-	/* Cache the fdt buffer address for memory cleanup */
-	image->arch.fdt = fdt;
-	kexec_dprintk("Loaded device tree at 0x%lx\n", kbuf.mem);
-	goto out;
-
-out_free_fdt:
-	kvfree(fdt);
-out:
-	kfree(modified_cmdline);
-	kexec_free_elf_info(&elf_info);
-	return ret ? ERR_PTR(ret) : NULL;
-}
-
-#define RV_X(x, s, n)  (((x) >> (s)) & ((1 << (n)) - 1))
-#define RISCV_IMM_BITS 12
-#define RISCV_IMM_REACH (1LL << RISCV_IMM_BITS)
-#define RISCV_CONST_HIGH_PART(x) \
-	(((x) + (RISCV_IMM_REACH >> 1)) & ~(RISCV_IMM_REACH - 1))
-#define RISCV_CONST_LOW_PART(x) ((x) - RISCV_CONST_HIGH_PART(x))
-
-#define ENCODE_ITYPE_IMM(x) \
-	(RV_X(x, 0, 12) << 20)
-#define ENCODE_BTYPE_IMM(x) \
-	((RV_X(x, 1, 4) << 8) | (RV_X(x, 5, 6) << 25) | \
-	(RV_X(x, 11, 1) << 7) | (RV_X(x, 12, 1) << 31))
-#define ENCODE_UTYPE_IMM(x) \
-	(RV_X(x, 12, 20) << 12)
-#define ENCODE_JTYPE_IMM(x) \
-	((RV_X(x, 1, 10) << 21) | (RV_X(x, 11, 1) << 20) | \
-	(RV_X(x, 12, 8) << 12) | (RV_X(x, 20, 1) << 31))
-#define ENCODE_CBTYPE_IMM(x) \
-	((RV_X(x, 1, 2) << 3) | (RV_X(x, 3, 2) << 10) | (RV_X(x, 5, 1) << 2) | \
-	(RV_X(x, 6, 2) << 5) | (RV_X(x, 8, 1) << 12))
-#define ENCODE_CJTYPE_IMM(x) \
-	((RV_X(x, 1, 3) << 3) | (RV_X(x, 4, 1) << 11) | (RV_X(x, 5, 1) << 2) | \
-	(RV_X(x, 6, 1) << 7) | (RV_X(x, 7, 1) << 6) | (RV_X(x, 8, 2) << 9) | \
-	(RV_X(x, 10, 1) << 8) | (RV_X(x, 11, 1) << 12))
-#define ENCODE_UJTYPE_IMM(x) \
-	(ENCODE_UTYPE_IMM(RISCV_CONST_HIGH_PART(x)) | \
-	(ENCODE_ITYPE_IMM(RISCV_CONST_LOW_PART(x)) << 32))
-#define ENCODE_UITYPE_IMM(x) \
-	(ENCODE_UTYPE_IMM(x) | (ENCODE_ITYPE_IMM(x) << 32))
-
-#define CLEAN_IMM(type, x) \
-	((~ENCODE_##type##_IMM((uint64_t)(-1))) & (x))
-
-int arch_kexec_apply_relocations_add(struct purgatory_info *pi,
-				     Elf_Shdr *section,
-				     const Elf_Shdr *relsec,
-				     const Elf_Shdr *symtab)
-{
-	const char *strtab, *name, *shstrtab;
-	const Elf_Shdr *sechdrs;
-	Elf64_Rela *relas;
-	int i, r_type;
-
-	/* String & section header string table */
-	sechdrs = (void *)pi->ehdr + pi->ehdr->e_shoff;
-	strtab = (char *)pi->ehdr + sechdrs[symtab->sh_link].sh_offset;
-	shstrtab = (char *)pi->ehdr + sechdrs[pi->ehdr->e_shstrndx].sh_offset;
-
-	relas = (void *)pi->ehdr + relsec->sh_offset;
-
-	for (i = 0; i < relsec->sh_size / sizeof(*relas); i++) {
-		const Elf_Sym *sym;	/* symbol to relocate */
-		unsigned long addr;	/* final location after relocation */
-		unsigned long val;	/* relocated symbol value */
-		unsigned long sec_base;	/* relocated symbol value */
-		void *loc;		/* tmp location to modify */
-
-		sym = (void *)pi->ehdr + symtab->sh_offset;
-		sym += ELF64_R_SYM(relas[i].r_info);
-
-		if (sym->st_name)
-			name = strtab + sym->st_name;
-		else
-			name = shstrtab + sechdrs[sym->st_shndx].sh_name;
-
-		loc = pi->purgatory_buf;
-		loc += section->sh_offset;
-		loc += relas[i].r_offset;
-
-		if (sym->st_shndx == SHN_ABS)
-			sec_base = 0;
-		else if (sym->st_shndx >= pi->ehdr->e_shnum) {
-			pr_err("Invalid section %d for symbol %s\n",
-			       sym->st_shndx, name);
-			return -ENOEXEC;
-		} else
-			sec_base = pi->sechdrs[sym->st_shndx].sh_addr;
-
-		val = sym->st_value;
-		val += sec_base;
-		val += relas[i].r_addend;
-
-		addr = section->sh_addr + relas[i].r_offset;
-
-		r_type = ELF64_R_TYPE(relas[i].r_info);
-
-		switch (r_type) {
-		case R_RISCV_BRANCH:
-			*(u32 *)loc = CLEAN_IMM(BTYPE, *(u32 *)loc) |
-				 ENCODE_BTYPE_IMM(val - addr);
-			break;
-		case R_RISCV_JAL:
-			*(u32 *)loc = CLEAN_IMM(JTYPE, *(u32 *)loc) |
-				 ENCODE_JTYPE_IMM(val - addr);
-			break;
-		/*
-		 * With no R_RISCV_PCREL_LO12_S, R_RISCV_PCREL_LO12_I
-		 * sym is expected to be next to R_RISCV_PCREL_HI20
-		 * in purgatory relsec. Handle it like R_RISCV_CALL
-		 * sym, instead of searching the whole relsec.
-		 */
-		case R_RISCV_PCREL_HI20:
-		case R_RISCV_CALL_PLT:
-		case R_RISCV_CALL:
-			*(u64 *)loc = CLEAN_IMM(UITYPE, *(u64 *)loc) |
-				 ENCODE_UJTYPE_IMM(val - addr);
-			break;
-		case R_RISCV_RVC_BRANCH:
-			*(u32 *)loc = CLEAN_IMM(CBTYPE, *(u32 *)loc) |
-				 ENCODE_CBTYPE_IMM(val - addr);
-			break;
-		case R_RISCV_RVC_JUMP:
-			*(u32 *)loc = CLEAN_IMM(CJTYPE, *(u32 *)loc) |
-				 ENCODE_CJTYPE_IMM(val - addr);
-			break;
-		case R_RISCV_ADD16:
-			*(u16 *)loc += val;
-			break;
-		case R_RISCV_SUB16:
-			*(u16 *)loc -= val;
-			break;
-		case R_RISCV_ADD32:
-			*(u32 *)loc += val;
-			break;
-		case R_RISCV_SUB32:
-			*(u32 *)loc -= val;
-			break;
-		/* It has been applied by R_RISCV_PCREL_HI20 sym */
-		case R_RISCV_PCREL_LO12_I:
-		case R_RISCV_ALIGN:
-		case R_RISCV_RELAX:
-			break;
-		case R_RISCV_64:
-			*(u64 *)loc = val;
-			break;
-		default:
-			pr_err("Unknown rela relocation: %d\n", r_type);
-			return -ENOEXEC;
-		}
-	}
-	return 0;
-}
-
-const struct kexec_file_ops elf_kexec_ops = {
-	.probe = kexec_elf_probe,
-	.load  = elf_kexec_load,
-};
diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S
index 0fb338000c6d..75656afa2d6b 100644
--- a/arch/riscv/kernel/entry.S
+++ b/arch/riscv/kernel/entry.S
@@ -401,9 +401,18 @@ SYM_FUNC_START(__switch_to)
 	REG_S s9,  TASK_THREAD_S9_RA(a3)
 	REG_S s10, TASK_THREAD_S10_RA(a3)
 	REG_S s11, TASK_THREAD_S11_RA(a3)
+
+	/* save the user space access flag */
+	csrr  s0, CSR_STATUS
+	REG_S s0, TASK_THREAD_SUM_RA(a3)
+
 	/* Save the kernel shadow call stack pointer */
 	scs_save_current
 	/* Restore context from next->thread */
+	REG_L s0,  TASK_THREAD_SUM_RA(a4)
+	li    s1,  SR_SUM
+	and   s0,  s0, s1
+	csrs  CSR_STATUS, s0
 	REG_L ra,  TASK_THREAD_RA_RA(a4)
 	REG_L sp,  TASK_THREAD_SP_RA(a4)
 	REG_L s0,  TASK_THREAD_S0_RA(a4)
diff --git a/arch/riscv/kernel/ftrace.c b/arch/riscv/kernel/ftrace.c
index 674dcdfae7a1..4c6c24380cfd 100644
--- a/arch/riscv/kernel/ftrace.c
+++ b/arch/riscv/kernel/ftrace.c
@@ -8,98 +8,129 @@
 #include <linux/ftrace.h>
 #include <linux/uaccess.h>
 #include <linux/memory.h>
+#include <linux/irqflags.h>
 #include <linux/stop_machine.h>
 #include <asm/cacheflush.h>
 #include <asm/text-patching.h>
 
 #ifdef CONFIG_DYNAMIC_FTRACE
-void ftrace_arch_code_modify_prepare(void) __acquires(&text_mutex)
+unsigned long ftrace_call_adjust(unsigned long addr)
 {
-	mutex_lock(&text_mutex);
+	if (IS_ENABLED(CONFIG_DYNAMIC_FTRACE_WITH_CALL_OPS))
+		return addr + 8 + MCOUNT_AUIPC_SIZE;
 
-	/*
-	 * The code sequences we use for ftrace can't be patched while the
-	 * kernel is running, so we need to use stop_machine() to modify them
-	 * for now.  This doesn't play nice with text_mutex, we use this flag
-	 * to elide the check.
-	 */
-	riscv_patch_in_stop_machine = true;
+	return addr + MCOUNT_AUIPC_SIZE;
+}
+
+unsigned long arch_ftrace_get_symaddr(unsigned long fentry_ip)
+{
+	return fentry_ip - MCOUNT_AUIPC_SIZE;
 }
 
-void ftrace_arch_code_modify_post_process(void) __releases(&text_mutex)
+void arch_ftrace_update_code(int command)
 {
-	riscv_patch_in_stop_machine = false;
+	mutex_lock(&text_mutex);
+	command |= FTRACE_MAY_SLEEP;
+	ftrace_modify_all_code(command);
 	mutex_unlock(&text_mutex);
+	flush_icache_all();
 }
 
-static int ftrace_check_current_call(unsigned long hook_pos,
-				     unsigned int *expected)
+static int __ftrace_modify_call(unsigned long source, unsigned long target, bool validate)
 {
+	unsigned int call[2], offset;
 	unsigned int replaced[2];
-	unsigned int nops[2] = {RISCV_INSN_NOP4, RISCV_INSN_NOP4};
 
-	/* we expect nops at the hook position */
-	if (!expected)
-		expected = nops;
+	offset = target - source;
+	call[1] = to_jalr_t0(offset);
 
-	/*
-	 * Read the text we want to modify;
-	 * return must be -EFAULT on read error
-	 */
-	if (copy_from_kernel_nofault(replaced, (void *)hook_pos,
-			MCOUNT_INSN_SIZE))
-		return -EFAULT;
-
-	/*
-	 * Make sure it is what we expect it to be;
-	 * return must be -EINVAL on failed comparison
-	 */
-	if (memcmp(expected, replaced, sizeof(replaced))) {
-		pr_err("%p: expected (%08x %08x) but got (%08x %08x)\n",
-		       (void *)hook_pos, expected[0], expected[1], replaced[0],
-		       replaced[1]);
-		return -EINVAL;
+	if (validate) {
+		call[0] = to_auipc_t0(offset);
+		/*
+		 * Read the text we want to modify;
+		 * return must be -EFAULT on read error
+		 */
+		if (copy_from_kernel_nofault(replaced, (void *)source, 2 * MCOUNT_INSN_SIZE))
+			return -EFAULT;
+
+		if (replaced[0] != call[0]) {
+			pr_err("%p: expected (%08x) but got (%08x)\n",
+			       (void *)source, call[0], replaced[0]);
+			return -EINVAL;
+		}
 	}
 
+	/* Replace the jalr at once. Return -EPERM on write error. */
+	if (patch_insn_write((void *)(source + MCOUNT_AUIPC_SIZE), call + 1, MCOUNT_JALR_SIZE))
+		return -EPERM;
+
 	return 0;
 }
 
-static int __ftrace_modify_call(unsigned long hook_pos, unsigned long target,
-				bool enable, bool ra)
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_CALL_OPS
+static const struct ftrace_ops *riscv64_rec_get_ops(struct dyn_ftrace *rec)
 {
-	unsigned int call[2];
-	unsigned int nops[2] = {RISCV_INSN_NOP4, RISCV_INSN_NOP4};
+	const struct ftrace_ops *ops = NULL;
 
-	if (ra)
-		make_call_ra(hook_pos, target, call);
-	else
-		make_call_t0(hook_pos, target, call);
+	if (rec->flags & FTRACE_FL_CALL_OPS_EN) {
+		ops = ftrace_find_unique_ops(rec);
+		WARN_ON_ONCE(!ops);
+	}
 
-	/* Replace the auipc-jalr pair at once. Return -EPERM on write error. */
-	if (patch_insn_write((void *)hook_pos, enable ? call : nops, MCOUNT_INSN_SIZE))
-		return -EPERM;
+	if (!ops)
+		ops = &ftrace_list_ops;
 
-	return 0;
+	return ops;
+}
+
+static int ftrace_rec_set_ops(const struct dyn_ftrace *rec, const struct ftrace_ops *ops)
+{
+	unsigned long literal = ALIGN_DOWN(rec->ip - 12, 8);
+
+	return patch_text_nosync((void *)literal, &ops, sizeof(ops));
+}
+
+static int ftrace_rec_set_nop_ops(struct dyn_ftrace *rec)
+{
+	return ftrace_rec_set_ops(rec, &ftrace_nop_ops);
+}
+
+static int ftrace_rec_update_ops(struct dyn_ftrace *rec)
+{
+	return ftrace_rec_set_ops(rec, riscv64_rec_get_ops(rec));
 }
+#else
+static int ftrace_rec_set_nop_ops(struct dyn_ftrace *rec) { return 0; }
+static int ftrace_rec_update_ops(struct dyn_ftrace *rec) { return 0; }
+#endif
 
 int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
 {
-	unsigned int call[2];
+	unsigned long distance, orig_addr, pc = rec->ip - MCOUNT_AUIPC_SIZE;
+	int ret;
 
-	make_call_t0(rec->ip, addr, call);
+	ret = ftrace_rec_update_ops(rec);
+	if (ret)
+		return ret;
 
-	if (patch_insn_write((void *)rec->ip, call, MCOUNT_INSN_SIZE))
-		return -EPERM;
+	orig_addr = (unsigned long)&ftrace_caller;
+	distance = addr > orig_addr ? addr - orig_addr : orig_addr - addr;
+	if (distance > JALR_RANGE)
+		addr = FTRACE_ADDR;
 
-	return 0;
+	return __ftrace_modify_call(pc, addr, false);
 }
 
-int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec,
-		    unsigned long addr)
+int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec, unsigned long addr)
 {
-	unsigned int nops[2] = {RISCV_INSN_NOP4, RISCV_INSN_NOP4};
+	u32 nop4 = RISCV_INSN_NOP4;
+	int ret;
 
-	if (patch_insn_write((void *)rec->ip, nops, MCOUNT_INSN_SIZE))
+	ret = ftrace_rec_set_nop_ops(rec);
+	if (ret)
+		return ret;
+
+	if (patch_insn_write((void *)rec->ip, &nop4, MCOUNT_NOP4_SIZE))
 		return -EPERM;
 
 	return 0;
@@ -114,75 +145,71 @@ int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec,
  */
 int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec)
 {
-	int out;
+	unsigned long pc = rec->ip - MCOUNT_AUIPC_SIZE;
+	unsigned int nops[2], offset;
+	int ret;
 
-	mutex_lock(&text_mutex);
-	out = ftrace_make_nop(mod, rec, MCOUNT_ADDR);
-	mutex_unlock(&text_mutex);
+	ret = ftrace_rec_set_nop_ops(rec);
+	if (ret)
+		return ret;
 
-	return out;
-}
+	offset = (unsigned long) &ftrace_caller - pc;
+	nops[0] = to_auipc_t0(offset);
+	nops[1] = RISCV_INSN_NOP4;
 
-int ftrace_update_ftrace_func(ftrace_func_t func)
-{
-	int ret = __ftrace_modify_call((unsigned long)&ftrace_call,
-				       (unsigned long)func, true, true);
+	mutex_lock(&text_mutex);
+	ret = patch_insn_write((void *)pc, nops, 2 * MCOUNT_INSN_SIZE);
+	mutex_unlock(&text_mutex);
 
 	return ret;
 }
 
-struct ftrace_modify_param {
-	int command;
-	atomic_t cpu_count;
-};
-
-static int __ftrace_modify_code(void *data)
+ftrace_func_t ftrace_call_dest = ftrace_stub;
+int ftrace_update_ftrace_func(ftrace_func_t func)
 {
-	struct ftrace_modify_param *param = data;
-
-	if (atomic_inc_return(&param->cpu_count) == num_online_cpus()) {
-		ftrace_modify_all_code(param->command);
-		/*
-		 * Make sure the patching store is effective *before* we
-		 * increment the counter which releases all waiting CPUs
-		 * by using the release variant of atomic increment. The
-		 * release pairs with the call to local_flush_icache_all()
-		 * on the waiting CPU.
-		 */
-		atomic_inc_return_release(&param->cpu_count);
-	} else {
-		while (atomic_read(&param->cpu_count) <= num_online_cpus())
-			cpu_relax();
-
-		local_flush_icache_all();
-	}
+	/*
+	 * When using CALL_OPS, the function to call is associated with the
+	 * call site, and we don't have a global function pointer to update.
+	 */
+	if (IS_ENABLED(CONFIG_DYNAMIC_FTRACE_WITH_CALL_OPS))
+		return 0;
 
+	WRITE_ONCE(ftrace_call_dest, func);
+	/*
+	 * The data fence ensure that the update to ftrace_call_dest happens
+	 * before the write to function_trace_op later in the generic ftrace.
+	 * If the sequence is not enforced, then an old ftrace_call_dest may
+	 * race loading a new function_trace_op set in ftrace_modify_all_code
+	 */
+	smp_wmb();
+	/*
+	 * Updating ftrace dpes not take stop_machine path, so irqs should not
+	 * be disabled.
+	 */
+	WARN_ON(irqs_disabled());
+	smp_call_function(ftrace_sync_ipi, NULL, 1);
 	return 0;
 }
 
-void arch_ftrace_update_code(int command)
+#else /* CONFIG_DYNAMIC_FTRACE */
+unsigned long ftrace_call_adjust(unsigned long addr)
 {
-	struct ftrace_modify_param param = { command, ATOMIC_INIT(0) };
-
-	stop_machine(__ftrace_modify_code, &param, cpu_online_mask);
+	return addr;
 }
-#endif
+#endif /* CONFIG_DYNAMIC_FTRACE */
 
 #ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
 int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr,
 		       unsigned long addr)
 {
-	unsigned int call[2];
-	unsigned long caller = rec->ip;
+	unsigned long caller = rec->ip - MCOUNT_AUIPC_SIZE;
 	int ret;
 
-	make_call_t0(caller, old_addr, call);
-	ret = ftrace_check_current_call(caller, call);
-
+	ret = ftrace_rec_update_ops(rec);
 	if (ret)
 		return ret;
 
-	return __ftrace_modify_call(caller, addr, true, false);
+	return __ftrace_modify_call(caller, FTRACE_ADDR, true);
 }
 #endif
 
@@ -210,7 +237,6 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
 }
 
 #ifdef CONFIG_DYNAMIC_FTRACE
-#ifdef CONFIG_DYNAMIC_FTRACE_WITH_ARGS
 void ftrace_graph_func(unsigned long ip, unsigned long parent_ip,
 		       struct ftrace_ops *op, struct ftrace_regs *fregs)
 {
@@ -231,19 +257,5 @@ void ftrace_graph_func(unsigned long ip, unsigned long parent_ip,
 	if (!function_graph_enter_regs(old, ip, frame_pointer, parent, fregs))
 		*parent = return_hooker;
 }
-#else /* CONFIG_DYNAMIC_FTRACE_WITH_ARGS */
-extern void ftrace_graph_call(void);
-int ftrace_enable_ftrace_graph_caller(void)
-{
-	return __ftrace_modify_call((unsigned long)&ftrace_graph_call,
-				    (unsigned long)&prepare_ftrace_return, true, true);
-}
-
-int ftrace_disable_ftrace_graph_caller(void)
-{
-	return __ftrace_modify_call((unsigned long)&ftrace_graph_call,
-				    (unsigned long)&prepare_ftrace_return, false, true);
-}
-#endif /* CONFIG_DYNAMIC_FTRACE_WITH_ARGS */
 #endif /* CONFIG_DYNAMIC_FTRACE */
 #endif /* CONFIG_FUNCTION_GRAPH_TRACER */
diff --git a/arch/riscv/kernel/kexec_elf.c b/arch/riscv/kernel/kexec_elf.c
new file mode 100644
index 000000000000..f4755d49b89e
--- /dev/null
+++ b/arch/riscv/kernel/kexec_elf.c
@@ -0,0 +1,144 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Load ELF vmlinux file for the kexec_file_load syscall.
+ *
+ * Copyright (C) 2021 Huawei Technologies Co, Ltd.
+ *
+ * Author: Liao Chang (liaochang1@huawei.com)
+ *
+ * Based on kexec-tools' kexec-elf-riscv.c, heavily modified
+ * for kernel.
+ */
+
+#define pr_fmt(fmt)	"kexec_image: " fmt
+
+#include <linux/elf.h>
+#include <linux/kexec.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/libfdt.h>
+#include <linux/types.h>
+#include <linux/memblock.h>
+#include <asm/setup.h>
+
+static int riscv_kexec_elf_load(struct kimage *image, struct elfhdr *ehdr,
+				struct kexec_elf_info *elf_info, unsigned long old_pbase,
+				unsigned long new_pbase)
+{
+	int i;
+	int ret = 0;
+	size_t size;
+	struct kexec_buf kbuf;
+	const struct elf_phdr *phdr;
+
+	kbuf.image = image;
+
+	for (i = 0; i < ehdr->e_phnum; i++) {
+		phdr = &elf_info->proghdrs[i];
+		if (phdr->p_type != PT_LOAD)
+			continue;
+
+		size = phdr->p_filesz;
+		if (size > phdr->p_memsz)
+			size = phdr->p_memsz;
+
+		kbuf.buffer = (void *) elf_info->buffer + phdr->p_offset;
+		kbuf.bufsz = size;
+		kbuf.buf_align = phdr->p_align;
+		kbuf.mem = phdr->p_paddr - old_pbase + new_pbase;
+		kbuf.memsz = phdr->p_memsz;
+		kbuf.top_down = false;
+		ret = kexec_add_buffer(&kbuf);
+		if (ret)
+			break;
+	}
+
+	return ret;
+}
+
+/*
+ * Go through the available phsyical memory regions and find one that hold
+ * an image of the specified size.
+ */
+static int elf_find_pbase(struct kimage *image, unsigned long kernel_len,
+			  struct elfhdr *ehdr, struct kexec_elf_info *elf_info,
+			  unsigned long *old_pbase, unsigned long *new_pbase)
+{
+	int i;
+	int ret;
+	struct kexec_buf kbuf;
+	const struct elf_phdr *phdr;
+	unsigned long lowest_paddr = ULONG_MAX;
+	unsigned long lowest_vaddr = ULONG_MAX;
+
+	for (i = 0; i < ehdr->e_phnum; i++) {
+		phdr = &elf_info->proghdrs[i];
+		if (phdr->p_type != PT_LOAD)
+			continue;
+
+		if (lowest_paddr > phdr->p_paddr)
+			lowest_paddr = phdr->p_paddr;
+
+		if (lowest_vaddr > phdr->p_vaddr)
+			lowest_vaddr = phdr->p_vaddr;
+	}
+
+	kbuf.image = image;
+	kbuf.buf_min = lowest_paddr;
+	kbuf.buf_max = ULONG_MAX;
+
+	/*
+	 * Current riscv boot protocol requires 2MB alignment for
+	 * RV64 and 4MB alignment for RV32
+	 *
+	 */
+	kbuf.buf_align = PMD_SIZE;
+	kbuf.mem = KEXEC_BUF_MEM_UNKNOWN;
+	kbuf.memsz = ALIGN(kernel_len, PAGE_SIZE);
+	kbuf.top_down = false;
+	ret = arch_kexec_locate_mem_hole(&kbuf);
+	if (!ret) {
+		*old_pbase = lowest_paddr;
+		*new_pbase = kbuf.mem;
+		image->start = ehdr->e_entry - lowest_vaddr + kbuf.mem;
+	}
+	return ret;
+}
+
+static void *elf_kexec_load(struct kimage *image, char *kernel_buf,
+			    unsigned long kernel_len, char *initrd,
+			    unsigned long initrd_len, char *cmdline,
+			    unsigned long cmdline_len)
+{
+	int ret;
+	unsigned long old_kernel_pbase = ULONG_MAX;
+	unsigned long new_kernel_pbase = 0UL;
+	struct elfhdr ehdr;
+	struct kexec_elf_info elf_info;
+
+	ret = kexec_build_elf_info(kernel_buf, kernel_len, &ehdr, &elf_info);
+	if (ret)
+		return ERR_PTR(ret);
+
+	ret = elf_find_pbase(image, kernel_len, &ehdr, &elf_info,
+			     &old_kernel_pbase, &new_kernel_pbase);
+	if (ret)
+		goto out;
+
+	/* Add the kernel binary to the image */
+	ret = riscv_kexec_elf_load(image, &ehdr, &elf_info,
+				   old_kernel_pbase, new_kernel_pbase);
+	if (ret)
+		goto out;
+
+	ret = load_extra_segments(image, image->start, kernel_len,
+				  initrd, initrd_len, cmdline, cmdline_len);
+out:
+	kexec_free_elf_info(&elf_info);
+	return ret ? ERR_PTR(ret) : NULL;
+}
+
+const struct kexec_file_ops elf_kexec_ops = {
+	.probe = kexec_elf_probe,
+	.load  = elf_kexec_load,
+};
diff --git a/arch/riscv/kernel/kexec_image.c b/arch/riscv/kernel/kexec_image.c
new file mode 100644
index 000000000000..26a81774a78a
--- /dev/null
+++ b/arch/riscv/kernel/kexec_image.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * RISC-V Kexec image loader
+ *
+ */
+
+#define pr_fmt(fmt)	"kexec_file(Image): " fmt
+
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/kexec.h>
+#include <linux/pe.h>
+#include <linux/string.h>
+#include <asm/byteorder.h>
+#include <asm/image.h>
+
+static int image_probe(const char *kernel_buf, unsigned long kernel_len)
+{
+	const struct riscv_image_header *h = (const struct riscv_image_header *)kernel_buf;
+
+	if (!h || kernel_len < sizeof(*h))
+		return -EINVAL;
+
+	/* According to Documentation/riscv/boot-image-header.rst,
+	 * use "magic2" field to check when version >= 0.2.
+	 */
+
+	if (h->version >= RISCV_HEADER_VERSION &&
+	    memcmp(&h->magic2, RISCV_IMAGE_MAGIC2, sizeof(h->magic2)))
+		return -EINVAL;
+
+	return 0;
+}
+
+static void *image_load(struct kimage *image,
+			char *kernel, unsigned long kernel_len,
+			char *initrd, unsigned long initrd_len,
+			char *cmdline, unsigned long cmdline_len)
+{
+	struct riscv_image_header *h;
+	u64 flags;
+	bool be_image, be_kernel;
+	struct kexec_buf kbuf;
+	int ret;
+
+	/* Check Image header */
+	h = (struct riscv_image_header *)kernel;
+	if (!h->image_size) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	/* Check endianness */
+	flags = le64_to_cpu(h->flags);
+	be_image = riscv_image_flag_field(flags, RISCV_IMAGE_FLAG_BE);
+	be_kernel = IS_ENABLED(CONFIG_CPU_BIG_ENDIAN);
+	if (be_image != be_kernel) {
+		ret = -EINVAL;
+		goto out;
+	}
+
+	/* Load the kernel image */
+	kbuf.image = image;
+	kbuf.buf_min = 0;
+	kbuf.buf_max = ULONG_MAX;
+	kbuf.top_down = false;
+
+	kbuf.buffer = kernel;
+	kbuf.bufsz = kernel_len;
+	kbuf.mem = KEXEC_BUF_MEM_UNKNOWN;
+	kbuf.memsz = le64_to_cpu(h->image_size);
+	kbuf.buf_align = le64_to_cpu(h->text_offset);
+
+	ret = kexec_add_buffer(&kbuf);
+	if (ret) {
+		pr_err("Error add kernel image ret=%d\n", ret);
+		goto out;
+	}
+
+	image->start = kbuf.mem;
+
+	pr_info("Loaded kernel at 0x%lx bufsz=0x%lx memsz=0x%lx\n",
+		kbuf.mem, kbuf.bufsz, kbuf.memsz);
+
+	ret = load_extra_segments(image, kbuf.mem, kbuf.memsz,
+				  initrd, initrd_len, cmdline, cmdline_len);
+
+out:
+	return ret ? ERR_PTR(ret) : NULL;
+}
+
+const struct kexec_file_ops image_kexec_ops = {
+	.probe = image_probe,
+	.load = image_load,
+};
diff --git a/arch/riscv/kernel/machine_kexec_file.c b/arch/riscv/kernel/machine_kexec_file.c
index b0bf8c1722c0..e36104af2e24 100644
--- a/arch/riscv/kernel/machine_kexec_file.c
+++ b/arch/riscv/kernel/machine_kexec_file.c
@@ -7,8 +7,369 @@
  * Author: Liao Chang (liaochang1@huawei.com)
  */
 #include <linux/kexec.h>
+#include <linux/elf.h>
+#include <linux/slab.h>
+#include <linux/of.h>
+#include <linux/libfdt.h>
+#include <linux/types.h>
+#include <linux/memblock.h>
+#include <linux/vmalloc.h>
+#include <asm/setup.h>
 
 const struct kexec_file_ops * const kexec_file_loaders[] = {
 	&elf_kexec_ops,
+	&image_kexec_ops,
 	NULL
 };
+
+int arch_kimage_file_post_load_cleanup(struct kimage *image)
+{
+	kvfree(image->arch.fdt);
+	image->arch.fdt = NULL;
+
+	vfree(image->elf_headers);
+	image->elf_headers = NULL;
+	image->elf_headers_sz = 0;
+
+	return kexec_image_post_load_cleanup_default(image);
+}
+
+#ifdef CONFIG_CRASH_DUMP
+static int get_nr_ram_ranges_callback(struct resource *res, void *arg)
+{
+	unsigned int *nr_ranges = arg;
+
+	(*nr_ranges)++;
+	return 0;
+}
+
+static int prepare_elf64_ram_headers_callback(struct resource *res, void *arg)
+{
+	struct crash_mem *cmem = arg;
+
+	cmem->ranges[cmem->nr_ranges].start = res->start;
+	cmem->ranges[cmem->nr_ranges].end = res->end;
+	cmem->nr_ranges++;
+
+	return 0;
+}
+
+static int prepare_elf_headers(void **addr, unsigned long *sz)
+{
+	struct crash_mem *cmem;
+	unsigned int nr_ranges;
+	int ret;
+
+	nr_ranges = 1; /* For exclusion of crashkernel region */
+	walk_system_ram_res(0, -1, &nr_ranges, get_nr_ram_ranges_callback);
+
+	cmem = kmalloc(struct_size(cmem, ranges, nr_ranges), GFP_KERNEL);
+	if (!cmem)
+		return -ENOMEM;
+
+	cmem->max_nr_ranges = nr_ranges;
+	cmem->nr_ranges = 0;
+	ret = walk_system_ram_res(0, -1, cmem, prepare_elf64_ram_headers_callback);
+	if (ret)
+		goto out;
+
+	/* Exclude crashkernel region */
+	ret = crash_exclude_mem_range(cmem, crashk_res.start, crashk_res.end);
+	if (!ret)
+		ret = crash_prepare_elf64_headers(cmem, true, addr, sz);
+
+out:
+	kfree(cmem);
+	return ret;
+}
+
+static char *setup_kdump_cmdline(struct kimage *image, char *cmdline,
+				 unsigned long cmdline_len)
+{
+	int elfcorehdr_strlen;
+	char *cmdline_ptr;
+
+	cmdline_ptr = kzalloc(COMMAND_LINE_SIZE, GFP_KERNEL);
+	if (!cmdline_ptr)
+		return NULL;
+
+	elfcorehdr_strlen = sprintf(cmdline_ptr, "elfcorehdr=0x%lx ",
+		image->elf_load_addr);
+
+	if (elfcorehdr_strlen + cmdline_len > COMMAND_LINE_SIZE) {
+		pr_err("Appending elfcorehdr=<addr> exceeds cmdline size\n");
+		kfree(cmdline_ptr);
+		return NULL;
+	}
+
+	memcpy(cmdline_ptr + elfcorehdr_strlen, cmdline, cmdline_len);
+	/* Ensure it's nul terminated */
+	cmdline_ptr[COMMAND_LINE_SIZE - 1] = '\0';
+	return cmdline_ptr;
+}
+#endif
+
+#define RV_X(x, s, n)  (((x) >> (s)) & ((1 << (n)) - 1))
+#define RISCV_IMM_BITS 12
+#define RISCV_IMM_REACH (1LL << RISCV_IMM_BITS)
+#define RISCV_CONST_HIGH_PART(x) \
+	(((x) + (RISCV_IMM_REACH >> 1)) & ~(RISCV_IMM_REACH - 1))
+#define RISCV_CONST_LOW_PART(x) ((x) - RISCV_CONST_HIGH_PART(x))
+
+#define ENCODE_ITYPE_IMM(x) \
+	(RV_X(x, 0, 12) << 20)
+#define ENCODE_BTYPE_IMM(x) \
+	((RV_X(x, 1, 4) << 8) | (RV_X(x, 5, 6) << 25) | \
+	(RV_X(x, 11, 1) << 7) | (RV_X(x, 12, 1) << 31))
+#define ENCODE_UTYPE_IMM(x) \
+	(RV_X(x, 12, 20) << 12)
+#define ENCODE_JTYPE_IMM(x) \
+	((RV_X(x, 1, 10) << 21) | (RV_X(x, 11, 1) << 20) | \
+	(RV_X(x, 12, 8) << 12) | (RV_X(x, 20, 1) << 31))
+#define ENCODE_CBTYPE_IMM(x) \
+	((RV_X(x, 1, 2) << 3) | (RV_X(x, 3, 2) << 10) | (RV_X(x, 5, 1) << 2) | \
+	(RV_X(x, 6, 2) << 5) | (RV_X(x, 8, 1) << 12))
+#define ENCODE_CJTYPE_IMM(x) \
+	((RV_X(x, 1, 3) << 3) | (RV_X(x, 4, 1) << 11) | (RV_X(x, 5, 1) << 2) | \
+	(RV_X(x, 6, 1) << 7) | (RV_X(x, 7, 1) << 6) | (RV_X(x, 8, 2) << 9) | \
+	(RV_X(x, 10, 1) << 8) | (RV_X(x, 11, 1) << 12))
+#define ENCODE_UJTYPE_IMM(x) \
+	(ENCODE_UTYPE_IMM(RISCV_CONST_HIGH_PART(x)) | \
+	(ENCODE_ITYPE_IMM(RISCV_CONST_LOW_PART(x)) << 32))
+#define ENCODE_UITYPE_IMM(x) \
+	(ENCODE_UTYPE_IMM(x) | (ENCODE_ITYPE_IMM(x) << 32))
+
+#define CLEAN_IMM(type, x) \
+	((~ENCODE_##type##_IMM((uint64_t)(-1))) & (x))
+
+int arch_kexec_apply_relocations_add(struct purgatory_info *pi,
+				     Elf_Shdr *section,
+				     const Elf_Shdr *relsec,
+				     const Elf_Shdr *symtab)
+{
+	const char *strtab, *name, *shstrtab;
+	const Elf_Shdr *sechdrs;
+	Elf64_Rela *relas;
+	int i, r_type;
+
+	/* String & section header string table */
+	sechdrs = (void *)pi->ehdr + pi->ehdr->e_shoff;
+	strtab = (char *)pi->ehdr + sechdrs[symtab->sh_link].sh_offset;
+	shstrtab = (char *)pi->ehdr + sechdrs[pi->ehdr->e_shstrndx].sh_offset;
+
+	relas = (void *)pi->ehdr + relsec->sh_offset;
+
+	for (i = 0; i < relsec->sh_size / sizeof(*relas); i++) {
+		const Elf_Sym *sym;	/* symbol to relocate */
+		unsigned long addr;	/* final location after relocation */
+		unsigned long val;	/* relocated symbol value */
+		unsigned long sec_base;	/* relocated symbol value */
+		void *loc;		/* tmp location to modify */
+
+		sym = (void *)pi->ehdr + symtab->sh_offset;
+		sym += ELF64_R_SYM(relas[i].r_info);
+
+		if (sym->st_name)
+			name = strtab + sym->st_name;
+		else
+			name = shstrtab + sechdrs[sym->st_shndx].sh_name;
+
+		loc = pi->purgatory_buf;
+		loc += section->sh_offset;
+		loc += relas[i].r_offset;
+
+		if (sym->st_shndx == SHN_ABS)
+			sec_base = 0;
+		else if (sym->st_shndx >= pi->ehdr->e_shnum) {
+			pr_err("Invalid section %d for symbol %s\n",
+			       sym->st_shndx, name);
+			return -ENOEXEC;
+		} else
+			sec_base = pi->sechdrs[sym->st_shndx].sh_addr;
+
+		val = sym->st_value;
+		val += sec_base;
+		val += relas[i].r_addend;
+
+		addr = section->sh_addr + relas[i].r_offset;
+
+		r_type = ELF64_R_TYPE(relas[i].r_info);
+
+		switch (r_type) {
+		case R_RISCV_BRANCH:
+			*(u32 *)loc = CLEAN_IMM(BTYPE, *(u32 *)loc) |
+				 ENCODE_BTYPE_IMM(val - addr);
+			break;
+		case R_RISCV_JAL:
+			*(u32 *)loc = CLEAN_IMM(JTYPE, *(u32 *)loc) |
+				 ENCODE_JTYPE_IMM(val - addr);
+			break;
+		/*
+		 * With no R_RISCV_PCREL_LO12_S, R_RISCV_PCREL_LO12_I
+		 * sym is expected to be next to R_RISCV_PCREL_HI20
+		 * in purgatory relsec. Handle it like R_RISCV_CALL
+		 * sym, instead of searching the whole relsec.
+		 */
+		case R_RISCV_PCREL_HI20:
+		case R_RISCV_CALL_PLT:
+		case R_RISCV_CALL:
+			*(u64 *)loc = CLEAN_IMM(UITYPE, *(u64 *)loc) |
+				 ENCODE_UJTYPE_IMM(val - addr);
+			break;
+		case R_RISCV_RVC_BRANCH:
+			*(u32 *)loc = CLEAN_IMM(CBTYPE, *(u32 *)loc) |
+				 ENCODE_CBTYPE_IMM(val - addr);
+			break;
+		case R_RISCV_RVC_JUMP:
+			*(u32 *)loc = CLEAN_IMM(CJTYPE, *(u32 *)loc) |
+				 ENCODE_CJTYPE_IMM(val - addr);
+			break;
+		case R_RISCV_ADD16:
+			*(u16 *)loc += val;
+			break;
+		case R_RISCV_SUB16:
+			*(u16 *)loc -= val;
+			break;
+		case R_RISCV_ADD32:
+			*(u32 *)loc += val;
+			break;
+		case R_RISCV_SUB32:
+			*(u32 *)loc -= val;
+			break;
+		/* It has been applied by R_RISCV_PCREL_HI20 sym */
+		case R_RISCV_PCREL_LO12_I:
+		case R_RISCV_ALIGN:
+		case R_RISCV_RELAX:
+			break;
+		case R_RISCV_64:
+			*(u64 *)loc = val;
+			break;
+		default:
+			pr_err("Unknown rela relocation: %d\n", r_type);
+			return -ENOEXEC;
+		}
+	}
+	return 0;
+}
+
+
+int load_extra_segments(struct kimage *image, unsigned long kernel_start,
+			    unsigned long kernel_len, char *initrd,
+			    unsigned long initrd_len, char *cmdline,
+			    unsigned long cmdline_len)
+{
+	int ret;
+	void *fdt;
+	unsigned long initrd_pbase = 0UL;
+	struct kexec_buf kbuf;
+	char *modified_cmdline = NULL;
+
+	kbuf.image = image;
+	kbuf.buf_min = kernel_start + kernel_len;
+	kbuf.buf_max = ULONG_MAX;
+
+#ifdef CONFIG_CRASH_DUMP
+	/* Add elfcorehdr */
+	if (image->type == KEXEC_TYPE_CRASH) {
+		void *headers;
+		unsigned long headers_sz;
+		ret = prepare_elf_headers(&headers, &headers_sz);
+		if (ret) {
+			pr_err("Preparing elf core header failed\n");
+			goto out;
+		}
+
+		kbuf.buffer = headers;
+		kbuf.bufsz = headers_sz;
+		kbuf.mem = KEXEC_BUF_MEM_UNKNOWN;
+		kbuf.memsz = headers_sz;
+		kbuf.buf_align = ELF_CORE_HEADER_ALIGN;
+		kbuf.top_down = true;
+
+		ret = kexec_add_buffer(&kbuf);
+		if (ret) {
+			vfree(headers);
+			goto out;
+		}
+		image->elf_headers = headers;
+		image->elf_load_addr = kbuf.mem;
+		image->elf_headers_sz = headers_sz;
+
+		kexec_dprintk("Loaded elf core header at 0x%lx bufsz=0x%lx memsz=0x%lx\n",
+			      image->elf_load_addr, kbuf.bufsz, kbuf.memsz);
+
+		/* Setup cmdline for kdump kernel case */
+		modified_cmdline = setup_kdump_cmdline(image, cmdline,
+						       cmdline_len);
+		if (!modified_cmdline) {
+			pr_err("Setting up cmdline for kdump kernel failed\n");
+			ret = -EINVAL;
+			goto out;
+		}
+		cmdline = modified_cmdline;
+	}
+#endif
+
+#ifdef CONFIG_ARCH_SUPPORTS_KEXEC_PURGATORY
+	/* Add purgatory to the image */
+	kbuf.top_down = true;
+	kbuf.mem = KEXEC_BUF_MEM_UNKNOWN;
+	ret = kexec_load_purgatory(image, &kbuf);
+	if (ret) {
+		pr_err("Error loading purgatory ret=%d\n", ret);
+		goto out;
+	}
+	kexec_dprintk("Loaded purgatory at 0x%lx\n", kbuf.mem);
+
+	ret = kexec_purgatory_get_set_symbol(image, "riscv_kernel_entry",
+					     &kernel_start,
+					     sizeof(kernel_start), 0);
+	if (ret)
+		pr_err("Error update purgatory ret=%d\n", ret);
+#endif /* CONFIG_ARCH_SUPPORTS_KEXEC_PURGATORY */
+
+	/* Add the initrd to the image */
+	if (initrd != NULL) {
+		kbuf.buffer = initrd;
+		kbuf.bufsz = kbuf.memsz = initrd_len;
+		kbuf.buf_align = PAGE_SIZE;
+		kbuf.top_down = true;
+		kbuf.mem = KEXEC_BUF_MEM_UNKNOWN;
+		ret = kexec_add_buffer(&kbuf);
+		if (ret)
+			goto out;
+		initrd_pbase = kbuf.mem;
+		kexec_dprintk("Loaded initrd at 0x%lx\n", initrd_pbase);
+	}
+
+	/* Add the DTB to the image */
+	fdt = of_kexec_alloc_and_setup_fdt(image, initrd_pbase,
+					   initrd_len, cmdline, 0);
+	if (!fdt) {
+		pr_err("Error setting up the new device tree.\n");
+		ret = -EINVAL;
+		goto out;
+	}
+
+	fdt_pack(fdt);
+	kbuf.buffer = fdt;
+	kbuf.bufsz = kbuf.memsz = fdt_totalsize(fdt);
+	kbuf.buf_align = PAGE_SIZE;
+	kbuf.mem = KEXEC_BUF_MEM_UNKNOWN;
+	kbuf.top_down = true;
+	ret = kexec_add_buffer(&kbuf);
+	if (ret) {
+		pr_err("Error add DTB kbuf ret=%d\n", ret);
+		goto out_free_fdt;
+	}
+	/* Cache the fdt buffer address for memory cleanup */
+	image->arch.fdt = fdt;
+	kexec_dprintk("Loaded device tree at 0x%lx\n", kbuf.mem);
+	goto out;
+
+out_free_fdt:
+	kvfree(fdt);
+out:
+	kfree(modified_cmdline);
+	return ret;
+}
diff --git a/arch/riscv/kernel/mcount-dyn.S b/arch/riscv/kernel/mcount-dyn.S
index 745dd4c4a69c..48f6c4f7dca0 100644
--- a/arch/riscv/kernel/mcount-dyn.S
+++ b/arch/riscv/kernel/mcount-dyn.S
@@ -13,7 +13,6 @@
 
 	.text
 
-#define FENTRY_RA_OFFSET	8
 #define ABI_SIZE_ON_STACK	80
 #define ABI_A0			0
 #define ABI_A1			8
@@ -56,16 +55,13 @@
 	addi	sp, sp, ABI_SIZE_ON_STACK
 	.endm
 
-#ifdef CONFIG_DYNAMIC_FTRACE_WITH_ARGS
-
 /**
 * SAVE_ABI_REGS - save regs against the ftrace_regs struct
 *
 * After the stack is established,
 *
 * 0(sp) stores the PC of the traced function which can be accessed
-* by &(fregs)->epc in tracing function. Note that the real
-* function entry address should be computed with -FENTRY_RA_OFFSET.
+* by &(fregs)->epc in tracing function.
 *
 * 8(sp) stores the function return address (i.e. parent IP) that
 * can be accessed by &(fregs)->ra in tracing function.
@@ -86,17 +82,20 @@
 *                       +++++++++
 **/
 	.macro SAVE_ABI_REGS
-	mv	t4, sp			// Save original SP in T4
 	addi	sp, sp, -FREGS_SIZE_ON_STACK
-
 	REG_S	t0,  FREGS_EPC(sp)
 	REG_S	x1,  FREGS_RA(sp)
-	REG_S	t4,  FREGS_SP(sp)	// Put original SP on stack
 #ifdef HAVE_FUNCTION_GRAPH_FP_TEST
 	REG_S	x8,  FREGS_S0(sp)
 #endif
 	REG_S	x6,  FREGS_T1(sp)
-
+#ifdef CONFIG_CC_IS_CLANG
+	REG_S	x7,  FREGS_T2(sp)
+	REG_S	x28, FREGS_T3(sp)
+	REG_S	x29, FREGS_T4(sp)
+	REG_S	x30, FREGS_T5(sp)
+	REG_S	x31, FREGS_T6(sp)
+#endif
 	// save the arguments
 	REG_S	x10, FREGS_A0(sp)
 	REG_S	x11, FREGS_A1(sp)
@@ -106,16 +105,25 @@
 	REG_S	x15, FREGS_A5(sp)
 	REG_S	x16, FREGS_A6(sp)
 	REG_S	x17, FREGS_A7(sp)
+	mv	a0, sp
+	addi	a0, a0, FREGS_SIZE_ON_STACK
+	REG_S	a0, FREGS_SP(sp)	// Put original SP on stack
 	.endm
 
-	.macro RESTORE_ABI_REGS, all=0
+	.macro RESTORE_ABI_REGS
 	REG_L	t0, FREGS_EPC(sp)
 	REG_L	x1, FREGS_RA(sp)
 #ifdef HAVE_FUNCTION_GRAPH_FP_TEST
 	REG_L	x8, FREGS_S0(sp)
 #endif
 	REG_L	x6,  FREGS_T1(sp)
-
+#ifdef CONFIG_CC_IS_CLANG
+	REG_L	x7,  FREGS_T2(sp)
+	REG_L	x28, FREGS_T3(sp)
+	REG_L	x29, FREGS_T4(sp)
+	REG_L	x30, FREGS_T5(sp)
+	REG_L	x31, FREGS_T6(sp)
+#endif
 	// restore the arguments
 	REG_L	x10, FREGS_A0(sp)
 	REG_L	x11, FREGS_A1(sp)
@@ -130,60 +138,71 @@
 	.endm
 
 	.macro PREPARE_ARGS
-	addi	a0, t0, -FENTRY_RA_OFFSET
+	addi	a0, t0, -MCOUNT_JALR_SIZE	// ip (callsite's jalr insn)
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_CALL_OPS
+	mv 	a1, ra				// parent_ip
+	REG_L   a2, -16(t0)			// op
+	REG_L   ra, FTRACE_OPS_FUNC(a2)		// op->func
+#else
 	la	a1, function_trace_op
-	REG_L	a2, 0(a1)
-	mv	a1, ra
-	mv	a3, sp
+	REG_L	a2, 0(a1)			// op
+	mv	a1, ra				// parent_ip
+#endif
+	mv	a3, sp				// regs
 	.endm
 
-#endif /* CONFIG_DYNAMIC_FTRACE_WITH_ARGS */
-
-#ifndef CONFIG_DYNAMIC_FTRACE_WITH_ARGS
 SYM_FUNC_START(ftrace_caller)
-	SAVE_ABI
-
-	addi	a0, t0, -FENTRY_RA_OFFSET
-	la	a1, function_trace_op
-	REG_L	a2, 0(a1)
-	mv	a1, ra
-	mv	a3, sp
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_CALL_OPS
+	/*
+	 * When CALL_OPS is enabled (2 or 4) nops [8B] are placed before the
+	 * function entry, these are later overwritten with the pointer to the
+	 * associated struct ftrace_ops.
+	 *
+	 * -8: &ftrace_ops of the associated tracer function.
+	 *<ftrace enable>:
+	 *  0: auipc  t0/ra, 0x?
+	 *  4: jalr   t0/ra, ?(t0/ra)
+	 *
+	 * -8: &ftrace_nop_ops
+	 *<ftrace disable>:
+	 *  0: nop
+	 *  4: nop
+	 *
+	 * t0 is set to ip+8 after the jalr is executed at the callsite,
+	 * so we find the associated op at t0-16.
+	 */
+	REG_L	t1, -16(t0) // op Should be SZ_REG instead of 16
 
-SYM_INNER_LABEL(ftrace_call, SYM_L_GLOBAL)
-	call	ftrace_stub
-
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
-	addi	a0, sp, ABI_RA
-	REG_L	a1, ABI_T0(sp)
-	addi	a1, a1, -FENTRY_RA_OFFSET
-#ifdef HAVE_FUNCTION_GRAPH_FP_TEST
-	mv	a2, s0
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
+	/*
+	 * If the op has a direct call, handle it immediately without
+	 * saving/restoring registers.
+	 */
+	REG_L	t1, FTRACE_OPS_DIRECT_CALL(t1)
+	bnez	t1, ftrace_caller_direct
 #endif
-SYM_INNER_LABEL(ftrace_graph_call, SYM_L_GLOBAL)
-	call	ftrace_stub
 #endif
-	RESTORE_ABI
-	jr	t0
-SYM_FUNC_END(ftrace_caller)
-
-#else /* CONFIG_DYNAMIC_FTRACE_WITH_ARGS */
-SYM_FUNC_START(ftrace_caller)
-	mv	t1, zero
 	SAVE_ABI_REGS
 	PREPARE_ARGS
 
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_CALL_OPS
+	jalr	ra
+#else
 SYM_INNER_LABEL(ftrace_call, SYM_L_GLOBAL)
-	call	ftrace_stub
-
+	REG_L	ra, ftrace_call_dest
+	jalr	ra, 0(ra)
+#endif
 	RESTORE_ABI_REGS
-	bnez	t1, .Ldirect
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
+	bnez	t1, ftrace_caller_direct
+#endif
 	jr	t0
-.Ldirect:
+#ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
+SYM_INNER_LABEL(ftrace_caller_direct, SYM_L_LOCAL)
 	jr	t1
+#endif
 SYM_FUNC_END(ftrace_caller)
 
-#endif /* CONFIG_DYNAMIC_FTRACE_WITH_ARGS */
-
 #ifdef CONFIG_DYNAMIC_FTRACE_WITH_DIRECT_CALLS
 SYM_CODE_START(ftrace_stub_direct_tramp)
 	jr	t0
diff --git a/arch/riscv/kernel/module-sections.c b/arch/riscv/kernel/module-sections.c
index 91d0b355ceef..75551ac6504c 100644
--- a/arch/riscv/kernel/module-sections.c
+++ b/arch/riscv/kernel/module-sections.c
@@ -9,6 +9,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/moduleloader.h>
+#include <linux/sort.h>
 
 unsigned long module_emit_got_entry(struct module *mod, unsigned long val)
 {
@@ -55,44 +56,70 @@ unsigned long module_emit_plt_entry(struct module *mod, unsigned long val)
 	return (unsigned long)&plt[i];
 }
 
-static int is_rela_equal(const Elf_Rela *x, const Elf_Rela *y)
+#define cmp_3way(a, b)	((a) < (b) ? -1 : (a) > (b))
+
+static int cmp_rela(const void *a, const void *b)
 {
-	return x->r_info == y->r_info && x->r_addend == y->r_addend;
+	const Elf_Rela *x = a, *y = b;
+	int i;
+
+	/* sort by type, symbol index and addend */
+	i = cmp_3way(x->r_info, y->r_info);
+	if (i == 0)
+		i = cmp_3way(x->r_addend, y->r_addend);
+	return i;
 }
 
 static bool duplicate_rela(const Elf_Rela *rela, int idx)
 {
-	int i;
-	for (i = 0; i < idx; i++) {
-		if (is_rela_equal(&rela[i], &rela[idx]))
-			return true;
-	}
-	return false;
+	/*
+	 * Entries are sorted by type, symbol index and addend. That means
+	 * that, if a duplicate entry exists, it must be in the preceding slot.
+	 */
+	return idx > 0 && cmp_rela(rela + idx, rela + idx - 1) == 0;
 }
 
-static void count_max_entries(Elf_Rela *relas, int num,
+static void count_max_entries(const Elf_Rela *relas, size_t num,
 			      unsigned int *plts, unsigned int *gots)
 {
-	for (int i = 0; i < num; i++) {
+	for (size_t i = 0; i < num; i++) {
+		if (duplicate_rela(relas, i))
+			continue;
+
 		switch (ELF_R_TYPE(relas[i].r_info)) {
 		case R_RISCV_CALL_PLT:
 		case R_RISCV_PLT32:
-			if (!duplicate_rela(relas, i))
-				(*plts)++;
+			(*plts)++;
 			break;
 		case R_RISCV_GOT_HI20:
-			if (!duplicate_rela(relas, i))
-				(*gots)++;
+			(*gots)++;
 			break;
+		default:
+			unreachable();
 		}
 	}
 }
 
+static bool rela_needs_plt_got_entry(const Elf_Rela *rela)
+{
+	switch (ELF_R_TYPE(rela->r_info)) {
+	case R_RISCV_CALL_PLT:
+	case R_RISCV_GOT_HI20:
+	case R_RISCV_PLT32:
+		return true;
+	default:
+		return false;
+	}
+}
+
 int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
 			      char *secstrings, struct module *mod)
 {
+	size_t num_scratch_relas = 0;
 	unsigned int num_plts = 0;
 	unsigned int num_gots = 0;
+	Elf_Rela *scratch = NULL;
+	size_t scratch_size = 0;
 	int i;
 
 	/*
@@ -122,9 +149,10 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
 
 	/* Calculate the maxinum number of entries */
 	for (i = 0; i < ehdr->e_shnum; i++) {
+		size_t num_relas = sechdrs[i].sh_size / sizeof(Elf_Rela);
 		Elf_Rela *relas = (void *)ehdr + sechdrs[i].sh_offset;
-		int num_rela = sechdrs[i].sh_size / sizeof(Elf_Rela);
 		Elf_Shdr *dst_sec = sechdrs + sechdrs[i].sh_info;
+		size_t scratch_size_needed;
 
 		if (sechdrs[i].sh_type != SHT_RELA)
 			continue;
@@ -133,7 +161,28 @@ int module_frob_arch_sections(Elf_Ehdr *ehdr, Elf_Shdr *sechdrs,
 		if (!(dst_sec->sh_flags & SHF_EXECINSTR))
 			continue;
 
-		count_max_entries(relas, num_rela, &num_plts, &num_gots);
+		/*
+		 * apply_relocate_add() relies on HI20 and LO12 relocation pairs being
+		 * close together, so sort a copy of the section to avoid interfering.
+		 */
+		scratch_size_needed = (num_scratch_relas + num_relas) * sizeof(*scratch);
+		if (scratch_size_needed > scratch_size) {
+			scratch_size = scratch_size_needed;
+			scratch = kvrealloc(scratch, scratch_size, GFP_KERNEL);
+			if (!scratch)
+				return -ENOMEM;
+		}
+
+		for (size_t j = 0; j < num_relas; j++)
+			if (rela_needs_plt_got_entry(&relas[j]))
+				scratch[num_scratch_relas++] = relas[j];
+	}
+
+	if (scratch) {
+		/* sort the accumulated PLT/GOT relocations so duplicates are adjacent */
+		sort(scratch, num_scratch_relas, sizeof(*scratch), cmp_rela, NULL);
+		count_max_entries(scratch, num_scratch_relas, &num_plts, &num_gots);
+		kvfree(scratch);
 	}
 
 	mod->arch.plt.shdr->sh_type = SHT_NOBITS;
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index bbf7ec6a75c0..a0a40889d79a 100644
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -60,7 +60,7 @@ int get_unalign_ctl(struct task_struct *tsk, unsigned long adr)
 	if (!unaligned_ctl_available())
 		return -EINVAL;
 
-	return put_user(tsk->thread.align_ctl, (unsigned long __user *)adr);
+	return put_user(tsk->thread.align_ctl, (unsigned int __user *)adr);
 }
 
 void __show_regs(struct pt_regs *regs)
diff --git a/arch/riscv/kernel/sbi.c b/arch/riscv/kernel/sbi.c
index 1989b8cade1b..53836a9235e3 100644
--- a/arch/riscv/kernel/sbi.c
+++ b/arch/riscv/kernel/sbi.c
@@ -299,6 +299,76 @@ static int __sbi_rfence_v02(int fid, const struct cpumask *cpu_mask,
 	return 0;
 }
 
+static bool sbi_fwft_supported;
+
+struct fwft_set_req {
+	u32 feature;
+	unsigned long value;
+	unsigned long flags;
+	atomic_t error;
+};
+
+static void cpu_sbi_fwft_set(void *arg)
+{
+	struct fwft_set_req *req = arg;
+	int ret;
+
+	ret = sbi_fwft_set(req->feature, req->value, req->flags);
+	if (ret)
+		atomic_set(&req->error, ret);
+}
+
+/**
+ * sbi_fwft_set() - Set a feature on the local hart
+ * @feature: The feature ID to be set
+ * @value: The feature value to be set
+ * @flags: FWFT feature set flags
+ *
+ * Return: 0 on success, appropriate linux error code otherwise.
+ */
+int sbi_fwft_set(u32 feature, unsigned long value, unsigned long flags)
+{
+	struct sbiret ret;
+
+	if (!sbi_fwft_supported)
+		return -EOPNOTSUPP;
+
+	ret = sbi_ecall(SBI_EXT_FWFT, SBI_EXT_FWFT_SET,
+			feature, value, flags, 0, 0, 0);
+
+	return sbi_err_map_linux_errno(ret.error);
+}
+
+/**
+ * sbi_fwft_set_cpumask() - Set a feature for the specified cpumask
+ * @mask: CPU mask of cpus that need the feature to be set
+ * @feature: The feature ID to be set
+ * @value: The feature value to be set
+ * @flags: FWFT feature set flags
+ *
+ * Return: 0 on success, appropriate linux error code otherwise.
+ */
+int sbi_fwft_set_cpumask(const cpumask_t *mask, u32 feature,
+			       unsigned long value, unsigned long flags)
+{
+	struct fwft_set_req req = {
+		.feature = feature,
+		.value = value,
+		.flags = flags,
+		.error = ATOMIC_INIT(0),
+	};
+
+	if (!sbi_fwft_supported)
+		return -EOPNOTSUPP;
+
+	if (feature & SBI_FWFT_GLOBAL_FEATURE_BIT)
+		return -EINVAL;
+
+	on_each_cpu_mask(mask, cpu_sbi_fwft_set, &req, 1);
+
+	return atomic_read(&req.error);
+}
+
 /**
  * sbi_set_timer() - Program the timer for next timer event.
  * @stime_value: The value after which next timer event should fire.
@@ -609,7 +679,7 @@ void __init sbi_init(void)
 		} else {
 			__sbi_rfence	= __sbi_rfence_v01;
 		}
-		if ((sbi_spec_version >= sbi_mk_version(0, 3)) &&
+		if (sbi_spec_version >= sbi_mk_version(0, 3) &&
 		    sbi_probe_extension(SBI_EXT_SRST)) {
 			pr_info("SBI SRST extension detected\n");
 			pm_power_off = sbi_srst_power_off;
@@ -617,11 +687,16 @@ void __init sbi_init(void)
 			sbi_srst_reboot_nb.priority = 192;
 			register_restart_handler(&sbi_srst_reboot_nb);
 		}
-		if ((sbi_spec_version >= sbi_mk_version(2, 0)) &&
-		    (sbi_probe_extension(SBI_EXT_DBCN) > 0)) {
+		if (sbi_spec_version >= sbi_mk_version(2, 0) &&
+		    sbi_probe_extension(SBI_EXT_DBCN) > 0) {
 			pr_info("SBI DBCN extension detected\n");
 			sbi_debug_console_available = true;
 		}
+		if (sbi_spec_version >= sbi_mk_version(3, 0) &&
+		    sbi_probe_extension(SBI_EXT_FWFT)) {
+			pr_info("SBI FWFT extension detected\n");
+			sbi_fwft_supported = true;
+		}
 	} else {
 		__sbi_set_timer = __sbi_set_timer_v01;
 		__sbi_send_ipi	= __sbi_send_ipi_v01;
diff --git a/arch/riscv/kernel/sys_hwprobe.c b/arch/riscv/kernel/sys_hwprobe.c
index 249aec8594a9..0b170e18a2be 100644
--- a/arch/riscv/kernel/sys_hwprobe.c
+++ b/arch/riscv/kernel/sys_hwprobe.c
@@ -15,6 +15,7 @@
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 #include <asm/vector.h>
+#include <asm/vendor_extensions/sifive_hwprobe.h>
 #include <asm/vendor_extensions/thead_hwprobe.h>
 #include <vdso/vsyscall.h>
 
@@ -96,6 +97,7 @@ static void hwprobe_isa_ext0(struct riscv_hwprobe *pair,
 		 * presence in the hart_isa bitmap, are made.
 		 */
 		EXT_KEY(ZAAMO);
+		EXT_KEY(ZABHA);
 		EXT_KEY(ZACAS);
 		EXT_KEY(ZALRSC);
 		EXT_KEY(ZAWRS);
@@ -300,6 +302,10 @@ static void hwprobe_one_pair(struct riscv_hwprobe *pair,
 		pair->value = riscv_timebase;
 		break;
 
+	case RISCV_HWPROBE_KEY_VENDOR_EXT_SIFIVE_0:
+		hwprobe_isa_vendor_ext_sifive_0(pair, cpus);
+		break;
+
 	case RISCV_HWPROBE_KEY_VENDOR_EXT_THEAD_0:
 		hwprobe_isa_vendor_ext_thead_0(pair, cpus);
 		break;
diff --git a/arch/riscv/kernel/traps_misaligned.c b/arch/riscv/kernel/traps_misaligned.c
index 77c788660223..dd8e4af6583f 100644
--- a/arch/riscv/kernel/traps_misaligned.c
+++ b/arch/riscv/kernel/traps_misaligned.c
@@ -16,6 +16,7 @@
 #include <asm/entry-common.h>
 #include <asm/hwprobe.h>
 #include <asm/cpufeature.h>
+#include <asm/sbi.h>
 #include <asm/vector.h>
 
 #define INSN_MATCH_LB			0x3
@@ -368,9 +369,7 @@ static int handle_scalar_misaligned_load(struct pt_regs *regs)
 
 	perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, 1, regs, addr);
 
-#ifdef CONFIG_RISCV_PROBE_UNALIGNED_ACCESS
 	*this_cpu_ptr(&misaligned_access_speed) = RISCV_HWPROBE_MISALIGNED_SCALAR_EMULATED;
-#endif
 
 	if (!unaligned_enabled)
 		return -1;
@@ -455,7 +454,7 @@ static int handle_scalar_misaligned_load(struct pt_regs *regs)
 
 	val.data_u64 = 0;
 	if (user_mode(regs)) {
-		if (copy_from_user(&val, (u8 __user *)addr, len))
+		if (copy_from_user_nofault(&val, (u8 __user *)addr, len))
 			return -1;
 	} else {
 		memcpy(&val, (u8 *)addr, len);
@@ -556,7 +555,7 @@ static int handle_scalar_misaligned_store(struct pt_regs *regs)
 		return -EOPNOTSUPP;
 
 	if (user_mode(regs)) {
-		if (copy_to_user((u8 __user *)addr, &val, len))
+		if (copy_to_user_nofault((u8 __user *)addr, &val, len))
 			return -1;
 	} else {
 		memcpy((u8 *)addr, &val, len);
@@ -626,6 +625,10 @@ bool __init check_vector_unaligned_access_emulated_all_cpus(void)
 {
 	int cpu;
 
+	/*
+	 * While being documented as very slow, schedule_on_each_cpu() is used since
+	 * kernel_vector_begin() expects irqs to be enabled or it will panic()
+	 */
 	schedule_on_each_cpu(check_vector_unaligned_access_emulated);
 
 	for_each_online_cpu(cpu)
@@ -642,11 +645,23 @@ bool __init check_vector_unaligned_access_emulated_all_cpus(void)
 }
 #endif
 
+static bool all_cpus_unaligned_scalar_access_emulated(void)
+{
+	int cpu;
+
+	for_each_online_cpu(cpu)
+		if (per_cpu(misaligned_access_speed, cpu) !=
+		    RISCV_HWPROBE_MISALIGNED_SCALAR_EMULATED)
+			return false;
+
+	return true;
+}
+
 #ifdef CONFIG_RISCV_SCALAR_MISALIGNED
 
 static bool unaligned_ctl __read_mostly;
 
-void check_unaligned_access_emulated(struct work_struct *work __always_unused)
+static void check_unaligned_access_emulated(void *arg __always_unused)
 {
 	int cpu = smp_processor_id();
 	long *mas_ptr = per_cpu_ptr(&misaligned_access_speed, cpu);
@@ -657,6 +672,13 @@ void check_unaligned_access_emulated(struct work_struct *work __always_unused)
 	__asm__ __volatile__ (
 		"       "REG_L" %[tmp], 1(%[ptr])\n"
 		: [tmp] "=r" (tmp_val) : [ptr] "r" (&tmp_var) : "memory");
+}
+
+static int cpu_online_check_unaligned_access_emulated(unsigned int cpu)
+{
+	long *mas_ptr = per_cpu_ptr(&misaligned_access_speed, cpu);
+
+	check_unaligned_access_emulated(NULL);
 
 	/*
 	 * If unaligned_ctl is already set, this means that we detected that all
@@ -665,26 +687,23 @@ void check_unaligned_access_emulated(struct work_struct *work __always_unused)
 	 */
 	if (unlikely(unaligned_ctl && (*mas_ptr != RISCV_HWPROBE_MISALIGNED_SCALAR_EMULATED))) {
 		pr_crit("CPU misaligned accesses non homogeneous (expected all emulated)\n");
-		while (true)
-			cpu_relax();
+		return -EINVAL;
 	}
+
+	return 0;
 }
 
 bool __init check_unaligned_access_emulated_all_cpus(void)
 {
-	int cpu;
-
 	/*
 	 * We can only support PR_UNALIGN controls if all CPUs have misaligned
 	 * accesses emulated since tasks requesting such control can run on any
 	 * CPU.
 	 */
-	schedule_on_each_cpu(check_unaligned_access_emulated);
+	on_each_cpu(check_unaligned_access_emulated, NULL, 1);
 
-	for_each_online_cpu(cpu)
-		if (per_cpu(misaligned_access_speed, cpu)
-		    != RISCV_HWPROBE_MISALIGNED_SCALAR_EMULATED)
-			return false;
+	if (!all_cpus_unaligned_scalar_access_emulated())
+		return false;
 
 	unaligned_ctl = true;
 	return true;
@@ -699,4 +718,73 @@ bool __init check_unaligned_access_emulated_all_cpus(void)
 {
 	return false;
 }
+static int cpu_online_check_unaligned_access_emulated(unsigned int cpu)
+{
+	return 0;
+}
+#endif
+
+static bool misaligned_traps_delegated;
+
+#ifdef CONFIG_RISCV_SBI
+
+static int cpu_online_sbi_unaligned_setup(unsigned int cpu)
+{
+	if (sbi_fwft_set(SBI_FWFT_MISALIGNED_EXC_DELEG, 1, 0) &&
+	    misaligned_traps_delegated) {
+		pr_crit("Misaligned trap delegation non homogeneous (expected delegated)");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+void __init unaligned_access_init(void)
+{
+	int ret;
+
+	ret = sbi_fwft_set_online_cpus(SBI_FWFT_MISALIGNED_EXC_DELEG, 1, 0);
+	if (ret)
+		return;
+
+	misaligned_traps_delegated = true;
+	pr_info("SBI misaligned access exception delegation ok\n");
+	/*
+	 * Note that we don't have to take any specific action here, if
+	 * the delegation is successful, then
+	 * check_unaligned_access_emulated() will verify that indeed the
+	 * platform traps on misaligned accesses.
+	 */
+}
+#else
+void __init unaligned_access_init(void) {}
+
+static int cpu_online_sbi_unaligned_setup(unsigned int cpu __always_unused)
+{
+	return 0;
+}
+
 #endif
+
+int cpu_online_unaligned_access_init(unsigned int cpu)
+{
+	int ret;
+
+	ret = cpu_online_sbi_unaligned_setup(cpu);
+	if (ret)
+		return ret;
+
+	return cpu_online_check_unaligned_access_emulated(cpu);
+}
+
+bool misaligned_traps_can_delegate(void)
+{
+	/*
+	 * Either we successfully requested misaligned traps delegation for all
+	 * CPUs, or the SBI does not implement the FWFT extension but delegated
+	 * the exception by default.
+	 */
+	return misaligned_traps_delegated ||
+	       all_cpus_unaligned_scalar_access_emulated();
+}
+EXPORT_SYMBOL_GPL(misaligned_traps_can_delegate);
diff --git a/arch/riscv/kernel/unaligned_access_speed.c b/arch/riscv/kernel/unaligned_access_speed.c
index b8ba13819d05..ae2068425fbc 100644
--- a/arch/riscv/kernel/unaligned_access_speed.c
+++ b/arch/riscv/kernel/unaligned_access_speed.c
@@ -236,6 +236,11 @@ arch_initcall_sync(lock_and_set_unaligned_access_static_branch);
 
 static int riscv_online_cpu(unsigned int cpu)
 {
+	int ret = cpu_online_unaligned_access_init(cpu);
+
+	if (ret)
+		return ret;
+
 	/* We are already set since the last check */
 	if (per_cpu(misaligned_access_speed, cpu) != RISCV_HWPROBE_MISALIGNED_SCALAR_UNKNOWN) {
 		goto exit;
@@ -248,7 +253,6 @@ static int riscv_online_cpu(unsigned int cpu)
 	{
 		static struct page *buf;
 
-		check_unaligned_access_emulated(NULL);
 		buf = alloc_pages(GFP_KERNEL, MISALIGNED_BUFFER_ORDER);
 		if (!buf) {
 			pr_warn("Allocation failure, not measuring misaligned performance\n");
@@ -439,6 +443,8 @@ static int __init check_unaligned_access_all_cpus(void)
 {
 	int cpu;
 
+	unaligned_access_init();
+
 	if (unaligned_scalar_speed_param != RISCV_HWPROBE_MISALIGNED_SCALAR_UNKNOWN) {
 		pr_info("scalar unaligned access speed set to '%s' (%lu) by command line\n",
 			speed_str[unaligned_scalar_speed_param], unaligned_scalar_speed_param);
diff --git a/arch/riscv/kernel/vdso.c b/arch/riscv/kernel/vdso.c
index cc2895d1fbc2..3a8e038b10a2 100644
--- a/arch/riscv/kernel/vdso.c
+++ b/arch/riscv/kernel/vdso.c
@@ -136,7 +136,7 @@ static int __setup_additional_pages(struct mm_struct *mm,
 
 	ret =
 	   _install_special_mapping(mm, vdso_base, vdso_text_len,
-		(VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC),
+		(VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC | VM_SEALED_SYSMAP),
 		vdso_info->cm);
 
 	if (IS_ERR(ret))
diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile
index ad73607abc28..9ebb5e590f93 100644
--- a/arch/riscv/kernel/vdso/Makefile
+++ b/arch/riscv/kernel/vdso/Makefile
@@ -13,9 +13,17 @@ vdso-syms += flush_icache
 vdso-syms += hwprobe
 vdso-syms += sys_hwprobe
 
+ifdef CONFIG_VDSO_GETRANDOM
+vdso-syms += getrandom
+endif
+
 # Files to link into the vdso
 obj-vdso = $(patsubst %, %.o, $(vdso-syms)) note.o
 
+ifdef CONFIG_VDSO_GETRANDOM
+obj-vdso += vgetrandom-chacha.o
+endif
+
 ccflags-y := -fno-stack-protector
 ccflags-y += -DDISABLE_BRANCH_PROFILING
 ccflags-y += -fno-builtin
@@ -24,6 +32,10 @@ ifneq ($(c-gettimeofday-y),)
   CFLAGS_vgettimeofday.o += -fPIC -include $(c-gettimeofday-y)
 endif
 
+ifneq ($(c-getrandom-y),)
+  CFLAGS_getrandom.o += -fPIC -include $(c-getrandom-y)
+endif
+
 CFLAGS_hwprobe.o += -fPIC
 
 # Build rules
@@ -38,6 +50,7 @@ endif
 
 # Disable -pg to prevent insert call site
 CFLAGS_REMOVE_vgettimeofday.o = $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS)
+CFLAGS_REMOVE_getrandom.o = $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS)
 CFLAGS_REMOVE_hwprobe.o = $(CC_FLAGS_FTRACE) $(CC_FLAGS_SCS)
 
 # Force dependency
@@ -47,7 +60,7 @@ $(obj)/vdso.o: $(obj)/vdso.so
 $(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE
 	$(call if_changed,vdsold_and_check)
 LDFLAGS_vdso.so.dbg = -shared -soname=linux-vdso.so.1 \
-	--build-id=sha1 --hash-style=both --eh-frame-hdr
+	--build-id=sha1 --eh-frame-hdr
 
 # strip rule for the .so file
 $(obj)/%.so: OBJCOPYFLAGS := -S
diff --git a/arch/riscv/kernel/vdso/getrandom.c b/arch/riscv/kernel/vdso/getrandom.c
new file mode 100644
index 000000000000..f21922e8cebd
--- /dev/null
+++ b/arch/riscv/kernel/vdso/getrandom.c
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2025 Xi Ruoyao <xry111@xry111.site>. All Rights Reserved.
+ */
+#include <linux/types.h>
+
+ssize_t __vdso_getrandom(void *buffer, size_t len, unsigned int flags, void *opaque_state, size_t opaque_len)
+{
+	return __cvdso_getrandom(buffer, len, flags, opaque_state, opaque_len);
+}
diff --git a/arch/riscv/kernel/vdso/vdso.lds.S b/arch/riscv/kernel/vdso/vdso.lds.S
index 8e86965a8aae..7c15b0f4ee3b 100644
--- a/arch/riscv/kernel/vdso/vdso.lds.S
+++ b/arch/riscv/kernel/vdso/vdso.lds.S
@@ -80,6 +80,9 @@ VERSION
 #ifndef COMPAT_VDSO
 		__vdso_riscv_hwprobe;
 #endif
+#if defined(CONFIG_VDSO_GETRANDOM) && !defined(COMPAT_VDSO)
+		__vdso_getrandom;
+#endif
 	local: *;
 	};
 }
diff --git a/arch/riscv/kernel/vdso/vgetrandom-chacha.S b/arch/riscv/kernel/vdso/vgetrandom-chacha.S
new file mode 100644
index 000000000000..5f0dad8f2373
--- /dev/null
+++ b/arch/riscv/kernel/vdso/vgetrandom-chacha.S
@@ -0,0 +1,249 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2025 Xi Ruoyao <xry111@xry111.site>. All Rights Reserved.
+ *
+ * Based on arch/loongarch/vdso/vgetrandom-chacha.S.
+ */
+
+#include <asm/asm.h>
+#include <linux/linkage.h>
+
+.text
+
+.macro	ROTRI	rd rs imm
+	slliw	t0, \rs, 32 - \imm
+	srliw	\rd, \rs, \imm
+	or	\rd, \rd, t0
+.endm
+
+.macro	OP_4REG	op d0 d1 d2 d3 s0 s1 s2 s3
+	\op	\d0, \d0, \s0
+	\op	\d1, \d1, \s1
+	\op	\d2, \d2, \s2
+	\op	\d3, \d3, \s3
+.endm
+
+/*
+ *	a0: output bytes
+ * 	a1: 32-byte key input
+ *	a2: 8-byte counter input/output
+ *	a3: number of 64-byte blocks to write to output
+ */
+SYM_FUNC_START(__arch_chacha20_blocks_nostack)
+
+#define output		a0
+#define key		a1
+#define counter		a2
+#define nblocks		a3
+#define i		a4
+#define state0		s0
+#define state1		s1
+#define state2		s2
+#define state3		s3
+#define state4		s4
+#define state5		s5
+#define state6		s6
+#define state7		s7
+#define state8		s8
+#define state9		s9
+#define state10		s10
+#define state11		s11
+#define state12		a5
+#define state13		a6
+#define state14		a7
+#define state15		t1
+#define cnt		t2
+#define copy0		t3
+#define copy1		t4
+#define copy2		t5
+#define copy3		t6
+
+/* Packs to be used with OP_4REG */
+#define line0		state0, state1, state2, state3
+#define line1		state4, state5, state6, state7
+#define line2		state8, state9, state10, state11
+#define line3		state12, state13, state14, state15
+
+#define line1_perm	state5, state6, state7, state4
+#define line2_perm	state10, state11, state8, state9
+#define line3_perm	state15, state12, state13, state14
+
+#define copy		copy0, copy1, copy2, copy3
+
+#define _16		16, 16, 16, 16
+#define _20		20, 20, 20, 20
+#define _24		24, 24, 24, 24
+#define _25		25, 25, 25, 25
+
+	/*
+	 * The ABI requires s0-s9 saved.
+	 * This does not violate the stack-less requirement: no sensitive data
+	 * is spilled onto the stack.
+	 */
+	addi		sp, sp, -12*SZREG
+	REG_S		s0,         (sp)
+	REG_S		s1,    SZREG(sp)
+	REG_S		s2,  2*SZREG(sp)
+	REG_S		s3,  3*SZREG(sp)
+	REG_S		s4,  4*SZREG(sp)
+	REG_S		s5,  5*SZREG(sp)
+	REG_S		s6,  6*SZREG(sp)
+	REG_S		s7,  7*SZREG(sp)
+	REG_S		s8,  8*SZREG(sp)
+	REG_S		s9,  9*SZREG(sp)
+	REG_S		s10, 10*SZREG(sp)
+	REG_S		s11, 11*SZREG(sp)
+
+	ld		cnt, (counter)
+
+	li		copy0, 0x61707865
+	li		copy1, 0x3320646e
+	li		copy2, 0x79622d32
+	li		copy3, 0x6b206574
+
+.Lblock:
+	/* state[0,1,2,3] = "expand 32-byte k" */
+	mv		state0, copy0
+	mv		state1, copy1
+	mv		state2, copy2
+	mv		state3, copy3
+
+	/* state[4,5,..,11] = key */
+	lw		state4,   (key)
+	lw		state5,  4(key)
+	lw		state6,  8(key)
+	lw		state7,  12(key)
+	lw		state8,  16(key)
+	lw		state9,  20(key)
+	lw		state10, 24(key)
+	lw		state11, 28(key)
+
+	/* state[12,13] = counter */
+	mv		state12, cnt
+	srli		state13, cnt, 32
+
+	/* state[14,15] = 0 */
+	mv		state14, zero
+	mv		state15, zero
+
+	li		i, 10
+.Lpermute:
+	/* odd round */
+	OP_4REG	addw	line0, line1
+	OP_4REG	xor	line3, line0
+	OP_4REG	ROTRI	line3, _16
+
+	OP_4REG	addw	line2, line3
+	OP_4REG	xor	line1, line2
+	OP_4REG	ROTRI	line1, _20
+
+	OP_4REG	addw	line0, line1
+	OP_4REG	xor	line3, line0
+	OP_4REG	ROTRI	line3, _24
+
+	OP_4REG	addw	line2, line3
+	OP_4REG	xor	line1, line2
+	OP_4REG	ROTRI	line1, _25
+
+	/* even round */
+	OP_4REG	addw	line0, line1_perm
+	OP_4REG	xor	line3_perm, line0
+	OP_4REG	ROTRI	line3_perm, _16
+
+	OP_4REG	addw	line2_perm, line3_perm
+	OP_4REG	xor	line1_perm, line2_perm
+	OP_4REG	ROTRI	line1_perm, _20
+
+	OP_4REG	addw	line0, line1_perm
+	OP_4REG	xor	line3_perm, line0
+	OP_4REG	ROTRI	line3_perm, _24
+
+	OP_4REG	addw	line2_perm, line3_perm
+	OP_4REG	xor	line1_perm, line2_perm
+	OP_4REG	ROTRI	line1_perm, _25
+
+	addi		i, i, -1
+	bnez		i, .Lpermute
+
+	/* output[0,1,2,3] = copy[0,1,2,3] + state[0,1,2,3] */
+	OP_4REG	addw	line0, copy
+	sw		state0,   (output)
+	sw		state1,  4(output)
+	sw		state2,  8(output)
+	sw		state3, 12(output)
+
+	/* from now on state[0,1,2,3] are scratch registers  */
+
+	/* state[0,1,2,3] = lo(key) */
+	lw		state0,   (key)
+	lw		state1,  4(key)
+	lw		state2,  8(key)
+	lw		state3, 12(key)
+
+	/* output[4,5,6,7] = state[0,1,2,3] + state[4,5,6,7] */
+	OP_4REG	addw	line1, line0
+	sw		state4, 16(output)
+	sw		state5, 20(output)
+	sw		state6, 24(output)
+	sw		state7, 28(output)
+
+	/* state[0,1,2,3] = hi(key) */
+	lw		state0, 16(key)
+	lw		state1, 20(key)
+	lw		state2, 24(key)
+	lw		state3, 28(key)
+
+	/* output[8,9,10,11] = tmp[0,1,2,3] + state[8,9,10,11] */
+	OP_4REG	addw	line2, line0
+	sw		state8,  32(output)
+	sw		state9,  36(output)
+	sw		state10, 40(output)
+	sw		state11, 44(output)
+
+	/* output[12,13,14,15] = state[12,13,14,15] + [cnt_lo, cnt_hi, 0, 0] */
+	addw		state12, state12, cnt
+	srli		state0, cnt, 32
+	addw		state13, state13, state0
+	sw		state12, 48(output)
+	sw		state13, 52(output)
+	sw		state14, 56(output)
+	sw		state15, 60(output)
+
+	/* ++counter */
+	addi		cnt, cnt, 1
+
+	/* output += 64 */
+	addi		output, output, 64
+	/* --nblocks */
+	addi		nblocks, nblocks, -1
+	bnez		nblocks, .Lblock
+
+	/* counter = [cnt_lo, cnt_hi] */
+	sd		cnt, (counter)
+
+	/* Zero out the potentially sensitive regs, in case nothing uses these
+	 * again.  As at now copy[0,1,2,3] just contains "expand 32-byte k" and
+	 * state[0,...,11] are s0-s11 those we'll restore in the epilogue, we
+	 * only need to zero state[12,...,15].
+	 */
+	mv		state12, zero
+	mv		state13, zero
+	mv		state14, zero
+	mv		state15, zero
+
+	REG_L		s0,         (sp)
+	REG_L		s1,    SZREG(sp)
+	REG_L		s2,  2*SZREG(sp)
+	REG_L		s3,  3*SZREG(sp)
+	REG_L		s4,  4*SZREG(sp)
+	REG_L		s5,  5*SZREG(sp)
+	REG_L		s6,  6*SZREG(sp)
+	REG_L		s7,  7*SZREG(sp)
+	REG_L		s8,  8*SZREG(sp)
+	REG_L		s9,  9*SZREG(sp)
+	REG_L		s10, 10*SZREG(sp)
+	REG_L		s11, 11*SZREG(sp)
+	addi		sp, sp, 12*SZREG
+
+	ret
+SYM_FUNC_END(__arch_chacha20_blocks_nostack)
diff --git a/arch/riscv/kernel/vendor_extensions.c b/arch/riscv/kernel/vendor_extensions.c
index 9feb7f67a0a3..92d8ff81f42c 100644
--- a/arch/riscv/kernel/vendor_extensions.c
+++ b/arch/riscv/kernel/vendor_extensions.c
@@ -6,6 +6,7 @@
 #include <asm/vendorid_list.h>
 #include <asm/vendor_extensions.h>
 #include <asm/vendor_extensions/andes.h>
+#include <asm/vendor_extensions/sifive.h>
 #include <asm/vendor_extensions/thead.h>
 
 #include <linux/array_size.h>
@@ -15,6 +16,9 @@ struct riscv_isa_vendor_ext_data_list *riscv_isa_vendor_ext_list[] = {
 #ifdef CONFIG_RISCV_ISA_VENDOR_EXT_ANDES
 	&riscv_isa_vendor_ext_list_andes,
 #endif
+#ifdef CONFIG_RISCV_ISA_VENDOR_EXT_SIFIVE
+	&riscv_isa_vendor_ext_list_sifive,
+#endif
 #ifdef CONFIG_RISCV_ISA_VENDOR_EXT_THEAD
 	&riscv_isa_vendor_ext_list_thead,
 #endif
@@ -45,6 +49,12 @@ bool __riscv_isa_vendor_extension_available(int cpu, unsigned long vendor, unsig
 		cpu_bmap = riscv_isa_vendor_ext_list_andes.per_hart_isa_bitmap;
 		break;
 	#endif
+	#ifdef CONFIG_RISCV_ISA_VENDOR_EXT_SIFIVE
+	case SIFIVE_VENDOR_ID:
+		bmap = &riscv_isa_vendor_ext_list_sifive.all_harts_isa_bitmap;
+		cpu_bmap = riscv_isa_vendor_ext_list_sifive.per_hart_isa_bitmap;
+		break;
+	#endif
 	#ifdef CONFIG_RISCV_ISA_VENDOR_EXT_THEAD
 	case THEAD_VENDOR_ID:
 		bmap = &riscv_isa_vendor_ext_list_thead.all_harts_isa_bitmap;
diff --git a/arch/riscv/kernel/vendor_extensions/Makefile b/arch/riscv/kernel/vendor_extensions/Makefile
index 866414c81a9f..a4eca96d1c8a 100644
--- a/arch/riscv/kernel/vendor_extensions/Makefile
+++ b/arch/riscv/kernel/vendor_extensions/Makefile
@@ -1,5 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
 obj-$(CONFIG_RISCV_ISA_VENDOR_EXT_ANDES)	+= andes.o
+obj-$(CONFIG_RISCV_ISA_VENDOR_EXT_SIFIVE)	+= sifive.o
+obj-$(CONFIG_RISCV_ISA_VENDOR_EXT_SIFIVE)	+= sifive_hwprobe.o
 obj-$(CONFIG_RISCV_ISA_VENDOR_EXT_THEAD)	+= thead.o
 obj-$(CONFIG_RISCV_ISA_VENDOR_EXT_THEAD)	+= thead_hwprobe.o
diff --git a/arch/riscv/kernel/vendor_extensions/sifive.c b/arch/riscv/kernel/vendor_extensions/sifive.c
new file mode 100644
index 000000000000..1411337dc1e6
--- /dev/null
+++ b/arch/riscv/kernel/vendor_extensions/sifive.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <asm/cpufeature.h>
+#include <asm/vendor_extensions.h>
+#include <asm/vendor_extensions/sifive.h>
+
+#include <linux/array_size.h>
+#include <linux/types.h>
+
+/* All SiFive vendor extensions supported in Linux */
+const struct riscv_isa_ext_data riscv_isa_vendor_ext_sifive[] = {
+	__RISCV_ISA_EXT_DATA(xsfvfnrclipxfqf, RISCV_ISA_VENDOR_EXT_XSFVFNRCLIPXFQF),
+	__RISCV_ISA_EXT_DATA(xsfvfwmaccqqq, RISCV_ISA_VENDOR_EXT_XSFVFWMACCQQQ),
+	__RISCV_ISA_EXT_DATA(xsfvqmaccdod, RISCV_ISA_VENDOR_EXT_XSFVQMACCDOD),
+	__RISCV_ISA_EXT_DATA(xsfvqmaccqoq, RISCV_ISA_VENDOR_EXT_XSFVQMACCQOQ),
+};
+
+struct riscv_isa_vendor_ext_data_list riscv_isa_vendor_ext_list_sifive = {
+	.ext_data_count = ARRAY_SIZE(riscv_isa_vendor_ext_sifive),
+	.ext_data = riscv_isa_vendor_ext_sifive,
+};
diff --git a/arch/riscv/kernel/vendor_extensions/sifive_hwprobe.c b/arch/riscv/kernel/vendor_extensions/sifive_hwprobe.c
new file mode 100644
index 000000000000..1f77f6309763
--- /dev/null
+++ b/arch/riscv/kernel/vendor_extensions/sifive_hwprobe.c
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <asm/vendor_extensions/sifive.h>
+#include <asm/vendor_extensions/sifive_hwprobe.h>
+#include <asm/vendor_extensions/vendor_hwprobe.h>
+
+#include <linux/cpumask.h>
+#include <linux/types.h>
+
+#include <uapi/asm/hwprobe.h>
+#include <uapi/asm/vendor/sifive.h>
+
+void hwprobe_isa_vendor_ext_sifive_0(struct riscv_hwprobe *pair, const struct cpumask *cpus)
+{
+	VENDOR_EXTENSION_SUPPORTED(pair, cpus,
+				   riscv_isa_vendor_ext_list_sifive.per_hart_isa_bitmap, {
+		VENDOR_EXT_KEY(XSFVQMACCDOD);
+		VENDOR_EXT_KEY(XSFVQMACCQOQ);
+		VENDOR_EXT_KEY(XSFVFNRCLIPXFQF);
+		VENDOR_EXT_KEY(XSFVFWMACCQQQ);
+	});
+}
diff --git a/arch/riscv/kvm/aia_device.c b/arch/riscv/kvm/aia_device.c
index 43e472ff3e1a..806c41931cde 100644
--- a/arch/riscv/kvm/aia_device.c
+++ b/arch/riscv/kvm/aia_device.c
@@ -12,36 +12,6 @@
 #include <linux/kvm_host.h>
 #include <linux/uaccess.h>
 
-static void unlock_vcpus(struct kvm *kvm, int vcpu_lock_idx)
-{
-	struct kvm_vcpu *tmp_vcpu;
-
-	for (; vcpu_lock_idx >= 0; vcpu_lock_idx--) {
-		tmp_vcpu = kvm_get_vcpu(kvm, vcpu_lock_idx);
-		mutex_unlock(&tmp_vcpu->mutex);
-	}
-}
-
-static void unlock_all_vcpus(struct kvm *kvm)
-{
-	unlock_vcpus(kvm, atomic_read(&kvm->online_vcpus) - 1);
-}
-
-static bool lock_all_vcpus(struct kvm *kvm)
-{
-	struct kvm_vcpu *tmp_vcpu;
-	unsigned long c;
-
-	kvm_for_each_vcpu(c, tmp_vcpu, kvm) {
-		if (!mutex_trylock(&tmp_vcpu->mutex)) {
-			unlock_vcpus(kvm, c - 1);
-			return false;
-		}
-	}
-
-	return true;
-}
-
 static int aia_create(struct kvm_device *dev, u32 type)
 {
 	int ret;
@@ -53,7 +23,7 @@ static int aia_create(struct kvm_device *dev, u32 type)
 		return -EEXIST;
 
 	ret = -EBUSY;
-	if (!lock_all_vcpus(kvm))
+	if (kvm_trylock_all_vcpus(kvm))
 		return ret;
 
 	kvm_for_each_vcpu(i, vcpu, kvm) {
@@ -65,7 +35,7 @@ static int aia_create(struct kvm_device *dev, u32 type)
 	kvm->arch.aia.in_kernel = true;
 
 out_unlock:
-	unlock_all_vcpus(kvm);
+	kvm_unlock_all_vcpus(kvm);
 	return ret;
 }
 
diff --git a/arch/riscv/lib/riscv_v_helpers.c b/arch/riscv/lib/riscv_v_helpers.c
index be38a93cedae..7bbdfc6d4552 100644
--- a/arch/riscv/lib/riscv_v_helpers.c
+++ b/arch/riscv/lib/riscv_v_helpers.c
@@ -16,8 +16,11 @@
 #ifdef CONFIG_MMU
 size_t riscv_v_usercopy_threshold = CONFIG_RISCV_ISA_V_UCOPY_THRESHOLD;
 int __asm_vector_usercopy(void *dst, void *src, size_t n);
+int __asm_vector_usercopy_sum_enabled(void *dst, void *src, size_t n);
 int fallback_scalar_usercopy(void *dst, void *src, size_t n);
-asmlinkage int enter_vector_usercopy(void *dst, void *src, size_t n)
+int fallback_scalar_usercopy_sum_enabled(void *dst, void *src, size_t n);
+asmlinkage int enter_vector_usercopy(void *dst, void *src, size_t n,
+				     bool enable_sum)
 {
 	size_t remain, copied;
 
@@ -26,7 +29,8 @@ asmlinkage int enter_vector_usercopy(void *dst, void *src, size_t n)
 		goto fallback;
 
 	kernel_vector_begin();
-	remain = __asm_vector_usercopy(dst, src, n);
+	remain = enable_sum ? __asm_vector_usercopy(dst, src, n) :
+			      __asm_vector_usercopy_sum_enabled(dst, src, n);
 	kernel_vector_end();
 
 	if (remain) {
@@ -40,6 +44,7 @@ asmlinkage int enter_vector_usercopy(void *dst, void *src, size_t n)
 	return remain;
 
 fallback:
-	return fallback_scalar_usercopy(dst, src, n);
+	return enable_sum ? fallback_scalar_usercopy(dst, src, n) :
+			    fallback_scalar_usercopy_sum_enabled(dst, src, n);
 }
 #endif
diff --git a/arch/riscv/lib/uaccess.S b/arch/riscv/lib/uaccess.S
index 6a9f116bb545..4efea1b3326c 100644
--- a/arch/riscv/lib/uaccess.S
+++ b/arch/riscv/lib/uaccess.S
@@ -17,14 +17,43 @@ SYM_FUNC_START(__asm_copy_to_user)
 	ALTERNATIVE("j fallback_scalar_usercopy", "nop", 0, RISCV_ISA_EXT_ZVE32X, CONFIG_RISCV_ISA_V)
 	REG_L	t0, riscv_v_usercopy_threshold
 	bltu	a2, t0, fallback_scalar_usercopy
-	tail enter_vector_usercopy
+	li	a3, 1
+	tail 	enter_vector_usercopy
 #endif
-SYM_FUNC_START(fallback_scalar_usercopy)
+SYM_FUNC_END(__asm_copy_to_user)
+EXPORT_SYMBOL(__asm_copy_to_user)
+SYM_FUNC_ALIAS(__asm_copy_from_user, __asm_copy_to_user)
+EXPORT_SYMBOL(__asm_copy_from_user)
 
+SYM_FUNC_START(fallback_scalar_usercopy)
 	/* Enable access to user memory */
-	li t6, SR_SUM
-	csrs CSR_STATUS, t6
+	li	t6, SR_SUM
+	csrs 	CSR_STATUS, t6
+	mv 	t6, ra
 
+	call 	fallback_scalar_usercopy_sum_enabled
+
+	/* Disable access to user memory */
+	mv 	ra, t6
+	li 	t6, SR_SUM
+	csrc 	CSR_STATUS, t6
+	ret
+SYM_FUNC_END(fallback_scalar_usercopy)
+
+SYM_FUNC_START(__asm_copy_to_user_sum_enabled)
+#ifdef CONFIG_RISCV_ISA_V
+	ALTERNATIVE("j fallback_scalar_usercopy_sum_enabled", "nop", 0, RISCV_ISA_EXT_ZVE32X, CONFIG_RISCV_ISA_V)
+	REG_L	t0, riscv_v_usercopy_threshold
+	bltu	a2, t0, fallback_scalar_usercopy_sum_enabled
+	li	a3, 0
+	tail 	enter_vector_usercopy
+#endif
+SYM_FUNC_END(__asm_copy_to_user_sum_enabled)
+SYM_FUNC_ALIAS(__asm_copy_from_user_sum_enabled, __asm_copy_to_user_sum_enabled)
+EXPORT_SYMBOL(__asm_copy_from_user_sum_enabled)
+EXPORT_SYMBOL(__asm_copy_to_user_sum_enabled)
+
+SYM_FUNC_START(fallback_scalar_usercopy_sum_enabled)
 	/*
 	 * Save the terminal address which will be used to compute the number
 	 * of bytes copied in case of a fixup exception.
@@ -178,23 +207,12 @@ SYM_FUNC_START(fallback_scalar_usercopy)
 	bltu	a0, t0, 4b	/* t0 - end of dst */
 
 .Lout_copy_user:
-	/* Disable access to user memory */
-	csrc CSR_STATUS, t6
 	li	a0, 0
 	ret
-
-	/* Exception fixup code */
 10:
-	/* Disable access to user memory */
-	csrc CSR_STATUS, t6
 	sub a0, t5, a0
 	ret
-SYM_FUNC_END(__asm_copy_to_user)
-SYM_FUNC_END(fallback_scalar_usercopy)
-EXPORT_SYMBOL(__asm_copy_to_user)
-SYM_FUNC_ALIAS(__asm_copy_from_user, __asm_copy_to_user)
-EXPORT_SYMBOL(__asm_copy_from_user)
-
+SYM_FUNC_END(fallback_scalar_usercopy_sum_enabled)
 
 SYM_FUNC_START(__clear_user)
 
diff --git a/arch/riscv/lib/uaccess_vector.S b/arch/riscv/lib/uaccess_vector.S
index 7c45f26de4f7..03b5560609a2 100644
--- a/arch/riscv/lib/uaccess_vector.S
+++ b/arch/riscv/lib/uaccess_vector.S
@@ -24,7 +24,18 @@ SYM_FUNC_START(__asm_vector_usercopy)
 	/* Enable access to user memory */
 	li	t6, SR_SUM
 	csrs	CSR_STATUS, t6
+	mv	t6, ra
 
+	call 	__asm_vector_usercopy_sum_enabled
+
+	/* Disable access to user memory */
+	mv 	ra, t6
+	li 	t6, SR_SUM
+	csrc	CSR_STATUS, t6
+	ret
+SYM_FUNC_END(__asm_vector_usercopy)
+
+SYM_FUNC_START(__asm_vector_usercopy_sum_enabled)
 loop:
 	vsetvli iVL, iNum, e8, ELEM_LMUL_SETTING, ta, ma
 	fixup vle8.v vData, (pSrc), 10f
@@ -36,8 +47,6 @@ loop:
 
 	/* Exception fixup for vector load is shared with normal exit */
 10:
-	/* Disable access to user memory */
-	csrc	CSR_STATUS, t6
 	mv	a0, iNum
 	ret
 
@@ -49,4 +58,4 @@ loop:
 	csrr	t2, CSR_VSTART
 	sub	iNum, iNum, t2
 	j	10b
-SYM_FUNC_END(__asm_vector_usercopy)
+SYM_FUNC_END(__asm_vector_usercopy_sum_enabled)
diff --git a/arch/riscv/mm/cacheflush.c b/arch/riscv/mm/cacheflush.c
index b81672729887..4ca5aafce22e 100644
--- a/arch/riscv/mm/cacheflush.c
+++ b/arch/riscv/mm/cacheflush.c
@@ -24,7 +24,20 @@ void flush_icache_all(void)
 
 	if (num_online_cpus() < 2)
 		return;
-	else if (riscv_use_sbi_for_rfence())
+
+	/*
+	 * Make sure all previous writes to the D$ are ordered before making
+	 * the IPI. The RISC-V spec states that a hart must execute a data fence
+	 * before triggering a remote fence.i in order to make the modification
+	 * visable for remote harts.
+	 *
+	 * IPIs on RISC-V are triggered by MMIO writes to either CLINT or
+	 * S-IMSIC, so the fence ensures previous data writes "happen before"
+	 * the MMIO.
+	 */
+	RISCV_FENCE(w, o);
+
+	if (riscv_use_sbi_for_rfence())
 		sbi_remote_fence_i(NULL);
 	else
 		on_each_cpu(ipi_remote_fence_i, NULL, 1);
@@ -101,6 +114,9 @@ EXPORT_SYMBOL_GPL(riscv_cbom_block_size);
 unsigned int riscv_cboz_block_size;
 EXPORT_SYMBOL_GPL(riscv_cboz_block_size);
 
+unsigned int riscv_cbop_block_size;
+EXPORT_SYMBOL_GPL(riscv_cbop_block_size);
+
 static void __init cbo_get_block_size(struct device_node *node,
 				      const char *name, u32 *block_size,
 				      unsigned long *first_hartid)
@@ -125,8 +141,8 @@ static void __init cbo_get_block_size(struct device_node *node,
 
 void __init riscv_init_cbo_blocksizes(void)
 {
-	unsigned long cbom_hartid, cboz_hartid;
-	u32 cbom_block_size = 0, cboz_block_size = 0;
+	unsigned long cbom_hartid, cboz_hartid, cbop_hartid;
+	u32 cbom_block_size = 0, cboz_block_size = 0, cbop_block_size = 0;
 	struct device_node *node;
 	struct acpi_table_header *rhct;
 	acpi_status status;
@@ -138,13 +154,15 @@ void __init riscv_init_cbo_blocksizes(void)
 					   &cbom_block_size, &cbom_hartid);
 			cbo_get_block_size(node, "riscv,cboz-block-size",
 					   &cboz_block_size, &cboz_hartid);
+			cbo_get_block_size(node, "riscv,cbop-block-size",
+					   &cbop_block_size, &cbop_hartid);
 		}
 	} else {
 		status = acpi_get_table(ACPI_SIG_RHCT, 0, &rhct);
 		if (ACPI_FAILURE(status))
 			return;
 
-		acpi_get_cbo_block_size(rhct, &cbom_block_size, &cboz_block_size, NULL);
+		acpi_get_cbo_block_size(rhct, &cbom_block_size, &cboz_block_size, &cbop_block_size);
 		acpi_put_table((struct acpi_table_header *)rhct);
 	}
 
@@ -153,6 +171,9 @@ void __init riscv_init_cbo_blocksizes(void)
 
 	if (cboz_block_size)
 		riscv_cboz_block_size = cboz_block_size;
+
+	if (cbop_block_size)
+		riscv_cbop_block_size = cbop_block_size;
 }
 
 #ifdef CONFIG_SMP
@@ -172,7 +193,7 @@ static void set_icache_stale_mask(void)
 	stale_cpu = cpumask_test_cpu(cpu, mask);
 
 	cpumask_setall(mask);
-	cpumask_assign_cpu(cpu, mask, stale_cpu);
+	__assign_cpu(cpu, mask, stale_cpu);
 	put_cpu();
 }
 #endif
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index ab475ec6ca42..8d0374d7ce8e 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -442,7 +442,12 @@ static phys_addr_t __meminit alloc_pte_late(uintptr_t va)
 {
 	struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, 0);
 
-	BUG_ON(!ptdesc || !pagetable_pte_ctor(ptdesc));
+	/*
+	 * We do not know which mm the PTE page is associated to at this point.
+	 * Passing NULL to the ctor is the safe option, though it may result
+	 * in unnecessary work (e.g. initialising the ptlock for init_mm).
+	 */
+	BUG_ON(!ptdesc || !pagetable_pte_ctor(NULL, ptdesc));
 	return __pa((pte_t *)ptdesc_address(ptdesc));
 }
 
@@ -522,7 +527,8 @@ static phys_addr_t __meminit alloc_pmd_late(uintptr_t va)
 {
 	struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL & ~__GFP_HIGHMEM, 0);
 
-	BUG_ON(!ptdesc || !pagetable_pmd_ctor(ptdesc));
+	/* See comment in alloc_pte_late() regarding NULL passed the ctor */
+	BUG_ON(!ptdesc || !pagetable_pmd_ctor(NULL, ptdesc));
 	return __pa((pmd_t *)ptdesc_address(ptdesc));
 }
 
@@ -584,11 +590,11 @@ static phys_addr_t __init alloc_pud_fixmap(uintptr_t va)
 
 static phys_addr_t __meminit alloc_pud_late(uintptr_t va)
 {
-	unsigned long vaddr;
+	struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL, 0);
 
-	vaddr = __get_free_page(GFP_KERNEL);
-	BUG_ON(!vaddr);
-	return __pa(vaddr);
+	BUG_ON(!ptdesc);
+	pagetable_pud_ctor(ptdesc);
+	return __pa((pud_t *)ptdesc_address(ptdesc));
 }
 
 static p4d_t *__init get_p4d_virt_early(phys_addr_t pa)
@@ -622,11 +628,11 @@ static phys_addr_t __init alloc_p4d_fixmap(uintptr_t va)
 
 static phys_addr_t __meminit alloc_p4d_late(uintptr_t va)
 {
-	unsigned long vaddr;
+	struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL, 0);
 
-	vaddr = __get_free_page(GFP_KERNEL);
-	BUG_ON(!vaddr);
-	return __pa(vaddr);
+	BUG_ON(!ptdesc);
+	pagetable_p4d_ctor(ptdesc);
+	return __pa((p4d_t *)ptdesc_address(ptdesc));
 }
 
 static void __meminit create_pud_mapping(pud_t *pudp, uintptr_t va, phys_addr_t pa, phys_addr_t sz,
diff --git a/arch/riscv/mm/pgtable.c b/arch/riscv/mm/pgtable.c
index 4ae67324f992..8b6c0a112a8d 100644
--- a/arch/riscv/mm/pgtable.c
+++ b/arch/riscv/mm/pgtable.c
@@ -154,4 +154,14 @@ pmd_t pmdp_collapse_flush(struct vm_area_struct *vma,
 	flush_tlb_mm(vma->vm_mm);
 	return pmd;
 }
+
+pud_t pudp_invalidate(struct vm_area_struct *vma, unsigned long address,
+		      pud_t *pudp)
+{
+	VM_WARN_ON_ONCE(!pud_present(*pudp));
+	pud_t old = pudp_establish(vma, address, pudp, pud_mkinvalid(*pudp));
+
+	flush_pud_tlb_range(vma, address, address + HPAGE_PUD_SIZE);
+	return old;
+}
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
diff --git a/arch/riscv/mm/ptdump.c b/arch/riscv/mm/ptdump.c
index 9d5f657a251b..32922550a50a 100644
--- a/arch/riscv/mm/ptdump.c
+++ b/arch/riscv/mm/ptdump.c
@@ -318,6 +318,38 @@ static void note_page(struct ptdump_state *pt_st, unsigned long addr,
 	}
 }
 
+static void note_page_pte(struct ptdump_state *pt_st, unsigned long addr, pte_t pte)
+{
+	note_page(pt_st, addr, 4, pte_val(pte));
+}
+
+static void note_page_pmd(struct ptdump_state *pt_st, unsigned long addr, pmd_t pmd)
+{
+	note_page(pt_st, addr, 3, pmd_val(pmd));
+}
+
+static void note_page_pud(struct ptdump_state *pt_st, unsigned long addr, pud_t pud)
+{
+	note_page(pt_st, addr, 2, pud_val(pud));
+}
+
+static void note_page_p4d(struct ptdump_state *pt_st, unsigned long addr, p4d_t p4d)
+{
+	note_page(pt_st, addr, 1, p4d_val(p4d));
+}
+
+static void note_page_pgd(struct ptdump_state *pt_st, unsigned long addr, pgd_t pgd)
+{
+	note_page(pt_st, addr, 0, pgd_val(pgd));
+}
+
+static void note_page_flush(struct ptdump_state *pt_st)
+{
+	pte_t pte_zero = {0};
+
+	note_page(pt_st, 0, -1, pte_val(pte_zero));
+}
+
 static void ptdump_walk(struct seq_file *s, struct ptd_mm_info *pinfo)
 {
 	struct pg_state st = {
@@ -325,7 +357,12 @@ static void ptdump_walk(struct seq_file *s, struct ptd_mm_info *pinfo)
 		.marker = pinfo->markers,
 		.level = -1,
 		.ptdump = {
-			.note_page = note_page,
+			.note_page_pte = note_page_pte,
+			.note_page_pmd = note_page_pmd,
+			.note_page_pud = note_page_pud,
+			.note_page_p4d = note_page_p4d,
+			.note_page_pgd = note_page_pgd,
+			.note_page_flush = note_page_flush,
 			.range = (struct ptdump_range[]) {
 				{pinfo->base_addr, pinfo->end},
 				{0, 0}
@@ -347,7 +384,12 @@ bool ptdump_check_wx(void)
 		.level = -1,
 		.check_wx = true,
 		.ptdump = {
-			.note_page = note_page,
+			.note_page_pte = note_page_pte,
+			.note_page_pmd = note_page_pmd,
+			.note_page_pud = note_page_pud,
+			.note_page_p4d = note_page_p4d,
+			.note_page_pgd = note_page_pgd,
+			.note_page_flush = note_page_flush,
 			.range = (struct ptdump_range[]) {
 				{KERN_VIRT_START, ULONG_MAX},
 				{0, 0}
diff --git a/arch/riscv/mm/tlbflush.c b/arch/riscv/mm/tlbflush.c
index f9e27ba1df99..e737ba7949b1 100644
--- a/arch/riscv/mm/tlbflush.c
+++ b/arch/riscv/mm/tlbflush.c
@@ -7,6 +7,27 @@
 #include <linux/mmu_notifier.h>
 #include <asm/sbi.h>
 #include <asm/mmu_context.h>
+#include <asm/cpufeature.h>
+
+#define has_svinval()	riscv_has_extension_unlikely(RISCV_ISA_EXT_SVINVAL)
+
+static inline void local_sfence_inval_ir(void)
+{
+	asm volatile(SFENCE_INVAL_IR() ::: "memory");
+}
+
+static inline void local_sfence_w_inval(void)
+{
+	asm volatile(SFENCE_W_INVAL() ::: "memory");
+}
+
+static inline void local_sinval_vma(unsigned long vma, unsigned long asid)
+{
+	if (asid != FLUSH_TLB_NO_ASID)
+		asm volatile(SINVAL_VMA(%0, %1) : : "r" (vma), "r" (asid) : "memory");
+	else
+		asm volatile(SINVAL_VMA(%0, zero) : : "r" (vma) : "memory");
+}
 
 /*
  * Flush entire TLB if number of entries to be flushed is greater
@@ -27,6 +48,16 @@ static void local_flush_tlb_range_threshold_asid(unsigned long start,
 		return;
 	}
 
+	if (has_svinval()) {
+		local_sfence_w_inval();
+		for (i = 0; i < nr_ptes_in_range; ++i) {
+			local_sinval_vma(start, asid);
+			start += stride;
+		}
+		local_sfence_inval_ir();
+		return;
+	}
+
 	for (i = 0; i < nr_ptes_in_range; ++i) {
 		local_flush_tlb_page_asid(start, asid);
 		start += stride;
@@ -182,6 +213,13 @@ void flush_pmd_tlb_range(struct vm_area_struct *vma, unsigned long start,
 	__flush_tlb_range(vma->vm_mm, mm_cpumask(vma->vm_mm),
 			  start, end - start, PMD_SIZE);
 }
+
+void flush_pud_tlb_range(struct vm_area_struct *vma, unsigned long start,
+			 unsigned long end)
+{
+	__flush_tlb_range(vma->vm_mm, mm_cpumask(vma->vm_mm),
+			  start, end - start, PUD_SIZE);
+}
 #endif
 
 bool arch_tlbbatch_should_defer(struct mm_struct *mm)