From a54f42722e494c86ad0eeba198a662d68aeabb15 Mon Sep 17 00:00:00 2001
From: Conor Dooley <conor.dooley@microchip.com>
Date: Mon, 9 Oct 2023 10:37:46 +0100
Subject: riscv: dts: sifive: convert isa detection to new properties

Convert the fu540 and fu740 devicetrees to use the new properties
"riscv,isa-base" & "riscv,isa-extensions".
For compatibility with other projects, "riscv,isa" remains.

Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
 arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 15 +++++++++++++++
 arch/riscv/boot/dts/sifive/fu740-c000.dtsi | 15 +++++++++++++++
 2 files changed, 30 insertions(+)

(limited to 'arch/riscv/boot/dts')

diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
index 24bba83bec77..156330a9bbf3 100644
--- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
+++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi
@@ -30,6 +30,9 @@
 			i-cache-size = <16384>;
 			reg = <0>;
 			riscv,isa = "rv64imac";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "c", "zicntr", "zicsr", "zifencei",
+					       "zihpm";
 			status = "disabled";
 			cpu0_intc: interrupt-controller {
 				#interrupt-cells = <1>;
@@ -53,6 +56,9 @@
 			mmu-type = "riscv,sv39";
 			reg = <1>;
 			riscv,isa = "rv64imafdc";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
+					       "zifencei", "zihpm";
 			tlb-split;
 			next-level-cache = <&l2cache>;
 			cpu1_intc: interrupt-controller {
@@ -77,6 +83,9 @@
 			mmu-type = "riscv,sv39";
 			reg = <2>;
 			riscv,isa = "rv64imafdc";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
+					       "zifencei", "zihpm";
 			tlb-split;
 			next-level-cache = <&l2cache>;
 			cpu2_intc: interrupt-controller {
@@ -101,6 +110,9 @@
 			mmu-type = "riscv,sv39";
 			reg = <3>;
 			riscv,isa = "rv64imafdc";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
+					       "zifencei", "zihpm";
 			tlb-split;
 			next-level-cache = <&l2cache>;
 			cpu3_intc: interrupt-controller {
@@ -125,6 +137,9 @@
 			mmu-type = "riscv,sv39";
 			reg = <4>;
 			riscv,isa = "rv64imafdc";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
+					       "zifencei", "zihpm";
 			tlb-split;
 			next-level-cache = <&l2cache>;
 			cpu4_intc: interrupt-controller {
diff --git a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
index 5235fd1c9cb6..6150f3397bff 100644
--- a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
+++ b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi
@@ -31,6 +31,9 @@
 			next-level-cache = <&ccache>;
 			reg = <0x0>;
 			riscv,isa = "rv64imac";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "c", "zicntr", "zicsr", "zifencei",
+					       "zihpm";
 			status = "disabled";
 			cpu0_intc: interrupt-controller {
 				#interrupt-cells = <1>;
@@ -55,6 +58,9 @@
 			next-level-cache = <&ccache>;
 			reg = <0x1>;
 			riscv,isa = "rv64imafdc";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
+					       "zifencei", "zihpm";
 			tlb-split;
 			cpu1_intc: interrupt-controller {
 				#interrupt-cells = <1>;
@@ -79,6 +85,9 @@
 			next-level-cache = <&ccache>;
 			reg = <0x2>;
 			riscv,isa = "rv64imafdc";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
+					       "zifencei", "zihpm";
 			tlb-split;
 			cpu2_intc: interrupt-controller {
 				#interrupt-cells = <1>;
@@ -103,6 +112,9 @@
 			next-level-cache = <&ccache>;
 			reg = <0x3>;
 			riscv,isa = "rv64imafdc";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
+					       "zifencei", "zihpm";
 			tlb-split;
 			cpu3_intc: interrupt-controller {
 				#interrupt-cells = <1>;
@@ -127,6 +139,9 @@
 			next-level-cache = <&ccache>;
 			reg = <0x4>;
 			riscv,isa = "rv64imafdc";
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
+					       "zifencei", "zihpm";
 			tlb-split;
 			cpu4_intc: interrupt-controller {
 				#interrupt-cells = <1>;
-- 
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