openwrt/target/linux/starfive/patches-6.6/1019-riscv-dts-starfive-Add-JH7100-cache-controller.patch

From e1918356dcc285eb7c50f271795e6fcc18d6c092 Mon Sep 17 00:00:00 2001
From: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Date: Thu, 30 Nov 2023 16:19:28 +0100
Subject: [PATCH 1019/1024] riscv: dts: starfive: Add JH7100 cache controller

The StarFive JH7100 SoC also features the SiFive L2 cache controller,
so add the device tree nodes for it.

Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
 arch/riscv/boot/dts/starfive/jh7100.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

--- a/arch/riscv/boot/dts/starfive/jh7100.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi
@@ -32,6 +32,7 @@
 			i-tlb-sets = <1>;
 			i-tlb-size = <32>;
 			mmu-type = "riscv,sv39";
+			next-level-cache = <&ccache>;
 			riscv,isa = "rv64imafdc";
 			tlb-split;
 
@@ -57,6 +58,7 @@
 			i-tlb-sets = <1>;
 			i-tlb-size = <32>;
 			mmu-type = "riscv,sv39";
+			next-level-cache = <&ccache>;
 			riscv,isa = "rv64imafdc";
 			tlb-split;
 
@@ -148,6 +150,17 @@
 					       &cpu1_intc 3 &cpu1_intc 7>;
 		};
 
+		ccache: cache-controller@2010000 {
+			compatible = "starfive,jh7100-ccache", "sifive,ccache0", "cache";
+			reg = <0x0 0x2010000 0x0 0x1000>;
+			interrupts = <128>, <130>, <131>, <129>;
+			cache-block-size = <64>;
+			cache-level = <2>;
+			cache-sets = <2048>;
+			cache-size = <2097152>;
+			cache-unified;
+		};
+
 		plic: interrupt-controller@c000000 {
 			compatible = "starfive,jh7100-plic", "sifive,plic-1.0.0";
 			reg = <0x0 0xc000000 0x0 0x4000000>;