openwrt/target/linux/starfive/patches-6.6/1019-riscv-dts-starfive-Add-JH7100-cache-controller.patch
Zoltan HERPAI e2e2fc3cd0 starfive: add patches for 6.6
Add updated patches for 6.6. DMA/cache-handling patches
have been reworked / backported from upstream.

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
2024-09-03 00:03:19 +02:00

51 lines
1.5 KiB
Diff

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>;