[PATCH v2 4/8] riscv: dts: starfive: Add JH7100 cache controller
Emil Renner Berthing
emil.renner.berthing at canonical.com
Thu Nov 30 07:19:28 PST 2023
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 at canonical.com>
---
arch/riscv/boot/dts/starfive/jh7100.dtsi | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi b/arch/riscv/boot/dts/starfive/jh7100.dtsi
index 7c1009428c1f..0cafac437746 100644
--- a/arch/riscv/boot/dts/starfive/jh7100.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi
@@ -32,6 +32,7 @@ U74_0: cpu at 0 {
i-tlb-sets = <1>;
i-tlb-size = <32>;
mmu-type = "riscv,sv39";
+ next-level-cache = <&ccache>;
riscv,isa = "rv64imafdc";
riscv,isa-base = "rv64i";
riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
@@ -60,6 +61,7 @@ U74_1: cpu at 1 {
i-tlb-sets = <1>;
i-tlb-size = <32>;
mmu-type = "riscv,sv39";
+ next-level-cache = <&ccache>;
riscv,isa = "rv64imafdc";
riscv,isa-base = "rv64i";
riscv,isa-extensions = "i", "m", "a", "f", "d", "c", "zicntr", "zicsr",
@@ -154,6 +156,17 @@ clint: clint at 2000000 {
<&cpu1_intc 3>, <&cpu1_intc 7>;
};
+ ccache: cache-controller at 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 at c000000 {
compatible = "starfive,jh7100-plic", "sifive,plic-1.0.0";
reg = <0x0 0xc000000 0x0 0x4000000>;
--
2.40.1
More information about the linux-riscv
mailing list