Provide a DT node for the SiFive Composable Cache controller found on
the StarFive JH7100 SoC.
Note this is also used to support non-coherent DMA, via the
sifive,cache-ops cache flushing operations.
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxxxxxx>
---
arch/riscv/boot/dts/starfive/jh7100.dtsi | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi b/arch/riscv/boot/dts/starfive/jh7100.dtsi
index 06bb157ce111..a8a5bb00b0d8 100644
--- a/arch/riscv/boot/dts/starfive/jh7100.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7100.dtsi
@@ -32,6 +32,7 @@ U74_0: cpu@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@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",
@@ -147,6 +149,18 @@ soc {
dma-noncoherent;
ranges;
+ 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;
+ sifive,cache-ops;
+ };
+
clint: clint@2000000 {
compatible = "starfive,jh7100-clint", "sifive,clint0";
reg = <0x0 0x2000000 0x0 0x10000>;
--
2.42.0
