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. Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxxxxxx> --- arch/riscv/boot/dts/starfive/jh7100.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/riscv/boot/dts/starfive/jh7100.dtsi b/arch/riscv/boot/dts/starfive/jh7100.dtsi index 7109e70fdab8..88f91bc5753b 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"; tlb-split; @@ -57,6 +58,7 @@ U74_1: cpu@1 { i-tlb-sets = <1>; i-tlb-size = <32>; mmu-type = "riscv,sv39"; + next-level-cache = <&ccache>; riscv,isa = "rv64imafdc"; tlb-split; @@ -116,6 +118,20 @@ soc { ranges; dma-noncoherent; + ccache: cache-controller@2010000 { + compatible = "starfive,jh7100-ccache", "cache"; + reg = <0x0 0x2010000 0x0 0x1000>, + <0x0 0x8000000 0x0 0x2000000>; + reg-names = "control", "sideband"; + interrupts = <128>, <130>, <131>, <129>; + cache-block-size = <64>; + cache-level = <2>; + cache-sets = <2048>; + cache-size = <2097152>; + cache-unified; + uncached-offset = <0xf 0x80000000>; + }; + clint: clint@2000000 { compatible = "starfive,jh7100-clint", "sifive,clint0"; reg = <0x0 0x2000000 0x0 0x10000>; -- 2.39.1