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X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, aou@eecs.berkeley.edu, atish.patra@wdc.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, alexios.zavras@intel.com, Yash Shah , palmer@dabbelt.com, tglx@linutronix.de, bmeng.cn@gmail.com, linux-riscv@lists.infradead.org, allison@lohutok.net Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org Add the L2 cache controller DT node in SiFive FU540 soc-specific DT file Signed-off-by: Yash Shah --- arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi index afa43c7..812db02 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -19,6 +19,16 @@ chosen { }; + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + l2_lim: lim@0x8000000 { + reg = <0x0 0x8000000 0x0 0x2000000>; + }; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -54,6 +64,7 @@ reg = <1>; riscv,isa = "rv64imafdc"; tlb-split; + next-level-cache = <&l2cache>; cpu1_intc: interrupt-controller { #interrupt-cells = <1>; compatible = "riscv,cpu-intc"; @@ -77,6 +88,7 @@ reg = <2>; riscv,isa = "rv64imafdc"; tlb-split; + next-level-cache = <&l2cache>; cpu2_intc: interrupt-controller { #interrupt-cells = <1>; compatible = "riscv,cpu-intc"; @@ -100,6 +112,7 @@ reg = <3>; riscv,isa = "rv64imafdc"; tlb-split; + next-level-cache = <&l2cache>; cpu3_intc: interrupt-controller { #interrupt-cells = <1>; compatible = "riscv,cpu-intc"; @@ -123,6 +136,7 @@ reg = <4>; riscv,isa = "rv64imafdc"; tlb-split; + next-level-cache = <&l2cache>; cpu4_intc: interrupt-controller { #interrupt-cells = <1>; compatible = "riscv,cpu-intc"; @@ -246,6 +260,18 @@ #pwm-cells = <3>; status = "disabled"; }; + l2cache: cache-controller@2010000 { + compatible = "sifive,fu540-c000-ccache", "cache"; + cache-block-size = <64>; + cache-level = <2>; + cache-sets = <1024>; + cache-size = <2097152>; + cache-unified; + interrupt-parent = <&plic0>; + interrupts = <1 2 3>; + reg = <0x0 0x2010000 0x0 0x1000>; + memory-region = <&l2_lim>; + }; }; }; -- 2.7.4