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Message-Id: <20230518152244.2178-8-jszhang@kernel.org>
Date:   Thu, 18 May 2023 23:22:41 +0800
From:   Jisheng Zhang <jszhang@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-serial@...r.kernel.org,
        Palmer Dabbelt <palmer@...osinc.com>
Subject: [PATCH v4 07/10] riscv: dts: bouffalolab: add the bl808 SoC base device tree

Add a baisc dtsi for the bouffalolab bl808 SoC.

Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
Acked-by: Palmer Dabbelt <palmer@...osinc.com>
---
 arch/riscv/boot/dts/bouffalolab/bl808.dtsi | 73 ++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 arch/riscv/boot/dts/bouffalolab/bl808.dtsi

diff --git a/arch/riscv/boot/dts/bouffalolab/bl808.dtsi b/arch/riscv/boot/dts/bouffalolab/bl808.dtsi
new file mode 100644
index 000000000000..87906fe51db5
--- /dev/null
+++ b/arch/riscv/boot/dts/bouffalolab/bl808.dtsi
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: (GPL-2.0+ or MIT)
+/*
+ * Copyright (C) 2022 Jisheng Zhang <jszhang@...nel.org>
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	compatible = "bouffalolab,bl808";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	cpus {
+		timebase-frequency = <1000000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			compatible = "thead,c906", "riscv";
+			device_type = "cpu";
+			reg = <0>;
+			d-cache-block-size = <64>;
+			d-cache-sets = <256>;
+			d-cache-size = <32768>;
+			i-cache-block-size = <64>;
+			i-cache-sets = <128>;
+			i-cache-size = <32768>;
+			mmu-type = "riscv,sv39";
+			riscv,isa = "rv64imafdc";
+
+			cpu0_intc: interrupt-controller {
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+				#address-cells = <0>;
+				#interrupt-cells = <1>;
+			};
+		};
+	};
+
+	xtal: xtal-clk {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		/* This value must be overridden by the board */
+		clock-frequency = <0>;
+	};
+
+	soc {
+		compatible = "simple-bus";
+		ranges;
+		interrupt-parent = <&plic>;
+		dma-noncoherent;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		uart3: serial@...02000 {
+			compatible = "bouffalolab,bl808-uart";
+			reg = <0x30002000 0x1000>;
+			interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&xtal>;
+			status = "disabled";
+		};
+
+		plic: interrupt-controller@...00000 {
+			compatible = "bouffalolab,bl808-plic", "thead,c900-plic";
+			reg = <0xe0000000 0x4000000>;
+			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
+			interrupt-controller;
+			#address-cells = <0>;
+			#interrupt-cells = <2>;
+			riscv,ndev = <82>;
+		};
+	};
+};
-- 
2.40.0

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