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Message-Id: <20230405223028.1268141-1-danielwa@cisco.com>
Date: Wed, 5 Apr 2023 15:30:26 -0700
From: Daniel Walker <danielwa@...co.com>
To: Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>,
Olof Johansson <olof@...om.net>, soc@...nel.org,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
xe-linux-external@...co.com
Cc: Marcin Wierzbicki <mawierzb@...co.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org
Subject: [PATCH v2 1/2] arm64: dts: cisco: add device tree for Cisco CrayAr Argos
From: Marcin Wierzbicki <mawierzb@...co.com>
Adds device tree include file for Cisco CrayAR SoC and
device tree file for Cisco CrayAR Argos EVB board.
Cc: xe-linux-external@...co.com
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Rob Herring <robh+dt@...nel.org>
Signed-off-by: Marcin Wierzbicki <mawierzb@...co.com>
Signed-off-by: Daniel Walker <danielwa@...co.com>
---
MAINTAINERS | 5 +
arch/arm64/Kconfig.platforms | 5 +
arch/arm64/boot/dts/Makefile | 1 +
arch/arm64/boot/dts/cisco/Makefile | 2 +
arch/arm64/boot/dts/cisco/crayar.dtsi | 247 +++++++++++++++++++++
arch/arm64/boot/dts/cisco/crayar_argos.dts | 32 +++
6 files changed, 292 insertions(+)
create mode 100644 arch/arm64/boot/dts/cisco/Makefile
create mode 100644 arch/arm64/boot/dts/cisco/crayar.dtsi
create mode 100644 arch/arm64/boot/dts/cisco/crayar_argos.dts
diff --git a/MAINTAINERS b/MAINTAINERS
index 90abe83c02f3..ff99020029f8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4793,6 +4793,11 @@ X: drivers/char/ipmi/
X: drivers/char/random.c
X: drivers/char/tpm/
+CISCO ARM64 DEVICE TREE SUPPORT
+M: xe-linux-external@...co.com
+S: Supported
+F: arch/arm64/boot/dts/cisco/
+
CHECKPATCH
M: Andy Whitcroft <apw@...onical.com>
M: Joe Perches <joe@...ches.com>
diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index 89a0b13b058d..740099c56382 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -94,6 +94,11 @@ config ARCH_BITMAIN
help
This enables support for the Bitmain SoC Family.
+config ARCH_CISCO_CRAYAR_ARGOS
+ bool "Cisco Argos Platform"
+ help
+ This enables support for the Cisco Argos Platform.
+
config ARCH_EXYNOS
bool "Samsung Exynos SoC family"
select COMMON_CLK_SAMSUNG
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 7b107fa7414b..3f83583f9996 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -11,6 +11,7 @@ subdir-y += arm
subdir-y += bitmain
subdir-y += broadcom
subdir-y += cavium
+subdir-y += cisco
subdir-y += exynos
subdir-y += freescale
subdir-y += hisilicon
diff --git a/arch/arm64/boot/dts/cisco/Makefile b/arch/arm64/boot/dts/cisco/Makefile
new file mode 100644
index 000000000000..b1d4220df2f4
--- /dev/null
+++ b/arch/arm64/boot/dts/cisco/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_CISCO_CRAYAR_ARGOS) += crayar_argos.dtb
diff --git a/arch/arm64/boot/dts/cisco/crayar.dtsi b/arch/arm64/boot/dts/cisco/crayar.dtsi
new file mode 100644
index 000000000000..6ae5e1653318
--- /dev/null
+++ b/arch/arm64/boot/dts/cisco/crayar.dtsi
@@ -0,0 +1,247 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Include file for Cisco CrayAR family SoC.
+ *
+ * Copyright (C) 2022 Cisco
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ compatible = "cisco,crayar";
+ interrupt-parent = <&gic>;
+ #address-cells = <0x2>;
+ #size-cells = <0x2>;
+
+ base_clk: base-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <500000000>;
+ };
+
+ cpus {
+ #address-cells = <0x1>;
+ #size-cells = <0x0>;
+
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a75";
+ reg = <0x00000>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x0 0x7003fff8>;
+ next-level-cache = <&l2_0>;
+ };
+
+ cpu1: cpu@100 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a75";
+ reg = <0x00100>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x0 0x7003fff8>;
+ next-level-cache = <&l2_1>;
+ };
+
+ cpu2: cpu@200 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a75";
+ reg = <0x00200>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x0 0x7003fff8>;
+ next-level-cache = <&l2_2>;
+ };
+
+ cpu3: cpu@300 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a75";
+ reg = <0x00300>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x0 0x7003fff8>;
+ next-level-cache = <&l2_3>;
+ };
+
+ cpu4: cpu@...00 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a75";
+ reg = <0x10000>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x0 0x7003fff8>;
+ next-level-cache = <&l2_4>;
+ };
+
+ cpu5: cpu@...00 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a75";
+ reg = <0x10100>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x0 0x7003fff8>;
+ next-level-cache = <&l2_5>;
+ };
+
+ cpu6: cpu@...00 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a75";
+ reg = <0x10200>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x0 0x7003fff8>;
+ next-level-cache = <&l2_6>;
+ };
+
+ cpu7: cpu@...00 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a75";
+ reg = <0x10300>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x0 0x7003fff8>;
+ next-level-cache = <&l2_7>;
+ };
+
+ cpu-map {
+ cluster0 {
+ core0 {
+ cpu = <&cpu0>;
+ };
+ core1 {
+ cpu = <&cpu1>;
+ };
+ core2 {
+ cpu = <&cpu2>;
+ };
+ core3 {
+ cpu = <&cpu3>;
+ };
+ };
+ cluster1 {
+ core0 {
+ cpu = <&cpu4>;
+ };
+ core1 {
+ cpu = <&cpu5>;
+ };
+ core2 {
+ cpu = <&cpu6>;
+ };
+ core3 {
+ cpu = <&cpu7>;
+ };
+ };
+ };
+
+ l2_0: l2-cache0 {
+ compatible = "cache";
+ next-level-cache = <&l3_0>;
+ };
+
+ l2_1: l2-cache1 {
+ compatible = "cache";
+ next-level-cache = <&l3_0>;
+ };
+
+ l2_2: l2-cache2 {
+ compatible = "cache";
+ next-level-cache = <&l3_0>;
+ };
+
+ l2_3: l2-cache3 {
+ compatible = "cache";
+ next-level-cache = <&l3_0>;
+ };
+
+ l2_4: l2-cache4 {
+ compatible = "cache";
+ next-level-cache = <&l3_1>;
+ };
+
+ l2_5: l2-cache5 {
+ compatible = "cache";
+ next-level-cache = <&l3_1>;
+ };
+
+ l2_6: l2-cache6 {
+ compatible = "cache";
+ next-level-cache = <&l3_1>;
+ };
+
+ l2_7: l2-cache7 {
+ compatible = "cache";
+ next-level-cache = <&l3_1>;
+ };
+
+ l3_0: l3-cache0 {
+ compatible = "cache";
+ };
+
+ l3_1: l3-cache1 {
+ compatible = "cache";
+ };
+ };
+
+ cci: cci@...00000 {
+ compatible = "arm,cci-550";
+ reg = <0x0 0x2e000000 0x0 0x1000>;
+ ranges = <0x0 0x0 0x2e000000 0x6000>;
+ #address-cells = <0x1>;
+ #size-cells = <0x1>;
+
+ };
+
+ timer: timer {
+ compatible = "arm,armv8-timer";
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ gic: interrupt-controller@...00000 {
+ compatible = "arm,gic-v3";
+ reg = <0x0 0x20000000 0x0 0x10000>, /* GICD */
+ <0x0 0x20060000 0x0 0x100000>; /* GICR */
+ #interrupt-cells = <3>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ interrupt-controller;
+ msi-controller;
+ mbi-ranges = <256 224>;
+
+ interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+
+ its: msi-controller@...40000 {
+ compatible = "arm,gic-v3-its";
+ reg = <0x0 0x20040000 0x0 0x10000>;
+ msi-controller;
+ #msi-cells = <1>;
+ };
+ };
+
+ soc {
+ compatible = "simple-bus";
+ ranges = <0x0 0x0 0x0 0x0 0x100 0x0>;
+ #address-cells = <0x2>;
+ #size-cells = <0x2>;
+
+ uart0: serial@...80000 {
+ compatible = "ns16550a";
+ reg = <0x0 0x23f80000 0x0 0x100>;
+ interrupts = <GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>;
+ reg-shift = <0x2>;
+ reg-io-width = <0x4>;
+ clocks = <&base_clk>;
+ current-speed = <9600>;
+ status = "disabled";
+ };
+
+ uart1: serial@...c0000 {
+ compatible = "ns16550a";
+ reg = <0x0 0x23fc0000 0x0 0x100>;
+ interrupts = <GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>;
+ reg-shift = <0x2>;
+ reg-io-width = <0x4>;
+ clocks = <&base_clk>;
+ current-speed = <9600>;
+ status = "disabled";
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/cisco/crayar_argos.dts b/arch/arm64/boot/dts/cisco/crayar_argos.dts
new file mode 100644
index 000000000000..cbdf3c13bf52
--- /dev/null
+++ b/arch/arm64/boot/dts/cisco/crayar_argos.dts
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree file for Cisco CrayAR Argos EVB board.
+ *
+ * Copyright (C) 2022 Cisco
+ */
+
+/dts-v1/;
+#include "crayar.dtsi"
+
+/ {
+ compatible = "cisco,crayar-argos", "cisco,crayar";
+ model = "Cisco CrayAr Argos EVB";
+ version = <0x00000001>;
+
+ aliases {
+ serial0 = &uart0;
+ };
+
+ chosen {
+ stdout-path = "serial0:9600n8";
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x0 0x80000000>;
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
--
2.25.1
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