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Date: Tue, 10 Mar 2015 17:47:32 -0700
From: Feng Kan <fkan@....com>
To: patches@....com, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc: Feng Kan <fkan@....com>
Subject: [PATCH V2] arm64: dts: add APM Merlin Board device tree
This patch adds the support for APM Merlin board. The Merlin board
is based on the APM X-Gene Shadowcat SoC. This DTS enables PMU,
SATA and Serial.
Signed-off-by: Feng Kan <fkan@....com>
---
V2 Change:
- Add dma-range definition
V1 Change:
- add memreserve for spintable.
- remove clkfreq attribute
- update spin location, although it is done by bootloader.
- remove msi reg entry
- add chosen for stdout path
arch/arm64/boot/dts/apm/apm-merlin.dts | 41 ++++++++
arch/arm64/boot/dts/apm/apm-shadowcat.dtsi | 155 +++++++++++++++++++++++++++++
2 files changed, 196 insertions(+)
create mode 100644 arch/arm64/boot/dts/apm/apm-merlin.dts
create mode 100644 arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
diff --git a/arch/arm64/boot/dts/apm/apm-merlin.dts b/arch/arm64/boot/dts/apm/apm-merlin.dts
new file mode 100644
index 0000000..3feefbd
--- /dev/null
+++ b/arch/arm64/boot/dts/apm/apm-merlin.dts
@@ -0,0 +1,41 @@
+/*
+ * dts file for AppliedMicro (APM) Merlin Board
+ *
+ * Copyright (C) 2015, Applied Micro Circuits Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+/dts-v1/;
+
+/include/ "apm-shadowcat.dtsi"
+
+/ {
+ model = "APM X-Gene Merlin board";
+ compatible = "apm,merlin", "apm,xgene-shadowcat";
+
+ chosen {
+ linux,stdout-path = &serial0;
+ };
+
+ memory {
+ device_type = "memory";
+ reg = < 0x1 0x00000000 0x0 0x80000000 >;
+ };
+};
+
+&serial0 {
+ status = "ok";
+};
+&sata1 {
+ status = "ok";
+};
+&sata2 {
+ status = "ok";
+};
+&sata3 {
+ status = "ok";
+};
diff --git a/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
new file mode 100644
index 0000000..d9e193d
--- /dev/null
+++ b/arch/arm64/boot/dts/apm/apm-shadowcat.dtsi
@@ -0,0 +1,155 @@
+/*
+ * dts file for AppliedMicro (APM) X-Gene Shadowcat SOC
+ *
+ * Copyright (C) 2015, Applied Micro Circuits Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ */
+
+/memreserve/ 0x4000000000 0x00010000;
+
+/ {
+ compatible = "apm,xgene-shadowcat";
+ interrupt-parent = <&gic>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ cpus {
+ #address-cells = <2>;
+ #size-cells = <0>;
+
+ cpu@000 {
+ device_type = "cpu";
+ compatible = "apm,strega", "arm,armv8";
+ reg = <0x0 0x000>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x40 0x0000fff8>;
+ };
+ cpu@001 {
+ device_type = "cpu";
+ compatible = "apm,strega", "arm,armv8";
+ reg = <0x0 0x001>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x40 0x0000fff8>;
+ };
+ cpu@100 {
+ device_type = "cpu";
+ compatible = "apm,strega", "arm,armv8";
+ reg = <0x0 0x100>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x40 0x0000fff8>;
+ };
+ cpu@101 {
+ device_type = "cpu";
+ compatible = "apm,strega", "arm,armv8";
+ reg = <0x0 0x101>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x40 0x0000fff8>;
+ };
+ cpu@200 {
+ device_type = "cpu";
+ compatible = "apm,strega", "arm,armv8";
+ reg = <0x0 0x200>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x40 0x0000fff8>;
+ };
+ cpu@201 {
+ device_type = "cpu";
+ compatible = "apm,strega", "arm,armv8";
+ reg = <0x0 0x201>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x40 0x0000fff8>;
+ };
+ cpu@300 {
+ device_type = "cpu";
+ compatible = "apm,strega", "arm,armv8";
+ reg = <0x0 0x300>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x40 0x0000fff8>;
+ };
+ cpu@301 {
+ device_type = "cpu";
+ compatible = "apm,strega", "arm,armv8";
+ reg = <0x0 0x301>;
+ enable-method = "spin-table";
+ cpu-release-addr = <0x40 0x0000fff8>;
+ };
+ };
+
+ gic: interrupt-controller@...90000 {
+ compatible = "arm,cortex-a15-gic";
+ #interrupt-cells = <3>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ interrupt-controller;
+ interrupts = <1 9 0xf04>; /* GIC Maintenence IRQ */
+ reg = <0x0 0x78090000 0x0 0x10000>, /* GIC Dist */
+ <0x0 0x780A0000 0x0 0x20000>, /* GIC CPU */
+ <0x0 0x780C0000 0x0 0x10000>, /* GIC VCPU Control */
+ <0x0 0x780E0000 0x0 0x20000>; /* GIC VCPU */
+ };
+
+ pmu {
+ compatible = "arm,armv8-pmuv3";
+ interrupts = <1 12 0xff04>;
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupts = <1 0 0xff04>, /* Secure Phys IRQ */
+ <1 13 0xff04>, /* Non-secure Phys IRQ */
+ <1 14 0xff04>, /* Virt IRQ */
+ <1 15 0xff04>; /* Hyp IRQ */
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ dma-ranges = <0x0 0x0 0x0 0x0 0x100 0x0>;
+
+ serial0: serial@...00000 {
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0 0x10600000 0x0 0x1000>;
+ reg-shift = <2>;
+ clock-frequency = <10000000>;
+ interrupt-parent = <&gic>;
+ interrupts = <0x0 0x4c 0x4>;
+ };
+
+ sata1: sata@...00000 {
+ compatible = "apm,xgene-ahci";
+ reg = <0x0 0x1a000000 0x0 0x1000>,
+ <0x0 0x1f200000 0x0 0x1000>,
+ <0x0 0x1f20d000 0x0 0x1000>,
+ <0x0 0x1f20e000 0x0 0x1000>;
+ interrupts = <0x0 0x5a 0x4>;
+ dma-coherent;
+ };
+
+ sata2: sata@...00000 {
+ compatible = "apm,xgene-ahci";
+ reg = <0x0 0x1a200000 0x0 0x1000>,
+ <0x0 0x1f210000 0x0 0x1000>,
+ <0x0 0x1f21d000 0x0 0x1000>,
+ <0x0 0x1f21e000 0x0 0x1000>;
+ interrupts = <0x0 0x5b 0x4>;
+ dma-coherent;
+ };
+
+ sata3: sata@...00000 {
+ compatible = "apm,xgene-ahci";
+ reg = <0x0 0x1a400000 0x0 0x1000>,
+ <0x0 0x1f220000 0x0 0x1000>,
+ <0x0 0x1f22d000 0x0 0x1000>,
+ <0x0 0x1f22e000 0x0 0x1000>;
+ interrupts = <0x0 0x5c 0x4>;
+ dma-coherent;
+ };
+ };
+};
--
1.9.1
--
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