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Message-Id: <20190905144316.12527-15-jiaxun.yang@flygoat.com>
Date:   Thu,  5 Sep 2019 22:43:11 +0800
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     linux-mips@...r.kernel.org
Cc:     chenhc@...ote.com, paul.burton@...s.com, tglx@...utronix.de,
        jason@...edaemon.net, maz@...nel.org, linux-kernel@...r.kernel.org,
        robh+dt@...nel.org, mark.rutland@....co,
        devicetree@...r.kernel.org, Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: [PATCH v2 14/19] MIPS: Loongson64: Add generic dts

Add generic device dts for Loongson-3 devices.
They seems identical but will be different later.

Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
---
 arch/mips/Kconfig                           |  4 +-
 arch/mips/boot/dts/Makefile                 |  1 +
 arch/mips/boot/dts/loongson/3a-package.dtsi | 69 +++++++++++++++++++++
 arch/mips/boot/dts/loongson/3a1000_780e.dts | 10 +++
 arch/mips/boot/dts/loongson/3a2000_780e.dts | 10 +++
 arch/mips/boot/dts/loongson/3a3000_780e.dts | 10 +++
 arch/mips/boot/dts/loongson/3b-package.dtsi | 69 +++++++++++++++++++++
 arch/mips/boot/dts/loongson/3b1x00_780e.dts | 10 +++
 arch/mips/boot/dts/loongson/Makefile        |  5 ++
 arch/mips/boot/dts/loongson/rs780e-pch.dtsi | 35 +++++++++++
 10 files changed, 222 insertions(+), 1 deletion(-)
 create mode 100644 arch/mips/boot/dts/loongson/3a-package.dtsi
 create mode 100644 arch/mips/boot/dts/loongson/3a1000_780e.dts
 create mode 100644 arch/mips/boot/dts/loongson/3a2000_780e.dts
 create mode 100644 arch/mips/boot/dts/loongson/3a3000_780e.dts
 create mode 100644 arch/mips/boot/dts/loongson/3b-package.dtsi
 create mode 100644 arch/mips/boot/dts/loongson/3b1x00_780e.dts
 create mode 100644 arch/mips/boot/dts/loongson/Makefile
 create mode 100644 arch/mips/boot/dts/loongson/rs780e-pch.dtsi

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index b6bdd96ec74e..5bad9aafcbdf 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -489,6 +489,8 @@ config MACH_LOONGSON64
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select ZONE_DMA32
 	select SYS_SUPPORTS_ZBOOT
+	select USE_OF
+	select BUILTIN_DTB
 	help
 	  This enables the support of Loongson-3A/3B/2-series-soc processors
 
@@ -3047,7 +3049,7 @@ endchoice
 choice
 	prompt "Kernel command line type" if !CMDLINE_OVERRIDE
 	default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
-					 !MIPS_MALTA && \
+					 !MACH_LOONGSON64 && !MIPS_MALTA && \
 					 !CAVIUM_OCTEON_SOC
 	default MIPS_CMDLINE_FROM_BOOTLOADER
 
diff --git a/arch/mips/boot/dts/Makefile b/arch/mips/boot/dts/Makefile
index 1e79cab8e269..d429a69bfe30 100644
--- a/arch/mips/boot/dts/Makefile
+++ b/arch/mips/boot/dts/Makefile
@@ -4,6 +4,7 @@ subdir-y	+= cavium-octeon
 subdir-y	+= img
 subdir-y	+= ingenic
 subdir-y	+= lantiq
+subdir-y	+= loongson
 subdir-y	+= mscc
 subdir-y	+= mti
 subdir-y	+= netlogic
diff --git a/arch/mips/boot/dts/loongson/3a-package.dtsi b/arch/mips/boot/dts/loongson/3a-package.dtsi
new file mode 100644
index 000000000000..739cf43c7310
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/3a-package.dtsi
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	cpuintc: interrupt-controller {
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+		interrupt-controller;
+		compatible = "mti,cpu-interrupt-controller";
+	};
+
+	package@0 {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <1>;
+		ranges = <0 0x1fe00000 0 0x1fe00000 0x100000
+				0 0x3ff00000 0 0x3ff00000 0x100000
+				0xEFD 0xFB000000 0xEFD 0xFB000000 0x10000000 /* 3A HT Config Space */>;
+
+		iointc: interrupt-controller@...01400 {
+			compatible = "loongson,ls3-iointc";
+			reg = <0 0x3ff01400 0x64>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&cpuintc>;
+			interrupts = <2>;
+			};
+
+		cpu_uart0: serial@...001e0 {
+			device_type = "serial";
+			compatible = "ns16550a";
+			reg = <0 0x1fe001e0 0x8>;
+			clock-frequency = <33000000>;
+			interrupt-parent = <&iointc>;
+			interrupts = <10 IRQ_TYPE_LEVEL_HIGH>;
+			no-loopback-test;
+		};
+
+		cpu_uart1: serial@...001e8 {
+			status = "disabled";
+			device_type = "serial";
+			compatible = "ns16550a";
+			reg = <0 0x1fe001e8 0x8>;
+			clock-frequency = <33000000>;
+			interrupts = <10 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-parent = <&iointc>;
+			no-loopback-test;
+		};
+
+		htintc: interrupt-controller@...FDFB000080 {
+			compatible = "loongson,ls3-htintc";
+			reg = <0xEFD 0xFB000080 0x100>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&iointc>;
+			interrupts = <24 IRQ_TYPE_LEVEL_HIGH>,
+						<25 IRQ_TYPE_LEVEL_HIGH>,
+						<26 IRQ_TYPE_LEVEL_HIGH>,
+						<27 IRQ_TYPE_LEVEL_HIGH>;
+		};
+	};
+};
diff --git a/arch/mips/boot/dts/loongson/3a1000_780e.dts b/arch/mips/boot/dts/loongson/3a1000_780e.dts
new file mode 100644
index 000000000000..dc1afe9410c8
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/3a1000_780e.dts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "3a-package.dtsi"
+#include "rs780e-pch.dtsi"
+
+/ {
+	compatible = "loongson,ls3a1000-780e";
+};
diff --git a/arch/mips/boot/dts/loongson/3a2000_780e.dts b/arch/mips/boot/dts/loongson/3a2000_780e.dts
new file mode 100644
index 000000000000..621e0d3b5fbd
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/3a2000_780e.dts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "3a-package.dtsi"
+#include "rs780e-pch.dtsi"
+
+/ {
+	compatible = "loongson,ls3a2000-780e";
+};
diff --git a/arch/mips/boot/dts/loongson/3a3000_780e.dts b/arch/mips/boot/dts/loongson/3a3000_780e.dts
new file mode 100644
index 000000000000..f170f1c2189d
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/3a3000_780e.dts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "3a-package.dtsi"
+#include "rs780e-pch.dtsi"
+
+/ {
+	compatible = "loongson,ls3a3000-780e";
+};
diff --git a/arch/mips/boot/dts/loongson/3b-package.dtsi b/arch/mips/boot/dts/loongson/3b-package.dtsi
new file mode 100644
index 000000000000..af6e115d33c0
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/3b-package.dtsi
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	cpuintc: interrupt-controller {
+		#address-cells = <0>;
+		#interrupt-cells = <1>;
+		interrupt-controller;
+		compatible = "mti,cpu-interrupt-controller";
+	};
+
+	package@0 {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <1>;
+		ranges = <0 0x1fe00000 0 0x1fe00000 0x100000
+				0 0x3ff00000 0 0x3ff00000 0x100000
+				0x1EFD 0xFB000000 0x1EFD 0xFB000000 0x10000000 /* 3B HT Config Space */>;
+
+		iointc: interrupt-controller@...01400 {
+			compatible = "loongson,ls3-iointc";
+			reg = <0 0x3ff01400 0x64>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+
+			interrupt-parent = <&cpuintc>;
+			interrupts = <2>;
+			};
+
+		cpu_uart0: serial@...001e0 {
+			device_type = "serial";
+			compatible = "ns16550a";
+			reg = <0 0x1fe001e0 0x8>;
+			clock-frequency = <33000000>;
+			interrupts = <10 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-parent = <&iointc>;
+			no-loopback-test;
+		};
+
+		cpu_uart1: serial@...001e8 {
+			status = "disabled";
+			device_type = "serial";
+			compatible = "ns16550a";
+			reg = <0 0x1fe001e8 0x8>;
+			clock-frequency = <33000000>;
+			interrupts = <10 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-parent = <&iointc>;
+			no-loopback-test;
+		};
+
+		htintc: interrupt-controller@...EFDFB000080 {
+			compatible = "loongson,ls3-htintc";
+			reg = <0x1EFD 0xFB000080 0x100>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&iointc>;
+			interrupts = <24 IRQ_TYPE_LEVEL_HIGH>,
+						<25 IRQ_TYPE_LEVEL_HIGH>,
+						<26 IRQ_TYPE_LEVEL_HIGH>,
+						<27 IRQ_TYPE_LEVEL_HIGH>;
+		};
+	};
+};
diff --git a/arch/mips/boot/dts/loongson/3b1x00_780e.dts b/arch/mips/boot/dts/loongson/3b1x00_780e.dts
new file mode 100644
index 000000000000..9b0dff0b1482
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/3b1x00_780e.dts
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "3b-package.dtsi"
+#include "rs780e-pch.dtsi"
+
+/ {
+	compatible = "loongson,ls3b-780e";
+};
diff --git a/arch/mips/boot/dts/loongson/Makefile b/arch/mips/boot/dts/loongson/Makefile
new file mode 100644
index 000000000000..a225d84a521e
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/Makefile
@@ -0,0 +1,5 @@
+# SPDX_License_Identifier: GPL_2.0
+dtb-$(CONFIG_MACH_LOONGSON64)	+= 3a1000_780e.dtb 3a2000_780e.dtb 3a3000_780e.dtb 3b1x00_780e.dtb \
+
+
+obj-$(CONFIG_BUILTIN_DTB)	+= $(addsuffix .o, $(dtb-y))
diff --git a/arch/mips/boot/dts/loongson/rs780e-pch.dtsi b/arch/mips/boot/dts/loongson/rs780e-pch.dtsi
new file mode 100644
index 000000000000..915363eafa2f
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/rs780e-pch.dtsi
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/ {
+	pch {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <1>;
+		ranges = <0x000 0x10000000 0x000 0x10000000 0x10000000
+			  0x000 0x40000000 0x000 0x40000000 0x40000000>;
+
+		isa {
+			compatible = "isa";
+			#address-cells = <2>;
+			#size-cells = <1>;
+			ranges = <1 0 0 0 0x1000>;
+
+			i8259: interrupt-controller@20 {
+				compatible = "intel,i8259";
+				interrupt-controller;
+				#interrupt-cells = <1>;
+				plat-poll;
+				interrupts = <0>, <1>, <2>, <3>, <4>, <5>, <6>, <7>,
+							<8>, <9>, <10>, <11>, <12>, <13>, <14>, <15>;
+				interrupt-parent = <&htintc>;
+			};
+
+			rtc0: rtc@70 {
+				compatible = "motorola,mc146818";
+				reg = <1 0x70 0x8>;
+				interrupts = <8>;
+				interrupt-parent = <&i8259>;
+			};
+		};
+	};
+};
-- 
2.22.0

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