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Message-Id: <20190830043232.20191-9-jiaxun.yang@flygoat.com>
Date: Fri, 30 Aug 2019 12:32:28 +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 v1 14/18] 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/Makefile | 8 +
arch/mips/boot/dts/loongson/ls3-2nodes.dtsi | 8 +
arch/mips/boot/dts/loongson/ls3-4nodes.dtsi | 15 ++
arch/mips/boot/dts/loongson/ls3-cpus.dtsi | 150 ++++++++++++++++++
arch/mips/boot/dts/loongson/ls3-gs464.dtsi | 18 +++
arch/mips/boot/dts/loongson/ls3-gs464e.dtsi | 18 +++
.../boot/dts/loongson/ls3-rs780e-pch.dtsi | 35 ++++
arch/mips/boot/dts/loongson/ls3a-package.dtsi | 59 +++++++
.../boot/dts/loongson/ls3a1000_780e_1way.dts | 12 ++
.../boot/dts/loongson/ls3a1000_780e_2way.dts | 13 ++
.../boot/dts/loongson/ls3a1000_780e_4way.dts | 13 ++
.../boot/dts/loongson/ls3a2000_780e_1way.dts | 12 ++
.../boot/dts/loongson/ls3a2000_780e_2way.dts | 13 ++
.../boot/dts/loongson/ls3a2000_780e_4way.dts | 13 ++
.../boot/dts/loongson/ls3a3000_780e_1way.dts | 12 ++
.../boot/dts/loongson/ls3a3000_780e_2way.dts | 13 ++
.../boot/dts/loongson/ls3a3000_780e_4way.dts | 13 ++
arch/mips/boot/dts/loongson/ls3b-package.dtsi | 59 +++++++
.../mips/boot/dts/loongson/ls3b_780e_1way.dts | 13 ++
.../mips/boot/dts/loongson/ls3b_780e_2way.dts | 13 ++
22 files changed, 514 insertions(+), 1 deletion(-)
create mode 100644 arch/mips/boot/dts/loongson/Makefile
create mode 100644 arch/mips/boot/dts/loongson/ls3-2nodes.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3-4nodes.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3-cpus.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3-gs464.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3-gs464e.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3-rs780e-pch.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3a-package.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3a1000_780e_1way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a1000_780e_2way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a1000_780e_4way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a2000_780e_1way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a2000_780e_2way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a2000_780e_4way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a3000_780e_1way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a3000_780e_2way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3a3000_780e_4way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3b-package.dtsi
create mode 100644 arch/mips/boot/dts/loongson/ls3b_780e_1way.dts
create mode 100644 arch/mips/boot/dts/loongson/ls3b_780e_2way.dts
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 92a2ee773a40..1c27c3a4e036 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -485,6 +485,8 @@ 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
@@ -3074,7 +3076,7 @@ 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/Makefile b/arch/mips/boot/dts/loongson/Makefile
new file mode 100644
index 000000000000..25dca8a89d5d
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/Makefile
@@ -0,0 +1,8 @@
+# SPDX_License_Identifier: GPL_2.0
+dtb-$(CONFIG_MACH_LOONGSON64) += ls3a1000_780e_1way.dtb ls3a1000_780e_2way.dtb ls3a1000_780e_4way.dtb \
+ ls3b_780e_1way.dtb ls3b_780e_2way.dtb \
+ ls3a2000_780e_1way.dtb ls3a2000_780e_2way.dtb ls3a2000_780e_4way.dtb \
+ ls3a3000_780e_1way.dtb ls3a3000_780e_2way.dtb ls3a3000_780e_4way.dtb
+
+
+obj-$(CONFIG_BUILTIN_DTB) += $(addsuffix .o, $(dtb-y))
diff --git a/arch/mips/boot/dts/loongson/ls3-2nodes.dtsi b/arch/mips/boot/dts/loongson/ls3-2nodes.dtsi
new file mode 100644
index 000000000000..3103a4f96f68
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3-2nodes.dtsi
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+
+&cpu4 { status = "okay"; };
+&cpu5 { status = "okay"; };
+&cpu6 { status = "okay"; };
+&cpu7 { status = "okay"; };
+
+&scache1 { status = "okay"; };
diff --git a/arch/mips/boot/dts/loongson/ls3-4nodes.dtsi b/arch/mips/boot/dts/loongson/ls3-4nodes.dtsi
new file mode 100644
index 000000000000..be8cca52c072
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3-4nodes.dtsi
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/include/ "ls3-2nodes.dtsi"
+
+&cpu8 { status = "okay"; };
+&cpu9 { status = "okay"; };
+&cpu10 { status = "okay"; };
+&cpu11 { status = "okay"; };
+&cpu12 { status = "okay"; };
+&cpu13 { status = "okay"; };
+&cpu14 { status = "okay"; };
+&cpu15 { status = "okay"; };
+
+&scache2 { status = "okay"; };
+&scache3 { status = "okay"; };
diff --git a/arch/mips/boot/dts/loongson/ls3-cpus.dtsi b/arch/mips/boot/dts/loongson/ls3-cpus.dtsi
new file mode 100644
index 000000000000..5adfbbace027
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3-cpus.dtsi
@@ -0,0 +1,150 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/ {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ /*
+ * Loongson-3 may have as many as 4 nodes, each node has 4 cores.
+ * Each core has its own pcache and cores in the same node share scache.
+ * CPU 0-3 should always exist in all the systems.
+ */
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu0: cpu@0 {
+ device_type = "cpu";
+ reg = <0x0>;
+ next-level-cache = <&scache0>;
+ };
+
+ cpu1: cpu@1 {
+ device_type = "cpu";
+ reg = <0x1>;
+ next-level-cache = <&scache0>;
+ };
+
+ cpu2: cpu@2 {
+ device_type = "cpu";
+ reg = <0x2>;
+ next-level-cache = <&scache0>;
+ };
+
+ cpu3: cpu@3 {
+ device_type = "cpu";
+ reg = <0x3>;
+ next-level-cache = <&scache0>;
+ };
+
+ cpu4: cpu@4 {
+ status = "disabled";
+ device_type = "cpu";
+ reg = <0x4>;
+ next-level-cache = <&scache1>;
+ };
+
+ cpu5: cpu@5 {
+ status = "disabled";
+ device_type = "cpu";
+ reg = <0x5>;
+ next-level-cache = <&scache1>;
+ };
+
+ cpu6: cpu@6 {
+ status = "disabled";
+ device_type = "cpu";
+ reg = <0x6>;
+ next-level-cache = <&scache1>;
+ };
+
+ cpu7: cpu@7 {
+ status = "disabled";
+ device_type = "cpu";
+ reg = <0x7>;
+ next-level-cache = <&scache1>;
+ };
+
+ cpu8: cpu@8 {
+ status = "disabled";
+ device_type = "cpu";
+ reg = <0x8>;
+ next-level-cache = <&scache2>;
+ };
+
+ cpu9: cpu@9 {
+ status = "disabled";
+ device_type = "cpu";
+ reg = <0x9>;
+ next-level-cache = <&scache2>;
+ };
+
+ cpu10: cpu@a {
+ status = "disabled";
+ device_type = "cpu";
+ reg = <0xa>;
+ next-level-cache = <&scache2>;
+ };
+
+ cpu11: cpu@b {
+ status = "disabled";
+ device_type = "cpu";
+ reg = <0xb>;
+ next-level-cache = <&scache2>;
+ };
+
+ cpu12: cpu@c {
+ status = "disabled";
+ device_type = "cpu";
+ reg = <0xc>;
+ next-level-cache = <&scache3>;
+ };
+
+ cpu13: cpu@d {
+ status = "disabled";
+ device_type = "cpu";
+ reg = <0xd>;
+ next-level-cache = <&scache3>;
+ };
+
+ cpu14: cpu@e {
+ status = "disabled";
+ device_type = "cpu";
+ reg = <0xe>;
+ next-level-cache = <&scache3>;
+ };
+
+ cpu15: cpu@f {
+ status = "disabled";
+ device_type = "cpu";
+ reg = <0xf>;
+ next-level-cache = <&scache3>;
+ };
+
+ scache0: l2-cache0 {
+ compatible = "cache";
+ };
+
+ scache1: l2-cache1 {
+ status = "disabled";
+ compatible = "cache";
+ };
+
+ scache2: l2-cache2 {
+ status = "disabled";
+ compatible = "cache";
+ };
+
+ scache3: l2-cache3 {
+ status = "disabled";
+ compatible = "cache";
+ };
+ };
+
+ cpuintc: interrupt-controller {
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ compatible = "mti,cpu-interrupt-controller";
+ };
+};
diff --git a/arch/mips/boot/dts/loongson/ls3-gs464.dtsi b/arch/mips/boot/dts/loongson/ls3-gs464.dtsi
new file mode 100644
index 000000000000..54d7be042150
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3-gs464.dtsi
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+
+&cpu0 { compatible = "loongson,gs464"; };
+&cpu1 { compatible = "loongson,gs464"; };
+&cpu2 { compatible = "loongson,gs464"; };
+&cpu3 { compatible = "loongson,gs464"; };
+&cpu4 { compatible = "loongson,gs464"; };
+&cpu5 { compatible = "loongson,gs464"; };
+&cpu6 { compatible = "loongson,gs464"; };
+&cpu7 { compatible = "loongson,gs464"; };
+&cpu8 { compatible = "loongson,gs464"; };
+&cpu9 { compatible = "loongson,gs464"; };
+&cpu10 { compatible = "loongson,gs464"; };
+&cpu11 { compatible = "loongson,gs464"; };
+&cpu12 { compatible = "loongson,gs464"; };
+&cpu13 { compatible = "loongson,gs464"; };
+&cpu14 { compatible = "loongson,gs464"; };
+&cpu15 { compatible = "loongson,gs464"; };
diff --git a/arch/mips/boot/dts/loongson/ls3-gs464e.dtsi b/arch/mips/boot/dts/loongson/ls3-gs464e.dtsi
new file mode 100644
index 000000000000..c5f545ef8d94
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3-gs464e.dtsi
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0
+
+&cpu0 { compatible = "loongson,gs464e"; };
+&cpu1 { compatible = "loongson,gs464e"; };
+&cpu2 { compatible = "loongson,gs464e"; };
+&cpu3 { compatible = "loongson,gs464e"; };
+&cpu4 { compatible = "loongson,gs464e"; };
+&cpu5 { compatible = "loongson,gs464e"; };
+&cpu6 { compatible = "loongson,gs464e"; };
+&cpu7 { compatible = "loongson,gs464e"; };
+&cpu8 { compatible = "loongson,gs464e"; };
+&cpu9 { compatible = "loongson,gs464e"; };
+&cpu10 { compatible = "loongson,gs464e"; };
+&cpu11 { compatible = "loongson,gs464e"; };
+&cpu12 { compatible = "loongson,gs464e"; };
+&cpu13 { compatible = "loongson,gs464e"; };
+&cpu14 { compatible = "loongson,gs464e"; };
+&cpu15 { compatible = "loongson,gs464e"; };
diff --git a/arch/mips/boot/dts/loongson/ls3-rs780e-pch.dtsi b/arch/mips/boot/dts/loongson/ls3-rs780e-pch.dtsi
new file mode 100644
index 000000000000..4e760bf1a883
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3-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>;
+ };
+ };
+ };
+};
diff --git a/arch/mips/boot/dts/loongson/ls3a-package.dtsi b/arch/mips/boot/dts/loongson/ls3a-package.dtsi
new file mode 100644
index 000000000000..d4b7227f827d
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3a-package.dtsi
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ 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/ls3a1000_780e_1way.dts b/arch/mips/boot/dts/loongson/ls3a1000_780e_1way.dts
new file mode 100644
index 000000000000..91cc0a4a277f
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3a1000_780e_1way.dts
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "ls3-cpus.dtsi"
+#include "ls3-gs464.dtsi"
+#include "ls3a-package.dtsi"
+#include "ls3-rs780e-pch.dtsi"
+
+/ {
+ compatible = "loongson,ls3a1000-780e-1way";
+};
diff --git a/arch/mips/boot/dts/loongson/ls3a1000_780e_2way.dts b/arch/mips/boot/dts/loongson/ls3a1000_780e_2way.dts
new file mode 100644
index 000000000000..47da242797fb
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3a1000_780e_2way.dts
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "ls3-cpus.dtsi"
+#include "ls3-gs464.dtsi"
+#include "ls3a-package.dtsi"
+#include "ls3-2nodes.dtsi"
+#include "ls3-rs780e-pch.dtsi"
+
+/ {
+ compatible = "loongson,ls3a1000-780e-2way";
+};
diff --git a/arch/mips/boot/dts/loongson/ls3a1000_780e_4way.dts b/arch/mips/boot/dts/loongson/ls3a1000_780e_4way.dts
new file mode 100644
index 000000000000..1e4dfad78a64
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3a1000_780e_4way.dts
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "ls3-cpus.dtsi"
+#include "ls3-gs464.dtsi"
+#include "ls3a-package.dtsi"
+#include "ls3-4nodes.dtsi"
+#include "ls3-rs780e-pch.dtsi"
+
+/ {
+ compatible = "loongson,ls3a1000-780e-4way";
+};
diff --git a/arch/mips/boot/dts/loongson/ls3a2000_780e_1way.dts b/arch/mips/boot/dts/loongson/ls3a2000_780e_1way.dts
new file mode 100644
index 000000000000..0701a3f2925b
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3a2000_780e_1way.dts
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "ls3-cpus.dtsi"
+#include "ls3-gs464e.dtsi"
+#include "ls3a-package.dtsi"
+#include "ls3-rs780e-pch.dtsi"
+
+/ {
+ compatible = "loongson,ls3a2000-780e-1way";
+};
diff --git a/arch/mips/boot/dts/loongson/ls3a2000_780e_2way.dts b/arch/mips/boot/dts/loongson/ls3a2000_780e_2way.dts
new file mode 100644
index 000000000000..bc4cf750651a
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3a2000_780e_2way.dts
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "ls3-cpus.dtsi"
+#include "ls3-gs464e.dtsi"
+#include "ls3a-package.dtsi"
+#include "ls3-2nodes.dtsi"
+#include "ls3-rs780e-pch.dtsi"
+
+/ {
+ compatible = "loongson,ls3a2000-780e-2way";
+};
diff --git a/arch/mips/boot/dts/loongson/ls3a2000_780e_4way.dts b/arch/mips/boot/dts/loongson/ls3a2000_780e_4way.dts
new file mode 100644
index 000000000000..ba0e5321d1dd
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3a2000_780e_4way.dts
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "ls3-cpus.dtsi"
+#include "ls3-gs464e.dtsi"
+#include "ls3a-package.dtsi"
+#include "ls3-4nodes.dtsi"
+#include "ls3-rs780e-pch.dtsi"
+
+/ {
+ compatible = "loongson,ls3a2000-780e-4way";
+};
diff --git a/arch/mips/boot/dts/loongson/ls3a3000_780e_1way.dts b/arch/mips/boot/dts/loongson/ls3a3000_780e_1way.dts
new file mode 100644
index 000000000000..bb70f936a9bd
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3a3000_780e_1way.dts
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "ls3-cpus.dtsi"
+#include "ls3-gs464e.dtsi"
+#include "ls3a-package.dtsi"
+#include "ls3-rs780e-pch.dtsi"
+
+/ {
+ compatible = "loongson,ls3a3000-780e-1way";
+};
diff --git a/arch/mips/boot/dts/loongson/ls3a3000_780e_2way.dts b/arch/mips/boot/dts/loongson/ls3a3000_780e_2way.dts
new file mode 100644
index 000000000000..ce1ac9db1804
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3a3000_780e_2way.dts
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "ls3-cpus.dtsi"
+#include "ls3-gs464e.dtsi"
+#include "ls3a-package.dtsi"
+#include "ls3-2nodes.dtsi"
+#include "ls3-rs780e-pch.dtsi"
+
+/ {
+ compatible = "loongson,ls3a3000-780e-2way";
+};
diff --git a/arch/mips/boot/dts/loongson/ls3a3000_780e_4way.dts b/arch/mips/boot/dts/loongson/ls3a3000_780e_4way.dts
new file mode 100644
index 000000000000..990c150f1d92
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3a3000_780e_4way.dts
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "ls3-cpus.dtsi"
+#include "ls3-gs464e.dtsi"
+#include "ls3a-package.dtsi"
+#include "ls3-4nodes.dtsi"
+#include "ls3-rs780e-pch.dtsi"
+
+/ {
+ compatible = "loongson,ls3a3000-780e-4way";
+};
diff --git a/arch/mips/boot/dts/loongson/ls3b-package.dtsi b/arch/mips/boot/dts/loongson/ls3b-package.dtsi
new file mode 100644
index 000000000000..cceca27aa0d9
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3b-package.dtsi
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ 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/ls3b_780e_1way.dts b/arch/mips/boot/dts/loongson/ls3b_780e_1way.dts
new file mode 100644
index 000000000000..e1f82ccca26f
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3b_780e_1way.dts
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "ls3-cpus.dtsi"
+#include "ls3-gs464.dtsi"
+#include "ls3b-package.dtsi"
+#include "ls3-2nodes.dtsi" /* Yes, ls3b have 2 nodes per way */
+#include "ls3-rs780e-pch.dtsi"
+
+/ {
+ compatible = "loongson,ls3b-780e-1way";
+};
diff --git a/arch/mips/boot/dts/loongson/ls3b_780e_2way.dts b/arch/mips/boot/dts/loongson/ls3b_780e_2way.dts
new file mode 100644
index 000000000000..9b21554cd521
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/ls3b_780e_2way.dts
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/dts-v1/;
+
+#include "ls3-cpus.dtsi"
+#include "ls3-gs464.dtsi"
+#include "ls3b-package.dtsi"
+#include "ls3-4nodes.dtsi" /* Yes, ls3b have 2 nodes per way */
+#include "ls3-rs780e-pch.dtsi"
+
+/ {
+ compatible = "loongson,ls3b-780e-2way";
+};
--
2.22.0
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