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/kernel/linux/linux-6.6/Documentation/devicetree/bindings/interrupt-controller/
Dloongson,liointc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/loongson,liointc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Loongson Local I/O Interrupt Controller
10 - Jiaxun Yang <jiaxun.yang@flygoat.com>
13 This interrupt controller is found in the Loongson-3 family of chips and
14 Loongson-2K1000 chip, as the primary package interrupt controller which
18 - $ref: /schemas/interrupt-controller.yaml#
23 - loongson,liointc-1.0
[all …]
Dloongson,eiointc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/loongson,eiointc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Loongson Extended I/O Interrupt Controller
10 - Binbin Zhou <zhoubinbin@loongson.cn>
13 This interrupt controller is found on the Loongson-3 family chips and
14 Loongson-2K series chips and is used to distribute interrupts directly to
18 - $ref: /schemas/interrupt-controller.yaml#
23 - loongson,ls2k0500-eiointc
[all …]
Dloongson,htvec.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/loongson,htvec.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Loongson-3 HyperTransport Interrupt Vector Controller
10 - Jiaxun Yang <jiaxun.yang@flygoat.com>
13 This interrupt controller is found in the Loongson-3 family of chips for
18 const: loongson,htvec-1.0
28 interrupt-controller: true
30 '#interrupt-cells':
[all …]
Dloongson,htpic.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/loongson,htpic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Loongson-3 HyperTransport Interrupt Controller
10 - Jiaxun Yang <jiaxun.yang@flygoat.com>
13 - $ref: /schemas/interrupt-controller.yaml#
16 This interrupt controller is found in the Loongson-3 family of chips to transmit
21 const: loongson,htpic-1.0
32 interrupt-controller: true
[all …]
/kernel/linux/linux-6.6/Documentation/arch/loongarch/
Dirq-chip-model.rst1 .. SPDX-License-Identifier: GPL-2.0
7 Currently, LoongArch based processors (e.g. Loongson-3A5000) can only work together
10 I/O Interrupt Controller), HTVECINTC (Hyper-Transport Vector Interrupt Controller),
11 PCH-PIC (Main Interrupt Controller in LS7A chipset), PCH-LPC (LPC Interrupt Controller
12 in LS7A chipset) and PCH-MSI (MSI Interrupt Controller).
14 CPUINTC is a per-core controller (in CPU), LIOINTC/EIOINTC/HTVECINTC are per-package
15 controllers (in CPU), while PCH-PIC/PCH-LPC/PCH-MSI are controllers out of CPU (i.e.,
22 In this model, IPI (Inter-Processor Interrupt) and CPU Local Timer interrupt go
24 interrupts go to PCH-PIC/PCH-LPC/PCH-MSI and gathered by HTVECINTC, and then go
27 +-----+ +---------+ +-------+
[all …]
Dintroduction.rst1 .. SPDX-License-Identifier: GPL-2.0
7 LoongArch is a new RISC ISA, which is a bit like MIPS or RISC-V. There are
8 currently 3 variants: a reduced 32-bit version (LA32R), a standard 32-bit
9 version (LA32S) and a 64-bit version (LA64). There are 4 privilege levels
22 ----
24 LoongArch has 32 GPRs ( ``$r0`` ~ ``$r31`` ); each one is 32-bit wide in LA32
25 and 64-bit wide in LA64. ``$r0`` is hard-wired to zero, and the other registers
26 are not architecturally special. (Except ``$r1``, which is hard-wired as the
30 the LoongArch ELF psABI spec, in :ref:`References <loongarch-references>`:
40 ``$r4``-``$r11`` ``$a0``-``$a7`` Argument registers No
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/interrupt-controller/
Dloongson,liointc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: "http://devicetree.org/schemas/interrupt-controller/loongson,liointc.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7 title: Loongson Local I/O Interrupt Controller
10 - Jiaxun Yang <jiaxun.yang@flygoat.com>
13 This interrupt controller is found in the Loongson-3 family of chips as the primary
18 - $ref: /schemas/interrupt-controller.yaml#
23 - const: loongson,liointc-1.0
24 - const: loongson,liointc-1.0a
[all …]
Dloongson,htvec.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: "http://devicetree.org/schemas/interrupt-controller/loongson,htvec.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7 title: Loongson-3 HyperTransport Interrupt Vector Controller
10 - Jiaxun Yang <jiaxun.yang@flygoat.com>
13 This interrupt controller is found in the Loongson-3 family of chips for
18 const: loongson,htvec-1.0
28 interrupt-controller: true
30 '#interrupt-cells':
[all …]
Dloongson,htpic.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: "http://devicetree.org/schemas/interrupt-controller/loongson,htpic.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7 title: Loongson-3 HyperTransport Interrupt Controller
10 - Jiaxun Yang <jiaxun.yang@flygoat.com>
13 - $ref: /schemas/interrupt-controller.yaml#
16 This interrupt controller is found in the Loongson-3 family of chips to transmit
21 const: loongson,htpic-1.0
32 interrupt-controller: true
[all …]
/kernel/linux/linux-6.6/drivers/platform/mips/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
12 MIPS platforms, including vendor-specific netbook/laptop/desktop
21 bool "Loongson-3 CPU HWMon Driver"
26 Loongson-3A/3B CPU Hwmon (temperature sensor) driver.
29 bool "Loongson RS780E ACPI Controller"
32 Loongson RS780E PCH ACPI Controller driver.
35 bool "Loongson-2K1000 Reset Controller"
38 Loongson-2K1000 Reset Controller driver.
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/pci/
Dloongson.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/loongson.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Loongson PCI Host Controller
10 - Jiaxun Yang <jiaxun.yang@flygoat.com>
13 PCI host controller found on Loongson PCHs and SoCs.
16 - $ref: /schemas/pci/pci-bus.yaml#
21 - const: loongson,ls2k-pci
22 - const: loongson,ls7a-pci
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/pci/
Dloongson.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/loongson.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Loongson PCI Host Controller
10 - Jiaxun Yang <jiaxun.yang@flygoat.com>
13 PCI host controller found on Loongson PCHs and SoCs.
16 - $ref: /schemas/pci/pci-bus.yaml#
21 - loongson,ls2k-pci
22 - loongson,ls7a-pci
[all …]
/kernel/linux/linux-5.10/arch/loongarch/boot/dts/loongson/
Dloongson3.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 * Loongson-3 may have as many as 4 nodes, each node has 4 cores.
8 #address-cells = <1>;
9 #size-cells = <0>;
12 compatible = "loongson,loongson3";
15 l2-cache = <&vcache0>;
16 next-level-cache = <&scache0>;
20 compatible = "loongson,loongson3";
23 l2-cache = <&vcache1>;
24 next-level-cache = <&scache0>;
[all …]
Dloongson3_ls7a.dts1 /dts-v1/;
4 model = "loongson,generic";
5 compatible = "loongson,loongson3";
6 #address-cells = <2>;
7 #size-cells = <2>;
14 cpuic: interrupt-controller {
15 compatible = "loongson,cpu-interrupt-controller";
16 interrupt-controller;
17 #interrupt-cells = <1>;
20 platic: interrupt-controller@1bd00040 {
[all …]
/kernel/linux/linux-6.6/arch/mips/include/asm/mach-loongson64/
Dkernel-entry-init.h7 * Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
28 /* Loongson-3A R4+ */
33 /* Loongson-3A R2/R3 */
59 /* Loongson-3A R4+ */
64 /* Loongson-3A R2/R3 */
91 b 2f /* Loongson-3A1000/3A2000/3A3000/3A4000 */
92 1: dins a0, t2, 14, 2 /* Loongson-3B1000/3B1500 need bit 15~14 */
94 3: addiu t9, -1 /* limit mailbox access */
95 bnez t9, 3b
/kernel/linux/linux-5.10/drivers/platform/loongarch/
DKconfig11 LoongArch platforms, including vendor-specific laptop/desktop
20 bool "Loongson CPU HWMon Driver"
25 Loongson-3A/3B/3C CPU Hwmon (temperature sensor) driver.
28 tristate "Generic Loongson-3A Laptop Driver"
36 ACPI-based Loongson-3 family laptops generic driver.
/kernel/linux/linux-6.6/Documentation/translations/zh_CN/arch/loongarch/
Dirq-chip-model.rst1 .. SPDX-License-Identifier: GPL-2.0
3 .. include:: ../../disclaimer-zh_CN.rst
5 :Original: Documentation/arch/loongarch/irq-chip-model.rst
6 :Translator: Huacai Chen <chenhuacai@loongson.cn>
15 HTVECINTC(Hyper-Transport Vector Interrupt Controller)、PCH-PIC(LS7A芯片组的主中
16 断控制器)、PCH-LPC(LS7A芯片组的LPC中断控制器)和PCH-MSI(MSI中断控制器)。
19 全局中断控制器(每个芯片一个,所有核共享),而PCH-PIC/PCH-LPC/PCH-MSI是CPU外部的中
26 在这种模型里面,IPI(Inter-Processor Interrupt)和CPU本地时钟中断直接发送到CPUINTC,
27 CPU串口(UARTs)中断发送到LIOINTC,而其他所有设备的中断则分别发送到所连接的PCH-PIC/
28 PCH-LPC/PCH-MSI,然后被HTVECINTC统一收集,再发送到LIOINTC,最后到达CPUINTC::
[all …]
/kernel/linux/linux-5.10/drivers/platform/mips/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
11 MIPS platforms, including vendor-specific netbook/laptop/desktop
20 bool "Loongson-3 CPU HWMon Driver"
25 Loongson-3A/3B CPU Hwmon (temperature sensor) driver.
28 bool "Loongson RS780E ACPI Controller"
31 Loongson RS780E PCH ACPI Controller driver.
/kernel/linux/linux-6.6/arch/mips/boot/dts/loongson/
Dloongson64-2k1000.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 /dts-v1/;
5 #include <dt-bindings/interrupt-controller/irq.h>
8 compatible = "loongson,loongson2k1000";
10 #address-cells = <2>;
11 #size-cells = <2>;
14 #address-cells = <1>;
15 #size-cells = <0>;
19 compatible = "loongson,gs264";
21 #clock-cells = <1>;
[all …]
/kernel/linux/linux-5.10/drivers/irqchip/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
216 bool "J-Core integrated AIC" if COMPILE_TEST
220 Support for the J-Core integrated AIC.
231 interrupt pins, as found on SH/R-Mobile and R-Car Gen1 SoCs.
234 bool "Renesas R-Mobile APE6, R-Car Gen{2,3} and RZ/G{1,2} IRQC support" if COMPILE_TEST
239 devices, as found on R-Mobile APE6, R-Car Gen{2,3} and RZ/G{1,2} SoCs.
274 tristate "TS-4800 IRQ controller"
279 Support for the TS-4800 FPGA IRQ controller
444 bool "C-SKY Multi Processor Interrupt Controller"
447 Say yes here to enable C-SKY SMP interrupt controller driver used
[all …]
/kernel/linux/linux-6.6/drivers/irqchip/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
121 tristate "Broadcom STB 7038-style L1/L2 interrupt controller driver"
129 tristate "Broadcom STB 7120-style L2 interrupt controller driver"
211 bool "J-Core integrated AIC" if COMPILE_TEST
215 Support for the J-Core integrated AIC.
226 interrupt pins, as found on SH/R-Mobile and R-Car Gen1 SoCs.
229 bool "Renesas R-Mobile APE6, R-Car Gen{2,3} and RZ/G{1,2} IRQC support" if COMPILE_TEST
234 devices, as found on R-Mobile APE6, R-Car Gen{2,3} and RZ/G{1,2} SoCs.
284 tristate "TS-4800 IRQ controller"
289 Support for the TS-4800 FPGA IRQ controller
[all …]
/kernel/linux/linux-5.10/arch/loongarch/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
149 bool "Loongson 64-bit family of machines"
170 This enables the support of Loongson 64-bit family of machines. These
171 machines are based on new Loongson-3 processors (Old Loongson is MIPS
172 compatible, while new Loongson is based on LoongArch ISA).
191 def_bool $(as-instr,x:pcalau12i \$t0$(comma)%pc_hi20(x))
221 bool "Loongson 64-bit CPU"
232 The Loongson 64-bit processor implements the LoongArch64 (the 64-bit
270 actually benefits from 64-bit processing or if your machine has
272 menu if your system does not support both 32-bit and 64-bit kernels.
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/mips/loongson/
Drs780e-acpi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: "http://devicetree.org/schemas/mips/loongson/rs780e-acpi.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7 title: Loongson RS780E PCH ACPI Controller
10 - Jiaxun Yang <jiaxun.yang@flygoat.com>
13 This controller can be found in Loongson-3 systems with RS780E PCH.
17 const: loongson,rs780e-acpi
23 - compatible
24 - reg
[all …]
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/mips/loongson/
Drs780e-acpi.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mips/loongson/rs780e-acpi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Loongson RS780E PCH ACPI Controller
10 - Jiaxun Yang <jiaxun.yang@flygoat.com>
13 This controller can be found in Loongson-3 systems with RS780E PCH.
17 const: loongson,rs780e-acpi
23 - compatible
24 - reg
[all …]
/kernel/linux/linux-6.6/arch/loongarch/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
215 # MIPS Loongson code, to preserve Loongson-specific code paths in drivers that
247 default 3 if PGTABLE_3LEVEL
255 def_bool $(as-instr,x:pcalau12i \$t0$(comma)%pc_hi20(x))
258 def_bool $(as-instr,movfcsr2gr \$t0$(comma)\$fcsr0)
261 def_bool $(as-instr,vld \$vr0$(comma)\$a0$(comma)0)
264 def_bool $(as-instr,xvld \$xr0$(comma)\$a0$(comma)0)
267 def_bool $(as-instr,movscr2gr \$a0$(comma)\$scr0)
283 bool "4KB with 3 levels"
287 This option selects 4KB page size with 3 level page tables, which
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