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/Linux-v6.6/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 - $ref: /schemas/interrupt-controller.yaml#
16 This interrupt controller is found in the Loongson-3 family of chips to transmit
21 const: loongson,htpic-1.0
32 interrupt-controller: true
[all …]
/Linux-v6.6/Documentation/arch/loongarch/
Dirq-chip-model.rst1 .. SPDX-License-Identifier: GPL-2.0
7 Currently, LoongArch based processors (e.g. Loongson-3A5000) can only work together
10 I/O Interrupt Controller), HTVECINTC (Hyper-Transport Vector Interrupt Controller),
11 PCH-PIC (Main Interrupt Controller in LS7A chipset), PCH-LPC (LPC Interrupt Controller
12 in LS7A chipset) and PCH-MSI (MSI Interrupt Controller).
14 CPUINTC is a per-core controller (in CPU), LIOINTC/EIOINTC/HTVECINTC are per-package
15 controllers (in CPU), while PCH-PIC/PCH-LPC/PCH-MSI are controllers out of CPU (i.e.,
22 In this model, IPI (Inter-Processor Interrupt) and CPU Local Timer interrupt go
24 interrupts go to PCH-PIC/PCH-LPC/PCH-MSI and gathered by HTVECINTC, and then go
27 +-----+ +---------+ +-------+
[all …]
Dintroduction.rst1 .. SPDX-License-Identifier: GPL-2.0
7 LoongArch is a new RISC ISA, which is a bit like MIPS or RISC-V. There are
8 currently 3 variants: a reduced 32-bit version (LA32R), a standard 32-bit
9 version (LA32S) and a 64-bit version (LA64). There are 4 privilege levels
22 ----
24 LoongArch has 32 GPRs ( ``$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
[all …]
/Linux-v6.6/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.
/Linux-v6.6/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 …]
/Linux-v6.6/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
Dloongson.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
20 /* machine-specific boot configuration */
40 /* machine-specific reboot/halt operation */
49 /* loongson-specific command line, env and memory initialization */
77 #define LOONGSON_FLASH_TOP (LOONGSON_FLASH_BASE+LOONGSON_FLASH_SIZE-1)
81 #define LOONGSON_LIO0_TOP (LOONGSON_LIO0_BASE+LOONGSON_LIO0_SIZE-1)
85 #define LOONGSON_BOOT_TOP (LOONGSON_BOOT_BASE+LOONGSON_BOOT_SIZE-1)
88 #define LOONGSON_REG_TOP (LOONGSON_REG_BASE+LOONGSON_REG_SIZE-1)
89 /* Loongson-3 specific registers */
92 #define LOONGSON3_REG_TOP (LOONGSON3_REG_BASE+LOONGSON3_REG_SIZE-1)
[all …]
/Linux-v6.6/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 …]
Dintroduction.rst1 .. SPDX-License-Identifier: GPL-2.0
3 .. include:: ../../disclaimer-zh_CN.rst
6 :Translator: Huacai Chen <chenhuacai@loongson.cn>
12 LoongArch是一种新的RISC ISA，在一定程度上类似于MIPS和RISC-V。LoongArch指令集
25 ----------
32 :ref:`参考文献 <loongarch-references-zh_CN>`:
41 ``$r4``-``$r11`` ``$a0``-``$a7`` 参数寄存器 否
42 ``$r4``-``$r5`` ``$v0``-``$v1`` 返回值 否
43 ``$r12``-``$r20`` ``$t0``-``$t8`` 临时寄存器 否
46 ``$r23``-``$r31`` ``$s0``-``$s8`` 静态寄存器 是
[all …]
/Linux-v6.6/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 …]
/Linux-v6.6/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 …]
/Linux-v6.6/arch/mips/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
135 bool "Generic board-agnostic MIPS kernel"
224 Support for the Texas Instruments AR7 System-on-a-Chip
298 Build a generic DT-based kernel image that boots on select
299 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
391 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
392 DECstation porting pages on <http://decstation.unix-ag.org/>.
432 Olivetti M700-10 workstations.
468 bool "Loongson 32-bit family of machines"
471 This enables support for the Loongson-1 family of machines.
[all …]
/Linux-v6.6/drivers/gpio/
Dgpio-loongson.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Loongson-2F/3A/3B GPIO Support
6 * Copyright (c) 2008-2010 Arnaud Patard <apatard@mandriva.com>
20 #include <loongson.h>
97 struct device *dev = &pdev->dev; in loongson_gpio_probe()
101 return -ENOMEM; in loongson_gpio_probe()
103 gc->label = "loongson-gpio-chip"; in loongson_gpio_probe()
104 gc->base = 0; in loongson_gpio_probe()
105 gc->ngpio = LOONGSON_N_GPIO; in loongson_gpio_probe()
106 gc->get = loongson_gpio_get_value; in loongson_gpio_probe()
[all …]
/Linux-v6.6/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 …]
/Linux-v6.6/arch/loongarch/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
212 # MIPS Loongson code, to preserve Loongson-specific code paths in drivers that
244 default 3 if PGTABLE_3LEVEL
252 def_bool $(as-instr,x:pcalau12i \$t0$(comma)%pc_hi20(x))
255 def_bool $(as-instr,movfcsr2gr \$t0$(comma)\$fcsr0)
258 def_bool $(as-instr,vld \$vr0$(comma)\$a0$(comma)0)
261 def_bool $(as-instr,xvld \$xr0$(comma)\$a0$(comma)0)
264 def_bool $(as-instr,movscr2gr \$a0$(comma)\$scr0)
280 bool "4KB with 3 levels"
284 This option selects 4KB page size with 3 level page tables, which
[all …]
/Linux-v6.6/arch/loongarch/include/asm/
Dcpu.h1 /* SPDX-License-Identifier: GPL-2.0 */
6 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
12 * As described in LoongArch specs from Loongson Technology, the PRID register
15 * +---------------+----------------+------------+--------------------+
17 * +---------------+----------------+------------+--------------------+
37 #define PRID_SERIES_LA132 0x8000 /* Loongson 32bit */
38 #define PRID_SERIES_LA264 0xa000 /* Loongson 64bit, 2-issue */
39 #define PRID_SERIES_LA364 0xb000 /* Loongson 64bit, 3-issue */
40 #define PRID_SERIES_LA464 0xc000 /* Loongson 64bit, 4-issue */
41 #define PRID_SERIES_LA664 0xd000 /* Loongson 64bit, 6-issue */
[all …]
/Linux-v6.6/tools/perf/arch/loongarch/entry/syscalls/
Dmksyscalltbl2 # SPDX-License-Identifier: GPL-2.0
7 # Author(s): Ming Wang <wangming01@loongson.cn>
8 # Author(s): Huacai Chen <chenhuacai@loongson.cn>
9 # Copyright (C) 2020-2023 Loongson Technology Corporation Limited
13 incpath=$3
16 if ! test -r $input; then
41 $gcc -E -dM -x c -I $incpath/include/uapi $input \
42 |awk '$2 ~ "__NR" && $3 !~ "__NR3264_" {
44 print | "sort -k2 -n"}' \
/Linux-v6.6/sound/soc/loongson/
Dloongson_i2s.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * ALSA I2S interface for the Loongson platform
5 * Copyright (C) 2023 Loongson Technology Corporation Limited
6 * Author: Yingkun Meng <mengyingkun@loongson.cn>
29 /* Loongson I2S Control Register */
39 #define I2S_CTRL_MCLK_EN (1 << 3) /* Enable MCLK */
43 #define LS_I2S_DRVNAME "loongson-i2s"
/Linux-v6.6/arch/mips/include/asm/
Dcpu.h1 /* SPDX-License-Identifier: GPL-2.0 */
18 +----------------+----------------+----------------+----------------+
20 +----------------+----------------+----------------+----------------+
24 that bits 16-23 have been 0 for all MIPS processors before the MIPS32/64
92 #define PRID_IMP_LOONGSON_32 0x4200 /* Loongson-1 */
95 #define PRID_IMP_LOONGSON_64R 0x6100 /* Reduced Loongson-2 */
96 #define PRID_IMP_LOONGSON_64C 0x6300 /* Classic Loongson-2 and Loongson-3 */
97 #define PRID_IMP_LOONGSON_64G 0xc000 /* Generic Loongson-2 and Loongson-3 */
252 #define PRID_REV_LOONGSON1C 0x0020 /* Same as Loongson-1B */
269 * 4-bit bitfields, the 4K seems to simply count up and even newer MTI cores
[all …]
/Linux-v6.6/arch/loongarch/power/
Dsuspend_asm.S1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Sleep helper for Loongson-3 sleep mode.
5 * Author: Huacai Chen <chenhuacai@loongson.cn>
6 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
17 addi.d sp, sp, -PT_SIZE
59 /* Sleep/wakeup code for Loongson-3 */
/Linux-v6.6/arch/loongarch/kernel/
Dcpu-probe.c1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
16 #include <asm/cpu-features.h>
20 #include <asm/pgtable-bits.h>
34 fcsr = c->fpu_csr0; in cpu_set_fpu_fcsr_mask()
52 c->fpu_mask = ~(fcsr0 ^ fcsr1) & ~mask; in cpu_set_fpu_fcsr_mask()
68 c->pabits = (read_cpucfg(LOONGARCH_CPUCFG1) & CPUCFG1_PABITS) >> 4; in cpu_probe_addrbits()
69 c->vabits = (read_cpucfg(LOONGARCH_CPUCFG1) & CPUCFG1_VABITS) >> 12; in cpu_probe_addrbits()
70 vm_map_base = 0UL - (1UL << c->vabits); in cpu_probe_addrbits()
78 c->isa_level |= LOONGARCH_CPU_ISA_LA64; in set_isa()
[all …]
/Linux-v6.6/drivers/platform/loongarch/
Dloongson-laptop.c1 // SPDX-License-Identifier: GPL-2.0
3 * Generic Loongson processor based LAPTOP/ALL-IN-ONE driver
5 * Jianmin Lv <lvjianmin@loongson.cn>
6 * Huacai Chen <chenhuacai@loongson.cn>
8 * Copyright (C) 2022 Loongson Technology Corporation Limited
20 #include <linux/input/sparse-keymap.h>
26 /* 1. Driver-wide structs and misc. variables */
32 #define ACPI_LAPTOP_NAME "loongson-laptop"
33 #define ACPI_LAPTOP_ACPI_EVENT_PREFIX "loongson"
35 #define MAX_ACPI_ARGS 3
[all …]

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