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/Linux-v6.6/Documentation/devicetree/bindings/interrupt-controller/
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 …]
/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/gpu/drm/loongson/
Dlsdc_probe.c1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2023 Loongson Technology Corporation Limited
19 #define LOONGSON_CPU_MIPS_IMP_LS2K 0x61 /* Loongson 2K Mips series SoC */
29 * We can achieve fine-grained control with the information about the host.
/Linux-v6.6/Documentation/translations/zh_CN/virt/
Dguest-halt-polling.rst1 .. include:: ../disclaimer-zh_CN.rst
3 :Original: Documentation/virt/guest-halt-polling.rst
7 司延腾 Yanteng Si <siyanteng@loongson.cn>
13 .. _cn_virt_guest-halt-polling:
27 2) 可以避免虚拟机退出的成本。
34 每个vcpu都有一个可调整的guest_halt_poll_ns（"per-cpu guest_halt_poll_ns"），
48 2) guest_halt_poll_shrink:
53 默认值: 2
57 当事件发生在per-cpu guest_halt_poll_ns之后但在global guest_halt_poll_ns之前，
58 用于增长per-cpu guest_halt_poll_ns的乘法系数。
[all …]
/Linux-v6.6/arch/mips/include/asm/mach-loongson64/
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/drivers/irqchip/
Dirq-loongson-liointc.c1 // SPDX-License-Identifier: GPL-2.0
4 * Loongson Local IO Interrupt Controller support
20 #include <loongson.h>
22 #include <asm/loongson.h>
36 * LIOINTC_REG_INTC_POL register is only valid for Loongson-2K series, and
37 * Loongson-3 series behave as noops.
73 struct irq_chip_generic *gc = handler->priv->gc; in liointc_chained_handle_irq()
79 pending = readl(handler->priv->core_isr[core]); in liointc_chained_handle_irq()
83 if (handler->priv->has_lpc_irq_errata && in liointc_chained_handle_irq()
84 (handler->parent_int_map & gc->mask_cache & in liointc_chained_handle_irq()
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/Linux-v6.6/drivers/rtc/
Drtc-loongson.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Loongson RTC driver
5 * Maintained out-of-tree by Huacai Chen <chenhuacai@kernel.org>.
7 * Binbin Zhou <zhoubinbin@loongson.cn>
20 #define TOY_WRITE0_REG 0x24 /* TOY low 32-bits value (write-only) */
21 #define TOY_WRITE1_REG 0x28 /* TOY high 32-bits value (write-only) */
22 #define TOY_READ0_REG 0x2c /* TOY low 32-bits value (read-only) */
23 #define TOY_READ1_REG 0x30 /* TOY high 32-bits value (read-only) */
26 #define TOY_MATCH2_REG 0x3c /* TOY timing interrupt 2 */
31 #define RTC_WRITE0_REG 0x64 /* RTC counters value (write-only) */
[all …]
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
44 This clock should be battery-backed, so that it reads the correct
45 time when the system boots from a power-off state. Otherwise, your
141 once-per-second update interrupts, used for synchronization.
159 will be called rtc-test.
173 will be called rtc-88pm860x.
183 will be called rtc-88pm80x.
187 tristate "Abracon AB-RTCMC-32.768kHz-B5ZE-S3"
190 AB-RTCMC-32.768kHz-B5ZE-S3 I2C RTC chip.
193 will be called rtc-ab-b5ze-s3.
[all …]
/Linux-v6.6/drivers/i2c/busses/
Di2c-ls2x.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Loongson-2K/Loongson LS7A I2C master mode driver
5 * Copyright (C) 2013 Loongson Technology Corporation Limited.
6 * Copyright (C) 2014-2017 Lemote, Inc.
7 * Copyright (C) 2018-2022 Loongson Technology Corporation Limited.
10 * Rewritten for mainline by Binbin Zhou <zhoubinbin@loongson.cn>
79 if (!(readb(priv->base + I2C_LS2X_SR) & LS2X_SR_IF)) in ls2x_i2c_isr()
82 writeb(LS2X_CR_IACK, priv->base + I2C_LS2X_CR); in ls2x_i2c_isr()
83 complete(&priv->cmd_complete); in ls2x_i2c_isr()
96 struct i2c_timings *t = &priv->i2c_t; in ls2x_i2c_adjust_bus_speed()
[all …]
/Linux-v6.6/arch/mips/include/asm/mach-loongson2ef/
Dloongson.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
14 /* loongson internal northbridge initialization */
17 /* machine-specific reboot/halt operation */
25 /* loongson-specific command line, env and memory initialization */
62 #define LOONGSON_FLASH_TOP (LOONGSON_FLASH_BASE+LOONGSON_FLASH_SIZE-1)
66 #define LOONGSON_LIO0_TOP (LOONGSON_LIO0_BASE+LOONGSON_LIO0_SIZE-1)
70 #define LOONGSON_BOOT_TOP (LOONGSON_BOOT_BASE+LOONGSON_BOOT_SIZE-1)
73 #define LOONGSON_REG_TOP (LOONGSON_REG_BASE+LOONGSON_REG_SIZE-1)
77 #define LOONGSON_LIO1_TOP (LOONGSON_LIO1_BASE+LOONGSON_LIO1_SIZE-1)
84 #define LOONGSON_PCILO_TOP (LOONGSON_PCILO0_BASE+LOONGSON_PCILO_SIZE-1)
[all …]
/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 */
191 #define PRID_IMP_XBURST2 0x2000 /* XBurst®2 with MXU2.1 SIMD ISA */
252 #define PRID_REV_LOONGSON1C 0x0020 /* Same as Loongson-1B */
[all …]
/Linux-v6.6/arch/loongarch/include/asm/
Daddrspace.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
40 #define TO_PHYS_MASK ((1ULL << DMW_PABITS) - 1)
81 * 32/64-bit LoongArch address spaces
116 * |-----------------------|
117 * | pci io ports(16K~32M) |
118 * |-----------------------|
119 * | isa io ports(0 ~16K) |
120 * PCI_IOBASE ->|-----------------------|
123 #define PCI_IOBASE ((void __iomem *)(vm_map_base + (2 * PAGE_SIZE)))
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/Linux-v6.6/Documentation/translations/zh_CN/core-api/
Dprintk-formats.rst1 .. include:: ../disclaimer-zh_CN.rst
3 :Original: Documentation/core-api/printk-formats.rst
7 司延腾 Yanteng Si <siyanteng@loongson.cn>
8 周彬彬 Binbin Zhou <zhoubinbin@loongson.cn>
10 .. _cn_printk-formats.rst:
19 :作者: Andrew Murray <amurray@mpc-data.co.uk>
28 -------------------------------------------
80 ----------
101 --------
105 %pe -ENOSPC
[all …]
Dcpu_hotplug.rst1 .. include:: ../disclaimer-zh_CN.rst
3 :Original: Documentation/core-api/cpu_hotplug.rst
6 司延腾 Yanteng Si <siyanteng@loongson.cn>
7 周彬彬 Binbin Zhou <zhoubinbin@loongson.cn>
45 限制启动时的CPU为 *n* 个。例如，如果你有四个CPU，使用 ``maxcpus=2`` 将只能启
85 hot-add/hot-remove。目前还没有定死规定。典型的用法是在启动时启动拓扑结构，这时
101 $ ls -lh /sys/devices/system/cpu
103 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu0
104 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu1
105 drwxr-xr-x 9 root root 0 Dec 21 16:33 cpu2
[all …]
/Linux-v6.6/include/linux/
Dpci-ecam.h1 /* SPDX-License-Identifier: GPL-2.0 */
13 * Memory address shift values for the byte-level address that
21 * Section 7.2.2, Table 7-1, p. 677.
28 #define PCIE_ECAM_REG_MASK 0xfff /* Limit offset to a maximum of 4K */
62 void __iomem *win; /* 64-bit single mapping */
63 void __iomem **winp; /* 32-bit per-bus mapping */
74 /* map_bus when ->sysdata is an instance of pci_config_window */
81 extern const struct pci_ecam_ops pci_32b_ops; /* 32-bit accesses only */
82 extern const struct pci_ecam_ops pci_32b_read_ops; /* 32-bit read only */
84 extern const struct pci_ecam_ops thunder_pem_ecam_ops; /* Cavium ThunderX 1.x & 2.x */
[all …]
/Linux-v6.6/drivers/clk/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
37 tristate "Clock driver for WM831x/2x PMICs"
40 Supports the clocking subsystem of the WM831x/2x series of
59 Low-Noise JESD204B Compliant Clock Jitter Cleaner With Dual Loop PLLs
88 These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each.
98 multi-function device has one fixed-rate oscillator, clocked
129 be pre-programmed to support other configurations and features not yet
178 This driver supports TI CDCE706 programmable 3-PLL clock synthesizer.
196 For example, the CDCE925 contains two PLLs with spread-spectrum
206 tristate "Clock driver for CS2000 Fractional-N Clock Synthesizer & Clock Multiplier"
[all …]
/Linux-v6.6/drivers/thermal/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
37 int "Emergency poweroff delay in milli-seconds"
144 bool "Fair-share thermal governor"
146 Enable this to manage platform thermals using fair-share governor.
240 memory-mapped reads to get the temperature. Any HW/System that
241 allows temperature reading by a single memory-mapped reading, be it
295 - AM654
341 module will be called sun8i-thermal.
350 ADC (TS-ADC) found on Rockchip SoCs. It supports one critical
355 tristate "Renesas R-Car thermal driver"
[all …]
/Linux-v6.6/arch/loongarch/mm/
Dinit.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
28 #include <asm/asm-offsets.h>
154 #if CONFIG_PGTABLE_LEVELS == 2 in vmemmap_populate()
232 * Align swapper_pg_dir in to 64K, allows its address to be loaded
234 * __aligned(64K), its size would get rounded up to the alignment
/Linux-v6.6/arch/mips/kernel/
Dcpu-probe.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * Copyright (C) 1994 - 2006 Ralf Baechle
19 #include <asm/cpu-features.h>
20 #include <asm/cpu-type.h>
27 #include <asm/pgtable-bits.h>
32 #include "fpu-probe.h"
34 #include <asm/mach-loongson64/cpucfg-emul.h>
131 cpu_data[0].tlbsize -= cpu_data[0].tlbsizeftlbways * in ftlb_disable()
147 c->options |= MIPS_CPU_MT_PER_TC_PERF_COUNTERS; in cpu_set_mt_per_tc_perf()
161 if ((c->processor_id & PRID_REV_MASK) <= PRID_REV_34K_V1_0_2) in check_errata()
[all …]
Dperf_event_mipsxx.c1 // SPDX-License-Identifier: GPL-2.0-only
7 * Author: Deng-Cheng Zhu
28 #define MIPS_TCS_PER_COUNTER 2
29 #define MIPS_CPUID_TO_COUNTER_MASK (MIPS_TCS_PER_COUNTER - 1)
67 P = 2,
122 #define CNTR_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
159 /* 0: Not Loongson-3
160 * 1: Loongson-3A1000/3B1000/3B1500
161 * 2: Loongson-3A2000/3A3000
162 * 3: Loongson-3A4000+
[all …]
/Linux-v6.6/arch/mips/pci/
Dfixup-fuloong2e.c1 // SPDX-License-Identifier: GPL-2.0-or-later
13 #include <loongson.h>
23 switch (PCI_FUNC(dev->devfn)) { in pcibios_map_irq()
24 case 2: in pcibios_map_irq()
51 /* Configures port 1, 2, 3, 4 to be validate*/ in loongson2e_nec_fixup()
55 /* System clock is 48-MHz Oscillator. */ in loongson2e_nec_fixup()
63 sb_slot = PCI_SLOT(pdev->devfn); in loongson2e_686b_func0_fixup()
84 * enable time-out timer in loongson2e_686b_func0_fixup()
94 /* 512 K PCI Decode */ in loongson2e_686b_func0_fixup()
103 * Parallel DRQ 3, Floppy DRQ 2 (default) in loongson2e_686b_func0_fixup()
[all …]
/Linux-v6.6/Documentation/translations/zh_CN/admin-guide/
Dsysrq.rst1 .. include:: ../disclaimer-zh_CN.rst
3 :Original: Documentation/admin-guide/sysrq.rst
11 司延腾 Yanteng Si <siyanteng@loongson.cn>
13 .. _cn_admin-guide_sysrq:
35 - 0 - 完全不使能 SysRq 键
36 - 1 - 使能 SysRq 键的全部功能
37 - >1 - 对于允许的 SysRq 键功能的比特掩码（参见下面更详细的功能描述）::
39 2 = 0x2 - 使能对控制台日志记录级别的控制
40 4 = 0x4 - 使能对键盘的控制 (SAK, unraw)
41 8 = 0x8 - 使能对进程的调试导出等
[all …]
/Linux-v6.6/Documentation/translations/zh_CN/admin-guide/mm/damon/
Dstart.rst1 .. SPDX-License-Identifier: GPL-2.0
2 .. include:: ../../../disclaimer-zh_CN.rst
4 :Original: Documentation/admin-guide/mm/damon/start.rst
8 司延腾 Yanteng Si <siyanteng@loongson.cn>
25 ----
31 ------------
47 $ sudo damo record -o damon.data $(pidof masim)
60 $ sudo damo report heats --heatmap stdout
75 # access_frequency: 0 1 2 3 4 5 6 7 8 9
76 # x-axis: space (139728247021568-139728453431248: 196.848 MiB)
[all …]
/Linux-v6.6/arch/mips/mm/
Dc-r4k.c22 #include <linux/dma-map-ops.h> /* for dma_default_coherent */
29 #include <asm/cpu-features.h>
30 #include <asm/cpu-type.h>
38 #include <asm/mips-cps.h>
43 * R4K_HIT - Virtual user or kernel address based cache operations. The
46 * R4K_INDEX - Index based cache operations.
53 * r4k_op_needs_ipi() - Decide if a cache op needs to be done on every core.
68 /* The MIPS Coherence Manager (CM) globalizes address-based cache ops */ in r4k_op_needs_ipi()
74 * be needed, but only if there are foreign CPUs (non-siblings with in r4k_op_needs_ipi()
240 for (addr = start + 0x400; addr < end; addr += 0x400 * 2) in tx49_blast_icache32()
[all …]
/Linux-v6.6/
D.mailmap2 # This list is used by git-shortlog to fix a few botched name translations
9 # "man git-shortlog" on older systems.
33 Alexandre Belloni <alexandre.belloni@bootlin.com> <alexandre.belloni@free-electrons.com>
53 Andrew Morton <akpm@linux-foundation.org>
54 Andrew Murray <amurray@thegoodpenguin.co.uk> <amurray@embedded-bits.co.uk>
66 Antoine Tenart <atenart@kernel.org> <antoine.tenart@free-electrons.com>
71 Arnaud Patard <arnaud.patard@rtp-net.org>
91 Ben Dooks <ben-linux@fluff.org> <ben.dooks@simtec.co.uk>
92 Ben Dooks <ben-linux@fluff.org> <ben.dooks@sifive.com>
107 Boris Brezillon <bbrezillon@kernel.org> <boris.brezillon@free-electrons.com>
[all …]

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