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/kernel/linux/linux-6.6/Documentation/devicetree/bindings/interrupt-controller/
Dapple,aic2.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/apple,aic2.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Hector Martin <marcan@marcan.st>
18 - Level-triggered hardware IRQs wired to SoC blocks
19 - Single mask bit per IRQ
20 - Automatic masking on event delivery (auto-ack)
21 - Software triggering (ORed with hw line)
22 - Automatic prioritization (single event/ack register per CPU, lower IRQs =
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Dst,stih407-irq-syscfg.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/st,stih407-irq-syscfg.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Patrice Chotard <patrice.chotard@foss.st.com>
13 On STi based systems; External, CTI (Core Sight), PMU (Performance
19 const: st,stih407-irq-syscfg
22 description: Phandle to Cortex-A9 IRQ system config registers
25 st,irq-device:
27 $ref: /schemas/types.yaml#/definitions/uint32-array
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/kernel/linux/linux-6.6/arch/arm/mach-omap1/
Dams-delta-fiq-handler.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * linux/arch/arm/mach-omap1/ams-delta-fiq-handler.S
5 * Based on linux/arch/arm/lib/floppydma.S
14 #include <linux/platform_data/ams-delta-fiq.h>
15 #include <linux/platform_data/gpio-omap.h>
16 #include <linux/soc/ti/omap1-io.h>
22 #include "ams-delta-fiq.h"
23 #include "board-ams-delta.h"
27 * OMAP1510 GPIO related symbol copied from arch/arm/mach-omap1/gpio15xx.c.
79 * r8 - temporary
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DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
26 bool "OMAP15xx Based System"
32 bool "OMAP16xx Based System"
75 intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is
88 timer provides more intra-tick resolution than the 32KHz timer,
92 bool "Enable wake-up events for serial ports"
155 select FIQ
/kernel/linux/linux-5.10/arch/arm/mach-omap1/
Dams-delta-fiq-handler.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * linux/arch/arm/mach-omap1/ams-delta-fiq-handler.S
5 * Based on linux/arch/arm/lib/floppydma.S
14 #include <linux/platform_data/ams-delta-fiq.h>
15 #include <linux/platform_data/gpio-omap.h>
20 #include "ams-delta-fiq.h"
21 #include "board-ams-delta.h"
26 * OMAP1510 GPIO related symbol copied from arch/arm/mach-omap1/gpio15xx.c.
78 * r8 - temporary
79 * r9 - the driver buffer
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DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
9 bool "OMAP730 Based System"
15 bool "OMAP850 Based System"
21 bool "OMAP15xx Based System"
26 bool "OMAP16xx Based System"
83 HTC Herald smartphone support (AKA T-Mobile Wing, ...)
96 The OSK supports an optional add-on board with a Quarter-VGA
97 touchscreen, PDA-ish buttons, a resume button, bicolor LED,
108 bool "TI F-Sample"
111 Support for TI OMAP 850 F-Sample board. Say Y here if you have such
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/kernel/linux/linux-5.10/drivers/spi/
Dspi-s3c24xx.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright 2006-2009 Simtec Electronics
22 #include <linux/spi/s3c24xx-fiq.h>
25 #include <asm/fiq.h>
27 #include "spi-s3c24xx-regs.h"
30 * struct s3c24xx_spi_devstate - per device data
84 return spi_master_get_devdata(sdev->master); in to_hw()
89 gpio_set_value(spi->pin_cs, pol); in s3c24xx_spi_gpiocs()
94 struct s3c24xx_spi_devstate *cs = spi->controller_state; in s3c24xx_spi_chipsel()
96 unsigned int cspol = spi->mode & SPI_CS_HIGH ? 1 : 0; in s3c24xx_spi_chipsel()
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/interrupt-controller/
Dst,sti-irq-syscfg.txt2 -----------------------------------------------------------
4 On STi based systems; External, CTI (Core Sight), PMU (Performance Management),
9 - compatible : Should be set to one of:
10 "st,stih415-irq-syscfg"
11 "st,stih416-irq-syscfg"
12 "st,stih407-irq-syscfg"
13 "st,stid127-irq-syscfg"
14 - st,syscfg : Phandle to Cortex-A9 IRQ system config registers
15 - st,irq-device : Array of IRQs to enable - should be 2 in length
16 - st,fiq-device : Array of FIQs to enable - should be 2 in length
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/kernel/linux/linux-6.6/drivers/irqchip/
Dirq-apple-aic.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Based on irq-lpc32xx:
6 * Copyright 2015-2016 Vladimir Zapolskiy <vz@mleia.com>
7 * Based on irq-bcm2836:
14 * - 896 level-triggered hardware IRQs
15 * - Single mask bit per IRQ
16 * - Per-IRQ affinity setting
17 * - Automatic masking on event delivery (auto-ack)
18 * - Software triggering (ORed with hw line)
19 * - 2 per-CPU IPIs (meant as "self" and "other", but they are
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Dirq-ixp4xx.c1 // SPDX-License-Identifier: GPL-2.0
6 * Based on arch/arm/mach-ixp4xx/common.c
8 * Copyright 2003-2004 (C) MontaVista, Software, Inc.
28 #define IXP4XX_ICLR 0x08 /* Interrupt IRQ/FIQ Select */
30 #define IXP4XX_ICFP 0x10 /* FIQ Status */
33 #define IXP4XX_ICFH 0x1C /* FIQ Highest Pri Int */
35 /* IXP43x and IXP46x-only */
38 #define IXP4XX_ICLR2 0x28 /* Interrupt IRQ/FIQ Select 2 */
40 #define IXP4XX_ICFP2 0x30 /* FIQ Status */
44 * struct ixp4xx_irq - state container for the Faraday IRQ controller
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Dirq-sa11x0.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2015 Dmitry Eremin-Solenikov
4 * Copyright (C) 1999-2001 Nicolas Pitre
15 #include <linux/irqchip/irq-sa11x0.h>
25 #define ICFP 0x10 /* IC FIQ Pending reg. */
39 reg &= ~BIT(d->hwirq); in sa1100_mask_irq()
48 reg |= BIT(d->hwirq); in sa1100_unmask_irq()
54 return sa11x0_sc_set_wake(d->hwirq, on); in sa1100_set_wake()
92 st->saved = 1; in sa1100irq_suspend()
93 st->icmr = readl_relaxed(iobase + ICMR); in sa1100irq_suspend()
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/kernel/linux/linux-5.10/arch/arm64/kernel/
Dhibernate-asm.S1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Hibernate low-level support
11 #include <asm/asm-offsets.h>
46 * other functions by PC-relative address. Also remember that it may be
47 * mid-way through over-writing other functions. For this reason it contains
71 * with a break-before-make via the zero page
80 /* walk the restore_pblist and use copy_page() to over-write memory */
90 /* Clean the copied page to PoU - based on flush_icache_range() */
110 cbz x24, 3f /* Do we need to re-initialise EL2? */
118 * but happens before any of the hyp-stub's code is cleaned to PoC.
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/kernel/linux/linux-6.6/arch/arm64/kernel/
Dirq.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Based on arch/arm/kernel/irq.c
6 * Modifications for ARM processor Copyright (C) 1995-2000 Russell King.
7 * Support for Dynamic Tick Timer Copyright (C) 2004-2005 Nokia Corporation.
66 /* irq stack only needs to be 16 byte aligned - not IRQ_STACK_SIZE aligned. */
97 panic("FIQ taken without a root FIQ handler\n"); in default_handle_fiq()
106 return -EBUSY; in set_handle_irq()
116 return -EBUSY; in set_handle_fiq()
119 pr_info("Root FIQ handler: %ps\n", handle_fiq); in set_handle_fiq()
/kernel/linux/linux-6.6/Documentation/devicetree/bindings/sound/
Dfsl,ssi.txt4 be programmed in AC97, I2S, left-justified, or right-justified modes.
7 - compatible: Compatible list, should contain one of the following
9 fsl,mpc8610-ssi
10 fsl,imx51-ssi
11 fsl,imx35-ssi
12 fsl,imx21-ssi
13 - cell-index: The SSI, <0> = SSI1, <1> = SSI2, and so on.
14 - reg: Offset and length of the register set for the device.
15 - interrupts: <a b> where a is the interrupt number and b is a
18 encoded based on the information in section 2)
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/sound/
Dfsl,ssi.txt4 be programmed in AC97, I2S, left-justified, or right-justified modes.
7 - compatible: Compatible list, should contain one of the following
9 fsl,mpc8610-ssi
10 fsl,imx51-ssi
11 fsl,imx35-ssi
12 fsl,imx21-ssi
13 - cell-index: The SSI, <0> = SSI1, <1> = SSI2, and so on.
14 - reg: Offset and length of the register set for the device.
15 - interrupts: <a b> where a is the interrupt number and b is a
18 encoded based on the information in section 2)
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/kernel/linux/linux-5.10/drivers/irqchip/
Dirq-ixp4xx.c1 // SPDX-License-Identifier: GPL-2.0
6 * Based on arch/arm/mach-ixp4xx/common.c
8 * Copyright 2003-2004 (C) MontaVista, Software, Inc.
16 #include <linux/irqchip/irq-ixp4xx.h>
29 #define IXP4XX_ICLR 0x08 /* Interrupt IRQ/FIQ Select */
31 #define IXP4XX_ICFP 0x10 /* FIQ Status */
34 #define IXP4XX_ICFH 0x1C /* FIQ Highest Pri Int */
36 /* IXP43x and IXP46x-only */
39 #define IXP4XX_ICLR2 0x28 /* Interrupt IRQ/FIQ Select 2 */
41 #define IXP4XX_ICFP2 0x30 /* FIQ Status */
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Dirq-sa11x0.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2015 Dmitry Eremin-Solenikov
4 * Copyright (C) 1999-2001 Nicolas Pitre
15 #include <linux/irqchip/irq-sa11x0.h>
25 #define ICFP 0x10 /* IC FIQ Pending reg. */
39 reg &= ~BIT(d->hwirq); in sa1100_mask_irq()
48 reg |= BIT(d->hwirq); in sa1100_unmask_irq()
54 return sa11x0_sc_set_wake(d->hwirq, on); in sa1100_set_wake()
92 st->saved = 1; in sa1100irq_suspend()
93 st->icmr = readl_relaxed(iobase + ICMR); in sa1100irq_suspend()
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/kernel/linux/linux-6.6/sound/soc/fsl/
Dimx-pcm-fiq.c1 // SPDX-License-Identifier: GPL-2.0+
2 // imx-pcm-fiq.c -- ALSA Soc Audio Layer
6 // This code is based on code copyrighted by Freescale,
12 #include <linux/dma-mapping.h>
26 #include <asm/fiq.h>
28 #include <linux/platform_data/asoc-imx-ssi.h>
30 #include "imx-ssi.h"
31 #include "imx-pcm.h"
48 struct snd_pcm_substream *substream = iprtd->substream; in snd_hrtimer_callback()
51 if (!atomic_read(&iprtd->playing) && !atomic_read(&iprtd->capturing)) in snd_hrtimer_callback()
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Dimx-pcm.h1 /* SPDX-License-Identifier: GPL-2.0+ */
5 * This code is based on code copyrighted by Freescale,
12 #include <linux/dma/imx-dma.h>
15 * Do not change this as the FIQ handler depends on this size
35 return -ENODEV; in imx_pcm_dma_init()
47 return -ENODEV; in imx_pcm_fiq_init()
/kernel/linux/linux-5.10/sound/soc/fsl/
Dimx-pcm.h1 /* SPDX-License-Identifier: GPL-2.0+ */
5 * This code is based on code copyrighted by Freescale,
12 #include <linux/platform_data/dma-imx.h>
15 * Do not change this as the FIQ handler depends on this size
28 dma_data->dma_request = dma; in imx_pcm_dma_params_init_data()
29 dma_data->priority = DMA_PRIO_HIGH; in imx_pcm_dma_params_init_data()
30 dma_data->peripheral_type = peripheral_type; in imx_pcm_dma_params_init_data()
47 return -ENODEV; in imx_pcm_dma_init()
59 return -ENODEV; in imx_pcm_fiq_init()
Dimx-pcm-fiq.c1 // SPDX-License-Identifier: GPL-2.0+
2 // imx-pcm-fiq.c -- ALSA Soc Audio Layer
6 // This code is based on code copyrighted by Freescale,
12 #include <linux/dma-mapping.h>
26 #include <asm/fiq.h>
28 #include <linux/platform_data/asoc-imx-ssi.h>
30 #include "imx-ssi.h"
31 #include "imx-pcm.h"
48 struct snd_pcm_substream *substream = iprtd->substream; in snd_hrtimer_callback()
51 if (!atomic_read(&iprtd->playing) && !atomic_read(&iprtd->capturing)) in snd_hrtimer_callback()
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/kernel/linux/linux-5.10/fs/fuse/
Dfuse_i.h3 Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu>
23 #include <linux/backing-dev.h>
41 /** Bias for fi->writectr, meaning new writepages must not be sent */
87 /** The sticky bit in inode->i_mode may have been removed, so
100 /* Files usable in writepage. Protected by fi->lock */
228 /** RB node to be linked on fuse_conn->polled_files */
344 * - FR_ABORTED
345 * - FR_LOCKED (may also be modified under fc->lock, tested under both)
378 /** virtio-fs's physically contiguous buffer for in and out args */
391 * Input queue signalling is device-specific. For example, the /dev/fuse file
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/kernel/linux/linux-5.10/arch/arm64/kvm/
Daarch32.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2012,2013 - ARM Ltd
8 * based on arch/arm/kvm/emulate.c
9 * Copyright (C) 2012 - Virtual Open Systems and Columbia University
23 * Table taken from ARMv8 ARM DDI0487B-B, table G1-10.
33 [7] = { 4, 4 }, /* FIQ, unused */
39 if (vcpu->arch.sysregs_loaded_on_cpu) { in pre_fault_synchronize()
65 * - ARM DDI 0406C.d, page B1-1148
66 * - ARM DDI 0487E.a, page G8-6264
69 * - ARM DDI 0487E.a, page C5-426
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/kernel/linux/linux-6.6/fs/fuse/
Dfuse_i.h3 Copyright (C) 2001-2008 Miklos Szeredi <miklos@szeredi.hu>
23 #include <linux/backing-dev.h>
41 /** Bias for fi->writectr, meaning new writepages must not be sent */
100 /** The sticky bit in inode->i_mode may have been removed, so
116 /* Files usable in writepage. Protected by fi->lock */
241 /** RB node to be linked on fuse_conn->polled_files */
359 * - FR_ABORTED
360 * - FR_LOCKED (may also be modified under fc->lock, tested under both)
393 /** virtio-fs's physically contiguous buffer for in and out args */
406 * Input queue signalling is device-specific. For example, the /dev/fuse file
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/kernel/linux/linux-5.10/Documentation/arm64/
Dbooting.rst9 This document is based on the ARM booting document by Russell King and
13 (EL0 - EL3), with EL0 and EL1 having a secure and a non-secure
14 counterpart. EL2 is the hypervisor level and exists only in non-secure
33 ---------------------------
46 -------------------------
50 The device tree blob (dtb) must be placed on an 8-byte boundary and must
59 ------------------------------
71 ------------------------
75 The decompressed kernel image contains a 64-byte header as follows::
91 - As of v3.17, all fields are little endian unless stated otherwise.
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