/linux/Documentation/devicetree/bindings/pci/ |
H A D | pci-msi.txt | 2 relationship between PCI devices and MSI controllers. 18 Requester ID. A mechanism is required to associate a device with both the MSI 22 For generic MSI bindings, see 23 Documentation/devicetree/bindings/interrupt-controller/msi.txt. 30 ------------------- 32 - msi-map: Maps a Requester ID to an MSI controller and associated 33 msi-specifier data. The property is an arbitrary number of tuples of 34 (rid-base,msi-controller,msi-base,length), where: 36 * rid-base is a single cell describing the first RID matched by the entry. 38 * msi-controller is a single phandle to an MSI controller [all …]
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H A D | xgene-pci-msi.txt | 1 * AppliedMicro X-Gene v1 PCIe MSI controller 5 - compatible: should be "apm,xgene1-msi" to identify 6 X-Gene v1 PCIe MSI controller block. 7 - msi-controller: indicates that this is an X-Gene v1 PCIe MSI controller node 8 - reg: physical base address (0x79000000) and length (0x900000) for controller 9 registers. These registers include the MSI termination address and data 10 registers as well as the MSI interrupt status registers. 11 - reg-names: not required 12 - interrupts: A list of 16 interrupt outputs of the controller, starting from 14 - interrupt-names: not required [all …]
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/linux/Documentation/devicetree/bindings/misc/ |
H A D | fsl,qoriq-mc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/misc/fsl,qoriq-mc.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Frank Li <Frank.Li@nxp.com> 13 The Freescale Management Complex (fsl-mc) is a hardware resource 15 network-oriented packet processing applications. After the fsl-mc 22 For an overview of the DPAA2 architecture and fsl-mc bus see: 26 same hardware "isolation context" and a 10-bit value called an ICID 31 between ICIDs and IOMMUs, so an iommu-map property is used to define [all …]
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/linux/Documentation/devicetree/bindings/interrupt-controller/ |
H A D | loongson,pch-msi.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/interrupt-controller/loongson,pch-msi.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: Loongson PCH MSI Controller 10 - Jiaxun Yang <jiaxun.yang@flygoat.com> 14 transforming interrupts from PCIe MSI into HyperTransport vectorized 19 const: loongson,pch-msi-1.0 24 loongson,msi-base-vec: 26 u32 value of the base of parent HyperTransport vector allocated [all …]
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H A D | al,alpine-msix.txt | 3 See arm,gic-v3.txt for SPI and MSI definitions. 7 - compatible: should be "al,alpine-msix" 8 - reg: physical base address and size of the registers 9 - interrupt-controller: identifies the node as an interrupt controller 10 - msi-controller: identifies the node as an PCI Message Signaled Interrupt 12 - al,msi-base-spi: SPI base of the MSI frame 13 - al,msi-num-spis: number of SPIs assigned to the MSI frame, relative to SPI0 18 compatible = "al,alpine-msix"; 20 interrupt-parent = <&gic>; 21 interrupt-controller; [all …]
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H A D | arm,gic.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 4 $id: http://devicetree.org/schemas/interrupt-controller/arm,gic.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Marc Zyngier <marc.zyngier@arm.com> 22 - $ref: /schemas/interrupt-controller.yaml# 27 - items: 28 - enum: 29 - arm,arm11mp-gic 30 - arm,cortex-a15-gic [all …]
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H A D | marvell,odmi-controller.txt | 2 * Marvell ODMI for MSI support 4 Some Marvell SoCs have an On-Die Message Interrupt (ODMI) controller 5 which can be used by on-board peripheral for MSI interrupts. 9 - compatible : The value here should contain: 11 "marvell,ap806-odmi-controller", "marvell,odmi-controller". 13 - interrupt,controller : Identifies the node as an interrupt controller. 15 - msi-controller : Identifies the node as an MSI controller. 17 - marvell,odmi-frames : Number of ODMI frames available. Each frame 20 - reg : List of register definitions, one for each 23 - marvell,spi-base : List of GIC base SPI interrupts, one for each [all …]
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H A D | arm,gic-v3.yaml | 1 # SPDX-License-Identifier: GPL-2.0 3 --- 4 $id: http://devicetree.org/schemas/interrupt-controller/arm,gic-v3.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 10 - Marc Zyngier <maz@kernel.org> 15 Software Generated Interrupts (SGI), and Locality-specific Peripheral 19 - $ref: /schemas/interrupt-controller.yaml# 24 - items: 25 - enum: 26 - qcom,msm8996-gic-v3 [all …]
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H A D | msi-controller.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 3 --- 4 $id: http://devicetree.org/schemas/interrupt-controller/msi-controller.yaml# 5 $schema: http://devicetree.org/meta-schemas/core.yaml# 7 title: MSI controller 10 - Marc Zyngier <maz@kernel.org> 13 An MSI controller signals interrupts to a CPU when a write is made 14 to an MMIO address by some master. An MSI controller may feature a 18 "#msi-cells": 20 The number of cells in an msi-specifier, required if not zero. [all …]
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/linux/drivers/pci/msi/ |
H A D | msi.c | 1 // SPDX-License-Identifier: GPL-2.0 3 * PCI Message Signaled Interrupt (MSI) 5 * Copyright (C) 2003-2004 Intel 15 #include "msi.h" 21 * pci_msi_supported - check whether MSI may be enabled on a device 22 * @dev: pointer to the pci_dev data structure of MSI device function 26 * to determine if MSI/-X are supported for the device. If MSI/-X is 33 /* MSI must be globally enabled and supported by the device */ in pci_msi_supported() 37 if (!dev || dev->no_msi) in pci_msi_supported() 49 * Any bridge which does NOT route MSI transactions from its in pci_msi_supported() [all …]
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/linux/drivers/irqchip/ |
H A D | irq-gic-v2m.c | 1 // SPDX-License-Identifier: GPL-2.0-only 3 * ARM GIC v2m MSI(-X) support 21 #include <linux/msi.h> 26 #include <linux/irqchip/arm-gic.h> 27 #include <linux/irqchip/arm-gic-common.h> 29 #include "irq-msi-lib.h" 34 * [25:16] lowest SPI assigned to MSI 36 * [9:0] Numer of SPIs assigned to MSI 52 /* APM X-Gene with GICv2m MSI_IIDR register value */ 69 void __iomem *base; /* GICv2m virt address */ member [all …]
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H A D | irq-mvebu-icu.c | 5 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> 18 #include <linux/msi.h> 23 #include "irq-msi-lib.h" 25 #include <dt-bindings/interrupt-controller/mvebu-icu.h> 55 void __iomem *base; member 71 struct mvebu_icu_msi_data *msi_data = d->host_data; in mvebu_icu_translate() 72 struct mvebu_icu *icu = msi_data->icu; in mvebu_icu_translate() 75 if (WARN_ON(fwspec->param_count != param_count)) { in mvebu_icu_translate() 76 dev_err(icu->dev, "wrong ICU parameter count %d\n", in mvebu_icu_translate() 77 fwspec->param_count); in mvebu_icu_translate() [all …]
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H A D | irq-riscv-aplic-msi.c | 1 // SPDX-License-Identifier: GPL-2.0 12 #include <linux/irqchip/riscv-aplic.h> 13 #include <linux/irqchip/riscv-imsic.h> 15 #include <linux/msi.h> 21 #include "irq-riscv-aplic-main.h" 43 * The section "4.9.2 Special consideration for level-sensitive interrupt in aplic_msi_irq_retrigger_level() 44 * sources" of the RISC-V AIA specification says: in aplic_msi_irq_retrigger_level() 52 writel(d->hwirq, priv->regs + APLIC_SETIPNUM_LE); in aplic_msi_irq_retrigger_level() 60 * EOI handling is required only for level-triggered interrupts in aplic_msi_irq_eoi() 61 * when APLIC is in MSI mode. in aplic_msi_irq_eoi() [all …]
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H A D | irq-armada-370-xp.c | 1 // SPDX-License-Identifier: GPL-2.0-only 8 * Gregory CLEMENT <gregory.clement@free-electrons.com> 9 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> 31 #include <linux/msi.h> 45 * +---------------+ +---------------+ 47 * | per-CPU | | per-CPU | 51 * +---------------+ +---------------+ 56 * +-------------------+ 61 * +-------------------+ 69 * registers, which are relative to "mpic->base". [all …]
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H A D | irq-mvebu-odmi.c | 4 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com> 11 #define pr_fmt(fmt) "GIC-ODMI: " fmt 17 #include <linux/msi.h> 21 #include "irq-msi-lib.h" 23 #include <dt-bindings/interrupt-controller/arm-gic.h> 38 #define NODMIS_MASK (NODMIS_PER_FRAME - 1) 42 void __iomem *base; member 59 if (WARN_ON(d->hwirq >= odmis_count * NODMIS_PER_FRAME)) in odmi_compose_msi_msg() 62 odmi = &odmis[d->hwirq >> NODMIS_SHIFT]; in odmi_compose_msi_msg() 63 odmin = d->hwirq & NODMIS_MASK; in odmi_compose_msi_msg() [all …]
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/linux/arch/arm64/boot/dts/marvell/ |
H A D | armada-ap80x.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT) 8 #include <dt-bindings/interrupt-controller/arm-gic.h> 9 #include <dt-bindings/thermal/thermal.h> 11 /dts-v1/; 14 #address-cells = <2>; 15 #size-cells = <2>; 25 compatible = "arm,psci-0.2"; 29 reserved-memory { 30 #address-cells = <2>; 31 #size-cells = <2>; [all …]
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/linux/arch/arm64/boot/dts/broadcom/northstar2/ |
H A D | ns2.dtsi | 35 #include <dt-bindings/interrupt-controller/arm-gic.h> 36 #include <dt-bindings/clock/bcm-ns2.h> 40 interrupt-parent = <&gic>; 41 #address-cells = <2>; 42 #size-cells = <2>; 45 #address-cells = <2>; 46 #size-cells = <0>; 50 compatible = "arm,cortex-a57"; 52 enable-method = "psci"; 53 next-level-cache = <&CLUSTER0_L2>; [all …]
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/linux/drivers/pci/controller/ |
H A D | pcie-iproc.c | 1 // SPDX-License-Identifier: GPL-2.0 3 * Copyright (C) 2014 Hauke Mehrtens <hauke@hauke-m.de> 9 #include <linux/pci-ecam.h> 10 #include <linux/msi.h> 17 #include <linux/irqchip/arm-gic-v3.h> 24 #include "pcie-iproc.h" 91 * struct iproc_pcie_ob_map - iProc PCIe outbound mapping controller-specific 138 * enum iproc_pcie_ib_map_type - iProc PCIe inbound mapping type 150 * struct iproc_pcie_ib_map - iProc PCIe inbound mapping controller-specific 159 * @imap_addr_offset: register offset between the upper and lower 32-bit [all …]
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H A D | pcie-iproc.h | 1 /* SPDX-License-Identifier: GPL-2.0 */ 3 * Copyright (C) 2014-2015 Broadcom Corporation 10 * enum iproc_pcie_type - iProc PCIe interface type 11 * @IPROC_PCIE_PAXB_BCMA: BCMA-based host controllers 12 * @IPROC_PCIE_PAXB: PAXB-based host controllers for 14 * @IPROC_PCIE_PAXB_V2: PAXB-based host controllers for Stingray SoCs 15 * @IPROC_PCIE_PAXC: PAXC-based host controllers 16 * @IPROC_PCIE_PAXC_V2: PAXC-based host controllers (second generation) 33 * struct iproc_pcie_ob - iProc PCIe outbound mapping 44 * struct iproc_pcie_ib - iProc PCIe inbound mapping [all …]
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H A D | pcie-xilinx-dma-pl.c | 1 // SPDX-License-Identifier: GPL-2.0-only 13 #include <linux/msi.h> 18 #include "pcie-xilinx-common.h" 46 IMR(MSI) | \ 76 /* Number of MSI IRQs */ 85 * struct xilinx_pl_dma_variant - PL DMA PCIe variant information 102 * struct pl_dma_pcie - PCIe port information 104 * @reg_base: IO Mapped Register Base 105 * @cfg_base: IO Mapped Configuration Base 108 * @phys_reg_base: Physical address of reg base [all …]
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/linux/drivers/spi/ |
H A D | spi-pci1xxxx.c | 1 // SPDX-License-Identifier: GPL-2.0 10 #include <linux/dma-mapping.h> 14 #include <linux/msi.h> 21 #define DRV_NAME "spi-pci1xxxx" 105 /* x refers to SPI Host Controller HW instance id in the below macros - 0 or 1 */ 197 writel(SPI_SYSLOCK, par->reg_base + SPI_SYSLOCK_REG); in pci1xxxx_set_sys_lock() 198 return readl(par->reg_base + SPI_SYSLOCK_REG); in pci1xxxx_set_sys_lock() 212 writel(0x0, par->reg_base + SPI_SYSLOCK_REG); in pci1xxxx_release_sys_lock() 217 struct pci_dev *pdev = spi_bus->dev; in pci1xxxx_check_spi_can_dma() 228 dev_err(&pdev->dev, "Error failed to acquire syslock\n"); in pci1xxxx_check_spi_can_dma() [all …]
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/linux/arch/sparc/kernel/ |
H A D | pci_fire.c | 1 // SPDX-License-Identifier: GPL-2.0 2 /* pci_fire.c: Sun4u platform PCI-E controller support. 10 #include <linux/msi.h> 33 struct iommu *iommu = pbm->iommu; in pci_fire_pbm_iommu_init() 38 /* No virtual-dma property on these guys, use largest size. */ in pci_fire_pbm_iommu_init() 39 vdma[0] = 0xc0000000; /* base */ in pci_fire_pbm_iommu_init() 45 iommu->iommu_control = pbm->pbm_regs + FIRE_IOMMU_CONTROL; in pci_fire_pbm_iommu_init() 46 iommu->iommu_tsbbase = pbm->pbm_regs + FIRE_IOMMU_TSBBASE; in pci_fire_pbm_iommu_init() 47 iommu->iommu_flush = pbm->pbm_regs + FIRE_IOMMU_FLUSH; in pci_fire_pbm_iommu_init() 48 iommu->iommu_flushinv = pbm->pbm_regs + FIRE_IOMMU_FLUSHINV; in pci_fire_pbm_iommu_init() [all …]
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/linux/drivers/pci/controller/mobiveil/ |
H A D | pcie-mobiveil.h | 1 /* SPDX-License-Identifier: GPL-2.0 */ 17 #include <linux/msi.h> 103 /* supported number of MSI interrupts */ 106 /* MSI registers */ 136 struct mobiveil_msi { /* MSI information */ 152 void __iomem *config_axi_slave_base; /* endpoint config base */ 158 struct mobiveil_msi msi; member 168 void __iomem *csr_axi_slave_base; /* root port config base */ 169 void __iomem *apb_csr_base; /* MSI register base */ 170 phys_addr_t pcie_reg_base; /* Physical PCIe Controller Base */
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/linux/arch/mips/boot/dts/loongson/ |
H A D | loongson64c_4core_ls7a.dts | 1 // SPDX-License-Identifier: GPL-2.0 3 /dts-v1/; 5 #include "loongson64c-package.dtsi" 6 #include "ls7a-pch.dtsi" 9 compatible = "loongson,loongson64c-4core-ls7a"; 13 htvec: interrupt-controller@efdfb000080 { 14 compatible = "loongson,htvec-1.0"; 16 interrupt-controller; 17 #interrupt-cells = <1>; 19 interrupt-parent = <&liointc>; [all …]
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H A D | loongson64g_4core_ls7a.dts | 1 // SPDX-License-Identifier: GPL-2.0 3 /dts-v1/; 5 #include "loongson64g-package.dtsi" 6 #include "ls7a-pch.dtsi" 9 compatible = "loongson,loongson64g-4core-ls7a"; 13 htvec: interrupt-controller@efdfb000080 { 14 compatible = "loongson,htvec-1.0"; 16 interrupt-controller; 17 #interrupt-cells = <1>; 19 interrupt-parent = <&liointc>; [all …]
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