| /kernel/linux/linux-5.10/arch/arc/mm/ |
| D | dma.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
6 #include <linux/dma-map-ops.h>
11 * ARCH specific callbacks for generic noncoherent DMA ops
12 * - hardware IOC not available (or "dma-coherent" not set for device in DT)
13 * - But still handle both coherent and non-coherent requests from caller
15 * For DMA coherent hardware (IOC) generic code suffices
23 * Yeah this bit us - STAR 9000898266 in arch_dma_prep_coherent()
37 * dma-mapping: provide a generic dma-noncoherent implementation)"
40 * |----------------------------------------------------------------
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| /kernel/linux/linux-4.19/arch/arc/mm/ |
| D | dma.c | 2 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
9 #include <linux/dma-noncoherent.h>
14 * ARCH specific callbacks for generic noncoherent DMA ops (dma/noncoherent.c)
15 * - hardware IOC not available (or "dma-coherent" not set for device in DT)
16 * - But still handle both coherent and non-coherent requests from caller
18 * For DMA coherent hardware (IOC) generic code suffices
31 * (in include/linux/dma-mapping.h) so we should never get a in arch_dma_alloc()
46 * A coherent buffer needs MMU mapping to enforce non-cachability. in arch_dma_alloc()
62 * Yeah this bit us - STAR 9000898266 in arch_dma_alloc()
94 unsigned long off = vma->vm_pgoff; in arch_dma_mmap()
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| /kernel/linux/linux-5.10/arch/arc/boot/dts/ |
| D | axc003_idu.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-only
14 #address-cells = <2>;
15 #size-cells = <2>;
18 compatible = "simple-bus";
19 #address-cells = <1>;
20 #size-cells = <1>;
24 input_clk: input-clk {
25 #clock-cells = <0>;
26 compatible = "fixed-clock";
27 clock-frequency = <33333333>;
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| D | axc003.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
14 #address-cells = <2>;
15 #size-cells = <2>;
18 compatible = "simple-bus";
19 #address-cells = <1>;
20 #size-cells = <1>;
24 input_clk: input-clk {
25 #clock-cells = <0>;
26 compatible = "fixed-clock";
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| /kernel/linux/linux-4.19/arch/arc/boot/dts/ |
| D | axc003_idu.dtsi | 17 #address-cells = <2>;
18 #size-cells = <2>;
21 compatible = "simple-bus";
22 #address-cells = <1>;
23 #size-cells = <1>;
27 input_clk: input-clk {
28 #clock-cells = <0>;
29 compatible = "fixed-clock";
30 clock-frequency = <33333333>;
33 core_clk: core-clk@80 {
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| D | axc003.dtsi | 2 * Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.com)
17 #address-cells = <2>;
18 #size-cells = <2>;
21 compatible = "simple-bus";
22 #address-cells = <1>;
23 #size-cells = <1>;
27 input_clk: input-clk {
28 #clock-cells = <0>;
29 compatible = "fixed-clock";
30 clock-frequency = <33333333>;
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| /kernel/linux/linux-5.10/arch/c6x/mm/ |
| D | dma-coherent.c | 1 // SPDX-License-Identifier: GPL-2.0-only
8 * DMA uncached mapping support.
11 * Copyright (C) 2000-2004 Russell King
18 #include <linux/dma-map-ops.h>
26 * DMA coherent memory management, can be redefined using the memdma=
41 * Return a DMA coherent and contiguous memory chunk from the DMA memory
58 u32 pos = (addr - dma_base) >> PAGE_SHIFT; in __free_dma_pages()
71 * Allocate DMA coherent memory space and return both the kernel
72 * virtual and DMA address for that space.
84 order = get_count_order(((size - 1) >> PAGE_SHIFT) + 1); in arch_dma_alloc()
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| /kernel/linux/linux-4.19/arch/c6x/mm/ |
| D | dma-coherent.c | 11 * DMA uncached mapping support.
14 * Copyright (C) 2000-2004 Russell King
22 #include <linux/dma-noncoherent.h>
30 * DMA coherent memory management, can be redefined using the memdma=
45 * Return a DMA coherent and contiguous memory chunk from the DMA memory
62 u32 pos = (addr - dma_base) >> PAGE_SHIFT; in __free_dma_pages()
75 * Allocate DMA coherent memory space and return both the kernel
76 * virtual and DMA address for that space.
87 order = get_count_order(((size - 1) >> PAGE_SHIFT) + 1); in arch_dma_alloc()
101 * Free DMA coherent memory as defined by the above mapping.
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| /kernel/linux/linux-4.19/arch/arm/mm/ |
| D | dma-mapping-nommu.c | 2 * Based on linux/arch/arm/mm/dma-mapping.c
4 * Copyright (C) 2000-2004 Russell King
14 #include <linux/dma-direct.h>
22 #include "dma.h"
26 * - MMU/MPU is off
27 * - cpu is v7m w/o cache support
28 * - device is coherent
31 * arm_nommu_dma_ops rely on consistent DMA memory (please, refer to
34 * [1] Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt
57 * - no consistent DMA region has been defined, so we can't in arm_nommu_dma_alloc()
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| D | dma-mapping.c | 2 * linux/arch/arm/mm/dma-mapping.c
4 * Copyright (C) 2000-2004 Russell King
10 * DMA uncached mapping support.
21 #include <linux/dma-mapping.h>
22 #include <linux/dma-contiguous.h>
37 #include <asm/dma-iommu.h>
40 #include <asm/dma-contiguous.h>
42 #include "dma.h"
64 #define COHERENT 1 macro
88 if (buf->virt == virt) { in arm_dma_buffer_find()
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/dma/xilinx/ |
| D | zynqmp_dma.txt | 1 Xilinx ZynqMP DMA engine, it does support memory to memory transfers,
3 control and rate control support for slave/peripheral dma access.
6 - compatible : Should be "xlnx,zynqmp-dma-1.0"
7 - reg : Memory map for gdma/adma module access.
8 - interrupts : Should contain DMA channel interrupt.
9 - xlnx,bus-width : Axi buswidth in bits. Should contain 128 or 64
10 - clock-names : List of input clocks "clk_main", "clk_apb"
14 - dma-coherent : Present if dma operations are coherent.
18 fpd_dma_chan1: dma@fd500000 {
19 compatible = "xlnx,zynqmp-dma-1.0";
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/dma/xilinx/ |
| D | zynqmp_dma.txt | 1 Xilinx ZynqMP DMA engine, it does support memory to memory transfers,
3 control and rate control support for slave/peripheral dma access.
6 - compatible : Should be "xlnx,zynqmp-dma-1.0"
7 - reg : Memory map for gdma/adma module access.
8 - interrupts : Should contain DMA channel interrupt.
9 - xlnx,bus-width : Axi buswidth in bits. Should contain 128 or 64
10 - clock-names : List of input clocks "clk_main", "clk_apb"
14 - dma-coherent : Present if dma operations are coherent.
18 fpd_dma_chan1: dma@fd500000 {
19 compatible = "xlnx,zynqmp-dma-1.0";
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| /kernel/linux/linux-5.10/kernel/dma/ |
| D | coherent.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Coherent per-device memory handling.
10 #include <linux/dma-direct.h>
11 #include <linux/dma-map-ops.h>
27 if (dev && dev->dma_mem) in dev_get_coherent_memory()
28 return dev->dma_mem; in dev_get_coherent_memory()
35 if (mem->use_dev_dma_pfn_offset) in dma_get_device_base()
36 return phys_to_dma(dev, PFN_PHYS(mem->pfn_base)); in dma_get_device_base()
37 return mem->device_base; in dma_get_device_base()
51 ret = -EINVAL; in dma_init_coherent_memory()
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/dma/ |
| D | apm-xgene-dma.txt | 1 Applied Micro X-Gene SoC DMA nodes
3 DMA nodes are defined to describe on-chip DMA interfaces in
4 APM X-Gene SoC.
6 Required properties for DMA interfaces:
7 - compatible: Should be "apm,xgene-dma".
8 - device_type: set to "dma".
9 - reg: Address and length of the register set for the device.
11 1st - DMA control and status register address space.
12 2nd - Descriptor ring control and status register address space.
13 3rd - Descriptor ring command register address space.
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| /kernel/linux/linux-4.19/Documentation/devicetree/bindings/dma/ |
| D | apm-xgene-dma.txt | 1 Applied Micro X-Gene SoC DMA nodes
3 DMA nodes are defined to describe on-chip DMA interfaces in
4 APM X-Gene SoC.
6 Required properties for DMA interfaces:
7 - compatible: Should be "apm,xgene-dma".
8 - device_type: set to "dma".
9 - reg: Address and length of the register set for the device.
11 1st - DMA control and status register address space.
12 2nd - Descriptor ring control and status register address space.
13 3rd - Descriptor ring command register address space.
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| /kernel/linux/linux-4.19/kernel/dma/ |
| D | mapping.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * arch-independent dma-mapping routines
10 #include <linux/dma-mapping.h>
18 * Managed DMA API
31 dma_free_attrs(dev, this->size, this->vaddr, this->dma_handle, in dmam_release()
32 this->attrs); in dmam_release()
39 if (this->vaddr == match->vaddr) { in dmam_match()
40 WARN_ON(this->size != match->size || in dmam_match()
41 this->dma_handle != match->dma_handle); in dmam_match()
48 * dmam_alloc_coherent - Managed dma_alloc_coherent()
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| D | coherent.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Coherent per-device memory handling.
10 #include <linux/dma-mapping.h>
27 if (dev && dev->dma_mem) in dev_get_coherent_memory()
28 return dev->dma_mem; in dev_get_coherent_memory()
35 if (mem->use_dev_dma_pfn_offset) in dma_get_device_base()
36 return (mem->pfn_base - dev->dma_pfn_offset) << PAGE_SHIFT; in dma_get_device_base()
38 return mem->device_base; in dma_get_device_base()
52 ret = -EINVAL; in dma_init_coherent_memory()
58 ret = -EINVAL; in dma_init_coherent_memory()
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/crypto/ |
| D | ti,sa2ul.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Tero Kristo <t-kristo@ti.com>
15 - ti,j721e-sa2ul
16 - ti,am654-sa2ul
21 power-domains:
26 - description: TX DMA Channel
27 - description: RX DMA Channel #1
28 - description: RX DMA Channel #2
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| /kernel/linux/linux-5.10/arch/arm/mm/ |
| D | dma-mapping-nommu.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Based on linux/arch/arm/mm/dma-mapping.c
5 * Copyright (C) 2000-2004 Russell King
10 #include <linux/dma-direct.h>
11 #include <linux/dma-map-ops.h>
19 #include "dma.h"
23 * - MMU/MPU is off
24 * - cpu is v7m w/o cache support
25 * - device is coherent
28 * arm_nommu_dma_ops rely on consistent DMA memory (please, refer to
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| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | bcm-nsp.dtsi | 33 #include <dt-bindings/interrupt-controller/arm-gic.h>
34 #include <dt-bindings/interrupt-controller/irq.h>
35 #include <dt-bindings/clock/bcm-nsp.h>
38 #address-cells = <1>;
39 #size-cells = <1>;
42 interrupt-parent = <&gic>;
53 #address-cells = <1>;
54 #size-cells = <0>;
58 compatible = "arm,cortex-a9";
59 next-level-cache = <&L2>;
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| /kernel/linux/linux-5.10/arch/arm64/boot/dts/broadcom/stingray/ |
| D | stingray-usb.dtsi | 1 // SPDX-License-Identifier: (GPL-2.0 or BSD-3-Clause)
6 compatible = "simple-bus";
7 #address-cells = <2>;
8 #size-cells = <2>;
13 * to 40-bit
15 dma-ranges = <0 0 0 0 0x100 0x0>;
17 usbphy0: usb-phy@0 {
18 compatible = "brcm,sr-usb-combo-phy";
20 #phy-cells = <1>;
25 compatible = "generic-xhci";
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| /kernel/linux/linux-5.10/arch/arc/plat-hsdk/ |
| D | platform.c | 1 // SPDX-License-Identifier: GPL-2.0-only
36 * --------------------- in hsdk_enable_gpio_intc_wire()
37 * | snps,archs-intc | in hsdk_enable_gpio_intc_wire()
38 * --------------------- in hsdk_enable_gpio_intc_wire()
40 * ---------------------- in hsdk_enable_gpio_intc_wire()
41 * | snps,archs-idu-intc | in hsdk_enable_gpio_intc_wire()
42 * ---------------------- in hsdk_enable_gpio_intc_wire()
46 * ------------------- in hsdk_enable_gpio_intc_wire()
47 * | snps,dw-apb-intc | in hsdk_enable_gpio_intc_wire()
48 * ------------------- in hsdk_enable_gpio_intc_wire()
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| /kernel/linux/linux-4.19/arch/arm/boot/dts/ |
| D | bcm-nsp.dtsi | 33 #include <dt-bindings/interrupt-controller/arm-gic.h>
34 #include <dt-bindings/interrupt-controller/irq.h>
35 #include <dt-bindings/clock/bcm-nsp.h>
42 interrupt-parent = <&gic>;
45 #address-cells = <1>;
46 #size-cells = <0>;
50 compatible = "arm,cortex-a9";
51 next-level-cache = <&L2>;
57 compatible = "arm,cortex-a9";
58 next-level-cache = <&L2>;
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| /kernel/linux/linux-5.10/drivers/of/ |
| D | device.c | 1 // SPDX-License-Identifier: GPL-2.0
8 #include <linux/dma-direct.h> /* for bus_dma_region */
9 #include <linux/dma-map-ops.h>
20 * of_match_device - Tell if a struct device matches an of_device_id list
30 if ((!matches) || (!dev->of_node)) in of_match_device()
32 return of_match_node(matches, dev->of_node); in of_match_device()
42 tmp = get_device(&dev->dev); in of_dev_get()
53 put_device(&dev->dev); in of_dev_put()
59 BUG_ON(ofdev->dev.of_node == NULL); in of_device_add()
63 ofdev->name = dev_name(&ofdev->dev); in of_device_add()
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| /kernel/linux/linux-4.19/arch/arm64/mm/ |
| D | dma-mapping.c | 2 * SWIOTLB-based DMA API implementation
27 #include <linux/dma-direct.h>
28 #include <linux/dma-contiguous.h>
38 bool coherent) in __get_dma_pgprot() argument
40 if (!coherent || (attrs & DMA_ATTR_WRITE_COMBINE)) in __get_dma_pgprot()
63 WARN(1, "coherent pool not initialised!\n"); in __alloc_from_pool()
100 bool coherent = is_device_dma_coherent(dev); in __dma_alloc() local
105 if (!coherent && !gfpflags_allow_blocking(flags)) { in __dma_alloc()
119 /* no need for non-cacheable mapping if coherent */ in __dma_alloc()
120 if (coherent) in __dma_alloc()
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