2 # DMA engine configuration
6 bool "DMA Engine support"
9 DMA engines can do asynchronous data transfers without
10 involving the host CPU. Currently, this framework can be
11 used to offload memory copies in the network stack and
12 RAID operations in the MD driver. This menu only presents
13 DMA Device drivers supported by the configured arch, it may
14 be empty in some cases.
16 config DMADEVICES_DEBUG
17 bool "DMA Engine debugging"
18 depends on DMADEVICES != n
20 This is an option for use by developers; most people should
21 say N here. This enables DMA engine core and driver debugging.
23 config DMADEVICES_VDEBUG
24 bool "DMA Engine verbose debugging"
25 depends on DMADEVICES_DEBUG != n
27 This is an option for use by developers; most people should
28 say N here. This enables deeper (more verbose) debugging of
29 the DMA engine core and drivers.
37 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
40 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
46 config DMA_VIRTUAL_CHANNELS
60 bool "ARM PrimeCell PL080 or PL081 support"
63 select DMA_VIRTUAL_CHANNELS
65 Platform has a PL08x DMAC device
66 which can provide DMA engine support
68 config AMCC_PPC440SPE_ADMA
69 tristate "AMCC PPC440SPe ADMA support"
70 depends on 440SPe || 440SP
72 select DMA_ENGINE_RAID
73 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
74 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
76 Enable support for the AMCC PPC440SPe RAID engines.
79 tristate "Atmel AHB DMA support"
83 Support the Atmel AHB DMA controller.
86 tristate "Atmel XDMA support"
90 Support the Atmel XDMA controller.
93 tristate "Analog Devices AXI-DMAC DMA support"
94 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_SOCFPGA || COMPILE_TEST
96 select DMA_VIRTUAL_CHANNELS
98 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
99 controller is often used in Analog Device's reference designs for FPGA
103 bool "ST-Ericsson COH901318 DMA support"
105 depends on ARCH_U300 || COMPILE_TEST
107 Enable support for ST-Ericsson COH 901 318 DMA.
110 tristate "BCM2835 DMA engine support"
111 depends on ARCH_BCM2835
113 select DMA_VIRTUAL_CHANNELS
116 tristate "JZ4740 DMA support"
117 depends on MACH_JZ4740 || COMPILE_TEST
119 select DMA_VIRTUAL_CHANNELS
122 tristate "JZ4780 DMA support"
123 depends on MACH_JZ4780 || COMPILE_TEST
125 select DMA_VIRTUAL_CHANNELS
127 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
128 If you have a board based on such a SoC and wish to use DMA for
129 devices which can use the DMA controller, say Y or M here.
132 tristate "OMAP DMA support"
133 depends on ARCH_OMAP || COMPILE_TEST
135 select DMA_VIRTUAL_CHANNELS
136 select TI_DMA_CROSSBAR if (SOC_DRA7XX || COMPILE_TEST)
139 tristate "SA-11x0 DMA support"
140 depends on ARCH_SA1100 || COMPILE_TEST
142 select DMA_VIRTUAL_CHANNELS
144 Support the DMA engine found on Intel StrongARM SA-1100 and
145 SA-1110 SoCs. This DMA engine can only be used with on-chip
149 tristate "Allwinner A10 DMA SoCs support"
150 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
151 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
153 select DMA_VIRTUAL_CHANNELS
155 Enable support for the DMA controller present in the sun4i,
156 sun5i and sun7i Allwinner ARM SoCs.
159 tristate "Allwinner A31 SoCs DMA support"
160 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
161 depends on RESET_CONTROLLER
163 select DMA_VIRTUAL_CHANNELS
165 Support for the DMA engine first found in Allwinner A31 SoCs.
168 bool "Cirrus Logic EP93xx DMA support"
169 depends on ARCH_EP93XX || COMPILE_TEST
172 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
175 tristate "Freescale Elo series DMA support"
178 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
180 Enable support for the Freescale Elo series DMA controllers.
181 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
182 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
183 some Txxx and Bxxx parts.
186 tristate "Freescale eDMA engine support"
189 select DMA_VIRTUAL_CHANNELS
191 Support the Freescale eDMA engine with programmable channel
192 multiplexing capability for DMA request sources(slot).
193 This module can be found on Freescale Vybrid and LS-1 SoCs.
196 tristate "Freescale RAID engine Support"
197 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
199 select DMA_ENGINE_RAID
201 Enable support for Freescale RAID Engine. RAID Engine is
202 available on some QorIQ SoCs (like P5020/P5040). It has
203 the capability to offload memcpy, xor and pq computation
207 tristate "IMG MDC support"
208 depends on MIPS || COMPILE_TEST
209 depends on MFD_SYSCON
211 select DMA_VIRTUAL_CHANNELS
213 Enable support for the IMG multi-threaded DMA controller (MDC).
216 tristate "i.MX DMA support"
220 Support the i.MX DMA engine. This engine is integrated into
221 Freescale i.MX1/21/27 chips.
224 tristate "i.MX SDMA support"
228 Support the i.MX SDMA engine. This engine is integrated into
229 Freescale i.MX25/31/35/51/53/6 chips.
232 tristate "Intel integrated DMA 64-bit support"
234 select DMA_VIRTUAL_CHANNELS
236 Enable DMA support for Intel Low Power Subsystem such as found on
240 tristate "Intel I/OAT DMA support"
241 depends on PCI && X86_64
243 select DMA_ENGINE_RAID
246 Enable support for the Intel(R) I/OAT DMA engine present
247 in recent Intel Xeon chipsets.
249 Say Y here if you have such a chipset.
253 config INTEL_IOP_ADMA
254 tristate "Intel IOP ADMA support"
255 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
257 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
259 Enable support for the Intel(R) IOP Series RAID engines.
261 config INTEL_MIC_X100_DMA
262 tristate "Intel MIC X100 DMA Driver"
263 depends on 64BIT && X86 && INTEL_MIC_BUS
266 This enables DMA support for the Intel Many Integrated Core
267 (MIC) family of PCIe form factor coprocessor X100 devices that
268 run a 64 bit Linux OS. This driver will be used by both MIC
269 host and card drivers.
271 If you are building host kernel with a MIC device or a card
272 kernel for a MIC device, then say M (recommended) or Y, else
273 say N. If unsure say N.
275 More information about the Intel MIC family as well as the Linux
276 OS and tools for MIC to use with this driver are available from
277 <http://software.intel.com/en-us/mic-developer>.
280 tristate "Hisilicon K3 DMA support"
281 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
283 select DMA_VIRTUAL_CHANNELS
285 Support the DMA engine for Hisilicon K3 platform
288 config LPC18XX_DMAMUX
289 bool "NXP LPC18xx/43xx DMA MUX for PL080"
290 depends on ARCH_LPC18XX || COMPILE_TEST
291 depends on OF && AMBA_PL08X
294 Enable support for DMA on NXP LPC18xx/43xx platforms
295 with PL080 and multiplexed DMA request lines.
298 bool "MMP PDMA support"
299 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
302 Support the MMP PDMA engine for PXA and MMP platform.
305 bool "MMP Two-Channel DMA support"
306 depends on ARCH_MMP || COMPILE_TEST
308 select MMP_SRAM if ARCH_MMP
309 select GENERIC_ALLOCATOR
311 Support the MMP Two-Channel DMA engine.
312 This engine used for MMP Audio DMA and pxa910 SQU.
313 It needs sram driver under mach-mmp.
316 tristate "MOXART DMA support"
317 depends on ARCH_MOXART
319 select DMA_VIRTUAL_CHANNELS
321 Enable support for the MOXA ART SoC DMA controller.
323 Say Y here if you enabled MMP ADMA, otherwise say N.
326 tristate "Freescale MPC512x built-in DMA engine support"
327 depends on PPC_MPC512x || PPC_MPC831x
330 Enable support for the Freescale MPC512x built-in DMA engine.
333 bool "Marvell XOR engine support"
334 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
336 select DMA_ENGINE_RAID
337 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
339 Enable support for the Marvell XOR engine.
342 bool "Marvell XOR engine version 2 support "
345 select DMA_ENGINE_RAID
346 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
347 select GENERIC_MSI_IRQ_DOMAIN
349 Enable support for the Marvell version 2 XOR engine.
351 This engine provides acceleration for copy, XOR and RAID6
352 operations, and is available on Marvell Armada 7K and 8K
356 bool "MXS DMA support"
357 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q || SOC_IMX6UL
361 Support the MXS DMA engine. This engine including APBH-DMA
362 and APBX-DMA is integrated into Freescale
363 i.MX23/28/MX6Q/MX6DL/MX6UL chips.
366 bool "MX3x Image Processing Unit support"
371 If you plan to use the Image Processing unit in the i.MX3x, say
372 Y here. If unsure, select Y.
375 int "Number of dynamically mapped interrupts for IPU"
380 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
381 To avoid bloating the irq_desc[] array we allocate a sufficient
382 number of IRQ slots and map them dynamically to specific sources.
385 tristate "Renesas Type-AXI NBPF DMA support"
387 depends on ARM || COMPILE_TEST
389 Support for "Type-AXI" NBPF DMA IPs from Renesas
392 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
393 depends on PCI && (X86_32 || COMPILE_TEST)
396 Enable support for Intel EG20T PCH DMA engine.
398 This driver also can be used for LAPIS Semiconductor IOH(Input/
399 Output Hub), ML7213, ML7223 and ML7831.
400 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
401 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
402 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
403 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
406 tristate "DMA API Driver for PL330"
410 Select if your platform has one or more PL330 DMACs.
411 You need to provide platform specific settings via
412 platform_data for a dma-pl330 device.
415 bool "PXA DMA support"
416 depends on (ARCH_MMP || ARCH_PXA)
418 select DMA_VIRTUAL_CHANNELS
420 Support the DMA engine for PXA. It is also compatible with MMP PDMA
421 platform. The internal DMA IP of all PXA variants is supported, with
422 16 to 32 channels for peripheral to memory or memory to memory
426 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
430 Enable support for the CSR SiRFprimaII DMA engine.
433 bool "ST-Ericsson DMA40 support"
434 depends on ARCH_U8500
437 Support for ST-Ericsson DMA40 controller
440 tristate "ST FDMA dmaengine support"
442 depends on REMOTEPROC
443 select ST_SLIM_REMOTEPROC
445 select DMA_VIRTUAL_CHANNELS
447 Enable support for ST FDMA controller.
448 It supports 16 independent DMA channels, accepts up to 32 DMA requests
450 Say Y here if you have such a chipset.
454 bool "STMicroelectronics STM32 DMA support"
455 depends on ARCH_STM32 || COMPILE_TEST
457 select DMA_VIRTUAL_CHANNELS
459 Enable support for the on-chip DMA controller on STMicroelectronics
461 If you have a board based on such a MCU and wish to use DMA say Y or M
465 bool "Samsung S3C24XX DMA support"
466 depends on ARCH_S3C24XX || COMPILE_TEST
468 select DMA_VIRTUAL_CHANNELS
470 Support for the Samsung S3C24XX DMA controller driver. The
471 DMA controller is having multiple DMA channels which can be
472 configured for different peripherals like audio, UART, SPI.
473 The DMA controller can transfer data from memory to peripheral,
474 periphal to memory, periphal to periphal and memory to memory.
477 tristate "Toshiba TXx9 SoC DMA support"
478 depends on MACH_TX49XX || MACH_TX39XX
481 Support the TXx9 SoC internal DMA controller. This can be
482 integrated in chips such as the Toshiba TX4927/38/39.
484 config TEGRA20_APB_DMA
485 bool "NVIDIA Tegra20 APB DMA support"
486 depends on ARCH_TEGRA
489 Support for the NVIDIA Tegra20 APB DMA controller driver. The
490 DMA controller is having multiple DMA channel which can be
491 configured for different peripherals like audio, UART, SPI,
492 I2C etc which is in APB bus.
493 This DMA controller transfers data from memory to peripheral fifo
494 or vice versa. It does not support memory to memory data transfer.
497 tristate "NVIDIA Tegra210 ADMA support"
498 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK
500 select DMA_VIRTUAL_CHANNELS
502 Support for the NVIDIA Tegra210 ADMA controller driver. The
503 DMA controller has multiple DMA channels and is used to service
504 various audio clients in the Tegra210 audio processing engine
505 (APE). This DMA controller transfers data from memory to
506 peripheral and vice versa. It does not support memory to
507 memory data transfer.
510 tristate "Timberdale FPGA DMA support"
511 depends on MFD_TIMBERDALE || COMPILE_TEST
514 Enable support for the Timberdale FPGA DMA engine.
517 tristate "AM33xx CPPI41 DMA support"
521 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
522 is currently used by the USB driver on AM335x platforms.
524 config TI_DMA_CROSSBAR
528 bool "TI EDMA support"
529 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE || COMPILE_TEST
531 select DMA_VIRTUAL_CHANNELS
532 select TI_DMA_CROSSBAR if (ARCH_OMAP || COMPILE_TEST)
535 Enable support for the TI EDMA controller. This DMA
536 engine is found on TI DaVinci and AM33xx parts.
539 tristate "APM X-Gene DMA support"
540 depends on ARCH_XGENE || COMPILE_TEST
542 select DMA_ENGINE_RAID
543 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
545 Enable support for the APM X-Gene SoC DMA engine.
548 tristate "Xilinx AXI DMAS Engine"
549 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
552 Enable support for Xilinx AXI VDMA Soft IP.
554 AXI VDMA engine provides high-bandwidth direct memory access
555 between memory and AXI4-Stream video type target
556 peripherals including peripherals which support AXI4-
557 Stream Video Protocol. It has two stream interfaces/
558 channels, Memory Mapped to Stream (MM2S) and Stream to
559 Memory Mapped (S2MM) for the data transfers.
560 AXI CDMA engine provides high-bandwidth direct memory access
561 between a memory-mapped source address and a memory-mapped
563 AXI DMA engine provides high-bandwidth one dimensional direct
564 memory access between memory and AXI4-Stream target peripherals.
566 config XILINX_ZYNQMP_DMA
567 tristate "Xilinx ZynqMP DMA Engine"
568 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
571 Enable support for Xilinx ZynqMP DMA controller.
574 tristate "ZTE ZX296702 DMA support"
575 depends on ARCH_ZX || COMPILE_TEST
577 select DMA_VIRTUAL_CHANNELS
579 Support the DMA engine for ZTE ZX296702 platform devices.
583 source "drivers/dma/bestcomm/Kconfig"
585 source "drivers/dma/qcom/Kconfig"
587 source "drivers/dma/dw/Kconfig"
589 source "drivers/dma/hsu/Kconfig"
591 source "drivers/dma/sh/Kconfig"
594 comment "DMA Clients"
595 depends on DMA_ENGINE
598 bool "Async_tx: Offload support for the async_tx api"
599 depends on DMA_ENGINE
601 This allows the async_tx api to take advantage of offload engines for
602 memcpy, memset, xor, and raid6 p+q operations. If your platform has
603 a dma engine that can perform raid operations and you have enabled
609 tristate "DMA Test client"
610 depends on DMA_ENGINE
612 Simple DMA test client. Say N unless you're debugging a
615 config DMA_ENGINE_RAID