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 tristate "Altera / Intel mSGDMA Engine"
63 Enable support for Altera / Intel mSGDMA controller.
66 bool "ARM PrimeCell PL080 or PL081 support"
69 select DMA_VIRTUAL_CHANNELS
71 Say yes if your platform has a PL08x DMAC device which can
72 provide DMA engine support. This includes the original ARM
73 PL080 and PL081, Samsungs PL080 derivative and Faraday
74 Technology's FTDMAC020 PL080 derivative.
76 config AMCC_PPC440SPE_ADMA
77 tristate "AMCC PPC440SPe ADMA support"
78 depends on 440SPe || 440SP
80 select DMA_ENGINE_RAID
81 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
82 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
84 Enable support for the AMCC PPC440SPe RAID engines.
87 tristate "Atmel AHB DMA support"
91 Support the Atmel AHB DMA controller.
94 tristate "Atmel XDMA support"
98 Support the Atmel XDMA controller.
101 tristate "Analog Devices AXI-DMAC DMA support"
102 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_SOCFPGA || COMPILE_TEST
104 select DMA_VIRTUAL_CHANNELS
106 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
107 controller is often used in Analog Device's reference designs for FPGA
111 tristate "Broadcom SBA RAID engine support"
112 depends on ARM64 || COMPILE_TEST
113 depends on MAILBOX && RAID6_PQ
115 select DMA_ENGINE_RAID
116 select ASYNC_TX_DISABLE_XOR_VAL_DMA
117 select ASYNC_TX_DISABLE_PQ_VAL_DMA
118 default m if ARCH_BCM_IPROC
120 Enable support for Broadcom SBA RAID Engine. The SBA RAID
121 engine is available on most of the Broadcom iProc SoCs. It
122 has the capability to offload memcpy, xor and pq computation
126 bool "ST-Ericsson COH901318 DMA support"
128 depends on ARCH_U300 || COMPILE_TEST
130 Enable support for ST-Ericsson COH 901 318 DMA.
133 tristate "BCM2835 DMA engine support"
134 depends on ARCH_BCM2835
136 select DMA_VIRTUAL_CHANNELS
139 tristate "JZ4740 DMA support"
140 depends on MACH_JZ4740 || COMPILE_TEST
142 select DMA_VIRTUAL_CHANNELS
145 tristate "JZ4780 DMA support"
146 depends on MACH_JZ4780 || COMPILE_TEST
148 select DMA_VIRTUAL_CHANNELS
150 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
151 If you have a board based on such a SoC and wish to use DMA for
152 devices which can use the DMA controller, say Y or M here.
155 tristate "OMAP DMA support"
156 depends on ARCH_OMAP || COMPILE_TEST
158 select DMA_VIRTUAL_CHANNELS
159 select TI_DMA_CROSSBAR if (SOC_DRA7XX || COMPILE_TEST)
162 tristate "SA-11x0 DMA support"
163 depends on ARCH_SA1100 || COMPILE_TEST
165 select DMA_VIRTUAL_CHANNELS
167 Support the DMA engine found on Intel StrongARM SA-1100 and
168 SA-1110 SoCs. This DMA engine can only be used with on-chip
172 tristate "Allwinner A10 DMA SoCs support"
173 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
174 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
176 select DMA_VIRTUAL_CHANNELS
178 Enable support for the DMA controller present in the sun4i,
179 sun5i and sun7i Allwinner ARM SoCs.
182 tristate "Allwinner A31 SoCs DMA support"
183 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
184 depends on RESET_CONTROLLER
186 select DMA_VIRTUAL_CHANNELS
188 Support for the DMA engine first found in Allwinner A31 SoCs.
191 bool "Cirrus Logic EP93xx DMA support"
192 depends on ARCH_EP93XX || COMPILE_TEST
195 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
198 tristate "Freescale Elo series DMA support"
201 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
203 Enable support for the Freescale Elo series DMA controllers.
204 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
205 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
206 some Txxx and Bxxx parts.
209 tristate "Freescale eDMA engine support"
212 select DMA_VIRTUAL_CHANNELS
214 Support the Freescale eDMA engine with programmable channel
215 multiplexing capability for DMA request sources(slot).
216 This module can be found on Freescale Vybrid and LS-1 SoCs.
219 tristate "Freescale RAID engine Support"
220 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
222 select DMA_ENGINE_RAID
224 Enable support for Freescale RAID Engine. RAID Engine is
225 available on some QorIQ SoCs (like P5020/P5040). It has
226 the capability to offload memcpy, xor and pq computation
230 tristate "IMG MDC support"
231 depends on MIPS || COMPILE_TEST
232 depends on MFD_SYSCON
234 select DMA_VIRTUAL_CHANNELS
236 Enable support for the IMG multi-threaded DMA controller (MDC).
239 tristate "i.MX DMA support"
243 Support the i.MX DMA engine. This engine is integrated into
244 Freescale i.MX1/21/27 chips.
247 tristate "i.MX SDMA support"
251 Support the i.MX SDMA engine. This engine is integrated into
252 Freescale i.MX25/31/35/51/53/6 chips.
255 tristate "Intel integrated DMA 64-bit support"
257 select DMA_VIRTUAL_CHANNELS
259 Enable DMA support for Intel Low Power Subsystem such as found on
263 tristate "Intel I/OAT DMA support"
264 depends on PCI && X86_64
266 select DMA_ENGINE_RAID
269 Enable support for the Intel(R) I/OAT DMA engine present
270 in recent Intel Xeon chipsets.
272 Say Y here if you have such a chipset.
276 config INTEL_IOP_ADMA
277 tristate "Intel IOP ADMA support"
278 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
280 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
282 Enable support for the Intel(R) IOP Series RAID engines.
284 config INTEL_MIC_X100_DMA
285 tristate "Intel MIC X100 DMA Driver"
286 depends on 64BIT && X86 && INTEL_MIC_BUS
289 This enables DMA support for the Intel Many Integrated Core
290 (MIC) family of PCIe form factor coprocessor X100 devices that
291 run a 64 bit Linux OS. This driver will be used by both MIC
292 host and card drivers.
294 If you are building host kernel with a MIC device or a card
295 kernel for a MIC device, then say M (recommended) or Y, else
296 say N. If unsure say N.
298 More information about the Intel MIC family as well as the Linux
299 OS and tools for MIC to use with this driver are available from
300 <http://software.intel.com/en-us/mic-developer>.
303 tristate "Hisilicon K3 DMA support"
304 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
306 select DMA_VIRTUAL_CHANNELS
308 Support the DMA engine for Hisilicon K3 platform
311 config LPC18XX_DMAMUX
312 bool "NXP LPC18xx/43xx DMA MUX for PL080"
313 depends on ARCH_LPC18XX || COMPILE_TEST
314 depends on OF && AMBA_PL08X
317 Enable support for DMA on NXP LPC18xx/43xx platforms
318 with PL080 and multiplexed DMA request lines.
321 bool "MMP PDMA support"
322 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
325 Support the MMP PDMA engine for PXA and MMP platform.
328 bool "MMP Two-Channel DMA support"
329 depends on ARCH_MMP || COMPILE_TEST
331 select MMP_SRAM if ARCH_MMP
332 select GENERIC_ALLOCATOR
334 Support the MMP Two-Channel DMA engine.
335 This engine used for MMP Audio DMA and pxa910 SQU.
336 It needs sram driver under mach-mmp.
339 tristate "MOXART DMA support"
340 depends on ARCH_MOXART
342 select DMA_VIRTUAL_CHANNELS
344 Enable support for the MOXA ART SoC DMA controller.
346 Say Y here if you enabled MMP ADMA, otherwise say N.
349 tristate "Freescale MPC512x built-in DMA engine support"
350 depends on PPC_MPC512x || PPC_MPC831x
353 Enable support for the Freescale MPC512x built-in DMA engine.
356 bool "Marvell XOR engine support"
357 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
359 select DMA_ENGINE_RAID
360 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
362 Enable support for the Marvell XOR engine.
365 bool "Marvell XOR engine version 2 support "
368 select DMA_ENGINE_RAID
369 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
370 select GENERIC_MSI_IRQ_DOMAIN
372 Enable support for the Marvell version 2 XOR engine.
374 This engine provides acceleration for copy, XOR and RAID6
375 operations, and is available on Marvell Armada 7K and 8K
379 bool "MXS DMA support"
380 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
384 Support the MXS DMA engine. This engine including APBH-DMA
385 and APBX-DMA is integrated into some Freescale chips.
388 bool "MX3x Image Processing Unit support"
393 If you plan to use the Image Processing unit in the i.MX3x, say
394 Y here. If unsure, select Y.
397 int "Number of dynamically mapped interrupts for IPU"
402 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
403 To avoid bloating the irq_desc[] array we allocate a sufficient
404 number of IRQ slots and map them dynamically to specific sources.
407 tristate "Renesas Type-AXI NBPF DMA support"
409 depends on ARM || COMPILE_TEST
411 Support for "Type-AXI" NBPF DMA IPs from Renesas
414 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
415 depends on PCI && (X86_32 || COMPILE_TEST)
418 Enable support for Intel EG20T PCH DMA engine.
420 This driver also can be used for LAPIS Semiconductor IOH(Input/
421 Output Hub), ML7213, ML7223 and ML7831.
422 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
423 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
424 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
425 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
428 tristate "DMA API Driver for PL330"
432 Select if your platform has one or more PL330 DMACs.
433 You need to provide platform specific settings via
434 platform_data for a dma-pl330 device.
437 bool "PXA DMA support"
438 depends on (ARCH_MMP || ARCH_PXA)
440 select DMA_VIRTUAL_CHANNELS
442 Support the DMA engine for PXA. It is also compatible with MMP PDMA
443 platform. The internal DMA IP of all PXA variants is supported, with
444 16 to 32 channels for peripheral to memory or memory to memory
448 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
452 Enable support for the CSR SiRFprimaII DMA engine.
455 bool "ST-Ericsson DMA40 support"
456 depends on ARCH_U8500
459 Support for ST-Ericsson DMA40 controller
462 tristate "ST FDMA dmaengine support"
464 depends on REMOTEPROC
465 select ST_SLIM_REMOTEPROC
467 select DMA_VIRTUAL_CHANNELS
469 Enable support for ST FDMA controller.
470 It supports 16 independent DMA channels, accepts up to 32 DMA requests
472 Say Y here if you have such a chipset.
476 bool "STMicroelectronics STM32 DMA support"
477 depends on ARCH_STM32 || COMPILE_TEST
479 select DMA_VIRTUAL_CHANNELS
481 Enable support for the on-chip DMA controller on STMicroelectronics
483 If you have a board based on such a MCU and wish to use DMA say Y
487 bool "STMicroelectronics STM32 dma multiplexer support"
488 depends on STM32_DMA || COMPILE_TEST
490 Enable support for the on-chip DMA multiplexer on STMicroelectronics
492 If you have a board based on such a MCU and wish to use DMAMUX say Y
496 bool "STMicroelectronics STM32 master dma support"
497 depends on ARCH_STM32 || COMPILE_TEST
500 select DMA_VIRTUAL_CHANNELS
502 Enable support for the on-chip MDMA controller on STMicroelectronics
504 If you have a board based on STM32 SoC and wish to use the master DMA
508 tristate "Spreadtrum DMA support"
509 depends on ARCH_SPRD || COMPILE_TEST
511 select DMA_VIRTUAL_CHANNELS
513 Enable support for the on-chip DMA controller on Spreadtrum platform.
516 bool "Samsung S3C24XX DMA support"
517 depends on ARCH_S3C24XX || COMPILE_TEST
519 select DMA_VIRTUAL_CHANNELS
521 Support for the Samsung S3C24XX DMA controller driver. The
522 DMA controller is having multiple DMA channels which can be
523 configured for different peripherals like audio, UART, SPI.
524 The DMA controller can transfer data from memory to peripheral,
525 periphal to memory, periphal to periphal and memory to memory.
528 tristate "Toshiba TXx9 SoC DMA support"
529 depends on MACH_TX49XX || MACH_TX39XX
532 Support the TXx9 SoC internal DMA controller. This can be
533 integrated in chips such as the Toshiba TX4927/38/39.
535 config TEGRA20_APB_DMA
536 bool "NVIDIA Tegra20 APB DMA support"
537 depends on ARCH_TEGRA
540 Support for the NVIDIA Tegra20 APB DMA controller driver. The
541 DMA controller is having multiple DMA channel which can be
542 configured for different peripherals like audio, UART, SPI,
543 I2C etc which is in APB bus.
544 This DMA controller transfers data from memory to peripheral fifo
545 or vice versa. It does not support memory to memory data transfer.
548 tristate "NVIDIA Tegra210 ADMA support"
549 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK
551 select DMA_VIRTUAL_CHANNELS
553 Support for the NVIDIA Tegra210 ADMA controller driver. The
554 DMA controller has multiple DMA channels and is used to service
555 various audio clients in the Tegra210 audio processing engine
556 (APE). This DMA controller transfers data from memory to
557 peripheral and vice versa. It does not support memory to
558 memory data transfer.
561 tristate "Timberdale FPGA DMA support"
562 depends on MFD_TIMBERDALE || COMPILE_TEST
565 Enable support for the Timberdale FPGA DMA engine.
568 tristate "CPPI 4.1 DMA support"
569 depends on (ARCH_OMAP || ARCH_DAVINCI_DA8XX)
572 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
573 is currently used by the USB driver on AM335x and DA8xx platforms.
575 config TI_DMA_CROSSBAR
579 bool "TI EDMA support"
580 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE || COMPILE_TEST
582 select DMA_VIRTUAL_CHANNELS
583 select TI_DMA_CROSSBAR if (ARCH_OMAP || COMPILE_TEST)
586 Enable support for the TI EDMA controller. This DMA
587 engine is found on TI DaVinci and AM33xx parts.
590 tristate "APM X-Gene DMA support"
591 depends on ARCH_XGENE || COMPILE_TEST
593 select DMA_ENGINE_RAID
594 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
596 Enable support for the APM X-Gene SoC DMA engine.
599 tristate "Xilinx AXI DMAS Engine"
600 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
603 Enable support for Xilinx AXI VDMA Soft IP.
605 AXI VDMA engine provides high-bandwidth direct memory access
606 between memory and AXI4-Stream video type target
607 peripherals including peripherals which support AXI4-
608 Stream Video Protocol. It has two stream interfaces/
609 channels, Memory Mapped to Stream (MM2S) and Stream to
610 Memory Mapped (S2MM) for the data transfers.
611 AXI CDMA engine provides high-bandwidth direct memory access
612 between a memory-mapped source address and a memory-mapped
614 AXI DMA engine provides high-bandwidth one dimensional direct
615 memory access between memory and AXI4-Stream target peripherals.
617 config XILINX_ZYNQMP_DMA
618 tristate "Xilinx ZynqMP DMA Engine"
619 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
622 Enable support for Xilinx ZynqMP DMA controller.
625 tristate "ZTE ZX DMA support"
626 depends on ARCH_ZX || COMPILE_TEST
628 select DMA_VIRTUAL_CHANNELS
630 Support the DMA engine for ZTE ZX family platform devices.
634 source "drivers/dma/bestcomm/Kconfig"
636 source "drivers/dma/qcom/Kconfig"
638 source "drivers/dma/dw/Kconfig"
640 source "drivers/dma/hsu/Kconfig"
642 source "drivers/dma/sh/Kconfig"
645 comment "DMA Clients"
646 depends on DMA_ENGINE
649 bool "Async_tx: Offload support for the async_tx api"
650 depends on DMA_ENGINE
652 This allows the async_tx api to take advantage of offload engines for
653 memcpy, memset, xor, and raid6 p+q operations. If your platform has
654 a dma engine that can perform raid operations and you have enabled
660 tristate "DMA Test client"
661 depends on DMA_ENGINE
662 select DMA_ENGINE_RAID
664 Simple DMA test client. Say N unless you're debugging a
667 config DMA_ENGINE_RAID