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 "SA-11x0 DMA support"
156 depends on ARCH_SA1100 || COMPILE_TEST
158 select DMA_VIRTUAL_CHANNELS
160 Support the DMA engine found on Intel StrongARM SA-1100 and
161 SA-1110 SoCs. This DMA engine can only be used with on-chip
165 tristate "Allwinner A10 DMA SoCs support"
166 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
167 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
169 select DMA_VIRTUAL_CHANNELS
171 Enable support for the DMA controller present in the sun4i,
172 sun5i and sun7i Allwinner ARM SoCs.
175 tristate "Allwinner A31 SoCs DMA support"
176 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
177 depends on RESET_CONTROLLER
179 select DMA_VIRTUAL_CHANNELS
181 Support for the DMA engine first found in Allwinner A31 SoCs.
184 tristate "Synopsys DesignWare AXI DMA support"
185 depends on OF || COMPILE_TEST
187 select DMA_VIRTUAL_CHANNELS
189 Enable support for Synopsys DesignWare AXI DMA controller.
190 NOTE: This driver wasn't tested on 64 bit platform because
191 of lack 64 bit platform with Synopsys DW AXI DMAC.
194 bool "Cirrus Logic EP93xx DMA support"
195 depends on ARCH_EP93XX || COMPILE_TEST
198 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
201 tristate "Freescale Elo series DMA support"
204 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
206 Enable support for the Freescale Elo series DMA controllers.
207 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
208 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
209 some Txxx and Bxxx parts.
212 tristate "Freescale eDMA engine support"
215 select DMA_VIRTUAL_CHANNELS
217 Support the Freescale eDMA engine with programmable channel
218 multiplexing capability for DMA request sources(slot).
219 This module can be found on Freescale Vybrid and LS-1 SoCs.
222 tristate "Freescale RAID engine Support"
223 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
225 select DMA_ENGINE_RAID
227 Enable support for Freescale RAID Engine. RAID Engine is
228 available on some QorIQ SoCs (like P5020/P5040). It has
229 the capability to offload memcpy, xor and pq computation
233 tristate "IMG MDC support"
234 depends on MIPS || COMPILE_TEST
235 depends on MFD_SYSCON
237 select DMA_VIRTUAL_CHANNELS
239 Enable support for the IMG multi-threaded DMA controller (MDC).
242 tristate "i.MX DMA support"
246 Support the i.MX DMA engine. This engine is integrated into
247 Freescale i.MX1/21/27 chips.
250 tristate "i.MX SDMA support"
253 select DMA_VIRTUAL_CHANNELS
255 Support the i.MX SDMA engine. This engine is integrated into
256 Freescale i.MX25/31/35/51/53/6 chips.
259 tristate "Intel integrated DMA 64-bit support"
261 select DMA_VIRTUAL_CHANNELS
263 Enable DMA support for Intel Low Power Subsystem such as found on
267 tristate "Intel I/OAT DMA support"
268 depends on PCI && X86_64
270 select DMA_ENGINE_RAID
273 Enable support for the Intel(R) I/OAT DMA engine present
274 in recent Intel Xeon chipsets.
276 Say Y here if you have such a chipset.
280 config INTEL_IOP_ADMA
281 tristate "Intel IOP ADMA support"
282 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
284 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
286 Enable support for the Intel(R) IOP Series RAID engines.
288 config INTEL_MIC_X100_DMA
289 tristate "Intel MIC X100 DMA Driver"
290 depends on 64BIT && X86 && INTEL_MIC_BUS
293 This enables DMA support for the Intel Many Integrated Core
294 (MIC) family of PCIe form factor coprocessor X100 devices that
295 run a 64 bit Linux OS. This driver will be used by both MIC
296 host and card drivers.
298 If you are building host kernel with a MIC device or a card
299 kernel for a MIC device, then say M (recommended) or Y, else
300 say N. If unsure say N.
302 More information about the Intel MIC family as well as the Linux
303 OS and tools for MIC to use with this driver are available from
304 <http://software.intel.com/en-us/mic-developer>.
307 tristate "Hisilicon K3 DMA support"
308 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
310 select DMA_VIRTUAL_CHANNELS
312 Support the DMA engine for Hisilicon K3 platform
315 config LPC18XX_DMAMUX
316 bool "NXP LPC18xx/43xx DMA MUX for PL080"
317 depends on ARCH_LPC18XX || COMPILE_TEST
318 depends on OF && AMBA_PL08X
321 Enable support for DMA on NXP LPC18xx/43xx platforms
322 with PL080 and multiplexed DMA request lines.
325 bool "MMP PDMA support"
326 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
329 Support the MMP PDMA engine for PXA and MMP platform.
332 bool "MMP Two-Channel DMA support"
333 depends on ARCH_MMP || COMPILE_TEST
335 select MMP_SRAM if ARCH_MMP
336 select GENERIC_ALLOCATOR
338 Support the MMP Two-Channel DMA engine.
339 This engine used for MMP Audio DMA and pxa910 SQU.
340 It needs sram driver under mach-mmp.
343 tristate "MOXART DMA support"
344 depends on ARCH_MOXART
346 select DMA_VIRTUAL_CHANNELS
348 Enable support for the MOXA ART SoC DMA controller.
350 Say Y here if you enabled MMP ADMA, otherwise say N.
353 tristate "Freescale MPC512x built-in DMA engine support"
354 depends on PPC_MPC512x || PPC_MPC831x
357 Enable support for the Freescale MPC512x built-in DMA engine.
360 bool "Marvell XOR engine support"
361 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
363 select DMA_ENGINE_RAID
364 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
366 Enable support for the Marvell XOR engine.
369 bool "Marvell XOR engine version 2 support "
372 select DMA_ENGINE_RAID
373 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
374 select GENERIC_MSI_IRQ_DOMAIN
376 Enable support for the Marvell version 2 XOR engine.
378 This engine provides acceleration for copy, XOR and RAID6
379 operations, and is available on Marvell Armada 7K and 8K
383 bool "MXS DMA support"
384 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
388 Support the MXS DMA engine. This engine including APBH-DMA
389 and APBX-DMA is integrated into some Freescale chips.
392 bool "MX3x Image Processing Unit support"
397 If you plan to use the Image Processing unit in the i.MX3x, say
398 Y here. If unsure, select Y.
401 int "Number of dynamically mapped interrupts for IPU"
406 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
407 To avoid bloating the irq_desc[] array we allocate a sufficient
408 number of IRQ slots and map them dynamically to specific sources.
411 tristate "Renesas Type-AXI NBPF DMA support"
413 depends on ARM || COMPILE_TEST
415 Support for "Type-AXI" NBPF DMA IPs from Renesas
418 tristate "Actions Semi Owl SoCs DMA support"
419 depends on ARCH_ACTIONS
421 select DMA_VIRTUAL_CHANNELS
423 Enable support for the Actions Semi Owl SoCs DMA controller.
426 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
427 depends on PCI && (X86_32 || COMPILE_TEST)
430 Enable support for Intel EG20T PCH DMA engine.
432 This driver also can be used for LAPIS Semiconductor IOH(Input/
433 Output Hub), ML7213, ML7223 and ML7831.
434 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
435 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
436 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
437 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
440 tristate "DMA API Driver for PL330"
444 Select if your platform has one or more PL330 DMACs.
445 You need to provide platform specific settings via
446 platform_data for a dma-pl330 device.
449 bool "PXA DMA support"
450 depends on (ARCH_MMP || ARCH_PXA)
452 select DMA_VIRTUAL_CHANNELS
454 Support the DMA engine for PXA. It is also compatible with MMP PDMA
455 platform. The internal DMA IP of all PXA variants is supported, with
456 16 to 32 channels for peripheral to memory or memory to memory
460 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
464 Enable support for the CSR SiRFprimaII DMA engine.
467 bool "ST-Ericsson DMA40 support"
468 depends on ARCH_U8500
471 Support for ST-Ericsson DMA40 controller
474 tristate "ST FDMA dmaengine support"
476 depends on REMOTEPROC
477 select ST_SLIM_REMOTEPROC
479 select DMA_VIRTUAL_CHANNELS
481 Enable support for ST FDMA controller.
482 It supports 16 independent DMA channels, accepts up to 32 DMA requests
484 Say Y here if you have such a chipset.
488 bool "STMicroelectronics STM32 DMA support"
489 depends on ARCH_STM32 || COMPILE_TEST
491 select DMA_VIRTUAL_CHANNELS
493 Enable support for the on-chip DMA controller on STMicroelectronics
495 If you have a board based on such a MCU and wish to use DMA say Y
499 bool "STMicroelectronics STM32 dma multiplexer support"
500 depends on STM32_DMA || COMPILE_TEST
502 Enable support for the on-chip DMA multiplexer on STMicroelectronics
504 If you have a board based on such a MCU and wish to use DMAMUX say Y
508 bool "STMicroelectronics STM32 master dma support"
509 depends on ARCH_STM32 || COMPILE_TEST
512 select DMA_VIRTUAL_CHANNELS
514 Enable support for the on-chip MDMA controller on STMicroelectronics
516 If you have a board based on STM32 SoC and wish to use the master DMA
520 tristate "Spreadtrum DMA support"
521 depends on ARCH_SPRD || COMPILE_TEST
523 select DMA_VIRTUAL_CHANNELS
525 Enable support for the on-chip DMA controller on Spreadtrum platform.
528 bool "Samsung S3C24XX DMA support"
529 depends on ARCH_S3C24XX || COMPILE_TEST
531 select DMA_VIRTUAL_CHANNELS
533 Support for the Samsung S3C24XX DMA controller driver. The
534 DMA controller is having multiple DMA channels which can be
535 configured for different peripherals like audio, UART, SPI.
536 The DMA controller can transfer data from memory to peripheral,
537 periphal to memory, periphal to periphal and memory to memory.
540 tristate "Toshiba TXx9 SoC DMA support"
541 depends on MACH_TX49XX || MACH_TX39XX
544 Support the TXx9 SoC internal DMA controller. This can be
545 integrated in chips such as the Toshiba TX4927/38/39.
547 config TEGRA20_APB_DMA
548 bool "NVIDIA Tegra20 APB DMA support"
549 depends on ARCH_TEGRA
552 Support for the NVIDIA Tegra20 APB DMA controller driver. The
553 DMA controller is having multiple DMA channel which can be
554 configured for different peripherals like audio, UART, SPI,
555 I2C etc which is in APB bus.
556 This DMA controller transfers data from memory to peripheral fifo
557 or vice versa. It does not support memory to memory data transfer.
560 tristate "NVIDIA Tegra210 ADMA support"
561 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK
563 select DMA_VIRTUAL_CHANNELS
565 Support for the NVIDIA Tegra210 ADMA controller driver. The
566 DMA controller has multiple DMA channels and is used to service
567 various audio clients in the Tegra210 audio processing engine
568 (APE). This DMA controller transfers data from memory to
569 peripheral and vice versa. It does not support memory to
570 memory data transfer.
573 tristate "Timberdale FPGA DMA support"
574 depends on MFD_TIMBERDALE || COMPILE_TEST
577 Enable support for the Timberdale FPGA DMA engine.
580 tristate "APM X-Gene DMA support"
581 depends on ARCH_XGENE || COMPILE_TEST
583 select DMA_ENGINE_RAID
584 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
586 Enable support for the APM X-Gene SoC DMA engine.
589 tristate "Xilinx AXI DMAS Engine"
590 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
593 Enable support for Xilinx AXI VDMA Soft IP.
595 AXI VDMA engine provides high-bandwidth direct memory access
596 between memory and AXI4-Stream video type target
597 peripherals including peripherals which support AXI4-
598 Stream Video Protocol. It has two stream interfaces/
599 channels, Memory Mapped to Stream (MM2S) and Stream to
600 Memory Mapped (S2MM) for the data transfers.
601 AXI CDMA engine provides high-bandwidth direct memory access
602 between a memory-mapped source address and a memory-mapped
604 AXI DMA engine provides high-bandwidth one dimensional direct
605 memory access between memory and AXI4-Stream target peripherals.
607 config XILINX_ZYNQMP_DMA
608 tristate "Xilinx ZynqMP DMA Engine"
609 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
612 Enable support for Xilinx ZynqMP DMA controller.
615 tristate "ZTE ZX DMA support"
616 depends on ARCH_ZX || COMPILE_TEST
618 select DMA_VIRTUAL_CHANNELS
620 Support the DMA engine for ZTE ZX family platform devices.
624 source "drivers/dma/bestcomm/Kconfig"
626 source "drivers/dma/mediatek/Kconfig"
628 source "drivers/dma/qcom/Kconfig"
630 source "drivers/dma/dw/Kconfig"
632 source "drivers/dma/hsu/Kconfig"
634 source "drivers/dma/sh/Kconfig"
636 source "drivers/dma/ti/Kconfig"
639 comment "DMA Clients"
640 depends on DMA_ENGINE
643 bool "Async_tx: Offload support for the async_tx api"
644 depends on DMA_ENGINE
646 This allows the async_tx api to take advantage of offload engines for
647 memcpy, memset, xor, and raid6 p+q operations. If your platform has
648 a dma engine that can perform raid operations and you have enabled
654 tristate "DMA Test client"
655 depends on DMA_ENGINE
656 select DMA_ENGINE_RAID
658 Simple DMA test client. Say N unless you're debugging a
661 config DMA_ENGINE_RAID