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"
64 Enable support for Altera / Intel mSGDMA controller.
67 bool "ARM PrimeCell PL080 or PL081 support"
70 select DMA_VIRTUAL_CHANNELS
72 Say yes if your platform has a PL08x DMAC device which can
73 provide DMA engine support. This includes the original ARM
74 PL080 and PL081, Samsungs PL080 derivative and Faraday
75 Technology's FTDMAC020 PL080 derivative.
77 config AMCC_PPC440SPE_ADMA
78 tristate "AMCC PPC440SPe ADMA support"
79 depends on 440SPe || 440SP
81 select DMA_ENGINE_RAID
82 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
83 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
85 Enable support for the AMCC PPC440SPe RAID engines.
88 tristate "Atmel AHB DMA support"
92 Support the Atmel AHB DMA controller.
95 tristate "Atmel XDMA support"
99 Support the Atmel XDMA controller.
102 tristate "Analog Devices AXI-DMAC DMA support"
103 depends on MICROBLAZE || NIOS2 || ARCH_ZYNQ || ARCH_SOCFPGA || COMPILE_TEST
105 select DMA_VIRTUAL_CHANNELS
107 Enable support for the Analog Devices AXI-DMAC peripheral. This DMA
108 controller is often used in Analog Device's reference designs for FPGA
112 tristate "Broadcom SBA RAID engine support"
113 depends on ARM64 || COMPILE_TEST
114 depends on MAILBOX && RAID6_PQ
116 select DMA_ENGINE_RAID
117 select ASYNC_TX_DISABLE_XOR_VAL_DMA
118 select ASYNC_TX_DISABLE_PQ_VAL_DMA
119 default m if ARCH_BCM_IPROC
121 Enable support for Broadcom SBA RAID Engine. The SBA RAID
122 engine is available on most of the Broadcom iProc SoCs. It
123 has the capability to offload memcpy, xor and pq computation
127 bool "ST-Ericsson COH901318 DMA support"
129 depends on ARCH_U300 || COMPILE_TEST
131 Enable support for ST-Ericsson COH 901 318 DMA.
134 tristate "BCM2835 DMA engine support"
135 depends on ARCH_BCM2835
137 select DMA_VIRTUAL_CHANNELS
140 tristate "JZ4740 DMA support"
141 depends on MACH_JZ4740 || COMPILE_TEST
143 select DMA_VIRTUAL_CHANNELS
146 tristate "JZ4780 DMA support"
147 depends on MIPS || COMPILE_TEST
149 select DMA_VIRTUAL_CHANNELS
151 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
152 If you have a board based on such a SoC and wish to use DMA for
153 devices which can use the DMA controller, say Y or M here.
156 tristate "SA-11x0 DMA support"
157 depends on ARCH_SA1100 || COMPILE_TEST
159 select DMA_VIRTUAL_CHANNELS
161 Support the DMA engine found on Intel StrongARM SA-1100 and
162 SA-1110 SoCs. This DMA engine can only be used with on-chip
166 tristate "Allwinner A10 DMA SoCs support"
167 depends on MACH_SUN4I || MACH_SUN5I || MACH_SUN7I
168 default (MACH_SUN4I || MACH_SUN5I || MACH_SUN7I)
170 select DMA_VIRTUAL_CHANNELS
172 Enable support for the DMA controller present in the sun4i,
173 sun5i and sun7i Allwinner ARM SoCs.
176 tristate "Allwinner A31 SoCs DMA support"
177 depends on MACH_SUN6I || MACH_SUN8I || (ARM64 && ARCH_SUNXI) || COMPILE_TEST
178 depends on RESET_CONTROLLER
180 select DMA_VIRTUAL_CHANNELS
182 Support for the DMA engine first found in Allwinner A31 SoCs.
185 tristate "Synopsys DesignWare AXI DMA support"
186 depends on OF || COMPILE_TEST
188 select DMA_VIRTUAL_CHANNELS
190 Enable support for Synopsys DesignWare AXI DMA controller.
191 NOTE: This driver wasn't tested on 64 bit platform because
192 of lack 64 bit platform with Synopsys DW AXI DMAC.
195 bool "Cirrus Logic EP93xx DMA support"
196 depends on ARCH_EP93XX || COMPILE_TEST
199 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
202 tristate "Freescale Elo series DMA support"
205 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
207 Enable support for the Freescale Elo series DMA controllers.
208 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
209 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
210 some Txxx and Bxxx parts.
213 tristate "Freescale eDMA engine support"
217 select DMA_VIRTUAL_CHANNELS
219 Support the Freescale eDMA engine with programmable channel
220 multiplexing capability for DMA request sources(slot).
221 This module can be found on Freescale Vybrid and LS-1 SoCs.
224 tristate "Freescale RAID engine Support"
225 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
227 select DMA_ENGINE_RAID
229 Enable support for Freescale RAID Engine. RAID Engine is
230 available on some QorIQ SoCs (like P5020/P5040). It has
231 the capability to offload memcpy, xor and pq computation
235 tristate "IMG MDC support"
236 depends on MIPS || COMPILE_TEST
237 depends on MFD_SYSCON
239 select DMA_VIRTUAL_CHANNELS
241 Enable support for the IMG multi-threaded DMA controller (MDC).
244 tristate "i.MX DMA support"
248 Support the i.MX DMA engine. This engine is integrated into
249 Freescale i.MX1/21/27 chips.
252 tristate "i.MX SDMA support"
255 select DMA_VIRTUAL_CHANNELS
257 Support the i.MX SDMA engine. This engine is integrated into
258 Freescale i.MX25/31/35/51/53/6 chips.
261 tristate "Intel integrated DMA 64-bit support"
264 select DMA_VIRTUAL_CHANNELS
266 Enable DMA support for Intel Low Power Subsystem such as found on
270 tristate "Intel I/OAT DMA support"
271 depends on PCI && X86_64 && !UML
273 select DMA_ENGINE_RAID
276 Enable support for the Intel(R) I/OAT DMA engine present
277 in recent Intel Xeon chipsets.
279 Say Y here if you have such a chipset.
283 config INTEL_IOP_ADMA
284 tristate "Intel IOP ADMA support"
285 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
287 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
289 Enable support for the Intel(R) IOP Series RAID engines.
291 config INTEL_MIC_X100_DMA
292 tristate "Intel MIC X100 DMA Driver"
293 depends on 64BIT && X86 && INTEL_MIC_BUS
296 This enables DMA support for the Intel Many Integrated Core
297 (MIC) family of PCIe form factor coprocessor X100 devices that
298 run a 64 bit Linux OS. This driver will be used by both MIC
299 host and card drivers.
301 If you are building host kernel with a MIC device or a card
302 kernel for a MIC device, then say M (recommended) or Y, else
303 say N. If unsure say N.
305 More information about the Intel MIC family as well as the Linux
306 OS and tools for MIC to use with this driver are available from
307 <http://software.intel.com/en-us/mic-developer>.
310 tristate "Hisilicon K3 DMA support"
311 depends on ARCH_HI3xxx || ARCH_HISI || COMPILE_TEST
313 select DMA_VIRTUAL_CHANNELS
315 Support the DMA engine for Hisilicon K3 platform
318 config LPC18XX_DMAMUX
319 bool "NXP LPC18xx/43xx DMA MUX for PL080"
320 depends on ARCH_LPC18XX || COMPILE_TEST
321 depends on OF && AMBA_PL08X
324 Enable support for DMA on NXP LPC18xx/43xx platforms
325 with PL080 and multiplexed DMA request lines.
328 bool "MMP PDMA support"
329 depends on ARCH_MMP || ARCH_PXA || COMPILE_TEST
332 Support the MMP PDMA engine for PXA and MMP platform.
335 bool "MMP Two-Channel DMA support"
336 depends on ARCH_MMP || COMPILE_TEST
338 select MMP_SRAM if ARCH_MMP
339 select GENERIC_ALLOCATOR
341 Support the MMP Two-Channel DMA engine.
342 This engine used for MMP Audio DMA and pxa910 SQU.
343 It needs sram driver under mach-mmp.
346 tristate "MOXART DMA support"
347 depends on ARCH_MOXART
349 select DMA_VIRTUAL_CHANNELS
351 Enable support for the MOXA ART SoC DMA controller.
353 Say Y here if you enabled MMP ADMA, otherwise say N.
356 tristate "Freescale MPC512x built-in DMA engine support"
357 depends on PPC_MPC512x || PPC_MPC831x
360 Enable support for the Freescale MPC512x built-in DMA engine.
363 bool "Marvell XOR engine support"
364 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
366 select DMA_ENGINE_RAID
367 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
369 Enable support for the Marvell XOR engine.
372 bool "Marvell XOR engine version 2 support "
375 select DMA_ENGINE_RAID
376 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
377 select GENERIC_MSI_IRQ_DOMAIN
379 Enable support for the Marvell version 2 XOR engine.
381 This engine provides acceleration for copy, XOR and RAID6
382 operations, and is available on Marvell Armada 7K and 8K
386 bool "MXS DMA support"
387 depends on ARCH_MXS || ARCH_MXC || COMPILE_TEST
391 Support the MXS DMA engine. This engine including APBH-DMA
392 and APBX-DMA is integrated into some Freescale chips.
395 bool "MX3x Image Processing Unit support"
400 If you plan to use the Image Processing unit in the i.MX3x, say
401 Y here. If unsure, select Y.
404 int "Number of dynamically mapped interrupts for IPU"
409 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
410 To avoid bloating the irq_desc[] array we allocate a sufficient
411 number of IRQ slots and map them dynamically to specific sources.
414 tristate "Renesas Type-AXI NBPF DMA support"
416 depends on ARM || COMPILE_TEST
418 Support for "Type-AXI" NBPF DMA IPs from Renesas
421 tristate "Actions Semi Owl SoCs DMA support"
422 depends on ARCH_ACTIONS
424 select DMA_VIRTUAL_CHANNELS
426 Enable support for the Actions Semi Owl SoCs DMA controller.
429 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
430 depends on PCI && (X86_32 || COMPILE_TEST)
433 Enable support for Intel EG20T PCH DMA engine.
435 This driver also can be used for LAPIS Semiconductor IOH(Input/
436 Output Hub), ML7213, ML7223 and ML7831.
437 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
438 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
439 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
440 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
443 tristate "DMA API Driver for PL330"
447 Select if your platform has one or more PL330 DMACs.
448 You need to provide platform specific settings via
449 platform_data for a dma-pl330 device.
452 bool "PXA DMA support"
453 depends on (ARCH_MMP || ARCH_PXA)
455 select DMA_VIRTUAL_CHANNELS
457 Support the DMA engine for PXA. It is also compatible with MMP PDMA
458 platform. The internal DMA IP of all PXA variants is supported, with
459 16 to 32 channels for peripheral to memory or memory to memory
463 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
467 Enable support for the CSR SiRFprimaII DMA engine.
470 bool "ST-Ericsson DMA40 support"
471 depends on ARCH_U8500
474 Support for ST-Ericsson DMA40 controller
477 tristate "ST FDMA dmaengine support"
479 depends on REMOTEPROC
480 select ST_SLIM_REMOTEPROC
482 select DMA_VIRTUAL_CHANNELS
484 Enable support for ST FDMA controller.
485 It supports 16 independent DMA channels, accepts up to 32 DMA requests
487 Say Y here if you have such a chipset.
491 bool "STMicroelectronics STM32 DMA support"
492 depends on ARCH_STM32 || COMPILE_TEST
494 select DMA_VIRTUAL_CHANNELS
496 Enable support for the on-chip DMA controller on STMicroelectronics
498 If you have a board based on such a MCU and wish to use DMA say Y
502 bool "STMicroelectronics STM32 dma multiplexer support"
503 depends on STM32_DMA || COMPILE_TEST
505 Enable support for the on-chip DMA multiplexer on STMicroelectronics
507 If you have a board based on such a MCU and wish to use DMAMUX say Y
511 bool "STMicroelectronics STM32 master dma support"
512 depends on ARCH_STM32 || COMPILE_TEST
515 select DMA_VIRTUAL_CHANNELS
517 Enable support for the on-chip MDMA controller on STMicroelectronics
519 If you have a board based on STM32 SoC and wish to use the master DMA
523 tristate "Spreadtrum DMA support"
524 depends on ARCH_SPRD || COMPILE_TEST
526 select DMA_VIRTUAL_CHANNELS
528 Enable support for the on-chip DMA controller on Spreadtrum platform.
531 bool "Samsung S3C24XX DMA support"
532 depends on ARCH_S3C24XX || COMPILE_TEST
534 select DMA_VIRTUAL_CHANNELS
536 Support for the Samsung S3C24XX DMA controller driver. The
537 DMA controller is having multiple DMA channels which can be
538 configured for different peripherals like audio, UART, SPI.
539 The DMA controller can transfer data from memory to peripheral,
540 periphal to memory, periphal to periphal and memory to memory.
543 tristate "Toshiba TXx9 SoC DMA support"
544 depends on MACH_TX49XX || MACH_TX39XX
547 Support the TXx9 SoC internal DMA controller. This can be
548 integrated in chips such as the Toshiba TX4927/38/39.
550 config TEGRA20_APB_DMA
551 bool "NVIDIA Tegra20 APB DMA support"
552 depends on ARCH_TEGRA
555 Support for the NVIDIA Tegra20 APB DMA controller driver. The
556 DMA controller is having multiple DMA channel which can be
557 configured for different peripherals like audio, UART, SPI,
558 I2C etc which is in APB bus.
559 This DMA controller transfers data from memory to peripheral fifo
560 or vice versa. It does not support memory to memory data transfer.
563 tristate "NVIDIA Tegra210 ADMA support"
564 depends on (ARCH_TEGRA_210_SOC || COMPILE_TEST) && PM_CLK
566 select DMA_VIRTUAL_CHANNELS
568 Support for the NVIDIA Tegra210 ADMA controller driver. The
569 DMA controller has multiple DMA channels and is used to service
570 various audio clients in the Tegra210 audio processing engine
571 (APE). This DMA controller transfers data from memory to
572 peripheral and vice versa. It does not support memory to
573 memory data transfer.
576 tristate "Timberdale FPGA DMA support"
577 depends on MFD_TIMBERDALE || COMPILE_TEST
580 Enable support for the Timberdale FPGA DMA engine.
583 tristate "APM X-Gene DMA support"
584 depends on ARCH_XGENE || COMPILE_TEST
586 select DMA_ENGINE_RAID
587 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
589 Enable support for the APM X-Gene SoC DMA engine.
592 tristate "Xilinx AXI DMAS Engine"
593 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
596 Enable support for Xilinx AXI VDMA Soft IP.
598 AXI VDMA engine provides high-bandwidth direct memory access
599 between memory and AXI4-Stream video type target
600 peripherals including peripherals which support AXI4-
601 Stream Video Protocol. It has two stream interfaces/
602 channels, Memory Mapped to Stream (MM2S) and Stream to
603 Memory Mapped (S2MM) for the data transfers.
604 AXI CDMA engine provides high-bandwidth direct memory access
605 between a memory-mapped source address and a memory-mapped
607 AXI DMA engine provides high-bandwidth one dimensional direct
608 memory access between memory and AXI4-Stream target peripherals.
610 config XILINX_ZYNQMP_DMA
611 tristate "Xilinx ZynqMP DMA Engine"
612 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
615 Enable support for Xilinx ZynqMP DMA controller.
618 tristate "ZTE ZX DMA support"
619 depends on ARCH_ZX || COMPILE_TEST
621 select DMA_VIRTUAL_CHANNELS
623 Support the DMA engine for ZTE ZX family platform devices.
627 source "drivers/dma/bestcomm/Kconfig"
629 source "drivers/dma/mediatek/Kconfig"
631 source "drivers/dma/qcom/Kconfig"
633 source "drivers/dma/dw/Kconfig"
635 source "drivers/dma/hsu/Kconfig"
637 source "drivers/dma/sh/Kconfig"
639 source "drivers/dma/ti/Kconfig"
642 comment "DMA Clients"
643 depends on DMA_ENGINE
646 bool "Async_tx: Offload support for the async_tx api"
647 depends on DMA_ENGINE
649 This allows the async_tx api to take advantage of offload engines for
650 memcpy, memset, xor, and raid6 p+q operations. If your platform has
651 a dma engine that can perform raid operations and you have enabled
657 tristate "DMA Test client"
658 depends on DMA_ENGINE
659 select DMA_ENGINE_RAID
661 Simple DMA test client. Say N unless you're debugging a
664 config DMA_ENGINE_RAID