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"
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
119 select DMA_VIRTUAL_CHANNELS
122 tristate "JZ4780 DMA support"
123 depends on MACH_JZ4780
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"
135 select DMA_VIRTUAL_CHANNELS
136 select TI_DMA_CROSSBAR if SOC_DRA7XX
139 tristate "SA-11x0 DMA support"
140 depends on ARCH_SA1100
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)
154 select DMA_VIRTUAL_CHANNELS
156 Enable support for the DMA controller present in the sun4i,
157 sun5i and sun7i Allwinner ARM SoCs.
160 tristate "Allwinner A31 SoCs DMA support"
161 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
162 depends on RESET_CONTROLLER
164 select DMA_VIRTUAL_CHANNELS
166 Support for the DMA engine first found in Allwinner A31 SoCs.
169 bool "Cirrus Logic EP93xx DMA support"
170 depends on ARCH_EP93XX
173 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
176 tristate "Freescale Elo series DMA support"
179 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
181 Enable support for the Freescale Elo series DMA controllers.
182 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
183 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
184 some Txxx and Bxxx parts.
187 tristate "Freescale eDMA engine support"
190 select DMA_VIRTUAL_CHANNELS
192 Support the Freescale eDMA engine with programmable channel
193 multiplexing capability for DMA request sources(slot).
194 This module can be found on Freescale Vybrid and LS-1 SoCs.
197 tristate "Freescale RAID engine Support"
198 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
200 select DMA_ENGINE_RAID
202 Enable support for Freescale RAID Engine. RAID Engine is
203 available on some QorIQ SoCs (like P5020/P5040). It has
204 the capability to offload memcpy, xor and pq computation
208 tristate "IMG MDC support"
209 depends on MIPS || COMPILE_TEST
210 depends on MFD_SYSCON
212 select DMA_VIRTUAL_CHANNELS
214 Enable support for the IMG multi-threaded DMA controller (MDC).
217 tristate "i.MX DMA support"
221 Support the i.MX DMA engine. This engine is integrated into
222 Freescale i.MX1/21/27 chips.
225 tristate "i.MX SDMA support"
229 Support the i.MX SDMA engine. This engine is integrated into
230 Freescale i.MX25/31/35/51/53/6 chips.
233 tristate "Intel integrated DMA 64-bit support"
235 select DMA_VIRTUAL_CHANNELS
237 Enable DMA support for Intel Low Power Subsystem such as found on
241 tristate "Intel I/OAT DMA support"
242 depends on PCI && X86_64
244 select DMA_ENGINE_RAID
247 Enable support for the Intel(R) I/OAT DMA engine present
248 in recent Intel Xeon chipsets.
250 Say Y here if you have such a chipset.
254 config INTEL_IOP_ADMA
255 tristate "Intel IOP ADMA support"
256 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
258 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
260 Enable support for the Intel(R) IOP Series RAID engines.
262 config INTEL_MIC_X100_DMA
263 tristate "Intel MIC X100 DMA Driver"
264 depends on 64BIT && X86 && INTEL_MIC_BUS
267 This enables DMA support for the Intel Many Integrated Core
268 (MIC) family of PCIe form factor coprocessor X100 devices that
269 run a 64 bit Linux OS. This driver will be used by both MIC
270 host and card drivers.
272 If you are building host kernel with a MIC device or a card
273 kernel for a MIC device, then say M (recommended) or Y, else
274 say N. If unsure say N.
276 More information about the Intel MIC family as well as the Linux
277 OS and tools for MIC to use with this driver are available from
278 <http://software.intel.com/en-us/mic-developer>.
281 tristate "Hisilicon K3 DMA support"
282 depends on ARCH_HI3xxx
284 select DMA_VIRTUAL_CHANNELS
286 Support the DMA engine for Hisilicon K3 platform
289 config LPC18XX_DMAMUX
290 bool "NXP LPC18xx/43xx DMA MUX for PL080"
291 depends on ARCH_LPC18XX || COMPILE_TEST
292 depends on OF && AMBA_PL08X
295 Enable support for DMA on NXP LPC18xx/43xx platforms
296 with PL080 and multiplexed DMA request lines.
299 bool "MMP PDMA support"
300 depends on (ARCH_MMP || ARCH_PXA)
303 Support the MMP PDMA engine for PXA and MMP platform.
306 bool "MMP Two-Channel DMA support"
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
320 select DMA_VIRTUAL_CHANNELS
322 Enable support for the MOXA ART SoC DMA controller.
324 Say Y here if you enabled MMP ADMA, otherwise say N.
327 tristate "Freescale MPC512x built-in DMA engine support"
328 depends on PPC_MPC512x || PPC_MPC831x
331 Enable support for the Freescale MPC512x built-in DMA engine.
334 bool "Marvell XOR engine support"
335 depends on PLAT_ORION || ARCH_MVEBU || COMPILE_TEST
337 select DMA_ENGINE_RAID
338 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
340 Enable support for the Marvell XOR engine.
343 bool "Marvell XOR engine version 2 support "
346 select DMA_ENGINE_RAID
347 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
348 select GENERIC_MSI_IRQ_DOMAIN
350 Enable support for the Marvell version 2 XOR engine.
352 This engine provides acceleration for copy, XOR and RAID6
353 operations, and is available on Marvell Armada 7K and 8K
357 bool "MXS DMA support"
358 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q || SOC_IMX6UL
362 Support the MXS DMA engine. This engine including APBH-DMA
363 and APBX-DMA is integrated into Freescale
364 i.MX23/28/MX6Q/MX6DL/MX6UL chips.
367 bool "MX3x Image Processing Unit support"
372 If you plan to use the Image Processing unit in the i.MX3x, say
373 Y here. If unsure, select Y.
376 int "Number of dynamically mapped interrupts for IPU"
381 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
382 To avoid bloating the irq_desc[] array we allocate a sufficient
383 number of IRQ slots and map them dynamically to specific sources.
386 tristate "Renesas Type-AXI NBPF DMA support"
388 depends on ARM || COMPILE_TEST
390 Support for "Type-AXI" NBPF DMA IPs from Renesas
393 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
394 depends on PCI && (X86_32 || COMPILE_TEST)
397 Enable support for Intel EG20T PCH DMA engine.
399 This driver also can be used for LAPIS Semiconductor IOH(Input/
400 Output Hub), ML7213, ML7223 and ML7831.
401 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
402 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
403 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
404 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
407 tristate "DMA API Driver for PL330"
411 Select if your platform has one or more PL330 DMACs.
412 You need to provide platform specific settings via
413 platform_data for a dma-pl330 device.
416 bool "PXA DMA support"
417 depends on (ARCH_MMP || ARCH_PXA)
419 select DMA_VIRTUAL_CHANNELS
421 Support the DMA engine for PXA. It is also compatible with MMP PDMA
422 platform. The internal DMA IP of all PXA variants is supported, with
423 16 to 32 channels for peripheral to memory or memory to memory
427 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
431 Enable support for the CSR SiRFprimaII DMA engine.
434 bool "ST-Ericsson DMA40 support"
435 depends on ARCH_U8500
438 Support for ST-Ericsson DMA40 controller
441 bool "STMicroelectronics STM32 DMA support"
442 depends on ARCH_STM32
445 select DMA_VIRTUAL_CHANNELS
447 Enable support for the on-chip DMA controller on STMicroelectronics
449 If you have a board based on such a MCU and wish to use DMA say Y or M
453 bool "Samsung S3C24XX DMA support"
454 depends on ARCH_S3C24XX
456 select DMA_VIRTUAL_CHANNELS
458 Support for the Samsung S3C24XX DMA controller driver. The
459 DMA controller is having multiple DMA channels which can be
460 configured for different peripherals like audio, UART, SPI.
461 The DMA controller can transfer data from memory to peripheral,
462 periphal to memory, periphal to periphal and memory to memory.
465 tristate "Toshiba TXx9 SoC DMA support"
466 depends on MACH_TX49XX || MACH_TX39XX
469 Support the TXx9 SoC internal DMA controller. This can be
470 integrated in chips such as the Toshiba TX4927/38/39.
472 config TEGRA20_APB_DMA
473 bool "NVIDIA Tegra20 APB DMA support"
474 depends on ARCH_TEGRA
477 Support for the NVIDIA Tegra20 APB DMA controller driver. The
478 DMA controller is having multiple DMA channel which can be
479 configured for different peripherals like audio, UART, SPI,
480 I2C etc which is in APB bus.
481 This DMA controller transfers data from memory to peripheral fifo
482 or vice versa. It does not support memory to memory data transfer.
485 bool "NVIDIA Tegra210 ADMA support"
486 depends on ARCH_TEGRA_210_SOC
488 select DMA_VIRTUAL_CHANNELS
491 Support for the NVIDIA Tegra210 ADMA controller driver. The
492 DMA controller has multiple DMA channels and is used to service
493 various audio clients in the Tegra210 audio processing engine
494 (APE). This DMA controller transfers data from memory to
495 peripheral and vice versa. It does not support memory to
496 memory data transfer.
499 tristate "Timberdale FPGA DMA support"
500 depends on MFD_TIMBERDALE
503 Enable support for the Timberdale FPGA DMA engine.
506 tristate "AM33xx CPPI41 DMA support"
510 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
511 is currently used by the USB driver on AM335x platforms.
513 config TI_DMA_CROSSBAR
517 bool "TI EDMA support"
518 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
520 select DMA_VIRTUAL_CHANNELS
521 select TI_DMA_CROSSBAR if ARCH_OMAP
524 Enable support for the TI EDMA controller. This DMA
525 engine is found on TI DaVinci and AM33xx parts.
528 tristate "APM X-Gene DMA support"
529 depends on ARCH_XGENE || COMPILE_TEST
531 select DMA_ENGINE_RAID
532 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
534 Enable support for the APM X-Gene SoC DMA engine.
537 tristate "Xilinx AXI DMAS Engine"
538 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
541 Enable support for Xilinx AXI VDMA Soft IP.
543 AXI VDMA engine provides high-bandwidth direct memory access
544 between memory and AXI4-Stream video type target
545 peripherals including peripherals which support AXI4-
546 Stream Video Protocol. It has two stream interfaces/
547 channels, Memory Mapped to Stream (MM2S) and Stream to
548 Memory Mapped (S2MM) for the data transfers.
549 AXI CDMA engine provides high-bandwidth direct memory access
550 between a memory-mapped source address and a memory-mapped
552 AXI DMA engine provides high-bandwidth one dimensional direct
553 memory access between memory and AXI4-Stream target peripherals.
555 config XILINX_ZYNQMP_DMA
556 tristate "Xilinx ZynqMP DMA Engine"
557 depends on (ARCH_ZYNQ || MICROBLAZE || ARM64)
560 Enable support for Xilinx ZynqMP DMA controller.
563 tristate "ZTE ZX296702 DMA support"
566 select DMA_VIRTUAL_CHANNELS
568 Support the DMA engine for ZTE ZX296702 platform devices.
572 source "drivers/dma/bestcomm/Kconfig"
574 source "drivers/dma/qcom/Kconfig"
576 source "drivers/dma/dw/Kconfig"
578 source "drivers/dma/hsu/Kconfig"
580 source "drivers/dma/sh/Kconfig"
583 comment "DMA Clients"
584 depends on DMA_ENGINE
587 bool "Async_tx: Offload support for the async_tx api"
588 depends on DMA_ENGINE
590 This allows the async_tx api to take advantage of offload engines for
591 memcpy, memset, xor, and raid6 p+q operations. If your platform has
592 a dma engine that can perform raid operations and you have enabled
598 tristate "DMA Test client"
599 depends on DMA_ENGINE
601 Simple DMA test client. Say N unless you're debugging a
604 config DMA_ENGINE_RAID