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
337 select DMA_ENGINE_RAID
338 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
340 Enable support for the Marvell XOR engine.
343 bool "MXS DMA support"
344 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
348 Support the MXS DMA engine. This engine including APBH-DMA
349 and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips.
352 bool "MX3x Image Processing Unit support"
357 If you plan to use the Image Processing unit in the i.MX3x, say
358 Y here. If unsure, select Y.
361 int "Number of dynamically mapped interrupts for IPU"
366 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
367 To avoid bloating the irq_desc[] array we allocate a sufficient
368 number of IRQ slots and map them dynamically to specific sources.
371 tristate "Renesas Type-AXI NBPF DMA support"
373 depends on ARM || COMPILE_TEST
375 Support for "Type-AXI" NBPF DMA IPs from Renesas
378 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
379 depends on PCI && (X86_32 || COMPILE_TEST)
382 Enable support for Intel EG20T PCH DMA engine.
384 This driver also can be used for LAPIS Semiconductor IOH(Input/
385 Output Hub), ML7213, ML7223 and ML7831.
386 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
387 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
388 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
389 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
392 tristate "DMA API Driver for PL330"
396 Select if your platform has one or more PL330 DMACs.
397 You need to provide platform specific settings via
398 platform_data for a dma-pl330 device.
401 bool "PXA DMA support"
402 depends on (ARCH_MMP || ARCH_PXA)
404 select DMA_VIRTUAL_CHANNELS
406 Support the DMA engine for PXA. It is also compatible with MMP PDMA
407 platform. The internal DMA IP of all PXA variants is supported, with
408 16 to 32 channels for peripheral to memory or memory to memory
412 tristate "QCOM BAM DMA support"
413 depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM)
415 select DMA_VIRTUAL_CHANNELS
417 Enable support for the QCOM BAM DMA controller. This controller
418 provides DMA capabilities for a variety of on-chip devices.
421 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
425 Enable support for the CSR SiRFprimaII DMA engine.
428 bool "ST-Ericsson DMA40 support"
429 depends on ARCH_U8500
432 Support for ST-Ericsson DMA40 controller
435 bool "STMicroelectronics STM32 DMA support"
436 depends on ARCH_STM32
439 select DMA_VIRTUAL_CHANNELS
441 Enable support for the on-chip DMA controller on STMicroelectronics
443 If you have a board based on such a MCU and wish to use DMA say Y or M
447 bool "Samsung S3C24XX DMA support"
448 depends on ARCH_S3C24XX
450 select DMA_VIRTUAL_CHANNELS
452 Support for the Samsung S3C24XX DMA controller driver. The
453 DMA controller is having multiple DMA channels which can be
454 configured for different peripherals like audio, UART, SPI.
455 The DMA controller can transfer data from memory to peripheral,
456 periphal to memory, periphal to periphal and memory to memory.
459 tristate "Toshiba TXx9 SoC DMA support"
460 depends on MACH_TX49XX || MACH_TX39XX
463 Support the TXx9 SoC internal DMA controller. This can be
464 integrated in chips such as the Toshiba TX4927/38/39.
466 config TEGRA20_APB_DMA
467 bool "NVIDIA Tegra20 APB DMA support"
468 depends on ARCH_TEGRA
471 Support for the NVIDIA Tegra20 APB DMA controller driver. The
472 DMA controller is having multiple DMA channel which can be
473 configured for different peripherals like audio, UART, SPI,
474 I2C etc which is in APB bus.
475 This DMA controller transfers data from memory to peripheral fifo
476 or vice versa. It does not support memory to memory data transfer.
479 tristate "Timberdale FPGA DMA support"
480 depends on MFD_TIMBERDALE
483 Enable support for the Timberdale FPGA DMA engine.
486 tristate "AM33xx CPPI41 DMA support"
490 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
491 is currently used by the USB driver on AM335x platforms.
493 config TI_DMA_CROSSBAR
497 bool "TI EDMA support"
498 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
500 select DMA_VIRTUAL_CHANNELS
501 select TI_DMA_CROSSBAR if ARCH_OMAP
504 Enable support for the TI EDMA controller. This DMA
505 engine is found on TI DaVinci and AM33xx parts.
508 tristate "APM X-Gene DMA support"
509 depends on ARCH_XGENE || COMPILE_TEST
511 select DMA_ENGINE_RAID
512 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
514 Enable support for the APM X-Gene SoC DMA engine.
517 tristate "Xilinx AXI VDMA Engine"
518 depends on (ARCH_ZYNQ || MICROBLAZE)
521 Enable support for Xilinx AXI VDMA Soft IP.
523 This engine provides high-bandwidth direct memory access
524 between memory and AXI4-Stream video type target
525 peripherals including peripherals which support AXI4-
526 Stream Video Protocol. It has two stream interfaces/
527 channels, Memory Mapped to Stream (MM2S) and Stream to
528 Memory Mapped (S2MM) for the data transfers.
531 tristate "ZTE ZX296702 DMA support"
534 select DMA_VIRTUAL_CHANNELS
536 Support the DMA engine for ZTE ZX296702 platform devices.
540 source "drivers/dma/bestcomm/Kconfig"
542 source "drivers/dma/dw/Kconfig"
544 source "drivers/dma/hsu/Kconfig"
546 source "drivers/dma/sh/Kconfig"
549 comment "DMA Clients"
550 depends on DMA_ENGINE
553 bool "Async_tx: Offload support for the async_tx api"
554 depends on DMA_ENGINE
556 This allows the async_tx api to take advantage of offload engines for
557 memcpy, memset, xor, and raid6 p+q operations. If your platform has
558 a dma engine that can perform raid operations and you have enabled
564 tristate "DMA Test client"
565 depends on DMA_ENGINE
567 Simple DMA test client. Say N unless you're debugging a
570 config DMA_ENGINE_RAID