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.
36 config INTEL_MIC_X100_DMA
37 tristate "Intel MIC X100 DMA Driver"
38 depends on 64BIT && X86 && INTEL_MIC_BUS
41 This enables DMA support for the Intel Many Integrated Core
42 (MIC) family of PCIe form factor coprocessor X100 devices that
43 run a 64 bit Linux OS. This driver will be used by both MIC
44 host and card drivers.
46 If you are building host kernel with a MIC device or a card
47 kernel for a MIC device, then say M (recommended) or Y, else
48 say N. If unsure say N.
50 More information about the Intel MIC family as well as the Linux
51 OS and tools for MIC to use with this driver are available from
52 <http://software.intel.com/en-us/mic-developer>.
55 tristate "Intel MID DMA support for Peripheral DMA controllers"
60 Enable support for the Intel(R) MID DMA engine present
61 in Intel MID chipsets.
63 Say Y here if you have such a chipset.
67 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
71 bool "ARM PrimeCell PL080 or PL081 support"
74 select DMA_VIRTUAL_CHANNELS
76 Platform has a PL08x DMAC device
77 which can provide DMA engine support
80 tristate "Intel I/OAT DMA support"
83 select DMA_ENGINE_RAID
86 Enable support for the Intel(R) I/OAT DMA engine present
87 in recent Intel Xeon chipsets.
89 Say Y here if you have such a chipset.
94 tristate "Intel IOP ADMA support"
95 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
97 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
99 Enable support for the Intel(R) IOP Series RAID engines.
101 source "drivers/dma/dw/Kconfig"
104 tristate "Atmel AHB DMA support"
108 Support the Atmel AHB DMA controller.
111 tristate "Freescale Elo series DMA support"
114 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
116 Enable support for the Freescale Elo series DMA controllers.
117 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
118 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
119 some Txxx and Bxxx parts.
122 tristate "Freescale MPC512x built-in DMA engine support"
123 depends on PPC_MPC512x || PPC_MPC831x
126 Enable support for the Freescale MPC512x built-in DMA engine.
128 source "drivers/dma/bestcomm/Kconfig"
131 bool "Marvell XOR engine support"
132 depends on PLAT_ORION
134 select DMA_ENGINE_RAID
135 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
137 Enable support for the Marvell XOR engine.
140 bool "MX3x Image Processing Unit support"
145 If you plan to use the Image Processing unit in the i.MX3x, say
146 Y here. If unsure, select Y.
149 int "Number of dynamically mapped interrupts for IPU"
154 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
155 To avoid bloating the irq_desc[] array we allocate a sufficient
156 number of IRQ slots and map them dynamically to specific sources.
159 tristate "Toshiba TXx9 SoC DMA support"
160 depends on MACH_TX49XX || MACH_TX39XX
163 Support the TXx9 SoC internal DMA controller. This can be
164 integrated in chips such as the Toshiba TX4927/38/39.
166 config TEGRA20_APB_DMA
167 bool "NVIDIA Tegra20 APB DMA support"
168 depends on ARCH_TEGRA
171 Support for the NVIDIA Tegra20 APB DMA controller driver. The
172 DMA controller is having multiple DMA channel which can be
173 configured for different peripherals like audio, UART, SPI,
174 I2C etc which is in APB bus.
175 This DMA controller transfers data from memory to peripheral fifo
176 or vice versa. It does not support memory to memory data transfer.
179 tristate "Samsung S3C24XX DMA support"
180 depends on ARCH_S3C24XX && !S3C24XX_DMA
182 select DMA_VIRTUAL_CHANNELS
184 Support for the Samsung S3C24XX DMA controller driver. The
185 DMA controller is having multiple DMA channels which can be
186 configured for different peripherals like audio, UART, SPI.
187 The DMA controller can transfer data from memory to peripheral,
188 periphal to memory, periphal to periphal and memory to memory.
190 source "drivers/dma/sh/Kconfig"
193 bool "ST-Ericsson COH901318 DMA support"
197 Enable support for ST-Ericsson COH 901 318 DMA.
200 bool "ST-Ericsson DMA40 support"
201 depends on ARCH_U8500
204 Support for ST-Ericsson DMA40 controller
206 config AMCC_PPC440SPE_ADMA
207 tristate "AMCC PPC440SPe ADMA support"
208 depends on 440SPe || 440SP
210 select DMA_ENGINE_RAID
211 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
212 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
214 Enable support for the AMCC PPC440SPe RAID engines.
217 tristate "Timberdale FPGA DMA support"
218 depends on MFD_TIMBERDALE
221 Enable support for the Timberdale FPGA DMA engine.
224 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
228 Enable support for the CSR SiRFprimaII DMA engine.
231 bool "TI EDMA support"
232 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
234 select DMA_VIRTUAL_CHANNELS
238 Enable support for the TI EDMA controller. This DMA
239 engine is found on TI DaVinci and AM33xx parts.
241 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
245 tristate "DMA API Driver for PL330"
249 Select if your platform has one or more PL330 DMACs.
250 You need to provide platform specific settings via
251 platform_data for a dma-pl330 device.
254 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
255 depends on PCI && (X86_32 || COMPILE_TEST)
258 Enable support for Intel EG20T PCH DMA engine.
260 This driver also can be used for LAPIS Semiconductor IOH(Input/
261 Output Hub), ML7213, ML7223 and ML7831.
262 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
263 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
264 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
265 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
268 tristate "i.MX SDMA support"
272 Support the i.MX SDMA engine. This engine is integrated into
273 Freescale i.MX25/31/35/51/53 chips.
276 tristate "i.MX DMA support"
280 Support the i.MX DMA engine. This engine is integrated into
281 Freescale i.MX1/21/27 chips.
284 bool "MXS DMA support"
285 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
289 Support the MXS DMA engine. This engine including APBH-DMA
290 and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips.
293 bool "Cirrus Logic EP93xx DMA support"
294 depends on ARCH_EP93XX
297 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
300 tristate "SA-11x0 DMA support"
301 depends on ARCH_SA1100
303 select DMA_VIRTUAL_CHANNELS
305 Support the DMA engine found on Intel StrongARM SA-1100 and
306 SA-1110 SoCs. This DMA engine can only be used with on-chip
310 bool "MMP Two-Channel DMA support"
315 Support the MMP Two-Channel DMA engine.
316 This engine used for MMP Audio DMA and pxa910 SQU.
317 It needs sram driver under mach-mmp.
319 Say Y here if you enabled MMP ADMA, otherwise say N.
322 tristate "OMAP DMA support"
325 select DMA_VIRTUAL_CHANNELS
328 tristate "BCM2835 DMA engine support"
329 depends on ARCH_BCM2835
331 select DMA_VIRTUAL_CHANNELS
334 tristate "AM33xx CPPI41 DMA support"
338 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
339 is currently used by the USB driver on AM335x platforms.
342 bool "MMP PDMA support"
343 depends on (ARCH_MMP || ARCH_PXA)
346 Support the MMP PDMA engine for PXA and MMP platform.
349 tristate "JZ4740 DMA support"
350 depends on MACH_JZ4740
352 select DMA_VIRTUAL_CHANNELS
355 tristate "Hisilicon K3 DMA support"
356 depends on ARCH_HI3xxx
358 select DMA_VIRTUAL_CHANNELS
360 Support the DMA engine for Hisilicon K3 platform
364 tristate "MOXART DMA support"
365 depends on ARCH_MOXART
368 select DMA_VIRTUAL_CHANNELS
370 Enable support for the MOXA ART SoC DMA controller.
373 tristate "Freescale eDMA engine support"
376 select DMA_VIRTUAL_CHANNELS
378 Support the Freescale eDMA engine with programmable channel
379 multiplexing capability for DMA request sources(slot).
380 This module can be found on Freescale Vybrid and LS-1 SoCs.
383 tristate "Xilinx AXI VDMA Engine"
384 depends on (ARCH_ZYNQ || MICROBLAZE)
387 Enable support for Xilinx AXI VDMA Soft IP.
389 This engine provides high-bandwidth direct memory access
390 between memory and AXI4-Stream video type target
391 peripherals including peripherals which support AXI4-
392 Stream Video Protocol. It has two stream interfaces/
393 channels, Memory Mapped to Stream (MM2S) and Stream to
394 Memory Mapped (S2MM) for the data transfers.
397 tristate "Allwinner A31 SoCs DMA support"
398 depends on MACH_SUN6I || COMPILE_TEST
399 depends on RESET_CONTROLLER
401 select DMA_VIRTUAL_CHANNELS
403 Support for the DMA engine for Allwinner A31 SoCs.
406 tristate "Renesas Type-AXI NBPF DMA support"
408 depends on ARM || COMPILE_TEST
410 Support for "Type-AXI" NBPF DMA IPs from Renesas
415 config DMA_VIRTUAL_CHANNELS
427 comment "DMA Clients"
428 depends on DMA_ENGINE
431 bool "Network: TCP receive copy offload"
432 depends on DMA_ENGINE && NET
433 default (INTEL_IOATDMA || FSL_DMA)
436 This enables the use of DMA engines in the network stack to
437 offload receive copy-to-user operations, freeing CPU cycles.
439 Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
443 bool "Async_tx: Offload support for the async_tx api"
444 depends on DMA_ENGINE
446 This allows the async_tx api to take advantage of offload engines for
447 memcpy, memset, xor, and raid6 p+q operations. If your platform has
448 a dma engine that can perform raid operations and you have enabled
454 tristate "DMA Test client"
455 depends on DMA_ENGINE
457 Simple DMA test client. Say N unless you're debugging a
460 config DMA_ENGINE_RAID
464 tristate "QCOM BAM DMA support"
465 depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM)
467 select DMA_VIRTUAL_CHANNELS
469 Enable support for the QCOM BAM DMA controller. This controller
470 provides DMA capabilities for a variety of on-chip devices.