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>.
54 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
58 bool "ARM PrimeCell PL080 or PL081 support"
61 select DMA_VIRTUAL_CHANNELS
63 Platform has a PL08x DMAC device
64 which can provide DMA engine support
67 tristate "Intel I/OAT DMA support"
70 select DMA_ENGINE_RAID
73 Enable support for the Intel(R) I/OAT DMA engine present
74 in recent Intel Xeon chipsets.
76 Say Y here if you have such a chipset.
81 tristate "Intel IOP ADMA support"
82 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
84 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
86 Enable support for the Intel(R) IOP Series RAID engines.
88 source "drivers/dma/dw/Kconfig"
91 tristate "Atmel AHB DMA support"
95 Support the Atmel AHB DMA controller.
98 tristate "Atmel XDMA support"
102 Support the Atmel XDMA controller.
105 tristate "Freescale Elo series DMA support"
108 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
110 Enable support for the Freescale Elo series DMA controllers.
111 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
112 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
113 some Txxx and Bxxx parts.
115 source "drivers/dma/hsu/Kconfig"
118 tristate "Freescale MPC512x built-in DMA engine support"
119 depends on PPC_MPC512x || PPC_MPC831x
122 Enable support for the Freescale MPC512x built-in DMA engine.
124 source "drivers/dma/bestcomm/Kconfig"
127 bool "Marvell XOR engine support"
128 depends on PLAT_ORION
130 select DMA_ENGINE_RAID
131 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
133 Enable support for the Marvell XOR engine.
136 bool "MX3x Image Processing Unit support"
141 If you plan to use the Image Processing unit in the i.MX3x, say
142 Y here. If unsure, select Y.
145 int "Number of dynamically mapped interrupts for IPU"
150 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
151 To avoid bloating the irq_desc[] array we allocate a sufficient
152 number of IRQ slots and map them dynamically to specific sources.
155 tristate "Toshiba TXx9 SoC DMA support"
156 depends on MACH_TX49XX || MACH_TX39XX
159 Support the TXx9 SoC internal DMA controller. This can be
160 integrated in chips such as the Toshiba TX4927/38/39.
162 config TEGRA20_APB_DMA
163 bool "NVIDIA Tegra20 APB DMA support"
164 depends on ARCH_TEGRA
167 Support for the NVIDIA Tegra20 APB DMA controller driver. The
168 DMA controller is having multiple DMA channel which can be
169 configured for different peripherals like audio, UART, SPI,
170 I2C etc which is in APB bus.
171 This DMA controller transfers data from memory to peripheral fifo
172 or vice versa. It does not support memory to memory data transfer.
175 tristate "Samsung S3C24XX DMA support"
176 depends on ARCH_S3C24XX
178 select DMA_VIRTUAL_CHANNELS
180 Support for the Samsung S3C24XX DMA controller driver. The
181 DMA controller is having multiple DMA channels which can be
182 configured for different peripherals like audio, UART, SPI.
183 The DMA controller can transfer data from memory to peripheral,
184 periphal to memory, periphal to periphal and memory to memory.
186 source "drivers/dma/sh/Kconfig"
189 bool "ST-Ericsson COH901318 DMA support"
193 Enable support for ST-Ericsson COH 901 318 DMA.
196 bool "ST-Ericsson DMA40 support"
197 depends on ARCH_U8500
200 Support for ST-Ericsson DMA40 controller
202 config AMCC_PPC440SPE_ADMA
203 tristate "AMCC PPC440SPe ADMA support"
204 depends on 440SPe || 440SP
206 select DMA_ENGINE_RAID
207 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
208 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
210 Enable support for the AMCC PPC440SPe RAID engines.
213 tristate "Timberdale FPGA DMA support"
214 depends on MFD_TIMBERDALE
217 Enable support for the Timberdale FPGA DMA engine.
220 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
224 Enable support for the CSR SiRFprimaII DMA engine.
227 bool "TI EDMA support"
228 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
230 select DMA_VIRTUAL_CHANNELS
234 Enable support for the TI EDMA controller. This DMA
235 engine is found on TI DaVinci and AM33xx parts.
237 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
241 tristate "DMA API Driver for PL330"
245 Select if your platform has one or more PL330 DMACs.
246 You need to provide platform specific settings via
247 platform_data for a dma-pl330 device.
250 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
251 depends on PCI && (X86_32 || COMPILE_TEST)
254 Enable support for Intel EG20T PCH DMA engine.
256 This driver also can be used for LAPIS Semiconductor IOH(Input/
257 Output Hub), ML7213, ML7223 and ML7831.
258 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
259 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
260 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
261 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
264 tristate "i.MX SDMA support"
268 Support the i.MX SDMA engine. This engine is integrated into
269 Freescale i.MX25/31/35/51/53/6 chips.
272 tristate "i.MX DMA support"
276 Support the i.MX DMA engine. This engine is integrated into
277 Freescale i.MX1/21/27 chips.
280 bool "MXS DMA support"
281 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
285 Support the MXS DMA engine. This engine including APBH-DMA
286 and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips.
289 bool "Cirrus Logic EP93xx DMA support"
290 depends on ARCH_EP93XX
293 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
296 tristate "SA-11x0 DMA support"
297 depends on ARCH_SA1100
299 select DMA_VIRTUAL_CHANNELS
301 Support the DMA engine found on Intel StrongARM SA-1100 and
302 SA-1110 SoCs. This DMA engine can only be used with on-chip
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.
315 Say Y here if you enabled MMP ADMA, otherwise say N.
318 tristate "OMAP DMA support"
321 select DMA_VIRTUAL_CHANNELS
324 tristate "BCM2835 DMA engine support"
325 depends on ARCH_BCM2835
327 select DMA_VIRTUAL_CHANNELS
330 tristate "AM33xx CPPI41 DMA support"
334 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
335 is currently used by the USB driver on AM335x platforms.
338 bool "MMP PDMA support"
339 depends on (ARCH_MMP || ARCH_PXA)
342 Support the MMP PDMA engine for PXA and MMP platform.
345 tristate "JZ4740 DMA support"
346 depends on MACH_JZ4740
348 select DMA_VIRTUAL_CHANNELS
351 tristate "Hisilicon K3 DMA support"
352 depends on ARCH_HI3xxx
354 select DMA_VIRTUAL_CHANNELS
356 Support the DMA engine for Hisilicon K3 platform
360 tristate "MOXART DMA support"
361 depends on ARCH_MOXART
364 select DMA_VIRTUAL_CHANNELS
366 Enable support for the MOXA ART SoC DMA controller.
369 tristate "Freescale eDMA engine support"
372 select DMA_VIRTUAL_CHANNELS
374 Support the Freescale eDMA engine with programmable channel
375 multiplexing capability for DMA request sources(slot).
376 This module can be found on Freescale Vybrid and LS-1 SoCs.
379 tristate "Xilinx AXI VDMA Engine"
380 depends on (ARCH_ZYNQ || MICROBLAZE)
383 Enable support for Xilinx AXI VDMA Soft IP.
385 This engine provides high-bandwidth direct memory access
386 between memory and AXI4-Stream video type target
387 peripherals including peripherals which support AXI4-
388 Stream Video Protocol. It has two stream interfaces/
389 channels, Memory Mapped to Stream (MM2S) and Stream to
390 Memory Mapped (S2MM) for the data transfers.
393 tristate "Allwinner A31 SoCs DMA support"
394 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
395 depends on RESET_CONTROLLER
397 select DMA_VIRTUAL_CHANNELS
399 Support for the DMA engine first found in Allwinner A31 SoCs.
402 tristate "Renesas Type-AXI NBPF DMA support"
404 depends on ARM || COMPILE_TEST
406 Support for "Type-AXI" NBPF DMA IPs from Renesas
409 tristate "IMG MDC support"
410 depends on MIPS || COMPILE_TEST
411 depends on MFD_SYSCON
413 select DMA_VIRTUAL_CHANNELS
415 Enable support for the IMG multi-threaded DMA controller (MDC).
420 config DMA_VIRTUAL_CHANNELS
432 comment "DMA Clients"
433 depends on DMA_ENGINE
436 bool "Async_tx: Offload support for the async_tx api"
437 depends on DMA_ENGINE
439 This allows the async_tx api to take advantage of offload engines for
440 memcpy, memset, xor, and raid6 p+q operations. If your platform has
441 a dma engine that can perform raid operations and you have enabled
447 tristate "DMA Test client"
448 depends on DMA_ENGINE
450 Simple DMA test client. Say N unless you're debugging a
453 config DMA_ENGINE_RAID
457 tristate "QCOM BAM DMA support"
458 depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM)
460 select DMA_VIRTUAL_CHANNELS
462 Enable support for the QCOM BAM DMA controller. This controller
463 provides DMA capabilities for a variety of on-chip devices.