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.
116 tristate "Freescale RAID engine Support"
117 depends on FSL_SOC && !ASYNC_TX_ENABLE_CHANNEL_SWITCH
119 select DMA_ENGINE_RAID
121 Enable support for Freescale RAID Engine. RAID Engine is
122 available on some QorIQ SoCs (like P5020/P5040). It has
123 the capability to offload memcpy, xor and pq computation
126 source "drivers/dma/hsu/Kconfig"
129 tristate "Freescale MPC512x built-in DMA engine support"
130 depends on PPC_MPC512x || PPC_MPC831x
133 Enable support for the Freescale MPC512x built-in DMA engine.
135 source "drivers/dma/bestcomm/Kconfig"
138 bool "Marvell XOR engine support"
139 depends on PLAT_ORION
141 select DMA_ENGINE_RAID
142 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
144 Enable support for the Marvell XOR engine.
147 bool "MX3x Image Processing Unit support"
152 If you plan to use the Image Processing unit in the i.MX3x, say
153 Y here. If unsure, select Y.
156 int "Number of dynamically mapped interrupts for IPU"
161 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
162 To avoid bloating the irq_desc[] array we allocate a sufficient
163 number of IRQ slots and map them dynamically to specific sources.
166 bool "PXA DMA support"
167 depends on (ARCH_MMP || ARCH_PXA)
169 select DMA_VIRTUAL_CHANNELS
171 Support the DMA engine for PXA. It is also compatible with MMP PDMA
172 platform. The internal DMA IP of all PXA variants is supported, with
173 16 to 32 channels for peripheral to memory or memory to memory
177 tristate "Toshiba TXx9 SoC DMA support"
178 depends on MACH_TX49XX || MACH_TX39XX
181 Support the TXx9 SoC internal DMA controller. This can be
182 integrated in chips such as the Toshiba TX4927/38/39.
184 config TEGRA20_APB_DMA
185 bool "NVIDIA Tegra20 APB DMA support"
186 depends on ARCH_TEGRA
189 Support for the NVIDIA Tegra20 APB DMA controller driver. The
190 DMA controller is having multiple DMA channel which can be
191 configured for different peripherals like audio, UART, SPI,
192 I2C etc which is in APB bus.
193 This DMA controller transfers data from memory to peripheral fifo
194 or vice versa. It does not support memory to memory data transfer.
197 tristate "Samsung S3C24XX DMA support"
198 depends on ARCH_S3C24XX
200 select DMA_VIRTUAL_CHANNELS
202 Support for the Samsung S3C24XX DMA controller driver. The
203 DMA controller is having multiple DMA channels which can be
204 configured for different peripherals like audio, UART, SPI.
205 The DMA controller can transfer data from memory to peripheral,
206 periphal to memory, periphal to periphal and memory to memory.
208 source "drivers/dma/sh/Kconfig"
211 bool "ST-Ericsson COH901318 DMA support"
215 Enable support for ST-Ericsson COH 901 318 DMA.
218 bool "ST-Ericsson DMA40 support"
219 depends on ARCH_U8500
222 Support for ST-Ericsson DMA40 controller
224 config AMCC_PPC440SPE_ADMA
225 tristate "AMCC PPC440SPe ADMA support"
226 depends on 440SPe || 440SP
228 select DMA_ENGINE_RAID
229 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
230 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
232 Enable support for the AMCC PPC440SPe RAID engines.
235 tristate "Timberdale FPGA DMA support"
236 depends on MFD_TIMBERDALE
239 Enable support for the Timberdale FPGA DMA engine.
242 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
246 Enable support for the CSR SiRFprimaII DMA engine.
249 bool "TI EDMA support"
250 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
252 select DMA_VIRTUAL_CHANNELS
256 Enable support for the TI EDMA controller. This DMA
257 engine is found on TI DaVinci and AM33xx parts.
259 config TI_DMA_CROSSBAR
262 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
266 tristate "DMA API Driver for PL330"
270 Select if your platform has one or more PL330 DMACs.
271 You need to provide platform specific settings via
272 platform_data for a dma-pl330 device.
275 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
276 depends on PCI && (X86_32 || COMPILE_TEST)
279 Enable support for Intel EG20T PCH DMA engine.
281 This driver also can be used for LAPIS Semiconductor IOH(Input/
282 Output Hub), ML7213, ML7223 and ML7831.
283 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
284 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
285 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
286 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
289 tristate "i.MX SDMA support"
293 Support the i.MX SDMA engine. This engine is integrated into
294 Freescale i.MX25/31/35/51/53/6 chips.
297 tristate "i.MX DMA support"
301 Support the i.MX DMA engine. This engine is integrated into
302 Freescale i.MX1/21/27 chips.
305 bool "MXS DMA support"
306 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
310 Support the MXS DMA engine. This engine including APBH-DMA
311 and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips.
314 bool "Cirrus Logic EP93xx DMA support"
315 depends on ARCH_EP93XX
318 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
321 tristate "SA-11x0 DMA support"
322 depends on ARCH_SA1100
324 select DMA_VIRTUAL_CHANNELS
326 Support the DMA engine found on Intel StrongARM SA-1100 and
327 SA-1110 SoCs. This DMA engine can only be used with on-chip
331 bool "MMP Two-Channel DMA support"
336 Support the MMP Two-Channel DMA engine.
337 This engine used for MMP Audio DMA and pxa910 SQU.
338 It needs sram driver under mach-mmp.
340 Say Y here if you enabled MMP ADMA, otherwise say N.
343 tristate "OMAP DMA support"
346 select DMA_VIRTUAL_CHANNELS
347 select TI_DMA_CROSSBAR if SOC_DRA7XX
350 tristate "BCM2835 DMA engine support"
351 depends on ARCH_BCM2835
353 select DMA_VIRTUAL_CHANNELS
356 tristate "AM33xx CPPI41 DMA support"
360 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
361 is currently used by the USB driver on AM335x platforms.
364 bool "MMP PDMA support"
365 depends on (ARCH_MMP || ARCH_PXA)
368 Support the MMP PDMA engine for PXA and MMP platform.
371 tristate "JZ4740 DMA support"
372 depends on MACH_JZ4740
374 select DMA_VIRTUAL_CHANNELS
377 tristate "JZ4780 DMA support"
378 depends on MACH_JZ4780
380 select DMA_VIRTUAL_CHANNELS
382 This selects support for the DMA controller in Ingenic JZ4780 SoCs.
383 If you have a board based on such a SoC and wish to use DMA for
384 devices which can use the DMA controller, say Y or M here.
387 tristate "Hisilicon K3 DMA support"
388 depends on ARCH_HI3xxx
390 select DMA_VIRTUAL_CHANNELS
392 Support the DMA engine for Hisilicon K3 platform
396 tristate "MOXART DMA support"
397 depends on ARCH_MOXART
400 select DMA_VIRTUAL_CHANNELS
402 Enable support for the MOXA ART SoC DMA controller.
405 tristate "Freescale eDMA engine support"
408 select DMA_VIRTUAL_CHANNELS
410 Support the Freescale eDMA engine with programmable channel
411 multiplexing capability for DMA request sources(slot).
412 This module can be found on Freescale Vybrid and LS-1 SoCs.
415 tristate "Xilinx AXI VDMA Engine"
416 depends on (ARCH_ZYNQ || MICROBLAZE)
419 Enable support for Xilinx AXI VDMA Soft IP.
421 This engine provides high-bandwidth direct memory access
422 between memory and AXI4-Stream video type target
423 peripherals including peripherals which support AXI4-
424 Stream Video Protocol. It has two stream interfaces/
425 channels, Memory Mapped to Stream (MM2S) and Stream to
426 Memory Mapped (S2MM) for the data transfers.
429 tristate "Allwinner A31 SoCs DMA support"
430 depends on MACH_SUN6I || MACH_SUN8I || COMPILE_TEST
431 depends on RESET_CONTROLLER
433 select DMA_VIRTUAL_CHANNELS
435 Support for the DMA engine first found in Allwinner A31 SoCs.
438 tristate "Renesas Type-AXI NBPF DMA support"
440 depends on ARM || COMPILE_TEST
442 Support for "Type-AXI" NBPF DMA IPs from Renesas
445 tristate "IMG MDC support"
446 depends on MIPS || COMPILE_TEST
447 depends on MFD_SYSCON
449 select DMA_VIRTUAL_CHANNELS
451 Enable support for the IMG multi-threaded DMA controller (MDC).
454 tristate "APM X-Gene DMA support"
455 depends on ARCH_XGENE || COMPILE_TEST
457 select DMA_ENGINE_RAID
458 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
460 Enable support for the APM X-Gene SoC DMA engine.
465 config DMA_VIRTUAL_CHANNELS
477 comment "DMA Clients"
478 depends on DMA_ENGINE
481 bool "Async_tx: Offload support for the async_tx api"
482 depends on DMA_ENGINE
484 This allows the async_tx api to take advantage of offload engines for
485 memcpy, memset, xor, and raid6 p+q operations. If your platform has
486 a dma engine that can perform raid operations and you have enabled
492 tristate "DMA Test client"
493 depends on DMA_ENGINE
495 Simple DMA test client. Say N unless you're debugging a
498 config DMA_ENGINE_RAID
502 tristate "QCOM BAM DMA support"
503 depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM)
505 select DMA_VIRTUAL_CHANNELS
507 Enable support for the QCOM BAM DMA controller. This controller
508 provides DMA capabilities for a variety of on-chip devices.