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 tristate "Intel MID DMA support for Peripheral DMA controllers"
42 Enable support for the Intel(R) MID DMA engine present
43 in Intel MID chipsets.
45 Say Y here if you have such a chipset.
49 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
53 bool "ARM PrimeCell PL080 or PL081 support"
56 select DMA_VIRTUAL_CHANNELS
58 Platform has a PL08x DMAC device
59 which can provide DMA engine support
62 tristate "Intel I/OAT DMA support"
65 select DMA_ENGINE_RAID
68 Enable support for the Intel(R) I/OAT DMA engine present
69 in recent Intel Xeon chipsets.
71 Say Y here if you have such a chipset.
76 tristate "Intel IOP ADMA support"
77 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
79 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
81 Enable support for the Intel(R) IOP Series RAID engines.
83 source "drivers/dma/dw/Kconfig"
86 tristate "Atmel AHB DMA support"
90 Support the Atmel AHB DMA controller.
93 tristate "Freescale Elo series DMA support"
96 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
98 Enable support for the Freescale Elo series DMA controllers.
99 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
100 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
101 some Txxx and Bxxx parts.
104 tristate "Freescale MPC512x built-in DMA engine support"
105 depends on PPC_MPC512x || PPC_MPC831x
108 Enable support for the Freescale MPC512x built-in DMA engine.
110 source "drivers/dma/bestcomm/Kconfig"
113 bool "Marvell XOR engine support"
114 depends on PLAT_ORION
116 select DMA_ENGINE_RAID
117 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
119 Enable support for the Marvell XOR engine.
122 bool "MX3x Image Processing Unit support"
127 If you plan to use the Image Processing unit in the i.MX3x, say
128 Y here. If unsure, select Y.
131 int "Number of dynamically mapped interrupts for IPU"
136 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
137 To avoid bloating the irq_desc[] array we allocate a sufficient
138 number of IRQ slots and map them dynamically to specific sources.
141 bool "MXC PxP V2 support"
145 Support the PxP (Pixel Pipeline) on i.MX6 DualLite and i.MX6 SoloLite.
148 config MXC_PXP_CLIENT_DEVICE
149 bool "MXC PxP Client Device"
151 depends on MXC_PXP_V2
154 tristate "Toshiba TXx9 SoC DMA support"
155 depends on MACH_TX49XX || MACH_TX39XX
158 Support the TXx9 SoC internal DMA controller. This can be
159 integrated in chips such as the Toshiba TX4927/38/39.
161 config TEGRA20_APB_DMA
162 bool "NVIDIA Tegra20 APB DMA support"
163 depends on ARCH_TEGRA
166 Support for the NVIDIA Tegra20 APB DMA controller driver. The
167 DMA controller is having multiple DMA channel which can be
168 configured for different peripherals like audio, UART, SPI,
169 I2C etc which is in APB bus.
170 This DMA controller transfers data from memory to peripheral fifo
171 or vice versa. It does not support memory to memory data transfer.
174 tristate "Samsung S3C24XX DMA support"
175 depends on ARCH_S3C24XX && !S3C24XX_DMA
177 select DMA_VIRTUAL_CHANNELS
179 Support for the Samsung S3C24XX DMA controller driver. The
180 DMA controller is having multiple DMA channels which can be
181 configured for different peripherals like audio, UART, SPI.
182 The DMA controller can transfer data from memory to peripheral,
183 periphal to memory, periphal to periphal and memory to memory.
185 source "drivers/dma/sh/Kconfig"
188 bool "ST-Ericsson COH901318 DMA support"
192 Enable support for ST-Ericsson COH 901 318 DMA.
195 bool "ST-Ericsson DMA40 support"
196 depends on ARCH_U8500
199 Support for ST-Ericsson DMA40 controller
201 config AMCC_PPC440SPE_ADMA
202 tristate "AMCC PPC440SPe ADMA support"
203 depends on 440SPe || 440SP
205 select DMA_ENGINE_RAID
206 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
207 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
209 Enable support for the AMCC PPC440SPe RAID engines.
212 tristate "Timberdale FPGA DMA support"
213 depends on MFD_TIMBERDALE
216 Enable support for the Timberdale FPGA DMA engine.
219 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
223 Enable support for the CSR SiRFprimaII DMA engine.
226 bool "TI EDMA support"
227 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
229 select DMA_VIRTUAL_CHANNELS
233 Enable support for the TI EDMA controller. This DMA
234 engine is found on TI DaVinci and AM33xx parts.
236 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
240 tristate "DMA API Driver for PL330"
244 Select if your platform has one or more PL330 DMACs.
245 You need to provide platform specific settings via
246 platform_data for a dma-pl330 device.
249 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
250 depends on PCI && (X86_32 || COMPILE_TEST)
253 Enable support for Intel EG20T PCH DMA engine.
255 This driver also can be used for LAPIS Semiconductor IOH(Input/
256 Output Hub), ML7213, ML7223 and ML7831.
257 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
258 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
259 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
260 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
263 tristate "i.MX SDMA support"
267 Support the i.MX SDMA engine. This engine is integrated into
268 Freescale i.MX25/31/35/51/53 chips.
271 tristate "i.MX DMA support"
275 Support the i.MX DMA engine. This engine is integrated into
276 Freescale i.MX1/21/27 chips.
279 bool "MXS DMA support"
280 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
284 Support the MXS DMA engine. This engine including APBH-DMA
285 and APBX-DMA is integrated into Freescale i.MX23/28/MX6Q/MX6DL chips.
288 bool "Cirrus Logic EP93xx DMA support"
289 depends on ARCH_EP93XX
292 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
295 tristate "SA-11x0 DMA support"
296 depends on ARCH_SA1100
298 select DMA_VIRTUAL_CHANNELS
300 Support the DMA engine found on Intel StrongARM SA-1100 and
301 SA-1110 SoCs. This DMA engine can only be used with on-chip
305 bool "MMP Two-Channel DMA support"
310 Support the MMP Two-Channel DMA engine.
311 This engine used for MMP Audio DMA and pxa910 SQU.
312 It needs sram driver under mach-mmp.
314 Say Y here if you enabled MMP ADMA, otherwise say N.
317 tristate "OMAP DMA support"
320 select DMA_VIRTUAL_CHANNELS
323 tristate "BCM2835 DMA engine support"
324 depends on ARCH_BCM2835
326 select DMA_VIRTUAL_CHANNELS
329 tristate "AM33xx CPPI41 DMA support"
333 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
334 is currently used by the USB driver on AM335x platforms.
337 bool "MMP PDMA support"
338 depends on (ARCH_MMP || ARCH_PXA)
341 Support the MMP PDMA engine for PXA and MMP platform.
344 tristate "JZ4740 DMA support"
345 depends on MACH_JZ4740
347 select DMA_VIRTUAL_CHANNELS
350 tristate "Hisilicon K3 DMA support"
351 depends on ARCH_HI3xxx
353 select DMA_VIRTUAL_CHANNELS
355 Support the DMA engine for Hisilicon K3 platform
359 tristate "MOXART DMA support"
360 depends on ARCH_MOXART
363 select DMA_VIRTUAL_CHANNELS
365 Enable support for the MOXA ART SoC DMA controller.
368 tristate "Freescale eDMA engine support"
371 select DMA_VIRTUAL_CHANNELS
373 Support the Freescale eDMA engine with programmable channel
374 multiplexing capability for DMA request sources(slot).
375 This module can be found on Freescale Vybrid and LS-1 SoCs.
378 tristate "Xilinx AXI VDMA Engine"
379 depends on (ARCH_ZYNQ || MICROBLAZE)
382 Enable support for Xilinx AXI VDMA Soft IP.
384 This engine provides high-bandwidth direct memory access
385 between memory and AXI4-Stream video type target
386 peripherals including peripherals which support AXI4-
387 Stream Video Protocol. It has two stream interfaces/
388 channels, Memory Mapped to Stream (MM2S) and Stream to
389 Memory Mapped (S2MM) for the data transfers.
394 config DMA_VIRTUAL_CHANNELS
405 comment "DMA Clients"
406 depends on DMA_ENGINE
409 bool "Network: TCP receive copy offload"
410 depends on DMA_ENGINE && NET
411 default (INTEL_IOATDMA || FSL_DMA)
414 This enables the use of DMA engines in the network stack to
415 offload receive copy-to-user operations, freeing CPU cycles.
417 Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
421 bool "Async_tx: Offload support for the async_tx api"
422 depends on DMA_ENGINE
424 This allows the async_tx api to take advantage of offload engines for
425 memcpy, memset, xor, and raid6 p+q operations. If your platform has
426 a dma engine that can perform raid operations and you have enabled
432 tristate "DMA Test client"
433 depends on DMA_ENGINE
435 Simple DMA test client. Say N unless you're debugging a
438 config DMA_ENGINE_RAID
442 tristate "QCOM BAM DMA support"
443 depends on ARCH_QCOM || (COMPILE_TEST && OF && ARM)
445 select DMA_VIRTUAL_CHANNELS
447 Enable support for the QCOM BAM DMA controller. This controller
448 provides DMA capabilities for a variety of on-chip devices.