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"
67 Enable support for the Intel(R) I/OAT DMA engine present
68 in recent Intel Xeon chipsets.
70 Say Y here if you have such a chipset.
75 tristate "Intel IOP ADMA support"
76 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
78 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
80 Enable support for the Intel(R) IOP Series RAID engines.
82 source "drivers/dma/dw/Kconfig"
85 tristate "Atmel AHB DMA support"
89 Support the Atmel AHB DMA controller.
92 tristate "Freescale Elo and Elo Plus DMA support"
95 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
97 Enable support for the Freescale Elo and Elo Plus DMA controllers.
98 The Elo is the DMA controller on some 82xx and 83xx parts, and the
99 Elo Plus is the DMA controller on 85xx and 86xx parts.
102 tristate "Freescale MPC512x built-in DMA engine support"
103 depends on PPC_MPC512x || PPC_MPC831x
106 Enable support for the Freescale MPC512x built-in DMA engine.
108 source "drivers/dma/bestcomm/Kconfig"
111 bool "Marvell XOR engine support"
112 depends on PLAT_ORION
114 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
116 Enable support for the Marvell XOR engine.
119 bool "MX3x Image Processing Unit support"
124 If you plan to use the Image Processing unit in the i.MX3x, say
125 Y here. If unsure, select Y.
128 int "Number of dynamically mapped interrupts for IPU"
133 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
134 To avoid bloating the irq_desc[] array we allocate a sufficient
135 number of IRQ slots and map them dynamically to specific sources.
138 tristate "Toshiba TXx9 SoC DMA support"
139 depends on MACH_TX49XX || MACH_TX39XX
142 Support the TXx9 SoC internal DMA controller. This can be
143 integrated in chips such as the Toshiba TX4927/38/39.
145 config TEGRA20_APB_DMA
146 bool "NVIDIA Tegra20 APB DMA support"
147 depends on ARCH_TEGRA
150 Support for the NVIDIA Tegra20 APB DMA controller driver. The
151 DMA controller is having multiple DMA channel which can be
152 configured for different peripherals like audio, UART, SPI,
153 I2C etc which is in APB bus.
154 This DMA controller transfers data from memory to peripheral fifo
155 or vice versa. It does not support memory to memory data transfer.
158 tristate "Samsung S3C24XX DMA support"
159 depends on ARCH_S3C24XX && !S3C24XX_DMA
161 select DMA_VIRTUAL_CHANNELS
163 Support for the Samsung S3C24XX DMA controller driver. The
164 DMA controller is having multiple DMA channels which can be
165 configured for different peripherals like audio, UART, SPI.
166 The DMA controller can transfer data from memory to peripheral,
167 periphal to memory, periphal to periphal and memory to memory.
169 source "drivers/dma/sh/Kconfig"
172 bool "ST-Ericsson COH901318 DMA support"
176 Enable support for ST-Ericsson COH 901 318 DMA.
179 bool "ST-Ericsson DMA40 support"
180 depends on ARCH_U8500
183 Support for ST-Ericsson DMA40 controller
185 config AMCC_PPC440SPE_ADMA
186 tristate "AMCC PPC440SPe ADMA support"
187 depends on 440SPe || 440SP
189 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
190 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
192 Enable support for the AMCC PPC440SPe RAID engines.
195 tristate "Timberdale FPGA DMA support"
196 depends on MFD_TIMBERDALE || HAS_IOMEM
199 Enable support for the Timberdale FPGA DMA engine.
202 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
206 Enable support for the CSR SiRFprimaII DMA engine.
209 bool "TI EDMA support"
210 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
212 select DMA_VIRTUAL_CHANNELS
216 Enable support for the TI EDMA controller. This DMA
217 engine is found on TI DaVinci and AM33xx parts.
219 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
223 tristate "DMA API Driver for PL330"
227 Select if your platform has one or more PL330 DMACs.
228 You need to provide platform specific settings via
229 platform_data for a dma-pl330 device.
232 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
233 depends on PCI && X86
236 Enable support for Intel EG20T PCH DMA engine.
238 This driver also can be used for LAPIS Semiconductor IOH(Input/
239 Output Hub), ML7213, ML7223 and ML7831.
240 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
241 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
242 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
243 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
246 tristate "i.MX SDMA support"
250 Support the i.MX SDMA engine. This engine is integrated into
251 Freescale i.MX25/31/35/51/53 chips.
254 tristate "i.MX DMA support"
258 Support the i.MX DMA engine. This engine is integrated into
259 Freescale i.MX1/21/27 chips.
262 bool "MXS DMA support"
263 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
267 Support the MXS DMA engine. This engine including APBH-DMA
268 and APBX-DMA is integrated into Freescale i.MX23/28 chips.
271 bool "Cirrus Logic EP93xx DMA support"
272 depends on ARCH_EP93XX
275 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
278 tristate "SA-11x0 DMA support"
279 depends on ARCH_SA1100
281 select DMA_VIRTUAL_CHANNELS
283 Support the DMA engine found on Intel StrongARM SA-1100 and
284 SA-1110 SoCs. This DMA engine can only be used with on-chip
288 bool "MMP Two-Channel DMA support"
292 Support the MMP Two-Channel DMA engine.
293 This engine used for MMP Audio DMA and pxa910 SQU.
295 Say Y here if you enabled MMP ADMA, otherwise say N.
298 tristate "OMAP DMA support"
301 select DMA_VIRTUAL_CHANNELS
304 tristate "AM33xx CPPI41 DMA support"
308 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
309 is currently used by the USB driver on AM335x platforms.
312 bool "MMP PDMA support"
313 depends on (ARCH_MMP || ARCH_PXA)
316 Support the MMP PDMA engine for PXA and MMP platform.
319 tristate "JZ4740 DMA support"
320 depends on MACH_JZ4740
322 select DMA_VIRTUAL_CHANNELS
325 tristate "Hisilicon K3 DMA support"
326 depends on ARCH_HI3xxx
328 select DMA_VIRTUAL_CHANNELS
330 Support the DMA engine for Hisilicon K3 platform
336 config DMA_VIRTUAL_CHANNELS
347 comment "DMA Clients"
348 depends on DMA_ENGINE
351 bool "Network: TCP receive copy offload"
352 depends on DMA_ENGINE && NET
353 default (INTEL_IOATDMA || FSL_DMA)
355 This enables the use of DMA engines in the network stack to
356 offload receive copy-to-user operations, freeing CPU cycles.
358 Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
362 bool "Async_tx: Offload support for the async_tx api"
363 depends on DMA_ENGINE
365 This allows the async_tx api to take advantage of offload engines for
366 memcpy, memset, xor, and raid6 p+q operations. If your platform has
367 a dma engine that can perform raid operations and you have enabled
373 tristate "DMA Test client"
374 depends on DMA_ENGINE
376 Simple DMA test client. Say N unless you're debugging a