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 series DMA support"
95 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
97 Enable support for the Freescale Elo series DMA controllers.
98 The Elo is the DMA controller on some mpc82xx and mpc83xx parts, the
99 EloPlus is on mpc85xx and mpc86xx and Pxxx parts, and the Elo3 is on
100 some Txxx and Bxxx parts.
103 tristate "Freescale MPC512x built-in DMA engine support"
104 depends on PPC_MPC512x || PPC_MPC831x
107 Enable support for the Freescale MPC512x built-in DMA engine.
109 source "drivers/dma/bestcomm/Kconfig"
112 bool "Marvell XOR engine support"
113 depends on PLAT_ORION
115 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
117 Enable support for the Marvell XOR engine.
120 bool "MX3x Image Processing Unit support"
125 If you plan to use the Image Processing unit in the i.MX3x, say
126 Y here. If unsure, select Y.
129 int "Number of dynamically mapped interrupts for IPU"
134 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
135 To avoid bloating the irq_desc[] array we allocate a sufficient
136 number of IRQ slots and map them dynamically to specific sources.
139 tristate "Toshiba TXx9 SoC DMA support"
140 depends on MACH_TX49XX || MACH_TX39XX
143 Support the TXx9 SoC internal DMA controller. This can be
144 integrated in chips such as the Toshiba TX4927/38/39.
146 config TEGRA20_APB_DMA
147 bool "NVIDIA Tegra20 APB DMA support"
148 depends on ARCH_TEGRA
151 Support for the NVIDIA Tegra20 APB DMA controller driver. The
152 DMA controller is having multiple DMA channel which can be
153 configured for different peripherals like audio, UART, SPI,
154 I2C etc which is in APB bus.
155 This DMA controller transfers data from memory to peripheral fifo
156 or vice versa. It does not support memory to memory data transfer.
159 tristate "Samsung S3C24XX DMA support"
160 depends on ARCH_S3C24XX && !S3C24XX_DMA
162 select DMA_VIRTUAL_CHANNELS
164 Support for the Samsung S3C24XX DMA controller driver. The
165 DMA controller is having multiple DMA channels which can be
166 configured for different peripherals like audio, UART, SPI.
167 The DMA controller can transfer data from memory to peripheral,
168 periphal to memory, periphal to periphal and memory to memory.
170 source "drivers/dma/sh/Kconfig"
173 bool "ST-Ericsson COH901318 DMA support"
177 Enable support for ST-Ericsson COH 901 318 DMA.
180 bool "ST-Ericsson DMA40 support"
181 depends on ARCH_U8500
184 Support for ST-Ericsson DMA40 controller
186 config AMCC_PPC440SPE_ADMA
187 tristate "AMCC PPC440SPe ADMA support"
188 depends on 440SPe || 440SP
190 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
191 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
193 Enable support for the AMCC PPC440SPe RAID engines.
196 tristate "Timberdale FPGA DMA support"
197 depends on MFD_TIMBERDALE || HAS_IOMEM
200 Enable support for the Timberdale FPGA DMA engine.
203 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
207 Enable support for the CSR SiRFprimaII DMA engine.
210 bool "TI EDMA support"
211 depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE
213 select DMA_VIRTUAL_CHANNELS
217 Enable support for the TI EDMA controller. This DMA
218 engine is found on TI DaVinci and AM33xx parts.
220 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
224 tristate "DMA API Driver for PL330"
228 Select if your platform has one or more PL330 DMACs.
229 You need to provide platform specific settings via
230 platform_data for a dma-pl330 device.
233 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
234 depends on PCI && X86
237 Enable support for Intel EG20T PCH DMA engine.
239 This driver also can be used for LAPIS Semiconductor IOH(Input/
240 Output Hub), ML7213, ML7223 and ML7831.
241 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
242 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
243 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
244 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
247 tristate "i.MX SDMA support"
251 Support the i.MX SDMA engine. This engine is integrated into
252 Freescale i.MX25/31/35/51/53 chips.
255 tristate "i.MX DMA support"
259 Support the i.MX DMA engine. This engine is integrated into
260 Freescale i.MX1/21/27 chips.
263 bool "MXS DMA support"
264 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
268 Support the MXS DMA engine. This engine including APBH-DMA
269 and APBX-DMA is integrated into Freescale i.MX23/28 chips.
272 bool "Cirrus Logic EP93xx DMA support"
273 depends on ARCH_EP93XX
276 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
279 tristate "SA-11x0 DMA support"
280 depends on ARCH_SA1100
282 select DMA_VIRTUAL_CHANNELS
284 Support the DMA engine found on Intel StrongARM SA-1100 and
285 SA-1110 SoCs. This DMA engine can only be used with on-chip
289 bool "MMP Two-Channel DMA support"
293 Support the MMP Two-Channel DMA engine.
294 This engine used for MMP Audio DMA and pxa910 SQU.
296 Say Y here if you enabled MMP ADMA, otherwise say N.
299 tristate "OMAP DMA support"
302 select DMA_VIRTUAL_CHANNELS
305 tristate "AM33xx CPPI41 DMA support"
309 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
310 is currently used by the USB driver on AM335x platforms.
313 bool "MMP PDMA support"
314 depends on (ARCH_MMP || ARCH_PXA)
317 Support the MMP PDMA engine for PXA and MMP platform.
320 tristate "JZ4740 DMA support"
321 depends on MACH_JZ4740
323 select DMA_VIRTUAL_CHANNELS
326 tristate "Hisilicon K3 DMA support"
327 depends on ARCH_HI3xxx
329 select DMA_VIRTUAL_CHANNELS
331 Support the DMA engine for Hisilicon K3 platform
337 config DMA_VIRTUAL_CHANNELS
348 comment "DMA Clients"
349 depends on DMA_ENGINE
352 bool "Network: TCP receive copy offload"
353 depends on DMA_ENGINE && NET
354 default (INTEL_IOATDMA || FSL_DMA)
356 This enables the use of DMA engines in the network stack to
357 offload receive copy-to-user operations, freeing CPU cycles.
359 Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
363 bool "Async_tx: Offload support for the async_tx api"
364 depends on DMA_ENGINE
366 This allows the async_tx api to take advantage of offload engines for
367 memcpy, memset, xor, and raid6 p+q operations. If your platform has
368 a dma engine that can perform raid operations and you have enabled
374 tristate "DMA Test client"
375 depends on DMA_ENGINE
377 Simple DMA test client. Say N unless you're debugging a