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 source "drivers/dma/xilinx/Kconfig"
39 tristate "Intel MID DMA support for Peripheral DMA controllers"
44 Enable support for the Intel(R) MID DMA engine present
45 in Intel MID chipsets.
47 Say Y here if you have such a chipset.
51 config ASYNC_TX_ENABLE_CHANNEL_SWITCH
55 bool "ARM PrimeCell PL080 or PL081 support"
58 select DMA_VIRTUAL_CHANNELS
60 Platform has a PL08x DMAC device
61 which can provide DMA engine support
64 tristate "Intel I/OAT DMA support"
69 Enable support for the Intel(R) I/OAT DMA engine present
70 in recent Intel Xeon chipsets.
72 Say Y here if you have such a chipset.
77 tristate "Intel IOP ADMA support"
78 depends on ARCH_IOP32X || ARCH_IOP33X || ARCH_IOP13XX
80 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
82 Enable support for the Intel(R) IOP Series RAID engines.
85 tristate "Synopsys DesignWare AHB DMA support"
86 depends on GENERIC_HARDIRQS
88 default y if CPU_AT32AP7000
90 Support the Synopsys DesignWare AHB DMA controller. This
91 can be integrated in chips such as the Atmel AT32ap7000.
93 config DW_DMAC_BIG_ENDIAN_IO
94 bool "Use big endian I/O register access"
98 Say yes here to use big endian I/O access when reading and writing
99 to the DMA controller registers. This is needed on some platforms,
100 like the Atmel AVR32 architecture.
102 If unsure, use the default setting.
105 tristate "Atmel AHB DMA support"
109 Support the Atmel AHB DMA controller.
112 tristate "Freescale Elo and Elo Plus DMA support"
115 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
117 Enable support for the Freescale Elo and Elo Plus DMA controllers.
118 The Elo is the DMA controller on some 82xx and 83xx parts, and the
119 Elo Plus is the DMA controller on 85xx and 86xx parts.
122 tristate "Freescale MPC512x built-in DMA engine support"
123 depends on PPC_MPC512x || PPC_MPC831x
126 Enable support for the Freescale MPC512x built-in DMA engine.
128 source "drivers/dma/bestcomm/Kconfig"
131 bool "Marvell XOR engine support"
132 depends on PLAT_ORION
134 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
136 Enable support for the Marvell XOR engine.
139 bool "MX3x Image Processing Unit support"
144 If you plan to use the Image Processing unit in the i.MX3x, say
145 Y here. If unsure, select Y.
148 int "Number of dynamically mapped interrupts for IPU"
153 Out of 137 interrupt sources on i.MX31 IPU only very few are used.
154 To avoid bloating the irq_desc[] array we allocate a sufficient
155 number of IRQ slots and map them dynamically to specific sources.
158 tristate "Toshiba TXx9 SoC DMA support"
159 depends on MACH_TX49XX || MACH_TX39XX
162 Support the TXx9 SoC internal DMA controller. This can be
163 integrated in chips such as the Toshiba TX4927/38/39.
165 config TEGRA20_APB_DMA
166 bool "NVIDIA Tegra20 APB DMA support"
167 depends on ARCH_TEGRA
170 Support for the NVIDIA Tegra20 APB DMA controller driver. The
171 DMA controller is having multiple DMA channel which can be
172 configured for different peripherals like audio, UART, SPI,
173 I2C etc which is in APB bus.
174 This DMA controller transfers data from memory to peripheral fifo
175 or vice versa. It does not support memory to memory data transfer.
177 source "drivers/dma/sh/Kconfig"
180 bool "ST-Ericsson COH901318 DMA support"
184 Enable support for ST-Ericsson COH 901 318 DMA.
187 bool "ST-Ericsson DMA40 support"
188 depends on ARCH_U8500
191 Support for ST-Ericsson DMA40 controller
193 config AMCC_PPC440SPE_ADMA
194 tristate "AMCC PPC440SPe ADMA support"
195 depends on 440SPe || 440SP
197 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
198 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
200 Enable support for the AMCC PPC440SPe RAID engines.
203 tristate "Timberdale FPGA DMA support"
204 depends on MFD_TIMBERDALE || HAS_IOMEM
207 Enable support for the Timberdale FPGA DMA engine.
210 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
214 Enable support for the CSR SiRFprimaII DMA engine.
217 tristate "TI EDMA support"
218 depends on ARCH_DAVINCI
220 select DMA_VIRTUAL_CHANNELS
223 Enable support for the TI EDMA controller. This DMA
224 engine is found on TI DaVinci and AM33xx parts.
226 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
230 tristate "DMA API Driver for PL330"
234 Select if your platform has one or more PL330 DMACs.
235 You need to provide platform specific settings via
236 platform_data for a dma-pl330 device.
239 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
240 depends on PCI && X86
243 Enable support for Intel EG20T PCH DMA engine.
245 This driver also can be used for LAPIS Semiconductor IOH(Input/
246 Output Hub), ML7213, ML7223 and ML7831.
247 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
248 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
249 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
250 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
253 tristate "i.MX SDMA support"
257 Support the i.MX SDMA engine. This engine is integrated into
258 Freescale i.MX25/31/35/51/53 chips.
261 tristate "i.MX DMA support"
265 Support the i.MX DMA engine. This engine is integrated into
266 Freescale i.MX1/21/27 chips.
269 bool "MXS DMA support"
270 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
274 Support the MXS DMA engine. This engine including APBH-DMA
275 and APBX-DMA is integrated into Freescale i.MX23/28 chips.
278 bool "Cirrus Logic EP93xx DMA support"
279 depends on ARCH_EP93XX
282 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
285 tristate "SA-11x0 DMA support"
286 depends on ARCH_SA1100
288 select DMA_VIRTUAL_CHANNELS
290 Support the DMA engine found on Intel StrongARM SA-1100 and
291 SA-1110 SoCs. This DMA engine can only be used with on-chip
295 bool "MMP Two-Channel DMA support"
299 Support the MMP Two-Channel DMA engine.
300 This engine used for MMP Audio DMA and pxa910 SQU.
302 Say Y here if you enabled MMP ADMA, otherwise say N.
305 tristate "OMAP DMA support"
308 select DMA_VIRTUAL_CHANNELS
311 bool "MMP PDMA support"
312 depends on (ARCH_MMP || ARCH_PXA)
315 Support the MMP PDMA engine for PXA and MMP platfrom.
320 config DMA_VIRTUAL_CHANNELS
331 comment "DMA Clients"
332 depends on DMA_ENGINE
335 bool "Network: TCP receive copy offload"
336 depends on DMA_ENGINE && NET
337 default (INTEL_IOATDMA || FSL_DMA)
339 This enables the use of DMA engines in the network stack to
340 offload receive copy-to-user operations, freeing CPU cycles.
342 Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
346 bool "Async_tx: Offload support for the async_tx api"
347 depends on DMA_ENGINE
349 This allows the async_tx api to take advantage of offload engines for
350 memcpy, memset, xor, and raid6 p+q operations. If your platform has
351 a dma engine that can perform raid operations and you have enabled
357 tristate "DMA Test client"
358 depends on DMA_ENGINE
360 Simple DMA test client. Say N unless you're debugging a