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.
157 source "drivers/dma/sh/Kconfig"
160 bool "ST-Ericsson COH901318 DMA support"
164 Enable support for ST-Ericsson COH 901 318 DMA.
167 bool "ST-Ericsson DMA40 support"
168 depends on ARCH_U8500
171 Support for ST-Ericsson DMA40 controller
173 config AMCC_PPC440SPE_ADMA
174 tristate "AMCC PPC440SPe ADMA support"
175 depends on 440SPe || 440SP
177 select ARCH_HAS_ASYNC_TX_FIND_CHANNEL
178 select ASYNC_TX_ENABLE_CHANNEL_SWITCH
180 Enable support for the AMCC PPC440SPe RAID engines.
183 tristate "Timberdale FPGA DMA support"
184 depends on MFD_TIMBERDALE || HAS_IOMEM
187 Enable support for the Timberdale FPGA DMA engine.
190 tristate "CSR SiRFprimaII/SiRFmarco DMA support"
194 Enable support for the CSR SiRFprimaII DMA engine.
197 bool "TI EDMA support"
198 depends on ARCH_DAVINCI || ARCH_OMAP
200 select DMA_VIRTUAL_CHANNELS
203 Enable support for the TI EDMA controller. This DMA
204 engine is found on TI DaVinci and AM33xx parts.
206 config ARCH_HAS_ASYNC_TX_FIND_CHANNEL
210 tristate "DMA API Driver for PL330"
214 Select if your platform has one or more PL330 DMACs.
215 You need to provide platform specific settings via
216 platform_data for a dma-pl330 device.
219 tristate "Intel EG20T PCH / LAPIS Semicon IOH(ML7213/ML7223/ML7831) DMA"
220 depends on PCI && X86
223 Enable support for Intel EG20T PCH DMA engine.
225 This driver also can be used for LAPIS Semiconductor IOH(Input/
226 Output Hub), ML7213, ML7223 and ML7831.
227 ML7213 IOH is for IVI(In-Vehicle Infotainment) use, ML7223 IOH is
228 for MP(Media Phone) use and ML7831 IOH is for general purpose use.
229 ML7213/ML7223/ML7831 is companion chip for Intel Atom E6xx series.
230 ML7213/ML7223/ML7831 is completely compatible for Intel EG20T PCH.
233 tristate "i.MX SDMA support"
237 Support the i.MX SDMA engine. This engine is integrated into
238 Freescale i.MX25/31/35/51/53 chips.
241 tristate "i.MX DMA support"
245 Support the i.MX DMA engine. This engine is integrated into
246 Freescale i.MX1/21/27 chips.
249 bool "MXS DMA support"
250 depends on SOC_IMX23 || SOC_IMX28 || SOC_IMX6Q
254 Support the MXS DMA engine. This engine including APBH-DMA
255 and APBX-DMA is integrated into Freescale i.MX23/28 chips.
258 bool "Cirrus Logic EP93xx DMA support"
259 depends on ARCH_EP93XX
262 Enable support for the Cirrus Logic EP93xx M2P/M2M DMA controller.
265 tristate "SA-11x0 DMA support"
266 depends on ARCH_SA1100
268 select DMA_VIRTUAL_CHANNELS
270 Support the DMA engine found on Intel StrongARM SA-1100 and
271 SA-1110 SoCs. This DMA engine can only be used with on-chip
275 bool "MMP Two-Channel DMA support"
279 Support the MMP Two-Channel DMA engine.
280 This engine used for MMP Audio DMA and pxa910 SQU.
282 Say Y here if you enabled MMP ADMA, otherwise say N.
285 tristate "OMAP DMA support"
288 select DMA_VIRTUAL_CHANNELS
291 tristate "AM33xx CPPI41 DMA support"
295 The Communications Port Programming Interface (CPPI) 4.1 DMA engine
296 is currently used by the USB driver on AM335x platforms.
299 bool "MMP PDMA support"
300 depends on (ARCH_MMP || ARCH_PXA)
303 Support the MMP PDMA engine for PXA and MMP platform.
306 tristate "JZ4740 DMA support"
307 depends on MACH_JZ4740
309 select DMA_VIRTUAL_CHANNELS
314 config DMA_VIRTUAL_CHANNELS
325 comment "DMA Clients"
326 depends on DMA_ENGINE
329 bool "Network: TCP receive copy offload"
330 depends on DMA_ENGINE && NET
331 default (INTEL_IOATDMA || FSL_DMA)
333 This enables the use of DMA engines in the network stack to
334 offload receive copy-to-user operations, freeing CPU cycles.
336 Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
340 bool "Async_tx: Offload support for the async_tx api"
341 depends on DMA_ENGINE
343 This allows the async_tx api to take advantage of offload engines for
344 memcpy, memset, xor, and raid6 p+q operations. If your platform has
345 a dma engine that can perform raid operations and you have enabled
351 tristate "DMA Test client"
352 depends on DMA_ENGINE
354 Simple DMA test client. Say N unless you're debugging a