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drivers: imx: Dummy DMA driver #1838

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Merged
jajanusz merged 5 commits into from
Oct 11, 2019
Merged

drivers: imx: Dummy DMA driver #1838

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2259f45
platform: imx: Implement page tables for DMA transfer.
Oct 4, 2019
4a00155
drivers: imx: Add Dummy DMA driver initial implementation
Oct 9, 2019
5582c37
drivers: imx: dummydma: Change number of channels
Sep 23, 2019
8be0255
drivers: dummydma: Move the driver file to generic/
Sep 19, 2019
28bdfe3
drivers: generic: dummydma: Add config option
Sep 25, 2019
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2 changes: 2 additions & 0 deletions src/drivers/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -12,4 +12,6 @@ if(CONFIG_DW)
add_subdirectory(dw)
endif()

add_subdirectory(generic)

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paulstelian97 marked this conversation as resolved.
add_local_sources(sof interrupt.c)
12 changes: 12 additions & 0 deletions src/drivers/Kconfig
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Expand Up @@ -6,4 +6,16 @@ source "src/drivers/intel/cavs/Kconfig"

source "src/drivers/dw/Kconfig"

config DUMMY_DMA
bool "Dummy DMA (software DMA driver)"
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default n
depends on HOST_PTABLE
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tlauda marked this conversation as resolved.
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help
Select this to enable the software-based host DMA implementation.
This driver does all the transfers between host memory and DSP local
buffer memory using regular memcpy. It requires direct access to the
host memory.

If unsure, select "n".

endmenu # "Drivers"
5 changes: 5 additions & 0 deletions src/drivers/generic/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
# SPDX-License-Identifier: BSD-3-Clause

if (CONFIG_DUMMY_DMA)
add_local_sources(sof dummy-dma.c)
endif()
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