27 lines
665 B
Plaintext
27 lines
665 B
Plaintext
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# Copyright (c) 2023 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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config CDNS_SDHC
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bool "CDNS SDHC"
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default y
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depends on DT_HAS_CDNS_SDHC_ENABLED
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select SDHC_SUPPORTS_NATIVE_MODE
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help
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Enable Cadence SDMMC Host Controller.
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if CDNS_SDHC
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# Cadence SDHC DMA needs 64 bit aligned buffers
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config SDHC_BUFFER_ALIGNMENT
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default 8
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config CDNS_DESC_COUNT
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int "Allocate number of descriptors"
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default 8
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help
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SD host controllers require DMA preparation for read and write operation.
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Creates static descriptors which can be used by ADMA. Devices should
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configure this flag if they require to transfer more than 8*64Kb of data.
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endif # CDNS_SDHC
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