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@@ -645,6 +645,17 @@ config DISPLAY_BOARDINFO_LATE
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the relocation phase. The board function checkboard() is called to do
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this.
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+config BOUNCE_BUFFER
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+ bool "Include bounce buffer API"
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+ help
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+ Some peripherals support DMA from a subset of physically
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+ addressable memory only. To support such peripherals, the
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+ bounce buffer API uses a temporary buffer: it copies data
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+ to/from DMA regions while managing cache operations.
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+
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+ A second possible use of bounce buffers is their ability to
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+ provide aligned buffers for DMA operations.
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+
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menu "Start-up hooks"
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config ARCH_EARLY_INIT_R
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