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Diffstat (limited to 'common/Kconfig')
| -rw-r--r-- | common/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/common/Kconfig b/common/Kconfig index 2c017df408..8f9d2959ba 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -645,6 +645,17 @@ config DISPLAY_BOARDINFO_LATE the relocation phase. The board function checkboard() is called to do this. +config BOUNCE_BUFFER + bool "Include bounce buffer API" + help + Some peripherals support DMA from a subset of physically + addressable memory only. To support such peripherals, the + bounce buffer API uses a temporary buffer: it copies data + to/from DMA regions while managing cache operations. + + A second possible use of bounce buffers is their ability to + provide aligned buffers for DMA operations. + menu "Start-up hooks" config ARCH_EARLY_INIT_R |