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Commit a2f673d1 authored by Phil Elwell's avatar Phil Elwell Committed by popcornmix
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bcm2835-dma: Add proper 40-bit DMA support 



BCM2711 has 4 DMA channels with a 40-bit address range, allowing them
to access the full 4GB of memory on a Pi 4.

Signed-off-by: default avatarPhil Elwell <phil@raspberrypi.org>
parent 4172a6bd
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