Ard Biesheuvel bfe34275a9 ArmPkg/ArmDmaLib: add support for fixed host-to-device DMA offset
Some devices, such as the Raspberry Pi3, have a fixed offset between memory
addresses as seen by the host and as seen by the other bus masters. So add
a new PCD that allows this fixed offset to be recorded, and to be used when
returning device addresses from the DmaLib mapping routines.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-11-30 16:43:14 +00:00
2016-10-26 09:34:34 -07:00
2014-10-14 16:08:15 +00:00
2016-11-15 11:05:33 +08:00
2014-10-14 16:08:15 +00:00
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