axi_dmac: Default to 64 bit addressing #1879
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podgori
requested review from
IuliaCMoldovan,
gastmaier,
StancaPop and
LBFFilho
as code owners
This commit increases the maximum address width of the DMA AXI interfaces to 64 to enable accessing the upper DDR memory regions of the 64 bit address spaces. Signed-off-by: Ionut Podgoreanu <[email protected]>
bluncan
reviewed
Aug 20, 2025
| @@ -9,7 +9,7 @@ ENDTITLE | |||
| REG | |||
| 0x000 | |||
| VERSION | |||
| Version of the peripheral. Follows semantic versioning. Current version 4.05.64. | |||
| Version of the peripheral. Follows semantic versioning. Current version 4.05.65. | |||
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Do we want this as a patch? Doesn't it break stuff for old boards that only have 32 bits addresses?
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The old boards shouldn't be impacted, since the default value of 64 will be overwritten by the post_propagate procedure, which will decrease it to 32 bits or less.
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This commit increases the maximum address width of the DMA AXI interfaces to 64 to enable accessing the upper DDR memory regions of the 64 bit address spaces.
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