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Interesting. Did the earlier Raspberry Pi Broadcom SOCs not have an IOMMU? If they did I would have expected the 5 to be compatible with older ones.
by fanf2 3y ago
Interesting. Did the earlier Raspberry Pi Broadcom SOCs not have an IOMMU? If they did I would have expected the 5 to be compatible with older ones.
- bpye 3y agoI'm fairly sure that none of the earlier SoCs had an IOMMU. It's of course possible that there was one hidden in the GPU or something, but nothing on the CPU side.
- proompter5 3y agoWhat would be the benefit of having their own IOMMU instead of just using the ARM SMMU?