Hi,
With this commit SDHCI fails to allocate a bounce buffer for SDMA
(sdhci_dma_alloc() routine). The same behavior was observed on LS1046A
and Armada 7k8k. Example log:
sdhci_xenon0: mem 0x78-0x7802ff
irq 38 on simplebus3
getaddr: error 27
sdhci_xenon0-slot0: Can't load DMA memory for
Author: andrew
Date: Thu Sep 24 07:17:05 2020
New Revision: 366106
URL: https://svnweb.freebsd.org/changeset/base/366106
Log:
Bounce in more cases in the arm64 busdma
We need to use a bounce buffer when the memory we are operating on is not
aligned to a cacheline, and not aligned to the
