northbridge/amd/amdht: Add isochronous setup support

Hardware / Coreboot - Timothy Pearson [raptorengineeringinc.com] - 24 November 2015 12:28 UTC

The coherent fabric on all Family 10h/15h devices supports isochronous mode, which is required for IOMMU operation.

Add initial support for isochronous operation.

Change-Id: Idd7c9b94a65f856b0059e1d45f8719d9475771b6

50001b8 northbridge/amd/amdht: Add isochronous setup support
src/cpu/amd/family_10h-family_15h/init_cpus.c | 61 +++++++++++++++++++++++++
src/northbridge/amd/amdht/h3ffeat.h | 3 ++
src/northbridge/amd/amdht/h3finit.c | 35 +++++++++++++-
src/northbridge/amd/amdht/h3finit.h | 4 +-
src/northbridge/amd/amdht/h3ncmn.c | 30 +++++++++++-
5 files changed, 129 insertions(+), 4 deletions(-)

Upstream: review.coreboot.org

  • Share