1 .. SPDX-License-Identifier: GPL-2.0
9 Zen-based AMD systems include a Data Fabric that manages the layout of
10 physical memory. Devices attached to the Fabric, like memory controllers,
11 I/O, etc., may not have a complete view of the system physical memory map.
12 These devices may provide a "normalized", i.e. device physical, address
13 when reporting memory errors. Normalized addresses must be translated to
14 a system physical address for the kernel to action on the memory.
16 AMD Address Translation Library (CONFIG_AMD_ATL) provides translation for
19 Glossary of acronyms used in address translation for Zen-based systems
21 * CCM = Cache Coherent Moderator
22 * COD = Cluster-on-Die
23 * COH_ST = Coherent Station