Visible to Intel only — GUID: aby1675368446718
Ixiasoft
Visible to Intel only — GUID: aby1675368446718
Ixiasoft
4.3.4.4.3. MMU-600 DTI Switch Hardware Configuration
These are the configuration settings for the DTI Switch instances in the SMMU. There are two instances. One resides in the PSS and the other in the APS. They have different configurations to handle routing of the traffic correctly. The PSS DTI Switch is a 4x1 configuration and the APS DTI Switch is a 3x1 configuration.
Feature |
Parameter name |
Description |
PSS Instance |
APS Instance |
---|---|---|---|---|
Message data -width |
DATA_WIDTH |
Width, in bits, of the TDATA signals. Arm* recommends setting this parameter to one of the following values:
|
160 |
160 |
Originating or destination node ID width |
ID_WIDTH |
Width, in bits, of the TID and TDEST signals. |
3 |
3 |
Minimum decode value |
DECMIN_SIn |
Minimum manager interface TID value for transfers to and from subordinate interface n. |
N=0 : 0 N=1 : 1 N=2 : 2 N=3 : 3 |
N=0 : 0 N=1 : 1 N=2 : 2 |
Maximum decode value |
DECMAX_SIn |
Maximum manager interface TID value for transfers to and from subordinate interface n. |
N=0 : 0 N=1 : 1 N=2 : 2 N=3: 3 |
N=0 : 0 N=1 : 1 N=2 : 5 |