vid2wr
The Write AXI Master Mapping Register contains the USER, ADDR page, and ID signals mapping values for particular transaction with 12-bit ID which locks the fixed 3-bit virtual ID.
| Module Instance | Base Address | Register Address |
|---|---|---|
| acpidmap | 0xFF707000 | 0xFF707004 |
Offset: 0x4
Access: RW
Important: To prevent indeterminate
system behavior, reserved areas of memory must not be accessed by software or
hardware. Any area of the memory map that is not explicitly defined as a register
space or accessible memory is considered reserved.
| Bit Fields | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
force RW 0x1 |
Reserved |
mid RW 0x4 |
|||||||||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reserved |
page RW 0x0 |
Reserved |
user RW 0x1 |
Reserved |
|||||||||||
vid2wr Fields
| Bit | Name | Description | Access | Reset |
|---|---|---|---|---|
| 31 | force | Set to 1 to force the mapping between the 12-bit ID and 3-bit virtual ID N. Set to 0 to allow the 3-bit ID N to be dynamically allocated. |
RW | 0x1 |
| 27:16 | mid | The 12-bit ID of the master to remap to 3-bit virtual ID N, where N is the 3-bit ID to use. |
RW | 0x4 |
| 13:12 | page | AWADDR remap to 1st, 2nd, 3rd, or 4th 1GB memory region. |
RW | 0x0 |
| 8:4 | user | This value is propagated to SCU as AWUSERS. |
RW | 0x1 |