Message Buffer

Versal ACAP Technical Reference Manual (AM011)

Document ID
AM011
Release Date
2022-04-26
Revision
1.4 English

The IPI message buffer address map is shown in the following table.

Note: The base address for message buffers is 0xFF3F_0000.
Table 1. IPI Message Buffer Address Map
Offset Address Buffer Type Size Source Agent Destination Agent
Name Access Type Name Access Type
0x000 to 0x01FF Request 32B PSM RW PSM RW
Response 32B RW RW
Request 32B RW PMC R
Response 32B R RW
Request 32B RW IPI 0 R
Response 32B R RW
Request 32B RW IPI 1 R
Response 32B R RW
Request 32B RW IPI 2 R
Response 32B R RW
Request 32B RW IPI 3 R
Response 32B R RW
Request 32B RW IPI 4 R
Response 32B R RW
Request 32B RW IPI 5 R
Response 32B R RW
0x0200 to 0x03FF

Requests and
Responses

512B PMC RW, R

PSM, PMC, IPI0, IPI1, IPI2, IPI3, IPI4, IPI5

RW, R
0x0400 to 0x05FF " 512B IPI 0 RW, R " RW, R
0x0600 to 0x07FF " 512B IPI 1 RW, R " RW, R
0x0800 to 0x09FF " 512B IPI 2 RW, R " RW, R
0x0A00 to 0x0BFF " 512B IPI 3 RW, R " RW, R
0x0C00 to 0x0DFF " 512B IPI 4 RW, R " RW, R
0x0E00 to 0x0FFF " 512B IPI 5 RW, R " RW, R