Setup ADMA2 Descriptor Table

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

Document ID
UG1085
Release Date
2022-09-15
Revision
2.3 English
Table 26-19:      Setup ADMA2 Descriptor Table

Task

SD{0, 1}
Registers

Register Field

Register Offset

Bits

Value

Read block size and calculate total descriptor lines.

reg_blocksize

xfer_blocksize

0x04

11:0

Read operation

Prepare descriptor table.

Program descriptor table address to ADMA2 address register.

reg_admasysaddr0

adma_sysaddress0

0x58

15:0

Descriptor table address