Issuing Command

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

Document ID
UG1085
Release Date
2022-09-15
Revision
2.3 English
Table 32-9:      Issuing Command

Task

SATA_AHCI_PORTCNTRL Register Set

Register Field

Register Offset

Bits

Value

Check if the command slot is free

PxCI

[CI]

0x0138

31:0

Read operation

Wait until the required command slot bit becomes 0.

Set the slot bits

PxCI

[CI]

0x0138

31:0

Write 1'b1 (for command slot0)

Check if the command slot is free

PxCI

[CI]

0x0138

31:0

Read operation

Wait until the required command slot bit becomes 0 (to ensure the completion of the command).