PL_LANE12_EQ_CONTROL_h (CPM5_PCIE_ATTR) Register - AM012

Versal Adaptive SoC Register Reference (AM012)

Document ID
AM012
Release Date
2024-08-19
Revision
1.4

PL_LANE12_EQ_CONTROL_h (CPM5_PCIE_ATTR) Register Description

Register NamePL_LANE12_EQ_CONTROL_h
Offset Address0x0000000170
Absolute Address 0x00FCE08170 (CPM5_PCIE0_ATTR)
0x00FCE88170 (CPM5_PCIE1_ATTR)
Width32
TyperwNormal read/write
Reset Value0x00000000
DescriptionLane#12 Equalization Control Register: Sets the appropriate lane specific entry in the
Equalization Control Register in Secondary PCI Express Extended Capability Header. Bit[3:0] - Downstream Port Transmitter Preset, Bit[6:4] Downstream Port Receiver Preset Hint, Bit[11:8] Upstream Port Transmitter Preset, Bit[14:12] Upstream Port Receiver Preset Hint.
Lower 16b for Gen3 operation and Upper 16b for Gen4 operation. Bits 7, 15, 23, 31 are unused.

This register should only be written to during reset of the PCIe block

PL_LANE12_EQ_CONTROL_h (CPM5_PCIE_ATTR) Register Bit-Field Summary

Field NameBitsTypeReset ValueDescription
attr15:0rwNormal read/write0x0