Tool/software:
Hi,
What is the change in the CFG_PHY_TXSWING bit in 0x5100 080c (Link Width and Speed Change Control Register (Sticky)) in PCIe controller section is when it is set to 0 and 1?
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Hi Alan,
To my knowledge, it seems to set Reduced swing (1) or Full swing (0), which are defined in PCI Express Base Specification.
Notifying Brad who has answered this thread to see if he has comments: https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1045835/am5706-setting-pcie-de-emphasis-and-voltage-amplitude.
Regards,
Takuma