11.3.16.2 Pci Express Port Control Submenu - Congatec COM Express conga-TR3 User Manual

Feature
ASPM
Extended Synch
Link Training Retry
Link Training Timeout (us)
Unpopulated Links
Restore PCIE Registers

11.3.16.2 PCI Express Port Control Submenu

Feature
PCI Express Port Organization
PCIe Port 1
Link Speed
ASPM Mode Control
Hotplug Mode Control
PCIe Port 2
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Options Description
Disabled Enabled or disable PCI Express Active State Power Management.
Enabled
Disabled If enabled, the generation of extended PCI Express synchronization patterns is allowed.
Enabled
Disabled Defines numer of retry attempts software will take to retrain the link if the previous training attempt
2 was unsuccessful.
3
5
Default: 100 Defines number of microseconds software will wait before polling the link training bit in the link status
10 – 10000 register. Value ranges from 10us to 10000us.
Keep link on Disable unpopulated links to conserve power or keep them on.
Disabled
Enabled On non-PCI Express aware operating systems some devices may not be re-initialized correctly after
Disabled S3. Setting this node to Enabled restores PCI Express configuration on S3 resume.
Warning: Enabling this may cause issues with other hardware after S3 resume.
Options Description
4 x1 Ports Select PCI Express port layout
1 x2 + 2 x1 Porst
1 x4 Port
Disabled Enable or disable PCIe port 1.
Enabled
Max supported Select PCIe port 1 link speed.
Gen3 Max supported = link speed determined by PCIe device.
Gen2 GenX = force GenX speed
Gen1
Disabled Select ASPM mode for current PCIe port
L0s Entry
L1 Entry
L0s And L1 Entry
Disabled Enable or disable hotplug on current PCIe port.
Enabled
Disabled Enable or disable PCIe port 2.
Enabled
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