AX99100QF datasheet(31/70 Pages) ASIX

31 / 70 page

AX99100

PCIe to Multi I/O Controller

Subsystem Device ID_Fx (0x0D~0x0C, 0x21~0x20, 0x35~0x34, 0x49~0x48)

Bit

Description

15:0

Subsystem Device ID_Fx.

This field will be loaded into PCIe Configuration Space offset 0x2E (Subsystem Device ID).

Note:

◎For SP related PCIe function, bit15~12 should be set to 0x1.

◎For PP related PCIe function, bit15~12 of “Subsystem Device ID_F2” should be set to 0x2.

◎For SPI related PCIe function, bit15~12 of “Subsystem Device ID_F3” should be set to 0x6.

Hardware Default Value:

0x1000: For all SP function.

0x2000: For “Subsystem Device ID_F2” in PP mode.

0x6000: For “Subsystem Device ID_F3” in SPI mode.

0x7000: For “Subsystem Device ID_F0” in LB mode.

Note: Only “Subsystem Device ID_F0” existed in LB mode and if the function has been disabled this

file should be set to 0x0000.

Power Management Capabilities_Fx (0x0F~0x0E, 0x23~0x22, 0x37~0x36, 0x4B~0x4A)

Bit

Description

No Soft Reset.

This field will be loaded into PCIe Configuration Space offset 0x7C (Power Management

Status/Control Register), bit 3.

Hardware Default Value:0x1.

3:1

Maximum Current Required.

This field will be loaded into PCIe Configuration Space offset 0x78 (Power Management

Capabilities Register), bit 24:22.

Hardware Default Value:0x7 (375 mA).

D1 Support.

This field will be loaded into PCIe Configuration Space offset 0x78 (Power Management

Capabilities Register), bit 25.

Hardware Default Value:0x1.

D2 Support.

This field will be loaded into PCIe Configuration Space offset 0x78 (Power Management

Capabilities Register), bit 26.

Hardware Default Value:0x1.

10:6

PME Support.

This field will be loaded into PCIe Configuration Space offset 0x78 (Power Management

Capabilities Register), bit 31:27. {D3 cold, D3 hot PME, D2 PME, D1 PME, D0 PME}.

Note: Bit10, D3 cold, will be “and” logic operation with the 3.3V AUX detect (GPIO2/A3 pull-up

Aux3.3V).

Hardware Default Value:0x1F.

Note 1: Only “ Power Management Capabilities_F0” existed in LB mode.

Note 2: This field should be set to 0x0000 if this function is disabled.

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