JAJSOK5Q March 2011 – March 2024 TUSB7320 , TUSB7340
PRODUCTION DATA
This register is used by BIOS software to enable System Management Interrupts.
xHCI Extended Capabilities Base register offset: 04h
Register type: Read-Only, Read/Clear
Default value: 0000 0000h
Bit No. | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
Reset State | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Bit No. | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reset State | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
BIT | FIELD NAME | ACCESS | DESCRIPTION |
---|---|---|---|
31 | SMI_BAR | rc | SMI on BAR. |
30 | SMI_PCI_COM | rc | SMI on PCI Command. |
29 | SMI_OS_CHANGE | rc | SMI on OS Ownership Change. |
28:21 | RSVD | r | Reserved. Returns zeros when read. |
20 | SMI_HOST_SYS_ERR | r | SMI on Host System Error. |
19:17 | RSVD | r | Reserved. Returns zeros when read. |
16 | SMI_EVENT_INT | r | SMI on Event Interrupt. |
15 | SMI_BAR_EN | rw | SMI on BAR Enable. |
14 | SMI_PCI_COM_EN | rw | SMI on PCI Command Enable. |
13 | SMI_OS_EN | rw | SMI on OS Ownership Enable. |
12:5 | RSVD | r | Reserved. Returns zeros when read. |
4 | SMI_HOST_SYS_ERR_EN | rw | SMI on Host System Error Enable. |
3:1 | RSVD | r | Reserved. Returns zeros when read. |
0 | USB_SMI_EN | rw | USB SMI Enable. |