GPMSTS
Global Power Management Status Register
This debug register gives information on which event caused the hibernation exit. It provides internal status and state machine information, and is for Synopsys use only for debugging purposes.
Module Instance | Base Address | Register Address |
---|---|---|
i_usb31_0__ahb_slave__11000000__DWC_usb31_block_gbl__SEG_L4_AHB_USB1_0x0_0x100000
|
0x1100C100
|
0x1100C114
|
Size: 32
Offset: 0x14
Access: RW
Important: The value of a reserved bit must be maintained in software. When you modify registers containing reserved bit fields, you must use a read-modify-write operation to preserve state and prevent indeterminate system behavior.
Bit Fields | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
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15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
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GPMSTS Fields
Bit | Name | Description | Access | Reset |
---|---|---|---|---|
31:28 |
PortSel
|
Global Power Management Status Register, PortSel This field selects the port number. |
WO
|
0x0
|
27:17 |
reserved_27_17
|
Reserved |
RO
|
0x0
|
16:12 |
U3Wakeup
|
U3Wakeup This field gives the following USB 3.1 port wakeup conditions: - Bit [12]: Overcurrent Detected - Bit [13]: Resume Detected - Bit [14]: Connect Detected - Bit [15]: Disconnect Detected - Bit [16]: Last Connection State |
RO
|
0x0
|
11:10 |
reserved_11_10
|
Reserved |
RO
|
0x0
|
9:0 |
U2Wakeup
|
U2Wakeup This field indicates the following USB 2.0 port wakeup conditions: - Bit [0]: Overcurrent Detected - Bit [1]: Resume Detected - Bit [2]: Connect Detected - Bit [3]: Disconnect Detected - Bit [4]: Last Connection State - Bit [5]: ID Change Detected - Bit [6]: SRP Request Detected - Bit [7]: ULPI Interrupt Detected - Bit [8]: USB Reset Detected - Bit [9]: Resume Detected Changed |
RO
|
0x0
|