Power management control/status (pmcsr), 0x44–0x45 – Avago Technologies LSI53C1000R User Manual
Page 131

PCI Configuration Registers
4-19
Version 2.2
Copyright © 2000–2003 by LSI Logic Corporation. All rights reserved.
D2S
D2_Support
10
The LSI53C1000R sets this bit to indicate support for
power management state D2. Bits 9 and 10 are set to
one, indicating support for the D1 and D2 power states.
D1S
D1_Support
9
The LSI53C1000R sets this bit to indicate support for
power management state D1. Bits 9 and 10 are set to
indicate support for the D1 and D2 power states.
AUX_C
Aux_Current
[8:6]
The LSI53C1000R always returns zeros. This feature is
not supported.
DSI
Device Specific Initialization
5
This bit is cleared to indicate that the LSI53C1000R
requires no special initialization before the generic class
device driver is able to use it.
R
Reserved
4
PMEC
PME Clock
3
Bit 3 is cleared because the LSI53C1000R does not
provide a PME pin.
VER[2:0]
Version
[2:0]
These three bits are set to 0b010 to indicate that the
LSI53C1000R complies with Revision 1.1 of the PCI
Power Management Interface Specification.
Registers: 0x44–0x45
Power Management Control/Status (PMCSR)
Read/Write
PST
PME_Status
15
The LSI53C1000R always returns a zero for this bit,
indicating that PME signal generation is not supported
from D3cold.
15
14 13 12
9
8
7
2
1
0
PST DSCL
DSLT
PEN
R
PWS[1:0]
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0