Information

PCI Express Interface Controller
MPC8308 PowerQUICC II Pro Processor Reference Manual, Rev. 1
14-46 Freescale Semiconductor
Table 14-53 describes the PCI Express link status register fields.
14.4.4.16 PCI Express Slot Control Register
The PCI Express slot control register is shown in Figure 14-56.
Table 14-54 describes the PCI Express slot control register fields.
Table 14-53. PCI Express Slot Capabilities Register Fields Description
Bits Name Description
31–19 Physical Slot
Number
This field indicates the physical slot number attached to this Port.
18–17 — Reserved
16–15 SPLS Slot power limit scale.
14–17 SPLV Slot power limit value
6 HPD Hot plug capable
5 HPS Hot plug surprise
4 PIP Power indicator present
3 AIP Attention indicator present
2 MRLSP MRL sensor present
1 PCP Power controller present
0 ABP Attention button present
Offset 0x064 Access: Read/Write
15 11109876543 2 10
R
— PCC PIC AIC HPIE CCIE PDCE MRLSCE PFDE ABPE
W
Reset All zeros
Figure 14-56. PCI Express Slot Control Register
Table 14-54. PCI Express Slot Control Register Fields Description
Bits Name Description
15–11 — Reserved
10 PCC Power controller control
9–8 PIC Power indicator control
7–6 AIC Attention indicator control
5 HPIE Hot plug interrupt enable
4 CCIE Command completed interrupt enable
3 PDCE Presence detect changed enable