PCI Configuration RegistersBCM5718 Programmer’s Guide
Broadcom®
January 29, 2016 • 5718-PG108-R Page 278
Interrupt Register (offset: 0x3C)
INT Mailbox Register (offset: 0x40–0x44)
Name Bits Access
Default
Value
Description
MAXIMUM_LATEN
CY
31:24 RO 0x00 Hardwired to zero
MIN_GRANT 23:16 RO 0x00 Hardwired to zero
Interrupt Pin 15:8 RO 0x01 Indicates which interrupt pin this device uses:
0: no Interrupt
1: Use Interrupt A
2: Use Interrupt B
3: Use Interrupt C
4: Use Interrupt D
Interrupt Line 7:0 RW 0x00 Identifies interrupt routing information
Name Bits Access
Default
Value
Description
Indirect Interrupt mail box 63:0 RW 0 Interrupt Mailbox