Interrupt Register (Offset: 0X3C); Int Mailbox Register (Offset: 0X40-0X44) - Broadcom NetXtreme/NetLink BCM5718 Series Programmer's Manual

BCM5718 Programmer's Guide

Interrupt Register (offset: 0x3C)

Name Bits
MAXIMUM_LATEN 31:24
CY
MIN_GRANT 23:16
Interrupt Pin 15:8
Interrupt Line 7:0
INT Mailbox Register (offset: 0x40–0x44)
Name
Indirect Interrupt mail box
Broadcom
®
January 29, 2016 • 5718-PG108-R
Default
Access Value Description
RO 0x00 Hardwired to zero
RO 0x00 Hardwired to zero
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
RW 0x00 Identifies interrupt routing information
Default
Bits Access Value
63:0 RW 0
PCI Configuration Registers
Description
Interrupt Mailbox
Page 278