Configuration Space
BCM5718 Programmer’s Guide
Broadcom
®
January 29, 2016 • 5718-PG108-R
Page 178
Figure 36: Low-Priority Mailbox Access for Indirect Mode
PCI Configuration Space
Indirect Mailbox Access
BCM57XX Register Block
BusX
DeviceY
Function Z
...
UNDI Rx BD Std Ring
Producer Index Mailbox
UNDI Rx BD Return Ring
Consumer Index Mailbox
UNDI Tx BD NIC
Producer Index Mailbox
Rx BD Std Ring
Producer Index
0x00005BFF
Not Aliased
Not Aliased
0x00000000
Low Priority
Mailbox Region
...
BCM57XX
MAC
Registers
0x00008000
0x00000400
0x00005800
0x00005868
0x0000586F
0x0005880
Tx BD Ring 1
NIC Producer Index
Rx BD Return Ring 1
Consumer Index
0x0005980
0x000588F
0x00005987