Figure 49: Techniques For Accessing Bcm5722 Ethernet Controller Local Memory - Broadcom BCM5722 Programmer's Manual

Programmer's Guide
10/15/07
Host Memory Address Space
0x00000000
PCI Cfg Space Registers
0x00000200
High Priority Mailboxes
0x00000400
0x00008000
0x00100000
0x00110000
General Mailbox 1-8
0x00130000
Rx BD Send Producer
Index (Jumbo, Std, Mini)
0x00140000
Rx BD Return Ring 1-16
Consumer Index
0x00180000
Tx BD Ring 1-16
Host Producer Index
0x001C0000
Tx BD Ring 1-16
NIC Producer Index
0x01000000
0x01FFFFFF

Figure 49: Techniques for Accessing BCM5722 Ethernet Controller Local Memory

Document 5722-PG101-R
Physical
Memory
(Shadow Copy)
Reserved
Registers
Memory
Window
Reserved
IRQ Mailbox 0-3
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Memory
Bro adco m Co rp or atio n
Local Memory Address Space
0x00000000
Device Internal
Memory
Memory Window
Window may be
located anywhere
Window may be
located anywhere
Memory Window
Device
External
Memory
0x00020000
Configuration Space
BCM5722
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