Receive Bd Initiator Control Registers; Receive Bd Initiator Mode Register (Offset: 0X2C00); Receive Bd Initiator Status Register (Offset: 0X2C04); Receive Bd Initiator Local Nic Jumbo Receive Bd Producer Index (Offset: 0X2C08) - Broadcom NetXtreme/NetLink BCM5718 Series Programmer's Manual

BCM5718 Programmer's Guide

Receive BD Initiator Control Registers

All registers reset are core reset unless specified.

Receive BD Initiator Mode Register (offset: 0x2C00)

Name
Reserved
Receive BDs available on a
disabled Receive BD Ring
Enable
Enable
Reset

Receive BD Initiator Status Register (offset: 0x2C04)

Name
Reserved
Receive BDs available on a
disabled Receive BD Ring
status
Reserved
Receive BD Initiator Local NIC Jumbo Receive BD Producer Index
(offset: 0x2C08)
Name
Reserved
Local Received BD jumbo
Producer Ring requested
Index
Broadcom
®
January 29, 2016 • 5718-PG108-R
Default
Bits Access Value
31:3 RO 0
2 RW 0
1 RW 1
0 RW 0
Default
Bits Access Value
31:3 RO 0
2 RO 0
1:0 RO 0
Default
Bits Access Value
31:8 RO 0
7:0 RO 0
Receive BD Initiator Control Registers
Description
–
Attention enable for Receive BDs available on a
disabled Receive BD ring.
This bit controls whether the Receive BD Initiator
state machine is active or not. When set to 0, it
completes the current operation and cleanly
halts. Until it is completely halted, it remains one
when read.
When this bit is set to 1, the Receive BD Initiator
state machine is reset. This is a self-clearing bit.
Description
–
Host requests to DMA Receive BDs to a disabled
ring.
–
Description
–
Current Jumbo Received BD Index requested by
RBDI for BD fetching. Notice that, this index is
different from MB producer index and also
different from the index indicated by RBDC.
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