DMA Completion Registers
BCM5718 Programmer’s Guide
Broadcom
®
January 29, 2016 • 5718-PG108-R
Page 468
DMA Completion Registers
All registers reset are core reset unless specified.
DMA Completion Mode Register (offset: 0x6400)
GRC Registers
All registers reset are core reset unless specified.
Mode Control Register (offset: 0x6800)
Name
Bits
Access
Default
Value
Description
Reserved
31:2
RW
–
Reserved
Enable
1
RW
0
This bit controls whether the DMA Completion
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 ‘1’
when read.
Reset
0
RW
0
When this bit is set to ‘1’ the DMA Completion
state machine is reset. This is a self-clearing bit.
Name
Bits
Access
Default
Value
Description
Pcie TL/DL/PL mapping bit
31
RW
0
Bit[31][22][29] remap PCIE core TL/DL/PL
register to GRC space from 0x6400 to 0x67ff.
[31]:
• 0: Select lower 1 KB of each TL/DL/PL
• 1 Select higher 1 KB of each TL/DL/Pl
[22][29]:
• 00: select TL register
• 01: select DL register
• 10: select PL register
Multicast enable
30
RW
0
Multicast enable bit.
Pcie TL/DL/PL mapping bit
29
RW
–
–
Interrupt on Flow Attention
28
RW
0
Cause a host interrupt when an enabled flow
attention occurs.
Interrupt on DMA Attention
27
RW
0
Cause a host interrupt when an enabled DMA
attention occurs.
Interrupt on MAC Attention
26
RW
0
Cause a host interrupt when an enabled MAC
attention occurs.