6.2.12
Free Pool Write Pointer Register
This register is a copy of the Free Pool Ring write pointer in host memory. The host must
update this register when a new entry is added to the free pool ring.
Type:
Offset
Read/Write
x‘0248’
FPR_WP[31:0]
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
Field Name
Description
Bits
Reset
FPR_WP[31:0]
31:0
0
Free pool write pointer
6.2.13
Free Pool Read Pointer Register
This register is the 820x Free Pool Ring read pointer. The host may read this register to
determine how many free pool ring entries have been read by the 820x.
Type:
Offset
Read only
x‘024C’
FPR_RP[31:0]
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
Field Name
Description
Bits
Reset
FPR_RP[31:0]
31:0
0
Free pool read pointer
820x – Data Sheet, DS-0157-D
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