Serial RapidIO (SRIO) User's Guide

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5.40 LSU n Congestion Control Flow Mask Register (LSU n_FLOW_MASKS)
SRIO Registers
There are four of these registers, one for each LSU (see Table 101 ). The fields of an
LSU n_FLOW_MASKS register are summarized by Figure 101 and described in Table 102 . The 16 bits
within each FLOW_MASK field are summarized by Figure 102 and Table 103 . For additional programming
see Section 2.3.8 .
Table 101. LSU n_FLOW_MASKS Registers and the Associated LSUs
Register Address Offset LSU
LSU1_FLOW_MASKS 041Ch LSU1
LSU2_FLOW_MASKS 043Ch LSU2
LSU3_FLOW_MASKS 045Ch LSU3
LSU4_FLOW_MASKS 047Ch LSU4
Figure 101. LSU n Congestion Control Flow Mask Register (LSU n_FLOW_MASKS)
31 16 15 0
Reserved FLOW_MASK
R-00h R/W-FFh
LEGEND: R/W = Read/Write; R = Read only; - n = Value after reset
Table 102. LSU n Congestion Control Flow Mask Register (LSU n_FLOW_MASKS) Field Descriptions
Bit Field Value Description
31–16 Reserved 00h These read-only bits return 0s when read.
15–0 FLOW_MASK 00h-FFh Flow mask for LSU n
Figure 102. LSU n FLOW_MASK Fields
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
FL15 FL14 FL13 FL12 FL11 FL10 FL9 FL8 FL7 FL6 FL5 FL4 FL3 FL2 FL1 FL0
R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1 R/W-1
LEGEND: R = Read; W = Write; - n = Value after reset
Table 103. LSU n FLOW_MASK Fields
Bit Field Value Description
15 FL15 0 LSU n does not support Flow 15 from table entry
1 LSU n supports Flow 15 from table entry
14 FL14 0 LSU n does not support Flow 14 from table entry
1 LSU n supports Flow 14 from table entry
13 FL13 0 LSU n does not support Flow 13 from table entry
1 LSU n supports Flow 13 from table entry
12 FL12 0 LSU n does not support Flow 12 from table entry
1 LSU n supports Flow 12 from table entry
11 FL11 0 LSU n does not support Flow 11 from table entry
1 LSU n supports Flow 11 from table entry
10 FL10 0 LSU n does not support Flow 10 from table entry
1 LSU n supports Flow 10 from table entry
9 FL9 0 LSU n does not support Flow 9 from table entry
1 LSU n supports Flow 9 from table entry
162 Serial RapidIO (SRIO) SPRUE13A – September 2006
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