Serial RapidIO (SRIO) User's Guide

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5.90 Port Error Rate Threshold CSR n (SP n_ERR_THRESH)
SRIO Registers
Each of the four ports is supported by a register of this type (see ). The port error rate threshold CSR n
(SP n_ERR_THRESH) is shown in Figure 153 and described in Table 175 .
Table 174. SP n_ERR_THRESH Registers and the Associated Ports
Register Address Offset Associated Port
SP0_ERR_THRESH 206Ch Port 0
SP1_ERR_THRESH 20ACh Port 1
SP2_ERR_THRESH 20ECh Port 2
SP3_ERR_THRESH 212Ch Port 3
Figure 153. Port Error Rate Threshold CSR n (SP n_ERR_THRESH)
31 24 23 16
ERROR_RATE_FAILED_THRESH ERROR_RATE_DEGRADED_THRESH
R/W-FFh R/W-FFh
15 0
Reserved
R-0000h
LEGEND: R/W = Read/Write; R = Read only; - n = Value after reset
Table 175. Port Error Rate Threshold CSR n (SP n_ERR_THRESH) Field Descriptions
Bit Field Value Description
31–24 ERROR_RATE_FAILED_THRESH These bits provide the threshold value for reporting an error
condition due to a possibly broken link.
00h Disable the error rate register
01h Set the error reporting threshold to 1
02h Set the error reporting threshold to 2
... ...
FFh Set the error reporting threshold to 255
23–16 ERROR_RATE_DEGRADED_THRESH These bits provide the threshold value for reporting an error
condition due to a degrading link.
00h Disable the error rate Register
01h Set the error reporting threshold to 1
02h Set the error reporting threshold to 2
... ...
FFh Set the error reporting threshold to 255
15–0 Reserved 0000h These read-only bits return 0s when read.
SPRUE13A – September 2006 Serial RapidIO (SRIO) 229
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