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5.103 Port IP Discovery Timer in 4x mode (SP_IP_DISCOVERY_TIMER)
SRIO Registers
Figure 159. Port IP Discovery Timer in 4x mode (SP_IP_DISCOVERY_TIMER)
31-28 27-24 23-20 19-16
DISCOVERY_TIMER Reserved PW_TIMER Reserved
RW-0x09 R-0x00 RW-0x08 R-0x00
LEGEND: R = Read only; - n = value after reset
15-0
Reserved
R-0x00
LEGEND: R = Read only; - n = value after reset
Table 133. Port IP Discovery Timer in 4x mode (SP_IP_DISCOVERY_TIMER) Field Descriptions
Bit Field Value Description
31-28 DISCOVERY_TI Discovery Timer in 4x mode. The discovery-timer allows time for the link partner to enter its
MER DISCOVERY state and if the link partner is supporting 4x mode, for all 4 lanes to be aligned.
0000b 102.4pS, for debug only
0001b 0.84ms
0010b 0.84ms * 2 = 1.68ms
...
1001b 0.84ms * 9= 7.56ms (default)
...
1111b 0.84ms *15= 12.6ms
27-24 Reserved Reserved
23-20 PW_TIMER Port-Write Timer. The timer defines a period to repeat sending an error reporting Port-Write request
for software assistance. The timer is stopped by software writing to the error detect registers.
0000b Disabled. Port-Write is sent once only.
0001b 107ms-214ms
0010b 214ms-321ms
0100b 428ms-535ms
1000b 856ms-963ms (default)
1111b 0.82-1.64us (for debug only)
Other Reserved
19-0 Reserved Reserved
SPRU976 March 2006 Serial RapidIO (SRIO) 207
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