Sp_ip_discovery_timer), Descriptions, Section 5.103 – Texas Instruments TMS320C645X User Manual
Page 207
www.ti.com
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