Commit Graph

139 Commits

Author SHA1 Message Date
e624f45369 drtio: remove FIFO empty local detection optimization
It optimizes a marginal case, it is difficult to get right
(need to know the size of the FIFO for each channel), and
it adds complexity and potential bug sources.
2017-01-10 14:31:46 -06:00
e9592105ce drtio: fix aux controller clock domain mistakes 2016-12-14 10:16:45 +08:00
3b5abae935 drtio: fix clock domain conflict 2016-12-13 14:19:49 +08:00
4b61020b27 drtio: reset more local state 2016-12-12 18:48:10 +08:00
d99e64effd drtio: clear any stale FIFO space reply 2016-12-12 18:02:56 +08:00
4c59c0fecf Revert "drtio: order resets wrt writes"
This reverts commit 9a048c2b3a.
2016-12-12 17:49:07 +08:00
8f747fa209 drtio: clear underflow and sequence error on reset 2016-12-12 17:39:14 +08:00
9a048c2b3a drtio: order resets wrt writes 2016-12-12 17:18:07 +08:00
bc36bda94a perform RTIO init on comms CPU side 2016-12-09 14:16:55 +08:00
4c3717932e drtio: link layer debugging CSRs 2016-12-07 23:03:14 +08:00
5d145ff912 drtio: add false paths between sys and transceiver clocks 2016-12-03 23:03:01 +08:00
4b97b9f8ce drtio: add clock constraints 2016-12-03 22:17:29 +08:00
6353f6d590 drtio: support different configurations and speeds 2016-12-02 17:22:22 +08:00
046b8bfd33 drtio: fix transmit datapath with transceiver width > max packet width 2016-11-27 13:19:12 +08:00
0903964488 drtio: large data fixes 2016-11-27 02:12:50 +08:00
8090abef5d drtio: large data support 2016-11-25 17:04:09 +08:00
7cd27abaa6 drtio: do not reset remote TSC on reset command 2016-11-24 00:09:53 +08:00
07f2d84275 drtio: remote resets 2016-11-23 23:19:31 +08:00
e532261a9b drtio: fix FullMemoryWE usage 2016-11-23 12:25:43 +08:00
9acc7d135e gateware: common RTIO interface 2016-11-22 22:46:50 +08:00
02adae7397 drtio: fix link shutdown 2016-11-19 11:01:33 +08:00
381e58434f drtio: handle link restarts at transceiver level 2016-11-19 10:46:56 +08:00
ba94ed8f4b drtio: check for absence of disparity errors before claiming RX ready 2016-11-19 00:05:59 +08:00
4d07974a34 drtio: reset link from CPU 2016-11-18 17:45:33 +08:00
f040e27041 drtio: add timeout on FIFO get space request 2016-11-18 17:44:48 +08:00
bb047aabe9 drtio: simpler link layer 2016-11-17 22:32:39 +08:00
140bb0ecee drtio: aux controller fixes 2016-11-16 19:44:03 +08:00
6c9965b444 drtio: aux controller fixes 2016-11-15 12:02:41 +08:00
e1394db861 drtio: aux controller minor fixes 2016-11-14 17:26:30 +08:00
84bd962ed5 drtio: integrate aux controller 2016-11-14 17:20:47 +08:00
a4d92716da drtio: fix aux receiver, add aux transmitter 2016-11-14 17:18:54 +08:00
f2f131e0fb drtio: add aux receiver (untested) 2016-11-14 00:04:53 +08:00
8a48d6d66e drtio: fix typo 2016-11-09 22:15:42 +08:00
863934c4fa drtio: more reliable link layer init 2016-11-09 22:03:47 +08:00
95acc9b9d4 drtio: allow specifying 7series RXSynchronizer initial phase 2016-11-08 16:52:40 +08:00
bcb5053fb6 drtio: fix master TSC KCSR readout 2016-11-08 16:40:50 +08:00
de47123737 drtio: connect RST and LOCKED on 7series RXSynchronizer MMCM 2016-11-05 00:24:49 +08:00
df7294792c drtio: break some RT features into manager, add echo request CSR 2016-11-04 19:38:24 +08:00
1145a193dd drtio: fix ack of echo and set_time requests 2016-11-04 18:36:43 +08:00
3da1cce783 drtio: add packet counters 2016-11-04 17:53:42 +08:00
747da3da15 drtio: differentiate local and remote unknown packet type errors 2016-11-04 15:17:19 +08:00
f76aa249ce drtio: squelch 7series RXSynchronizer outputs when MMCM is unlocked 2016-11-04 15:16:48 +08:00
6a75837261 drtio: fix link_layer remote RX ready detection 2016-11-03 20:15:04 +08:00
1d027ffa95 drtio: fix gtx_7series comma alignment 2016-11-03 20:14:11 +08:00
ba58a8affd drtio/gtx_7series: paranoid reset deglitching 2016-11-02 18:30:22 +08:00
bee9774bd5 drtio: add link layer status CSR 2016-11-02 13:09:13 +08:00
0c1a76d668 unify rtio/drtio kernel interface 2016-11-01 00:30:16 +08:00
07ad00c1ca drtio: split kernel/system CSRs 2016-10-31 18:09:36 +08:00
9aa94e1a2d adapt to migen/misoc changes 2016-10-31 00:53:01 +08:00
7c05dccf65 drtio: add support for 125MHz clock on GTX_1000BASE_BX10 2016-10-29 17:30:29 +08:00
95def81c03 drtio: squelch frame signals until link layer ready 2016-10-29 17:05:30 +08:00
4f6241283c drtio: always use NoRetiming on MultiReg inputs 2016-10-29 16:37:53 +08:00
929a7650a8 drtio: fixes 2016-10-26 22:03:44 +08:00
45621934fd drtio: forward errors to CSR 2016-10-26 22:03:05 +08:00
7f8e53aa5c drtio: more fixes and tests 2016-10-26 11:48:47 +08:00
f763b519f4 drtio: fix channel selection 2016-10-26 00:33:21 +08:00
ad042de954 drtio: fixes, basic TTL working in simulation 2016-10-25 12:41:16 +08:00
a4e85081aa drtio: more simple fixes 2016-10-24 23:32:49 +08:00
029e0d95b7 drtio: simple fixes 2016-10-24 23:10:15 +08:00
c39987b617 drtio: handle underflow/sequence error CSRs 2016-10-24 20:46:55 +08:00
7dd6eb2f5e drtio: add RT write controller 2016-10-24 19:50:13 +08:00
83bec06226 drtio: fifo level -> fifo space 2016-10-24 15:59:12 +08:00
aa8e211735 drtio/rt_packets: fix 2016-10-22 13:03:35 +08:00
67c19ab178 drtio: RTPacketMaster RX, untested 2016-10-22 01:04:14 +08:00
3b4a40401a drtio: RTPacketMaster TX (WIP) 2016-10-21 22:46:14 +08:00
1e313afe64 drtio: CrossDomainNotification 2016-10-21 22:45:45 +08:00
c71c4c89e0 drtio: change data direction in _CrossDomainRequest 2016-10-21 22:44:47 +08:00
6a88229e6a drtio: CrossDomainRequest 2016-10-20 23:37:59 +08:00
9790c5d9ed drtio/iot: FIFO level 2016-10-19 18:04:03 +08:00
71480c4d15 drtio: fix mmcm_mult 2016-10-18 17:28:03 +08:00
9752ffe3d1 drtio: various fixes 2016-10-17 19:23:08 +08:00
d3b274fc4d drtio: synchronizer MMCM 2016-10-16 17:40:58 +08:00
03d3a85e75 drtio: RX clock alignment and ready 2016-10-15 18:36:27 +08:00
08e4aa3e3f drtio: GTX WIP 2016-10-14 00:36:13 +08:00
c548a65ec3 drtio: clock domains 2016-10-14 00:34:59 +08:00
018f6d1b52 drtio: implement basic IOT 2016-10-11 17:59:22 +08:00
a40b39e9a2 drtio: structure 2016-10-10 23:12:12 +08:00
87ec333f55 drtio: implement basic writes, errors, fifo levels on satellite 2016-10-10 00:13:41 +08:00
23b3302200 drtio: implement TSC load in satellite 2016-10-07 19:30:53 +08:00
cb0d1549c6 drtio: add rt_packets TX datapath, fixes 2016-10-07 15:35:29 +08:00
76bac21d14 drtio: RT RX datapath, untested 2016-10-06 18:51:20 +08:00
1e0c6d6d5d drtio: monitor received link_init 2016-09-30 11:25:06 +08:00
cefb9e1405 drtio: add full link layer 2016-09-27 21:41:57 +08:00
08772f7a71 drtio: add RX ready signaling 2016-09-27 19:02:54 +08:00
95d7cba34a drtio: fixes, add aux packet test 2016-09-27 12:46:01 +08:00
e59142e344 drtio: use additive scrambler reset by link init 2016-09-27 11:38:05 +08:00
8a92c2c7e5 drtio: add RX link layer, fixes, simple loopback demo 2016-09-27 11:23:29 +08:00
4e47decdbc drtio: add scrambler/descrambler and test 2016-09-26 14:14:14 +08:00
fa83ad0d9c drtio: add TX link layer 2016-09-26 12:53:10 +08:00