Commit Graph

37 Commits

Author SHA1 Message Date
Sebastien Bourdeauducq ec893222a4 rtio: remove support for async mode 2023-01-06 18:22:05 +08:00
mwojcik a6856a5e4a rtio: remove rtio clock, use sys instead 2022-11-01 08:12:54 +08:00
Sebastien Bourdeauducq 504f72a02c rtio: remove legacy i_overflow_reset CSR 2020-08-06 17:52:32 +08:00
Sebastien Bourdeauducq 3a7819704a rtio: support direct 64-bit now CSR in KernelInitiator 2020-04-26 16:04:32 +08:00
Sebastien Bourdeauducq cf9447ab77 rtio/cri: remove unneeded CSR management 2019-01-05 23:40:45 +08:00
Sebastien Bourdeauducq 7e14f3ca4e compiler,gateware: atomic now stores 2018-12-02 05:06:46 +08:00
Sebastien Bourdeauducq 8caea0e6d3 gateware,runtime: optimize RTIO kernel interface further
* now pinning (TODO: atomicity)
* for inputs, merge request and timeout registers
2018-11-08 18:29:24 +08:00
Sebastien Bourdeauducq aadf5112b7 rtio: remove incorrect comment 2018-11-08 00:02:44 +08:00
Sebastien Bourdeauducq 3d0c3cc1cf gateware,runtime: optimize RTIO output interface
* reduce address to 8 bits
* merge core, channel and address into 32-bit pre-computable "target"
* merge we register into data register
2018-11-07 23:39:58 +08:00
Sebastien Bourdeauducq d38755feff drtio: implement destination state checks on operations 2018-09-15 15:55:45 +08:00
Sebastien Bourdeauducq 420e1cb1d0 cri: fix firmware routing table access 2018-09-12 18:08:16 +08:00
Sebastien Bourdeauducq 5bcd40ff59 cri: fix routing table depth 2018-09-12 17:30:55 +08:00
Sebastien Bourdeauducq d5577ec0d0 cri: add routing table support 2018-09-09 16:26:48 +08:00
Sebastien Bourdeauducq f3fe818049 rtio: refactor TSC to allow sharing between cores 2018-09-03 09:48:12 +08:00
Sebastien Bourdeauducq 0fe2a6801e drtio: forward destination with channel 2018-09-02 15:50:23 +08:00
Sebastien Bourdeauducq aa64e6c1c6 cri: add buffer space request protocol 2018-08-29 15:16:43 +08:00
Sebastien Bourdeauducq f0771765c1 rtio: move CRI write comment to more appropriate location 2018-03-29 23:55:00 +08:00
Robert Jördens 3a6566f949 rtio: judicious spray with reset_less=True
Hoping to reduce rst routing difficulty and easier RTIO timing closure.
2018-03-07 14:57:18 +00:00
Sebastien Bourdeauducq 928d5dc9b3 drtio: raise RTIOLinkError if operation fails due to link lost (#942) 2018-03-04 01:02:53 +08:00
Sebastien Bourdeauducq 5437f0e3e3 rtio: make sequence errors consistently asychronous 2017-09-29 14:40:06 +08:00
Sebastien Bourdeauducq d8aa75b742 rtio/sed: add minimum buffer space reporting 2017-09-20 11:27:57 +08:00
Sebastien Bourdeauducq 6dc9cad2c9 rtio: add explanation about cri.counter 2017-09-19 12:05:12 +08:00
Robert Jördens 2a76034fbc cri: add note about clearing of o_data 2017-06-16 19:06:00 +02:00
whitequark 47632f81b1 gateware: CRIArbiter -> CRISwitch. 2017-04-05 16:10:39 +00:00
whitequark 391660e545 gateware: simplify the CRI arbiter to use a plain mux. 2017-04-05 15:09:19 +00:00
Sebastien Bourdeauducq b74d6fb9ba make collision and busy asynchronous errors, and simplify CPU/gateware handshake for output errors and reads 2017-03-27 16:32:23 +08:00
Sebastien Bourdeauducq 497c795d8c drtio: input support (untested) 2017-03-13 23:54:44 +08:00
Sebastien Bourdeauducq 1e6a33b586 rtio: handle input timeout in gateware
The information passed by the runtime will be used by the DRTIO core
to poll the remote side appropriately.
2017-03-03 17:37:47 +08:00
Sebastien Bourdeauducq bc36bda94a perform RTIO init on comms CPU side 2016-12-09 14:16:55 +08:00
Sebastien Bourdeauducq 6c97a97d8c rtio: support single-master CRI arbiter 2016-12-01 16:30:11 +08:00
Sebastien Bourdeauducq a318243083 rtio: CRI arbiter (untested) 2016-12-01 15:41:43 +08:00
Sebastien Bourdeauducq 5460202220 drtio: typo 2016-11-28 14:35:21 +08:00
Sebastien Bourdeauducq 4e1b497742 drtio: typo 2016-11-28 14:34:58 +08:00
Sebastien Bourdeauducq c419c422fa drtio: support for local RTIO core 2016-11-28 14:33:26 +08:00
Sebastien Bourdeauducq 2d62a89143 rtio: use large data register 2016-11-23 23:23:27 +08:00
Sebastien Bourdeauducq aa00627c0e rtio: fix CRI CSRs 2016-11-22 22:57:04 +08:00
Sebastien Bourdeauducq 9acc7d135e gateware: common RTIO interface 2016-11-22 22:46:50 +08:00