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343 Commits 12 Branches 31 Tags 6.5 MiB
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36 Commits

Author SHA1 Message Date
Sean Cross
d82ded61bf deps: use latest lxsocdoc 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-09-19 11:51:44 +08:00
Sean Cross
af9d115d5d hw: deps: sync with upstream to get documentation support 
The latest upstream now has documented CSRs.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-09-19 09:20:52 +08:00
Sean Cross
d29f21af83 deps: use latest valentyusb 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-09-12 10:24:02 +08:00
Sean Cross
5401fde323 hw: deps: clean up submodules 
There are lots of modules that we don't need.  Remove them.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-09-11 18:41:35 +08:00
Sean Cross
6c1f63344c litex: move to earlier version 
This earlier version of litex should behave the same, but saves
~400 LCs and allows us to have four HW breakpoints.

Will investigate what changed later on.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-07-22 08:55:26 +08:00
Sean Cross
b0b87addae hw: deps: use experimental lxsocsupport up5kspram block 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-07-21 13:48:26 +08:00
Sean Cross
2b9f9612d8 hw: deps: use latest litex 
This will enable us to have spiflash working later on.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-07-21 12:27:03 +08:00
Sean Cross
425787484d hw: deps: fix metastability with new valentyusb 
The new valentyusb fixes metastability in the tx and rx path.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-07-21 12:26:34 +08:00
Sean Cross
eed9897cfc litex: pull latest spi flash changes 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-07-08 14:14:14 +08:00
Sean Cross
61d912b9fc valentyusb: update to include dummyusb fixes 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-06-19 12:38:47 -07:00
Sean Cross
14e46296e5 litex: use upstream version with fixed debug packet 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-05-22 08:41:01 +08:00
Sean Cross
47cbc614a1 hw: deps: use valentyusb v0.3.3 
This version removes retry from the usb wishbone bridge.  It was
discovered that this causes crc errors.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-05-20 13:01:36 +08:00
Sean Cross
7f025eac5c valentyusb: fix debug with multiple endpoints 
Now we properly inhibit other endpoints, and prevent the buffer from
draining when there's a debug packet.

This also prevents an early return from DEBUG READ.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-05-14 15:33:00 +08:00
Sean Cross
0f5267122b valentyusb: use generic IO blocks 
There's no need to use ICE40-specific IO blocks.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-05-14 10:23:49 +08:00
Sean Cross
8d6c3dc5fc deps: valentyusb: use new usb pipeline 
This pipeline removes the timing violations we had, and improves the
debug bridge by quite a lot.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-05-12 21:47:11 +08:00
Sean Cross
c5eb487951 deps: valentyusb: add fixes from usbalex 
These fix the timing of the USB connection.

These fixes also fix issues with USB debugging.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-05-10 22:11:17 +08:00
Sean Cross
3a6ae4679a deps: valentyusb: fix "STALL" error on debug packets 
We weren't properly ACKing debug packets.  This fixes that.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-05-01 14:21:54 -07:00
Sean Cross
6caffc1eb6 hw: deps: have valentyusb reset itself on error 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-28 16:43:12 +08:00
Sean Cross
bee41ec891 hw: valentyusb: better buffer draining on reset 
Pull in improved support for draining the buffers when going into reset.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-25 13:27:55 +08:00
Sean Cross
ace0d2c22f hw: valentyusb: sync wishbone ep1 fixes 
This fixes EP1+ so that interleved accesses work.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-23 17:25:06 +08:00
Sean Cross
4e5c75a0df deps: valentyusb: use debug port fix 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-21 21:50:52 +08:00
Sean Cross
698ea6c2f7 deps: litex: sync upstream for litex_server changes 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-21 21:49:31 +08:00
Sean Cross
c0690187b4 Merge branch 'wishbone-debug' 2019-04-21 21:48:33 +08:00
Sean Cross
eb6fa89452 merge debug 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-21 21:48:16 +08:00
Sean Cross
0fce77fb21 examples: add usb-cdcacm example 
This tests that multiple endpoints work as we expect.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-21 21:44:37 +08:00
Sean Cross
aef5043db0 deps: litex: use latest upstream branch 
This contains the usb patches, as well as vexriscv reset patch.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-20 08:55:24 +08:00
Sean Cross
7eaad24d50 deps: valentyusb: use wishbone-debug branch 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-18 21:30:45 +08:00
Sean Cross
20c0fb2b2b valentyusb: revert shorter-pipeline patch 
It didn't seem to fix anything, and may have made things worse.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-07 22:57:05 +08:00
Sean Cross
4c3f0f2402 valentyusb: use experimental shorter pipeline 
This helps to improve timing.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-04-03 22:11:02 +08:00
Sean Cross
6595eb1ef1 valentyusb: increase incoming buffer to 128 bytes 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-28 11:12:32 +08:00
Sean Cross
c7632ae8bd deps: litex: sync with latest version 
This pulls in several fixes, including custom vexriscv modules.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-17 17:33:31 +01:00
Sean Cross
4aa3861c03 hw: deps: update to first feature-complete valentyusb 
This is the first version of `valentyusb` that successfully enumerates
without any errors.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-11 11:52:03 +08:00
Sean Cross
5bcd6c44fb deps: update valentyusb to working rev 
This revision works, although more tuning needs to be done.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-10 22:43:28 +08:00
Sean Cross
44ee19c8b4 valentyusb: use latest fix for metastable transmissions 
Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-06 14:06:17 +08:00
Sean Cross
3df59a866d metastable fix: wip 
Trying to figure out what's causing this problem.

Signed-off-by: Sean Cross <sean@xobs.io>
 2019-03-05 20:28:54 +08:00
Sean Cross
8fe27d9371 Add 'hw/' from commit 'd812378c4d61f7c957ac4bcba15a8344fb7fb458' 
git-subtree-dir: hw
git-subtree-mainline: e4af98b4aa
git-subtree-split: d812378c4d
 2019-03-05 09:05:50 +08:00