riscv/rocket-chip
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f5211765e9
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295 Commits

Author SHA1 Message Date
Henry Cook
f5211765e9
Merge pull request #1177 from freechipsproject/dont-touch-2 
Make more use of chisel3.experimental.DontTouch
 2018-01-09 15:13:55 -08:00
Henry Cook
11e5b620f8 tile: disable more monitors on slave port 2018-01-08 18:42:25 -08:00
Henry Cook
847efde385 coreplex: dontTouch the tile_inputs wire 2018-01-05 12:47:41 -08:00
Wesley W. Terpstra
f749e986cf coreplex: fix TL MMIO port example 2018-01-05 12:29:47 +01:00
Henry Cook
efe7165b54 tile: BaseTile refactor, pt 2 
* 2 layer cake
* no more bundle traits, only call to IO
 2018-01-02 15:37:31 -08:00
Henry Cook
1579ddb97e tile: removed RocketTileWrapper. RocketTile now HasCrossing. 2017-12-28 14:00:13 -08:00
Henry Cook
1cd018546c tile: BaseTile refactor, pt 1 
* Make dts generation reusable across tile subclasses
* First attempt to standardize tile IO nodes and connect methods
* hartid => hartId when talking about scala Ints
 2017-12-26 11:04:15 -08:00
Henry Cook
d9c5ec4f7b coreplex: HasTiles supplies def tileParams 2017-12-20 17:18:55 -08:00
Henry Cook
ddaeedf2d0 coreplex: make HasTiles more generic 
HasTiles now deals with only extremely general tile IOs.
Some RocketTiles specific behavior moved into RocketCoreplex.
BaseTile now has optional LocalInterruptNode.
 2017-12-20 17:18:55 -08:00
Wesley W. Terpstra
18b8a61775 Error device: require explicit control of atomic and transfer sizes 2017-12-08 13:41:09 -08:00
Wesley W. Terpstra
b8098d18be
diplomacy: remove the :=? operator in favour of magic :*=* (#1139) 
The reason for the :=? operator was for when you have an adapter chain
whose direction of cardinality you could not know. We used explicit
directives to tell these compositions which way to go.

Unfortunately, that makes the API leaky. You think the chain of adapters
is just one adapter, but you have to use strange Cardinality scopes to
use it. That's just bad.

The new :*=* just automagically figures it out from the graph.
 2017-12-01 18:28:37 -08:00
Wesley W. Terpstra
8781d2b2e7 diplomacy: provide a val name for all LazyModule constructions 2017-12-01 11:28:21 -08:00
Wesley W. Terpstra
fe8d557751 PeripheryBus: automatically disappear when not used 2017-12-01 11:26:59 -08:00
Wesley W. Terpstra
93c8010aca FrontBus: automatically disappear when not used 2017-12-01 11:26:59 -08:00
Wesley W. Terpstra
6f3ff634f2 DTS: collect common DTS nodes and move timebase-frequency to cores 
Putting the common DTS nodes into a shared object makes them get
emitted only one time. Plus it's better style.

timebase-frequency should really have been in the cpu nodes in the
first place according to the spec anyway. I was foolishly trying to
save bytes. However, now we really want it there in case it differs.
 2017-11-20 18:09:57 -08:00
Wesley W. Terpstra
7a1937242a coreplex: provide correct bus-width for ITIM blockers 2017-11-18 14:32:37 -08:00
Henry Cook
b625e68360
tile: put a BasicBusBlocker inside RocketTile (#1115) 
...instead of on the master side of the system bus.

People inheriting from HasTileMasterPort might need to add
`masterNode := tileBus.node` to their Tile child class.
 2017-11-17 17:26:48 -08:00
Wesley W. Terpstra
0cfa801bfc
coreplex: allow MMIO to be misaligned (#1103) 2017-11-10 15:12:28 -08:00
Wesley W. Terpstra
a061b16ee3
coreplex: fix typo (#1104) 2017-11-10 15:11:56 -08:00
Henry Cook
d096fd206b
coreplex: WithStatelessBridge => WithIncoherentTiles (#1092) 2017-11-07 13:47:56 -08:00
Wesley W. Terpstra
16116991e7
Fix stateless caching (#1084) 
* tilelink: ToAXI4 should format it's error message

* WithStatelessBridge: mark the memory bus incoherent and cacheable

... and hope that the user doesn't put more than one master down.
 2017-11-01 11:05:56 -07:00
Wesley W. Terpstra
a954f020a9 diplomacy: use new node style chaining 2017-10-28 11:34:16 -07:00
Wesley W. Terpstra
41705808dd Bus: remove deprecated crossing attach methods 2017-10-28 11:34:16 -07:00
Wesley W. Terpstra
eeb11a2693 coreplex: eliminate dead code 2017-10-27 01:13:35 -07:00
Wesley W. Terpstra
e12bdfdf9b coreplex: attach example external interrupts (#1076) 
Fixes #1071
 2017-10-27 01:12:42 -07:00
Wesley W. Terpstra
13981379c4 CoreplexClockCrossing: add a helper method to decide if a clock is useul (#1074) 2017-10-26 23:39:56 -07:00
Wesley W. Terpstra
1d8e539362 coreplex: confirm crossings actually cross the right boundary 2017-10-26 15:53:01 -07:00
Wesley W. Terpstra
9e33ccdb05 rocket: clarify intent of boundaryBuffers and move to RocketTile 2017-10-26 13:58:52 -07:00
Wesley W. Terpstra
380cc6f03b axi4: now also supports the island pattern 2017-10-26 13:04:32 -07:00
Wesley W. Terpstra
05d48d1807 TLBuffer: replace TLBufferChain with TLBuffer.chain 2017-10-26 13:04:32 -07:00
Wesley W. Terpstra
ce2b904b19 coreplex: tidy up interrupt crossings 2017-10-26 13:04:32 -07:00
Wesley W. Terpstra
e30906589f coreplex: refactor crossings to use node pattern 2017-10-26 13:04:32 -07:00
Wesley W. Terpstra
8c5e8dd071 coreplex: leverage improved := composition 2017-10-26 13:04:32 -07:00
Henry Cook
b48ab985d0 coreplex: RocketTileWrapper now HasCrossingHelper 2017-10-26 13:04:32 -07:00
Henry Cook
9fe35382ea sbus: tile adapters in sbus scope 2017-10-26 13:04:32 -07:00
Henry Cook
95a2e6ef27 coreplex: improve tile attachment adapters 2017-10-26 13:04:32 -07:00
Wesley W. Terpstra
2175758050 interrupts: implement in crossing wrapper 2017-10-26 13:04:29 -07:00
Wesley W. Terpstra
c6f95570df IntNodes: moved from tilelink to their own package 2017-10-25 16:56:51 -07:00
Wesley W. Terpstra
6bc9c9fc6c coreplex: add a crossing wrapper to generalize the island pattern 2017-10-25 16:56:50 -07:00
Wesley W. Terpstra
82b1aa8116 coreplex: print the A first to look nicer 2017-10-18 16:52:35 -07:00
Wesley W. Terpstra
a1ac23d7ec coreplex: continue to print the device name in the address map 2017-10-18 16:44:53 -07:00
Richard Xia
5a951799aa Add atomics support to DTS JSON file. 2017-10-18 15:17:53 -07:00
Wesley W. Terpstra
8b58327fa4 axi4: conversion from TL does not need beatBytes (#1051) 
We used to pack the addr_lo into user bits. We don't do that anymore.
There is thus no need to waste those bits, nor to pass that arg.
 2017-10-12 16:41:54 -07:00
Henry Cook
b64609bfe8 Merge pull request #1039 from freechipsproject/tile-crossing-params 
Improvements wrt connecting RocketTiles to SystemBus
 2017-10-11 17:12:03 -07:00
Megan Wachs
7b4c48d005 Correctly hook up the Local Interrupts into the Coreplex. Name some IntXBars 2017-10-11 15:10:50 -07:00
Henry Cook
60934ac622 coreplex: TilePortParams use BasicBusBlockers 2017-10-11 13:36:46 -07:00
Henry Cook
1240cb275c coreplex: TilePortParams formatting 2017-10-11 00:29:11 -07:00
Henry Cook
37406706b4 coreplex: move CacheCork in front of SBus 
Continue to not allow caches to cache ROMs.
Update TinyConfig and WithStatelessBridge.
 2017-10-10 16:24:32 -07:00
Henry Cook
8f5f80f958 coreplex: TileSlavePortParams inject adapters into PBus 2017-10-10 15:25:08 -07:00
Henry Cook
660355004e coreplex: TileMasterPortParams inject adapters into SBus 2017-10-10 15:02:50 -07:00