riscv/rocket-chip
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32 Commits

Author SHA1 Message Date
Wesley W. Terpstra
45a904b396 ahb: ignore hrdata on an AHB error 
From the AHB spec:
 "A slave only has to provide valid data when a transfer completes with an OKAY
  response. ERROR responses do not require valid read data."
 2017-10-30 21:09:45 -07:00
Wesley W. Terpstra
6318d7d44c ahb: inject fuzzy errors 2017-10-30 21:09:45 -07:00
Wesley W. Terpstra
2912a76a2b axi4: inject fuzzy errors 2017-10-30 21:09:45 -07:00
Wesley W. Terpstra
e8ed450f13 unit tests: do not use LFSR16 which has a common seed! 
We want each LFSR to generate independent noise.
 2017-10-30 21:09:45 -07:00
Wesley W. Terpstra
ec70e5fb02 apb: inject fuzzy errors 2017-10-30 21:09:45 -07:00
Wesley W. Terpstra
a954f020a9 diplomacy: use new node style chaining 2017-10-28 11:34:16 -07:00
Wesley W. Terpstra
6aac658184 diplomacy: convert all helper objects to return nodes 2017-10-28 11:34:16 -07:00
Wesley W. Terpstra
7cf5d4aa90 diplomacy: define only primary node types 2017-10-28 11:16:56 -07:00
Wesley W. Terpstra
da7703aee9 crossings: deprecate non-island crossing style 2017-10-26 13:58:52 -07:00
Wesley W. Terpstra
76df1397e0 crossings: stop using deprecated APIs in tests 2017-10-26 13:04:32 -07:00
Wesley W. Terpstra
380cc6f03b axi4: now also supports the island pattern 2017-10-26 13:04:32 -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
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
Wesley W. Terpstra
f82e441426 axi4: implement a diplomatic AXI4 clock crossing (#1049) 2017-10-12 00:05:45 -07:00
Henry Cook
547bdc2b5b diplomacy: standardize sram device resource naming (#1022) 2017-09-29 14:52:26 -07:00
Wesley W. Terpstra
ce01ab2700 RegisterRouter: correctly create interrupts vector 2017-09-27 12:27:16 -07:00
Wesley W. Terpstra
a27e853101 diplomacy: move rendering properties to edges 
FlipRendering { implicit p => ... } now changes the render direction of edges.
diplomatic NodeImps can specify a default render flip using the new 'render' method.
 2017-09-26 13:24:36 -07:00
Wesley W. Terpstra
76c2aa1661 diplomacy: introduce the typing-saving SimpleNodeImp 2017-09-26 12:28:59 -07:00
Wesley W. Terpstra
cfb7f13408 diplomacy: capture SourceInfo at point of := in Edge parameters 2017-09-22 22:25:56 -07:00
Wesley W. Terpstra
9217baf9d4 diplomacy: change API to auto-create node bundles => cross-module refs 2017-09-22 15:01:39 -07:00
Wesley W. Terpstra
87d597c70d ahb apb: remove unintentional var 2017-09-22 14:38:47 -07:00
Wesley W. Terpstra
d89ee9d9d4 nodes: grab a name on construction 2017-09-22 14:38:47 -07:00
Wesley W. Terpstra
e831acba9c adapters: support bulk connections 2017-09-07 16:03:35 -07:00
Wesley W. Terpstra
2e4f1611ed tilelink: Error device supports Acquire 
We need this if we want to divert traffic to it from a TL-C slave.
 2017-07-27 18:32:58 -07:00
Henry Cook
01ca3efc2b Combine Coreplex and System Module Hierarchies (#875) 
* coreplex collapse: peripherals now in coreplex

* coreplex: better factoring of TLBusWrapper attachement points

* diplomacy: allow monitorless :*= and :=*

* rocket: don't connect monitors to tile tim slave ports

* rename chip package to system

* coreplex: only sbus has a splitter

* TLFragmenter: Continuing my spot battles on requires without explanatory strings

* pbus: toFixedWidthSingleBeatSlave

* tilelink: more verbose requires

* use the new system package for regression

* sbus: add more explicit FIFO attachment points

* delete leftover top-level utils

* cleanup ResetVector and RTC
 2017-07-23 08:31:04 -07:00
Wesley W. Terpstra
9310a33e77 apb: SRAM can emulate incompletely populated memory 2017-07-07 21:40:40 -07:00
Wesley W. Terpstra
28fbf1af8e ahb: SRAM can emulate incompletely populated memory 2017-07-07 21:40:39 -07:00
Wesley W. Terpstra
df44b23956 axi4: SRAM can emulate incompletely populated memory 2017-07-07 21:40:39 -07:00
Wesley W. Terpstra
f1fb3be603 ahb: SRAM reports errors on illegal access 2017-07-07 21:15:36 -07:00
Wesley W. Terpstra
19851a7c9e apb: SRAM reports errors on illegal access 2017-07-07 21:15:33 -07:00
Wesley W. Terpstra
025f7d890b axi4: SRAM now reports errors on illegal address (#852) 2017-07-07 19:27:32 -07:00
Henry Cook
4c595d175c Refactor package hierarchy and remove legacy bus protocol implementations (#845) 
* Refactors package hierarchy.

Additionally:
  - Removes legacy ground tests and configs
  - Removes legacy bus protocol implementations
  - Removes NTiles
  - Adds devices package
  - Adds more functions to util package
 2017-07-07 10:48:16 -07:00