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Revert "Revert "Use wide to narrow AXI4 shim""

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This reverts commit 93180fbe25.
This commit is contained in:
Peter Rugg
2023-03-01 14:38:13 +00:00
parent 43257bf4dc
commit eb755801eb
2 changed files with 19 additions and 22 deletions
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19
src_SSITH_P3/src_BSV/P3_Core.bsv
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@@ -32,6 +32,7 @@ import Vector :: *;
import GetPut_Aux :: *;
import Routable :: *;
import BlueBasics :: *;
import BlueAXI4 :: *;
import SourceSink :: *;
import WindCoreInterface :: *;
@@ -166,15 +167,13 @@ module mkP3_Core (P3_Core_IFC);
<- mkCoreW_reset (dm_power_on_reset, reset_by ndm_reset);
match {.otherRst, .corew} = both;
// AXI4 Narrower Master in front of cached memory master
AXI4_Shim#(TAdd#(Wd_MId,1), Wd_Addr, Wd_Data_Periph, 0, 0, 0, 0, 0)
manager_0_narrow <- mkAXI4ShimFF;
AXI4_Slave #(TAdd#(Wd_MId,1), Wd_Addr, TDiv#(Wd_Data,4), 0, 0, 0, 0, 0)
manager_0_wide_a <- toWider_AXI4_Slave(manager_0_narrow.slave);
AXI4_Slave #(TAdd#(Wd_MId,1), Wd_Addr, TDiv#(Wd_Data,2), 0, 0, 0, 0, 0)
manager_0_wide_b <- toWider_AXI4_Slave(manager_0_wide_a);
AXI4_Slave #(TAdd#(Wd_MId,1), Wd_Addr, Wd_Data, 0, 0, 0, 0, 0)
manager_0_wide <- toWider_AXI4_Slave(manager_0_wide_b);
mkConnection(corew.manager_0,manager_0_wide);
NumProxy #(4) proxyInDepth = error ("don't look inside a proxy");
NumProxy #(4) proxyOutDepth = error ("don't look inside a proxy");
Tuple2 #( AXI4_Slave #(TAdd#(Wd_MId,1), Wd_Addr, Wd_Data, 0, 0, 0, 0, 0)
, AXI4_Master #(TAdd#(Wd_MId,1), Wd_Addr, Wd_Data_Periph, 0, 0, 0, 0, 0) )
wideS_narrowM <- mkAXI4DataWidthShim_WideToNarrow (proxyInDepth, proxyOutDepth);
match {.wideS, .narrowM} = wideS_narrowM;
mkConnection(corew.manager_0, wideS);
`ifdef INCLUDE_GDB_CONTROL
@@ -271,7 +270,7 @@ module mkP3_Core (P3_Core_IFC);
// ================================================================
// INTERFACE
let master0_sig <- toAXI4_Master_Sig (manager_0_narrow.master);
let master0_sig <- toAXI4_Master_Sig (narrowM);
let master1_sig <- toAXI4_Master_Sig (corew.manager_1);
// ----------------------------------------------------------------
// Core CPU interfaces