From 4a8b102c7ef598c6f73203e3ed8c3b14590cf569 Mon Sep 17 00:00:00 2001 From: Florent Kermarrec Date: Wed, 31 May 2023 16:54:56 +0200 Subject: [PATCH] frontend/avalon: Remove downconvert specific logic (no longer required with LiteDRAMNativePortConverter improvement). --- litedram/frontend/avalon.py | 40 ++----------------------------------- 1 file changed, 2 insertions(+), 38 deletions(-) diff --git a/litedram/frontend/avalon.py b/litedram/frontend/avalon.py index 67f0fce..fc3f886 100644 --- a/litedram/frontend/avalon.py +++ b/litedram/frontend/avalon.py @@ -96,8 +96,8 @@ class LiteDRAMAvalonMM2Native(LiteXModule): port.cmd.we.eq(avalon.write), port.cmd.valid.eq(1), port.cmd.last.eq(1), - If((downconvert == True) | port.cmd.ready, - avalon.waitrequest.eq(downconvert == True), + If(port.cmd.ready, + avalon.waitrequest.eq(0), If(port.cmd.we, NextState("SINGLE_WRITE") ).Else( @@ -112,28 +112,11 @@ class LiteDRAMAvalonMM2Native(LiteXModule): avalon.waitrequest.eq(1), port.rdata.ready.eq(0), - If((downconvert == True), - port.cmd.addr.eq(address), - port.cmd.we.eq(1), - port.cmd.valid.eq(1), - - If(port.cmd.ready, - NextValue(cmd_ready_seen, 1) - ), - If(cmd_ready_seen, - port.cmd.valid.eq(0), - port.cmd.we.eq(0) - ), - ), - port.wdata.data.eq(writedata), port.wdata.valid.eq(1), port.wdata.we.eq(byteenable), If(port.wdata.ready, - If((downconvert == True), - avalon.waitrequest.eq(0) - ), NextState("START") ) ) @@ -142,29 +125,10 @@ class LiteDRAMAvalonMM2Native(LiteXModule): avalon.waitrequest.eq(1), port.rdata.ready.eq(1), - If((downconvert == True), - port.cmd.addr.eq(address), - port.cmd.we.eq(0), - port.cmd.valid.eq(1), - - If(port.cmd.ready, - NextValue(cmd_ready_seen, 1) - ), - If(cmd_ready_seen, - port.cmd.valid.eq(0), - port.cmd.we.eq(0) - ), - ), - If(port.rdata.valid, avalon.readdata.eq(port.rdata.data), avalon.readdatavalid.eq(1), - If((downconvert == True), - port.cmd.valid.eq(0), - avalon.waitrequest.eq(0), - ), - NextState("START") ) )