From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Mon, 16 Feb 2015 22:37:08 +0000 (+0100)
Subject: etherbone: fix addressing
X-Git-Tag: 24jan2021_ls180~2604^2~14
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1a3183c15d167120372d981484e8f22ff34f53bb;p=litex.git

etherbone: fix addressing
---

diff --git a/liteeth/core/etherbone/record.py b/liteeth/core/etherbone/record.py
index 36a54bb9..77bc0378 100644
--- a/liteeth/core/etherbone/record.py
+++ b/liteeth/core/etherbone/record.py
@@ -52,7 +52,7 @@ class LiteEthEtherboneRecordReceiver(Module):
 			source.eop.eq(counter.value == fifo.source.wcount-1),
 			source.count.eq(fifo.source.wcount),
 			source.be.eq(fifo.source.byte_enable),
-			source.addr.eq(base_addr.q + counter.value),
+			source.addr.eq(base_addr.q[2:] + counter.value),
 			source.we.eq(1),
 			source.data.eq(fifo.source.data),
 			fifo.source.ack.eq(source.ack),
@@ -80,7 +80,7 @@ class LiteEthEtherboneRecordReceiver(Module):
 			source.eop.eq(counter.value == fifo.source.rcount-1),
 			source.count.eq(fifo.source.rcount),
 			source.base_addr.eq(base_addr.q),
-			source.addr.eq(fifo.source.data),
+			source.addr.eq(fifo.source.data[2:]),
 			fifo.source.ack.eq(source.ack),
 			If(source.stb & source.ack,
 				counter.ce.eq(1),
diff --git a/liteeth/test/etherbone_tb.py b/liteeth/test/etherbone_tb.py
index c49dc3c2..275dc2e6 100644
--- a/liteeth/test/etherbone_tb.py
+++ b/liteeth/test/etherbone_tb.py
@@ -86,7 +86,7 @@ class TB(Module):
 
 			# test reads
 			if test_reads:
-				reads_addrs = [j for j in range(16)]
+				reads_addrs = [0x1000 + 4*j for j in range(16)]
 				reads = etherbone.EtherboneReads(base_ret_addr=0x1000, addrs=reads_addrs)
 				record = etherbone.EtherboneRecord()
 				record.writes = None
diff --git a/liteeth/test/model/__init__.py b/liteeth/test/model/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/test/test_etherbone.py b/test/test_etherbone.py
index fd342898..4fb4acd2 100644
--- a/test/test_etherbone.py
+++ b/test/test_etherbone.py
@@ -1,7 +1,7 @@
 import socket, time
 from liteeth.test.model.etherbone import *
 
-SRAM_BASE = 0x02000000//4
+SRAM_BASE = 0x02000000
 
 import socket
 sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
@@ -36,7 +36,7 @@ sock.sendto(bytes(packet), ("192.168.1.40", 20000))
 time.sleep(0.01)
 
 # test reads
-reads_addrs = [SRAM_BASE+j for j in range(16)]
+reads_addrs = [SRAM_BASE+4*j for j in range(16)]
 reads = EtherboneReads(base_ret_addr=0x1000, addrs=reads_addrs)
 record = EtherboneRecord()
 record.writes = None