From ddc99febb5caa3eb81939f008877de3ef0f35edd Mon Sep 17 00:00:00 2001
From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Sun, 14 Dec 2014 20:30:21 +0100
Subject: [PATCH] command: address/length in bytes

---
 lib/sata/command/__init__.py | 17 ++++++++++-------
 lib/sata/test/command_tb.py  |  8 ++++----
 2 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/lib/sata/command/__init__.py b/lib/sata/command/__init__.py
index 88dd700e..a669a2a1 100644
--- a/lib/sata/command/__init__.py
+++ b/lib/sata/command/__init__.py
@@ -16,19 +16,22 @@ rx_to_tx = [
 ]
 
 class SATACommandTX(Module):
-	def __init__(self, transport):
+	def __init__(self, transport, sector_size):
 		self.sink = sink = Sink(command_tx_description(32))
 		self.to_rx = to_rx = Source(tx_to_rx)
 		self.from_rx = from_rx = Sink(rx_to_tx)
 
 		###
 
+		sector_bits = log2_int(sector_size)
+		dwords_bits = 2
+
 		self.comb += [
 			transport.sink.pm_port.eq(0),
 			transport.sink.features.eq(0),
-			transport.sink.lba.eq(sink.address),  # XXX need adaptation?
+			transport.sink.lba.eq(sink.address[sector_bits-dwords_bits:]),
 			transport.sink.device.eq(0xe0),
-			transport.sink.count.eq(sink.length), # XXX need adaptation?
+			transport.sink.count.eq(sink.length[sector_bits-dwords_bits:]),
 			transport.sink.icc.eq(0),
 			transport.sink.control.eq(0),
 		]
@@ -113,7 +116,7 @@ class SATACommandTX(Module):
 		]
 
 class SATACommandRX(Module):
-	def __init__(self, transport):
+	def __init__(self, transport, sector_size):
 		self.source = source = Source(command_rx_description(32))
 		self.to_tx = to_tx = Source(rx_to_tx)
 		self.from_tx = from_tx = Sink(tx_to_rx)
@@ -214,9 +217,9 @@ class SATACommandRX(Module):
 		]
 
 class SATACommand(Module):
-	def __init__(self, transport):
-		self.submodules.tx = SATACommandTX(transport)
-		self.submodules.rx = SATACommandRX(transport)
+	def __init__(self, transport, sector_size=512):
+		self.submodules.tx = SATACommandTX(transport, sector_size)
+		self.submodules.rx = SATACommandRX(transport, sector_size)
 		self.comb += [
 			self.rx.to_tx.connect(self.tx.from_rx),
 			self.tx.to_rx.connect(self.rx.from_tx)
diff --git a/lib/sata/test/command_tb.py b/lib/sata/test/command_tb.py
index 59a786ed..bd509277 100644
--- a/lib/sata/test/command_tb.py
+++ b/lib/sata/test/command_tb.py
@@ -109,7 +109,7 @@ class TB(Module):
 				link_random_level=25, link_debug=False,
 				transport_debug=False, transport_loopback=False,
 				command_debug=False,
-				mem_debug=True)
+				hdd_debug=True)
 		self.submodules.link = SATALink(self.hdd.phy)
 		self.submodules.transport = SATATransport(self.link)
 		self.submodules.command = SATACommand(self.transport)
@@ -129,11 +129,11 @@ class TB(Module):
 
 	def gen_simulation(self, selfp):
 		self.hdd.allocate_mem(0x00000000, 64*1024*1024)
-		write_data = [i for i in range(128)]
-		write_packet = CommandTXPacket(write=1, address=1024, length=len(write_data), data=write_data)
+		write_data = [i for i in range(512//4)]
+		write_packet = CommandTXPacket(write=1, address=0, length=len(write_data), data=write_data)
 		yield from self.streamer.send(write_packet)
 		yield from self.logger.receive()
-		read_packet = CommandTXPacket(read=1, address=1024, length=len(write_data))
+		read_packet = CommandTXPacket(read=1, address=0, length=len(write_data))
 		yield from self.streamer.send(read_packet)
 		yield from self.logger.receive()
 		read_data = self.logger.packet
-- 
2.30.2