add test_bist_mila to show how to capture data

targets/test.py

@@ -189,8 +189,6 @@ class TestDesign(UART2WB, AutoCSR):
 
 		debug = (
 			ctrl.ready,
-			ctrl.sink.data,
-			ctrl.sink.charisk,
 
 			self.sata_phy.source.stb,
 			self.sata_phy.source.data,

test/test_bist.py

@@ -1,77 +0,0 @@
-import time
-import argparse
-from config import *
-
-sector_size = 512
-
-class SATABISTDriver:
-	def __init__(self, regs):
-		self.regs = regs
-		self.last_sector = 0
-		self.last_time = time.time()
-		self.last_errors = 0
-		self.mode = "rw"
-
-	def set_mode(self, mode):
-		self.mode = mode
-		self.regs.bist_write_only.write(0)
-		self.regs.bist_read_only.write(0)
-		if mode == "wr":
-			self.regs.bist_write_only.write(1)
-		if mode == "rd":
-			self.regs.bist_read_only.write(1)
-
-	def start(self, sector, count, mode):
-		self.set_mode(mode)
-		self.regs.bist_start_sector.write(sector)
-		self.regs.bist_count.write(count)
-		self.regs.bist_stop.write(0)
-		self.regs.bist_start.write(1)
-
-	def stop(self):
-		self.regs.bist_stop.write(1)
-
-	def show_status(self):
-		errors = self.regs.bist_errors.read() - self.last_errors
-		self.last_errors += errors
-
-		sector = self.regs.bist_sector.read()
-		n = sector - self.last_sector
-		self.last_sector = sector
-
-		t = self.last_time - time.time()
-		self.last_time = time.time()
-
-		if self.mode in ["wr", "rd"]:
-			speed_mult = 1
-		else:
-			speed_mult = 2
-		print("%4.2f MB/sec errors=%d sector=%d" %(n*sector_size*speed_mult/(1024*1024), errors, sector))
-
-
-def _get_args():
-	parser = argparse.ArgumentParser(formatter_class=argparse.RawDescriptionHelpFormatter,
-		description="""\
-SATA BIST utility.
-""")
-	parser.add_argument("-s", "--sector", default=0, help="BIST start sector")
-	parser.add_argument("-c", "--count", default=4, help="BIST count (number of sectors per transaction)")
-	parser.add_argument("-m", "--mode", default="rw", help="BIST mode (rw, wr, rd")
-
-	return parser.parse_args()
-
-if __name__ == "__main__":
-	args = _get_args()
-	wb.open()
-	###
-	bist = SATABISTDriver(wb.regs)
-	try:
-		bist.start(int(args.sector), int(args.count), args.mode)
-		while True:
-			bist.show_status()
-			time.sleep(1)
-	except KeyboardInterrupt:
-		pass
-	bist.stop()
-	###
-	wb.close()

test/test_bist_mila.py

@@ -0,0 +1,42 @@
+import time
+from config import *
+from tools import *
+from bist import *
+from miscope.host.drivers import MiLaDriver
+
+mila = MiLaDriver(wb.regs, "mila")
+bist = SATABISTDriver(wb.regs)
+wb.open()
+regs = wb.regs
+###
+
+wr_cond = {
+	"sata_con_source_source_stb"			: 1,
+	"sata_con_source_source_payload_write"	: 1,
+}
+
+rd_cond = {
+	"sata_con_source_source_stb"			: 1,
+	"sata_con_source_source_payload_read"	: 1,
+}
+
+
+mila.prog_term(port=0, cond=rd_cond)
+mila.prog_sum("term")
+
+# Trigger / wait / receive
+mila.trigger(offset=32, length=1024)
+
+bist.start(0, 4, "rw")
+mila.wait_done()
+bist.stop()
+
+mila.read()
+mila.export("dump.vcd")
+###
+wb.close()
+
+print_link_trace(mila,
+	tx_data_name="sata_phy_sink_sink_payload_data",
+	rx_data_name="sata_phy_source_source_payload_data"
+)