| Line 29... |
Line 29... |
TestFailure()
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TestFailure()
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else:
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else:
|
dut.log.info("Sata is Ready")
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dut.log.info("Sata is Ready")
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|
|
|
|
|
|
@cocotb.test(skip = True)
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@cocotb.test(skip = True)
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def short_write_test(dut):
|
def short_write_test(dut):
|
"""
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"""
|
Description:
|
Description:
|
Perform a single write to the SATA stack
|
Perform a single write to the SATA stack
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| Line 86... |
Line 87... |
-Address should be seen on the fake hard drive side
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-Address should be seen on the fake hard drive side
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-Data should be read out of the hard drive side
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-Data should be read out of the hard drive side
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-Number of data should be the same as the write amount
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-Number of data should be the same as the write amount
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"""
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"""
|
dut.test_id = 3
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dut.test_id = 3
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data_count = 400
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data_count = 2048
|
sata = SataController(dut, CLK_PERIOD)
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sata = SataController(dut, CLK_PERIOD)
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yield(sata.reset())
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yield(sata.reset())
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|
|
yield(sata.wait_for_idle())
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yield(sata.wait_for_idle())
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yield(sata.write_to_hard_drive(data_count, 0x00))
|
|
yield(sata.wait_clocks(100))
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yield(sata.wait_clocks(100))
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|
|
|
yield(sata.write_to_hard_drive(data_count, 0x00))
|
|
dut.u2h_write_enable = 1
|
|
yield(sata.wait_clocks(10000))
|
|
|
dut.log.info("Wrote %d piece of data to SATA" % data_count)
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dut.log.info("Wrote %d piece of data to SATA" % data_count)
|
|
|
|
|
@cocotb.test(skip = True)
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@cocotb.test(skip = True)
|
def long_read_test(dut):
|
def long_read_test(dut):
|
| Line 139... |
Line 143... |
yield(sata.reset())
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yield(sata.reset())
|
yield(sata.wait_for_idle())
|
yield(sata.wait_for_idle())
|
|
|
length = 400
|
length = 400
|
address = 0x00
|
address = 0x00
|
|
|
dut.write_count = length
|
|
dut.write_enable = 1
|
|
dut.u2h_write_enable = 1
|
dut.u2h_write_enable = 1
|
dut.u2h_write_count = length
|
yield(sata.wait_clocks(800))
|
#dut.h2u_read_enable = 1
|
|
dut.sector_address = address
|
#dut.write_count = length
|
#What does this do?
|
#dut.write_enable = 1
|
|
#dut.u2h_write_enable = 1
|
|
#dut.u2h_write_count = length
|
|
##dut.h2u_read_enable = 1
|
|
#dut.sector_address = address
|
|
##What does this do?
|
|
yield(sata.write_to_hard_drive(length, address))
|
|
|
dut.sector_count = 0
|
dut.sector_count = 0
|
dut.write_data_en = 1
|
dut.write_data_en = 1
|
yield(sata.wait_clocks(1))
|
yield(sata.wait_clocks(1))
|
dut.write_data_en = 0
|
dut.write_data_en = 0
|
yield(sata.wait_clocks(200))
|
yield(sata.wait_clocks(200))
|
dut.hold = 1
|
dut.hold = 1
|
yield(sata.wait_clocks(200))
|
yield(sata.wait_clocks(200))
|
dut.hold = 0
|
dut.hold = 0
|
yield(sata.wait_clocks(400))
|
yield(sata.wait_clocks(200))
|
dut.hold = 1
|
dut.hold = 1
|
yield(sata.wait_clocks(300))
|
yield(sata.wait_clocks(300))
|
dut.hold = 0
|
dut.hold = 0
|
yield(sata.wait_for_idle())
|
yield(sata.wait_for_idle())
|
|
|
dut.write_enable = 0
|
dut.write_enable = 0
|
dut.write_count = 0
|
dut.write_count = 0
|
yield(sata.wait_clocks(100))
|
yield(sata.wait_clocks(2000))
|
#dut.h2u_read_enable = 0
|
#dut.h2u_read_enable = 0
|
dut.log.info("Wrote %d piece of data to SATA" % length)
|
dut.log.info("Wrote %d piece of data to SATA" % length)
|
|
|
@cocotb.test(skip = True)
|
@cocotb.test(skip = False)
|
def long_write_with_hard_back_preassure_test(dut):
|
def long_write_with_hard_back_preassure_test(dut):
|
"""
|
"""
|
Description:
|
Description:
|
Perform a long write to the hard drive and simulate difficult
|
Perform a long write to the hard drive and simulate difficult
|
stall condition
|
stall condition
|
| Line 190... |
Line 198... |
address = 0x00
|
address = 0x00
|
|
|
dut.write_count = length
|
dut.write_count = length
|
dut.write_enable = 1
|
dut.write_enable = 1
|
dut.u2h_write_enable = 1
|
dut.u2h_write_enable = 1
|
dut.u2h_write_count = length
|
yield(sata.wait_clocks(1000))
|
|
#dut.u2h_write_count = length
|
#dut.h2u_read_enable = 1
|
#dut.h2u_read_enable = 1
|
dut.sector_address = address
|
dut.sector_address = address
|
#What does this do?
|
#What does this do?
|
dut.sector_count = 0
|
dut.sector_count = 0
|
dut.write_data_en = 1
|
#dut.write_data_en = 1
|
yield(sata.wait_clocks(1))
|
yield(sata.write_to_hard_drive(length, address))
|
dut.write_data_en = 0
|
|
yield(sata.wait_clocks(2500))
|
yield(sata.wait_clocks(2500))
|
dut.hold = 1
|
dut.hold = 1
|
yield(sata.wait_clocks(1))
|
yield(sata.wait_clocks(1))
|
dut.hold = 0
|
dut.hold = 0
|
yield(sata.wait_clocks(400))
|
yield(sata.wait_clocks(394))
|
dut.hold = 1
|
dut.hold = 1
|
yield(sata.wait_clocks(10))
|
yield(sata.wait_clocks(9))
|
dut.hold = 0
|
dut.hold = 0
|
yield(sata.wait_clocks(400))
|
yield(sata.wait_clocks(400))
|
dut.hold = 1
|
dut.hold = 1
|
yield(sata.wait_clocks(20))
|
yield(sata.wait_clocks(20))
|
dut.hold = 0
|
dut.hold = 0
|
| Line 223... |
Line 231... |
dut.write_count = 0
|
dut.write_count = 0
|
yield(sata.wait_clocks(100))
|
yield(sata.wait_clocks(100))
|
#dut.h2u_read_enable = 0
|
#dut.h2u_read_enable = 0
|
dut.log.info("Wrote %d piece of data to SATA" % length)
|
dut.log.info("Wrote %d piece of data to SATA" % length)
|
|
|
@cocotb.test(skip = False)
|
@cocotb.test(skip = True)
|
def long_write_long_read_back_preassure_test(dut):
|
def long_write_long_read_back_preassure_test(dut):
|
"""
|
"""
|
Description:
|
Description:
|
Perform a long write to the hard drive and simulate difficult
|
Perform a long write to the hard drive and simulate difficult
|
stall condition, then start a new long read transaction
|
stall condition, then start a new long read transaction
|
