def short_read_test(dut):
"""
Description:
Perform a single read from the SATA stack
Test ID: 2
Expected Result:
-Address should be seen on the fake hard drive side
-Data should be read out of the hard drive
"""
dut.test_id = 2
sata = SataController(dut, CLK_PERIOD)
yield(sata.reset())
yield(sata.wait_for_idle())
yield(sata.read_from_hard_drive(10, 0x00))
yield(sata.wait_clocks(10))
yield(sata.wait_for_idle())
yield(sata.wait_clocks(200))
def short_read_test(dut):
"""
Description:
Perform a single read from the SATA stack
Test ID: 2
Expected Result:
-Address should be seen on the fake hard drive side
-Data should be read out of the hard drive
"""
dut.test_id = 2
sata = SataController(dut, CLK_PERIOD)
yield (sata.reset())
yield (sata.wait_for_idle())
yield (sata.read_from_hard_drive(10, 0x00))
yield (sata.wait_clocks(10))
yield (sata.wait_for_idle())
yield (sata.wait_clocks(200))
def long_read_test(dut):
"""
Description:
Perform a long read from the hard drive
Test ID: 4
Expected Result:
-Address should be seen on the fake hard drive side
-Data should be written in to the hard drive side
-Data should be read out of the stack side
-The length of data that is read should be the same as the
data entered into the hard drive
"""
dut.test_id = 4
sata = SataController(dut, CLK_PERIOD)
yield(sata.reset())
yield(sata.wait_for_idle())
yield(sata.read_from_hard_drive(0x900, 0x00))
yield(sata.wait_clocks(10))
yield(sata.wait_for_idle())
yield(sata.wait_clocks(100))
def long_read_test(dut):
"""
Description:
Perform a long read from the hard drive
Test ID: 4
Expected Result:
-Address should be seen on the fake hard drive side
-Data should be written in to the hard drive side
-Data should be read out of the stack side
-The length of data that is read should be the same as the
data entered into the hard drive
"""
dut.test_id = 4
sata = SataController(dut, CLK_PERIOD)
yield (sata.reset())
yield (sata.wait_for_idle())
yield (sata.read_from_hard_drive(0x900, 0x00))
yield (sata.wait_clocks(10))
yield (sata.wait_for_idle())
yield (sata.wait_clocks(100))
def long_write_long_read_back_preassure_test(dut):
"""
Description:
Perform a long write to the hard drive and simulate difficult
stall condition, then start a new long read transaction
Test ID: 8
Expected Result:
-Address should be seen on the fake hard drive side
-Data should be read out of the hard drive
-Length of data in should be equal to the length of data read
"""
dut.test_id = 8
sata = SataController(dut, CLK_PERIOD)
yield(sata.reset())
yield(sata.wait_for_idle())
length = 9000
address = 0x00
dut.write_count = length
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?
dut.sector_count = 0
dut.write_data_en = 1
yield(sata.wait_clocks(1))
dut.write_data_en = 0
yield(sata.wait_clocks(2500))
dut.hold = 1
yield(sata.wait_clocks(1))
dut.hold = 0
yield(sata.wait_clocks(400))
dut.hold = 1
yield(sata.wait_clocks(10))
dut.hold = 0
yield(sata.wait_clocks(400))
dut.hold = 1
yield(sata.wait_clocks(20))
dut.hold = 0
yield(sata.wait_clocks(400))
dut.hold = 1
yield(sata.wait_clocks(1))
dut.hold = 0
yield(sata.wait_for_idle())
dut.write_enable = 0
dut.write_count = 0
yield(sata.wait_clocks(100))
#dut.h2u_read_enable = 0
dut.log.info("Wrote %d piece of data to SATA" % length)
data_count = 0x900
yield(sata.read_from_hard_drive(data_count, 0x00))
yield(sata.wait_clocks(10))
yield(sata.wait_for_idle())
yield(sata.wait_clocks(100))
dut.log.info("Read %d words of data" % data_count)
data_count = 400
yield(sata.write_to_hard_drive(data_count, 0x00))
yield(sata.wait_clocks(200))
dut.log.info("Wrote %d piece of data to SATA" % data_count)
def long_write_long_read_back_preassure_test(dut):
"""
Description:
Perform a long write to the hard drive and simulate difficult
stall condition, then start a new long read transaction
Test ID: 8
Expected Result:
-Address should be seen on the fake hard drive side
-Data should be read out of the hard drive
-Length of data in should be equal to the length of data read
"""
dut.test_id = 8
sata = SataController(dut, CLK_PERIOD)
yield (sata.reset())
yield (sata.wait_for_idle())
length = 9000
address = 0x00
dut.write_count = length
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?
dut.sector_count = 0
dut.write_data_en = 1
yield (sata.wait_clocks(1))
dut.write_data_en = 0
yield (sata.wait_clocks(2500))
dut.hold = 1
yield (sata.wait_clocks(1))
dut.hold = 0
yield (sata.wait_clocks(400))
dut.hold = 1
yield (sata.wait_clocks(10))
dut.hold = 0
yield (sata.wait_clocks(400))
dut.hold = 1
yield (sata.wait_clocks(20))
dut.hold = 0
yield (sata.wait_clocks(400))
dut.hold = 1
yield (sata.wait_clocks(1))
dut.hold = 0
yield (sata.wait_for_idle())
dut.write_enable = 0
dut.write_count = 0
yield (sata.wait_clocks(100))
#dut.h2u_read_enable = 0
dut.log.info("Wrote %d piece of data to SATA" % length)
data_count = 0x900
yield (sata.read_from_hard_drive(data_count, 0x00))
yield (sata.wait_clocks(10))
yield (sata.wait_for_idle())
yield (sata.wait_clocks(100))
dut.log.info("Read %d words of data" % data_count)
data_count = 400
yield (sata.write_to_hard_drive(data_count, 0x00))
yield (sata.wait_clocks(200))
dut.log.info("Wrote %d piece of data to SATA" % data_count)
