From: Florent Kermarrec Date: Fri, 16 Jan 2015 21:49:34 +0000 (+0100) Subject: add support of identify device command X-Git-Tag: 24jan2021_ls180~2572^2~52 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6f2c7a236c99f754e30f22bcf45f30d293c6c947;p=litex.git add support of identify device command --- diff --git a/Makefile b/Makefile index 8310d4cc..deb3bd82 100644 --- a/Makefile +++ b/Makefile @@ -1,5 +1,5 @@ MSCDIR = ../misoc -CURDIR = ../sata-controller +CURDIR = ../lite-sata PYTHON = python3 TOOLCHAIN = vivado PLATFORM = kc705 diff --git a/README b/README index 44b65524..215829a7 100644 --- a/README +++ b/README @@ -1,4 +1,3 @@ --------------------------------------------------------------------------------- __ _ __ _______ _________ / / (_) /____ / __/ _ /_ __/ _ | / /__/ / __/ -_)\ \/ __ |/ / / __ | @@ -7,8 +6,7 @@ Copyright 2014-2015 / Florent Kermarrec / florent@enjoy-digital.fr A lite open-source SATA1/2/3 controller - developed in partnership with M-Labs Ltd / HKU --------------------------------------------------------------------------------- + developed in partnership with M-Labs Ltd & HKU [> Getting started ------------------ @@ -46,12 +44,15 @@ - link_tb - command_tb - bist_tb - hdd.py is a HDD model with implementing all SATA layers. + hdd.py is a HDD model implementing all SATA layers. To run a simulation, move to the simulation directory and run: make simulation_name [> Tests : A synthetisable BIST is provided. It can be controled with ./test/bist.py + Using Miscope and the provided example ./test/test_link.py you are able to + visualize every event of the design and even inject your data in the HDD + model! [> Contact E-mail: florent@enjoy-digital.fr diff --git a/lib/sata/bist.py b/lib/sata/bist.py index 9f0707c4..4dfba893 100644 --- a/lib/sata/bist.py +++ b/lib/sata/bist.py @@ -137,7 +137,7 @@ class SATABISTChecker(Module): ) ) -class SATABISTControl(Module, AutoCSR): +class SATABISTUnitControl(Module, AutoCSR): def __init__(self, bist_unit): self._start = CSR() self._sector = CSRStorage(48) @@ -164,13 +164,82 @@ class SATABISTControl(Module, AutoCSR): self.cycles_counter.reset.eq(bist_unit.start), self.cycles_counter.ce.eq(~bist_unit.done) ] + +class SATABISTIdentify(Module): + def __init__(self, sata_master_port): + self.start = Signal() + self.done = Signal() + + self.fifo = fifo = SyncFIFO([("data", 32)], 512, buffered=True) + self.source = self.fifo.source + + ### + + source, sink = sata_master_port.source, sata_master_port.sink + + self.fsm = fsm = FSM(reset_state="IDLE") + fsm.act("IDLE", + self.done.eq(1), + If(self.start, + NextState("SEND_CMD") + ) + ) + self.comb += [ + source.sop.eq(1), + source.eop.eq(1), + source.identify.eq(1), + ] + fsm.act("SEND_CMD", + source.stb.eq(1), + If(source.stb & source.ack, + NextState("WAIT_ACK") + ) + ) + fsm.act("WAIT_ACK", + If(sink.stb & sink.identify, + NextState("RECEIVE_DATA") + ) + ) + self.comb += fifo.sink.data.eq(sink.data) + fsm.act("RECEIVE_DATA", + sink.ack.eq(fifo.sink.ack), + If(sink.stb, + fifo.sink.stb.eq(1), + If(sink.eop, + NextState("IDLE") + ) + ) + ) + +class SATABISTIdentifyControl(Module, AutoCSR): + def __init__(self, bist_identify): + self._start = CSR() + self._done = CSRStatus() + self._source_stb = CSRStatus() + self._source_ack = CSR() + self._source_data = CSRStatus(32) + + ### + self.bist_identify = bist_identify + self.comb += [ + bist_identify.start.eq(self._start.r & self._start.re), + self._done.status.eq(bist_identify.done), + + self._source_stb.status.eq(bist_identify.source.stb), + self._source_data.status.eq(bist_identify.source.data), + bist_identify.source.ack.eq(self._source_ack.r & self._source_ack.re) + ] + class SATABIST(Module, AutoCSR): def __init__(self, sata_master_ports, with_control=False): generator = SATABISTGenerator(sata_master_ports[0]) checker = SATABISTChecker(sata_master_ports[1]) + identify = SATABISTIdentify(sata_master_ports[2]) if with_control: - self.generator = SATABISTControl(generator) - self.checker = SATABISTControl(checker) + self.generator = SATABISTUnitControl(generator) + self.checker = SATABISTUnitControl(checker) + self.identify = SATABISTIdentifyControl(identify) else: self.generator = generator self.checker = checker + self.identify = identify diff --git a/lib/sata/command/__init__.py b/lib/sata/command/__init__.py index 8b2ce5b8..810d235f 100644 --- a/lib/sata/command/__init__.py +++ b/lib/sata/command/__init__.py @@ -3,6 +3,7 @@ from lib.sata.common import * tx_to_rx = [ ("write", 1), ("read", 1), + ("identify", 1), ("count", 16) ] @@ -39,6 +40,8 @@ class SATACommandTX(Module): NextState("SEND_WRITE_DMA_CMD") ).Elif(sink.read, NextState("SEND_READ_DMA_CMD") + ).Elif(sink.identify, + NextState("SEND_IDENTIFY_CMD") ).Else( sink.ack.eq(1) ) @@ -92,11 +95,24 @@ class SATACommandTX(Module): NextState("IDLE") ) ) + fsm.act("SEND_IDENTIFY_CMD", + transport.sink.stb.eq(sink.stb), + transport.sink.sop.eq(1), + transport.sink.eop.eq(1), + transport.sink.type.eq(fis_types["REG_H2D"]), + transport.sink.c.eq(1), + transport.sink.command.eq(regs["IDENTIFY_DEVICE"]), + sink.ack.eq(transport.sink.ack), + If(sink.stb & sink.ack, + NextState("IDLE") + ) + ) self.comb += [ If(sink.stb, to_rx.write.eq(sink.write), to_rx.read.eq(sink.read), + to_rx.identify.eq(sink.identify), to_rx.count.eq(sink.count) ) ] @@ -117,6 +133,7 @@ class SATACommandRX(Module): def test_type(name): return transport.source.type == fis_types[name] + identify = Signal() dma_activate = Signal() read_ndwords = Signal(max=sectors2dwords(2**16)) self.dwords_counter = dwords_counter = Counter(max=sectors2dwords(2**16)) @@ -135,9 +152,15 @@ class SATACommandRX(Module): If(from_tx.write, NextState("WAIT_WRITE_ACTIVATE_OR_REG_D2H") ).Elif(from_tx.read, - NextState("WAIT_READ_DATA_OR_REG_D2H") + NextState("WAIT_READ_DATA_OR_REG_D2H"), + ).Elif(from_tx.identify, + NextState("WAIT_PIO_SETUP_D2H"), ) ) + self.sync += \ + If(fsm.ongoing("IDLE"), + identify.eq(from_tx.identify) + ) fsm.act("WAIT_WRITE_ACTIVATE_OR_REG_D2H", transport.source.ack.eq(1), If(transport.source.stb, @@ -171,6 +194,23 @@ class SATACommandRX(Module): ) ) ) + fsm.act("WAIT_PIO_SETUP_D2H", + transport.source.ack.eq(1), + If(transport.source.stb, + transport.source.ack.eq(0), + If(test_type("PIO_SETUP_D2H"), + NextState("PRESENT_PIO_SETUP_D2H") + ) + ) + ) + fsm.act("PRESENT_PIO_SETUP_D2H", + transport.source.ack.eq(1), + # XXX : Check error/ status + If(transport.source.stb & transport.source.eop, + NextState("WAIT_READ_DATA_OR_REG_D2H") + ) + ) + self.comb += [ data_buffer.sink.sop.eq(transport.source.sop), data_buffer.sink.eop.eq(transport.source.eop), @@ -182,7 +222,7 @@ class SATACommandRX(Module): If(data_buffer.sink.stb & data_buffer.sink.ack, self.dwords_counter.ce.eq(~read_done), If(data_buffer.sink.eop, - If(read_done, + If(read_done & ~identify, NextState("WAIT_READ_DATA_OR_REG_D2H") ).Else( NextState("PRESENT_READ_RESPONSE") @@ -199,15 +239,16 @@ class SATACommandRX(Module): ) fsm.act("PRESENT_READ_RESPONSE", cmd_buffer.sink.stb.eq(1), - cmd_buffer.sink.read.eq(1), - cmd_buffer.sink.last.eq(read_done), + cmd_buffer.sink.read.eq(~identify), + cmd_buffer.sink.identify.eq(identify), + cmd_buffer.sink.last.eq(read_done | identify), cmd_buffer.sink.success.eq(~read_error), cmd_buffer.sink.failed.eq(read_error), If(cmd_buffer.sink.stb & cmd_buffer.sink.ack, If(cmd_buffer.sink.failed, data_buffer.reset.eq(1) ), - If(read_done, + If(read_done | identify, NextState("IDLE") ).Else( NextState("WAIT_READ_DATA_OR_REG_D2H") @@ -218,7 +259,7 @@ class SATACommandRX(Module): self.out_fsm = out_fsm = FSM(reset_state="IDLE") out_fsm.act("IDLE", If(cmd_buffer.source.stb, - If(cmd_buffer.source.read & cmd_buffer.source.success, + If((cmd_buffer.source.read | cmd_buffer.source.identify) & cmd_buffer.source.success, NextState("PRESENT_RESPONSE_WITH_DATA"), ).Else( NextState("PRESENT_RESPONSE_WITHOUT_DATA"), @@ -229,9 +270,10 @@ class SATACommandRX(Module): self.comb += [ source.write.eq(cmd_buffer.source.write), source.read.eq(cmd_buffer.source.read), + source.identify.eq(cmd_buffer.source.identify), source.last.eq(cmd_buffer.source.last), source.success.eq(cmd_buffer.source.success), - source.failed.eq(cmd_buffer.source.success), + source.failed.eq(cmd_buffer.source.failed), source.data.eq(data_buffer.source.data) ] diff --git a/lib/sata/common.py b/lib/sata/common.py index 2464c0de..bce3b572 100644 --- a/lib/sata/common.py +++ b/lib/sata/common.py @@ -60,6 +60,7 @@ fis_types = { "REG_H2D": 0x27, "REG_D2H": 0x34, "DMA_ACTIVATE_D2H": 0x39, + "PIO_SETUP_D2H": 0x5F, "DATA": 0x46 } @@ -110,6 +111,24 @@ fis_dma_activate_d2h_layout = { "pm_port": FISField(0, 8, 4) } +fis_pio_setup_d2h_cmd_len = 5 +fis_pio_setup_d2h_layout = { + "type": FISField(0, 0, 8), + "pm_port": FISField(0, 8, 4), + "d": FISField(0, 13, 1), + "i": FISField(0, 14, 1), + "status": FISField(0, 16, 8), + "error": FISField(0, 24, 8), + + "lba_lsb": FISField(1, 0, 24), + + "lba_msb": FISField(2, 0, 24), + + "count": FISField(3, 0, 16), + + "transfer_count": FISField(4, 0, 16), +} + fis_data_cmd_len = 1 fis_data_layout = { "type": FISField(0, 0, 8) @@ -135,12 +154,15 @@ def transport_rx_description(dw): layout = [ ("type", 8), ("pm_port", 4), + ("r", 1), + ("d", 1), ("i", 1), ("status", 8), ("error", 8), ("lba", 48), ("device", 8), ("count", 16), + ("transfer_count", 16), ("data", dw), ("error", 1) ] @@ -149,13 +171,15 @@ def transport_rx_description(dw): # Command Layer regs = { "WRITE_DMA_EXT" : 0x35, - "READ_DMA_EXT" : 0x25 + "READ_DMA_EXT" : 0x25, + "IDENTIFY_DEVICE" : 0xEC } def command_tx_description(dw): layout = [ ("write", 1), ("read", 1), + ("identify", 1), ("sector", 48), ("count", 16), ("data", dw) @@ -166,6 +190,7 @@ def command_rx_description(dw): layout = [ ("write", 1), ("read", 1), + ("identify", 1), ("last", 1), ("success", 1), ("failed", 1), @@ -177,9 +202,10 @@ def command_rx_cmd_description(dw): layout = [ ("write", 1), ("read", 1), + ("identify", 1), ("last", 1), ("success", 1), - ("failed", 1), + ("failed", 1) ] return EndpointDescription(layout, packetized=False) diff --git a/lib/sata/transport/__init__.py b/lib/sata/transport/__init__.py index 6ef14e68..6fcb3037 100644 --- a/lib/sata/transport/__init__.py +++ b/lib/sata/transport/__init__.py @@ -143,6 +143,8 @@ class SATATransportRX(Module): NextState("RECEIVE_REG_D2H_CMD") ).Elif(test_type("DMA_ACTIVATE_D2H"), NextState("RECEIVE_DMA_ACTIVATE_D2H_CMD") + ).Elif(test_type("PIO_SETUP_D2H"), + NextState("RECEIVE_PIO_SETUP_D2H_CMD") ).Elif(test_type("DATA"), NextState("RECEIVE_DATA_CMD"), ).Else( @@ -186,6 +188,23 @@ class SATATransportRX(Module): NextState("IDLE") ) ) + fsm.act("RECEIVE_PIO_SETUP_D2H_CMD", + cmd_len.eq(fis_pio_setup_d2h_cmd_len-1), + cmd_receive.eq(1), + link.source.ack.eq(1), + If(cmd_done, + NextState("PRESENT_PIO_SETUP_D2H_CMD") + ) + ) + fsm.act("PRESENT_PIO_SETUP_D2H_CMD", + source.stb.eq(1), + source.sop.eq(1), + source.eop.eq(1), + _decode_cmd(encoded_cmd, fis_pio_setup_d2h_layout, source), + If(source.stb & source.ack, + NextState("IDLE") + ) + ) fsm.act("RECEIVE_DATA_CMD", cmd_len.eq(fis_data_cmd_len-1), cmd_receive.eq(1), diff --git a/targets/bist.py b/targets/bist.py index e1b562fd..d0ee9b6b 100644 --- a/targets/bist.py +++ b/targets/bist.py @@ -14,7 +14,7 @@ from misoclib import identifier from lib.sata.common import * from lib.sata.phy import SATAPHY from lib.sata import SATACON -from lib.sata.bist import SATABIST, SATABISTControl +from lib.sata.bist import SATABIST class _CRG(Module): def __init__(self, platform): @@ -149,7 +149,7 @@ class BISTSoC(GenSoC, AutoCSR): self.sata_con = SATACON(self.sata_phy) # SATA BIST generator and checker - self.sata_bist = SATABIST(self.sata_con.crossbar.get_ports(2), with_control=True) + self.sata_bist = SATABIST(self.sata_con.crossbar.get_ports(3), with_control=True) # Status Leds self.leds = BISTLeds(platform, self.sata_phy) @@ -162,6 +162,13 @@ class BISTSoCDevel(BISTSoC, AutoCSR): def __init__(self, platform, export_mila=False): BISTSoC.__init__(self, platform, export_mila) + self.sata_con_link_rx_fsm_state = Signal(4) + self.sata_con_link_tx_fsm_state = Signal(4) + self.sata_con_transport_rx_fsm_state = Signal(4) + self.sata_con_transport_tx_fsm_state = Signal(4) + self.sata_con_command_rx_fsm_state = Signal(4) + self.sata_con_command_tx_fsm_state = Signal(4) + debug = ( self.sata_phy.ctrl.ready, @@ -179,6 +186,7 @@ class BISTSoCDevel(BISTSoC, AutoCSR): self.sata_con.command.sink.ack, self.sata_con.command.sink.write, self.sata_con.command.sink.read, + self.sata_con.command.sink.identify, self.sata_con.command.source.stb, self.sata_con.command.source.sop, @@ -186,9 +194,17 @@ class BISTSoCDevel(BISTSoC, AutoCSR): self.sata_con.command.source.ack, self.sata_con.command.source.write, self.sata_con.command.source.read, + self.sata_con.command.source.identify, self.sata_con.command.source.success, self.sata_con.command.source.failed, - self.sata_con.command.source.data + self.sata_con.command.source.data, + + self.sata_con_link_rx_fsm_state, + self.sata_con_link_tx_fsm_state, + self.sata_con_transport_rx_fsm_state, + self.sata_con_transport_tx_fsm_state, + self.sata_con_command_rx_fsm_state, + self.sata_con_command_tx_fsm_state, ) self.mila = MiLa(depth=2048, dat=Cat(*debug)) @@ -196,6 +212,16 @@ class BISTSoCDevel(BISTSoC, AutoCSR): if export_mila: mila_filename = os.path.join(platform.soc_ext_path, "test", "mila.csv") self.mila.export(self, debug, mila_filename) + def do_finalize(self): + BISTSoC.do_finalize(self) + self.comb += [ + self.sata_con_link_rx_fsm_state.eq(self.sata_con.link.rx.fsm.state), + self.sata_con_link_tx_fsm_state.eq(self.sata_con.link.tx.fsm.state), + self.sata_con_transport_rx_fsm_state.eq(self.sata_con.transport.rx.fsm.state), + self.sata_con_transport_tx_fsm_state.eq(self.sata_con.transport.tx.fsm.state), + self.sata_con_command_rx_fsm_state.eq(self.sata_con.command.rx.fsm.state), + self.sata_con_command_tx_fsm_state.eq(self.sata_con.command.tx.fsm.state) + ] -#default_subtarget = BISTSoC -default_subtarget = BISTSoCDevel +default_subtarget = BISTSoC +#default_subtarget = BISTSoCDevel diff --git a/test/bist.py b/test/bist.py index 40b191ff..c0c577fa 100644 --- a/test/bist.py +++ b/test/bist.py @@ -4,7 +4,7 @@ from config import * logical_sector_size = 512 -class SATABISTDriver: +class SATABISTUnitDriver: def __init__(self, regs, name): self.regs = regs self.name = name @@ -25,13 +25,46 @@ class SATABISTDriver: errors = self.errors.read() return (speed, errors) -class SATABISTGeneratorDriver(SATABISTDriver): +class SATABISTGeneratorDriver(SATABISTUnitDriver): def __init__(self, regs, name): - SATABISTDriver.__init__(self, regs, name + "_generator") + SATABISTUnitDriver.__init__(self, regs, name + "_generator") -class SATABISTCheckerDriver(SATABISTDriver): +class SATABISTCheckerDriver(SATABISTUnitDriver): def __init__(self, regs, name): - SATABISTDriver.__init__(self, regs, name + "_checker") + SATABISTUnitDriver.__init__(self, regs, name + "_checker") + +class SATABISTIdentifyDriver: + def __init__(self, regs, name): + self.regs = regs + self.name = name + for s in ["start", "done", "source_stb", "source_ack", "source_data"]: + setattr(self, s, getattr(regs, name + "_identify_"+ s)) + self.data = [] + + def read_fifo(self): + self.data = [] + while self.source_stb.read(): + self.data.append(self.source_data.read()) + self.source_ack.write(1) + + def run(self): + self.read_fifo() # flush the fifo before we start + self.start.write(1) + while (self.done.read() == 0): + pass + self.read_fifo() + self.decode() + + def decode(self): + self.serial_number = "" + for i, dword in enumerate(self.data[10:20]): + s = dword.to_bytes(4, byteorder='big').decode("utf-8") + self.serial_number += s[2:] + s[:2] + + def __repr__(self): + r = "Serial Number: " + self.serial_number + # XXX: enhance decode function + return r KB = 1024 MB = 1024*KB @@ -55,9 +88,13 @@ if __name__ == "__main__": args = _get_args() wb.open() ### + identify = SATABISTIdentifyDriver(wb.regs, "sata_bist") generator = SATABISTGeneratorDriver(wb.regs, "sata_bist") checker = SATABISTCheckerDriver(wb.regs, "sata_bist") + identify.run() + print(identify) + sector = 0 count = int(args.transfer_size)*MB//logical_sector_size length = int(args.total_length)*MB diff --git a/test/test_link.py b/test/test_link.py index 0c10f48d..3849dc0a 100644 --- a/test/test_link.py +++ b/test/test_link.py @@ -5,6 +5,7 @@ from bist import * from miscope.host.drivers import MiLaDriver mila = MiLaDriver(wb.regs, "mila") +identify = SATABISTIdentifyDriver(wb.regs, "sata_bist") generator = SATABISTGeneratorDriver(wb.regs, "sata_bist") checker = SATABISTCheckerDriver(wb.regs, "sata_bist") wb.open() @@ -32,6 +33,13 @@ conditions["rd_data"] = { "bistsocdevel_sata_con_command_source_source_stb" : 1, "bistsocdevel_sata_con_command_source_source_payload_read" : 1, } +conditions["id_cmd"] = { + "bistsocdevel_sata_con_command_sink_stb" : 1, + "bistsocdevel_sata_con_command_sink_payload_identify" : 1, +} +conditions["id_pio_setup"] = { + "bistsocdevel_sata_phy_source_source_payload_data" : primitives["X_RDY"], +} mila.prog_term(port=0, cond=conditions[sys.argv[1]]) mila.prog_sum("term") @@ -39,6 +47,7 @@ mila.prog_sum("term") # Trigger / wait / receive mila.trigger(offset=512, length=2000) +identify.run() generator.run(0, 2, 0) checker.run(0, 2, 0) mila.wait_done()