from migen.fhdl.std import * from migen.bank.description import * from migen.bank import wbgen from mibuild.generic_platform import * from misoclib.com import gpio from misoclib.soc import mem_decoder from targets.kc705 import BaseSoC from artiq.gateware import amp, rtio, ad9858 _tester_io = [ ("pmt", 0, Pins("LPC:LA20_N"), IOStandard("LVTTL")), ("pmt", 1, Pins("LPC:LA24_P"), IOStandard("LVTTL")), ("ttl", 0, Pins("LPC:LA21_P"), IOStandard("LVTTL")), ("ttl", 1, Pins("LPC:LA25_P"), IOStandard("LVTTL")), ("ttl", 2, Pins("LPC:LA21_N"), IOStandard("LVTTL")), ("ttl", 3, Pins("LPC:LA25_N"), IOStandard("LVTTL")), ("ttl", 4, Pins("LPC:LA22_P"), IOStandard("LVTTL")), ("ttl", 5, Pins("LPC:LA26_P"), IOStandard("LVTTL")), ("ttl", 6, Pins("LPC:LA22_N"), IOStandard("LVTTL")), ("ttl", 7, Pins("LPC:LA26_N"), IOStandard("LVTTL")), ("ttl", 8, Pins("LPC:LA23_P"), IOStandard("LVTTL")), ("ttl", 9, Pins("LPC:LA27_P"), IOStandard("LVTTL")), ("ttl", 10, Pins("LPC:LA23_N"), IOStandard("LVTTL")), ("ttl", 11, Pins("LPC:LA27_N"), IOStandard("LVTTL")), ("ttl", 12, Pins("LPC:LA00_CC_P"), IOStandard("LVTTL")), ("ttl", 13, Pins("LPC:LA10_P"), IOStandard("LVTTL")), ("ttl", 14, Pins("LPC:LA00_CC_N"), IOStandard("LVTTL")), ("ttl", 15, Pins("LPC:LA10_N"), IOStandard("LVTTL")), ("ttl_l_tx_en", 0, Pins("LPC:LA11_P"), IOStandard("LVTTL")), ("ttl_h_tx_en", 0, Pins("LPC:LA01_CC_P"), IOStandard("LVTTL")), ("dds", 0, Subsignal("a", Pins("LPC:LA04_N LPC:LA14_N LPC:LA05_P LPC:LA15_P " "LPC:LA05_N LPC:LA15_N")), Subsignal("d", Pins("LPC:LA06_P LPC:LA16_P LPC:LA06_N LPC:LA16_N " "LPC:LA07_P LPC:LA17_CC_P LPC:LA07_N " "LPC:LA17_CC_N")), Subsignal("sel", Pins("LPC:LA12_N LPC:LA03_P LPC:LA13_P LPC:LA03_N " "LPC:LA13_N")), Subsignal("p", Pins("LPC:LA11_N LPC:LA02_P")), Subsignal("fud_n", Pins("LPC:LA14_P")), Subsignal("wr_n", Pins("LPC:LA04_P")), Subsignal("rd_n", Pins("LPC:LA02_N")), Subsignal("rst_n", Pins("LPC:LA12_P")), IOStandard("LVTTL")), ] class _RTIOCRG(Module, AutoCSR): def __init__(self, platform, rtio_internal_clk): self._clock_sel = CSRStorage() self.clock_domains.cd_rtio = ClockDomain() rtio_external_clk = Signal() user_sma_clock = platform.request("user_sma_clock") platform.add_period_constraint(user_sma_clock.p, 8.0) self.specials += Instance("IBUFDS", i_I=user_sma_clock.p, i_IB=user_sma_clock.n, o_O=rtio_external_clk) self.specials += Instance("BUFGMUX", i_I0=rtio_internal_clk, i_I1=rtio_external_clk, i_S=self._clock_sel.storage, o_O=self.cd_rtio.clk) class _ARTIQSoCPeripherals(BaseSoC): csr_map = { "rtio": None, # mapped on Wishbone instead "rtiocrg": 13 } csr_map.update(BaseSoC.csr_map) def __init__(self, platform, cpu_type="or1k", **kwargs): BaseSoC.__init__(self, platform, cpu_type=cpu_type, **kwargs) platform.add_extension(_tester_io) self.submodules.leds = gpio.GPIOOut(Cat( platform.request("user_led", 0), platform.request("user_led", 1))) fud = Signal() self.comb += [ platform.request("ttl_l_tx_en").eq(1), platform.request("ttl_h_tx_en").eq(1) ] rtio_ins = [platform.request("pmt") for i in range(2)] rtio_outs = [platform.request("ttl", i) for i in range(6)] + [fud] self.submodules.rtiocrg = _RTIOCRG(platform, self.crg.pll_sys) self.submodules.rtiophy = rtio.phy.SimplePHY( rtio_ins + rtio_outs, output_only_pads=set(rtio_outs)) self.submodules.rtio = rtio.RTIO(self.rtiophy, clk_freq=125000000, ififo_depth=512) dds_pads = platform.request("dds") self.submodules.dds = ad9858.AD9858(dds_pads) self.comb += dds_pads.fud_n.eq(~fud) class ARTIQSoCBasic(_ARTIQSoCPeripherals): def __init__(self, *args, **kwargs): _ARTIQSoCPeripherals.__init__(self, *args, **kwargs) rtio_csrs = self.rtio.get_csrs() self.submodules.rtiowb = wbgen.Bank(rtio_csrs) self.add_wb_slave(mem_decoder(0xa0000000), self.rtiowb.bus) self.add_csr_region("rtio", 0xa0000000, 32, rtio_csrs) self.add_wb_slave(mem_decoder(0xb0000000), self.dds.bus) class ARTIQSoC(_ARTIQSoCPeripherals): csr_map = { "kernel_cpu": 14 } csr_map.update(_ARTIQSoCPeripherals.csr_map) def __init__(self, platform, *args, **kwargs): _ARTIQSoCPeripherals.__init__(self, platform, *args, **kwargs) self.submodules.kernel_cpu = amp.KernelCPU( platform, self.sdram.crossbar.get_master()) self.submodules.mailbox = amp.Mailbox() self.add_wb_slave(mem_decoder(0xd0000000), self.mailbox.i1) self.kernel_cpu.add_wb_slave(mem_decoder(0xd0000000), self.mailbox.i2) rtio_csrs = self.rtio.get_csrs() self.submodules.rtiowb = wbgen.Bank(rtio_csrs) self.kernel_cpu.add_wb_slave(mem_decoder(0xa0000000), self.rtiowb.bus) self.add_csr_region("rtio", 0xa0000000, 32, rtio_csrs) self.kernel_cpu.add_wb_slave(mem_decoder(0xb0000000), self.dds.bus) default_subtarget = ARTIQSoCBasic