From bd7244211a790927ed8e71a9a732d8286446c13e Mon Sep 17 00:00:00 2001 From: Jean THOMAS Date: Tue, 9 Jun 2020 11:50:41 +0200 Subject: [PATCH] Autopep8 on example code --- examples/customecpix5.py | 216 ++++++++++++++------------ examples/ecpix5.py | 325 ++++++++++++++++++++------------------- 2 files changed, 282 insertions(+), 259 deletions(-) diff --git a/examples/customecpix5.py b/examples/customecpix5.py index 63ddfd5..3588006 100644 --- a/examples/customecpix5.py +++ b/examples/customecpix5.py @@ -10,129 +10,146 @@ __all__ = ["ECPIX5Platform"] class ECPIX5Platform(LatticeECP5Platform): - device = "LFE5UM5G-85F" - package = "BG554" - speed = "8" + device = "LFE5UM5G-85F" + package = "BG554" + speed = "8" default_clk = "clk100" default_rst = "rst" - resources = [ + resources = [ Resource("rst", 0, PinsN("AB1", dir="i"), Attrs(IO_TYPE="LVCMOS33")), - Resource("clk100", 0, Pins("K23", dir="i"), Clock(100e6), Attrs(IO_TYPE="LVCMOS33")), - - RGBLEDResource(0, r="U21", g="W21", b="T24", attrs=Attrs(IO_TYPE="LVCMOS33")), - RGBLEDResource(1, r="T23", g="R21", b="T22", attrs=Attrs(IO_TYPE="LVCMOS33")), - RGBLEDResource(2, r="P21", g="R23", b="P22", attrs=Attrs(IO_TYPE="LVCMOS33")), - RGBLEDResource(3, r="K21", g="K24", b="M21", attrs=Attrs(IO_TYPE="LVCMOS33")), + Resource("clk100", 0, Pins("K23", dir="i"), + Clock(100e6), Attrs(IO_TYPE="LVCMOS33")), + + RGBLEDResource(0, r="U21", g="W21", b="T24", + attrs=Attrs(IO_TYPE="LVCMOS33")), + RGBLEDResource(1, r="T23", g="R21", b="T22", + attrs=Attrs(IO_TYPE="LVCMOS33")), + RGBLEDResource(2, r="P21", g="R23", b="P22", + attrs=Attrs(IO_TYPE="LVCMOS33")), + RGBLEDResource(3, r="K21", g="K24", b="M21", + attrs=Attrs(IO_TYPE="LVCMOS33")), UARTResource(0, - rx="R26", tx="R24", - attrs=Attrs(IO_TYPE="LVCMOS33", PULLMODE="UP") - ), + rx="R26", tx="R24", + attrs=Attrs(IO_TYPE="LVCMOS33", PULLMODE="UP") + ), *SPIFlashResources(0, - cs="AA2", clk="AE3", miso="AE2", mosi="AD2", wp="AF2", hold="AE1", - attrs=Attrs(IO_TYPE="LVCMOS33") - ), + cs="AA2", clk="AE3", miso="AE2", mosi="AD2", wp="AF2", hold="AE1", + attrs=Attrs(IO_TYPE="LVCMOS33") + ), Resource("eth_rgmii", 0, - Subsignal("rst", PinsN("C13", dir="o")), - Subsignal("mdio", Pins("A13", dir="io")), - Subsignal("mdc", Pins("C11", dir="o")), - Subsignal("tx_clk", Pins("A12", dir="o")), - Subsignal("tx_ctrl", Pins("C9", dir="o")), - Subsignal("tx_data", Pins("D8 C8 B8 A8", dir="o")), - Subsignal("rx_clk", Pins("E11", dir="i")), - Subsignal("rx_ctrl", Pins("A11", dir="i")), - Subsignal("rx_data", Pins("B11 A10 B10 A9", dir="i")), - Attrs(IO_TYPE="LVCMOS33") - ), - Resource("eth_int", 0, PinsN("B13", dir="i"), Attrs(IO_TYPE="LVCMOS33")), + Subsignal("rst", PinsN("C13", dir="o")), + Subsignal("mdio", Pins("A13", dir="io")), + Subsignal("mdc", Pins("C11", dir="o")), + Subsignal("tx_clk", Pins("A12", dir="o")), + Subsignal("tx_ctrl", Pins("C9", dir="o")), + Subsignal("tx_data", Pins("D8 C8 B8 A8", dir="o")), + Subsignal("rx_clk", Pins("E11", dir="i")), + Subsignal("rx_ctrl", Pins("A11", dir="i")), + Subsignal("rx_data", Pins("B11 A10 B10 A9", dir="i")), + Attrs(IO_TYPE="LVCMOS33") + ), + Resource("eth_int", 0, PinsN("B13", dir="i"), + Attrs(IO_TYPE="LVCMOS33")), *SDCardResources(0, - clk="P24", cmd="M24", dat0="N26", dat1="N25", dat2="N23", dat3="N21", cd="L22", - # TODO - # clk_fb="P25", cmd_dir="M23", dat0_dir="N24", dat123_dir="P26", - attrs=Attrs(IO_TYPE="LVCMOS33"), - ), + clk="P24", cmd="M24", dat0="N26", dat1="N25", dat2="N23", dat3="N21", cd="L22", + # TODO + # clk_fb="P25", cmd_dir="M23", dat0_dir="N24", dat123_dir="P26", + attrs=Attrs(IO_TYPE="LVCMOS33"), + ), # ERROR: cannot place differential IO at location PIOB # if we choose to use DiffPairs Resource("ddr3", 0, - Subsignal("clk", Pins("H3", dir="o")), - #Subsignal("clk", DiffPairs("H3", "J3", dir="o"), Attrs(IO_TYPE="SSTL135D_I")), - Subsignal("cke", Pins("P1", dir="o")), - Subsignal("we_n", Pins("R3", dir="o")), - Subsignal("ras_n", Pins("T3", dir="o")), - Subsignal("cas_n", Pins("P2", dir="o")), - Subsignal("a", Pins("T5 M3 L3 V6 K2 W6 K3 L1 H2 L2 N1 J1 M1 K1", dir="o")), - Subsignal("ba", Pins("U6 N3 N4", dir="o")), - #Subsignal("dqs", DiffPairs("V4 V1", "U5 U2", dir="io"), Attrs(IO_TYPE="SSTL135D_I")), - Subsignal("dqs", Pins("V4 V1", dir="io"), Attrs(IO_TYPE="SSTL135D_I", TERMINATION="OFF", DIFFRESISTOR="100")), - Subsignal("dq", Pins("T4 W4 R4 W5 R6 P6 P5 P4 R1 W3 T2 V3 U3 W1 T1 W2", dir="io")), - Subsignal("dm", Pins("J4 H5", dir="o")), - Subsignal("odt", Pins("P3", dir="o")), - Attrs(IO_TYPE="SSTL135_I") - ), + Subsignal("clk", Pins("H3", dir="o")), + #Subsignal("clk", DiffPairs("H3", "J3", dir="o"), Attrs(IO_TYPE="SSTL135D_I")), + Subsignal("cke", Pins("P1", dir="o")), + Subsignal("we_n", Pins("R3", dir="o")), + Subsignal("ras_n", Pins("T3", dir="o")), + Subsignal("cas_n", Pins("P2", dir="o")), + Subsignal("a", Pins( + "T5 M3 L3 V6 K2 W6 K3 L1 H2 L2 N1 J1 M1 K1", dir="o")), + Subsignal("ba", Pins("U6 N3 N4", dir="o")), + #Subsignal("dqs", DiffPairs("V4 V1", "U5 U2", dir="io"), Attrs(IO_TYPE="SSTL135D_I")), + Subsignal("dqs", Pins("V4 V1", dir="io"), Attrs( + IO_TYPE="SSTL135D_I", TERMINATION="OFF", DIFFRESISTOR="100")), + Subsignal("dq", Pins( + "T4 W4 R4 W5 R6 P6 P5 P4 R1 W3 T2 V3 U3 W1 T1 W2", dir="io")), + Subsignal("dm", Pins("J4 H5", dir="o")), + Subsignal("odt", Pins("P3", dir="o")), + Attrs(IO_TYPE="SSTL135_I") + ), Resource("hdmi", 0, - Subsignal("rst", PinsN("N6", dir="o")), - Subsignal("scl", Pins("C17", dir="io")), - Subsignal("sda", Pins("E17", dir="io")), - Subsignal("pclk", Pins("C1", dir="o")), - Subsignal("vsync", Pins("A4", dir="o")), - Subsignal("hsync", Pins("B4", dir="o")), - Subsignal("de", Pins("A3", dir="o")), - Subsignal("d", - Subsignal("b", Pins("AD25 AC26 AB24 AB25 B3 C3 D3 B1 C2 D2 D1 E3", dir="o")), - Subsignal("g", Pins("AA23 AA22 AA24 AA25 E1 F2 F1 D17 D16 E16 J6 H6", dir="o")), - Subsignal("r", Pins("AD26 AE25 AF25 AE26 E10 D11 D10 C10 D9 E8 H5 J4", dir="o")), - ), - Subsignal("mclk", Pins("E19", dir="o")), - Subsignal("sck", Pins("D6", dir="o")), - Subsignal("ws", Pins("C6", dir="o")), - Subsignal("i2s", Pins("A6 B6 A5 C5", dir="o")), - Subsignal("int", PinsN("C4", dir="i")), - Attrs(IO_TYPE="LVTTL33") - ), + Subsignal("rst", PinsN("N6", dir="o")), + Subsignal("scl", Pins("C17", dir="io")), + Subsignal("sda", Pins("E17", dir="io")), + Subsignal("pclk", Pins("C1", dir="o")), + Subsignal("vsync", Pins("A4", dir="o")), + Subsignal("hsync", Pins("B4", dir="o")), + Subsignal("de", Pins("A3", dir="o")), + Subsignal("d", + Subsignal( + "b", Pins("AD25 AC26 AB24 AB25 B3 C3 D3 B1 C2 D2 D1 E3", dir="o")), + Subsignal( + "g", Pins("AA23 AA22 AA24 AA25 E1 F2 F1 D17 D16 E16 J6 H6", dir="o")), + Subsignal( + "r", Pins("AD26 AE25 AF25 AE26 E10 D11 D10 C10 D9 E8 H5 J4", dir="o")), + ), + Subsignal("mclk", Pins("E19", dir="o")), + Subsignal("sck", Pins("D6", dir="o")), + Subsignal("ws", Pins("C6", dir="o")), + Subsignal("i2s", Pins("A6 B6 A5 C5", dir="o")), + Subsignal("int", PinsN("C4", dir="i")), + Attrs(IO_TYPE="LVTTL33") + ), Resource("sata", 0, - Subsignal("tx", DiffPairs("AD16", "AD17", dir="o")), - Subsignal("rx", DiffPairs("AF15", "AF16", dir="i")), - Attrs(IO_TYPE="LVDS") - ), + Subsignal("tx", DiffPairs("AD16", "AD17", dir="o")), + Subsignal("rx", DiffPairs("AF15", "AF16", dir="i")), + Attrs(IO_TYPE="LVDS") + ), Resource("ulpi", 0, - Subsignal("rst", Pins("E23", dir="o")), - Subsignal("clk", Pins("H24", dir="i")), - Subsignal("dir", Pins("F22", dir="i")), - Subsignal("nxt", Pins("F23", dir="i")), - Subsignal("stp", Pins("H23", dir="o")), - Subsignal("data", Pins("M26 L25 L26 K25 K26 J23 J26 H25", dir="io")), - Attrs(IO_TYPE="LVCMOS33") - ), + Subsignal("rst", Pins("E23", dir="o")), + Subsignal("clk", Pins("H24", dir="i")), + Subsignal("dir", Pins("F22", dir="i")), + Subsignal("nxt", Pins("F23", dir="i")), + Subsignal("stp", Pins("H23", dir="o")), + Subsignal("data", Pins( + "M26 L25 L26 K25 K26 J23 J26 H25", dir="io")), + Attrs(IO_TYPE="LVCMOS33") + ), Resource("usbc_cfg", 0, - Subsignal("scl", Pins("D24", dir="io")), - Subsignal("sda", Pins("C24", dir="io")), - Subsignal("dir", Pins("B23", dir="i")), - Subsignal("id", Pins("D23", dir="i")), - Subsignal("int", PinsN("B24", dir="i")), - Attrs(IO_TYPE="LVCMOS33") - ), + Subsignal("scl", Pins("D24", dir="io")), + Subsignal("sda", Pins("C24", dir="io")), + Subsignal("dir", Pins("B23", dir="i")), + Subsignal("id", Pins("D23", dir="i")), + Subsignal("int", PinsN("B24", dir="i")), + Attrs(IO_TYPE="LVCMOS33") + ), Resource("usbc_mux", 0, - Subsignal("en", Pins("C23", dir="oe")), - Subsignal("amsel", Pins("B26", dir="oe")), - Subsignal("pol", Pins("D26", dir="o")), - Subsignal("lna", DiffPairs( "AF9", "AF10", dir="i"), Attrs(IO_TYPE="LVCMOS18D")), - Subsignal("lnb", DiffPairs("AD10", "AD11", dir="o"), Attrs(IO_TYPE="LVCMOS18D")), - Subsignal("lnc", DiffPairs( "AD7", "AD8", dir="o"), Attrs(IO_TYPE="LVCMOS18D")), - Subsignal("lnd", DiffPairs( "AF6", "AF7", dir="i"), Attrs(IO_TYPE="LVCMOS18D")), - Attrs(IO_TYPE="LVCMOS33") - ), + Subsignal("en", Pins("C23", dir="oe")), + Subsignal("amsel", Pins("B26", dir="oe")), + Subsignal("pol", Pins("D26", dir="o")), + Subsignal("lna", DiffPairs("AF9", "AF10", dir="i"), + Attrs(IO_TYPE="LVCMOS18D")), + Subsignal("lnb", DiffPairs("AD10", "AD11", + dir="o"), Attrs(IO_TYPE="LVCMOS18D")), + Subsignal("lnc", DiffPairs("AD7", "AD8", dir="o"), + Attrs(IO_TYPE="LVCMOS18D")), + Subsignal("lnd", DiffPairs("AF6", "AF7", dir="i"), + Attrs(IO_TYPE="LVCMOS18D")), + Attrs(IO_TYPE="LVCMOS33") + ), ] - connectors = [ + connectors = [ Connector("pmod", 0, "T25 U25 U24 V24 - - T26 U26 V26 W26 - -"), Connector("pmod", 1, "U23 V23 U22 V21 - - W25 W24 W23 W22 - -"), Connector("pmod", 2, "J24 H22 E21 D18 - - K22 J21 H21 D22 - -"), @@ -164,9 +181,10 @@ class ECPIX5Platform(LatticeECP5Platform): with products.extract("{}-openocd.cfg".format(name), "{}.svf".format(name)) \ as (config_filename, vector_filename): subprocess.check_call([openocd, - "-f", config_filename, - "-c", "transport select jtag; init; svf -quiet {}; exit".format(vector_filename) - ]) + "-f", config_filename, + "-c", "transport select jtag; init; svf -quiet {}; exit".format( + vector_filename) + ]) # if __name__ == "__main__": diff --git a/examples/ecpix5.py b/examples/ecpix5.py index 6fe9ae9..43652d1 100644 --- a/examples/ecpix5.py +++ b/examples/ecpix5.py @@ -18,193 +18,198 @@ from gram.frontend.wishbone import gramWishbone from customecpix5 import ECPIX5Platform + class PLL(Elaboratable): - def __init__(self, clkin, clksel=Signal(shape=2, reset=2), clkout1=Signal(), clkout2=Signal(), clkout3=Signal(), clkout4=Signal(), lock=Signal(), CLKI_DIV=1, CLKFB_DIV=1, CLK1_DIV=3, CLK2_DIV=4, CLK3_DIV=5, CLK4_DIV=6): - self.clkin = clkin - self.clkout1 = clkout1 - self.clkout2 = clkout2 - self.clkout3 = clkout3 - self.clkout4 = clkout4 - self.clksel = clksel - self.lock = lock - self.CLKI_DIV = CLKI_DIV - self.CLKFB_DIV = CLKFB_DIV - self.CLKOP_DIV = CLK1_DIV - self.CLKOS_DIV = CLK2_DIV - self.CLKOS2_DIV = CLK3_DIV - self.CLKOS3_DIV = CLK4_DIV - self.ports = [ - self.clkin, - self.clkout1, - self.clkout2, - self.clkout3, - self.clkout4, - self.clksel, - self.lock, - ] - - def elaborate(self, platform): - clkfb = Signal() - pll = Instance("EHXPLLL", - p_PLLRST_ENA='DISABLED', - p_INTFB_WAKE='DISABLED', - p_STDBY_ENABLE='DISABLED', - p_CLKOP_FPHASE=0, - p_CLKOP_CPHASE=11, - p_OUTDIVIDER_MUXA='DIVA', - p_CLKOP_ENABLE='ENABLED', - p_CLKOP_DIV=self.CLKOP_DIV, #Max 948 MHz at OP=79 FB=1 I=1 F_in=12 MHz, Min 30 MHz (28 MHz locks sometimes, lock LED blinks) Hmm... /3*82/25 - p_CLKOS_DIV=self.CLKOS_DIV, - p_CLKOS2_DIV=self.CLKOS2_DIV, - p_CLKOS3_DIV=self.CLKOS3_DIV, - p_CLKFB_DIV=self.CLKFB_DIV, #25 - p_CLKI_DIV=self.CLKI_DIV, #6 - p_FEEDBK_PATH='USERCLOCK', - i_CLKI=self.clkin, - i_CLKFB=clkfb, - i_RST=0, - i_STDBY=0, - i_PHASESEL0=0, - i_PHASESEL1=0, - i_PHASEDIR=0, - i_PHASESTEP=0, - i_PLLWAKESYNC=0, - i_ENCLKOP=0, - i_ENCLKOS=0, - i_ENCLKOS2=0, - i_ENCLKOS3=0, - o_CLKOP=self.clkout1, - o_CLKOS=self.clkout2, - o_CLKOS2=self.clkout3, - o_CLKOS3=self.clkout4, - o_LOCK=self.lock, - #o_LOCK=pll_lock - ) - m = Module() - m.submodules += pll - with m.If(self.clksel == 0): - m.d.comb += clkfb.eq(self.clkout1) - with m.Elif(self.clksel == 1): - m.d.comb += clkfb.eq(self.clkout2) - with m.Elif(self.clksel == 2): - m.d.comb += clkfb.eq(self.clkout3) - with m.Else(): - m.d.comb += clkfb.eq(self.clkout4) - return m + def __init__(self, clkin, clksel=Signal(shape=2, reset=2), clkout1=Signal(), clkout2=Signal(), clkout3=Signal(), clkout4=Signal(), lock=Signal(), CLKI_DIV=1, CLKFB_DIV=1, CLK1_DIV=3, CLK2_DIV=4, CLK3_DIV=5, CLK4_DIV=6): + self.clkin = clkin + self.clkout1 = clkout1 + self.clkout2 = clkout2 + self.clkout3 = clkout3 + self.clkout4 = clkout4 + self.clksel = clksel + self.lock = lock + self.CLKI_DIV = CLKI_DIV + self.CLKFB_DIV = CLKFB_DIV + self.CLKOP_DIV = CLK1_DIV + self.CLKOS_DIV = CLK2_DIV + self.CLKOS2_DIV = CLK3_DIV + self.CLKOS3_DIV = CLK4_DIV + self.ports = [ + self.clkin, + self.clkout1, + self.clkout2, + self.clkout3, + self.clkout4, + self.clksel, + self.lock, + ] + + def elaborate(self, platform): + clkfb = Signal() + pll = Instance("EHXPLLL", + p_PLLRST_ENA='DISABLED', + p_INTFB_WAKE='DISABLED', + p_STDBY_ENABLE='DISABLED', + p_CLKOP_FPHASE=0, + p_CLKOP_CPHASE=11, + p_OUTDIVIDER_MUXA='DIVA', + p_CLKOP_ENABLE='ENABLED', + # Max 948 MHz at OP=79 FB=1 I=1 F_in=12 MHz, Min 30 MHz (28 MHz locks sometimes, lock LED blinks) Hmm... /3*82/25 + p_CLKOP_DIV=self.CLKOP_DIV, + p_CLKOS_DIV=self.CLKOS_DIV, + p_CLKOS2_DIV=self.CLKOS2_DIV, + p_CLKOS3_DIV=self.CLKOS3_DIV, + p_CLKFB_DIV=self.CLKFB_DIV, # 25 + p_CLKI_DIV=self.CLKI_DIV, # 6 + p_FEEDBK_PATH='USERCLOCK', + i_CLKI=self.clkin, + i_CLKFB=clkfb, + i_RST=0, + i_STDBY=0, + i_PHASESEL0=0, + i_PHASESEL1=0, + i_PHASEDIR=0, + i_PHASESTEP=0, + i_PLLWAKESYNC=0, + i_ENCLKOP=0, + i_ENCLKOS=0, + i_ENCLKOS2=0, + i_ENCLKOS3=0, + o_CLKOP=self.clkout1, + o_CLKOS=self.clkout2, + o_CLKOS2=self.clkout3, + o_CLKOS3=self.clkout4, + o_LOCK=self.lock, + # o_LOCK=pll_lock + ) + m = Module() + m.submodules += pll + with m.If(self.clksel == 0): + m.d.comb += clkfb.eq(self.clkout1) + with m.Elif(self.clksel == 1): + m.d.comb += clkfb.eq(self.clkout2) + with m.Elif(self.clksel == 2): + m.d.comb += clkfb.eq(self.clkout3) + with m.Else(): + m.d.comb += clkfb.eq(self.clkout4) + return m + class SysClocker(Elaboratable): - def elaborate(self, platform): - m = Module() + def elaborate(self, platform): + m = Module() + + m.submodules.pll = pll = PLL(ClockSignal( + "sync"), CLKI_DIV=1, CLKFB_DIV=2, CLK1_DIV=2, CLK2_DIV=16) + cd_sys2x = ClockDomain("sys2x", local=False) + m.d.comb += cd_sys2x.clk.eq(pll.clkout1) + m.domains += cd_sys2x - m.submodules.pll = pll = PLL(ClockSignal("sync"), CLKI_DIV=1, CLKFB_DIV=2, CLK1_DIV=2, CLK2_DIV=16) - cd_sys2x = ClockDomain("sys2x", local=False) - m.d.comb += cd_sys2x.clk.eq(pll.clkout1) - m.domains += cd_sys2x + cd_init = ClockDomain("init", local=False) + m.d.comb += cd_init.clk.eq(pll.clkout2) + m.domains += cd_init - cd_init = ClockDomain("init", local=False) - m.d.comb += cd_init.clk.eq(pll.clkout2) - m.domains += cd_init + return m - return m class DDR3SoC(CPUSoC, Elaboratable): - def __init__(self, *, reset_addr, clk_freq, - rom_addr, rom_size, - rom2_addr, rom2_size, - ram_addr, ram_size, - uart_addr, uart_divisor, uart_pins, - timer_addr, timer_width, - ddrphy_addr, dramcore_addr, - ddr_addr): - self._arbiter = wishbone.Arbiter(addr_width=30, data_width=32, granularity=8, - features={"cti", "bte"}) - self._decoder = wishbone.Decoder(addr_width=30, data_width=32, granularity=8, - features={"cti", "bte"}) + def __init__(self, *, reset_addr, clk_freq, + rom_addr, rom_size, + rom2_addr, rom2_size, + ram_addr, ram_size, + uart_addr, uart_divisor, uart_pins, + timer_addr, timer_width, + ddrphy_addr, dramcore_addr, + ddr_addr): + self._arbiter = wishbone.Arbiter(addr_width=30, data_width=32, granularity=8, + features={"cti", "bte"}) + self._decoder = wishbone.Decoder(addr_width=30, data_width=32, granularity=8, + features={"cti", "bte"}) - self.cpu = MinervaCPU(reset_address=reset_addr) - self._arbiter.add(self.cpu.ibus) - self._arbiter.add(self.cpu.dbus) + self.cpu = MinervaCPU(reset_address=reset_addr) + self._arbiter.add(self.cpu.ibus) + self._arbiter.add(self.cpu.dbus) - self.rom = SRAMPeripheral(size=rom_size, writable=False) - self._decoder.add(self.rom.bus, addr=rom_addr) + self.rom = SRAMPeripheral(size=rom_size, writable=False) + self._decoder.add(self.rom.bus, addr=rom_addr) - self.rom2 = SRAMPeripheral(size=rom2_size) - self._decoder.add(self.rom2.bus, addr=rom2_addr) + self.rom2 = SRAMPeripheral(size=rom2_size) + self._decoder.add(self.rom2.bus, addr=rom2_addr) - self.ram = SRAMPeripheral(size=ram_size) - self._decoder.add(self.ram.bus, addr=ram_addr) + self.ram = SRAMPeripheral(size=ram_size) + self._decoder.add(self.ram.bus, addr=ram_addr) - self.uart = AsyncSerialPeripheral(divisor=uart_divisor, pins=uart_pins) - self._decoder.add(self.uart.bus, addr=uart_addr) + self.uart = AsyncSerialPeripheral(divisor=uart_divisor, pins=uart_pins) + self._decoder.add(self.uart.bus, addr=uart_addr) - self.timer = TimerPeripheral(width=timer_width) - self._decoder.add(self.timer.bus, addr=timer_addr) + self.timer = TimerPeripheral(width=timer_width) + self._decoder.add(self.timer.bus, addr=timer_addr) - self.intc = GenericInterruptController(width=len(self.cpu.ip)) - self.intc.add_irq(self.timer.irq, 0) - self.intc.add_irq(self.uart .irq, 1) + self.intc = GenericInterruptController(width=len(self.cpu.ip)) + self.intc.add_irq(self.timer.irq, 0) + self.intc.add_irq(self.uart .irq, 1) - self.ddrphy = ECP5DDRPHY(platform.request("ddr3", 0)) - self._decoder.add(self.ddrphy.bus, addr=ddrphy_addr) + self.ddrphy = ECP5DDRPHY(platform.request("ddr3", 0)) + self._decoder.add(self.ddrphy.bus, addr=ddrphy_addr) - ddrmodule = MT41K256M16(clk_freq, "1:4") + ddrmodule = MT41K256M16(clk_freq, "1:4") - self.dramcore = gramCore( - phy = self.ddrphy, - geom_settings = ddrmodule.geom_settings, - timing_settings = ddrmodule.timing_settings, - clk_freq = clk_freq) - self._decoder.add(self.dramcore.bus, addr=dramcore_addr) + self.dramcore = gramCore( + phy=self.ddrphy, + geom_settings=ddrmodule.geom_settings, + timing_settings=ddrmodule.timing_settings, + clk_freq=clk_freq) + self._decoder.add(self.dramcore.bus, addr=dramcore_addr) - self.drambone = gramWishbone(self.dramcore) - self._decoder.add(self.drambone.bus, addr=ddr_addr) + self.drambone = gramWishbone(self.dramcore) + self._decoder.add(self.drambone.bus, addr=ddr_addr) - self.memory_map = self._decoder.bus.memory_map + self.memory_map = self._decoder.bus.memory_map - self.clk_freq = clk_freq + self.clk_freq = clk_freq - def elaborate(self, platform): - m = Module() + def elaborate(self, platform): + m = Module() - m.submodules.arbiter = self._arbiter - m.submodules.cpu = self.cpu + m.submodules.arbiter = self._arbiter + m.submodules.cpu = self.cpu - m.submodules.decoder = self._decoder - m.submodules.rom = self.rom - m.submodules.ram = self.ram - m.submodules.uart = self.uart - m.submodules.timer = self.timer - m.submodules.intc = self.intc - m.submodules.ddrphy = self.ddrphy - m.submodules.dramcore = self.dramcore - m.submodules.drambone = self.drambone + m.submodules.decoder = self._decoder + m.submodules.rom = self.rom + m.submodules.ram = self.ram + m.submodules.uart = self.uart + m.submodules.timer = self.timer + m.submodules.intc = self.intc + m.submodules.ddrphy = self.ddrphy + m.submodules.dramcore = self.dramcore + m.submodules.drambone = self.drambone - m.submodules.sysclk = SysClocker() + m.submodules.sysclk = SysClocker() - m.d.comb += [ - self._arbiter.bus.connect(self._decoder.bus), - self.cpu.ip.eq(self.intc.ip), - ] + m.d.comb += [ + self._arbiter.bus.connect(self._decoder.bus), + self.cpu.ip.eq(self.intc.ip), + ] - return m + return m if __name__ == "__main__": - platform = ECPIX5Platform() - - uart_divisor = int(platform.default_clk_frequency // 115200) - uart_pins = platform.request("uart", 0) - - soc = DDR3SoC( - reset_addr=0x00000000, clk_freq=int(platform.default_clk_frequency), - rom_addr=0x00000000, rom_size=0x4000, - rom2_addr=0x7000, rom2_size=0x1000, - ram_addr=0x00004000, ram_size=0x1000, - uart_addr=0x00005000, uart_divisor=uart_divisor, uart_pins=uart_pins, - timer_addr=0x00006000, timer_width=32, - ddrphy_addr=0x00008000, dramcore_addr=0x00009000, - ddr_addr=0x10000000 - ) - - soc.build(do_build=True, do_init=True) - platform.build(soc, do_program=True) + platform = ECPIX5Platform() + + uart_divisor = int(platform.default_clk_frequency // 115200) + uart_pins = platform.request("uart", 0) + + soc = DDR3SoC( + reset_addr=0x00000000, clk_freq=int(platform.default_clk_frequency), + rom_addr=0x00000000, rom_size=0x4000, + rom2_addr=0x7000, rom2_size=0x1000, + ram_addr=0x00004000, ram_size=0x1000, + uart_addr=0x00005000, uart_divisor=uart_divisor, uart_pins=uart_pins, + timer_addr=0x00006000, timer_width=32, + ddrphy_addr=0x00008000, dramcore_addr=0x00009000, + ddr_addr=0x10000000 + ) + + soc.build(do_build=True, do_init=True) + platform.build(soc, do_program=True) -- 2.30.2