From: Sebastien Bourdeauducq Date: Mon, 10 Sep 2012 21:47:06 +0000 (+0200) Subject: Basic support for new clock domain and instance API X-Git-Tag: 24jan2021_ls180~3085 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5931c5eb592d81b7dc68ab1d43e2114dadea83cb;p=litex.git Basic support for new clock domain and instance API --- diff --git a/milkymist/framebuffer/__init__.py b/milkymist/framebuffer/__init__.py index f85cfd09..70fb6971 100644 --- a/milkymist/framebuffer/__init__.py +++ b/milkymist/framebuffer/__init__.py @@ -172,37 +172,32 @@ class FIFO(Actor): def get_fragment(self): data_width = 2+3*_bpc_dac asfifo = Instance("asfifo", - [ - ("data_out", BV(data_width)), - ("empty", BV(1)), - - ("full", BV(1)) - ], [ - ("read_en", BV(1)), - ("clk_read", self.vga_clk), - - ("data_in", BV(data_width)), - ("write_en", BV(1)), - - ("rst", BV(1)) - ], - parameters=[ - ("data_width", data_width), - ("address_width", 8) - ], - clkport="clk_write") + Instance.Parameter("data_width", data_width), + Instance.Parameter("address_width", 8), + + Instance.Output("data_out", BV(data_width)), + Instance.Output("empty", BV(1)), + Instance.Input("read_en", BV(1)), + Instance.Input("clk_read", self.vga_clk), + + Instance.Input("data_in", BV(data_width)), + Instance.Output("full", BV(1)), + Instance.Input("write_en", BV(1)), + Instance.ClockPort("clk_write"), + + Instance.Input("rst", BV(1))) t = self.token("dac") return Fragment( [ - asfifo.ins["read_en"].eq(1), - Cat(self.vga_hsync_n, self.vga_vsync_n, self.vga_r, self.vga_g, self.vga_b).eq(asfifo.outs["data_out"]), + asfifo.get_io("read_en").eq(1), + Cat(self.vga_hsync_n, self.vga_vsync_n, self.vga_r, self.vga_g, self.vga_b).eq(asfifo.get_io("data_out")), - self.endpoints["dac"].ack.eq(~asfifo.outs["full"]), - asfifo.ins["write_en"].eq(self.endpoints["dac"].stb), - asfifo.ins["data_in"].eq(Cat(~t.hsync, ~t.vsync, t.r, t.g, t.b)), + self.endpoints["dac"].ack.eq(~asfifo.get_io("full")), + asfifo.get_io("write_en").eq(self.endpoints["dac"].stb), + asfifo.get_io("data_in").eq(Cat(~t.hsync, ~t.vsync, t.r, t.g, t.b)), self.busy.eq(0), - asfifo.ins["rst"].eq(0) + asfifo.get_io("rst").eq(0) ], instances=[asfifo]) diff --git a/milkymist/lm32/__init__.py b/milkymist/lm32/__init__.py index cace4b54..d2777a50 100644 --- a/milkymist/lm32/__init__.py +++ b/milkymist/lm32/__init__.py @@ -8,44 +8,45 @@ class LM32: self.interrupt = Signal(BV(32)) self.ext_break = Signal() self._inst = Instance("lm32_top", - [("I_ADR_O", BV(32)), - ("I_DAT_O", i.dat_w), - ("I_SEL_O", i.sel), - ("I_CYC_O", i.cyc), - ("I_STB_O", i.stb), - ("I_WE_O", i.we), - ("I_CTI_O", i.cti), - ("I_LOCK_O", BV(1)), - ("I_BTE_O", i.bte), - ("D_ADR_O", BV(32)), - ("D_DAT_O", d.dat_w), - ("D_SEL_O", d.sel), - ("D_CYC_O", d.cyc), - ("D_STB_O", d.stb), - ("D_WE_O", d.we), - ("D_CTI_O", d.cti), - ("D_LOCK_O", BV(1)), - ("D_BTE_O", d.bte)], + Instance.ClockPort("clk_i"), + Instance.ResetPort("rst_i"), - [("interrupt", self.interrupt), - #("ext_break", self.ext_break), - ("I_DAT_I", i.dat_r), - ("I_ACK_I", i.ack), - ("I_ERR_I", i.err), - ("I_RTY_I", BV(1)), - ("D_DAT_I", d.dat_r), - ("D_ACK_I", d.ack), - ("D_ERR_I", d.err), - ("D_RTY_I", BV(1))], + Instance.Input("interrupt", self.interrupt), + #Instance.Input("ext_break", self.ext_break), + + Instance.Output("I_ADR_O", BV(32)), + Instance.Output("I_DAT_O", i.dat_w), + Instance.Output("I_SEL_O", i.sel), + Instance.Output("I_CYC_O", i.cyc), + Instance.Output("I_STB_O", i.stb), + Instance.Output("I_WE_O", i.we), + Instance.Output("I_CTI_O", i.cti), + Instance.Output("I_LOCK_O", BV(1)), + Instance.Output("I_BTE_O", i.bte), + Instance.Input("I_DAT_I", i.dat_r), + Instance.Input("I_ACK_I", i.ack), + Instance.Input("I_ERR_I", i.err), + Instance.Input("I_RTY_I", BV(1)), - clkport="clk_i", - rstport="rst_i") + Instance.Output("D_ADR_O", BV(32)), + Instance.Output("D_DAT_O", d.dat_w), + Instance.Output("D_SEL_O", d.sel), + Instance.Output("D_CYC_O", d.cyc), + Instance.Output("D_STB_O", d.stb), + Instance.Output("D_WE_O", d.we), + Instance.Output("D_CTI_O", d.cti), + Instance.Output("D_LOCK_O", BV(1)), + Instance.Output("D_BTE_O", d.bte), + Instance.Input("D_DAT_I", d.dat_r), + Instance.Input("D_ACK_I", d.ack), + Instance.Input("D_ERR_I", d.err), + Instance.Input("D_RTY_I", BV(1))) def get_fragment(self): comb = [ - self._inst.ins["I_RTY_I"].eq(0), - self._inst.ins["D_RTY_I"].eq(0), - self.ibus.adr.eq(self._inst.outs["I_ADR_O"][2:]), - self.dbus.adr.eq(self._inst.outs["D_ADR_O"][2:]) + self._inst.get_io("I_RTY_I").eq(0), + self._inst.get_io("D_RTY_I").eq(0), + self.ibus.adr.eq(self._inst.get_io("I_ADR_O")[2:]), + self.dbus.adr.eq(self._inst.get_io("D_ADR_O")[2:]) ] return Fragment(comb=comb, instances=[self._inst]) diff --git a/milkymist/m1crg/__init__.py b/milkymist/m1crg/__init__.py index bb44dcf1..ecb0fdd7 100644 --- a/milkymist/m1crg/__init__.py +++ b/milkymist/m1crg/__init__.py @@ -7,10 +7,23 @@ class M1CRG: self.clkin = Signal() self.trigger_reset = Signal() - generated = [] + self.cd_sys = ClockDomain("sys") + + ratio = Fraction(outfreq1x)/Fraction(infreq) + in_period = float(Fraction(1000000000)/Fraction(infreq)) + + inst_items = [ + Instance.Parameter("in_period", in_period), + Instance.Parameter("f_mult", ratio.numerator), + Instance.Parameter("f_div", ratio.denominator), + Instance.Input("clkin", self.clkin), + Instance.Input("trigger_reset", self.trigger_reset), + + Instance.Output("sys_clk", self.cd_sys.clk), + Instance.Output("sys_rst", self.cd_sys.rst) + ] + for name in [ - "sys_clk", - "sys_rst", "ac97_rst_n", "videoin_rst_n", "flash_rst_n", @@ -25,23 +38,10 @@ class M1CRG: ]: s = Signal(name=name) setattr(self, name, s) - generated.append((name, s)) + inst_items.append(Instance.Output(name, s)) - ratio = Fraction(outfreq1x)/Fraction(infreq) - in_period = float(Fraction(1000000000)/Fraction(infreq)) - - self._inst = Instance("m1crg", - generated, - [ - ("clkin", self.clkin), - ("trigger_reset", self.trigger_reset) - ], - parameters=[ - ("in_period", in_period), - ("f_mult", ratio.numerator), - ("f_div", ratio.denominator) - ] - ) + self._inst = Instance("m1crg", *inst_items) + def get_fragment(self): return Fragment(instances=[self._inst]) diff --git a/milkymist/minimac3/__init__.py b/milkymist/minimac3/__init__.py index fb6b314b..cb0699f4 100644 --- a/milkymist/minimac3/__init__.py +++ b/milkymist/minimac3/__init__.py @@ -61,45 +61,39 @@ class MiniMAC: ] inst = [ Instance("minimac3", - [ - ("rx_done_0", self._rx_event_0.trigger), - ("rx_count_0", self._rx_count_0.field.w), - ("rx_done_1", self._rx_event_1.trigger), - ("rx_count_1", self._rx_count_1.field.w), - - ("tx_done", self._tx_event.trigger), - - ("wb_dat_o", self.membus.dat_r), - ("wb_ack_o", self.membus.ack), - - ("phy_tx_data", self.phy_tx_data), - ("phy_tx_en", self.phy_tx_en), - ("phy_tx_er", self.phy_tx_er), - ], [ - ("rx_ready_0", rx_ready_0), - ("rx_ready_1", rx_ready_1), - - ("tx_start", self._tx_start.re), - ("tx_count", self._tx_count.field.r), - - ("wb_adr_i", self.membus.adr), - ("wb_dat_i", self.membus.dat_w), - ("wb_sel_i", self.membus.sel), - ("wb_stb_i", self.membus.stb), - ("wb_cyc_i", self.membus.cyc), - ("wb_we_i", self.membus.we), - - ("phy_tx_clk", self.phy_tx_clk), - ("phy_rx_clk", self.phy_rx_clk), - ("phy_rx_data", self.phy_rx_data), - ("phy_dv", self.phy_dv), - ("phy_rx_er", self.phy_rx_er), - ("phy_col", self.phy_col), - ("phy_crs", self.phy_crs) - ], - clkport="sys_clk", - rstport="sys_rst" - ) + Instance.ClockPort("sys_clk"), + Instance.ResetPort("sys_rst"), + + Instance.Output("rx_done_0", self._rx_event_0.trigger), + Instance.Output("rx_count_0", self._rx_count_0.field.w), + Instance.Output("rx_done_1", self._rx_event_1.trigger), + Instance.Output("rx_count_1", self._rx_count_1.field.w), + Instance.Input("rx_ready_0", rx_ready_0), + Instance.Input("rx_ready_1", rx_ready_1), + + Instance.Input("tx_start", self._tx_start.re), + Instance.Input("tx_count", self._tx_count.field.r), + Instance.Output("tx_done", self._tx_event.trigger), + + Instance.Input("wb_adr_i", self.membus.adr), + Instance.Input("wb_dat_i", self.membus.dat_w), + Instance.Input("wb_sel_i", self.membus.sel), + Instance.Input("wb_stb_i", self.membus.stb), + Instance.Input("wb_cyc_i", self.membus.cyc), + Instance.Input("wb_we_i", self.membus.we), + Instance.Output("wb_dat_o", self.membus.dat_r), + Instance.Output("wb_ack_o", self.membus.ack), + + Instance.Output("phy_tx_data", self.phy_tx_data), + Instance.Output("phy_tx_en", self.phy_tx_en), + Instance.Output("phy_tx_er", self.phy_tx_er), + Instance.Input("phy_tx_clk", self.phy_tx_clk), + Instance.Input("phy_rx_clk", self.phy_rx_clk), + Instance.Input("phy_rx_data", self.phy_rx_data), + Instance.Input("phy_dv", self.phy_dv), + Instance.Input("phy_rx_er", self.phy_rx_er), + Instance.Input("phy_col", self.phy_col), + Instance.Input("phy_crs", self.phy_crs)) ] return Fragment(comb, sync, instances=inst) \ + self.events.get_fragment() \ diff --git a/milkymist/s6ddrphy/__init__.py b/milkymist/s6ddrphy/__init__.py index 8a495c9d..60b9a747 100644 --- a/milkymist/s6ddrphy/__init__.py +++ b/milkymist/s6ddrphy/__init__.py @@ -3,49 +3,44 @@ from migen.bus import dfi class S6DDRPHY: def __init__(self, a, ba, d): - ins = [] - outs = [] - inouts = [] - - for name, width, l in [ - ("clk2x_270", 1, ins), - ("clk4x_wr", 1, ins), - ("clk4x_wr_strb", 1, ins), - ("clk4x_rd", 1, ins), - ("clk4x_rd_strb", 1, ins), + inst_items = [ + Instance.Parameter("NUM_AD", a), + Instance.Parameter("NUM_BA", ba), + Instance.Parameter("NUM_D", d), + Instance.ClockPort("sys_clk") + ] + for name, width, cl in [ + ("clk2x_270", 1, Instance.Input), + ("clk4x_wr", 1, Instance.Input), + ("clk4x_wr_strb", 1, Instance.Input), + ("clk4x_rd", 1, Instance.Input), + ("clk4x_rd_strb", 1, Instance.Input), - ("sd_clk_out_p", 1, outs), - ("sd_clk_out_n", 1, outs), - ("sd_a", a, outs), - ("sd_ba", ba, outs), - ("sd_cs_n", 1, outs), - ("sd_cke", 1, outs), - ("sd_ras_n", 1, outs), - ("sd_cas_n", 1, outs), - ("sd_we_n", 1, outs), - ("sd_dq", d//2, inouts), - ("sd_dm", d//16, outs), - ("sd_dqs", d//16, inouts) + ("sd_clk_out_p", 1, Instance.Output), + ("sd_clk_out_n", 1, Instance.Output), + ("sd_a", a, Instance.Output), + ("sd_ba", ba, Instance.Output), + ("sd_cs_n", 1, Instance.Output), + ("sd_cke", 1, Instance.Output), + ("sd_ras_n", 1, Instance.Output), + ("sd_cas_n", 1, Instance.Output), + ("sd_we_n", 1, Instance.Output), + ("sd_dq", d//2, Instance.InOut), + ("sd_dm", d//16, Instance.Output), + ("sd_dqs", d//16, Instance.InOut) ]: s = Signal(BV(width), name=name) setattr(self, name, s) - l.append((name, s)) + inst_items.append(cl(name, s)) self.dfi = dfi.Interface(a, ba, d, 2) - ins += self.dfi.get_standard_names(True, False) - outs += self.dfi.get_standard_names(False, True) + inst_items += [Instance.Input(name, signal) + for name, signal in self.dfi.get_standard_names(True, False)] + inst_items += [Instance.Output(name, signal) + for name, signal in self.dfi.get_standard_names(False, True)] - self._inst = Instance("s6ddrphy", - outs, - ins, - inouts, - [ - ("NUM_AD", a), - ("NUM_BA", ba), - ("NUM_D", d) - ], - clkport="sys_clk") + self._inst = Instance("s6ddrphy", *inst_items) def get_fragment(self): return Fragment(instances=[self._inst]) diff --git a/top.py b/top.py index a2192341..621d7627 100644 --- a/top.py +++ b/top.py @@ -160,8 +160,7 @@ def get(): src_verilog, vns = verilog.convert(frag, cst.get_ios(), name="soc", - clk_signal=crg0.sys_clk, - rst_signal=crg0.sys_rst, + clock_domains={"sys": crg0.cd_sys}, return_ns=True) src_ucf = cst.get_ucf(vns) return (src_verilog, src_ucf)