From 3b640c45bb1cfe61f339378dab69c16b2f8e7364 Mon Sep 17 00:00:00 2001 From: Sebastien Bourdeauducq Date: Sun, 18 Dec 2011 22:02:05 +0100 Subject: [PATCH] Use new syntax --- milkymist/clkfx/__init__.py | 4 +- milkymist/lm32/__init__.py | 4 +- milkymist/m1reset/__init__.py | 13 +++--- milkymist/norflash/__init__.py | 13 +++--- milkymist/uart/__init__.py | 76 +++++++++++++++++++--------------- 5 files changed, 56 insertions(+), 54 deletions(-) diff --git a/milkymist/clkfx/__init__.py b/milkymist/clkfx/__init__.py index 9eb5600a..2e65f089 100644 --- a/milkymist/clkfx/__init__.py +++ b/milkymist/clkfx/__init__.py @@ -4,8 +4,8 @@ from migen.fhdl.structure import * class Inst: def __init__(self, infreq, outfreq): - declare_signal(self, "clkin") - declare_signal(self, "clkout") + self.clkin = Signal() + self.clkout = Signal() ratio = Fraction(outfreq)/Fraction(infreq) appr = ratio.limit_denominator(32) diff --git a/milkymist/lm32/__init__.py b/milkymist/lm32/__init__.py index deae86c0..4425fcbd 100644 --- a/milkymist/lm32/__init__.py +++ b/milkymist/lm32/__init__.py @@ -5,8 +5,8 @@ class Inst: def __init__(self): self.ibus = i = wishbone.Master("lm32i") self.dbus = d = wishbone.Master("lm32d") - declare_signal(self, "interrupt", BV(32)) - declare_signal(self, "ext_break") + self.interrupt = Signal(BV(32)) + self.ext_break = Signal() self._inst = Instance("lm32_top", [("I_ADR_O", i.adr_o), ("I_DAT_O", i.dat_o), diff --git a/milkymist/m1reset/__init__.py b/milkymist/m1reset/__init__.py index bfc3421e..71612538 100644 --- a/milkymist/m1reset/__init__.py +++ b/milkymist/m1reset/__init__.py @@ -1,15 +1,12 @@ -from functools import partial - from migen.fhdl.structure import * class Inst: def __init__(self): - d = partial(declare_signal, self) - d("trigger_reset") - d("sys_rst") - d("ac97_rst_n") - d("videoin_rst_n") - d("flash_rst_n") + self.trigger_reset = Signal() + self.sys_rst = Signal() + self.ac97_rst_n = Signal() + self.videoin_rst_n = Signal() + self.flash_rst_n = Signal() self._inst = Instance("m1reset", [("sys_rst", self.sys_rst), ("ac97_rst_n", self.ac97_rst_n), diff --git a/milkymist/norflash/__init__.py b/milkymist/norflash/__init__.py index 99b6c12d..93285fe5 100644 --- a/milkymist/norflash/__init__.py +++ b/milkymist/norflash/__init__.py @@ -1,5 +1,3 @@ -from functools import partial - from migen.fhdl.structure import * from migen.bus import wishbone from migen.corelogic import timeline @@ -7,12 +5,11 @@ from migen.corelogic import timeline class Inst: def __init__(self, adr_width, rd_timing): self.bus = wishbone.Slave("norflash") - d = partial(declare_signal, self) - d("adr", BV(adr_width-1)) - d("d", BV(16)) - d("oe_n") - d("we_n") - d("ce_n") + self.adr = Signal(BV(adr_width-1)) + self.d = Signal(BV(16)) + self.oe_n = Signal() + self.we_n = Signal() + self.ce_n = Signal() self.timeline = timeline.Inst(self.bus.cyc_i & self.bus.stb_i, [(0, [self.adr.eq(Cat(0, self.bus.adr_i[2:adr_width]))]), (rd_timing, [ diff --git a/milkymist/uart/__init__.py b/milkymist/uart/__init__.py index 608f3639..274f96fa 100644 --- a/milkymist/uart/__init__.py +++ b/milkymist/uart/__init__.py @@ -1,5 +1,3 @@ -from functools import partial - from migen.fhdl.structure import * from migen.bank.description import * from migen.bank import csrgen @@ -13,44 +11,54 @@ class Inst: self._f_thre = Field(stat, "thre", access_bus=READ_ONLY, access_dev=WRITE_ONLY) self.bank = csrgen.Bank([rxtx, divisor, stat], address=address) - d = partial(declare_signal, self) - d("tx", reset=1) - d("rx") + self.tx = Signal(reset=1) + self.rx = Signal() - d("_enable16") - d("_enable16_counter", BV(16)) - d("_tx_reg", BV(8)) - d("_tx_bitcount", BV(4)) - d("_tx_count16", BV(4)) - d("_tx_busy") self.divisor = int(clk_freq/baud/16); # TODO def get_fragment(self): - comb = [self._enable16.eq(self._enable16_counter == Constant(0, BV(16)))] - sync = [self._enable16_counter.eq(self._enable16_counter - 1), - If(self._enable16, self._enable16_counter.eq(self.divisor - 1))] # TODO + enable16 = Signal() + enable16_counter = Signal(BV(16)) + comb = [ + enable16.eq(enable16_counter == Constant(0, BV(16))) + ] + sync = [ + enable16_counter.eq(enable16_counter - 1), + If(enable16, + enable16_counter.eq(self.divisor - 1)) # TODO + ] - sync += [If(self._rxtx.dev_re, - self._tx_reg.eq(self._rxtx.dev_r), - self._tx_bitcount.eq(0), - self._tx_count16.eq(1), - self._tx_busy.eq(1), - self.tx.eq(0) - ).Elif(self._enable16 & self._tx_busy, - self._tx_count16.eq(self._tx_count16 + 1), - If(self._tx_count16 == Constant(0, BV(4)), - self._tx_bitcount.eq(self._tx_bitcount + 1), - If(self._tx_bitcount == 8, - self.tx.eq(1) - ).Elif(self._tx_bitcount == 9, - self.tx.eq(1), - self._tx_busy.eq(0) - ).Else( - self.tx.eq(self._tx_reg[0]), - self._tx_reg.eq(Cat(self._tx_reg[1:], 0)) + tx_reg = Signal(BV(8)) + tx_bitcount = Signal(BV(4)) + tx_count16 = Signal(BV(4)) + tx_busy = Signal() + sync += [ + If(self._rxtx.dev_re, + tx_reg.eq(self._rxtx.dev_r), + tx_bitcount.eq(0), + tx_count16.eq(1), + tx_busy.eq(1), + self.tx.eq(0) + ).Elif(enable16 & tx_busy, + tx_count16.eq(tx_count16 + 1), + If(tx_count16 == Constant(0, BV(4)), + tx_bitcount.eq(tx_bitcount + 1), + If(tx_bitcount == 8, + self.tx.eq(1) + ).Elif(tx_bitcount == 9, + self.tx.eq(1), + tx_busy.eq(0) + ).Else( + self.tx.eq(tx_reg[0]), + tx_reg.eq(Cat(tx_reg[1:], 0)) + ) ) ) - )] + ] + + comb += [ + self._f_thre.dev_we.eq(1), + self._f_thre.dev_w.eq(~tx_busy) + ] - comb += [self._f_thre.dev_we.eq(1), self._f_thre.dev_w.eq(~self._tx_busy)] return self.bank.get_fragment() + Fragment(comb, sync, pads={self.tx, self.rx}) -- 2.30.2