Merge pull request #1134 from fjullien/efinix_titanium_support

Efinix titanium support
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enjoy-digital 2021-12-17 15:55:08 +01:00 committed by GitHub
commit 321b91d551
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4 changed files with 89 additions and 20 deletions

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@ -65,24 +65,38 @@ class EfinixAsyncResetSynchronizer:
class EfinixTristateImpl(Module): class EfinixTristateImpl(Module):
def __init__(self, platform, io, o, oe, i=None): def __init__(self, platform, io, o, oe, i=None):
nbits, sign = value_bits_sign(io) nbits, sign = value_bits_sign(io)
assert nbits == 1
io_name = platform.get_pin_name(io) for bit in range(nbits):
io_loc = platform.get_pin_location(io) io_name = platform.get_pin_name(io[bit])
io_o = platform.add_iface_io(io_name + "_OUT") io_loc = platform.get_pin_location(io[bit])
io_oe = platform.add_iface_io(io_name + "_OE") io_prop = platform.get_pin_properties(io[bit])
io_i = platform.add_iface_io(io_name + "_IN") io_o = platform.add_iface_io(io_name + "_OUT")
self.comb += io_o.eq(o) io_oe = platform.add_iface_io(io_name + "_OE")
self.comb += io_oe.eq(oe) io_i = platform.add_iface_io(io_name + "_IN")
if i is not None: self.comb += io_o.eq(o[bit])
self.comb += i.eq(io_i) self.comb += io_oe.eq(oe)
block = { if i[bit] is not None:
"type" : "GPIO", self.comb += i[bit].eq(io_i)
"mode" : "INOUT", block = {
"name" : io_name, "type" : "GPIO",
"location" : [io_loc[0]], "mode" : "INOUT",
} "name" : io_name,
platform.toolchain.ifacewriter.blocks.append(block) "location" : [io_loc[0]],
platform.toolchain.excluded_ios.append(io_name) "properties" : io_prop
}
platform.toolchain.ifacewriter.blocks.append(block)
# Remove the group from the io list
exclude = platform.get_pin_name(io[0], without_index=True)
# In case of a single signal, there is still a '0' index
# to be remove at the end
if (nbits == 1) and (exclude[:-1] == '0'):
exclude = exclude[:-1]
platform.toolchain.excluded_ios.append(exclude)
class EfinixTristate(Module): class EfinixTristate(Module):
@staticmethod @staticmethod

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@ -115,6 +115,10 @@ def _format_constraint(c, signame, fmt_r, fragment, platform):
prop = "DRIVE_STRENGTH" prop = "DRIVE_STRENGTH"
val = c.misc.split("=")[1] val = c.misc.split("=")[1]
if "SLEWRATE" in c.misc:
prop = "SLEW_RATE"
val = "1"
if prop == "": if prop == "":
# Print error, warning ?? # Print error, warning ??
return "" return ""

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@ -108,6 +108,7 @@ design.create("{2}", "{3}", "./../gateware", overwrite=True)
def generate_gpio(self, block, verbose=True): def generate_gpio(self, block, verbose=True):
name = block["name"] name = block["name"]
mode = block["mode"] mode = block["mode"]
prop = block["properties"]
cmd = "" cmd = ""
if mode == "INOUT": if mode == "INOUT":
@ -118,6 +119,9 @@ design.create("{2}", "{3}", "./../gateware", overwrite=True)
cmd += f'design.create_inout_gpio("{name}",{block["size"]-1},0)\n' cmd += f'design.create_inout_gpio("{name}",{block["size"]-1},0)\n'
for i, pad in enumerate(block["location"]): for i, pad in enumerate(block["location"]):
cmd += f'design.assign_pkg_pin("{name}[{i}]","{pad}")\n' cmd += f'design.assign_pkg_pin("{name}[{i}]","{pad}")\n'
if prop:
for p, val in prop:
cmd += 'design.set_property("{}","{}","{}")\n'.format(name, p, val)
cmd += "\n" cmd += "\n"
return cmd return cmd
@ -132,6 +136,10 @@ design.create("{2}", "{3}", "./../gateware", overwrite=True)
if "in_reg" in block: if "in_reg" in block:
cmd += f'design.set_property("{name}","IN_REG","{block["in_reg"]}")\n' cmd += f'design.set_property("{name}","IN_REG","{block["in_reg"]}")\n'
cmd += f'design.set_property("{name}","IN_CLK_PIN","{block["in_clk_pin"]}")\n' cmd += f'design.set_property("{name}","IN_CLK_PIN","{block["in_clk_pin"]}")\n'
if prop:
for p, val in prop:
cmd += 'design.set_property("{}","{}","{}")\n'.format(name, p, val)
cmd += "\n"
return cmd return cmd
if mode == "OUTPUT": if mode == "OUTPUT":
@ -150,6 +158,9 @@ design.create("{2}", "{3}", "./../gateware", overwrite=True)
if "drive_strength" in block: if "drive_strength" in block:
cmd += 'design.set_property("{}","DRIVE_STRENGTH","4")\n'.format(name, block["drive_strength"]) cmd += 'design.set_property("{}","DRIVE_STRENGTH","4")\n'.format(name, block["drive_strength"])
if prop:
for p, val in prop:
cmd += 'design.set_property("{}","{}","{}")\n'.format(name, p, val)
cmd += "\n" cmd += "\n"
return cmd return cmd
@ -157,12 +168,20 @@ design.create("{2}", "{3}", "./../gateware", overwrite=True)
cmd += 'design.create_input_clock_gpio("{}")\n'.format(name) cmd += 'design.create_input_clock_gpio("{}")\n'.format(name)
cmd += 'design.set_property("{}","IN_PIN","{}")\n'.format(name, name) cmd += 'design.set_property("{}","IN_PIN","{}")\n'.format(name, name)
cmd += 'design.assign_pkg_pin("{}","{}")\n\n'.format(name, block["location"]) cmd += 'design.assign_pkg_pin("{}","{}")\n\n'.format(name, block["location"])
if prop:
for p, val in prop:
cmd += 'design.set_property("{}","{}","{}")\n'.format(name, p, val)
cmd += "\n"
return cmd return cmd
if mode == "OUTPUT_CLK": if mode == "OUTPUT_CLK":
cmd += 'design.create_clockout_gpio("{}")\n'.format(name) cmd += 'design.create_clockout_gpio("{}")\n'.format(name)
cmd += 'design.set_property("{}","OUT_CLK_PIN","{}")\n'.format(name, name) cmd += 'design.set_property("{}","OUT_CLK_PIN","{}")\n'.format(name, name)
cmd += 'design.assign_pkg_pin("{}","{}")\n\n'.format(name, block["location"]) cmd += 'design.assign_pkg_pin("{}","{}")\n\n'.format(name, block["location"])
if prop:
for p, val in prop:
cmd += 'design.set_property("{}","{}","{}")\n'.format(name, p, val)
cmd += "\n"
return cmd return cmd
cmd = "# TODO: " + str(block) +"\n" cmd = "# TODO: " + str(block) +"\n"

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@ -86,7 +86,36 @@ class EfinixPlatform(GenericPlatform):
return [pins[idx]] return [pins[idx]]
return None return None
def get_pin_name(self, sig): def get_pin_properties(self, sig):
ret = []
if sig is None:
return None
assert len(sig) == 1
if isinstance(sig, _Slice):
sig = sig.value
sc = self.constraint_manager.get_sig_constraints()
for s, pins, others, resource in sc:
if (s == sig) and (pins[0] != 'X'):
for o in others:
if isinstance(o, IOStandard):
ret.append(('IO_STANDARD', o.name))
if isinstance(o, Misc):
if o.misc in ["WEAK_PULLUP", "WEAK_PULLDOWN"]:
prop = "PULL_OPTION"
val = o.misc
if "DRIVE_STRENGTH" in o.misc:
prop = "DRIVE_STRENGTH"
val = o.misc.split("=")[1]
ret.append((prop, val))
if "SLEWRATE" in o.misc:
prop = "SLEW_RATE"
val = "1"
ret.append((prop, val))
return ret
return None
def get_pin_name(self, sig, without_index=False):
if sig is None: if sig is None:
return None return None
assert len(sig) == 1 assert len(sig) == 1
@ -100,7 +129,10 @@ class EfinixPlatform(GenericPlatform):
for s, pins, others, resource in sc: for s, pins, others, resource in sc:
if s == sig: if s == sig:
if resource[2]: if resource[2]:
return resource[0] + "_" + resource[2] + (f"{idx}" if slc else "") name = resource[0] + "_" + resource[2]
if without_index is False:
name = name + (f"{idx}" if slc else "")
return name
else: else:
return resource[0] + (f"{idx}" if slc else "") return resource[0] + (f"{idx}" if slc else "")
return None return None