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cores/usb_ohci: Do minor review cleanups/changes.

This commit is contained in:
Florent Kermarrec 2023-02-10 14:41:36 +01:00
parent d68bffb26e
commit 5df1dacd18
1 changed files with 15 additions and 12 deletions
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27
litex/soc/cores/usb_ohci.py
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@ -31,16 +31,18 @@ class USBOHCI(Module):
# # #
pn = len(pads.dp)
# Parameters.
nports = len(pads.dp)
# USB IOs.
usb_ios = {}
for i in range(len(pads.dp)):
for i in range(nports):
usb_ios[i] = Record([
("dp_i", 1), ("dp_o", 1), ("dp_oe", 1),
("dm_i", 1), ("dm_o", 1), ("dm_oe", 1),
("dp_i", 1), ("dp_o", 1), ("dp_oe", 1),
("dm_i", 1), ("dm_o", 1), ("dm_oe", 1),
])
# USB OHCI Core Instance.
self.specials += Instance(self.get_netlist_name(),
# Clk / Rst.
i_phy_clk = ClockSignal("usb"),
@ -75,16 +77,17 @@ class USBOHCI(Module):
o_io_interrupt = self.interrupt,
# USB
**{f"i_io_usb_{n}_dp_read": usb_ios[n].dp_i for n in range(pn)},
**{f"o_io_usb_{n}_dp_write": usb_ios[n].dp_o for n in range(pn)},
**{f"o_io_usb_{n}_dp_writeEnable": usb_ios[n].dp_oe for n in range(pn)},
**{f"i_io_usb_{n}_dm_read": usb_ios[n].dm_i for n in range(pn)},
**{f"o_io_usb_{n}_dm_write": usb_ios[n].dm_o for n in range(pn)},
**{f"o_io_usb_{n}_dm_writeEnable": usb_ios[n].dm_oe for n in range(pn)},
**{f"i_io_usb_{n}_dp_read" : usb_ios[n].dp_i for n in range(nports)},
**{f"o_io_usb_{n}_dp_write" : usb_ios[n].dp_o for n in range(nports)},
**{f"o_io_usb_{n}_dp_writeEnable" : usb_ios[n].dp_oe for n in range(nports)},
**{f"i_io_usb_{n}_dm_read" : usb_ios[n].dm_i for n in range(nports)},
**{f"o_io_usb_{n}_dm_write" : usb_ios[n].dm_o for n in range(nports)},
**{f"o_io_usb_{n}_dm_writeEnable" : usb_ios[n].dm_oe for n in range(nports)},
)
for i in range(pn):
# USB Tristates.
for i in range(nports):
self.specials += SDRTristate(
io = pads.dp[i],
o = usb_ios[i].dp_o,