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hw: foboot-bitstream: remove debug pins, use epfifo 

Remove the debug pins to let timing close.

Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2019-03-10 21:06:37 +08:00
parent 0c6e444789
commit 2d7c7794f5
1 changed files with 12 additions and 12 deletions
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24
hw/foboot-bitstream.py
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@ -280,23 +280,23 @@ class BaseSoC(SoCCore):
else:
raise ValueError("unrecognized boot_source: {}".format(boot_source))
pmoda = platform.request("pmoda")
pmodb = platform.request("pmodb")
# pmoda = platform.request("pmoda")
# pmodb = platform.request("pmodb")
# Add USB pads
usb_pads = platform.request("usb")
usb_iobuf = usbio.IoBuf(pmoda.p4, pmodb.p4, usb_pads.pullup)
# self.submodules.usb = epfifo.PerEndpointFifoInterface(usb_iobuf, endpoints=[EndpointType.BIDIR])
usb_iobuf = usbio.IoBuf(usb_pads.d_p, usb_pads.d_n, usb_pads.pullup)
self.submodules.usb = epfifo.PerEndpointFifoInterface(usb_iobuf, endpoints=[EndpointType.BIDIR])
# self.submodules.usb = epmem.MemInterface(usb_iobuf)
self.submodules.usb = unififo.UsbUniFifo(usb_iobuf)
# self.submodules.usb = unififo.UsbUniFifo(usb_iobuf)
self.comb += [
pmoda.p1.eq(self.crg.cd_usb_48.clk),
pmodb.p1.eq(self.crg.cd_usb_12.clk),
pmodb.p2.eq(self.usb.tx.i_bit_strobe),
pmoda.p2.eq(self.usb.tx.fit_dat),
pmodb.p3.eq(self.usb.tx.fit_oe),
]
# self.comb += [
# pmoda.p1.eq(self.crg.cd_usb_48.clk),
# pmodb.p1.eq(self.crg.cd_usb_12.clk),
# pmodb.p2.eq(self.usb.tx.i_bit_strobe),
# pmoda.p2.eq(self.usb.tx.fit_dat),
# pmodb.p3.eq(self.usb.tx.fit_oe),
# ]
# Disable final deep-sleep power down so firmware words are loaded
# onto softcore's address bus.