Start by checking that you're using the most recent driver from
Cyclades site. Note that I've seen serious problems with these cards
and some (mostly 430VX and SiS chipset) motherboards.
> I have previously submitted this question to freebsd-questions and
> freebsd-hardware with no response. I hope some kind soul on this may be
> able to help me.
> I am having trouble getting a Cyclades Cyclom-8YeP (PCI, 8 port)
> multiport serial card to work with my FreeBSD 2.2.7 machine. I would
> appreciate any help anyone can give me towards solving this problem. If
> anyone out there is using a Cyclom-8YeP card with 2.2.7, please let me
> know. Should I just give up and get the isa version instead?
> PROBLEM SUMMARY:
> During bootup, the kernel finds the card but reports no ports found.
> (Exerpt from boot sequence with the -v added)
> cy0 <Cyclades Cyclom-Y Serial Adapter> rev 1 int a irq 10 on pci0:9:0
> mapreg type=0 addr=ffadff80 size=0080.
> mapreg type=1 addr=00007c80 size=0080.
> mapreg type=1 addr=000dc000 size=3f80.
> cy_pci.c cy_attach config_id.cfg1 = 80004800 /*Added to peak at the
> cy_pci.c cy_attach unit = 0 /*Added to peak at the
> cy_pci.c cy_attach ioport = 7c80 /*Added to peak at the
> cy_pci.c cy_attach paddr = dc000 /*Added to peak at the
> cy_pci.c cy_attach vaddr = f4d3b000 /*Added to peak at the
> cy0: no ports found!
> So as you can see, the pci probe finds the card, but the attach sequence
> fails. I have already updated the i386/isa/cy.c and i386/isa/cyreg.h
> with the new version (18.104.22.168) from Cyclades. This has not helped.
> WHAT I HAVE TRIED:
> CYCTEST.EXE (from Cyclades) reports everything is fine.
> Output from CYCTEST:
> Device: 64
> BusNumber: 0
> Vendor ID: 120Eh
> Device ID: 0100h
> Class Code: 078000h
> Revision ID: 01h
> Interrupt Line: 9
> Runtime Regs Addr: 00007C81h
> Base Address Reg: 000DC002h
> Firmware ID: 13
> FirmWare Rev: 3
> Number of Ports:8
> ID Number: 9DA74502
> EEPROM Version: 3
> CD1400 #0: 48h
> CD1400 #1: 48h
> CD1400 #2: 00h
> CD1400 #3: 00h
> CD1400 #4: 00h
> CD1400 #5: 00h
> CD1400 #6: 00h
> CD1400 #7: 00h
> Changing the base address with CYCTEST (from Y < 1MB to Y > 1MB) doesn't
> Swaping the card with my Intel Pro 100 (which changes the assign IRQ)
> doesn't help.
> When I look at the values in memory (using ddb or gdb -k) the entire 16kb
> allocated by cy_pci.c at 0xf4d3b000 reports back 0xffffffff. My
> understanding of how this card works suggests that while the upper three
> bytes of each work should be 0xffffff the lower byte should hold
> meaningful data. For example, the base address + 0x0100 should be
> 0xffffff48 because 0x48 is the version number of the cd1400 on the card.
> I installed 3.0-RELEASE on this machine as a last ditch effort to get the
> card to work. Same results as 2.2.7
> POSSIBLE CLUE:
> Normally I have set the shadow memory for 0xdc000 to be disabled.
> However, when I set it to cached, the kernel finds the card. ddb abd gdb
> report back reasonable values when peaking at the 16kb allocated by the
> card. The card doesn't work worth beans in this mode because all of the
> memory is write protected due to shadowing being enabled, but AT LEAST IT
> IS SOMETHING! Setting shadowing to enable does not work either.
> Michael Boers
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