Date: Sun, 8 Nov 2009 19:30:04 GMT From: "Bill Lortz" <blortz@pacbell.net> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/134878: [puc] [patch] Add support for Oxford OXPCIe954 and OXPCIe958 PCI Express chips Message-ID: <200911081930.nA8JU47O035153@freefall.freebsd.org>
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The following reply was made to PR kern/134878; it has been noted by GNATS.
From: "Bill Lortz" <blortz@pacbell.net>
To: <bug-followup@FreeBSD.org>, <david@wood2.org.uk>
Cc:
Subject: Re: kern/134878: [puc] [patch] Add support for Oxford OXPCIe954 and OXPCIe958 PCI Express chips
Date: Sun, 8 Nov 2009 11:02:46 -0800
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I have the FreeTech PCI-e mini card with 1 serial and 1 parallel port (part
#PEX1S1PMINI) that claims to use the Oxford OXPCIe952 chip. The computer
is a FITPC2 (Intel Atom-based computer).
After applying the puc patch, enabling puc in the kernel and re-compiling,
the card is recognized, but no driver was assigned.
I ran a pciconf -lv to list the pci devices and found the chip id's didn't
match anything in the patched driver.
So, I changed an entry in the patched code for the 952 chip from "0x1415,
0x15d" to "0x1415, 0xc11b" so that it matched the output from the pciconf.
Since I was only interested in the serial function, I didn't try to patch
for the parallel port function. After recompiling the kernel it worked
and assigned a device driver to the UART.
I wasn't comfortable in my patch to add a new table entry, so that is why I
changed an existing entry. I suspect the proper patch would be to add a
new table entry. I've included the output from my "pciconf" that shows
the pci card and chip ids for both the serial and parallel ports. Notice
that it assigned a device puc0 to the UART.
none3@pci0:3:0:0: class=0x070102 card=0xc1181415 chip=0xc1181415
rev=0x00 hdr=0x00
vendor = 'Oxford Semiconductor Ltd'
class = simple comms
subclass = parallel port
puc0@pci0:3:0:3: class=0x070002 card=0xc11b1415 chip=0xc11b1415
rev=0x00 hdr=0x00
vendor = 'Oxford Semiconductor Ltd'
class = simple comms
subclass = UART
I'm very new to FreeBSD and am not sure if I approached notification of my
findings in the correct way by submitting this followup. In any case, I
hope it is helpful since I assume it is hard for the developers to test on
every combination of computer and card.
If a new patch is released, I'd be happy to test it out.
Bill Lortz
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<p class=3DMsoNormal>I have the FreeTech PCI-e mini card with 1 serial =
and 1
parallel port (part #PEX1S1PMINI) that claims to use the Oxford =
OXPCIe952 chip.
The computer is a FITPC2 (Intel Atom-based computer).<o:p></o:p></p>
<p class=3DMsoNormal><o:p> </o:p></p>
<p class=3DMsoNormal>After applying the puc patch, enabling puc in the =
kernel and
re-compiling, the card is recognized, but no driver was assigned. =
<o:p></o:p></p>
<p class=3DMsoNormal><o:p> </o:p></p>
<p class=3DMsoNormal>I ran a pciconf –lv to list the pci devices =
and found
the chip id’s didn’t match anything in the patched =
driver.<o:p></o:p></p>
<p class=3DMsoNormal><o:p> </o:p></p>
<p class=3DMsoNormal>So, I changed an entry in the patched code for the =
952 chip from
“0x1415, 0x15d” to “0x1415, 0xc11b” =
so that
it matched the output from the pciconf. Since I was only =
interested
in the serial function, I didn’t try to patch for the parallel =
port
function. After recompiling the kernel it worked and =
assigned
a device driver to the UART.<o:p></o:p></p>
<p class=3DMsoNormal><o:p> </o:p></p>
<p class=3DMsoNormal>I wasn’t comfortable in my patch to add a new =
table
entry, so that is why I changed an existing entry. I suspect =
the
proper patch would be to add a new table entry. =
I’ve
included the output from my “pciconf” that shows the pci =
card and
chip ids for both the serial and parallel ports. Notice that =
it
assigned a device puc0 to the UART.<o:p></o:p></p>
<p class=3DMsoNormal><o:p> </o:p></p>
<p class=3DMsoNormal><o:p> </o:p></p>
<p =
class=3DMsoNormal>none3@pci0:3:0:0:
class=3D0x070102 card=3D0xc1181415 chip=3D0xc1181415 rev=3D0x00 =
hdr=3D0x00<o:p></o:p></p>
<p class=3DMsoNormal> vendor =
=3D 'Oxford
Semiconductor Ltd'<o:p></o:p></p>
<p class=3DMsoNormal> =
class =3D
simple comms<o:p></o:p></p>
<p class=3DMsoNormal> subclass =3D =
parallel port<o:p></o:p></p>
<p =
class=3DMsoNormal>puc0@pci0:3:0:3: &nb=
sp;
class=3D0x070002 card=3D0xc11b1415 chip=3D0xc11b1415 rev=3D0x00 =
hdr=3D0x00<o:p></o:p></p>
<p class=3DMsoNormal> vendor =
=3D 'Oxford
Semiconductor Ltd'<o:p></o:p></p>
<p class=3DMsoNormal> =
class =3D
simple comms<o:p></o:p></p>
<p class=3DMsoNormal> subclass =3D =
UART<o:p></o:p></p>
<p class=3DMsoNormal><o:p> </o:p></p>
<p class=3DMsoNormal>I’m very new to FreeBSD and am not sure if I
approached notification of my findings in the correct way by submitting =
this
followup. In any case, I hope it is helpful since I assume =
it is
hard for the developers to test on every combination of computer and =
card.<o:p></o:p></p>
<p class=3DMsoNormal><o:p> </o:p></p>
<p class=3DMsoNormal>If a new patch is released, I’d be happy to =
test it
out.<o:p></o:p></p>
<p class=3DMsoNormal><o:p> </o:p></p>
<p class=3DMsoNormal>Bill Lortz<o:p></o:p></p>
<p class=3DMsoNormal><o:p> </o:p></p>
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