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Date:      Mon, 20 May 2013 07:25:30 -0600
From:      Warner Losh <imp@bsdimp.com>
To:        Milan Obuch <freebsd-mips@dino.sk>
Cc:        Aleksandr Rybalko <ray@ddteam.net>, freebsd-mips@freebsd.org
Subject:   Re: Ubiquiti EdgeRouter Lite works multi-user with -CURRENT.
Message-ID:  <D1F45DEB-3C3C-42D1-8EDE-94B18AB32152@bsdimp.com>
In-Reply-To: <20130520110659.1d1d2165@zeta.dino.sk>
References:  <CACVs6=_UHMvo6DSyXzvXxJ0eCcSsC%2Bk3yZ42ia5TGzgHduT2zA@mail.gmail.com> <20130516111059.38543d57@wind.dino.sk> <20130516131642.adfae355aa3bf7767e9b56e5@ddteam.net> <20130516124248.33ae4e05@wind.dino.sk> <51952112.9010607@rewt.org.uk> <20130517192206.5db0533f@zeta.dino.sk> <51966CB6.2040701@rewt.org.uk> <CACVs6=-0URQ2f7UqVxRdpuGpf103KOW9CTF6FFCGaGhvg3jOMw@mail.gmail.com> <20130520110659.1d1d2165@zeta.dino.sk>

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On May 20, 2013, at 3:06 AM, Milan Obuch wrote:

> On Fri, 17 May 2013 10:52:47 -0700, Juli Mallett =
<jmallett@FreeBSD.org>
> wrote:
>=20
>> On Fri, May 17, 2013 at 10:45 AM, Joe Holden <lists@rewt.org.uk>
>> wrote:
>>> 16 possible pins on the controller?  There is only one pin on the
>>> board, and that is the F/D button on the back.
>>=20
>> Octeon supports up to 16 GPIO pins and interrupts.  I'd suspect there
>> are other things connected up with GPIO on-board than GPIO pins
>> exposed to the outside world, but even if that's not the case, that's
>> still the number of GPIO pins the SoC supports.
>>=20
>> It's possible that the EdgeRouter Lite uses a different pin for its
>> F/D button.  According to the driver, gonzo used the CAM-0100's pin
>> assignment as the default.  It should be easy to extract a list of =
pin
>> assignments we care about from looking at the patches from Ubiquiti =
to
>> the Simple Executive and Linux, but I haven't looked personally.  (I
>> don't ever use GPIO on Octeon.)
>>=20
>> The octeon_gpio_pins array probably needs to be configured at boot
>> based on board type.  (So it should normally be 16 items (or 16 plus =
a
>> terminator) and get filled out by board type, I'd say.)
>>=20
>> Thanks,
>> Juli.
>=20
> Hi,
>=20
> I am trying to compile new kernel to test GPIO pins, however, no
> success for some time - kernel linking ends with error:
>=20
> linking kernel.debug
> ld: kernel.debug: warning: allocated section `.sdata' not in segment
> ethernet-common.o: In function `cvm_assign_mac_address':
> /usr/src/sys/mips/cavium/octe/ethernet-common.c:110: undefined
> reference to
> `cvmx_mgmt_port_num_ports' =
/usr/src/sys/mips/cavium/octe/ethernet-common.c:110:
> relocation truncated to fit: R_MIPS_26 against
> `cvmx_mgmt_port_num_ports' *** Error code 1
>=20
> Searching in /sys/mips/cavium for cvmx_mgmt_port_num_ports is not
> successfull - any insight here?

This is in the sys/contrib/octeon-sdk tree. I've built kernels since =
then.

Warner=



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