Ubiquiti EdgeRouter Lite works multi-user with -CURRENT.

[Warner Losh]

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

> On Fri, 17 May 2013 10:52:47 -0700, Juli Mallett <jmallett at FreeBSD.org>
> wrote:
> 
>> On Fri, May 17, 2013 at 10:45 AM, Joe Holden <lists at 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.
>> 
>> 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.
>> 
>> 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.)
>> 
>> 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.)
>> 
>> Thanks,
>> Juli.
> 
> Hi,
> 
> I am trying to compile new kernel to test GPIO pins, however, no
> success for some time - kernel linking ends with error:
> 
> 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
> 
> 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