The kernel I'm using by the way . . .
$ uname -a
Linux beaglebone 4.1.9-bone-rt-r16 #1 Thu Oct 1 06:19:41 UTC 2015 armv7l
GNU/Linux
$ ls /dev/ |grep uio
uio
uio0
uio1
uio2
uio3
uio4
uio5
uio6
uio7
$ ./lsuio
uio7: name=pruss_evt7, version=1.0, events=0
map[0]: addr=0x4A300000, size=524288
map[1]: addr=0x9E880000, size=262144
uio6: name=pruss_evt6, version=1.0, events=0
map[0]: addr=0x4A300000, size=524288
map[1]: addr=0x9E880000, size=262144
uio5: name=pruss_evt5, version=1.0, events=0
map[0]: addr=0x4A300000, size=524288
map[1]: addr=0x9E880000, size=262144
uio4: name=pruss_evt4, version=1.0, events=0
map[0]: addr=0x4A300000, size=524288
map[1]: addr=0x9E880000, size=262144
uio3: name=pruss_evt3, version=1.0, events=0
map[0]: addr=0x4A300000, size=524288
map[1]: addr=0x9E880000, size=262144
uio2: name=pruss_evt2, version=1.0, events=0
map[0]: addr=0x4A300000, size=524288
map[1]: addr=0x9E880000, size=262144
uio1: name=pruss_evt1, version=1.0, events=0
map[0]: addr=0x4A300000, size=524288
map[1]: addr=0x9E880000, size=262144
uio0: name=pruss_evt0, version=1.0, events=0
map[0]: addr=0x4A300000, size=524288
map[1]: addr=0x9E880000, size=262144
On Fri, Nov 20, 2015 at 2:59 PM, William Hermans <[email protected]> wrote:
> The TI kernels have remoteproc enabled in the kernel, which will interfere
> with uio_pruss. You need to switch to a *bone* kernel.
>
> On Fri, Nov 20, 2015 at 9:59 AM, Erik Stauber <[email protected]>
> wrote:
>
>> I'm trying to migrate to 4.1 from 3.8, and it seems as if the PRU is up
>> and running on the latest 4.1 kernel. However, a difference is the I'm not
>> getting the 8 uioX (x=0-8) entries in the /dev directory, and therefore the
>> prussdrv library errors out when it can't find those files.
>>
>> The prussdrv is looking for this:
>> sprintf(name, "/dev/uio%d", host_interrupt);
>>
>> The dmesg output on 4.1.13-ti-r33 reports that it is skipping intr
>> mapping...
>>
>> *[ 20.830764] pru-rproc 4a334000.pru0: version 0 event_chnl_map_size 1
>> event_chnl_map 0000039c*
>> *[ 20.830799] pru-rproc 4a334000.pru0: sysevt-to-ch[60] -> 0*
>> *[ 20.830812] pru-rproc 4a334000.pru0: chnl-to-host[0] -> 0*
>> *[ 20.830823] pru-rproc 4a334000.pru0: skip intr mapping for chnl 1*
>> *[ 20.830833] pru-rproc 4a334000.pru0: skip intr mapping for chnl 2*
>> *[ 20.830844] pru-rproc 4a334000.pru0: skip intr mapping for chnl 3*
>> *[ 20.830854] pru-rproc 4a334000.pru0: skip intr mapping for chnl 4*
>> *[ 20.830864] pru-rproc 4a334000.pru0: skip intr mapping for chnl 5*
>> *[ 20.830875] pru-rproc 4a334000.pru0: skip intr mapping for chnl 6*
>> *[ 20.830885] pru-rproc 4a334000.pru0: skip intr mapping for chnl 7*
>> *[ 20.830896] pru-rproc 4a334000.pru0: skip intr mapping for chnl 8*
>> *[ 20.830906] pru-rproc 4a334000.pru0: skip intr mapping for chnl 9*
>>
>> Does anyone know how to not skip that? Or a way for me to map them
>> manually?
>>
>> Thanks,
>> Erik
>>
>>
>> --
>> For more options, visit http://beagleboard.org/discuss
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>
>
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