> On Jul 6, 2016, at 7:55 AM, Robert Nelson <[email protected]> wrote: > > Okay, starting with r34, (4.4.14-ti-r34/4.4.14-ti-rt-r34) > > You can swap between rproc and uio for the pruss... > > while, uio can be loaded as an overlay, rproc was failing, so we need > to use the dtb-rebuilder... > > Step 1: > > upgrade to r34 and reboot: > > http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#4.4.x-ti > > Step 2: > > Install dtb-rebuilder: > > git clone -b 4.4-ti https://github.com/RobertCNelson/dtb-rebuilder > dtb-4.4-ti --depth=1 > cd ./dtb-4.4-ti/ > > Step 3: (rproc) > > Edit your device tree: > > https://github.com/RobertCNelson/dtb-rebuilder/blob/4.4-ti/src/arm/am335x-bonegreen.dts#L16-L22 > > nano src/arm/am335x-bonegreen.dts > > Change: > /* #include "am33xx-pruss-rproc.dtsi" */ -> #include "am33xx-pruss-rproc.dtsi" > make ; sudo make install > > set blacklist: > > cat /etc/modprobe.d/pruss-blacklist.conf > > blacklist uio_pruss > > and reboot.. > > debian@beaglebone:~$ dmesg | grep pru > [ 3.006675] ti-pruss 4a300000.pruss: creating PRU cores and other > child platform devices > [ 3.007791] irq: no irq domain found for /ocp/pruss@4a300000/intc@4a320000 > ! > [ 3.008351] irq: no irq domain found for /ocp/pruss@4a300000/intc@4a320000 > ! > [ 3.028561] remoteproc1: 4a334000.pru0 is available > [ 3.036995] remoteproc1: Direct firmware load for am335x-pru0-fw > failed with error -2 > [ 3.037020] remoteproc1: failed to load am335x-pru0-fw > [ 3.042449] pru-rproc 4a334000.pru0: booting the PRU core manually > [ 3.042463] remoteproc1: powering up 4a334000.pru0 > [ 3.042529] remoteproc1: Direct firmware load for am335x-pru0-fw > failed with error -2 > [ 3.047670] pru-rproc 4a334000.pru0: rproc_boot failed > [ 3.083760] remoteproc1: releasing 4a334000.pru0 > [ 3.083905] pru-rproc: probe of 4a334000.pru0 failed with error -2 > [ 3.084240] remoteproc1: 4a338000.pru1 is available > [ 3.084464] remoteproc1: Direct firmware load for am335x-pru1-fw > failed with error -2 > [ 3.084482] remoteproc1: failed to load am335x-pru1-fw > [ 3.092879] pru-rproc 4a338000.pru1: booting the PRU core manually > [ 3.092899] remoteproc1: powering up 4a338000.pru1 > [ 3.092979] remoteproc1: Direct firmware load for am335x-pru1-fw > failed with error -2 > [ 3.098136] pru-rproc 4a338000.pru1: rproc_boot failed > [ 3.135593] remoteproc1: releasing 4a338000.pru1 > [ 3.135739] pru-rproc: probe of 4a338000.pru1 failed with error -2 I’m guessing you don’t have the PRU firmware loaded and that I why you are getting these errors?
Regards, John > > > Step 3: (uio) > > Edit your device tree: > > https://github.com/RobertCNelson/dtb-rebuilder/blob/4.4-ti/src/arm/am335x-bonegreen.dts#L24-L32 > > nano src/arm/am335x-bonegreen.dts > > Change: > /* #include "am33xx-pruss-uio.dtsi" */ -> #include "am33xx-pruss-uio.dtsi" > make ; sudo make install > > set blacklist: > > cat /etc/modprobe.d/pruss-blacklist.conf > > blacklist pruss > blacklist pruss_intc > blacklist pru-rproc > > and reboot.. > > debian@beaglebone:~$ dmesg | grep pru > [ 11.582433] pruss_uio 4a300000.pruss: pins are not configured from the > driver > > debian@beaglebone:~$ lsmod | grep uio > uio_pruss 4928 0 > uio_pdrv_genirq 3539 0 > uio 8822 2 uio_pruss,uio_pdrv_genirq > > > Regards, > > -- > Robert Nelson > https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/26EF6E14-E379-4B18-9004-89324266D458%40gmail.com. For more options, visit https://groups.google.com/d/optout.
