| Message ID | 20201119140850.12268-7-grzegorz.jaszczyk@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add a PRU remoteproc driver | expand |
On Thu, Nov 19, 2020 at 03:08:50PM +0100, Grzegorz Jaszczyk wrote: > From: Suman Anna <s-anna@ti.com> > > The K3 J721E family of SoCs have a revised version of the AM65x ICSSG IP > and contains two instances of this newer ICSSG IP. Each ICSSG processor > subsystem contains 2 primary PRU cores, 2 auxiliary PRU cores called RTUs, > and 2 new auxiliary cores called Transmit PRUs (Tx_PRUs). > > Enhance the existing PRU remoteproc driver to support these new PRU > and RTU cores by using specific compatibles. The cores have the same > memory copying limitations as on AM65x, so reuses the custom memcpy > function within the driver's ELF loader implementation. The initial > names for the firmware images for each PRU core are retrieved from > DT nodes, and can be adjusted through sysfs if required. > > Signed-off-by: Suman Anna <s-anna@ti.com> > Co-developed-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> > Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> > --- > drivers/remoteproc/pru_rproc.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/remoteproc/pru_rproc.c b/drivers/remoteproc/pru_rproc.c > index 48c1c51e0d42..96f689283a8b 100644 > --- a/drivers/remoteproc/pru_rproc.c > +++ b/drivers/remoteproc/pru_rproc.c > @@ -852,6 +852,9 @@ static const struct of_device_id pru_rproc_match[] = { > { .compatible = "ti,am654-pru", .data = &k3_pru_data }, > { .compatible = "ti,am654-rtu", .data = &k3_rtu_data }, > { .compatible = "ti,am654-tx-pru", .data = &k3_tx_pru_data }, > + { .compatible = "ti,j721e-pru", .data = &k3_pru_data }, > + { .compatible = "ti,j721e-rtu", .data = &k3_rtu_data }, > + { .compatible = "ti,j721e-tx-pru", .data = &k3_tx_pru_data }, > {}, > }; > MODULE_DEVICE_TABLE(of, pru_rproc_match); > -- > 2.29.0 >
Hi Mathieu, On Thu, 3 Dec 2020 at 19:53, Mathieu Poirier <mathieu.poirier@linaro.org> wrote: > > On Thu, Nov 19, 2020 at 03:08:50PM +0100, Grzegorz Jaszczyk wrote: > > From: Suman Anna <s-anna@ti.com> > > > > The K3 J721E family of SoCs have a revised version of the AM65x ICSSG IP > > and contains two instances of this newer ICSSG IP. Each ICSSG processor > > subsystem contains 2 primary PRU cores, 2 auxiliary PRU cores called RTUs, > > and 2 new auxiliary cores called Transmit PRUs (Tx_PRUs). > > > > Enhance the existing PRU remoteproc driver to support these new PRU > > and RTU cores by using specific compatibles. The cores have the same > > memory copying limitations as on AM65x, so reuses the custom memcpy > > function within the driver's ELF loader implementation. The initial > > names for the firmware images for each PRU core are retrieved from > > DT nodes, and can be adjusted through sysfs if required. > > > > Signed-off-by: Suman Anna <s-anna@ti.com> > > Co-developed-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> > > Signed-off-by: Grzegorz Jaszczyk <grzegorz.jaszczyk@linaro.org> > > Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org> Thank you for all your review, Grzegorz > > > --- > > drivers/remoteproc/pru_rproc.c | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/drivers/remoteproc/pru_rproc.c b/drivers/remoteproc/pru_rproc.c > > index 48c1c51e0d42..96f689283a8b 100644 > > --- a/drivers/remoteproc/pru_rproc.c > > +++ b/drivers/remoteproc/pru_rproc.c > > @@ -852,6 +852,9 @@ static const struct of_device_id pru_rproc_match[] = { > > { .compatible = "ti,am654-pru", .data = &k3_pru_data }, > > { .compatible = "ti,am654-rtu", .data = &k3_rtu_data }, > > { .compatible = "ti,am654-tx-pru", .data = &k3_tx_pru_data }, > > + { .compatible = "ti,j721e-pru", .data = &k3_pru_data }, > > + { .compatible = "ti,j721e-rtu", .data = &k3_rtu_data }, > > + { .compatible = "ti,j721e-tx-pru", .data = &k3_tx_pru_data }, > > {}, > > }; > > MODULE_DEVICE_TABLE(of, pru_rproc_match); > > -- > > 2.29.0 > >
diff --git a/drivers/remoteproc/pru_rproc.c b/drivers/remoteproc/pru_rproc.c index 48c1c51e0d42..96f689283a8b 100644 --- a/drivers/remoteproc/pru_rproc.c +++ b/drivers/remoteproc/pru_rproc.c @@ -852,6 +852,9 @@ static const struct of_device_id pru_rproc_match[] = { { .compatible = "ti,am654-pru", .data = &k3_pru_data }, { .compatible = "ti,am654-rtu", .data = &k3_rtu_data }, { .compatible = "ti,am654-tx-pru", .data = &k3_tx_pru_data }, + { .compatible = "ti,j721e-pru", .data = &k3_pru_data }, + { .compatible = "ti,j721e-rtu", .data = &k3_rtu_data }, + { .compatible = "ti,j721e-tx-pru", .data = &k3_tx_pru_data }, {}, }; MODULE_DEVICE_TABLE(of, pru_rproc_match);