Commit c5c0cfa6 authored by Joel Fernandes's avatar Joel Fernandes Committed by Alexandre Courbot
Browse files

gpu: nova-core: falcon: Move start functionality into separate helper 



Move start functionality into a separate helper so we can use it from
the sequencer.

Reviewed-by: default avatarLyude Paul <lyude@redhat.com>
Signed-off-by: default avatarJoel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: default avatarAlexandre Courbot <acourbot@nvidia.com>
Message-ID: <20251114195552.739371-3-joelagnelf@nvidia.com>
parent 2d981773

drivers/gpu/nova-core/falcon.rs

+16 −10
Original line number Diff line number Diff line
@@ -564,7 +564,21 @@ pub(crate) fn wait_till_halted(&self, bar: &Bar0) -> Result<()> { 
        Ok(())

    }



    /// Runs the loaded firmware and waits for its completion.

    /// Start the falcon CPU.

    pub(crate) fn start(&self, bar: &Bar0) -> Result<()> {

        match regs::NV_PFALCON_FALCON_CPUCTL::read(bar, &E::ID).alias_en() {

            true => regs::NV_PFALCON_FALCON_CPUCTL_ALIAS::default()

                .set_startcpu(true)

                .write(bar, &E::ID),

            false => regs::NV_PFALCON_FALCON_CPUCTL::default()

                .set_startcpu(true)

                .write(bar, &E::ID),

        }



        Ok(())

    }



    /// Start running the loaded firmware.

    ///

    /// `mbox0` and `mbox1` are optional parameters to write into the `MBOX0` and `MBOX1` registers

    /// prior to running.
@@ -589,15 +603,7 @@ pub(crate) fn boot( 
                .write(bar, &E::ID);

        }



        match regs::NV_PFALCON_FALCON_CPUCTL::read(bar, &E::ID).alias_en() {

            true => regs::NV_PFALCON_FALCON_CPUCTL_ALIAS::default()

                .set_startcpu(true)

                .write(bar, &E::ID),

            false => regs::NV_PFALCON_FALCON_CPUCTL::default()

                .set_startcpu(true)

                .write(bar, &E::ID),

        }



        self.start(bar)?;

        self.wait_till_halted(bar)?;



        let (mbox0, mbox1) = (