On Mon, 27 Jul 2026 at 00:29, Beleswar Padhi <[email protected]> wrote: > > The TI K3 R5F and C6x cores can address 48-bit memory space through the > Region Address Translator (RAT) unit. Whereas the TI K3 C7x has a native > 48-bit address bus. RAT is usually programmed from the firmware itself. > Configure the remoteproc device DMA mask to 48 bits to enable full > addressing capability for DMA operations. > > Testing done: > 1. Verified above devices are able to access 48-bit addresses with > compatible firmware. > 2. Verified IPC with Cortex-R5F and C7x DSPs on TI J784S4 EVM. > 3. Verified none of the patch generate any new warning/errors. > > Thanks, > Beleswar > > Rahul T R (2): > remoteproc: k3-r5: Set a 48-bit DMA mask for remoteproc device > remoteproc: k3-dsp: Set a 48-bit DMA mask for remoteproc device > > drivers/remoteproc/ti_k3_dsp_remoteproc.c | 4 ++++ > drivers/remoteproc/ti_k3_r5_remoteproc.c | 4 ++++ > 2 files changed, 8 insertions(+) >
I'll apply this when rc1 comes out. Thanks, Mathieu > -- > 2.34.1 >
