Commit a65fc53d authored by Timur Tabi's avatar Timur Tabi Committed by Alexandre Courbot
Browse files

gpu: nova-core: support header parsing on Turing/GA100 



The Turing/GA100 version of Booter is slightly different from the
GA102+ version.  The headers are the same, but different fields of
the headers are used to identify the IMEM section.  In addition,
there is an NMEM section on Turing/GA100.

Signed-off-by: default avatarTimur Tabi <ttabi@nvidia.com>
Reviewed-by: default avatarJohn Hubbard <jhubbard@nvidia.com>
Reviewed-by: default avatarGary Guo <gary@garyguo.net>
Acked-by: default avatarDanilo Krummrich <dakr@kernel.org>
Link: https://patch.msgid.link/20260122222848.2555890-4-ttabi@nvidia.com


Signed-off-by: default avatarAlexandre Courbot <acourbot@nvidia.com>
parent b72cb7bc

drivers/gpu/nova-core/firmware/booter.rs

+24 −4
Original line number Diff line number Diff line
@@ -356,14 +356,30 @@ pub(crate) fn new( 
            }

        };



        // There are two versions of Booter, one for Turing/GA100, and another for

        // GA102+.  The extraction of the IMEM sections differs between the two

        // versions.  Unfortunately, the file names are the same, and the headers

        // don't indicate the versions.  The only way to differentiate is by the Chipset.

        let (imem_sec_dst_start, imem_ns_load_target) = if chipset <= Chipset::GA100 {

            (

                app0.offset,

                Some(FalconLoadTarget {

                    src_start: 0,

                    dst_start: load_hdr.os_code_offset,

                    len: load_hdr.os_code_size,

                }),

            )

        } else {

            (0, None)

        };



        Ok(Self {

            imem_sec_load_target: FalconLoadTarget {

                src_start: app0.offset,

                dst_start: 0,

                dst_start: imem_sec_dst_start,

                len: app0.len,

            },

            // Exists only in the booter image for Turing and GA100

            imem_ns_load_target: None,

            imem_ns_load_target,

            dmem_load_target: FalconLoadTarget {

                src_start: load_hdr.os_data_offset,

                dst_start: 0,
@@ -393,9 +409,13 @@ fn brom_params(&self) -> FalconBromParams { 
    }



    fn boot_addr(&self) -> u32 {

        if let Some(ns_target) = &self.imem_ns_load_target {

            ns_target.dst_start

        } else {

            self.imem_sec_load_target.src_start

        }

    }

}



impl Deref for BooterFirmware {

    type Target = DmaObject;