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gpu: nova-core: add ImemNonSecure section infrastructure

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The GSP booter firmware in Turing and GA100 includes a third memory
section called ImemNonSecure, which is non-secure IMEM.  This section
must be loaded separately from DMEM and secure IMEM, but only if it
actually exists.

Signed-off-by: Timur Tabi <ttabi@nvidia.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Link: https://patch.msgid.link/20260122222848.2555890-3-ttabi@nvidia.com
[acourbot@nvidia.com: add `debug_assert`.]
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
This commit is contained in:
Timur Tabi
2026-01-22 16:28:37 -06:00
committed by Alexandre Courbot
parent 0975002be5
commit b72cb7bcc2
3 changed files with 32 additions and 2 deletions
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9
drivers/gpu/nova-core/firmware/booter.rs
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@@ -253,6 +253,9 @@ impl<'a> FirmwareSignature<BooterFirmware> for BooterSignature<'a> {}
pub(crate) struct BooterFirmware {
// Load parameters for Secure `IMEM` falcon memory.
imem_sec_load_target: FalconLoadTarget,
// Load parameters for Non-Secure `IMEM` falcon memory,
// used only on Turing and GA100
imem_ns_load_target: Option<FalconLoadTarget>,
// Load parameters for `DMEM` falcon memory.
dmem_load_target: FalconLoadTarget,
// BROM falcon parameters.
@@ -359,6 +362,8 @@ impl BooterFirmware {
dst_start: 0,
len: app0.len,
},
// Exists only in the booter image for Turing and GA100
imem_ns_load_target: None,
dmem_load_target: FalconLoadTarget {
src_start: load_hdr.os_data_offset,
dst_start: 0,
@@ -375,6 +380,10 @@ impl FalconLoadParams for BooterFirmware {
self.imem_sec_load_target.clone()
}
fn imem_ns_load_params(&self) -> Option<FalconLoadTarget> {
self.imem_ns_load_target.clone()
}
fn dmem_load_params(&self) -> FalconLoadTarget {
self.dmem_load_target.clone()
}