gpu: nova-core: vbios: Add base support for VBIOS construction and iteration

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Add support for navigating the VBIOS images required for extracting
ucode data for GSP to boot. Later patches will build on this.

Debug log messages will show the BIOS images:

[102141.013287] NovaCore: Found BIOS image at offset 0x0, size: 0xfe00, type: PciAt
[102141.080692] NovaCore: Found BIOS image at offset 0xfe00, size: 0x14800, type: Efi
[102141.098443] NovaCore: Found BIOS image at offset 0x24600, size: 0x5600, type: FwSec
[102141.415095] NovaCore: Found BIOS image at offset 0x29c00, size: 0x60800, type: FwSec

Cc: Alexandre Courbot <acourbot@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Shirish Baskaran <sbaskaran@nvidia.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Timur Tabi <ttabi@nvidia.com>
Cc: Ben Skeggs <bskeggs@nvidia.com>
[ acourbot@nvidia.com: fix clippy warnings, read_more() function ]
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com>
Link: https://lore.kernel.org/r/20250619-nova-frts-v6-17-ecf41ef99252@nvidia.com
[ Replace extend_with() and copy_from_slice() with extend_from_slice();
  re-format and use markdown in comments. - Danilo ]
Signed-off-by: Danilo Krummrich <dakr@kernel.org>

...

This commit is contained in:

Joel Fernandes 2025-06-19 22:24:01 +09:00 • committed by Danilo Krummrich

parent d0c167eb0a

commit 6fda04e7f0

4 changed files with 688 additions and 2 deletions

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4

drivers/gpu/nova-core/firmware.rs

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4

drivers/gpu/nova-core/gpu.rs

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1

drivers/gpu/nova-core/nova_core.rs

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681

drivers/gpu/nova-core/vbios.rs

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