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Architecturally, it's an Ampere. However, it uses the same GSP-RM boot process as a Turing. Its VBIOS, for whatever reason, has an IFR header that precedes the PCI ROM header and must be skipped. In addition, the FRTS window size must be set to 0 just because it's a GA100. So add all the missing code that GA100 needs to be supported. There was some infrastructure already for GA100 (e.g. the FbHal), but it was incomplete. Changes in v3: 1) Cleaned up some comments 2) Move IFR header parser into its own function 3) Added register! entries for FIXED0, FIXED1, and FIXED2. 4) Replaced usize_as_u64() with u64:: Timur Tabi (6): gpu: nova-core: use correct fwsignature for GA100 gpu: nova-core: do not consider 0xBB77 as a valid PCI ROM header signature gpu: nova-core: only boot FRTS if its region is allocated gpu: nova-core: add FbHal::frts_size() for GA100 support gpu: nova-core: skip the IFR header if present gpu: nova-core: enable GA100 drivers/gpu/nova-core/falcon/hal.rs | 2 +- drivers/gpu/nova-core/fb.rs | 6 +-- drivers/gpu/nova-core/fb/hal.rs | 3 ++ drivers/gpu/nova-core/fb/hal/ga100.rs | 6 +++ drivers/gpu/nova-core/fb/hal/ga102.rs | 4 ++ drivers/gpu/nova-core/fb/hal/tu102.rs | 11 ++++- drivers/gpu/nova-core/firmware/gsp.rs | 3 +- drivers/gpu/nova-core/gsp/boot.rs | 5 ++- drivers/gpu/nova-core/regs.rs | 21 +++++++++ drivers/gpu/nova-core/vbios.rs | 63 ++++++++++++++++++++++++++- 10 files changed, 114 insertions(+), 10 deletions(-) base-commit: 8884dbc1fd174315b406027375bb7a4b211a8fae -- 2.53.0