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284ad706ad
This commit adds support for the GB20x GPUs found on GeForce RTX 50xx series boards. Beyond a few miscellaneous register moves and HW class ID plumbing, this reuses most of the code added to support GH100/GB10x. Signed-off-by: Ben Skeggs <bskeggs@nvidia.com> Reviewed-by: Dave Airlie <airlied@redhat.com> Reviewed-by: Timur Tabi <ttabi@nvidia.com> Tested-by: Timur Tabi <ttabi@nvidia.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
45 lines
988 B
C
45 lines
988 B
C
/* SPDX-License-Identifier: MIT
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*
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* Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
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*/
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#include "priv.h"
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#include <nvhw/drf.h>
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#include <nvhw/ref/gb202/dev_therm.h>
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static int
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gb202_fsp_wait_secure_boot(struct nvkm_fsp *fsp)
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{
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struct nvkm_device *device = fsp->subdev.device;
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unsigned timeout_ms = 4000;
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do {
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u32 status = NVKM_RD32(device, NV_THERM, I2CS_SCRATCH, FSP_BOOT_COMPLETE_STATUS);
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if (status == NV_THERM_I2CS_SCRATCH_FSP_BOOT_COMPLETE_STATUS_SUCCESS)
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return 0;
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usleep_range(1000, 2000);
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} while (timeout_ms--);
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return -ETIMEDOUT;
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}
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static const struct nvkm_fsp_func
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gb202_fsp = {
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.wait_secure_boot = gb202_fsp_wait_secure_boot,
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.cot = {
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.version = 2,
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.size_hash = 48,
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.size_pkey = 97,
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.size_sig = 96,
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.boot_gsp_fmc = gh100_fsp_boot_gsp_fmc,
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},
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};
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int
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gb202_fsp_new(struct nvkm_device *device,
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enum nvkm_subdev_type type, int inst, struct nvkm_fsp **pfsp)
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{
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return nvkm_fsp_new_(&gb202_fsp, device, type, inst, pfsp);
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}
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