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b7dc179ec8
Add helper code for booting RISC-V based engines where firmware is located in a carveout. Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com> Signed-off-by: Thierry Reding <treding@nvidia.com>
30 lines
694 B
C
30 lines
694 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2022, NVIDIA Corporation.
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*/
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#ifndef DRM_TEGRA_RISCV_H
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#define DRM_TEGRA_RISCV_H
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struct tegra_drm_riscv_descriptor {
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u32 manifest_offset;
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u32 code_offset;
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u32 code_size;
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u32 data_offset;
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u32 data_size;
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};
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struct tegra_drm_riscv {
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/* User initializes */
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struct device *dev;
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void __iomem *regs;
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struct tegra_drm_riscv_descriptor bl_desc;
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struct tegra_drm_riscv_descriptor os_desc;
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};
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int tegra_drm_riscv_read_descriptors(struct tegra_drm_riscv *riscv);
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int tegra_drm_riscv_boot_bootrom(struct tegra_drm_riscv *riscv, phys_addr_t image_address,
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u32 gscid, const struct tegra_drm_riscv_descriptor *desc);
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#endif
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