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tsec: Changes to the tsec kmd wrt t264

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This change makes the following changes to the tsec kmd to get it
working on t264.

- Add compatible property for t264
- Update dma mask bits for t26x

Jira TSEC-14

Change-Id: If9fe7498f38018a2fed461281aa02865e6db5e7d
Signed-off-by: spatki <spatki@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3341847
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Nikesh Oswal <noswal@nvidia.com>
Reviewed-by: Byungkuk Seo <bseo@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
This commit is contained in:
spatki
2025-04-16 08:04:37 +00:00
committed by Jon Hunter
parent 7b863e3e09
commit 3b9dbf3106
2 changed files with 16 additions and 2 deletions
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13
drivers/video/tegra/tsec/tsec.c
View File

@@ -20,6 +20,7 @@ static struct tsec_device_data t23x_tsec_data = {
.rate = {192000000, 0, 204000000},
.riscv_desc_bin = "tegra23x/nvhost_tsec_desc.fw",
.riscv_image_bin = "tegra23x/nvhost_tsec_riscv.fw",
.dma_mask_bits = 39,
};
MODULE_FIRMWARE("tegra23x/nvhost_tsec_riscv.fw");
MODULE_FIRMWARE("tegra23x/nvhost_tsec_desc.fw");
@@ -28,6 +29,14 @@ static struct tsec_device_data t239_tsec_data = {
.rate = {192000000, 0, 204000000},
.riscv_desc_bin = "tegra239/nvhost_tsec_desc.fw",
.riscv_image_bin = "tegra239/nvhost_tsec_riscv.fw",
.dma_mask_bits = 39,
};
static struct tsec_device_data t264_tsec_data = {
.rate = {192000000, 0, 204000000},
.riscv_desc_bin = "tegra264/nvhost_tsec_desc.fw",
.riscv_image_bin = "tegra264/nvhost_tsec_riscv.fw",
.dma_mask_bits = 48,
};
/*
@@ -317,7 +326,7 @@ static int tsec_module_init(struct platform_device *dev)
void __iomem *regs = NULL;
/* Initialize dma parameters */
dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(39));
dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(pdata->dma_mask_bits));
dev->dev.dma_parms = &pdata->dma_parms;
dma_set_max_seg_size(&dev->dev, UINT_MAX);
@@ -412,6 +421,8 @@ static const struct of_device_id tsec_of_match[] = {
.data = (struct tsec_device_data *)&t23x_tsec_data },
{ .compatible = "nvidia,tegra239-tsec",
.data = (struct tsec_device_data *)&t239_tsec_data },
{ .compatible = "nvidia,tegra264-tsec",
.data = (struct tsec_device_data *)&t264_tsec_data },
{ },
};

5
drivers/video/tegra/tsec/tsec.h
View File

@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2022-2023, NVIDIA CORPORATION. All rights reserved.
* SPDX-FileCopyrightText: Copyright (c) 2022-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*
* Tegra TSEC Module Support
*/
@@ -51,6 +51,9 @@ struct tsec_device_data {
#ifdef CONFIG_DEBUG_FS
struct dentry *debug_root;
#endif /* CONFIG_DEBUG_FS */
/* Number of bits for DMA mask - IOVA/PA number of bits */
u8 dma_mask_bits;
};
/*