1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (c) 2015-2016 MediaTek Inc. |
4 | * Author: Yong Wu <yong.wu@mediatek.com> |
5 | */ |
6 | #ifndef MTK_IOMMU_SMI_H |
7 | #define MTK_IOMMU_SMI_H |
8 | |
9 | #include <linux/bitops.h> |
10 | #include <linux/device.h> |
11 | |
12 | #if IS_ENABLED(CONFIG_MTK_SMI) |
13 | |
14 | enum iommu_atf_cmd { |
15 | IOMMU_ATF_CMD_CONFIG_SMI_LARB, /* For mm master to en/disable iommu */ |
16 | IOMMU_ATF_CMD_CONFIG_INFRA_IOMMU, /* For infra master to enable iommu */ |
17 | IOMMU_ATF_CMD_MAX, |
18 | }; |
19 | |
20 | #define MTK_SMI_MMU_EN(port) BIT(port) |
21 | |
22 | struct mtk_smi_larb_iommu { |
23 | struct device *dev; |
24 | unsigned int mmu; |
25 | unsigned char bank[32]; |
26 | }; |
27 | |
28 | #endif |
29 | |
30 | #endif |
31 | |