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
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