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