| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright (c) 2015-2016 MediaTek Inc. |
| * Author: Yong Wu <yong.wu@mediatek.com> |
| */ |
| #ifndef MTK_IOMMU_SMI_H |
| #define MTK_IOMMU_SMI_H |
| |
| #include <linux/bitops.h> |
| #include <linux/device.h> |
| |
| #if IS_ENABLED(CONFIG_MTK_SMI) |
| |
| enum iommu_atf_cmd { |
| IOMMU_ATF_CMD_CONFIG_SMI_LARB, /* For mm master to en/disable iommu */ |
| IOMMU_ATF_CMD_CONFIG_INFRA_IOMMU, /* For infra master to enable iommu */ |
| IOMMU_ATF_CMD_MAX, |
| }; |
| |
| #define MTK_SMI_MMU_EN(port) BIT(port) |
| |
| struct mtk_smi_larb_iommu { |
| struct device *dev; |
| unsigned int mmu; |
| unsigned char bank[32]; |
| }; |
| |
| #endif |
| |
| #endif |
