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 14enum 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 22struct 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