smi.h

 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