tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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_MAX,
17};
18
19#define MTK_SMI_MMU_EN(port) BIT(port)
20
21struct mtk_smi_larb_iommu {
22 struct device *dev;
23 unsigned int mmu;
24 unsigned char bank[32];
25};
26
27#endif
28
29#endif