From bb3b2cfeb206f5b10b859e134651b54120e3f530 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 30 Jun 2026 18:05:56 +0100 Subject: ARM: 9480/1: entry: expand comment in __switch_to As per discussion between the developers in the mail thread linked, expand the comment in __switch_to so that readers of the code understand what is going on. Suggested-by: Mark Rutland Acked-by: Mark Rutland Signed-off-by: Linus Walleij > Signed-off-by: Russell King --- include/soc/mediatek/smi.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 include/soc/mediatek/smi.h (limited to 'include/soc/mediatek') diff --git a/include/soc/mediatek/smi.h b/include/soc/mediatek/smi.h new file mode 100644 index 000000000..000eb1cf6 --- /dev/null +++ b/include/soc/mediatek/smi.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2015-2016 MediaTek Inc. + * Author: Yong Wu + */ +#ifndef MTK_IOMMU_SMI_H +#define MTK_IOMMU_SMI_H + +#include +#include + +#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 -- cgit v1.3.1