From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/drivers/iommu/mtk_iommu.h | 57 +++++++++++++++++++++++++++++++++++++++++----------------
1 files changed, 41 insertions(+), 16 deletions(-)
diff --git a/kernel/drivers/iommu/mtk_iommu.h b/kernel/drivers/iommu/mtk_iommu.h
index 62c2c3e..f413546 100644
--- a/kernel/drivers/iommu/mtk_iommu.h
+++ b/kernel/drivers/iommu/mtk_iommu.h
@@ -1,15 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2015-2016 MediaTek Inc.
* Author: Honghui Zhang <honghui.zhang@mediatek.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#ifndef _MTK_IOMMU_H_
@@ -23,21 +15,49 @@
#include <linux/iommu.h>
#include <linux/list.h>
#include <linux/spinlock.h>
+#include <linux/dma-mapping.h>
#include <soc/mediatek/smi.h>
+#include <dt-bindings/memory/mtk-memory-port.h>
+
+#define MTK_LARB_COM_MAX 8
+#define MTK_LARB_SUBCOM_MAX 4
+
+#define MTK_IOMMU_GROUP_MAX 8
struct mtk_iommu_suspend_reg {
- u32 standard_axi_mode;
+ union {
+ u32 standard_axi_mode;/* v1 */
+ u32 misc_ctrl;/* v2 */
+ };
u32 dcm_dis;
u32 ctrl_reg;
u32 int_control0;
u32 int_main_control;
u32 ivrp_paddr;
+ u32 vld_pa_rng;
+ u32 wr_len_ctrl;
};
enum mtk_iommu_plat {
M4U_MT2701,
M4U_MT2712,
+ M4U_MT6779,
+ M4U_MT8167,
M4U_MT8173,
+ M4U_MT8183,
+ M4U_MT8192,
+};
+
+struct mtk_iommu_iova_region;
+
+struct mtk_iommu_plat_data {
+ enum mtk_iommu_plat m4u_plat;
+ u32 flags;
+ u32 inv_sel_reg;
+
+ unsigned int iova_region_nr;
+ const struct mtk_iommu_iova_region *iova_region;
+ unsigned char larbid_remap[MTK_LARB_COM_MAX][MTK_LARB_SUBCOM_MAX];
};
struct mtk_iommu_domain;
@@ -50,15 +70,20 @@
phys_addr_t protect_base; /* protect memory base */
struct mtk_iommu_suspend_reg reg;
struct mtk_iommu_domain *m4u_dom;
- struct iommu_group *m4u_group;
- struct mtk_smi_iommu smi_imu; /* SMI larb iommu info */
+ struct iommu_group *m4u_group[MTK_IOMMU_GROUP_MAX];
bool enable_4GB;
- bool tlb_flush_active;
+ spinlock_t tlb_lock; /* lock for tlb range flush */
struct iommu_device iommu;
- enum mtk_iommu_plat m4u_plat;
+ const struct mtk_iommu_plat_data *plat_data;
+ struct device *smicomm_dev;
+
+ struct dma_iommu_mapping *mapping; /* For mtk_iommu_v1.c */
+
+ struct mutex mutex; /* Protect m4u_group/m4u_dom above */
struct list_head list;
+ struct mtk_smi_larb_iommu larb_imu[MTK_LARB_NR_MAX];
};
static inline int compare_of(struct device *dev, void *data)
@@ -75,14 +100,14 @@
{
struct mtk_iommu_data *data = dev_get_drvdata(dev);
- return component_bind_all(dev, &data->smi_imu);
+ return component_bind_all(dev, &data->larb_imu);
}
static inline void mtk_iommu_unbind(struct device *dev)
{
struct mtk_iommu_data *data = dev_get_drvdata(dev);
- component_unbind_all(dev, &data->smi_imu);
+ component_unbind_all(dev, &data->larb_imu);
}
#endif
--
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