120 lines
3.2 KiB
C
120 lines
3.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#ifndef __EMI_H__
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#define __EMI_H__
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#include <linux/irqreturn.h>
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#define MTK_EMIMPU_NO_PROTECTION 0
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#define MTK_EMIMPU_SEC_RW 1
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#define MTK_EMIMPU_SEC_RW_NSEC_R 2
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#define MTK_EMIMPU_SEC_RW_NSEC_W 3
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#define MTK_EMIMPU_SEC_R_NSEC_R 4
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#define MTK_EMIMPU_FORBIDDEN 5
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#define MTK_EMIMPU_SEC_R_NSEC_RW 6
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#define MTK_EMIMPU_UNLOCK false
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#define MTK_EMIMPU_LOCK true
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#define MTK_EMIMPU_SET 0
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#define MTK_EMIMPU_CLEAR 1
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#define MTK_EMIMPU_READ 2
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#define MTK_EMIMPU_SLVERR 3
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#define MTK_EMIDBG_DUMP 4
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#define MTK_EMIDBG_MSG 5
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#define MTK_EMIMPU_CLEAR_MD 7
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#define MTK_SLBMPU_CLEAR 8
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#define MTK_EMIMPU_CLEAR_KP 9
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#define MTK_EMIMPU_READ_SA 0
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#define MTK_EMIMPU_READ_EA 1
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#define MTK_EMIMPU_READ_APC 2
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#define MTK_EMIMPU_READ_ENABLE 3
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#define MTK_EMIMPU_READ_AID 4
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#define MTK_EMI_MAX_TOKEN 4
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#define MTK_EMI_MAX_CMD_LEN 256
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#define EMIMPUVER1 1
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#define EMIMPUVER2 2
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struct emi_addr_map {
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int emi;
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int channel;
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int rank;
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int bank;
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int row;
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int column;
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};
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struct reg_info_t {
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unsigned int offset;
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unsigned int value;
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unsigned int leng;
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};
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struct vio_dump_info_t {
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unsigned int vio_dump_idx;
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unsigned int vio_dump_pos;
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};
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struct bypass_aix_info_t {
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unsigned int port;
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unsigned int axi_mask;
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unsigned int axi_value;
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};
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struct emimpu_region_t {
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unsigned long long start;
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unsigned long long end;
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unsigned int rg_num;
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bool lock;
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unsigned int *apc;
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};
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typedef irqreturn_t (*emimpu_pre_handler)(
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unsigned int emi_id, struct reg_info_t *dump, unsigned int leng);
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typedef void (*emimpu_post_clear)(unsigned int emi_id);
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typedef void (*emimpu_md_handler)(const char *vio_msg);
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typedef void (*emimpu_iommu_handler)(
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unsigned int emi_id, struct reg_info_t *dump, unsigned int leng);
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typedef void (*emimpu_debug_dump)(void);
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struct emimpu_dbg_cb {
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emimpu_debug_dump func;
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struct emimpu_dbg_cb *next_dbg_cb;
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};
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/* mtk emicen api */
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unsigned int mtk_emicen_get_ch_cnt(void);
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unsigned int mtk_emicen_get_rk_cnt(void);
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unsigned int mtk_emicen_get_rk_size(unsigned int rk_id);
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int mtk_emicen_addr2dram(unsigned long addr, struct emi_addr_map *map);
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/* mtk emidbg api */
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void mtk_emidbg_dump(void);
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/* mtk emimpu api */
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int emimpu_ap_region_init(void);
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int mtk_emimpu_init_region(
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struct emimpu_region_t *rg_info, unsigned int rg_num);
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int mtk_emimpu_set_addr(struct emimpu_region_t *rg_info,
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unsigned long long start, unsigned long long end);
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int mtk_emimpu_set_apc(struct emimpu_region_t *rg_info,
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unsigned int d_num, unsigned int apc);
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int mtk_emimpu_lock_region(struct emimpu_region_t *rg_info, bool lock);
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int mtk_emimpu_set_protection(struct emimpu_region_t *rg_info);
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int mtk_emimpu_free_region(struct emimpu_region_t *rg_info);
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int mtk_emimpu_clear_protection(struct emimpu_region_t *rg_info);
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int mtk_emimpu_prehandle_register(emimpu_pre_handler bypass_func);
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int mtk_emimpu_postclear_register(emimpu_post_clear clear_func);
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int mtk_emimpu_md_handling_register(emimpu_md_handler md_handling_func);
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int mtk_emimpu_debugdump_register(emimpu_debug_dump debug_func);
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int mtk_emimpu_iommu_handling_register(emimpu_iommu_handler iommu_handling_func);
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void mtk_clear_md_violation(void);
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#endif /* __EMI_H__ */
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