mtk-lk/platform/common/include/emi/emi_mpu_v1.h

/* Copyright Statement:
*
* This software/firmware and related documentation ("MediaTek Software") are
* protected under relevant copyright laws. The information contained herein
* is confidential and proprietary to MediaTek Inc. and/or its licensors.
* Without the prior written permission of MediaTek inc. and/or its licensors,
* any reproduction, modification, use or disclosure of MediaTek Software,
* and information contained herein, in whole or in part, shall be strictly prohibited.
*/
/* MediaTek Inc. (C) 2017. All rights reserved.
*
* BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
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*
* The following software/firmware and/or related documentation ("MediaTek Software")
* have been modified by MediaTek Inc. All revisions are subject to any receiver\'s
* applicable license agreements with MediaTek Inc.
*/

#ifndef __EMI_MPU_H__
#define __EMI_MPU_H__

#include <mt_emi_mpu.h>

#define NO_PROTECTION	0
#define SEC_RW		1
#define SEC_RW_NSEC_R	2
#define SEC_RW_NSEC_W	3
#define SEC_R_NSEC_R	4
#define FORBIDDEN	5
#define SEC_R_NSEC_RW	6

#define LOCK		1
#define UNLOCK		0

#define EMI_MPU_DGROUP_NUM	(EMI_MPU_DOMAIN_NUM / 8)
#if (EMI_MPU_DGROUP_NUM == 1)
#define SET_ACCESS_PERMISSION(apc_ary, lock, d7, d6, d5, d4, d3, d2, d1, d0) \
do { \
	apc_ary[0] = \
		(((unsigned int)  d7) << 21) | (((unsigned int)  d6) << 18) | (((unsigned int)  d5) << 15) | \
		(((unsigned int)  d4) << 12) | (((unsigned int)  d3) <<  9) | (((unsigned int)  d2) <<  6) | \
		(((unsigned int)  d1) <<  3) |  ((unsigned int)  d0) | ((unsigned int) lock << 31); \
} while (0)
#elif (EMI_MPU_DGROUP_NUM == 2)
#define SET_ACCESS_PERMISSION(apc_ary, lock, d15, d14, d13, d12, d11, d10, d9, d8, d7, d6, d5, d4, d3, d2, d1, d0) \
do { \
	apc_ary[1] = \
		(((unsigned int) d15) << 21) | (((unsigned int) d14) << 18) | (((unsigned int) d13) << 15) | \
		(((unsigned int) d12) << 12) | (((unsigned int) d11) <<  9) | (((unsigned int) d10) <<  6) | \
		(((unsigned int)  d9) <<  3) |  ((unsigned int)  d8); \
	apc_ary[0] = \
		(((unsigned int)  d7) << 21) | (((unsigned int)  d6) << 18) | (((unsigned int)  d5) << 15) | \
		(((unsigned int)  d4) << 12) | (((unsigned int)  d3) <<  9) | (((unsigned int)  d2) <<  6) | \
		(((unsigned int)  d1) <<  3) |  ((unsigned int)  d0) | ((unsigned int) lock << 31); \
} while (0)
#endif

struct emi_region_info_t {
	unsigned long long start;
	unsigned long long end;
	unsigned int region;
	unsigned int apc[EMI_MPU_DGROUP_NUM];
};

int emi_mpu_set_protection(struct emi_region_info_t *region_info);
int emi_mpu_clear_protection(struct emi_region_info_t *region_info);

#endif /* __EMI_MPU_H__ */