mtk-lk/platform/common/include/etb.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) 2016. All rights reserved.
*
* BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
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*/

#ifndef __ETB_H__
#define __ETB_H__

#define MAX_NR_ETB 20
#define ETB_USER_TYPE 8

struct cfg_etb {
	unsigned long base;
	unsigned int support_multi_user;
};

struct plt_cfg_etb {
	unsigned int nr_etb;
	unsigned long total_etb_sz; /* in byte */
	unsigned long dem_base;
	struct cfg_etb etb[];
};

extern const struct plt_cfg_etb cfg_etb;

#define DEM_ATB_CLK 0x70
/* ETB registers, "CoreSight Components TRM", 9.3 */
#define ETB_DEPTH       0x04
#define ETB_STATUS      0x0c
#define ETB_READMEM     0x10
#define ETB_READADDR        0x14
#define ETB_WRITEADDR       0x18
#define ETB_TRIGGERCOUNT    0x1c
#define ETB_CTRL        0x20
#define ETB_FFSR        0x300
#define ETB_LAR         0xfb0
#define ETB_LSR         0xfb4

#define ETB_UNLOCK_MAGIC    0xc5acce55

#define CIRC_CNT(head,tail,size) (((head) - (tail)) & ((size)-1))

#endif