src/soc/samsung/exynos5420/trustzone.h

/*
 * This file is part of the coreboot project.
 *
 * Copyright 2013 Google Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef CPU_SAMSUNG_EXYNOS5420_TRUSTZONE_H
#define CPU_SAMSUNG_EXYNOS5420_TRUSTZONE_H

#include <stdint.h>

/* Distance between each Trust Zone PC register set */
#define TZPC_BASE_OFFSET		0x10000
/* TZPC : Register Offsets */
#define TZPC0_BASE		0x10100000
#define TZPC1_BASE		0x10110000
#define TZPC2_BASE		0x10120000
#define TZPC3_BASE		0x10130000
#define TZPC4_BASE		0x10140000
#define TZPC5_BASE		0x10150000
#define TZPC6_BASE		0x10160000
#define TZPC7_BASE		0x10170000
#define TZPC8_BASE		0x10180000
#define TZPC9_BASE		0x10190000
#define TZPC10_BASE		0x100E0000
#define TZPC11_BASE		0x100F0000

/*
 * TZPC Register Value :
 * R0SIZE: 0x0 : Size of secured ram
 */
#define R0SIZE			0x0

/*
 * TZPC Decode Protection Register Value :
 * DECPROTXSET: 0xFF : Set Decode region to non-secure
 */
#define DECPROTXSET		0xFF

struct exynos_tzpc {
	u32 r0size;
	u8 res1[0x7FC];
	u32 decprot0stat;
	u32 decprot0set;
	u32 decprot0clr;
	u32 decprot1stat;
	u32 decprot1set;
	u32 decprot1clr;
	u32 decprot2stat;
	u32 decprot2set;
	u32 decprot2clr;
	u32 decprot3stat;
	u32 decprot3set;
	u32 decprot3clr;
	u8 res2[0x7B0];
	u32 periphid0;
	u32 periphid1;
	u32 periphid2;
	u32 periphid3;
	u32 pcellid0;
	u32 pcellid1;
	u32 pcellid2;
	u32 pcellid3;
};

void trustzone_init(void);

#endif	/* CPU_SAMSUNG_EXYNOS5420_TRUSTZONE_H */