[people/ms/u-boot.git] / include / fsl_sec_mon.h

/*
 * Common internal memory map for some Freescale SoCs
 *
 * Copyright 2015 Freescale Semiconductor, Inc.
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __FSL_SEC_MON_H
#define __FSL_SEC_MON_H

#include <common.h>
#include <asm/io.h>

#ifdef CONFIG_SYS_FSL_SEC_MON_LE
#define sec_mon_in32(a)       in_le32(a)
#define sec_mon_out32(a, v)   out_le32(a, v)
#define sec_mon_in16(a)       in_le16(a)
#define sec_mon_clrbits32     clrbits_le32
#define sec_mon_setbits32     setbits_le32
#elif defined(CONFIG_SYS_FSL_SEC_MON_BE)
#define sec_mon_in32(a)       in_be32(a)
#define sec_mon_out32(a, v)   out_be32(a, v)
#define sec_mon_in16(a)       in_be16(a)
#define sec_mon_clrbits32     clrbits_be32
#define sec_mon_setbits32     setbits_be32
#else
#error Neither CONFIG_SYS_FSL_SEC_MON_LE nor CONFIG_SYS_FSL_SEC_MON_BE defined
#endif

struct ccsr_sec_mon_regs {
	u8 reserved0[0x04];
	u32 hp_com;	/* 0x04 SEC_MON_HP Command Register */
	u8 reserved2[0x0c];
	u32 hp_stat;	/* 0x08 SEC_MON_HP Status Register */
};

#define HPCOMR_SW_SV 0x100		/* Security Violation bit */
#define HPCOMR_SW_FSV 0x200		/* Fatal Security Violation bit */
#define HPCOMR_SSM_ST 0x1		/* SSM_ST field in SEC_MON command */
#define HPSR_SSM_ST_CHECK	0x900	/* SEC_MON is in check state */
#define HPSR_SSM_ST_NON_SECURE	0xb00	/* SEC_MON is in non secure state */
#define HPSR_SSM_ST_TRUST	0xd00	/* SEC_MON is in trusted state */
#define HPSR_SSM_ST_SOFT_FAIL	0x300	/* SEC_MON is in soft fail state */
#define HPSR_SSM_ST_MASK	0xf00	/* Mask for SSM_ST field */

/*
 * SEC_MON read. This specifies the possible reads
 * from the SEC_MON
 */
enum {
	SEC_MON_SSM_ST,
	SEC_MON_SW_FSV,
	SEC_MON_SW_SV,
};

int change_sec_mon_state(uint32_t initial_state, uint32_t final_state);

#endif /* __FSL_SEC_MON_H */
Commit	Line	Data
fe78378d	1	/*
	2	* Common internal memory map for some Freescale SoCs
	3	*
	4	* Copyright 2015 Freescale Semiconductor, Inc.
	5	* SPDX-License-Identifier: GPL-2.0+
	6	*/
	7
	8	#ifndef __FSL_SEC_MON_H
	9	#define __FSL_SEC_MON_H
	10
	11	#include <common.h>
	12	#include <asm/io.h>
	13
	14	#ifdef CONFIG_SYS_FSL_SEC_MON_LE
	15	#define sec_mon_in32(a) in_le32(a)
	16	#define sec_mon_out32(a, v) out_le32(a, v)
	17	#define sec_mon_in16(a) in_le16(a)
	18	#define sec_mon_clrbits32 clrbits_le32
	19	#define sec_mon_setbits32 setbits_le32
	20	#elif defined(CONFIG_SYS_FSL_SEC_MON_BE)
	21	#define sec_mon_in32(a) in_be32(a)
	22	#define sec_mon_out32(a, v) out_be32(a, v)
	23	#define sec_mon_in16(a) in_be16(a)
	24	#define sec_mon_clrbits32 clrbits_be32
	25	#define sec_mon_setbits32 setbits_be32
	26	#else
	27	#error Neither CONFIG_SYS_FSL_SEC_MON_LE nor CONFIG_SYS_FSL_SEC_MON_BE defined
	28	#endif
	29
	30	struct ccsr_sec_mon_regs {
	31	u8 reserved0[0x04];
	32	u32 hp_com; /* 0x04 SEC_MON_HP Command Register */
	33	u8 reserved2[0x0c];
	34	u32 hp_stat; /* 0x08 SEC_MON_HP Status Register */
	35	};
	36
	37	#define HPCOMR_SW_SV 0x100 /* Security Violation bit */
	38	#define HPCOMR_SW_FSV 0x200 /* Fatal Security Violation bit */
	39	#define HPCOMR_SSM_ST 0x1 /* SSM_ST field in SEC_MON command */
	40	#define HPSR_SSM_ST_CHECK 0x900 /* SEC_MON is in check state */
	41	#define HPSR_SSM_ST_NON_SECURE 0xb00 /* SEC_MON is in non secure state */
	42	#define HPSR_SSM_ST_TRUST 0xd00 /* SEC_MON is in trusted state */
	43	#define HPSR_SSM_ST_SOFT_FAIL 0x300 /* SEC_MON is in soft fail state */
	44	#define HPSR_SSM_ST_MASK 0xf00 /* Mask for SSM_ST field */
	45
	46	/*
	47	* SEC_MON read. This specifies the possible reads
	48	* from the SEC_MON
	49	*/
	50	enum {
	51	SEC_MON_SSM_ST,
	52	SEC_MON_SW_FSV,
	53	SEC_MON_SW_SV,
	54	};
	55
	56	int change_sec_mon_state(uint32_t initial_state, uint32_t final_state);
	57
	58	#endif /* __FSL_SEC_MON_H */