diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/fsl_sec_mon.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/fsl_sec_mon.h b/include/fsl_sec_mon.h new file mode 100644 index 0000000000..b6794cefcc --- /dev/null +++ b/include/fsl_sec_mon.h @@ -0,0 +1,58 @@ +/* + * 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 */ |