BKEY driver APIs

BKEY driver APIs. More...

Typedefs
typedef enum bkey_lock_type	bkey_lock_type_t
	Lock type. More...

Enumerations
enum	bkey_lock_type { bkey_lock_write = BKEY_ECC_WLOCK_MASK , bkey_lock_read = BKEY_ECC_RLOCK_MASK , bkey_lock_both = BKEY_ECC_RLOCK_MASK | BKEY_ECC_WLOCK_MASK }
	Lock type. More...

Functions
static void	bkey_set_key_data (BKEY_Type *ptr, uint8_t key, uint8_t start, uint32_t *data, uint8_t size)
	bkey set key content More...
static void	bkey_get_key_data (BKEY_Type *ptr, uint8_t key, uint8_t start, uint32_t *data, uint8_t size)
	bkey fetch key content More...
static void	bkey_lock (BKEY_Type *ptr, uint8_t key, bkey_lock_type_t lock, uint16_t ecc)
	bkey lock key More...
static void	bkey_select_key (BKEY_Type *ptr, uint8_t key)
	bkey select key More...

Detailed Description

BKEY driver APIs.

Typedef Documentation

bkey_lock_type_t

typedef enum bkey_lock_type bkey_lock_type_t

#include </home/docs/checkouts/readthedocs.org/user_builds/hpm-sdk-zh/checkouts/latest/drivers/inc/hpm_bkey_drv.h>

Lock type.

Enumeration Type Documentation

bkey_lock_type

enum bkey_lock_type

#include </home/docs/checkouts/readthedocs.org/user_builds/hpm-sdk-zh/checkouts/latest/drivers/inc/hpm_bkey_drv.h>

Lock type.

Enumerator
bkey_lock_write
bkey_lock_read
bkey_lock_both

Function Documentation

bkey_get_key_data()

static void bkey_get_key_data ( BKEY_Type *  ptr, uint8_t  key, uint8_t  start, uint32_t *  data, uint8_t  size  )

inlinestatic

#include </home/docs/checkouts/readthedocs.org/user_builds/hpm-sdk-zh/checkouts/latest/drivers/inc/hpm_bkey_drv.h>

bkey fetch key content

Fetch key content

Parameters

[in]	ptr	BKEY base address
[in]	key	key index
[in]	start	key content data start index
[in]	data	pointer of buffer to received key content
[in]	size	data total size in 32-bit

bkey_lock()

static void bkey_lock ( BKEY_Type *  ptr, uint8_t  key, bkey_lock_type_t  lock, uint16_t  ecc  )

inlinestatic

#include </home/docs/checkouts/readthedocs.org/user_builds/hpm-sdk-zh/checkouts/latest/drivers/inc/hpm_bkey_drv.h>

bkey lock key

Feed correct ecc data of current key content and lock it

Parameters

[in]	ptr	BKEY base address
[in]	key	key index
[in]	lock	lock type
[in]	ecc	ecc value of current key content

bkey_select_key()

static void bkey_select_key ( BKEY_Type *  ptr, uint8_t  key  )

inlinestatic

#include </home/docs/checkouts/readthedocs.org/user_builds/hpm-sdk-zh/checkouts/latest/drivers/inc/hpm_bkey_drv.h>

bkey select key

Select which key to use

Parameters

[in]	ptr	BKEY base address
[in]	key	key index 0 select key0 in secure mode, key1 in non-secure mode 1 select key1 in secure or non-secure mode

bkey_set_key_data()

static void bkey_set_key_data ( BKEY_Type *  ptr, uint8_t  key, uint8_t  start, uint32_t *  data, uint8_t  size  )

inlinestatic

#include </home/docs/checkouts/readthedocs.org/user_builds/hpm-sdk-zh/checkouts/latest/drivers/inc/hpm_bkey_drv.h>

bkey set key content

Program key content

Parameters

[in]	ptr	BKEY base address
[in]	key	Key index
[in]	start	Key content data start index
[in]	data	pointer of actual data to be programmed
[in]	size	data total size in 32-bit