FLASH

Collaboration diagram for FLASH:

Modules
	flash iomode definition
	flash aes key type definition

Data Structures
struct	bflb_flash_aes_config_s

Functions
int	bflb_flash_init (void)
	Initialize flash. More...
uint32_t	bflb_flash_get_jedec_id (void)
	Get flash jedec id. More...
uint32_t	bflb_flash_get_size (void)
	get flash size More...
void	bflb_flash_get_cfg (uint8_t **cfg_addr, uint32_t *len)
	Get flash config. More...
void	bflb_flash_set_iomode (uint8_t iomode)
	Set flash iomode. More...
uint32_t	bflb_flash_get_image_offset (void)
	Get flash image offset. More...
int	bflb_flash_erase (uint32_t addr, uint32_t len)
	Erase flash with sectors. More...
int	bflb_flash_write (uint32_t addr, uint8_t *data, uint32_t len)
	Write data into flash. More...
int	bflb_flash_read (uint32_t addr, uint8_t *data, uint32_t len)
	Read data from flash. More...
int	bflb_flash_get_unique_id (uint8_t *data, uint8_t id_len)
	read flash unique id More...
int	bflb_flash_set_cache (uint8_t cont_read, uint8_t cache_enable, uint8_t cache_way_disable, uint32_t flash_offset)
	Config flash cache. More...
void	bflb_flash_aes_init (struct bflb_flash_aes_config_s *config)
	Initialize flash aes controller. More...
void	bflb_flash_aes_enable (void)
	Enable flash decrypt with aes. More...
void	bflb_flash_aes_disable (void)
	Disable flash decrypt with aes. More...
void	bflb_flash_jump_encrypted_app (uint8_t index, uint32_t flash_addr, uint32_t len)
	Initialize flash jump to encrypted app. More...

Detailed Description

Function Documentation

bflb_flash_aes_disable()

void bflb_flash_aes_disable

(

void

)

Disable flash decrypt with aes.

bflb_flash_aes_enable()

void bflb_flash_aes_enable

(

void

)

Enable flash decrypt with aes.

bflb_flash_aes_init()

void bflb_flash_aes_init

(

struct bflb_flash_aes_config_s *

config

)

Initialize flash aes controller.

Parameters

[in]

config

pointer to flash aes config.

bflb_flash_erase()

int bflb_flash_erase	(	uint32_t	addr,
		uint32_t	len
	)

Erase flash with sectors.

Parameters

[in]	addr
[in]	len

Returns

Zero on success; a negated errno value on failure

bflb_flash_get_cfg()

void bflb_flash_get_cfg	(	uint8_t **	cfg_addr,
		uint32_t *	len
	)

Get flash config.

Parameters

[out]	cfg_addr	pointer to save config
[in]	len	flash config size

bflb_flash_get_image_offset()

uint32_t bflb_flash_get_image_offset

(

void

)

Get flash image offset.

Returns

flash image offset

bflb_flash_get_jedec_id()

uint32_t bflb_flash_get_jedec_id

(

void

)

Get flash jedec id.

Returns

uint32_t

bflb_flash_get_size()

uint32_t bflb_flash_get_size

(

void

)

get flash size

Returns

flash size

bflb_flash_get_unique_id()

int bflb_flash_get_unique_id	(	uint8_t *	data,
		uint8_t	id_len
	)

read flash unique id

Parameters

data
id_len

Returns

int

bflb_flash_init()

int bflb_flash_init

(

void

)

Initialize flash.

Returns

Zero on success; a negated errno value on failure

bflb_flash_jump_encrypted_app()

void bflb_flash_jump_encrypted_app	(	uint8_t	index,
		uint32_t	flash_addr,
		uint32_t	len
	)

Initialize flash jump to encrypted app.

Parameters

[in]	index	region index
[in]	flash_addr	flash physical address.
[in]	len	firmware length.

bflb_flash_read()

int bflb_flash_read	(	uint32_t	addr,
		uint8_t *	data,
		uint32_t	len
	)

Read data from flash.

Parameters

[in]	addr	flash physical address
[out]	data	pointer to data buffer
[in]	len	length of data

Returns

Zero on success; a negated errno value on failure

bflb_flash_set_cache()

int bflb_flash_set_cache	(	uint8_t	cont_read,
		uint8_t	cache_enable,
		uint8_t	cache_way_disable,
		uint32_t	flash_offset
	)

Config flash cache.

Parameters

[in]	cont_read	enable or not continuous read mode.
[in]	cache_enable	enable cache or not
[in]	cache_way_disable	ways of cache to disable
[in]	flash_offset	flash image offset

Returns

Zero on success; a negated errno value on failure

bflb_flash_set_iomode()

void bflb_flash_set_iomode

(

uint8_t

iomode

)

Set flash iomode.

Parameters

[in]

iomode

flash iomode, use flash iomode definition

bflb_flash_write()

int bflb_flash_write	(	uint32_t	addr,
		uint8_t *	data,
		uint32_t	len
	)

Write data into flash.

Parameters

[in]	addr	flash physical address
[in]	data	pointer to data buffer
[in]	len	length of data

Returns

Zero on success; a negated errno value on failure