EFUSE Driver

Overview

Files
file	fsl_efuse.h

EFUSE APIs
status_t	EFUSE_Init (void)
	Initialize EFUSE controller. More...
status_t	EFUSE_Deinit (void)
	De-Initialize EFUSE controller. More...
status_t	EFUSE_Read (uint32_t addr, uint32_t *data)
	Read Fuse value from eFuse word. More...
status_t	EFUSE_Program (uint32_t addr, uint32_t data)
	Program value to eFuse block. More...

Function Documentation

status_t EFUSE_Init

(

void

)

This function enables EFUSE Controller clock.

Return values

kStatus_Success	0 Operation succeeded without error.
kStatus_Fail	1 The operation failed with a generic error.
kStatus_ReadOnly	2 Requested value cannot be changed because it is read-only.
kStatus_OutOfRange	3 Requested value is out of range.
kStatus_InvalidArgument	4 The requested command's argument is undefined.
kStatus_Timeout	An invalid 5 A timeout occurred
kStatus_NoTransferInProgress	6 No send in progress.

status_t EFUSE_Deinit

(

void

)

This functin disables EFUSE Controller Clock.

Return values

kStatus_Success	0 Operation succeeded without error.
kStatus_Fail	1 The operation failed with a generic error.
kStatus_ReadOnly	2 Requested value cannot be changed because it is read-only.
kStatus_OutOfRange	3 Requested value is out of range.
kStatus_InvalidArgument	4 The requested command's argument is undefined.
kStatus_Timeout	An invalid 5 A timeout occurred
kStatus_NoTransferInProgress	6 No send in progress.

status_t EFUSE_Read	(	uint32_t	addr,
		uint32_t *	data
	)

This function read fuse data from eFuse word to specified data buffer.

Parameters

addr	Fuse address
data	Buffer to hold the data read from eFuse word

Return values

kStatus_Success	0 Operation succeeded without error.
kStatus_Fail	1 The operation failed with a generic error.
kStatus_ReadOnly	2 Requested value cannot be changed because it is read-only.
kStatus_OutOfRange	3 Requested value is out of range.
kStatus_InvalidArgument	4 The requested command's argument is undefined.
kStatus_Timeout	An invalid 5 A timeout occurred
kStatus_NoTransferInProgress	6 No send in progress.

status_t EFUSE_Program	(	uint32_t	addr,
		uint32_t	data
	)

This function program data to specified eFuse address.

Parameters

addr	Fuse address
data	data to be programmed into eFuse Fuse block

Return values

kStatus_Success	0 Operation succeeded without error.
kStatus_Fail	1 The operation failed with a generic error.
kStatus_ReadOnly	2 Requested value cannot be changed because it is read-only.
kStatus_OutOfRange	3 Requested value is out of range.
kStatus_InvalidArgument	4 The requested command's argument is undefined.
kStatus_Timeout	An invalid 5 A timeout occurred
kStatus_NoTransferInProgress	6 No send in progress.