Boot Mode Fuse Writer TISCI Description

Note

This document is only applicable to AM62L devices.

This chapter provides information on System Firmware API for Boot Mode Writer Service. The available APIs are listed below.

TISCI Message ID	Message Name	Available in HS-FS	Available in HS-SE
0x9044	TISCI_MSG_SET_OTP_BOOT_MODE	YES	YES

API Description

TISCI_MSG_SET_OTP_BOOT_MODE - Program a boot mode efuse

Usage:

Message Type	Normal
Secure Queue Only?	No

TISCI Message ID

TISCI_MSG_SET_OTP_BOOT_MODE          (0x9044U)

Message to program boot mode

struct tisci_msg_set_otp_boot_mode_req

Request to set boot mode

Parameter	Type	Description
hdr	struct tisci_header	Common tisci header
boot_mode_efuse_idx	u8	The boot mode efuse to program
resv	u8	Reserved field of 3 bytes
write_val	u32	Number containing the 25-bit value to be blown

struct tisci_msg_set_otp_boot_mode_resp

Response to set boot mode request

Parameter	Type	Description
hdr	struct tisci_header	Common tisci header

Note

For more information refer to boot mode writer user guide