blown efuse via uart

ciberbob — Thu, 13 Sep 2012 03:50:27 GMT

Hi. I have problem.

I have custom board with iMX537 processor. In project I haven't placed switch to configurate processor via GPIO (set eFUSE via GPIO).

I reference manual I've found serial protocol description to configurate processor via uart. Also, there says what via uart user can programm eFUSE. But I can't do that. For example, I send next command via uart

02 02 00 00 08 14 08 00 00 00 00 00 00 00 19 00

This command is for configurate CFG3[7:0] eFUSE

I receive ack

56 78 78 56

After that I send next command

01 01 00 00 08 14 08 00 00 00 01 00 00 00 00 00

And receive ack

56 78 78 56 02

But I wrote 0x19 and I've read 0x02.

In reference manual says, what 0x00 00 08 14 is the addrress for CFG3[7:0] eFUSE.

Can anybody help me to undestand how can I programm eFuse via uart.

Re: blown efuse via uart

ManoharChinnadu — Tue, 08 Jan 2013 23:10:02 GMT

Sergey,

We are looking the procedure to blow the eFUSE values to boot from SATA interface for IMX6 based device. did you find the procedure to blow the eFUSE using UART or USB interface or is there any tool to do the same.?

i.MX Processorsのトピックblown efuse via uart

blown efuse via uart

Re: blown efuse via uart