于 2018年1月5日 GMT+08:00 上午10:41:51, Jun Nie <[email protected]> 写到: >2018-01-04 22:53 GMT+08:00 Maxime Ripard ><[email protected]>: >> On Fri, Dec 29, 2017 at 05:35:51PM +0800, Jun Nie wrote: >>> Hi Bernhard, >>> >>> Resend this mail with CCing mail list so that more people can see >this >>> issue and may have answer. Also correct register access code I use >as >>> I send wrong version code in last mail. >>> >>> I see sunxi-tool patch a3ce5f9f and you also mentioned that writing >value is OK >>> with register based method in google group. Do you have eFuse >writing >>> code that works? I can write OEM_PROGRAM and THERMAL_SENSOR with >below >>> code. But when I write ROTPK_HASH, eFuse is not changed. >> >> I'm not sure if this is still relevant, but some of the older SoCs >> were allegedly needing to toggle one pin low in order to program the >> fuses (VDDQE on the A20) before writing to it. >> >> I have no idea whether it's still there on the H3 though, and no one >> ever tried it as far as I'm aware. >> >> Maxime > >Maxime, > >Thanks for sharing this info! Did you remember what pin is needed to >toggle? The toggling is needed for any eFuse field program, or just >some fields of eFuse?
I think it's all. > >Best Regards. >Jun > >> >> -- >> Maxime Ripard, Free Electrons >> Embedded Linux and Kernel engineering >> http://free-electrons.com -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
