Hi Aubin, On Mon, 29 Aug 2022 at 01:40, momo aubin <[email protected]> wrote: > > Hi Simon, > I got what is the 'dm tree' which is a driver model. This command could be > done only in uboot stage. but i got the situation in which the initialisation > of u-boot has not finished yet as showing in the following picture. > > > .i would like to know what is wrong in the initialisation ?
Please try to avoid top posting. I think the best thing is to move to the latest U-Boot. You are about 9 years behind! But as to your question, I am really not sure. If it is a TI board, you could try asking them? Regards, Simon > > Best Regard, > Aubin > > On Mon, 29 Aug 2022 at 05:24, momo aubin <[email protected]> wrote: >> >> Hi Simon, >> >> Thanks for your answer. >> >> The script that you are telling it is Env.txt right ? >> >> What is a 'dm tree' ? Please could you provide me more infos about this ? >> >> Thanks for your answer in advance. >> >> On Sat, 27 Aug 2022 at 02:21, Simon Glass <[email protected]> wrote: >>> >>> Hi Aubin, >>> >>> On Fri, 26 Aug 2022 at 06:41, momo aubin <[email protected]> wrote: >>> > >>> > Dear all, >>> > >>> > >>> > Is there any way that allows us to know that uboot has initialised all his >>> > peripherals before starting loading kernel ? >>> > >>> > The goal of this check is to reset the board in case of bad initialisation >>> > and choose a different uboot . >>> > >>> > Thanks for your answer in advance. >>> > Aubin >>> >>> If there is a failure then it likely results in an error-return code >>> from board_init_f() or board_init_r(). These generally halt U-Boot / >>> cause a reboot. But this only covers the peripherals that U-Boot sets >>> up early, like serial, clocks, pinctrl, MMC, PCI, etc. >>> >>> U-Boot typically does not init a peripheral unless it is needed for U-Boot. >>> >>> While U-Boot is running (e.g. a script) it may start up other >>> peripherals (e.g. to read a kernel from USB) and in those cases errors >>> can be handled by the script. >>> >>> You can use 'dm tree' to see what devices have been probed successfully. >>> >>> Regards, >>> Simon
