Hi, > -----Original Message----- > From: Marek Vasut [mailto:ma...@denx.de] > Sent: 2016年4月21日 10:41 > To: Yang, Wenyou <wenyou.y...@atmel.com> > Cc: u-boot@lists.denx.de > Subject: Re: SAMA5D2 xplained SD/eMMC boot > > On 04/21/2016 04:30 AM, Yang, Wenyou wrote: > > Hi Marek, > > Hi! > > >> -----Original Message----- > >> From: Marek Vasut [mailto:ma...@denx.de] > >> Sent: 2016年4月20日 17:37 > >> To: Yang, Wenyou <wenyou.y...@atmel.com> > >> Cc: u-boot@lists.denx.de > >> Subject: Re: SAMA5D2 xplained SD/eMMC boot > > Can you fix your mailer so it doesn't insert this crap into each and every > message ? > Pretty please ? > > >> On 04/20/2016 03:17 AM, Yang, Wenyou wrote: > >>> Hi Marek, > >>> > >>>> -----Original Message----- > >>>> From: Marek Vasut [mailto:ma...@denx.de] > >>>> Sent: 2016年4月20日 0:34 > >>>> To: Yang, Wenyou <wenyou.y...@atmel.com> > >>>> Cc: u-boot@lists.denx.de > >>>> Subject: Re: SAMA5D2 xplained SD/eMMC boot > >>>> > >>>> On 04/19/2016 05:22 AM, Yang, Wenyou wrote: > >>>>> Hi Marek, > >>>>> > >>>>>> -----Original Message----- > >>>>>> From: Marek Vasut [mailto:marek.va...@gmail.com] > >>>>>> Sent: 2016年4月18日 23:30 > >>>>>> To: Yang, Wenyou <wenyou.y...@atmel.com> > >>>>>> Cc: u-boot@lists.denx.de > >>>>>> Subject: SAMA5D2 xplained SD/eMMC boot > >>>>>> > >>>>>> Hi! > >>>>>> > >>>>>> I've been playing around with latest mainline u-boot on sama5d2 > >>>>>> xplained ultra. I noticed that if I want to boot the board from > >>>>>> SD card (SDHCI1), the board will indeed load the SPL from it, but > >>>>>> SPL will try to load u-boot.img from eMMC > >>>>>> (SDHCI0) and fail, as my eMMC is blank. > >>>>> > >>>>> Yes, there is some issue to load u-boot.img. I found there is > >>>>> something to do on > >>>> sdhci.c. > >>>>> > >>>>> You can try this branch, it should works. > >>>>> > >>>>> https://github.com/linux4sam/u-boot-at91/commits/u-boot-2016.03-at > >>>>> 91 > >>>> > >>>> I am not interested in using non-mainline stuff. Do you have any > >>>> particular patch/commit which I can refer to ? I do not think this > >>>> has anything to do with sdhci.c driver at all, it has to do with > >>>> detecting the boot device from which SPL was started and loading > >>>> u-boot.img from the same boot device instead of always using SDHCI0. > >>> > >>> I will test the mainline code. I will let you know when I get something. > >> > >> OK. > >> > >> Does the SoC have any sort of register which lists the current boot device > >> ? > > > > In this SoC, there is not register to list the current boot device. > > And thus, it is not possible to detect at runtime from which device the SoC > booted > and thus load u-boot.img from the same device. Correct ?
Yes, > > You should add such register, it's a few lines of HDL ... Good suggestion. Recorded. Thank you. > > [...] > Best regards, > Marek Vasut Best Regards Wenyou Yang _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot