[U-Boot] [PATCH v1 9/9] ARM: Odroid XU3: Modify Odroid XU3 config to boot by default from SD card

[Lukasz Majewski <lukma@denx.de>]

On Fri, 27 Jul 2018 08:34:15 +0530
Anand Moon <linux.amoon@gmail.com> wrote:

> Hi Lukasz,
> 
> On 26 July 2018 at 21:23, Lukasz Majewski <lukma@denx.de> wrote:
> > Hi Anand,
> >  
> >> Hi Lukasz,
> >>
> >> On 26 July 2018 at 03:55, Lukasz Majewski <lukma@denx.de> wrote:  
> >> > This commit allows by default booting Odroid XU3 from the SD card
> >> > (when e.g. eMMC module is not present).
> >> >
> >> > Signed-off-by: Lukasz Majewski <lukma@denx.de>
> >> >
> >> > ---
> >> >
> >> >  include/configs/odroid_xu3.h | 7 +++++--
> >> >  1 file changed, 5 insertions(+), 2 deletions(-)
> >> >
> >> > diff --git a/include/configs/odroid_xu3.h
> >> > b/include/configs/odroid_xu3.h index f495f6219ba9..818a06515cb2
> >> > 100644 --- a/include/configs/odroid_xu3.h
> >> > +++ b/include/configs/odroid_xu3.h
> >> > @@ -94,6 +94,9 @@
> >> >  #undef CONFIG_SYS_BOARD
> >> >  #define CONFIG_SYS_BOARD       "odroid"
> >> >
> >> > +#undef CONFIG_SYS_MMC_ENV_DEV
> >> > +#define CONFIG_SYS_MMC_ENV_DEV         2
> >> > +
> >> >  /* Define new extra env settings, including DFU settings */
> >> >  #undef CONFIG_EXTRA_ENV_SETTINGS
> >> >  #define CONFIG_EXTRA_ENV_SETTINGS \
> >> > @@ -105,8 +108,8 @@
> >> >         "console=" CONFIG_DEFAULT_CONSOLE "\0"\
> >> >         "fdtfile=exynos5422-odroidxu3.dtb\0" \
> >> >         "boardname=odroidxu3\0" \
> >> > -       "mmcbootdev=0\0" \
> >> > -       "mmcrootdev=0\0" \
> >> > +       "mmcbootdev=2\0" \
> >> > +       "mmcrootdev=1\0" \
> >> >         "mmcbootpart=1\0" \
> >> >         "mmcrootpart=2\0" \
> >> >         "dfu_alt_system="CONFIG_DFU_ALT_SYSTEM \
> >> > --
> >> > 2.11.0
> >> >  
> >>
> >> This changes probably breaks the booting from eMMC on  Odroid-XU4  
> >
> > I suppose, that XU4 is also equipped with SD card slot as XU3.
> >
> > Nonetheless, as I don't have eMMC card for mine XU3, the only way to
> > boot my device is SD card.
> >
> > If you believe that this may be a problem, then I can drop this
> > patch.
> >
> > Have you checked patches from 1-8?
> > Does it work for you? If yes, please send tested-by tag.
> >  
> 
> Yes you probably need to drop this patch,
> I had some tough time recovering my eMMC back to flash new u-boot.
> 
> I have tested my eMMC with default boot.scr its boot good.
> Need to modify the boot.scr to boot into SD card.

SD card has different layout than eMMC.

Despite above - you just shall need to apply patch 9/9 to get the board
running from SD card.

> 
> Best Regards
> -Anand




Best regards,

Lukasz Majewski

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