[U-Boot] On imx6 Solo the mmc fails to read for a second time..

[Andy Ng]

I have fixed the problem. The imx6 pads accessing the SD needed some better
calibration in my board file

Thank you
A


On Sat, Jan 25, 2014 at 2:39 PM, Andy Ng <andreas2025 at gmail.com> wrote:

> Dear colleagues,
>
> The u-boot freezes when I try to read mmc for second time. u-boot 2013-10,
> imx6 Solo CPU
>
> One the first read I do have also an error:
>
> mx6s > run bootmmc
> reading uImage
> Error reading cluster
> ** Unable to read file uImage **
> ## Booting kernel from Legacy Image at 12000000 ...
>    Image Name:   Linux-3.0.80-rt108+linx-rt+g7ff5
>    Image Type:   ARM Linux Kernel Image (uncompressed)
>    Data Size:    3862400 Bytes = 3.7 MiB
>    Load Address: 10008000
>    Entry Point:  10008000
>    Verifying Checksum ... Bad Data CRC
> ERROR: can't get kernel image!
> mx6s >
>
> On the second read:
> mx6s > run bootmmc
> <U-BOOT - Freezes >
> the console freezes and I have to reboot the machine.
>
>
> bootmmc=run mmcargs; fatload mmc ${mmcdev}:${mmcpart} ${loadaddr}
> ${uimage}; bootm
> bootscript=echo Running bootscript from mmc ...; source
> console=ttymxc0
> mmcargs=setenv bootargs console=${console},${baudrate} root=${mmcroot}
> rootwait rw
> mmcdev=0
> mmcpart=1
> mmcroot=/dev/mmcblk0p2
>
> I produce the SD card image using Ycoto build system.
>
> Have you ever seen something similar?
>
> Best regards,
> A
>