[U-Boot] DFU to MMC #1

Lukasz Majewski l.majewski at samsung.com
Mon Aug 18 16:53:41 CEST 2014


Hi Tamás,

> Dear All,
> 
> I'm trying to do a firmware update on my BeagleBone Black using DFU
> and nearly getting there:
> 
> 
> U-Boot# dfu 0 mmc 1
> GADGET DRIVER: usb_dnl_dfu
> musb-hdrc: peripheral reset irq lost!
> 
> MMC write: dev # 0, block # 63, count 762 ... 762 blocks write: OK
> #
> DFU complete CRC32: 0xee7826ec
> DOWNLOAD ... OK
> Ctrl+C to exit ...
> U-Boot#
> 
> 
> However, the problem is that I'm trying to write to MMC #1 (eMMC),
> but U-Boot updates MMC #0 (SD card) as it can be seen from the output
> above.
> 
> Is this a bug in U-Boot or I am doing something wrong?
> 
> I'm using U-Boot version: u-boot-2013.10-ti2013.12.01 (from TI Sitara 
> SDK 07).
> 

It is strange. I will look into this tomorrow.

BTW: Are you sure that the mmc dev points to correct mmc device?
Could you check this for me?

> Thanks,
> -Tamás
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-- 
Best regards,

Lukasz Majewski

Samsung R&D Institute Poland (SRPOL) | Linux Platform Group


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