beagle bone black: problem of boot from eMMC

[Sascha Hauer]

On Wed, Dec 31, 2014 at 02:52:39PM +0000, ManuelCurcio at Eaton.com wrote:
> Hi,
> 
> From the lasted Barebox version (barebox-2014.12.0): 
> 
> I generated a MLO and a barebox.bin for the BeagleBone
> (am335x_defconfig&am335x_mlo_defconfig config file) with the
> modification of : 
> [PATCH] net: cpsw: Fix crashes on beaglebone black   ledphilippe at
> gmail.com 
> that I copied in a SD card. It work fine.
> 
> After, I wanted to boot from the the internal eMMC. 
> So after boot from sd card, I mounted the eMMC (mount /dev/mmc1.0) and
> copied the MLO and barebox.bin in the /mnt/mmc1.0 folder.
> 
> When I try to boot from the internal eMMC ,I have the following error: 
> --------->
> barebox 2014.12.0 #2 Wed Dec 31 15:29:16 GMT 2014
> 
> 
> Board: TI AM335x BeagleBone
> detected 'BeagleBone Black'
> omap-hsmmc 48060000.mmc: registered as 48060000.mmc
> booting from MMC
> fat fat0: probe failed: error 22
> Unable to mount  (-22)
> booting failed
> <---------
> 
> I tried myself to find a 'correction' by added the call of
> am33xx_of_register_bootdevice(void) function at the end of the static
> int beaglebone_devices_init(void) function. With this modification,
> sometime (depending of the last boot: from SD Card or from eMMC)  I can
> boot, someting not. 
> So my correction,although improving the situation, is not exactly the
> correction to do. Some one can help me ? 

In your bootlog above mmc at 481d8000 (which is the eMMC) is not
registered. I had a quick look at the code and didn't find anything
obvious. I can have a closer look this evening.

Sascha

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