New Board i.MX6 Dual Lite based

Sascha Hauer s.hauer at pengutronix.de
Fri Jun 9 00:32:16 PDT 2017


On Fri, Jun 09, 2017 at 09:25:56AM +0200, gianluca wrote:
> > > > 		
> > > > imx-esdhc 2194000.usdhc: registered as 2194000.usdhc
> > > > imx-esdhc 2198000.usdhc: registered as 2198000.usdhc
> > > > imx-esdhc 219c000.usdhc: registered as 219c000.usdhc
> > > > imx-ipuv3 2400000.ipu: IPUv3H probed
> > > > netconsole: registered as netconsole-1
> > > > malloc space: 0x2ff7b920 -> 0x4fef723f (size 511.5 MiB)
> > > > environment load /dev/env0: No such file or directory
> > > > Maybe you have to create the partition.
> > > > running /env/bin/init...
> > > > Running boot from uSD/MMC or USB...
> > > > mmc2: detected SD card version 2.0
> > > > mmc2: registered mmc2
> > > > ext4 ext40: EXT2 rev 1, inode_size 128
> > 
> > mmc2 is detected and registered because you are booting from it, but
> > mmc3 is not. Try 'detect mmc3' or 'detect -a' on the command line.
> > 
> 
> It was missing a mmc3.probe=1 in the init scripts. Now both are recognized
> correctly.

Try 'mount mmc3.0' without any further arguments. No need to probe
manually then.

Also my usual three words: Use bootloader spec. No need to write any
init or boot scripts then. barebox will just work without any further
configuration.

> 
> Now I am trying to extend the I2C Lines outside the board for a oscilloscope
> and/or a Saleae Logic Bus Analyzer. As soon as I find the solution or not I
> will keep you informed.
> 
> Anyway in the config there is both GPIO BASED I2C DRIVER and Platform iMX
> Driver. I tried to disable the GPIO Based but it does not work.

The GPIO I2C driver is only used when it's there's a GPIO I2C device
registered in the device tree.

Sascha

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