Issues when running DT enabled kernel on iMX28 from linux-next

[Marek Vasut]

Dear Subodh Nijsure,

> On 05/17/2012 06:01 PM, Shawn Guo wrote:
> > On Thu, May 17, 2012 at 04:03:43PM -0700, Subodh Nijsure wrote:
> >> Should one be able to run top of the linux-next on MX28 EVK hardware
> >> with DT support enabled?
> > 
> > Yes, I'm running it well with next-20120516.
> 
> I followed the subsequent discussion on this, looks like most of you are
> booting your kernels with uBoot.
> We are using linux_prep bootlets from freescale to boot linux kernel.

They're crap ... very sorry crap :-(

> 
> I have following options turned on in my setup
> CONFIG_ARM_APPENDED_DTB=y
> CONFIG_ARM_ATAG_DTB_COMPAT=y
> 
> I am building imx28-evk.dtb and appending it to zImage as in:
> 
> make  imx28-evk.dtb
> cat zImage imx28-evk.dtb > zImage_w_dtb
> 
> We will investigate this further and let you know what I find, would be
> glad to hear if anybody else is using MXS platform with appended device
> tree.

Hm actually ... does anyone have dts file for mx28 with enabled GPMI nand? Looks 
like that thing from example doesn't work (had to replace gpmi-nand with gpmi), 
then it stopped complaining about clock. But now it dies on ecc.strength not 
being set. MMC doesn't probe either etc.

> 
> -Subodh
> 
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Best regards,
Marek Vasut