From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peng Fan <peng.fan@nxp.com>
Date: Tue, 5 May 2020 02:50:24 +0000
Subject: [PATCH 10/13] imx: load calibration parameters from fuse for
 i.MX8MP
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> Subject: Re: [PATCH 10/13] imx: load calibration parameters from fuse for
> i.MX8MP
> 
> Hi Peng,
> 
> On Sun, May 3, 2020 at 8:39 PM Peng Fan <peng.fan@nxp.com> wrote:
> 
> > 5.4.3 upstream kernel + latest upstream boot?
> 
> No, I meant imx_5.4.3_2.0.0 NXP kernel + latest upstream U-Boot.
> 
> > Disable busfreq, try clk_ignore_unused?
> 
> There is no way to disable busfreq from the NXP kernel. Passing
> clk_ignore_unused does not help either.

Busfreq could be disabled by set the device tree node to disabled.

> 
> I have also tried to boot NXP 5.4.3 on a i.MX8MM EVK with the latest U-Boot
> and I also observe a hang.

I'll give a try tomorrow when I back to office. There is a ARM clock issue that
could cause all i.MX8M kernel hang, but that should be a bit late, should not
be that early just after console enabled.

Regards,
Peng.