From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@linaro.org>
Subject: Re: [Xen-ARM] Modify the clock frequency for early
	printk
Date: Fri, 18 Apr 2014 20:05:57 +0100
Message-ID: <53517795.4010903@linaro.org>
References: <CAFpecnQUWfm-XB0p3RJdEg4TCpboGujVAkd-8x2OXQTsJLwjaQ@mail.gmail.com>	<5350513C.5060705@linaro.org>
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To: HyonYoung Choi <commani@gmail.com>
Cc: Anthony PERARD <anthony.perard@citrix.com>, Meng Xu <xumengpanda@gmail.com>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
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Hello HyonYoung,

On 18/04/14 19:53, HyonYoung Choi wrote:
> I got printk messages finally.
>
> Thank you so much Julien.
>
> Now I have entered next stage.
>
> ======================
> Starting kernel ...
>
> - UART enabled -
> - CPU 00000000 booting -
> - Xen must be entered in NS Hyp mode -
> - Boot failed -
> ======================

Your CPU didn't boot in hyp mode.

You have to find a u-boot which switch all the CPUs to hyp mode for your 
board.

Regards,

-- 
Julien Grall