From: Tabi Timur-B04825 <B04825@freescale.com>
To: Li Yang-R58472 <r58472@freescale.com>
Cc: "linuxppc-dev@ozlabs.org" <linuxppc-dev@ozlabs.org>,
Huang Changming-R66093 <r66093@freescale.com>,
Wood Scott-B07421 <B07421@freescale.com>
Subject: Re: [PATCH] powerpc/85xx: allow CONFIG_PHYS_64BIT to be selectable
Date: Fri, 24 Feb 2012 03:04:36 +0000 [thread overview]
Message-ID: <4F46FE3E.1050605@freescale.com> (raw)
In-Reply-To: <94F013E7935FF44C83EBE7784D62AD3F0578CFD9@039-SN2MPN1-023.039d.mgd.msft.net>
Li Yang-R58472 wrote:
> Even though the user still need to know the addressing mode that u-boot
> is using. It won't work if the addressing mode of u-boot and device
> tree are different.
U-Boot will tell the user if the DT does not match. I added code to=20
U-Boot to do that. So if you have a 36-bit U-Boot and a 32-bit DT, then=20
you will get a warning. If you have a 36-bit U-boot and a 36-bit DT and a=
=20
32-bit kernel, you will get nothing. But if you have a 32-bit U-boot and=20
a 32-bit DT and a 36-bit kernel, then that will work. A 36-bit kernel=20
works with 32-bit *and* 36-bit DTs. This is why a 36-bit kernel should be=
=20
the default.
--=20
Timur Tabi
Linux kernel developer at Freescale=
next prev parent reply other threads:[~2012-02-24 3:04 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-21 19:53 [PATCH] powerpc/85xx: allow CONFIG_PHYS_64BIT to be selectable Timur Tabi
2012-02-23 6:25 ` Huang Changming-R66093
2012-02-23 12:24 ` Tabi Timur-B04825
2012-02-24 1:54 ` Huang Changming-R66093
2012-02-24 2:29 ` Li Yang-R58472
2012-02-24 2:45 ` Tabi Timur-B04825
2012-02-24 2:59 ` Li Yang-R58472
2012-02-24 3:01 ` Huang Changming-R66093
2012-02-24 3:04 ` Tabi Timur-B04825 [this message]
2012-02-24 3:24 ` Huang Changming-R66093
2012-02-24 3:36 ` Tabi Timur-B04825
2012-02-24 3:40 ` Li Yang-R58472
2012-02-24 3:50 ` Tabi Timur-B04825
2012-02-24 4:02 ` Li Yang-R58472
2012-02-24 4:11 ` Tabi Timur-B04825
2012-03-16 20:01 ` Kumar Gala
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