On Feb 21, 2012, at 1:53 PM, Timur Tabi wrote:
> Remove the "select PHYS_64BIT" from the Kconfig entry for the P1022DS,
> so that large physical address support is a selectable option for non-CoreNet
> reference boards.
>
> The option is enabled in mpc85xx_[smp_]defconfig so that the default is
Li Yang-R58472 wrote:
> It's a good point. Why can't we decide to use 32-bit/36-bit TLB at runtime
> even for e500v2?
That's not what PHYS_64BIT does. PHYS_64BIT determines whether
phys_addr_t is a u64 or a u32. This is something that must be determined
at compilation time.
>> Please remem
> Subject: Re: [PATCH] powerpc/85xx: allow CONFIG_PHYS_64BIT to be
> selectable
>
> Li Yang-R58472 wrote:
>
> > The mpc85xx_defconfig does include silicons with e500v1 core which
> > doesn't have the 36-bit support. Won't enabling 36-bit support by
&
Li Yang-R58472 wrote:
> The mpc85xx_defconfig does include silicons with e500v1 core which
> doesn't have the 36-bit support. Won't enabling 36-bit support by
> default break the support for them?
No. The kernel will detect at runtime that that it's an e500v1 core and
it won't try to create 36
> Subject: Re: [PATCH] powerpc/85xx: allow CONFIG_PHYS_64BIT to be
> selectable
>
> 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
> >
Huang Changming-R66093 wrote:
> I want to know if you have the other codes for different address?
>
> The current U-boot just detect the base address of DTS and the CCSR address.
> If they are different, u-boot will print the warning and return 0,
> so the kernel can't been booted.
I had a patch t
>
> 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 U-
> Boot to do that.
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
U-Boot to do that. So if you have a 3
gt; > Subject: Re: [PATCH] powerpc/85xx: allow CONFIG_PHYS_64BIT to be
> > selectable
> >
> > Li Yang-R58472 wrote:
> >
> > > I agree with Changming that we shouldn't setting PHYS_64BIT by
> default.
> >
> > The default kernel should always
> -Original Message-
> From: Tabi Timur-B04825
> Sent: Friday, February 24, 2012 10:46 AM
> To: Li Yang-R58472
> Cc: Huang Changming-R66093; ga...@kernel.crashing.org;
> b...@kernel.crashing.org; Wood Scott-B07421; linuxppc-...@ozlabs.org
> Subject: Re: [PATCH
Li Yang-R58472 wrote:
> I agree with Changming that we shouldn't setting PHYS_64BIT by default.
The default kernel should always be the compatible with as much as
possible. Disabling PHYS_64BIT by default means that the default kernel
will not work with a 36-bit DTS. If you attempt to boot su
> > Subject: Re: [PATCH] powerpc/85xx: allow CONFIG_PHYS_64BIT to be
> > selectable
> >
> > Huang Changming-R66093 wrote:
> > > I have one similar patch to remove the "select PHYS_64BIT".
> > > http://patchwork.ozlabs.org/patch/132351/
> &g
> -Original Message-
> From: Tabi Timur-B04825
> Sent: Thursday, February 23, 2012 8:25 PM
> To: Huang Changming-R66093
> Cc: ga...@kernel.crashing.org; b...@kernel.crashing.org; Wood Scott-
> B07421; Li Yang-R58472; linuxppc-...@ozlabs.org
> Subject: Re: [PATCH
Huang Changming-R66093 wrote:
> I have one similar patch to remove the "select PHYS_64BIT".
> http://patchwork.ozlabs.org/patch/132351/
That one doesn't update the defconfigs, which means that the default
kernel will not have PHYS_64BIT enabled.
--
Timur Tabi
Linux kernel developer at Freescale
I have one similar patch to remove the "select PHYS_64BIT".
http://patchwork.ozlabs.org/patch/132351/
Thanks
Jerry Huang
> -Original Message-
> From: linuxppc-dev-bounces+r66093=freescale@lists.ozlabs.org
> [mailto:linuxppc-dev-bounces+r66093=freescale@lists.ozlabs.org] On
> Beh
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