[PATCH] arm/tegra: select AUTO_ZRELADDR by default

Olof Johansson olof at lixom.net
Thu Oct 13 19:38:46 EDT 2011


Hi,

On Wed, Sep 28, 2011 at 10:50 AM, Stephen Warren <swarren at nvidia.com> wrote:
> Peter De Schrijver wrote at Tuesday, September 27, 2011 7:08 PM:
>> This patch causes the kernel uncompressor to determine the physical address
>> of the SDRAM at runtime. This allows the kernel to boot on both tegra20 and
>> tegra30 even though SDRAM is at different physical addresses on both SoCs.
>>
>> Signed-off-by: Peter De Schrijver <pdeschrijver at nvidia.com>
>
> An alternative would be to simply add that config option to the relevant
> defconfig/.config file. I see both cases in use in the kernel. Still, the
> code change this enables looks fine to just turn on all the time, and will
> be needed for Tegra30 support, so I'm fine just selecting it as you have.
>
> Acked-by: Stephen Warren <swarren at nvidia.com>
>
>> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
>> index 472a7f8..474737b 100644
>> --- a/arch/arm/Kconfig
>> +++ b/arch/arm/Kconfig
>> @@ -596,6 +596,7 @@ config ARCH_TEGRA
>>       select HAVE_CLK
>>       select HAVE_SCHED_CLOCK
>>       select ARCH_HAS_CPUFREQ
>> +     select AUTO_ZRELADDR
>>       help
>>         This enables support for NVIDIA Tegra based systems (Tegra APX,
>>         Tegra 6xx and Tegra 2 series).
>
> P.S. Since this patch relates to Tegra, you should CC the Tegra maintainers
> and list; I've done so on this message. I also added Arnd; he might take
> this through the arm-soc tree.

While it does touch a file outside of arch/arm/mach-tegra, it's for
the tegra options and is not likely to cause conflicts upstream. I'll
apply it with the rest of tegra patches for 3.2 here.

So: Applied, thanks.


-Olof



More information about the linux-arm-kernel mailing list