LPAE boot failed after commit 7fb00c2fca4b6: "ARM: 8114/1: LPAE: load upper bits of early TTBR0/TTBR1"

[Jingchang Lu]

>-----Original Message-----
>From: Catalin Marinas [mailto:catalin.marinas at arm.com]
>Sent: Thursday, September 04, 2014 11:52 PM
>To: Lu Jingchang-B35083
>Cc: rmk+kernel at arm.linux.org.uk; k.khlebnikov at samsung.com; linux-arm-
>kernel at lists.infradead.org
>Subject: Re: LPAE boot failed after commit 7fb00c2fca4b6: "ARM: 8114/1:
>LPAE: load upper bits of early TTBR0/TTBR1"
>
>On Wed, Sep 03, 2014 at 11:08:31AM +0100, Jingchang Lu wrote:
>>   Our one ARMv7 Cortex-A7 based dual core SoC with LPAE support could
>> not boot since next-20140811 on the linux-next tree, I notice that there
>is a commit 7fb00c2fca4b6c58be521…, “ARM: 8114/1: LPAE: load upper bits of
>early TTBR0/TTBR1”.
>> Revert that commit the SoC boots successfully, do you have any
>suggestion on this, thanks.
>>
>>   related SoC hardware and kernel configurations are:
>>        DRAM PHYS address: 0x80000000
>>        CONFIG_VMSPLIT_2G
>>        CONFIG_PAGE_OFFSET=0x80000000
>>        CONFIG_ARM_LPAE
>
>Does this patch fixes the problem:
>
>http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=8132/1
>
>--
>Catalin

Yes, with this patch, all thing works well, the system boots successfully.
Thanks.


Best Regards,
Jingchang