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

Catalin Marinas catalin.marinas at arm.com
Thu Sep 4 08:52:13 PDT 2014


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



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