PowerPC 85xx board are caused die by Commit: 864b9e6fd76489aab422bac62162f57c52e06ed8(powerpc: Use lwarx/ldarx hint in bit locks)

[Kumar Gala]

On Mar 10, 2010, at 9:20 PM, Andrew Liu wrote:

> Hi Guys:
> I have done several experiments on  fsl_8548cds and fsl_p2020rdb, pinpointed the commit: 864b9e6fd76489aab422bac62162f57c52e06ed8(powerpc: Use lwarx/ldarx hint in bit locks)  cause the bootup stalledd.
> 
> "
> Filename 'fsl_8548cds/uImage'.
> Load address: 0x1000000
> Loading: #################################################################
>      #######################################
> done
> Bytes transferred = 1526546 (174b12 hex)
> Speed: 100, full duplex
> Using eTSEC0 device
> Filename 'sliu/fsl_8548cds/mpc8548cds.dtb'.
> Load address: 0xc00000
> Loading: #
> done
> Bytes transferred = 9993 (2709 hex)
> ## Booting image at 01000000 ...
>    Image Name:   Linux-2.6.34-rc1-00005-g522dba7
>    Image Type:   PowerPC Linux Kernel Image (gzip compressed)
>    Data Size:    1526482 Bytes =  1.5 MB
>    Load Address: 00000000
>    Entry Point:  00000000
>    Verifying Checksum ... OK
>    Uncompressing Kernel Image ... OK
>    Booting using the fdt at 0xc00000
>    Loading Device Tree to 007fb000, end 007fd708 ... OK
> "
>  
> I guess all 85xx or booke board has this issue.

that's very odd since __PPC_EH should be ignored on PPC32 and thus 85xx.

- k