[Skiboot] [PATCH] mambo: Make xscom claim to be DD 2.0

Stewart Smith stewart at linux.vnet.ibm.com
Tue Jun 6 21:15:20 AEST 2017

Michael Ellerman <mpe at ellerman.id.au> writes:
> In the mambo tcl we set the CPU version to DD 2.0, because mambo is not
> bug compatible with DD 1.
> But in xscom_read_cfam_chipid() we have a hard coded value, to work
> around the lack of the f000f register, which claims to be P9 DD 1.0.
> This doesn't seem to cause crashes or anything, but at boot we do see:
>   [    0.003893084,5] XSCOM: chip 0x0 at 0x1a0000000000 [P9N DD1.0]
> So fix it to claim that the xscom is also DD 2.0 to match the CPU.
> Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>

Merged to master as of 25897895a076471dc4566671fda5cf7d2a2c3379
Stewart Smith
OPAL Architect, IBM.

More information about the Skiboot mailing list