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powerpc: Add Power12 architected mode

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PVR value of 0x0f000008 means we are arch v3.2 compliant (i.e.
Power12). This is used by phyp and kvm when booting as a pseries guest
to detect the presence of new Power12 features and to enable the
appropriate hwcap and facility bits.

Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Mahesh Salgaonkar <mahesh@linux.ibm.com>
Tested-by: Praveen K Pandey <praveen@linux.ibm.com>
Reviewed-by: Nikhil Kumar Singh <nikhilks@linux.ibm.com>
Reviewed-by: Amit Machhiwal <amachhiw@linux.ibm.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20260806051120.3703698-4-mahesh@linux.ibm.com
This commit is contained in:
Ritesh Harjani (IBM) 2026-08-06 10:41:19 +05:30 • committed by Madhavan Srinivasan
commit 287df870bf
4 changed files with 27 additions and 3 deletions
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