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(parent: 40472b9) | patch
powerpc/microwatt: add POWER9_CPU, clear PPC_64S_HASH_MMU
authorNicholas Piggin <npiggin@gmail.com>
Wed, 1 Dec 2021 14:41:53 +0000 (00:41 +1000)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 9 Dec 2021 11:41:16 +0000 (22:41 +1100)
commita35a0996b557779a9e13112e3a9891be1d7d6ac0
tree5fab61316cd4448fb80fb4ed3db8b9ad5527c73dtree | snapshot
parent40472b93568f5442dc47dca24f3f1a64bc1055a0commit | diff
powerpc/microwatt: add POWER9_CPU, clear PPC_64S_HASH_MMU

Microwatt implements a subset of ISA v3.0 (which is equivalent to
the POWER9_CPU option). It is radix-only, so does not require hash
MMU support.

This saves 20kB compressed dtbImage and 56kB vmlinux size.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211201144153.2456614-19-npiggin@gmail.com
arch/powerpc/configs/microwatt_defconfig diff | blob | history
arch/powerpc/platforms/microwatt/Kconfig diff | blob | history
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