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(parent: f76c8f6) | patch
powerpc/8xx: Don't set IMMR map anymore at boot
authorChristophe Leroy <christophe.leroy@csgroup.eu>
Tue, 19 May 2020 05:49:14 +0000 (05:49 +0000)
committerMichael Ellerman <mpe@ellerman.id.au>
Tue, 26 May 2020 12:22:21 +0000 (22:22 +1000)
commit136a9a0f74d2e0d9de5515190fe80344b86b45cf
tree504f1c7c165ea9f431ba0ca6257aeba9957b41cftree | snapshot
parentf76c8f6d257cefda60221c83af7f97d9f74cb3cecommit | diff
powerpc/8xx: Don't set IMMR map anymore at boot

Only early debug requires IMMR to be mapped early.

No need to set it up and pin it in assembly. Map it
through page tables at udbg init when necessary.

If CONFIG_PIN_TLB_IMMR is selected, pin it once we
don't need the 32 Mb pinned RAM anymore.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/13c1e8539fdf363d3146f4884e5c3c76c6c308b5.1589866984.git.christophe.leroy@csgroup.eu
arch/powerpc/kernel/head_8xx.S diff | blob | history
arch/powerpc/mm/mmu_decl.h diff | blob | history
arch/powerpc/mm/nohash/8xx.c diff | blob | history
arch/powerpc/platforms/8xx/Kconfig diff | blob | history
arch/powerpc/sysdev/cpm_common.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git