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[ Upstream commit 14ca1a4690750bb54e1049e49f3140ef48958a6e ]
MT_MEMORY_RO is introduced by commit 598f0a99fa8a ("ARM: 9210/1:
Mark the FDT_FIXED sections as shareable"), which is a readonly
memory type for FDT area, but there are some different between
ARM_LPAE and non-ARM_LPAE, we need to setup PMD_SECT_AP2 and
L_PMD_SECT_RDONLY for MT_MEMORY_RO when ARM_LAPE enabled.
non-ARM_LPAE 0xff800000-0xffa00000 2M PGD KERNEL ro NX SHD
ARM_LPAE 0xff800000-0xffc00000 4M PMD RW NX SHD
ARM_LPAE+fix 0xff800000-0xffc00000 4M PMD ro NX SHD
Fixes: 598f0a99fa8a ("ARM: 9210/1: Mark the FDT_FIXED sections as shareable")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
425a2a9469