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authorNina Wu <nina-cm.wu@mediatek.corp-partner.google.com>2023-09-07 17:21:39 +0800
committerYu-Ping Wu <yupingso@google.com>2023-10-02 06:31:53 +0000
commit244ec489f22b0a70c06c03262b3bd881635c78df (patch)
tree30ce5b5c56caff0646867c319e36c0213e31419c /tests/mock
parent3748fca5955bc975ea426cf9bd9fd8e9278a9752 (diff)
soc/mediatek/mt8188: devapc: Update permission for master domain setup
Currently, all the masters controlled by DAPC are in domain 0. With this setting, there is a potential security problem. For example, if a certain master is somehow hacked, it may attempt to access registers that it is not supposed to, with successful results. This is due to the fact that, in the current setting, all masters are in domain 0 and can access almost all registers. To prevent this problem, we assign masters to different domains and restrict access to registers based on each domain. This patch updates the permission settings for domains 2, 3, 4, 5, 7, 8, 9, and 14, as these domains will be assigned masters in the upcoming patch. BUG=b:270657858 TEST=build pass Change-Id: I6e95ddb5d84a09ff865d7615596430e25b69d3fc Signed-off-by: Nina Wu <nina-cm.wu@mediatek.com> Signed-off-by: Jason Chen <Jason-ch.Chen@mediatek.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/77861 Reviewed-by: Yidi Lin <yidilin@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@mailbox.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>
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