IPMMU-VMSA updates #105
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IPMMU-VMSA updates #105
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added 3 commits
January 24, 2018 18:33
This patch enables IPMMU feature for M3N SoC. Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Some IPMMU-XX are not located in ALWAYS_ON power domain (IPMMU-VP0, IPMMU-VC0 belong to A3xx power domains) and as the result they are in power-off state during booting, therefore they must be explicitly powered on before initializing. Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Disable IPMMU TLB cache function of IPMMU caches that belong to non ALWAYS_ON power domain (IPMMU-VP0, IPMMU-VC0 belong to A3xx power domains) due to H/W restriction. According to the procedure being performed in MMNGR driver: https://github.com/renesas-rcar/mmngr_drv Signed-off-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
This was referenced Jan 24, 2018
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ping... |
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pong |
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I will create the same PR for 4.10 as well. |
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I am closing this PR, an actual PR is: |
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In a nutshell this patch series does:
This PR should go in with the following PRs:
"Power domain maintenance" updates from v4.9/rcar-3.5.9 branch
xen-troops/linux#34
dom0.dts/domd.dts: Remove "power-domains" property from SDHI2 node
xen-troops/meta-xt-prod-ces2018#151