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480e8dd9 |
| 25-Aug-2025 |
Madhukar Pappireddy <madhukar.pappireddy@arm.com> |
Merge changes from topic "Add-i.MX94/95-suport" into integration
* changes: docs(maintainers): add i.MX9 to maintained paths feat(imx94): add initial support for imx94 feat(imx95): add optee s
Merge changes from topic "Add-i.MX94/95-suport" into integration
* changes: docs(maintainers): add i.MX9 to maintained paths feat(imx94): add initial support for imx94 feat(imx95): add optee support feat(imx95): support trusty os feat(imx95): implement a semaphore for GIC quiescing feat(imx95): add initial support for i.MX95 feat(imx9): add necessary ele api call support feat(imx9): add imx9 common code base refactor(imx): drop the __dead2 attribute fix(imx): add static attribute for platform specific gic struct feat(gic): change gic_cpuif_enable/disable to weak feat(scmi): add i.MX9 SCMI vendor CPU protocol feat(scmi): add base protocol agent API feat(scmi): update version to 3.0 build(changelog): update for imx94/95 support
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| #
f7e7ea1f |
| 22-Aug-2024 |
Ranjani Vaidyanathan <ranjani.vaidyanathan@nxp.com> |
feat(imx95): implement a semaphore for GIC quiescing
As there is no way to reset the GIC on iMX95, SM(System Controller) needs to quiesce the GIC using the GIC waker. But AP can also be touching GIC
feat(imx95): implement a semaphore for GIC quiescing
As there is no way to reset the GIC on iMX95, SM(System Controller) needs to quiesce the GIC using the GIC waker. But AP can also be touching GIC waker register during entry/exit from low power modes. Add a semaphore to provide a critical section for GIC waker. The last two words in the TF-A MU 1K SRAM space is used to hold the semaphore (follow the Peterson'salgorithm for mutual exclusion).
Signed-off-by: Ranjani Vaidyanathan <ranjani.vaidyanathan@nxp.com> Signed-off-by: Jacky Bai <ping.bai@nxp.com> Change-Id: Ic5d696ac83668e72d9c3204d7ec047ac9f751e94
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