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Diffstat (limited to 'docs/firmware-design.rst')
| -rw-r--r-- | docs/firmware-design.rst | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/docs/firmware-design.rst b/docs/firmware-design.rst index 997d29b87..f28d2f6a8 100644 --- a/docs/firmware-design.rst +++ b/docs/firmware-design.rst @@ -886,10 +886,10 @@ Power State Coordination Interface TODO: Provide design walkthrough of PSCI implementation. -The PSCI v1.0 specification categorizes APIs as optional and mandatory. All the -mandatory APIs in PSCI v1.0 and all the APIs in PSCI v0.2 draft specification +The PSCI v1.1 specification categorizes APIs as optional and mandatory. All the +mandatory APIs in PSCI v1.1, PSCI v1.0 and in PSCI v0.2 draft specification `Power State Coordination Interface PDD`_ are implemented. The table lists -the PSCI v1.0 APIs and their support in generic code. +the PSCI v1.1 APIs and their support in generic code. An API implementation might have a dependency on platform code e.g. CPU\_SUSPEND requires the platform to export a part of the implementation. Hence the level @@ -898,9 +898,9 @@ platform port as well. The Juno and FVP (all variants) platforms export all the required support. +-----------------------------+-------------+-------------------------------+ -| PSCI v1.0 API | Supported | Comments | +| PSCI v1.1 API | Supported | Comments | +=============================+=============+===============================+ -| ``PSCI_VERSION`` | Yes | The version returned is 1.0 | +| ``PSCI_VERSION`` | Yes | The version returned is 1.1 | +-----------------------------+-------------+-------------------------------+ | ``CPU_SUSPEND`` | Yes\* | | +-----------------------------+-------------+-------------------------------+ @@ -936,6 +936,12 @@ required support. +-----------------------------+-------------+-------------------------------+ | ``PSCI_STAT_COUNT`` | Yes\* | | +-----------------------------+-------------+-------------------------------+ +| ``SYSTEM_RESET2`` | Yes\* | | ++-----------------------------+-------------+-------------------------------+ +| ``MEM_PROTECT`` | Yes\* | | ++-----------------------------+-------------+-------------------------------+ +| ``MEM_PROTECT_CHECK_RANGE`` | Yes\* | | ++-----------------------------+-------------+-------------------------------+ \*Note : These PSCI APIs require platform power management hooks to be registered with the generic PSCI code to be supported. |