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| author | Soby Mathew <soby.mathew@arm.com> | 2016-11-14 12:25:45 +0000 |
|---|---|---|
| committer | Soby Mathew <soby.mathew@arm.com> | 2017-06-05 13:32:17 +0100 |
| commit | c04a3b6c180556ee22c958b74b8c07758b870685 (patch) | |
| tree | 05dbe2a7497daffc8ed9818ec02d262ec444f70f /docs | |
| parent | 2bd26faf62411c75111fea4b23c542865383b068 (diff) | |
CSS: Add SCMI driver for SCP
This patch adds the SCMI driver for communicating with SCP. The power
domain management and system power management protocol of the SCMI
specification[1] is implemented in the driver. The SCP power management
abstraction layer for SCMI for CSS power management is also added.
A new buid option `CSS_USE_SCMI_DRIVER` is introduced to select SCMI
driver over SCPI.
[1] ARM System Control and Management Interface v1.0 (SCMI)
Document number: ARM DEN 0056A
Change-Id: I67265615a17e679a2afe810b9b0043711ba09dbb
Signed-off-by: Soby Mathew <soby.mathew@arm.com>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/user-guide.md | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/user-guide.md b/docs/user-guide.md index 5165000d..c37895be 100644 --- a/docs/user-guide.md +++ b/docs/user-guide.md @@ -625,6 +625,10 @@ map is explained in the [Firmware Design]. SCP_BL2U to the FIP and FWU_FIP respectively, and enables them to be loaded during boot. Default is 1. +* `CSS_USE_SCMI_DRIVER`: Boolean flag which selects SCMI driver instead of + SCPI driver for communicating with the SCP during power management operations. + If this option is set to 1, then SCMI driver will be used. Default is 0. + #### ARM FVP platform specific build options * `FVP_CLUSTER_COUNT` : Configures the cluster count to be used to |