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authorShashi Mallela <shashi.mallela@linaro.org>2023-06-19 19:09:13 +0200
committerPeter Maydell <peter.maydell@linaro.org>2023-06-23 11:29:38 +0100
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parent4315f7c6147431a69a02613fbdf9964d68f87a27 (diff)
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hw/arm/sbsa-ref: add ITS support in SBSA GIC
Create ITS as part of SBSA platform GIC initialization. GIC ITS information is in DeviceTree so TF-A can pass it to EDK2. Bumping platform version to 0.2 as this is important hardware change. Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org> Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org> Message-id: 20230619170913.517373-2-marcin.juszkiewicz@linaro.org Co-authored-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org> Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'docs')
-rw-r--r--docs/system/arm/sbsa.rst14
1 files changed, 14 insertions, 0 deletions
diff --git a/docs/system/arm/sbsa.rst b/docs/system/arm/sbsa.rst
index f571fe6..a8e0b53 100644
--- a/docs/system/arm/sbsa.rst
+++ b/docs/system/arm/sbsa.rst
@@ -46,6 +46,9 @@ to be a complete compliant DT. It currently reports:
- platform version
- GIC addresses
+Platform version
+''''''''''''''''
+
The platform version is only for informing platform firmware about
what kind of ``sbsa-ref`` board it is running on. It is neither
a QEMU versioned machine type nor a reflection of the level of the
@@ -54,3 +57,14 @@ SBSA/SystemReady SR support provided.
The ``machine-version-major`` value is updated when changes breaking
fw compatibility are introduced. The ``machine-version-minor`` value
is updated when features are added that don't break fw compatibility.
+
+Platform version changes:
+
+0.0
+ Devicetree holds information about CPUs, memory and platform version.
+
+0.1
+ GIC information is present in devicetree.
+
+0.2
+ GIC ITS information is present in devicetree.