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authorXiong Yining <xiongyining1480@phytium.com.cn>2024-06-07 10:38:25 +0000
committerPeter Maydell <peter.maydell@linaro.org>2024-06-21 16:24:46 +0100
commit3b36cead6ecc0e40edb8b2f3e253baa01ebc1e9a (patch)
tree55084e5b61115f588bfefb677bcee36e08cb3362 /docs/system
parent53aaa88105e2f9cbef3a4d17df007dbdf985d6e2 (diff)
downloadfocaccia-qemu-3b36cead6ecc0e40edb8b2f3e253baa01ebc1e9a.tar.gz
focaccia-qemu-3b36cead6ecc0e40edb8b2f3e253baa01ebc1e9a.zip
hw/arm/sbsa-ref: Enable CPU cluster on ARM sbsa machine
Enable CPU cluster support on SbsaQemu platform, so that users can
specify a 4-level CPU hierarchy sockets/clusters/cores/threads. And
this topology can be passed to the firmware through /cpus/topology
Device Tree.

Signed-off-by: Xiong Yining <xiongyining1480@phytium.com.cn>
Reviewed-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Reviewed-by: Leif Lindholm <quic_llindhol@quicinc.com>
Message-id: 20240607103825.1295328-2-xiongyining1480@phytium.com.cn
Tested-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'docs/system')
-rw-r--r--docs/system/arm/sbsa.rst4
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/system/arm/sbsa.rst b/docs/system/arm/sbsa.rst
index 2bf22a1d0b..2bf3fc8d59 100644
--- a/docs/system/arm/sbsa.rst
+++ b/docs/system/arm/sbsa.rst
@@ -62,6 +62,7 @@ The devicetree reports:
    - platform version
    - GIC addresses
    - NUMA node id for CPUs and memory
+   - CPU topology information
 
 Platform version
 ''''''''''''''''
@@ -88,3 +89,6 @@ Platform version changes:
 
 0.3
   The USB controller is an XHCI device, not EHCI.
+
+0.4
+  CPU topology information is present in devicetree.