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hw/arm/sbsa-ref: Enable CPU cluster on ARM sbsa machine

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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>
This commit is contained in:
Xiong Yining 2024-06-07 10:38:25 +00:00 • committed by Peter Maydell
parent 53aaa88105
commit 3b36cead6e
2 changed files with 14 additions and 1 deletions
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4
docs/system/arm/sbsa.rst
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@ -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.