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authorPaul Burton <paul.burton@imgtec.com>2017-08-12 19:49:43 -0700
committerRalf Baechle <ralf@linux-mips.org>2017-08-30 00:57:28 +0200
commit1ec9dd80bedc208c00b18069cfd615a4cbfeab17 (patch)
treec91327dc001de2780b7d4dd9c02e82dd5bcba793 /MAINTAINERS
parent3c9b4166213d415afa09bf2be104074f3a1161c8 (diff)
downloadlinux-1ec9dd80bedc208c00b18069cfd615a4cbfeab17.tar.bz2
MIPS: CPS: Detect CPUs in secondary clusters
As a first step towards supporting multi-cluster systems, detect cores & VPs in secondary clusters & record their cluster information in the cpu_data array. The "VP topology" line printed during boot is extended to display multiple clusters. On a single cluster it shows output like the following: VP topology: {4,4} This would indicate a system with 2 cores which each contain 4 VPs. We extend this to cover multiple clusters in a natural way: VP topology: {4,4},{2,2} This would indicate a system with 2 clusters. The first cluster contains 2 cores which each contain 4 VPs. The second cluster contains 2 cores which each contain 2 VPs. Actually booting these cores & VPs is left to further patches once other pieces are in place. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/17017/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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