diff options
| author | Paul Burton <paulburton@kernel.org> | 2025-01-29 13:32:50 +0100 |
|---|---|---|
| committer | Thomas Bogendoerfer <tsbogend@alpha.franken.de> | 2025-02-21 10:19:37 +0100 |
| commit | 0856c143e1cd3ffd6ce10a72671335ca6a2cb841 (patch) | |
| tree | 17ef21376efd2f05a6f72cdb5875038093f99171 /arch/mips/kernel/mips-cm.c | |
| parent | 75fa6a583882e8e09fa567eb3a3d8e115fa5c59f (diff) | |
MIPS: CPS: Boot CPUs in secondary clusters
Probe for & boot CPUs (cores & VPs) in secondary clusters (ie. not the
cluster that began booting Linux) when they are present in systems with
CM 3.5 or higher.
Signed-off-by: Paul Burton <paulburton@kernel.org>
Signed-off-by: Chao-ying Fu <cfu@wavecomp.com>
Signed-off-by: Dragan Mladjenovic <dragan.mladjenovic@syrmia.com>
Signed-off-by: Aleksandar Rikalo <arikalo@gmail.com>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Tested-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/kernel/mips-cm.c')
| -rw-r--r-- | arch/mips/kernel/mips-cm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c index 3eb2cfb893e1..9854bc2b6895 100644 --- a/arch/mips/kernel/mips-cm.c +++ b/arch/mips/kernel/mips-cm.c @@ -308,7 +308,9 @@ void mips_cm_lock_other(unsigned int cluster, unsigned int core, FIELD_PREP(CM3_GCR_Cx_OTHER_VP, vp); if (cm_rev >= CM_REV_CM3_5) { - val |= CM_GCR_Cx_OTHER_CLUSTER_EN; + if (cluster != cpu_cluster(¤t_cpu_data)) + val |= CM_GCR_Cx_OTHER_CLUSTER_EN; + val |= CM_GCR_Cx_OTHER_GIC_EN; val |= FIELD_PREP(CM_GCR_Cx_OTHER_CLUSTER, cluster); val |= FIELD_PREP(CM_GCR_Cx_OTHER_BLOCK, block); } else { |