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platform: xuantie: Add xuantie link cbqri init #14

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Merged
cp0613 merged 1 commit into from
Jun 23, 2026
Merged

platform: xuantie: Add xuantie link cbqri init #14

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1 change: 1 addition & 0 deletions platform/generic/include/xuantie/xuantie_link.h
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@

#define XUANTIE_LINK_PMU_NUM_COUNTERS 6
#define XUANTIE_LINK_PMU_CNT_BITMAP GENMASK_ULL(XUANTIE_LINK_PMU_NUM_COUNTERS - 1, 0)
#define XUANTIE_LINK_PMU_L3AUTHCR_L3CBQ_CCAU BIT_ULL(5)
#define XUANTIE_LINK_PMU_L3AUTHCR_ALLAU BIT_ULL(0)
#define XUANTIE_LINK_PMU_AUTHCR_AUTH BIT_ULL(40)
#define XUANTIE_LINK_PMU_AUTHCR_INTPEND BIT_ULL(32)
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4 changes: 3 additions & 1 deletion platform/generic/xuantie/xuantie_link.c
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Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,9 @@ int xuantie_link_pmu_device_init(void)
XUANTIE_LINK_PMU_CNT_BITMAP,
(void *)addr + XUANTIE_LINK_PMU_HPCPHAUTHCR);
writeq(XUANTIE_LINK_PMU_CNT_BITMAP, (void *)addr + XUANTIE_LINK_PMU_HPCPMAUTHCR);
writeq(XUANTIE_LINK_PMU_L3AUTHCR_ALLAU, (void *)addr + XUANTIE_LINK_PMU_L3MAUTHCR);
writeq(XUANTIE_LINK_PMU_L3AUTHCR_ALLAU |
XUANTIE_LINK_PMU_L3AUTHCR_L3CBQ_CCAU,
(void *)addr + XUANTIE_LINK_PMU_L3MAUTHCR);
writeq(0, (void *)addr + XUANTIE_LINK_PMU_HPCPINHIBIT);
found = true;
}
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