diff options
Diffstat (limited to 'import/chips/p9/procedures/ppe_closed/pgpe/pstate_gpe/p9_pgpe_pstate.c')
| -rw-r--r-- | import/chips/p9/procedures/ppe_closed/pgpe/pstate_gpe/p9_pgpe_pstate.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/import/chips/p9/procedures/ppe_closed/pgpe/pstate_gpe/p9_pgpe_pstate.c b/import/chips/p9/procedures/ppe_closed/pgpe/pstate_gpe/p9_pgpe_pstate.c index f1c94329..0beff6d9 100644 --- a/import/chips/p9/procedures/ppe_closed/pgpe/pstate_gpe/p9_pgpe_pstate.c +++ b/import/chips/p9/procedures/ppe_closed/pgpe/pstate_gpe/p9_pgpe_pstate.c @@ -1138,18 +1138,13 @@ void p9_pgpe_pstate_stop() PK_TRACE_DBG("PSS: Stop Done"); } -// -// p9_pgpe_pstate_clip_bcast -// -// Wrapper function for sending Pstate Clip Bcast DB0 to CMEs void p9_pgpe_pstate_clip_bcast(uint32_t clip_bcast_type) { PK_TRACE_DBG("CLB: Clip Bcast"); pgpe_db0_clip_bcast_t db0; db0.value = 0; - db0.fields.msg_id = MSGID_DB0_CLIP_BROADCAST; + db0.fields.msg_id = MSGID_DB0_DB3_PAYLOAD; db0.fields.clip_type = clip_bcast_type; - db0_parms_t p; //Note that we store PMIN as psClipMax(which is lower Pstate, but higher numbered Pstate) if (clip_bcast_type == DB0_CLIP_BCAST_TYPE_PMIN) @@ -1171,15 +1166,21 @@ void p9_pgpe_pstate_clip_bcast(uint32_t clip_bcast_type) db0.fields.quad5_clip = G_pgpe_pstate_record.psClipMin[5]; } - p.db0val = db0.value; - p.type = PGPE_DB0_TYPE_UNICAST; - p.targetCores = G_pgpe_pstate_record.activeDB; - p.waitForAcks = PGPE_DB_ACK_WAIT_CME; - p.expectedAckFrom = G_pgpe_pstate_record.activeQuads; - p.expectedAckValue = MSGID_PCB_TYPE4_ACK_PSTATE_PROTO_ACK; - p9_pgpe_send_db0(p); + //Write DB0, but with top-byte = 0. This way DB0 interrupt doesn't happen, but + //we still send CME the necessary data. CME will read this inside the DB3 interrupt + //which we write next + db3_parms_t p = { MSGID_DB3_CLIP_BROADCAST, + db0.value, + PGPE_DB3_WRITE_DB0, + G_pgpe_pstate_record.activeDB, + PGPE_DB_ACK_WAIT_CME, + G_pgpe_pstate_record.activeQuads, + MSGID_PCB_TYPE4_ACK_PSTATE_PROTO_ACK, + PGPE_DB3_SKIP_CHECK_NACKS + }; + p.db3val = (uint64_t)(MSGID_DB3_CLIP_BROADCAST) << 56; + p9_pgpe_send_db3(p); } - // // p9_pgpe_pstate_wof_ctrl // |
