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| author | Yue Du <daviddu@us.ibm.com> | 2017-09-29 16:53:09 -0500 |
|---|---|---|
| committer | hostboot <hostboot@us.ibm.com> | 2018-08-22 17:55:25 -0500 |
| commit | 8de4444d0bf012a3b40ed5fb2e462d823ad9a4c1 (patch) | |
| tree | ef808f1e3e6b1fed4a4b03d9cc13d745ac9625ce /import/chips/p9/procedures/ppe_closed/cme | |
| parent | 42f7f07224835f7e1fe9ef14e916861a9886045e (diff) | |
| download | talos-hcode-8de4444d0bf012a3b40ed5fb2e462d823ad9a4c1.tar.gz talos-hcode-8de4444d0bf012a3b40ed5fb2e462d823ad9a4c1.zip | |
STOP: Fix VDM being powered down through Stop2
Change-Id: Iac038b09c4994248de3bb639f95e282a37dea315
Original-Change-Id: Ifd0606723105e335fdf078d6d188d434c0e89bd8
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/46959
Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com>
Reviewed-by: Michael S. Floyd <mfloyd@us.ibm.com>
Reviewed-by: Juan R. Medina <jrmedina@us.ibm.com>
Reviewed-by: Brian T. Vanderpool <vanderp@us.ibm.com>
Tested-by: FSP CI Jenkins <fsp-CI-jenkins+hostboot@us.ibm.com>
Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
Diffstat (limited to 'import/chips/p9/procedures/ppe_closed/cme')
| -rwxr-xr-x | import/chips/p9/procedures/ppe_closed/cme/stop_cme/p9_cme_stop_entry.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/import/chips/p9/procedures/ppe_closed/cme/stop_cme/p9_cme_stop_entry.c b/import/chips/p9/procedures/ppe_closed/cme/stop_cme/p9_cme_stop_entry.c index ac566ef7..34fea097 100755 --- a/import/chips/p9/procedures/ppe_closed/cme/stop_cme/p9_cme_stop_entry.c +++ b/import/chips/p9/procedures/ppe_closed/cme/stop_cme/p9_cme_stop_entry.c @@ -1124,6 +1124,12 @@ p9_cme_stop_entry() } else { + if(in32(CME_LCL_FLAGS) & BIT32(CME_FLAGS_VDM_OPERABLE)) + { + PK_TRACE_INF("Clear Poweron bit in VDMCR"); + CME_PUTSCOM(PPM_VDMCR_CLR, core, BIT64(0)); + } + PK_TRACE("Drop vdd_pfet_val/sel_override/regulation_finger_en via PFCS[4,5,8]"); // vdd_pfet_val/sel_override = 0 (disbaled) // vdd_pfet_regulation_finger_en = 0 (controled by FSM) |
