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authorBrian Vanderpool <vanderp@us.ibm.com>2017-07-18 12:52:38 -0500
committerhostboot <hostboot@us.ibm.com>2018-08-22 17:55:08 -0500
commit0999eb2d7378fbc6f7631bbd4d61c0a465386a5c (patch)
tree97f7a79a6c02462f3a05e95bce07f1e779ee2d88
parent165be7914dd4df0920d99a816da4e11d56d14860 (diff)
downloadtalos-hcode-0999eb2d7378fbc6f7631bbd4d61c0a465386a5c.tar.gz
talos-hcode-0999eb2d7378fbc6f7631bbd4d61c0a465386a5c.zip
STOP: Give SGPE control over VDM, DPLL before turning off Jump protect and VDMs
Change-Id: Ibb1203dfb86177a2e6b1e64dfced0e4b3c3329e0 Original-Change-Id: Ic86154598c8465f1cd6e82a619e327e25786a30c CQ: SW396192 Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/43282 Reviewed-by: CHRISTOPHER M. RIEDL <cmriedl@us.ibm.com> Tested-by: Jenkins Server <pfd-jenkins+hostboot@us.ibm.com> Reviewed-by: BRIAN D. VICTOR <brian.d.victor1@ibm.com> Reviewed-by: Michael S. Floyd <mfloyd@us.ibm.com> Reviewed-by: Jennifer A. Stofer <stofer@us.ibm.com>
-rw-r--r--import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_sgpe_stop_entry.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_sgpe_stop_entry.c b/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_sgpe_stop_entry.c
index 9970843a..d231425f 100644
--- a/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_sgpe_stop_entry.c
+++ b/import/chips/p9/procedures/ppe_closed/sgpe/stop_gpe/p9_sgpe_stop_entry.c
@@ -974,6 +974,10 @@ p9_sgpe_stop_entry()
PK_TRACE("Checking status of Local Checkstop");
GPE_GETSCOM(GPE_SCOM_ADDR_QUAD(EQ_LOCAL_XSTOP_ERR, qloop), local_xstop);
+ PK_TRACE("Drop CME_INTERPPM_IVRM/ACLK/VDATA/DPLL_ENABLE QPMMR[20,22,24,26]");
+ GPE_PUTSCOM(GPE_SCOM_ADDR_QUAD(QPPM_QPMMR_CLR, qloop), BIT64(20) | BIT64(22) | BIT64(24) | BIT64(26));
+
+
if(pSgpeImgHdr->g_sgpe_reserve_flags & SGPE_VDM_ENABLE_BIT_POS)
{
PK_TRACE("Clear Jump Protect Enable (no need to poll DPLL_STAT");
@@ -1028,8 +1032,6 @@ p9_sgpe_stop_entry()
// Note: Stop11 will lose all the fences so here needs to assert them
GPE_PUTSCOM(GPE_SCOM_ADDR_QUAD(EQ_CPLT_CTRL1_OR, qloop), CLK_REGION_ALL);
- PK_TRACE("Drop CME_INTERPPM_DPLL_ENABLE after DPLL is stopped via QPMMR[26]");
- GPE_PUTSCOM(GPE_SCOM_ADDR_QUAD(QPPM_QPMMR_CLR, qloop), BIT64(20) | BIT64(22) | BIT64(24) | BIT64(26));
PK_TRACE_INF("SE.11D: Cache Clock Stopped");
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