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-rw-r--r--src/import/chips/p9/procedures/hwp/lib/p9_hcd_memmap_base.H17
1 files changed, 16 insertions, 1 deletions
diff --git a/src/import/chips/p9/procedures/hwp/lib/p9_hcd_memmap_base.H b/src/import/chips/p9/procedures/hwp/lib/p9_hcd_memmap_base.H
index 4f5ab5dee..23d9e691b 100644
--- a/src/import/chips/p9/procedures/hwp/lib/p9_hcd_memmap_base.H
+++ b/src/import/chips/p9/procedures/hwp/lib/p9_hcd_memmap_base.H
@@ -267,7 +267,22 @@ HCD_CONST(QUAD_SCOM_RESTORE_HOMER_OFFSET,
HCD_CONST(MAX_L2_SCOM_ENTRIES, 16)
HCD_CONST(MAX_L3_SCOM_ENTRIES, 16)
-HCD_CONST(MAX_EQ_SCOM_ENTRIES, 15)
+
+//HW423686
+//Inorder to continue IMA after STOP11 on all four cores of a quad, 2
+//EQ SCOM registers need to restored per core. STOP API desgin allowed
+//only 15 SCOM restore entries per EQ. Out of total budget, 12 are
+//consumed during IPL. Hence it was not possible to manage IMA within
+//this limit. As a resolution, limit for EQ SCOM restore entries has
+//been changed to 31. Below is the break down for EQ SCOM Restore
+//Entries
+
+// Power Management 12
+// Core IMA 08
+// PRD FIR Mask 05
+// Reserve 06
+
+HCD_CONST(MAX_EQ_SCOM_ENTRIES, 31)
HCD_CONST(QUAD_SCOM_RESTORE_REGS_PER_QUAD,
(MAX_EQ_SCOM_ENTRIES + MAX_L2_SCOM_ENTRIES + MAX_L3_SCOM_ENTRIES + 1))
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