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Diffstat (limited to 'src/soc/intel/apollolake/chip.h')
-rw-r--r--src/soc/intel/apollolake/chip.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/chip.h b/src/soc/intel/apollolake/chip.h
index c7974a6cd5..ac36b702ab 100644
--- a/src/soc/intel/apollolake/chip.h
+++ b/src/soc/intel/apollolake/chip.h
@@ -184,6 +184,14 @@ struct soc_intel_apollolake_config {
* the Upd parameter VtdEnable.
*/
uint8_t enable_vtd;
+
+ /* Options to disable the LFPS periodic sampling for USB3 Ports.
+ * Default value of PMCTRL_REG bits[7:4] is 9 which means periodic sampling
+ * interval is 9ms.
+ * Set 1 to update XHCI host MMIO BAR + PMCTRL_REG (0x80A4 bits[7:4]) to 0
+ * 0:Enable (default), 1:Disable.
+ */
+ uint8_t disable_xhci_lfps_pm;
};
typedef struct soc_intel_apollolake_config config_t;