diff options
Diffstat (limited to 'src/soc/intel/apollolake/chip.h')
| -rw-r--r-- | src/soc/intel/apollolake/chip.h | 8 |
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; |