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Diffstat (limited to 'src/soc/intel/tigerlake/chip.h')
-rw-r--r--src/soc/intel/tigerlake/chip.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h
index dc910ff4c0..2da63ed21d 100644
--- a/src/soc/intel/tigerlake/chip.h
+++ b/src/soc/intel/tigerlake/chip.h
@@ -56,6 +56,20 @@ enum fivr_voltage_supported {
#define FIVR_ENABLE_ALL_SX (FIVR_ENABLE_S0i1_S0i2 | FIVR_ENABLE_S0i3 | \
FIVR_ENABLE_S3 | FIVR_ENABLE_S4 | FIVR_ENABLE_S5)
+/* Bit values for use in LpmStateEnableMask. */
+enum lpm_state_mask {
+ LPM_S0i2_0 = BIT(0),
+ LPM_S0i2_1 = BIT(1),
+ LPM_S0i2_2 = BIT(2),
+ LPM_S0i3_0 = BIT(3),
+ LPM_S0i3_1 = BIT(4),
+ LPM_S0i3_2 = BIT(5),
+ LPM_S0i3_3 = BIT(6),
+ LPM_S0i3_4 = BIT(7),
+ LPM_S0iX_ALL = LPM_S0i2_0 | LPM_S0i2_1 | LPM_S0i2_2
+ | LPM_S0i3_0 | LPM_S0i3_1 | LPM_S0i3_2 | LPM_S0i3_3 | LPM_S0i3_4,
+};
+
struct soc_intel_tigerlake_config {
/* Common struct containing soc config data required by common code */
@@ -78,6 +92,9 @@ struct soc_intel_tigerlake_config {
/* Enable S0iX support */
int s0ix_enable;
+ /* S0iX: Selectively disable individual sub-states, by default all are enabled. */
+ enum lpm_state_mask LpmStateDisableMask;
+
/* Support for TCSS xhci, xdci, TBT PCIe root ports and DMA controllers */
uint8_t TcssD3HotDisable;
/* Support for TBT PCIe root ports and DMA controllers with D3Hot->D3Cold */